/* 과목별 내 노트 — Figma layer implementation (2026-08-03)
   Editable frames: social desktop 1:379 (1536×1024) / social mobile 1:578 (852×1846)
                    science desktop 1:717 (1536×1024) / science mobile 1:979 (853×1844)
   Desktop values are literal px from the frames. Mobile values derive from --u so the
   layout is exact at the 852/853px target canvas and stays fluid down to phone widths. */

:root{
  --u:1px;
  --inset:43px;
  --accent:#0698ad;--accent-2:#00a9b9;--accent-deep:#057f92;
  --accent-soft:#e7f7fa;--accent-line:#bfe6ec;--accent-ink:#0b7f92;
  /* Both social frames (1:461 / 1:629) tint in-card content — insight panel, tag chips,
     type chip — with blue, and keep the teal brand accent for the CTA/tab/FAB only.
     Science (1:837 / 1:1045) uses the same blue insight panel with violet chips. */
  --note-tint:#f4f8fd;--note-line:#e1eafa;--note-ink:#4a80dd;
  --chip-bg:#eef4fd;--chip-line:#dee9fb;--chip-ink:#5a7fc4;
  --blue:#2f65e8;--navy:#0f2038;--ink:#33415a;--muted:#7d8899;--line:#e3e9f1;--line-2:#dbe3ee;
  --bg:#f5f8fc;--panel:#f6f8fc;--card:#fff;
  --green:#12a05f;--green-soft:#eefaf3;--green-line:#bfe7d2;
  --amber:#ef9d20;--amber-soft:#fff4e3;--violet:#7a5cf0;--violet-soft:#f1edfe;--red:#e24d52;
  --shadow:0 10px 30px rgba(36,54,91,.06);--shadow-sm:0 4px 14px rgba(36,54,91,.05);
  --metric-h:104px;--head-h:80px;
}
body[data-family="science"]{
  --inset:38px;
  --accent:#2f65e8;--accent-2:#4f7ef2;--accent-deep:#1f4fc7;
  --accent-soft:#edf3ff;--accent-line:#cfdefb;--accent-ink:#2454cd;
  --chip-bg:#efecfd;--chip-line:#e4defb;--chip-ink:#7a63cf;
  --metric-h:80px;--head-h:72px;
}
body[data-family="korean"]{
  --accent:#8b4fc7;--accent-2:#a96cdb;--accent-deep:#7132ad;
  --accent-soft:#f4ecfb;--accent-line:#dfc9f1;--accent-ink:#7132ad;
  --note-tint:#faf6fd;--note-line:#eadcf4;--note-ink:#7f4ab4;
  --chip-bg:#f5eefb;--chip-line:#e9daf5;--chip-ink:#7d52a7;
}
body[data-family="math"]{
  --accent:#2563eb;--accent-2:#4f7df5;--accent-deep:#1749c7;
  --accent-soft:#edf3ff;--accent-line:#cadbff;--accent-ink:#1e50c9;
  --note-tint:#f3f7ff;--note-line:#dce7fc;--note-ink:#3469d4;
  --chip-bg:#edf3ff;--chip-line:#dce7fc;--chip-ink:#436cc3;
}

*{box-sizing:border-box}
html{font-size:16px}
body{
  margin:0;min-width:320px;background:#f7f9fc;color:var(--ink);
  font-family:Pretendard,"Apple SD Gothic Neo","Noto Sans KR",system-ui,-apple-system,sans-serif;
  -webkit-font-smoothing:antialiased;
}
button,input,select,textarea{font:inherit}
button{color:inherit}
a{color:inherit;text-decoration:none}
[hidden]{display:none!important}
svg{display:block}
.ui-icon{width:20px;height:20px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* ── Top bar ─────────────────────────────────────────────────────────────── */
.topbar{
  position:sticky;top:0;z-index:30;height:var(--head-h);display:flex;align-items:center;gap:16px;
  padding:0 var(--inset);background:#fff;border-bottom:1px solid var(--line);
}
.brand{display:flex;align-items:center;gap:14px;color:var(--navy)}
.brand-mark{
  width:40px;height:40px;flex:none;display:grid;place-items:center;border-radius:12px;
  background:linear-gradient(150deg,#3fc0cf,#0a91a8 62%,#067c92);color:#fff;
  font-size:23px;font-weight:900;font-style:italic;letter-spacing:-.05em;
  box-shadow:0 6px 14px rgba(9,133,155,.22);
}
body[data-family="science"] .brand-mark{background:linear-gradient(150deg,#5f8bfb,#2f65e8 60%,#1f4fc7);box-shadow:0 6px 14px rgba(47,101,232,.22)}
body[data-family="korean"] .brand-mark{background:linear-gradient(150deg,#c18aea,#8b4fc7 60%,#7132ad);box-shadow:0 6px 14px rgba(113,50,173,.22)}
body[data-family="math"] .brand-mark{background:linear-gradient(150deg,#6f9afb,#2563eb 60%,#1749c7);box-shadow:0 6px 14px rgba(37,99,235,.22)}
.brand b{font-size:20px;font-weight:900;letter-spacing:-.02em;white-space:nowrap}
.subject-picker{position:relative;display:flex;align-items:center;margin-left:auto}
body[data-family="science"] .subject-picker{position:relative;left:auto;transform:none;margin-left:auto}
.picker-icon{position:absolute;left:16px;width:19px;height:19px;color:var(--accent);pointer-events:none}
body[data-family="science"] .picker-icon{display:none}
.subject-picker select{
  -webkit-appearance:none;appearance:none;height:46px;min-width:158px;
  padding:0 40px 0 45px;border:1px solid var(--line-2);border-radius:12px;background:#fff;
  color:var(--navy);font-size:15px;font-weight:800;
}
body[data-family="science"] .subject-picker select{min-width:200px;padding-left:18px;height:44px;font-size:14px}
.caret{position:absolute;right:17px;width:9px;height:9px;border-right:2px solid #8d99ad;border-bottom:2px solid #8d99ad;transform:rotate(45deg) translate(-2px,-2px);pointer-events:none}
.top-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
body[data-family="social"] .top-actions{margin-left:12px}
body[data-family="science"] .top-actions,body[data-family="korean"] .top-actions,body[data-family="math"] .top-actions{margin-left:12px}
.top-nav-action{
  height:42px;display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:0 12px;
  border:1px solid var(--line-2);border-radius:11px;background:#fff;color:#31547e;font-size:13px;font-weight:900;cursor:pointer;white-space:nowrap;
}
.top-nav-action:hover{border-color:var(--accent-line);background:var(--accent-soft);color:var(--accent)}
.top-nav-action b{font:inherit}.top-nav-action>span{font-size:17px;line-height:1}
.top-nav-action svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.bug-action{color:#c53d35;border-color:#f0d2cf}.bug-action:hover{color:#b52c24;border-color:#e9aaa5;background:#fff6f5}
#bugBtn{display:none!important}
.icon-button{
  width:44px;height:44px;display:grid;place-items:center;border:1px solid var(--line-2);
  border-radius:12px;background:#fff;color:#5c6a80;cursor:pointer;font-size:19px;
}
.icon-button:hover{border-color:var(--accent-line);color:var(--accent)}
.icon-button .ui-icon{width:21px;height:21px}
.top-user{display:flex;align-items:center;gap:9px;padding:0;border:0;background:transparent;color:var(--navy);font-size:14px;font-weight:800;cursor:pointer}
.top-user:hover{color:var(--accent)}
body[data-family="science"] .top-user{padding:5px 14px 5px 5px;border:1px solid var(--line-2);border-radius:999px}
.top-avatar{width:38px;height:38px;display:grid;place-items:center;border-radius:50%;background:#eaf1fb;font-size:21px}
body[data-family="social"] .top-user b{display:none}

/* ── Page shell ──────────────────────────────────────────────────────────── */
.page{max-width:1536px;margin:0 auto;padding:21px var(--inset) 80px}
body[data-family="science"] .page{padding-top:23px}

/* ── Hero ────────────────────────────────────────────────────────────────── */
.hero{
  position:relative;min-height:198px;padding:24px 24px 22px;
  /* Frame 1:539 is a plain white card on a neutral hairline — the teal wash/border the
     first pass used is not in the frame. */
  border:1px solid var(--line);border-radius:16px;
  background:#fff;
  box-shadow:0 8px 26px rgba(37,70,115,.045);overflow:hidden;
}
body[data-family="science"] .hero{
  min-height:0;padding:0;border:0;border-radius:0;background:none;box-shadow:none;overflow:visible;
}
.hero-copy{position:relative;z-index:2;max-width:900px}
.eyebrow{display:block;color:var(--accent-ink);font-size:15px;font-weight:900;letter-spacing:.1em}
body[data-family="science"] .eyebrow{color:#2f65e8;font-size:13px}
/* Frame 1:563 sets the social title at 39px, frame 1:962 the science title at 46px. */
.hero h1{margin:12px 0 0;color:var(--navy);font-size:39px;font-weight:900;line-height:1.14;letter-spacing:-.045em}
body[data-family="science"] .hero h1{font-size:46px}
.hero p{margin:13px 0 0;color:#6a7688;font-size:15px;line-height:1.62;max-width:760px;word-break:keep-all}
.hero-points{display:flex;align-items:center;gap:0;margin:22px 0 0;padding:0;list-style:none}
body[data-family="science"] .hero-points{display:none}
.hero-points li{display:flex;align-items:center;gap:9px;padding:0 22px;color:#5d6a7f;font-size:13px;font-weight:600;white-space:nowrap;border-left:1px solid #dbe6ee}
.hero-points li:first-child{padding-left:0;border-left:0}
.hero-points .ui-icon{width:19px;height:19px;color:var(--accent)}
.hero-art{position:absolute;right:96px;top:26px;width:330px;height:150px;object-fit:contain;opacity:.5;pointer-events:none}
body[data-family="science"] .hero-art{display:none}
.auto-status{
  position:absolute;right:24px;top:30px;z-index:2;display:inline-flex;align-items:center;gap:8px;
  height:41px;padding:0 18px;border:1px solid var(--green-line);border-radius:999px;background:var(--green-soft);
  color:#12915a;font-size:13px;font-weight:700;white-space:nowrap;
}
body[data-family="science"] .auto-status{top:25px;right:20px}
.auto-status i{width:8px;height:8px;border-radius:50%;background:#1cb26c}
.auto-status b{color:#0f8b56;font-weight:800}

/* ── Metric row ──────────────────────────────────────────────────────────── */
.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin:17px 0 14px}
body[data-family="science"] .metrics{margin:14px 0 14px}
.metric{
  display:flex;align-items:center;gap:18px;min-height:var(--metric-h);padding:0 22px;
  border:1px solid var(--line);border-radius:16px;background:#fff;text-align:left;cursor:pointer;
  box-shadow:0 3px 12px rgba(35,55,90,.035);transition:border-color .16s,box-shadow .16s;
}
.metric:hover,.metric.active{border-color:var(--accent-line);box-shadow:0 8px 22px rgba(40,77,132,.075)}
.metric-icon{width:58px;height:58px;flex:none;display:grid;place-items:center;border-radius:16px;background:#eef2f8;color:#5f6d85}
body[data-family="science"] .metric-icon{width:44px;height:44px;border-radius:12px}
.metric-icon .ui-icon{width:25px;height:25px}
body[data-family="science"] .metric-icon .ui-icon{width:22px;height:22px}
.metric:nth-child(1) .metric-icon{background:#eaf1ff;color:#3a6fe0}
.metric-icon.blue{background:var(--accent-soft);color:var(--accent)}
body[data-family="science"] .metric-icon.blue{background:var(--violet-soft);color:var(--violet)}
.metric-icon.amber{background:var(--amber-soft);color:var(--amber)}
.metric-icon.green{background:#e8f8ef;color:var(--green)}
.metric small{display:block;color:#5f6b80;font-size:14px;font-weight:600}
body[data-family="science"] .metric small{font-size:13px}
.metric b{display:block;margin-top:6px;color:var(--navy);font-size:26px;font-weight:900;line-height:1}
body[data-family="science"] .metric b{font-size:24px;margin-top:5px}
.metric em{font-style:normal;font-size:14px;font-weight:700;color:#8d97a8;margin-left:4px}

/* ── Workspace ───────────────────────────────────────────────────────────── */
.workspace{border:1px solid var(--line);border-radius:20px;background:#fff;box-shadow:var(--shadow);overflow:hidden}
.workspace-head{display:flex;align-items:center;gap:18px;height:74px;padding:0 23px;border-bottom:1px solid var(--line)}
body[data-family="science"] .workspace-head{height:58px;padding:0 20px}
.tabs{display:flex;align-self:stretch;overflow:auto;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tab{
  position:relative;border:0;background:transparent;padding:0 23px;color:#8b96a8;
  font-size:14px;font-weight:700;white-space:nowrap;cursor:pointer;
}
.tab:hover{color:var(--ink)}
.tab.active{color:var(--accent);font-weight:800}
.tab.active:after{content:"";position:absolute;left:23px;right:23px;bottom:0;height:3px;border-radius:3px 3px 0 0;background:var(--accent)}
.primary,.ghost{border-radius:10px;padding:11px 16px;font-size:13px;font-weight:800;cursor:pointer}
.primary{border:0;background:linear-gradient(100deg,var(--accent-deep),var(--accent-2));color:#fff;box-shadow:0 6px 14px rgba(6,152,173,.24)}
body[data-family="science"] .primary{box-shadow:0 6px 14px rgba(47,101,232,.24)}
body[data-family="korean"] .primary{box-shadow:0 6px 14px rgba(113,50,173,.22)}
body[data-family="math"] .primary{box-shadow:0 6px 14px rgba(37,99,235,.22)}
.primary:hover{filter:brightness(1.06)}
.ghost{border:1px solid var(--line-2);background:#fff;color:#3f4c62}
.ghost:hover{border-color:var(--accent-line);color:var(--accent)}
.full{width:100%}
.head-cta{display:inline-flex;align-items:center;gap:9px;height:41px;margin-left:auto;padding:0 20px;white-space:nowrap}
.play{width:0;height:0;border-left:9px solid currentColor;border-top:6px solid transparent;border-bottom:6px solid transparent}
.workspace-body{padding:14px 23px 26px}
body[data-family="science"] .workspace-body{padding:15px 28px 26px}

.tools{display:grid;grid-template-columns:minmax(240px,730px) 160px 160px;gap:16px;margin-bottom:18px}
body[data-family="science"] .tools{grid-template-columns:minmax(240px,694px) 145px 130px;margin-bottom:14px}
.search{position:relative;display:block}
.search .ui-icon{position:absolute;left:17px;top:50%;width:19px;height:19px;margin-top:-9.5px;color:#8b96aa;pointer-events:none}
.search input{
  width:100%;height:44px;border:1px solid var(--line-2);border-radius:11px;background:#fff;
  padding:0 16px 0 46px;color:var(--ink);font-size:14px;outline:0;
}
body[data-family="science"] .search input{height:42px}
.search input::placeholder{color:#9aa4b6}
.select-wrap{position:relative;display:block}
.select-icon{display:none}
.select-wrap select{
  -webkit-appearance:none;appearance:none;width:100%;height:44px;border:1px solid var(--line-2);
  border-radius:11px;background:#fff;padding:0 34px 0 15px;color:var(--navy);font-size:13px;font-weight:700;outline:0;
}
body[data-family="science"] .select-wrap select{height:42px}
.select-wrap .caret{right:15px;top:50%;margin-top:-6px;transform:rotate(45deg)}
.search input:focus,.select-wrap select:focus,.subject-picker select:focus{border-color:var(--accent-line);box-shadow:0 0 0 3px var(--accent-soft)}

.content-grid{display:grid;grid-template-columns:minmax(0,1fr) 337px;gap:24px;align-items:start}
body[data-family="science"] .content-grid{grid-template-columns:minmax(0,1fr) 360px;gap:25px}
.list-col{min-width:0}
/* The desktop frames start the note list straight after the tool row, so the result/load
   counter is kept for assistive tech only and re-appears as a visible row on mobile. */
.list-head{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.list-head span:first-child{color:var(--navy);font-size:15px;font-weight:800}
.note-list{display:flex;flex-direction:column;gap:18px}

/* ── Note card ───────────────────────────────────────────────────────────── */
.note-card{
  position:relative;border:1px solid var(--line);border-radius:14px;background:#fff;padding:18px;
  cursor:pointer;transition:border-color .16s,box-shadow .16s;box-shadow:0 2px 8px rgba(35,55,90,.03);
}
.note-card:hover{border-color:var(--accent-line);box-shadow:0 8px 22px rgba(35,55,90,.07)}
.note-head{display:flex;align-items:flex-start;gap:14px}
.note-icon{
  flex:0 0 auto;align-self:flex-start;height:26px;display:inline-flex;align-items:center;padding:0 11px;
  border-radius:7px;background:var(--violet-soft);color:#6b4ee0;font-size:12px;font-weight:800;white-space:nowrap;
}
/* Social frames chip the analysis card in blue (1:452 / 1:626); science keeps violet. */
body[data-family="social"] .note-icon{background:#e9f0fc;color:#5b86dd}
.note-card[data-type="question"] .note-icon{background:var(--amber-soft);color:#c9781a}
.note-card[data-type="problem"] .note-icon{background:#e8f8ef;color:#0f8b56}
.note-card[data-wrong="1"] .note-icon{background:#ffeeee;color:#d24248}
.note-title-wrap{min-width:0;flex:1}
.note-kicker{color:#3f6fd8;font-size:12px;font-weight:900;letter-spacing:.06em}
body[data-family="science"] .note-kicker{display:none}
.note-title{margin-top:5px;color:var(--navy);font-size:17px;font-weight:800;line-height:1.45;word-break:keep-all}
.note-meta{display:flex;flex-wrap:wrap;align-items:center;gap:0;margin-top:9px;color:#8a94a6;font-size:12.5px}
.note-meta span{padding:0 14px;border-left:1px solid #e3e8f0}
.note-meta span:first-child{padding-left:0;border-left:0}
.note-meta span b{color:#5d6a80;font-weight:700}
.source{flex:0 0 auto;color:#96a0b1;font-size:12px;white-space:nowrap}
.note-summary{
  display:flex;align-items:flex-start;gap:14px;
  margin:15px 0 0;padding:15px 18px;border:1px solid var(--note-line);border-radius:10px;
  background:var(--note-tint);color:#4a5972;font-size:13.5px;line-height:1.72;
}
.insight-ico{width:34px;height:34px;flex:none;display:grid;place-items:center;border-radius:50%;background:#fff;color:var(--note-ink);box-shadow:0 2px 7px rgba(40,70,130,.12)}
.insight-ico .ui-icon{width:18px;height:18px}
.insight-copy{flex:1;min-width:0}
.note-summary b{display:block;margin-bottom:5px;color:var(--note-ink);font-size:13px;font-weight:800}
.note-foot{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:14px}
.note-tags{display:flex;gap:8px;flex-wrap:wrap;margin:0}
.note-tags span{
  border:1px solid var(--chip-line);border-radius:8px;padding:6px 11px;
  background:var(--chip-bg);color:var(--chip-ink);font-size:12px;font-weight:600;
}
.note-actions{display:flex;flex:none;gap:10px}
.note-actions button{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:34px;padding:0 15px;border-radius:9px;font-size:12.5px}
.empty{padding:80px 20px;text-align:center;color:var(--muted)}
.empty b{display:block;color:var(--navy);margin-bottom:8px;font-size:15px}
.error{border:1px solid #ffd5d5;background:#fff7f7;color:#a64444;border-radius:12px;padding:14px;font-size:13px}
.skeleton{height:170px;border-radius:14px;background:linear-gradient(100deg,#f1f3f7 30%,#f8f9fb 42%,#f1f3f7 55%);background-size:250% 100%;animation:shine 1.4s infinite}
@keyframes shine{to{background-position:-180% 0}}

/* ── Analysis visuals ────────────────────────────────────────────────────── */
.analysis-visual{margin:15px 0 0;cursor:default}
.visual-grid{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(150px,.55fr) minmax(210px,.78fr);gap:14px;align-items:stretch}
.science-graph{min-height:214px;padding:10px;border:1px solid #e2e8f2;border-radius:12px;background:#fff}
.science-graph svg{width:100%;height:200px}
.data-panel{display:contents}
.data-table{
  width:100%;height:fit-content;border-collapse:separate;border-spacing:0;overflow:hidden;
  border:1px solid #e2e8f2;border-radius:11px;background:#fff;color:#4f5d75;font-size:12.5px;
}
.data-table th,.data-table td{padding:7px 9px;text-align:center;border-right:1px solid #eef1f6;border-bottom:1px solid #eef1f6}
.data-table tr:last-child td{border-bottom:0}
.data-table th:last-child,.data-table td:last-child{border-right:0}
.data-table th{color:var(--navy);background:#f6f8fc;font-weight:700}
.formula-panel{
  padding:15px 16px;border:1px solid #d9e3fb;border-radius:11px;background:#f2f6ff;
  color:#41527a;font-size:12.5px;line-height:1.8;
}
.formula-panel b{display:block;margin-bottom:7px;color:#2f4fc0;font-size:14px;font-weight:800}
.formula-panel strong{display:inline-block;margin-top:6px;padding:4px 10px;border:1px solid #b9cdfa;border-radius:7px;background:#fff;color:#2f65e8}
.social-timeline{position:relative;display:grid;grid-template-columns:repeat(3,1fr);align-items:center;gap:18px;min-height:122px;padding:16px 8px}
.social-timeline:before{content:"";position:absolute;left:14%;right:14%;top:50%;height:3px;border-radius:4px;background:linear-gradient(90deg,#9ed8df,var(--accent))}
.timeline-node{position:relative;z-index:1;text-align:center}
.timeline-node i{
  width:44px;height:44px;display:grid;place-items:center;margin:0 auto 9px;border:5px solid #fff;border-radius:50%;
  background:var(--accent);color:#fff;font-style:normal;font-size:12px;font-weight:700;box-shadow:0 0 0 2px var(--accent-line);
}
.timeline-node b{display:block;color:var(--navy);font-size:12.5px}
.timeline-node span{display:block;margin-top:4px;color:var(--muted);font-size:11px}
.timeline-insight{padding:12px 14px;border:1px solid var(--accent-line);border-radius:11px;background:#fff;color:#4a6072;font-size:12.5px;line-height:1.65}
.timeline-insight b{color:var(--accent)}
.subject-flow{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;align-items:center;gap:12px;padding:16px;border:1px solid var(--note-line);border-radius:13px;background:var(--note-tint)}
.subject-flow>div{text-align:center}
.subject-flow i{display:grid;place-items:center;width:32px;height:32px;margin:0 auto 8px;border-radius:50%;background:var(--accent);color:#fff;font-size:12px;font-weight:900;font-style:normal}
.subject-flow b{display:block;color:var(--navy);font-size:13px}
.subject-flow span{display:block;margin-top:4px;color:var(--muted);font-size:11.5px}
.subject-flow em{color:var(--accent);font-size:20px;font-style:normal;font-weight:900}
.korean-note-visual>p,.math-note-visual>p{margin:10px 0 0;padding:12px 14px;border:1px solid var(--accent-line);border-radius:11px;background:#fff;color:#4a6072;font-size:12.5px;line-height:1.65}
.korean-note-visual>p b,.math-note-visual>p b{color:var(--accent)}
.math-formula{display:grid;grid-template-columns:auto 1fr auto auto 1fr auto auto 1fr;align-items:center;gap:10px;padding:16px;border:1px solid var(--note-line);border-radius:13px;background:var(--note-tint)}
.math-formula span{padding:6px 9px;border-radius:999px;background:var(--accent);color:#fff;font-size:11px;font-weight:900}
.math-formula b{color:var(--navy);font-size:12.5px;text-align:center}
.math-formula i{color:var(--accent);font-style:normal;font-weight:900}

/* ── Rail ────────────────────────────────────────────────────────────────── */
.rail{position:sticky;top:96px;display:flex;flex-direction:column;gap:16px}
.rail-card{padding:20px;border:1px solid var(--line);border-radius:14px;background:#fff}
.rail-head{display:flex;align-items:center;justify-content:space-between;gap:10px}
.rail-card h2{display:flex;align-items:center;gap:10px;margin:0;color:var(--navy);font-size:16px;font-weight:900}
.rail-ico{width:30px;height:30px;display:grid;place-items:center;border-radius:9px;background:var(--accent-soft);color:var(--accent)}
.rail-ico .ui-icon{width:17px;height:17px}
.rail-more{display:inline-flex;align-items:center;gap:6px;border:0;background:none;color:var(--accent);font-size:12.5px;font-weight:700;cursor:pointer;padding:0}
.rail-more .go{width:6px;height:6px;border-right:1.8px solid currentColor;border-bottom:1.8px solid currentColor;transform:rotate(-45deg)}
.rail-card p{margin:10px 0 0;color:var(--muted);font-size:12.5px;line-height:1.6}
.review-card{background:linear-gradient(150deg,#fbfdff,#fff)}
.review-overview{display:flex;align-items:center;justify-content:space-between;gap:14px;margin:16px 0 0}
.review-count{display:flex;align-items:baseline;gap:7px}
.review-count strong{color:var(--accent);font-size:34px;font-weight:900;line-height:1}
.review-count span{color:#6c7789;font-size:13px;font-weight:600}
.review-ring{
  --p:0%;width:72px;height:72px;flex:none;display:grid;place-items:center;border-radius:50%;position:relative;
  background:conic-gradient(var(--accent) var(--p),#e6edf5 0);
}
.review-ring:after{content:"";position:absolute;inset:11px;border-radius:50%;background:#fff}
.review-ring strong,.review-ring span{position:relative;z-index:1;grid-column:1;grid-row:1}
.review-ring strong{color:var(--navy);font-size:19px;font-weight:900}
.review-ring span{margin-top:26px;color:var(--muted);font-size:10px}
.review-legend{display:none;margin:16px 0 0;padding:0;list-style:none}
body[data-family="science"] .review-legend{display:block}
.review-legend li{display:flex;align-items:center;gap:9px;padding:5px 0;color:#5d6a80;font-size:12.5px}
.review-legend b{margin-left:auto;color:var(--navy);font-weight:800}
.review-legend .dot{width:9px;height:9px;border-radius:50%;background:var(--accent)}
.review-legend .dot.b{background:#7fd6cd}
.review-legend .dot.c{background:var(--amber)}
.share{display:grid;grid-template-columns:74px minmax(0,1fr) 42px;align-items:center;gap:10px;margin-top:14px;font-size:12.5px}
.share span{color:#65718a}
.share b{color:var(--navy);font-weight:800;text-align:right}
.share i{height:7px;border-radius:999px;background:#eaeef5;overflow:hidden}
.share em{display:block;height:100%;width:0;background:var(--accent);border-radius:inherit;transition:width .25s}
.share.s-question em{background:var(--amber)}
.share.s-problem em{background:#3ec59a}
.coach{background:linear-gradient(150deg,#fffdf5,#fff9ec);border-color:#f2e6cb}
body[data-family="science"] .coach{background:#fff;border-color:var(--line)}
.coach-head{display:flex;align-items:flex-start;gap:12px}
.coach-avatar{width:38px;height:38px;flex:none;display:grid;place-items:center;border-radius:50%;background:#fff;font-size:21px;box-shadow:0 2px 8px rgba(60,50,20,.08)}
.coach-head>div>b{display:block;color:var(--navy);font-size:14px;font-weight:900}
.coach-head>div>span{display:block;margin-top:6px;color:#7c8496;font-size:12px;line-height:1.55}
.coach-row{display:flex;gap:8px;margin-top:14px}
.coach-row input{min-width:0;flex:1;height:44px;border:1px solid var(--line-2);border-radius:11px;background:#fff;padding:0 14px;font-size:13px;outline:0}
.coach-row button{
  width:44px;height:44px;flex:none;display:grid;place-items:center;border:0;border-radius:11px;
  background:linear-gradient(100deg,var(--accent-deep),var(--accent-2));color:#fff;cursor:pointer;
}
.coach-row .ui-icon{width:19px;height:19px}

/* ── Modals, toast, FAB ──────────────────────────────────────────────────── */
.modal{position:fixed;inset:0;z-index:60;display:grid;place-items:center;padding:18px}
.modal-backdrop{position:absolute;inset:0;background:rgba(18,27,45,.48);backdrop-filter:blur(3px)}
.detail-panel,.review-panel{position:relative;width:min(860px,100%);max-height:min(860px,92vh);overflow:auto;border-radius:20px;background:#fff;box-shadow:0 25px 80px rgba(15,25,44,.3)}
.detail-panel header,.review-panel header{position:sticky;top:0;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:19px 22px;background:#fff;border-bottom:1px solid var(--line)}
.detail-panel header small{color:var(--accent);font-size:11px;font-weight:900;letter-spacing:.06em}
.detail-panel h2{margin:5px 0 0;color:var(--navy);font-size:21px}
.detail-panel>div{padding:22px}
.detail-section{margin-bottom:18px}
.detail-section:last-child{margin-bottom:0}
.detail-section b{display:block;margin-bottom:8px;color:var(--navy);font-size:13px}
.detail-section p{margin:0;padding:15px;border-radius:11px;background:#f7f9fc;color:#4d5b74;font-size:13.5px;line-height:1.75;white-space:pre-wrap}
.answer-compare{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.answer-compare span{padding:12px;border-radius:10px;background:#f7f9fc;font-size:13px}
.detail-panel footer{position:sticky;bottom:0;display:flex;justify-content:flex-end;gap:10px;padding:14px 22px;background:#fff;border-top:1px solid var(--line)}
.review-panel{width:min(760px,100%);padding-bottom:22px}
.review-panel header b{font-size:12px;color:var(--muted)}
.progress{height:5px;background:#edf0f5}
.progress i{display:block;height:100%;width:0;background:var(--accent);transition:width .2s}
.review-panel>div#reviewBody{padding:27px}
.review-kicker{color:var(--accent);font-size:11px;font-weight:900;letter-spacing:.06em}
.review-panel h2{margin:8px 0 0;color:var(--navy);font-size:23px}
.review-prompt{margin:15px 0;padding:17px;border-radius:12px;background:#f7f9fc;color:#4d5b74;font-size:13.5px;line-height:1.75}
.review-answer{border:1px dashed var(--accent-line);border-radius:12px;padding:17px;color:#40506c;font-size:13.5px;line-height:1.75;white-space:pre-wrap}
.review-panel footer{display:flex;justify-content:center;gap:10px;padding:0 27px}
.review-choice{flex:1;max-width:190px;border:1px solid var(--line-2);border-radius:12px;background:#fff;padding:13px 8px;font-size:12.5px;font-weight:800;cursor:pointer}
.review-choice:hover{border-color:var(--accent-line);color:var(--accent)}
.toast{
  position:fixed;left:50%;bottom:25px;z-index:100;transform:translate(-50%,20px);opacity:0;pointer-events:none;
  border-radius:999px;background:#17233b;color:#fff;padding:12px 18px;font-size:12.5px;transition:.2s;
}
.toast.show{transform:translate(-50%,0);opacity:1}
.review-fab{
  display:none;position:fixed;right:24px;bottom:26px;z-index:38;width:112px;height:112px;
  flex-direction:column;align-items:center;justify-content:center;gap:2px;
  border:0;border-radius:50%;background:linear-gradient(150deg,var(--accent-2),var(--accent-deep));
  color:#fff;box-shadow:0 14px 32px rgba(6,152,173,.34);font-size:17px;font-weight:800;cursor:pointer;
}
body[data-family="science"] .review-fab{box-shadow:0 14px 32px rgba(47,101,232,.34)}
.review-fab svg{width:26px;height:26px}
.review-fab b{
  display:grid;place-items:center;width:26px;height:26px;margin-top:2px;border-radius:50%;
  background:rgba(255,255,255,.24);font-size:14px;font-weight:800;
}

/* ── Between desktop frame and mobile frame ──────────────────────────────── */
@media(max-width:1280px){
  .hero-art{right:40px;opacity:.34}
  .content-grid,body[data-family="science"] .content-grid{grid-template-columns:minmax(0,1fr) 300px;gap:18px}
  .visual-grid{grid-template-columns:minmax(0,1.3fr) minmax(0,.7fr);grid-auto-rows:min-content}
  .science-graph{grid-row:span 2}
  .tools,body[data-family="science"] .tools{grid-template-columns:minmax(200px,1fr) 150px 140px}
}

/* ── Mobile canvas 852×1846 (social) / 853×1844 (science) ────────────────── */
@media(max-width:1023px){
  :root{--u:clamp(.62px,.11737vw,1px)}
  .topbar{height:calc(160*var(--u));gap:calc(22*var(--u));padding:0 calc(42*var(--u))}
  body[data-family="science"] .topbar{height:calc(126*var(--u));padding:0 calc(28*var(--u))}
  .brand b{display:none}
  .brand-mark{width:calc(84*var(--u));height:calc(84*var(--u));border-radius:calc(22*var(--u));font-size:calc(46*var(--u))}
  body[data-family="science"] .brand-mark{width:calc(74*var(--u));height:calc(74*var(--u));border-radius:calc(20*var(--u));font-size:calc(40*var(--u))}
  .subject-picker,body[data-family="science"] .subject-picker{position:static;transform:none;flex:1;margin:0}
  .picker-icon,body[data-family="science"] .picker-icon{display:none}
  .subject-picker select,body[data-family="science"] .subject-picker select{
    width:100%;min-width:0;height:calc(80*var(--u));padding:0 calc(52*var(--u)) 0 calc(30*var(--u));
    border-radius:calc(18*var(--u));font-size:calc(26*var(--u));
  }
  .caret{right:calc(26*var(--u));width:calc(14*var(--u));height:calc(14*var(--u));border-width:0 calc(3*var(--u)) calc(3*var(--u)) 0}
  .top-actions,body[data-family="social"] .top-actions{margin-left:0;gap:calc(14*var(--u))}
  .top-nav-action{width:42px;padding:0}.top-nav-action b{display:none}
  .icon-button{width:calc(60*var(--u));height:calc(60*var(--u));border:0;background:none;border-radius:calc(16*var(--u))}
  .icon-button .ui-icon{width:calc(40*var(--u));height:calc(40*var(--u))}
  .top-user,body[data-family="science"] .top-user{display:none}

  .page,body[data-family="science"] .page{padding:calc(24*var(--u)) calc(24*var(--u)) calc(170*var(--u))}
  .hero,body[data-family="science"] .hero{
    position:relative;min-height:calc(318*var(--u));padding:calc(40*var(--u)) calc(34*var(--u)) calc(34*var(--u));
    /* Frame 1:698 is a blue-tinted card (#f5f8fd on a #dde7f7 hairline), not a teal one. */
    border:1px solid #dde7f7;border-radius:calc(28*var(--u));
    background:linear-gradient(150deg,#f2f6fd 0,#f9fbff 58%,#eef4fd 100%);box-shadow:none;overflow:hidden;
  }
  body[data-family="science"] .hero{background:linear-gradient(150deg,#f0f5ff 0,#fbfdff 58%,#eef4fd 100%)}
  .hero-copy{max-width:calc(560*var(--u))}
  body[data-family="science"] .hero-copy{max-width:none}
  .eyebrow{font-size:calc(20*var(--u));letter-spacing:.09em}
  /* Frame 1:706 = 45px, frame 1:1148 = 47px on the mobile canvas. */
  .hero h1{margin-top:calc(14*var(--u));font-size:calc(45*var(--u))}
  body[data-family="science"] .hero h1{margin-top:calc(14*var(--u));font-size:calc(47*var(--u))}
  .hero p{margin-top:calc(18*var(--u));font-size:calc(21*var(--u));line-height:1.55;max-width:calc(540*var(--u))}
  body[data-family="science"] .hero p{max-width:none}
  .hero-points{display:none}
  .hero-art,body[data-family="science"] .hero-art{
    display:block;position:absolute;right:calc(-14*var(--u));top:calc(56*var(--u));
    width:calc(280*var(--u));height:calc(190*var(--u));opacity:.62;
  }
  body[data-family="social"] .hero-art{content:url("./social-wiki-art-mobile.svg");right:calc(8*var(--u));top:calc(44*var(--u));opacity:1}
  body[data-family="science"] .hero-art{display:none}
  .auto-status,body[data-family="science"] .auto-status{
    position:static;display:inline-flex;height:calc(60*var(--u));margin-top:calc(26*var(--u));
    padding:0 calc(26*var(--u));gap:calc(12*var(--u));font-size:calc(22*var(--u));border-radius:999px;
  }
  body[data-family="science"] .auto-status{display:flex;width:fit-content;margin-left:auto;margin-right:auto}
  .auto-status i{width:calc(14*var(--u));height:calc(14*var(--u))}

  .metrics,body[data-family="science"] .metrics{grid-template-columns:1fr 1fr;gap:calc(20*var(--u));margin:calc(22*var(--u)) 0 calc(24*var(--u))}
  .metric{min-height:calc(144*var(--u));gap:calc(24*var(--u));padding:0 calc(28*var(--u));border-radius:calc(20*var(--u))}
  .metric:nth-child(1){background:#f4f8ff}
  .metric:nth-child(2){background:#f1fafc}
  .metric:nth-child(3){background:#fffaf1}
  .metric:nth-child(4){background:#f3fbf6}
  body[data-family="science"] .metric{min-height:calc(130*var(--u));background:#fff}
  .metric-icon,body[data-family="science"] .metric-icon{width:calc(64*var(--u));height:calc(64*var(--u));border-radius:calc(18*var(--u))}
  .metric-icon .ui-icon,body[data-family="science"] .metric-icon .ui-icon{width:calc(32*var(--u));height:calc(32*var(--u))}
  .metric small,body[data-family="science"] .metric small{font-size:calc(21*var(--u))}
  .metric b,body[data-family="science"] .metric b{margin-top:calc(9*var(--u));font-size:calc(38*var(--u))}
  .metric em{font-size:calc(22*var(--u))}

  .workspace{border:0;border-radius:0;background:none;box-shadow:none;overflow:visible}
  .workspace-head,body[data-family="science"] .workspace-head{height:auto;padding:0;border-bottom:0}
  .tabs{gap:calc(16*var(--u));padding-bottom:calc(4*var(--u))}
  .tab{
    flex:none;height:calc(72*var(--u));padding:0 calc(30*var(--u));border:1px solid var(--line-2);
    border-radius:999px;background:#fff;color:#5a6679;font-size:calc(23*var(--u));font-weight:700;
  }
  .tab.active{border-color:#123fbf;background:#123fbf;color:#fff}
  .tab.active:after{display:none}
  body[data-family="science"] .tabs{gap:0;border-bottom:1px solid var(--line)}
  body[data-family="science"] .tab{height:calc(74*var(--u));padding:0 calc(26*var(--u));border:0;border-radius:0;background:none;color:#7e8a9d}
  body[data-family="science"] .tab.active{background:none;color:var(--accent);font-weight:800}
  body[data-family="science"] .tab.active:after{display:block;left:calc(26*var(--u));right:calc(26*var(--u));height:calc(5*var(--u))}
  .head-cta{display:none}
  .workspace-body,body[data-family="science"] .workspace-body{padding:0}
  /* The frames' filter labels are shorter than the real option text ("전체 출처",
     "최근 학습순"), so the two selects size to their content instead of to a fixed
     column — otherwise the label is clipped mid-glyph. */
  .tools,body[data-family="science"] .tools{
    grid-template-columns:minmax(calc(240*var(--u)),1fr) auto auto;
    gap:calc(16*var(--u));margin:calc(24*var(--u)) 0 calc(26*var(--u));
  }
  .search .ui-icon{left:calc(28*var(--u));width:calc(28*var(--u));height:calc(28*var(--u));margin-top:calc(-14*var(--u))}
  .search input,body[data-family="science"] .search input{
    height:calc(72*var(--u));padding:0 calc(24*var(--u)) 0 calc(70*var(--u));
    border-radius:calc(18*var(--u));font-size:calc(23*var(--u));
  }
  .select-icon{display:block;position:absolute;left:calc(22*var(--u));top:50%;width:calc(28*var(--u));height:calc(28*var(--u));margin-top:calc(-14*var(--u));color:#6f7c90;pointer-events:none}
  .select-wrap select,body[data-family="science"] .select-wrap select{
    width:auto;height:calc(72*var(--u));padding:0 calc(44*var(--u)) 0 calc(58*var(--u));
    border-radius:calc(18*var(--u));font-size:calc(22*var(--u));
  }
  .select-wrap .caret{right:calc(22*var(--u));margin-top:calc(-9*var(--u))}
  .content-grid,body[data-family="science"] .content-grid{display:block}
  .list-head{
    position:static;width:auto;height:auto;margin:0 0 calc(20*var(--u));clip:auto;overflow:visible;
    display:flex;align-items:center;justify-content:space-between;color:var(--muted);
  }
  .list-head span:first-child{font-size:calc(28*var(--u))}
  .list-head span:last-child{font-size:calc(19*var(--u))}
  .note-list{gap:calc(24*var(--u))}

  .note-card{padding:calc(28*var(--u));border-radius:calc(22*var(--u))}
  .note-head{display:block}
  .note-icon{height:calc(44*var(--u));padding:0 calc(18*var(--u));border-radius:calc(10*var(--u));font-size:calc(20*var(--u))}
  .note-title-wrap{margin-top:calc(18*var(--u))}
  .note-kicker,body[data-family="science"] .note-kicker{display:none}
  .note-title{margin-top:0;font-size:calc(26*var(--u));line-height:1.4}
  .note-meta{margin-top:calc(16*var(--u));font-size:calc(20*var(--u))}
  .note-meta span{padding:0 calc(18*var(--u))}
  .source{display:none}
  .note-summary{margin-top:calc(22*var(--u));padding:calc(22*var(--u)) calc(24*var(--u));gap:calc(20*var(--u));border-radius:calc(16*var(--u));font-size:calc(21*var(--u));line-height:1.6}
  .note-summary b{margin-bottom:calc(8*var(--u));font-size:calc(22*var(--u))}
  .insight-ico{width:calc(72*var(--u));height:calc(72*var(--u))}
  .insight-ico .ui-icon{width:calc(36*var(--u));height:calc(36*var(--u))}
  .note-foot{display:block;margin-top:calc(20*var(--u))}
  .note-tags{gap:calc(12*var(--u))}
  .note-tags span{padding:calc(9*var(--u)) calc(16*var(--u));border-radius:calc(10*var(--u));font-size:calc(19*var(--u))}
  .note-actions{display:flex;gap:calc(22*var(--u));margin-top:calc(24*var(--u))}
  .note-actions button{flex:1;height:calc(64*var(--u));padding:0;border-radius:calc(16*var(--u));font-size:calc(22*var(--u))}
  /* 1:617 keeps the social secondary action slate on a neutral hairline; 1:1024 tints
     the science one blue. */
  .note-actions .ghost{color:#5d657a;border-color:var(--line-2)}
  body[data-family="science"] .note-actions .ghost{color:#6b9ded;border-color:#9fbef2}
  .analysis-visual{margin-top:calc(22*var(--u))}
  .visual-grid,body[data-family="science"] .visual-grid{grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:calc(16*var(--u))}
  .science-graph{grid-row:auto;min-height:0;padding:calc(10*var(--u));border-radius:calc(14*var(--u))}
  .science-graph svg{height:calc(250*var(--u))}
  .data-table{font-size:calc(20*var(--u))}
  .data-table th,.data-table td{padding:calc(9*var(--u)) calc(10*var(--u))}
  .formula-panel{grid-column:1/-1;padding:calc(18*var(--u)) calc(22*var(--u));border-radius:calc(14*var(--u));font-size:calc(20*var(--u));text-align:center}
  .formula-panel b{margin-bottom:0;font-size:calc(24*var(--u))}
  .social-timeline{gap:calc(10*var(--u));padding:calc(16*var(--u)) 0}
  .timeline-node i{width:calc(64*var(--u));height:calc(64*var(--u));font-size:calc(18*var(--u));border-width:calc(6*var(--u))}
  .timeline-node b{font-size:calc(20*var(--u))}
  .timeline-node span{font-size:calc(17*var(--u))}
  .timeline-insight{margin-top:calc(14*var(--u));padding:calc(18*var(--u));border-radius:calc(14*var(--u));font-size:calc(19*var(--u))}
  .subject-flow{gap:calc(10*var(--u));padding:calc(18*var(--u));border-radius:calc(16*var(--u))}
  .subject-flow i{width:calc(48*var(--u));height:calc(48*var(--u));margin-bottom:calc(10*var(--u));font-size:calc(17*var(--u))}
  .subject-flow b{font-size:calc(20*var(--u))}.subject-flow span{font-size:calc(17*var(--u))}.subject-flow em{font-size:calc(26*var(--u))}
  .korean-note-visual>p,.math-note-visual>p{margin-top:calc(14*var(--u));padding:calc(18*var(--u));border-radius:calc(14*var(--u));font-size:calc(19*var(--u))}
  .math-formula{grid-template-columns:auto 1fr auto;gap:calc(10*var(--u));padding:calc(18*var(--u));border-radius:calc(16*var(--u))}
  .math-formula span{font-size:calc(17*var(--u))}.math-formula b{font-size:calc(19*var(--u))}.math-formula i{font-size:calc(22*var(--u))}
  .rail{display:none}
  .review-fab{
    display:flex;right:calc(28*var(--u));bottom:calc(34*var(--u));
    width:calc(140*var(--u));height:calc(140*var(--u));font-size:calc(24*var(--u));
  }
  body[data-family="science"] .review-fab{
    flex-direction:row;gap:calc(14*var(--u));width:auto;height:calc(112*var(--u));
    padding:0 calc(34*var(--u));border-radius:999px;
  }
  .review-fab svg{width:calc(36*var(--u));height:calc(36*var(--u))}
  .review-fab b{width:calc(38*var(--u));height:calc(38*var(--u));margin-top:calc(4*var(--u));font-size:calc(20*var(--u))}
  body[data-family="science"] .review-fab b{width:auto;height:auto;margin:0;border-radius:0;background:none;font-size:calc(26*var(--u))}

  .detail-panel,.review-panel{max-height:95vh;border-radius:calc(24*var(--u))}
  .answer-compare{grid-template-columns:1fr}
  .review-panel>div#reviewBody{padding:calc(30*var(--u))}
  .review-panel footer{flex-direction:column;padding:0 calc(24*var(--u))}
  .review-choice{max-width:none;width:100%}
}

@media(max-width:520px){
  .visual-grid,body[data-family="science"] .visual-grid{grid-template-columns:1fr}
  .note-meta span{padding:0 calc(12*var(--u))}
  .social-timeline{gap:calc(6*var(--u))}
}

/* ── Note experience v2 · ImageGen design translation (2026-08-03) ─────── */
body.modal-open{overflow:hidden}
body[data-family="korean"]{--bg-paper:#fbf9f5;--paper-line:#e9dfd4;background:linear-gradient(rgba(255,255,255,.82),rgba(255,255,255,.82)),repeating-linear-gradient(0deg,#f5efe8 0,#f5efe8 1px,transparent 1px,transparent 32px)}
body[data-family="math"]{background-color:#f8fbff;background-image:linear-gradient(rgba(37,99,235,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(37,99,235,.035) 1px,transparent 1px);background-size:24px 24px}
body[data-family="korean"] .topbar,body[data-family="math"] .topbar{background:rgba(255,255,255,.94);backdrop-filter:blur(12px)}
body[data-family="korean"] .hero,body[data-family="math"] .hero{min-height:220px;padding:30px 42px;border-radius:22px}
body[data-family="korean"] .hero{border-color:#e7ded6;background:radial-gradient(circle at 73% 50%,rgba(139,79,199,.12),transparent 26%),linear-gradient(115deg,#fffdf9,#fbf7f2)}
body[data-family="math"] .hero{border-color:#dbe7fb;background:radial-gradient(circle at 72% 50%,rgba(37,99,235,.12),transparent 27%),linear-gradient(115deg,#fff,#f7faff)}
body[data-family="korean"] .hero-copy,body[data-family="math"] .hero-copy{max-width:720px}
body[data-family="korean"] .hero h1,body[data-family="math"] .hero h1{max-width:700px;font-size:36px;line-height:1.25;letter-spacing:-.045em;word-break:keep-all}
body[data-family="korean"] .hero h1{font-family:"KoPub Batang","Noto Serif KR",serif;font-weight:800}
body[data-family="korean"] .hero-art,body[data-family="math"] .hero-art{right:70px;top:40px;width:360px;height:150px;opacity:.72}
body[data-family="korean"] .metrics,body[data-family="math"] .metrics{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:14px 0 12px}
body[data-family="korean"] .metric,body[data-family="math"] .metric{min-height:84px;border-radius:18px}
body[data-family="korean"] .metric-icon,body[data-family="math"] .metric-icon{width:48px;height:48px;border-radius:14px}

.study-flow{display:none;align-items:center;gap:24px;margin:0 0 14px;padding:15px 22px;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.9);box-shadow:0 5px 20px rgba(23,43,82,.04)}
body[data-family="korean"] .study-flow,body[data-family="math"] .study-flow{display:flex}
.flow-title{min-width:150px;padding-right:22px;border-right:1px solid var(--line)}
.flow-title small{display:block;color:var(--accent);font-size:9px;font-weight:900;letter-spacing:.14em}.flow-title b{display:block;margin-top:4px;color:var(--navy);font-size:14px}
.flow-steps{display:flex;align-items:center;justify-content:space-between;flex:1}.flow-step{display:flex;align-items:center;gap:9px;min-width:120px}.flow-step i{width:28px;height:28px;display:grid;place-items:center;border:1px solid var(--line-2);border-radius:50%;background:#f3f5f8;color:#9aa4b5;font-size:11px;font-style:normal;font-weight:900}.flow-step.done i{border-color:var(--accent-line);background:var(--accent);color:#fff}.flow-step span{display:flex;flex-direction:column}.flow-step b{color:var(--navy);font-size:12.5px}.flow-step small{margin-top:2px;color:var(--muted);font-size:10.5px}.flow-steps>em{color:#aeb7c5;font-style:normal}

body[data-family="korean"] .workspace,body[data-family="math"] .workspace{border-radius:20px}
body[data-family="korean"] .content-grid,body[data-family="math"] .content-grid{grid-template-columns:minmax(0,1fr) 320px}
body[data-family="korean"] .note-card,body[data-family="math"] .note-card{border-radius:17px;padding:20px}
body[data-family="korean"] .note-card:first-child,body[data-family="math"] .note-card:first-child{box-shadow:0 10px 30px rgba(40,50,90,.06)}
body[data-family="korean"] .note-title,body[data-family="math"] .note-title{font-size:18px}
.korean-note-visual blockquote{position:relative;margin:10px 0 0;padding:13px 16px 13px 42px;border:1px solid #e7d8f2;border-radius:10px;background:#fff;color:#4f4960;font-size:12.5px;line-height:1.55}.korean-note-visual blockquote>span{position:absolute;left:15px;top:7px;color:var(--accent);font-size:28px}.korean-note-visual blockquote>b{color:var(--accent)}
.choice-strip{display:grid;grid-template-columns:repeat(5,1fr);margin-top:8px;overflow:hidden;border:1px solid #e3d8ed;border-radius:9px;background:#fff}.choice-strip>*{padding:7px;text-align:center;border-left:1px solid #ece5f2;color:#797080;font-size:10.5px}.choice-strip>*:first-child{border-left:0}.choice-strip strong{background:#f3eafb;color:#7038a7}
.math-formula{grid-template-columns:auto 1fr auto auto 1fr auto auto 1fr auto auto 1fr!important}.math-equation{display:flex;align-items:center;gap:14px;margin-top:9px;padding:12px 14px;border:1px solid #dce7fb;border-radius:10px;background:#fff}.math-equation small{color:var(--accent);font-weight:800}.math-equation strong{color:#153b91;font-family:Georgia,serif;font-size:15px}.math-equation span{margin-left:auto;color:#64718a;font-size:11px}.math-warning{margin-top:8px;padding:8px 12px;border:1px solid #f2dcc0;border-radius:9px;background:#fff9ef;color:#ba6a16;font-size:11px;font-weight:700}

/* Dedicated detail page */
.detail-view,.review-view{padding:0;background:#fff}.detail-view .modal-backdrop,.review-view .modal-backdrop{display:none}
.detail-panel{width:100%;height:100vh;max-height:none;border-radius:0;box-shadow:none;background:#fbfcfe}
.detail-panel header{height:88px;padding:12px 36px;background:rgba(255,255,255,.96)}
.detail-back{display:flex;align-items:center;gap:8px;border:0;background:none;color:var(--navy);font-size:14px;font-weight:800;cursor:pointer}.detail-heading{flex:1;min-width:0;margin-left:16px}.detail-heading small{display:inline-flex;padding:6px 11px;border:1px solid var(--accent-line);border-radius:999px;background:var(--accent-soft);letter-spacing:0}.detail-panel h2{display:inline;margin-left:12px;font-size:20px}.detail-bookmark{width:42px;height:42px;border:1px solid var(--line-2);border-radius:11px;background:#fff;color:var(--accent);font-size:22px;cursor:pointer}
.detail-panel>div{padding:16px 36px 96px}.detail-meta{display:flex;align-items:center;gap:9px;margin-bottom:14px;color:#7a8699;font-size:12px}.detail-meta i{font-style:normal;color:#c0c7d2}.detail-meta strong{margin-left:auto;padding:7px 12px;border-radius:999px;background:var(--accent-soft);color:var(--accent)}
.detail-layout{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(360px,.9fr);gap:16px;align-items:start}.detail-reading,.detail-aside>section{border:1px solid var(--line);border-radius:16px;background:#fff;padding:18px}.detail-reading>h3,.detail-aside h3{margin:0 0 14px;color:var(--navy);font-size:15px}.passage-paper{padding:24px;border:1px solid #e6ded5;border-radius:12px;background:linear-gradient(90deg,rgba(139,79,199,.05),transparent 15%),#fffdf9;color:#303747;font-family:"KoPub Batang","Noto Serif KR",serif;font-size:15px;line-height:2}.passage-paper p{position:relative;margin:0 0 12px}.passage-paper p:last-child{margin-bottom:0}.passage-paper .evidence{padding:4px 8px;background:#f0e7f7}.passage-paper .evidence i{position:absolute;left:-38px;top:4px;width:26px;height:26px;display:grid;place-items:center;border-radius:50%;background:var(--accent);color:#fff;font-family:inherit;font-size:11px;font-style:normal}.passage-paper .key{border-bottom:2px solid var(--accent)}
.detail-question-block{margin-top:14px;padding:18px;border-top:1px dashed #cfd5df}.detail-question-block>b{display:block;margin-bottom:10px;color:var(--navy)}.detail-question-block ol{margin:0;padding:0;list-style:none;counter-reset:choice}.detail-question-block li{counter-increment:choice;padding:8px 12px;border:1px solid transparent;border-radius:9px;font-size:13px}.detail-question-block li:before{content:counter(choice) "  ";color:#66728a}.detail-question-block li.answer{border-color:var(--accent);background:var(--accent-soft);color:var(--accent-deep);font-weight:700}.detail-question-block li strong{float:right}.evidence-map{display:flex;align-items:center;justify-content:center;gap:18px;margin-top:12px;padding:12px;border:1px dashed var(--accent-line);border-radius:10px;color:#606b80;font-size:12px}.evidence-map b{display:inline-grid;place-items:center;width:22px;height:22px;border-radius:50%;background:var(--accent);color:#fff}.evidence-map i{color:var(--accent);font-style:normal;font-weight:800}
.detail-aside{display:flex;flex-direction:column;gap:12px}.detail-aside .analysis-visual{margin:0}.detail-aside .subject-flow{padding:10px;gap:6px}.detail-aside .subject-flow span{display:none}.detail-aside .math-formula{grid-template-columns:auto 1fr!important;align-items:center}.detail-aside .math-formula i{display:none}.detail-aside .math-formula span{width:auto}.detail-aside .math-equation,.detail-aside .math-warning,.detail-aside .choice-strip,.detail-aside blockquote{display:none}.detail-summary-card p{margin:0;padding:14px;border-radius:10px;background:var(--note-tint);color:#4d5a71;font-size:13px;line-height:1.7}.detail-question>div{display:flex;gap:8px}.detail-question input{min-width:0;flex:1;height:42px;border:1px solid var(--line-2);border-radius:9px;padding:0 12px}.detail-question button{border:0;border-radius:9px;background:var(--accent);color:#fff;padding:0 14px;font-weight:800}.detail-question>p{margin:12px 0 0;padding:12px;border-radius:9px;background:#fffaf0;color:#667086;font-size:12px}.detail-question>p b{color:var(--navy)}
.math-problem{display:flex;gap:18px;align-items:flex-start;padding:16px;border:1px solid #d8e5fc;border-radius:12px;background:#f8fbff}.math-problem>b{padding:5px 9px;border-radius:7px;background:var(--accent-soft);color:var(--accent)}.math-problem p{margin:3px 0;color:#28364d;font-family:Georgia,"Noto Serif KR",serif;font-size:16px}.solution-steps{display:grid;grid-template-columns:1fr 1.1fr 1.65fr 1fr;margin-top:18px}.solution-steps article{display:flex;gap:10px;min-height:180px;padding:15px;border-left:1px solid var(--line)}.solution-steps article:first-child{border-left:0}.solution-steps i{width:28px;height:28px;flex:none;display:grid;place-items:center;border-radius:50%;background:var(--accent);color:#fff;font-style:normal;font-weight:900}.solution-steps article.check i{background:var(--green)}.solution-steps b{color:var(--navy)}.solution-steps p{margin:12px 0 0;color:#536077;font-family:Georgia,"Noto Serif KR",serif;font-size:14px;line-height:1.8}.solution-steps .active p strong{color:var(--accent);font-size:17px}.solution-steps .check p strong{color:var(--green)}.math-detail-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:12px;margin-top:16px}.math-detail-grid>div{padding:14px;border:1px solid #dce6f6;border-radius:11px}.math-detail-grid small{color:var(--accent);font-weight:800}.math-detail-grid svg{width:100%;height:125px;fill:none;stroke:#78879e}.math-detail-grid svg .curve{stroke:var(--accent);stroke-width:3}.math-detail-grid svg circle{fill:var(--green);stroke:#fff}.math-detail-grid svg .guide{stroke:var(--green);stroke-dasharray:4}.math-detail-grid svg text{fill:#55647b;stroke:none;font-size:11px}.math-detail-grid .mistake{border-color:#f1d5b6;background:#fff9f0}.mistake b{color:#d66b10}.mistake p{color:#795b44;font-size:12px;line-height:1.7}
.detail-panel footer{height:70px;justify-content:space-between;padding:12px 36px}.detail-panel footer .primary{min-width:280px;display:flex;align-items:center;justify-content:center;gap:8px}

/* Focused review page */
.review-panel{width:100%;height:100vh;max-height:none;padding:0;border-radius:0;box-shadow:none;background:#fcfdff}
.review-panel header{height:68px;justify-content:center;padding:10px 32px}.review-panel header>b{color:var(--navy);font-size:17px}.review-panel header strong{position:absolute;right:82px;color:var(--accent)}.review-back,.review-close{position:absolute;left:28px;width:38px;height:38px;border:0;background:none;color:var(--navy);font-size:23px;cursor:pointer}.review-close{left:auto;right:28px;font-size:30px}.review-panel .progress{height:5px}.review-panel>div#reviewBody{width:min(800px,calc(100% - 40px));margin:0 auto;padding:28px 0 150px}.review-context{color:var(--accent);font-size:13px;font-weight:700}.review-panel h2{margin:10px 0 22px;font-size:27px}.review-problem{padding:24px;border:1px solid var(--line-2);border-radius:15px;background:#fff}.review-problem>span{display:inline-block;margin-bottom:10px;padding:5px 9px;border-radius:7px;background:var(--accent-soft);color:var(--accent);font-size:12px;font-weight:800}.review-problem p,.review-problem blockquote{margin:0;color:#27344a;font-size:16px;line-height:1.9}.review-problem blockquote{font-family:"KoPub Batang","Noto Serif KR",serif}.review-problem.korean p{margin-top:10px;color:#748095;font-size:13px}.review-choices{display:grid;gap:8px;margin-top:12px}.review-choices button{min-height:48px;border:1px solid var(--line-2);border-radius:11px;background:#fff;padding:9px 14px;text-align:left;cursor:pointer}.review-choices .selected{border-color:var(--accent);background:var(--accent-soft);color:var(--accent-deep);font-weight:800}.review-math-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:12px}.review-math-steps>div{display:flex;align-items:center;gap:8px;padding:13px;border:1px solid #dce6f7;border-radius:11px;background:#fff}.review-math-steps i{width:25px;height:25px;display:grid;place-items:center;border-radius:50%;background:var(--accent);color:#fff;font-style:normal;font-weight:900}.review-math-steps span{display:block;margin-top:3px;color:#778399;font-size:10px}.reveal-button{width:100%;height:52px;margin-top:14px;border:1px dashed var(--accent-line);border-radius:12px;background:#fff;color:var(--accent);font-weight:900;cursor:pointer}.revealed-answer{margin-top:14px;padding:18px;border:1px solid #b7e2cc;border-radius:13px;background:#fbfffd}.revealed-answer header{position:static;height:auto;justify-content:flex-start;padding:0;border:0;background:none}.revealed-answer header i{width:32px;height:32px;display:grid;place-items:center;border-radius:50%;background:var(--green);color:#fff;font-style:normal}.revealed-answer header b{color:#0c8b52;font-size:18px}.revealed-answer p{margin:14px 0;color:#405067;line-height:1.7}.answer-link{display:inline-flex;padding:6px 10px;border-radius:8px;background:var(--green-soft);color:#0b8750;font-size:12px;font-weight:800}.review-equation{margin-top:12px;padding:16px;border-radius:10px;background:#f4f8ff;color:#31527e;font-family:Georgia,serif;line-height:1.8}.review-equation strong{color:var(--accent)}.review-warning{margin-top:10px;padding:10px 13px;border:1px solid #f1d0ac;border-radius:9px;background:#fff8ef;color:#c06413;font-size:12px;font-weight:800}.confidence{margin-top:17px;padding-top:16px;border-top:1px solid var(--line)}.confidence>b{color:var(--navy)}.confidence p{margin:5px 0 0;color:var(--muted);font-size:12px}.review-coach,.review-memo{margin-top:12px;border:1px solid var(--line-2);border-radius:11px;background:#fff}.review-coach summary{padding:15px;color:var(--navy);font-weight:800;cursor:pointer}.review-coach>div{display:flex;gap:8px;padding:0 15px 15px}.review-coach input{min-width:0;flex:1;height:40px;border:1px solid var(--line-2);border-radius:8px;padding:0 11px}.review-coach button{border:0;border-radius:8px;background:var(--accent);color:#fff;font-weight:800}.review-memo{padding:14px;color:#5b6780;font-size:13px}.review-panel footer{position:fixed;left:0;right:0;bottom:0;z-index:3;display:flex;gap:10px;justify-content:center;padding:14px 24px calc(14px + env(safe-area-inset-bottom));border-top:1px solid var(--line);background:rgba(255,255,255,.96);backdrop-filter:blur(12px)}.review-choice{max-width:240px;min-height:56px}.review-choice small{display:block;margin-top:3px;color:var(--muted)}.review-choice.preferred{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}.review-complete{display:flex;min-height:60vh;flex-direction:column;align-items:center;justify-content:center}.review-complete i{width:64px;height:64px;display:grid;place-items:center;border-radius:50%;background:var(--green);color:#fff;font-size:30px;font-style:normal}.review-complete b{margin-top:18px;color:var(--navy);font-size:24px}.review-complete span{margin-top:8px;color:var(--muted)}

@media(max-width:1023px){
  body[data-family="korean"] .hero,body[data-family="math"] .hero{min-height:calc(330*var(--u));padding:calc(34*var(--u));border-radius:calc(26*var(--u))}
  body[data-family="korean"] .hero h1,body[data-family="math"] .hero h1{max-width:calc(590*var(--u));font-size:calc(38*var(--u));line-height:1.28}
  body[data-family="korean"] .hero p,body[data-family="math"] .hero p{font-size:calc(20*var(--u))}
  body[data-family="korean"] .hero-art,body[data-family="math"] .hero-art{right:calc(0*var(--u));top:calc(70*var(--u));width:calc(240*var(--u));height:calc(160*var(--u))}
  body[data-family="korean"] .study-flow,body[data-family="math"] .study-flow{display:none}
  body[data-family="korean"] .metrics,body[data-family="math"] .metrics{grid-template-columns:1fr 1fr;gap:calc(18*var(--u));margin:calc(20*var(--u)) 0 calc(24*var(--u))}
  body[data-family="korean"] .metric,body[data-family="math"] .metric{min-height:calc(138*var(--u));padding:0 calc(28*var(--u));gap:calc(22*var(--u))}
  body[data-family="korean"] .metric-icon,body[data-family="math"] .metric-icon{width:calc(62*var(--u));height:calc(62*var(--u))}
  body[data-family="korean"] .metric small,body[data-family="math"] .metric small{font-size:calc(21*var(--u));word-break:keep-all}
  body[data-family="korean"] .metric b,body[data-family="math"] .metric b{font-size:calc(36*var(--u));white-space:nowrap}
  body[data-family="korean"] .review-fab,body[data-family="math"] .review-fab{display:none}
  .choice-strip{grid-template-columns:1fr}.choice-strip>*{border-left:0;border-top:1px solid #ece5f2}.choice-strip>*:first-child{border-top:0}
  .math-formula{grid-template-columns:auto 1fr auto!important}.math-equation{display:block}.math-equation>*{display:block;margin:4px 0}.math-warning{font-size:calc(18*var(--u))}
  .detail-panel header{height:calc(90*var(--u));padding:calc(12*var(--u)) calc(24*var(--u))}.detail-back span,.detail-bookmark{display:none}.detail-heading{margin-left:0}.detail-panel h2{display:block;max-width:calc(650*var(--u));margin:calc(4*var(--u)) 0 0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:calc(20*var(--u))}.detail-panel>div{padding:calc(18*var(--u)) calc(24*var(--u)) calc(110*var(--u))}.detail-meta{flex-wrap:wrap}.detail-meta strong{margin-left:0}.detail-layout{display:block}.detail-aside{margin-top:calc(16*var(--u))}.passage-paper{padding:calc(24*var(--u)) calc(24*var(--u)) calc(24*var(--u)) calc(48*var(--u));font-size:calc(20*var(--u))}.solution-steps{grid-template-columns:1fr}.solution-steps article{min-height:0;border-left:0;border-top:1px solid var(--line)}.solution-steps article:first-child{border-top:0}.math-detail-grid{grid-template-columns:1fr}.detail-panel footer{height:calc(88*var(--u));padding:calc(10*var(--u)) calc(24*var(--u))}.detail-panel footer .ghost{display:none}.detail-panel footer .primary{width:100%;min-width:0}
  .review-panel header{height:calc(92*var(--u));padding:calc(12*var(--u)) calc(30*var(--u))}.review-panel header>b{font-size:calc(22*var(--u))}.review-panel header strong{right:calc(100*var(--u));font-size:calc(20*var(--u))}.review-back,.review-close{left:calc(22*var(--u));width:calc(54*var(--u));height:calc(54*var(--u));font-size:calc(30*var(--u))}.review-close{left:auto;right:calc(22*var(--u));font-size:calc(42*var(--u))}.review-panel>div#reviewBody{width:auto;padding:calc(32*var(--u)) calc(32*var(--u)) calc(210*var(--u))}.review-context{font-size:calc(18*var(--u))}.review-panel h2{font-size:calc(31*var(--u));line-height:1.35}.review-problem{padding:calc(24*var(--u));border-radius:calc(14*var(--u))}.review-problem p,.review-problem blockquote{font-size:calc(22*var(--u))}.review-problem.korean p{font-size:calc(18*var(--u))}.review-choices button{min-height:calc(72*var(--u));font-size:calc(20*var(--u))}.review-math-steps{grid-template-columns:1fr}.review-math-steps>div{padding:calc(18*var(--u));font-size:calc(20*var(--u))}.review-math-steps span{font-size:calc(17*var(--u))}.reveal-button{height:calc(72*var(--u));font-size:calc(21*var(--u))}.revealed-answer{padding:calc(22*var(--u))}.revealed-answer p,.review-equation{font-size:calc(19*var(--u))}.confidence>b{font-size:calc(21*var(--u))}.review-coach summary,.review-memo{font-size:calc(20*var(--u))}.review-panel footer{padding:calc(14*var(--u)) calc(24*var(--u)) calc(14px + env(safe-area-inset-bottom));flex-direction:row}.review-choice{width:auto;max-width:none;min-height:calc(76*var(--u));font-size:calc(18*var(--u))}.review-choice small{font-size:calc(14*var(--u))}
}

@media(max-width:640px){.review-choice small{display:none}.review-panel footer{gap:calc(8*var(--u))}.detail-aside .analysis-visual{overflow:hidden}}

/* 복습 화면 전용 나비쌤 질문·버그 신고 연결 (2026-08-19) */
.review-bug{position:absolute;left:82px;height:36px;display:inline-flex;align-items:center;gap:6px;padding:0 11px;border:1px solid #f0c7c4;border-radius:10px;background:#fff;color:#d74338;font-size:12px;font-weight:800;cursor:pointer}
.review-bug svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.review-coach>.review-coach-thread{display:grid;gap:8px;max-height:260px;overflow:auto;margin:0 15px 12px;padding:12px;border-radius:10px;background:#f7f9fc}
.review-coach>.review-coach-compose{display:flex;gap:8px;padding:0 15px 15px}
.review-coach-tools{display:flex;flex-wrap:wrap;gap:7px;padding:0 15px 10px}
.review-coach .review-coach-tools button{min-width:0;height:34px;padding:0 11px;border:1px solid var(--line-2);border-radius:999px;background:#fff;color:#53627a;font-size:11.5px;font-weight:800;cursor:pointer}
.review-coach .review-coach-tools button:hover{border-color:var(--accent-line);background:var(--accent-soft);color:var(--accent)}
.review-coach-message{max-width:88%;padding:10px 12px;border-radius:11px;background:#fff;color:#47556d;box-shadow:0 1px 3px rgba(25,42,72,.06)}
.review-coach-message.user{justify-self:end;background:var(--accent);color:#fff}
.review-coach-message b{display:block;margin-bottom:3px;font-size:11px}
.review-coach-message p{margin:0;white-space:pre-wrap;font-size:13px;line-height:1.55}
.review-coach-message.pending{opacity:.72}
.review-coach-compose button{min-width:78px;padding:0 13px;cursor:pointer}
.review-coach-compose button:disabled{opacity:.55;cursor:wait}
@media(max-width:1023px){
  .review-bug{left:calc(90*var(--u));height:calc(54*var(--u));padding:0 calc(15*var(--u));font-size:calc(17*var(--u))}
  .review-bug svg{width:calc(23*var(--u));height:calc(23*var(--u))}
  .review-coach>.review-coach-compose{gap:calc(10*var(--u));padding:0 calc(18*var(--u)) calc(18*var(--u))}
  .review-coach-tools{gap:calc(8*var(--u));padding:0 calc(18*var(--u)) calc(12*var(--u))}
  .review-coach .review-coach-tools button{height:calc(52*var(--u));padding:0 calc(14*var(--u));font-size:calc(16*var(--u))}
  .review-coach input{height:calc(64*var(--u));font-size:calc(19*var(--u))}
  .review-coach-compose button{min-width:calc(112*var(--u));font-size:calc(18*var(--u))}
  .review-coach>.review-coach-thread{max-height:calc(360*var(--u));margin:0 calc(18*var(--u)) calc(14*var(--u));padding:calc(15*var(--u))}
  .review-coach-message p{font-size:calc(18*var(--u))}
}
@media(max-width:640px){.review-bug span{display:none}.review-bug{width:calc(54*var(--u));justify-content:center;padding:0}}

/* ── Note mobile v3 · generated mobile design implementation ───────────── */
.mobile-note-nav{display:none}
.detail-add{display:none;border:1px solid var(--accent);border-radius:10px;background:#fff;color:var(--accent);font-weight:900;cursor:pointer}
.detail-panel>div#detailBody{width:min(1460px,100%);margin:0 auto}
.detail-intro{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:20px 22px;border:1px solid var(--line-2);border-radius:15px;background:#fff}
.detail-intro-copy{min-width:0}.detail-type{display:inline-flex;padding:7px 13px;border-radius:8px;background:var(--accent);color:#fff;font-size:12px;font-weight:900}.detail-intro h1{display:inline;margin:0 0 0 15px;color:var(--navy);font-size:23px;letter-spacing:-.035em}.detail-intro .detail-meta{margin:9px 0 0}.understanding{display:flex;align-items:center;gap:12px;flex:none}.understanding>i{width:54px;height:54px;border-radius:50%;background:conic-gradient(var(--accent) var(--score),#e9eef7 0);position:relative}.understanding>i:after{content:"";position:absolute;inset:7px;border-radius:50%;background:#fff}.understanding span{display:flex;flex-direction:column;color:#657188;font-size:11px}.understanding strong{margin-top:2px;color:var(--navy);font-size:25px}
.detail-overview,.evidence-list,.choice-compare,.evidence-link-card,.mistake-accordion,.math-mobile-grid,.detail-support-grid>article,.mobile-detail-question,.detail-memo{margin-top:14px;padding:17px;border:1px solid var(--line-2);border-radius:15px;background:#fff}
.section-title{display:flex;align-items:center;justify-content:space-between}.section-title h3,.evidence-list h3,.choice-compare h3,.evidence-link-card h3,.mistake-accordion h3,.math-mobile-grid h3,.detail-support-grid h3,.mobile-detail-question h3{margin:0;color:var(--navy);font-size:15px}.section-title button{border:0;background:none;color:var(--navy);font-size:18px}
.overview-flow{display:flex;align-items:center;gap:12px;margin-top:12px}.overview-flow article{display:flex;align-items:center;gap:11px;flex:1;min-width:0;padding:13px;border:1px solid var(--accent-line);border-radius:11px}.overview-flow article>i{width:32px;height:32px;display:grid;place-items:center;flex:none;border-radius:50%;background:var(--accent-soft);color:var(--accent);font-style:normal;font-weight:900}.overview-flow article:last-of-type>i{background:var(--green-soft);color:var(--green)}.overview-flow article div{display:flex;min-width:0;flex-direction:column}.overview-flow b{color:var(--navy);font-size:13px}.overview-flow span{margin-top:3px;color:#7d889b;font-size:10px}.overview-flow>em{color:var(--accent);font-style:normal;font-weight:900}
.korean-detail-reading,.math-detail-reading{margin-top:14px}.mobile-passage{padding:18px 24px;border:1px solid #e6ddd5;border-radius:12px;background:#fffdf9;font-family:"KoPub Batang","Noto Serif KR",serif}.mobile-passage p{position:relative;margin:0 0 13px;padding-left:34px;color:#303745;line-height:1.9}.mobile-passage p>i{position:absolute;left:0;top:3px;width:23px;height:23px;display:grid;place-items:center;border-radius:50%;background:#f2ebf8;color:var(--accent);font-size:11px;font-style:normal;font-weight:900}.mobile-passage p.evidence{padding-top:6px;padding-bottom:6px;border:1px solid var(--accent);border-radius:8px;background:var(--accent-soft)}.mobile-passage p.evidence>i{left:5px;top:8px;background:var(--accent);color:#fff}.mobile-passage small{display:block;width:max-content;margin-top:4px;padding:3px 7px;border:1px solid var(--accent-line);border-radius:6px;background:#fff;color:var(--accent);font-family:inherit;font-size:10px}.mobile-passage cite{display:block;text-align:right;color:#7b8290;font-size:11px;font-style:normal}
.evidence-list ol{margin:12px 0 0;padding:0;list-style:none}.evidence-list li{display:grid;grid-template-columns:28px 1fr auto;align-items:center;gap:9px;padding:10px;border:1px solid #edf0f5;border-radius:9px}.evidence-list li+li{margin-top:7px}.evidence-list li.active{border-color:var(--accent);background:var(--accent-soft)}.evidence-list i,.choice-compare summary i{width:24px;height:24px;display:grid;place-items:center;border-radius:50%;background:var(--accent);color:#fff;font-size:11px;font-style:normal;font-weight:900}.evidence-list span{min-width:0;color:#4c566b;font-size:12px}.evidence-list small{color:#7e8798;font-size:10px}.evidence-list .active small{color:var(--accent);font-weight:800}
.choice-compare details{border:1px solid #edf0f5;border-radius:9px}.choice-compare details+details{margin-top:6px}.choice-compare details[open]{border-color:var(--accent);background:var(--accent-soft)}.choice-compare summary{display:grid;grid-template-columns:28px 1fr auto;align-items:center;gap:9px;padding:9px 11px;cursor:pointer;list-style:none}.choice-compare summary::-webkit-details-marker{display:none}.choice-compare summary span{font-size:12px}.choice-compare summary b{min-width:76px;padding:4px 8px;border-radius:999px;background:#f3f5f8;color:#717b8d;text-align:center;font-size:10px}.choice-compare details[open] summary b{background:#e5d8f4;color:var(--accent)}.choice-compare details p{margin:0 11px 11px;padding:10px 12px;border:1px solid var(--accent-line);border-radius:8px;background:#fff;color:#58647a;font-size:11px;line-height:1.65}
.evidence-link-card>div{display:flex;align-items:center;justify-content:center;gap:25px;margin-top:12px}.evidence-link-card>div span{min-width:145px;padding:12px;border:1px solid var(--accent);border-radius:10px;text-align:center;color:#59647a}.evidence-link-card>div span small{display:block;margin-top:4px;color:var(--navy)}.evidence-link-card>div i{width:32px;height:32px;display:grid;place-items:center;border-radius:50%;background:var(--accent);color:#fff;font-style:normal}.evidence-link-card>p{margin:7px 0 0;text-align:center;color:var(--accent);font-size:10px}
.math-problem-card{display:grid;grid-template-columns:1.2fr .8fr;gap:15px;padding:14px;border:1px solid var(--accent-line);border-radius:11px;background:#fbfdff}.math-problem-card>div:first-child>span{display:inline-flex;padding:5px 9px;border-radius:7px;background:var(--accent-soft);color:var(--accent);font-size:11px;font-weight:900}.math-problem-card p{margin:10px 0 0;color:#273750;font-family:Georgia,"Noto Serif KR",serif;font-size:15px;line-height:1.8}.math-graph{padding:7px;border-left:1px solid var(--line-2)}.math-graph svg{width:100%;height:135px;fill:none;stroke:#667894}.math-graph .curve{stroke:var(--accent);stroke-width:3}.math-graph circle{fill:var(--accent);stroke:#fff}.math-graph .guide{stroke:var(--accent);stroke-dasharray:4}.math-graph text{fill:#4b5e78;stroke:none;font-size:11px}.math-graph small{display:block;text-align:center;color:#65738a;font-size:10px}
.mobile-solution-steps{display:grid;gap:9px;margin-top:14px}.mobile-solution-steps article{display:grid;grid-template-columns:34px 180px 1fr;align-items:center;gap:11px;padding:13px 15px;border:1px solid var(--accent-line);border-radius:12px;background:#fff}.mobile-solution-steps article>i{width:30px;height:30px;display:grid;place-items:center;border-radius:50%;background:var(--accent);color:#fff;font-style:normal;font-weight:900}.mobile-solution-steps article.check>i{background:var(--green)}.mobile-solution-steps article div{display:flex;flex-direction:column}.mobile-solution-steps article b{color:var(--navy);font-size:14px}.mobile-solution-steps article span{margin-top:3px;color:#738097;font-size:10px}.mobile-solution-steps article p{margin:0;padding-left:15px;border-left:1px solid var(--line-2);color:#34445d;font-family:Georgia,"Noto Serif KR",serif;font-size:14px;line-height:1.75}.mobile-solution-steps article.active p{color:#1749c7}.mobile-solution-steps article.check p strong{color:var(--green)}
.mistake-accordion{border-color:#f2c99f;background:#fffaf4}.mistake-accordion h3{color:#df6a0c}.mistake-accordion details{margin-top:6px;border:1px solid #f2d8ba;border-radius:8px;background:#fff}.mistake-accordion summary{display:flex;justify-content:space-between;padding:8px 11px;color:#7b5d44;font-size:12px;font-weight:800;cursor:pointer;list-style:none}.mistake-accordion details[open] summary{color:#e36709}.mistake-accordion details p{margin:0;padding:0 11px 10px;color:#6c6270;font-size:11px;line-height:1.55}
.math-mobile-grid{display:grid;grid-template-columns:1fr 1.25fr;gap:12px;padding:0;border:0;background:none}.solution-compare,.concept-check{padding:15px;border:1px solid var(--line-2);border-radius:13px;background:#fff}.solution-compare article{margin-top:10px;padding:11px;border:1px solid #dfd3f3;border-radius:9px}.solution-compare article.recommended{border-color:#b8dfcd;background:#fbfffd}.solution-compare small{color:var(--accent);font-weight:800}.solution-compare .recommended small{color:var(--green)}.solution-compare p{margin:7px 0 0;font-family:Georgia,serif;line-height:1.7}.solution-compare mark{padding:2px 4px;border:1px dashed var(--accent);border-radius:5px;background:#fff;color:var(--accent)}.solution-compare>i{display:block;text-align:center;color:var(--accent);font-style:normal;font-size:20px}.concept-check>div{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:10px}.concept-check article{padding:11px;border:1px solid var(--accent-line);border-radius:9px;background:#fbfdff}.concept-check article b{display:block;color:var(--accent);font-size:11px}.concept-check article span{display:block;margin-top:7px;color:#58657b;font-family:Georgia,serif;font-size:11px}.concept-check h3:nth-of-type(2){margin-top:14px}.concept-check h3 em{float:right;padding:4px 8px;border:1px solid #a9ddc4;border-radius:6px;color:var(--green);font-size:9px;font-style:normal}.concept-check ul{margin:9px 0 0;padding:0;list-style:none}.concept-check li{padding:4px 0;color:#536077;font-size:10.5px}.concept-check li::first-letter{color:var(--green)}
.detail-support-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.detail-support-grid h3 span{float:right;padding:3px 7px;border-radius:6px;background:var(--accent-soft);color:var(--accent);font-size:9px}.detail-support-grid p,.mobile-detail-question p{color:#58657a;font-size:11px;line-height:1.65}.detail-support-grid button{height:34px;border:1px solid var(--accent);border-radius:8px;background:#fff;color:var(--accent);font-weight:800}.mobile-detail-question p{margin:10px 0 0;padding:9px 11px;border:1px solid var(--accent-line);border-radius:8px;background:#fafcff}.mobile-detail-question p b{display:inline-grid;width:22px;height:22px;margin-right:7px;place-items:center;border-radius:50%;background:var(--accent);color:#fff}.mobile-detail-question p.answer{background:#fffaf0;border-color:#f1d9b7}.mobile-detail-question .coach-avatar{margin-right:8px}.detail-memo{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:14px;border-color:#f1d7b4;background:#fffdf8}.detail-memo b{color:var(--navy)}.detail-memo span{color:#59657a;font-size:12px}.detail-memo button{border:0;background:none;color:var(--accent);font-size:18px}

@media(max-width:1023px){
  #bugBtn{top:auto!important;right:16px!important;bottom:100px!important}
  body[data-family="korean"],body[data-family="math"]{padding-bottom:calc(92px + env(safe-area-inset-bottom))}
  body[data-family="korean"] .topbar,body[data-family="math"] .topbar{height:82px;padding:0 24px;gap:14px}
  body[data-family="korean"] .brand-mark,body[data-family="math"] .brand-mark{width:48px;height:48px;border-radius:13px;font-size:26px}
  body[data-family="korean"] .brand b,body[data-family="math"] .brand b{display:block;font-size:24px}
  body[data-family="korean"] .subject-picker,body[data-family="math"] .subject-picker{position:relative;flex:0 0 auto;margin-left:auto}
  body[data-family="korean"] .subject-picker select,body[data-family="math"] .subject-picker select{width:auto;min-width:178px;height:50px;padding-left:48px;font-size:18px}
  body[data-family="korean"] .picker-icon,body[data-family="math"] .picker-icon{display:block}
  body[data-family="korean"] .top-actions,body[data-family="math"] .top-actions{display:flex;margin-left:0}.top-actions .icon-button{display:none}.top-user{display:flex!important}.top-user b{display:none}.top-avatar{width:48px;height:48px;font-size:27px}
  body[data-family="korean"] .page,body[data-family="math"] .page{padding:20px 24px 42px}
  body[data-family="korean"] .hero,body[data-family="math"] .hero{min-height:340px;padding:34px;border-radius:20px}
  body[data-family="korean"] .eyebrow,body[data-family="math"] .eyebrow{display:none}
  body[data-family="korean"] .hero h1,body[data-family="math"] .hero h1{position:relative;z-index:3;max-width:500px;margin:10px 0 0;font-size:38px;line-height:1.3}
  body[data-family="korean"] .hero p,body[data-family="math"] .hero p{position:relative;z-index:3;max-width:430px;margin-top:15px;font-size:20px;line-height:1.65}
  body[data-family="korean"] .hero-art,body[data-family="math"] .hero-art{display:block;right:6px;top:68px;width:390px;height:230px;opacity:.78}
  body[data-family="korean"] .hero-points,body[data-family="math"] .hero-points{display:none}
  body[data-family="korean"] .auto-status,body[data-family="math"] .auto-status{left:34px;right:auto;top:auto;bottom:32px;height:42px;font-size:17px}
  body[data-family="korean"] .metrics,body[data-family="math"] .metrics{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:20px 0}
  body[data-family="korean"] .metric,body[data-family="math"] .metric{min-height:116px;padding:14px 13px;gap:11px;border-radius:16px}
  body[data-family="korean"] .metric-icon,body[data-family="math"] .metric-icon{width:50px;height:50px;border-radius:13px}
  body[data-family="korean"] .metric small,body[data-family="math"] .metric small{font-size:15px}
  body[data-family="korean"] .metric b,body[data-family="math"] .metric b{font-size:31px}
  body[data-family="korean"] .study-flow,body[data-family="math"] .study-flow{display:flex;flex-direction:column;align-items:stretch;gap:14px;margin-bottom:18px;padding:18px 24px}
  .flow-title{min-width:0;padding:0;border:0}.flow-title small{display:none}.flow-title b{font-size:18px}.flow-step{justify-content:center;min-width:0}.flow-step small{display:none}.flow-steps>em{font-size:18px}
  body[data-family="korean"] .workspace,body[data-family="math"] .workspace{overflow:hidden;border:1px solid var(--line);border-radius:20px;background:#fff;box-shadow:var(--shadow)}
  .workspace-head{height:68px;padding:0 18px;border-bottom:1px solid var(--line)}.tabs{width:100%;gap:0;padding:0}.tab{flex:1;height:68px;padding:0 14px;border:0;border-radius:0;background:none;color:#657086;font-size:16px}.tab.active{border:0;background:none;color:var(--accent)}.tab.active:after{display:block;left:14px;right:14px}.head-cta{display:none}
  .workspace-body{padding:18px}.tools{gap:10px}.search{height:54px;flex:1}.search input{font-size:17px}.select-wrap{height:54px}.select-wrap select{font-size:15px}.select-wrap:last-child{display:none}
  body[data-family="korean"] .content-grid,body[data-family="math"] .content-grid{display:block}.list-head{margin-top:4px}.list-head #resultCount{font-size:19px}.list-head #loadState{display:none}.note-list{gap:14px}
  body[data-family="korean"] .note-card,body[data-family="math"] .note-card{padding:20px;border-radius:17px}.note-title{font-size:20px!important;line-height:1.45}.note-kicker{display:none}.note-meta{margin-top:8px}.source{font-size:12px}.analysis-visual{margin-top:14px}.subject-flow{grid-template-columns:1fr auto 1fr auto 1fr}.subject-flow>div{min-height:92px}.korean-note-visual blockquote{font-size:15px}.choice-strip{grid-template-columns:repeat(5,1fr)}.choice-strip>*{border-top:0;border-left:1px solid #ece5f2;font-size:12px}.math-formula{grid-template-columns:auto 1fr!important}.math-equation{display:block}.math-equation strong{font-size:17px}.note-summary{font-size:15px}.note-actions button{min-width:145px;min-height:48px;font-size:16px}
  .rail{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:16px}.rail .coach{grid-column:1/-1}.rail-card{min-height:190px}.review-overview{align-items:center}
  .mobile-note-nav{position:fixed;left:0;right:0;bottom:0;z-index:50;height:calc(86px + env(safe-area-inset-bottom));display:grid;grid-template-columns:repeat(5,1fr);padding:8px 20px env(safe-area-inset-bottom);border-top:1px solid var(--line-2);background:rgba(255,255,255,.97);backdrop-filter:blur(14px)}
  .mobile-note-nav button,.mobile-note-nav a{position:relative;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:5px;border:0;background:none;color:#4e596b;font-size:14px}.mobile-note-nav .ui-icon{width:28px;height:28px}.mobile-note-nav .active{color:var(--accent);font-weight:900}.mobile-note-nav b{position:absolute;top:0;left:calc(50% + 11px);min-width:18px;height:18px;padding:0 4px;border-radius:999px;background:var(--accent);color:#fff;font-size:10px;line-height:18px}.modal-open .mobile-note-nav{display:none}
  .detail-panel{background:#fbfcfe}.detail-panel header{height:78px;padding:10px 24px}.detail-back{font-size:28px}.detail-heading small{display:none}.detail-panel h2{max-width:none;margin:0;font-size:21px}.detail-bookmark{display:grid;width:42px;height:42px;border:0;font-size:26px}.detail-panel>div#detailBody{padding:16px 24px 116px}
  .detail-intro{padding:17px}.detail-intro h1{display:block;margin:12px 0 0;font-size:26px;line-height:1.38}.detail-type{font-size:13px}.understanding>i{width:60px;height:60px}.understanding strong{font-size:29px}.detail-intro .detail-meta{font-size:13px}
  .detail-overview,.evidence-list,.choice-compare,.evidence-link-card,.mistake-accordion,.detail-support-grid>article,.mobile-detail-question,.detail-memo{margin-top:12px;padding:16px;border-radius:14px}.overview-flow{gap:8px}.overview-flow article{min-height:94px;padding:12px}.overview-flow article>i{width:34px;height:34px}.overview-flow b{font-size:14px}.overview-flow span{font-size:11px}.overview-flow>em{font-size:18px}
  .detail-reading{padding:17px;border-radius:14px}.detail-reading>h3{font-size:17px}.mobile-passage{padding:18px 20px}.mobile-passage p{font-size:15px}.detail-question-block{padding:16px 0 0}.detail-question-block>b{font-size:14px;line-height:1.65}.detail-question-block li{font-size:14px}.evidence-list h3,.choice-compare h3,.evidence-link-card h3,.mistake-accordion h3,.mobile-detail-question h3{font-size:17px}.evidence-list span,.choice-compare summary span{font-size:14px}.evidence-list small,.choice-compare summary b{font-size:11px}
  .math-problem-card{grid-template-columns:1.25fr .75fr}.math-problem-card p{font-size:16px}.math-graph svg{height:150px}.mobile-solution-steps article{grid-template-columns:36px 190px 1fr;min-height:86px}.mobile-solution-steps article b{font-size:16px}.mobile-solution-steps article span{font-size:12px}.mobile-solution-steps article p{font-size:15px}.mistake-accordion summary{font-size:14px}.mistake-accordion details p{font-size:12px}
  .math-mobile-grid{grid-template-columns:1fr 1.2fr}.solution-compare,.concept-check{padding:14px}.solution-compare h3,.concept-check h3,.detail-support-grid h3{font-size:16px}.solution-compare p{font-size:14px}.concept-check article b,.concept-check article span,.concept-check li{font-size:12px}.detail-support-grid p,.mobile-detail-question p{font-size:13px}.detail-memo span{font-size:14px}
  .detail-panel footer{height:92px;padding:12px 24px}.detail-panel footer .ghost{display:none}.detail-add{display:block;width:44%;height:64px;font-size:18px}.detail-panel footer .primary{width:56%;height:64px;min-width:0;font-size:18px}
}

@media(max-width:700px){
  html,body{overflow-x:hidden}
  body[data-family="korean"] .topbar,body[data-family="math"] .topbar{padding:0 10px;gap:8px}.brand{gap:8px}.brand-mark{width:44px!important;height:44px!important}.brand b{font-size:17px!important}.subject-picker select{min-width:110px!important;padding:0 30px 0 36px!important;font-size:14px!important}.picker-icon{left:11px}.subject-picker .caret{right:11px}.top-avatar{width:36px;height:36px;font-size:20px}
  body[data-family="korean"] .page,body[data-family="math"] .page{padding:14px 14px 36px}.hero-art{opacity:.36!important}.hero h1{font-size:29px!important}.hero p{font-size:16px!important;max-width:80%!important}.metrics{overflow-x:auto;grid-template-columns:repeat(4,168px)!important;padding-bottom:4px}.metric{min-height:104px!important}.study-flow{overflow-x:auto}.flow-steps{min-width:650px}.workspace-body{padding:12px}.tab{font-size:13px;padding:0 9px}.tools{display:grid;grid-template-columns:1fr auto}.select-wrap{max-width:122px}.note-card{padding:15px!important}.note-foot{display:block}.note-actions{margin-top:12px}.rail{grid-template-columns:1fr}.rail .coach{grid-column:auto}.overview-flow{overflow-x:auto}.overview-flow article{min-width:190px}.math-problem-card{grid-template-columns:1fr}.math-graph{border-left:0;border-top:1px solid var(--line-2)}.mobile-solution-steps article{grid-template-columns:34px 1fr}.mobile-solution-steps article p{grid-column:2;padding:10px 0 0;border-left:0;border-top:1px solid var(--line-2)}.math-mobile-grid,.detail-support-grid{grid-template-columns:1fr}.detail-intro{align-items:flex-start}.understanding{flex-direction:column;gap:4px}.understanding span{text-align:center}.evidence-link-card>div span{min-width:110px}.detail-add,.detail-panel footer .primary{height:56px;font-size:15px}
  body[data-family="korean"] .hero-art,body[data-family="math"] .hero-art{right:-6px;top:135px;width:220px;height:140px;opacity:.24!important}
}

/* ── Codia/Figma editable mobile frames · 2026-08-03 ─────────────────────
   Source frames: Korean main 1:1159, Korean detail 1:1350,
                  Math main 1:1572, Math detail 1:1826 (864 × 1821).
   These rules translate the layer geometry while preserving the live note DOM. */
.detail-menu{display:none;border:0;background:none;color:var(--navy);font-size:28px;line-height:1;cursor:pointer}
.detail-bookmark .ui-icon{width:24px;height:24px}
.math-solution-board{display:grid;grid-template-columns:minmax(0,1.75fr) minmax(170px,.65fr);overflow:hidden;border:1px solid var(--accent-line);border-radius:12px;background:#fff}
.math-solution-board ol{margin:0;padding:0;list-style:none}
.math-solution-board li{display:grid;grid-template-columns:26px 72px 1fr;align-items:start;gap:8px;padding:10px 12px;border-bottom:1px solid #dce7f8;color:#3b4b64}
.math-solution-board li:last-child{border-bottom:0}
.math-solution-board li>i{width:24px;height:24px;display:grid;place-items:center;border-radius:50%;background:var(--accent);color:#fff;font-style:normal;font-size:11px;font-weight:900}
.math-solution-board li.checked>i{background:var(--green)}
.math-solution-board li>b{padding-top:2px;color:var(--accent);font-size:12px}
.math-solution-board li.checked>b{color:var(--green)}
.math-solution-board li>span{font-family:Georgia,"Noto Serif KR",serif;font-size:12px;line-height:1.55}
.mini-graph{display:flex;flex-direction:column;justify-content:center;padding:12px;border-left:1px solid #dce7f8;background:linear-gradient(#fff,#f9fbff)}
.mini-graph svg{width:100%;height:140px;fill:none;stroke:#677995}
.mini-graph svg .curve{stroke:var(--accent);stroke-width:3}.mini-graph svg circle{fill:var(--accent);stroke:#fff}.mini-graph svg .guide{stroke:var(--accent);stroke-dasharray:4}.mini-graph svg text{fill:#50617b;stroke:none;font-size:11px}
.mini-graph small{text-align:center;color:#68758b;font-size:10px}

@media(max-width:1023px){
  body[data-family="korean"],body[data-family="math"]{--figma-edge:25px;background-size:24px 24px}
  body[data-family="korean"] .topbar,body[data-family="math"] .topbar{height:88px;padding:0 25px;border-bottom-color:#e7ebf2}
  body[data-family="korean"] .brand,body[data-family="math"] .brand{gap:20px}
  body[data-family="korean"] .brand-mark,body[data-family="math"] .brand-mark{width:49px;height:49px;border-radius:11px;font-family:Georgia,serif;font-size:27px}
  body[data-family="korean"] .brand b,body[data-family="math"] .brand b{font-size:27px;letter-spacing:-.035em}
  body[data-family="korean"] .subject-picker select,body[data-family="math"] .subject-picker select{min-width:188px;height:52px;padding-left:62px;border-radius:14px;font-size:20px}
  body[data-family="korean"] .picker-icon,body[data-family="math"] .picker-icon{left:22px;width:23px;height:23px}
  body[data-family="korean"] .top-avatar,body[data-family="math"] .top-avatar{width:50px;height:50px;border:6px solid #e7eef7;font-size:27px}
  body[data-family="korean"] .page,body[data-family="math"] .page{padding:10px var(--figma-edge) 44px}
  body[data-family="korean"] .hero,body[data-family="math"] .hero{min-height:342px;padding:43px 22px;border-radius:17px;box-shadow:0 5px 16px rgba(34,42,68,.055)}
  body[data-family="korean"] .hero h1,body[data-family="math"] .hero h1{max-width:510px;margin:0;font-size:34px;line-height:1.45;letter-spacing:-.035em}
  body[data-family="korean"] .hero p,body[data-family="math"] .hero p{max-width:440px;margin-top:17px;font-size:18px;line-height:1.8}
  body[data-family="korean"] .hero-art,body[data-family="math"] .hero-art{right:0;top:54px;width:390px;height:256px;opacity:.94}
  body[data-family="korean"] .auto-status,body[data-family="math"] .auto-status{left:22px;bottom:43px;height:47px;padding:0 17px;font-size:18px}
  body[data-family="korean"] .metrics,body[data-family="math"] .metrics{gap:20px;margin:23px 0 25px}
  body[data-family="korean"] .metric,body[data-family="math"] .metric{min-height:118px;padding:12px 14px;gap:15px;border-radius:18px;background:#fff;box-shadow:0 6px 14px rgba(30,48,77,.06)}
  body[data-family="korean"] .metric-icon,body[data-family="math"] .metric-icon{width:58px;height:58px;border-radius:16px}
  body[data-family="korean"] .metric-icon .ui-icon,body[data-family="math"] .metric-icon .ui-icon{width:32px;height:32px}
  body[data-family="korean"] .metric small,body[data-family="math"] .metric small{font-size:16px}
  body[data-family="korean"] .metric b,body[data-family="math"] .metric b{font-size:36px}
  body[data-family="korean"] .study-flow{display:none}
  body[data-family="math"] .study-flow{min-height:122px;margin:0 0 18px;padding:18px 29px;border-radius:17px}
  body[data-family="math"] .flow-title b{font-size:21px}.flow-steps{gap:14px}.flow-step b{font-size:15px}.flow-step i{width:42px;height:42px;font-size:16px}
  body[data-family="korean"] .workspace,body[data-family="math"] .workspace{border-radius:18px}
  body[data-family="korean"] .workspace-head,body[data-family="math"] .workspace-head{height:68px;padding:0 17px}
  body[data-family="korean"] .tab,body[data-family="math"] .tab{height:68px;font-size:18px}
  body[data-family="korean"] .workspace-body,body[data-family="math"] .workspace-body{padding:20px}
  body[data-family="korean"] .tools,body[data-family="math"] .tools{display:grid;grid-template-columns:1fr 74px;gap:16px;margin:0 0 22px}
  body[data-family="korean"] .search,body[data-family="math"] .search{height:63px}
  body[data-family="korean"] .search input,body[data-family="math"] .search input{height:63px;padding-left:61px;border-radius:13px;font-size:18px}
  body[data-family="korean"] .select-wrap,body[data-family="math"] .select-wrap{width:74px;height:63px;overflow:hidden;border:1px solid var(--line-2);border-radius:13px}
  body[data-family="korean"] .select-wrap select,body[data-family="math"] .select-wrap select{width:74px;height:63px;padding:0;border:0;color:transparent;background:transparent;font-size:0}
  body[data-family="korean"] .select-wrap .select-icon,body[data-family="math"] .select-wrap .select-icon{left:24px;width:26px;height:26px;color:var(--navy)}
  body[data-family="korean"] .select-wrap .caret,body[data-family="math"] .select-wrap .caret{display:none}
  body[data-family="korean"] .list-head,body[data-family="math"] .list-head{display:none}
  body[data-family="korean"] .note-list,body[data-family="math"] .note-list{gap:14px}
  body[data-family="korean"] .figma-note-card,body[data-family="math"] .figma-note-card{position:relative;padding:19px;border-radius:16px;box-shadow:none}
  .figma-note-card .note-head{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:0}
  .figma-note-card .note-icon{grid-column:1;min-width:88px;width:max-content;height:34px;padding:0 13px;font-size:15px}
  .figma-note-card .source{display:block;grid-column:2;grid-row:1;padding-left:14px;color:#748097;font-size:14px}
  .figma-note-card .note-title-wrap{grid-column:1/-1;grid-row:2;margin-top:12px}
  .figma-note-card .note-title{font-size:23px!important;line-height:1.35}
  .figma-note-card .note-meta{margin-top:11px;font-size:14px}.figma-note-card .note-meta span{padding:0 13px}.figma-note-card .note-meta span:first-child{padding-left:0}
  .figma-note-card .note-summary{display:none}
  .figma-note-card .analysis-visual{margin-top:18px}
  .figma-note-card .note-foot{margin-top:17px}
  .figma-note-card .note-tags span{padding:7px 12px;border-radius:8px;font-size:14px}
  .figma-note-card .note-actions{justify-content:flex-end;margin-top:14px;gap:13px}
  .figma-note-card .note-actions button{flex:0 0 auto;min-width:164px;height:53px;min-height:0;border-radius:10px;font-size:17px}
  .figma-note-card[data-type="question"],.figma-note-card[data-type="problem"]{min-height:176px}
  .figma-note-card[data-type="question"] .note-foot,.figma-note-card[data-type="problem"] .note-foot{display:flex;align-items:flex-end;justify-content:space-between;margin-top:12px}
  .figma-note-card[data-type="question"] .note-actions,.figma-note-card[data-type="problem"] .note-actions{margin:0}
  .figma-note-card[data-type="question"] .note-actions .primary,.figma-note-card[data-type="problem"] .note-actions .primary{display:none}
  .figma-note-card[data-type="question"] .note-actions .ghost,.figma-note-card[data-type="problem"] .note-actions .ghost{border-color:#ed9d62}
  .figma-note-card[data-type="question"] .note-tags,.figma-note-card[data-type="problem"] .note-tags{display:none}
  .korean-note-visual blockquote{margin:0;padding:17px 26px 17px 48px;border-color:#e3dce9;border-radius:14px;font-family:"KoPub Batang","Noto Serif KR",serif;font-size:17px;line-height:1.75}
  .korean-note-visual blockquote>span{left:18px;top:8px}.korean-note-visual blockquote>b{padding:3px 5px;background:#eadcf7;color:#15213a;font-weight:500}
  .figma-note-visual .subject-flow{margin-top:17px;padding:0;border:0;background:none;grid-template-columns:1fr auto 1fr auto 1fr}
  .figma-note-visual .subject-flow>div{min-height:145px;padding:12px 8px;border:1px solid #dedee8;border-radius:18px;background:#fff}
  .figma-note-visual .subject-flow i{width:31px;height:31px;margin-bottom:8px;background:var(--accent);color:#fff}
  .figma-note-visual .subject-flow b{font-size:17px}.figma-note-visual .subject-flow span{margin-top:8px;font-size:14px;line-height:1.55}.figma-note-visual .subject-flow em{font-size:26px}
  .math-solution-board{grid-template-columns:minmax(0,1.9fr) 215px}
  .math-solution-board li{grid-template-columns:27px 63px 1fr;min-height:58px;padding:8px 11px}.math-solution-board li>span{font-size:13px}.mini-graph svg{height:170px}
  .math-note-visual .math-warning{margin-top:13px;padding:11px 13px;font-size:13px}
  body[data-family="korean"] .rail,body[data-family="math"] .rail{margin-top:17px}
  body[data-family="korean"] .mobile-note-nav,body[data-family="math"] .mobile-note-nav{height:108px;padding:11px 40px env(safe-area-inset-bottom)}
  body[data-family="korean"] .mobile-note-nav button,body[data-family="korean"] .mobile-note-nav a,body[data-family="math"] .mobile-note-nav button,body[data-family="math"] .mobile-note-nav a{font-size:16px}
  body[data-family="korean"] .mobile-note-nav .ui-icon,body[data-family="math"] .mobile-note-nav .ui-icon{width:33px;height:33px}

  .detail-panel header{height:64px;padding:0 34px;border-bottom-color:#edf0f5}
  .detail-panel header .detail-back{width:auto;gap:17px;font-size:31px}.detail-panel header .detail-back span{display:block;font-size:20px}
  .detail-panel header .detail-heading{order:-1;display:none}
  .detail-panel header .detail-bookmark{display:grid;margin-left:auto;margin-right:14px;width:34px;height:44px}.detail-panel header .detail-bookmark .ui-icon{width:25px;height:25px}
  .detail-panel header .detail-menu{display:block;width:26px;padding:0}
  .detail-panel>div#detailBody{padding:0 34px 116px}
  .detail-intro{min-height:115px;margin:0;padding:13px 4px;border:0;border-radius:0;background:transparent}
  .detail-intro h1{margin:10px 0 0;font-size:29px;line-height:1.35}
  body[data-family="korean"] .detail-intro h1{font-family:"KoPub Batang","Noto Serif KR",serif;font-weight:700}
  body[data-family="korean"] .detail-intro .understanding{display:none}
  body[data-family="math"] .detail-intro{margin-top:14px;padding:12px 17px;border:1px solid var(--line-2);border-radius:10px;background:#fff}
  body[data-family="math"] .detail-intro h1{display:inline-block;margin:0 0 0 17px;font-size:22px}
  body[data-family="math"] .detail-intro .detail-type{vertical-align:middle}
  body[data-family="math"] .detail-intro .detail-meta{margin:8px 0 0}
  .detail-overview,.evidence-list,.choice-compare,.evidence-link-card,.mistake-accordion,.detail-support-grid>article,.mobile-detail-question,.detail-memo{margin-top:10px;padding:16px 18px;border-radius:13px}
  .overview-flow{gap:19px}.overview-flow article{min-height:94px;padding:12px 20px;border-radius:9px}.overview-flow>em{font-size:22px}
  .detail-reading{margin-top:10px;padding:18px 20px;border-radius:13px}
  .mobile-passage{padding:16px 19px}.mobile-passage p{margin-bottom:9px;font-size:15px;line-height:1.7}
  .evidence-list li{padding:8px 10px}.choice-compare summary{padding:7px 11px}.choice-compare details p{padding:8px 11px}
  .math-problem-card{min-height:150px}.mobile-solution-steps{gap:10px;margin-top:10px}.mobile-solution-steps article{min-height:86px;padding:12px 15px}
  .detail-panel footer{height:102px;padding:14px 42px;background:rgba(255,255,255,.98)}
  .detail-add,.detail-panel footer .primary{height:67px;border-radius:10px;font-size:19px}
}

/* Codia AI Design library hero resources.
   Korean: exported image-fill layer 1:1328. Math: exported editable group 1:1771. */
@media(min-width:1024px){
  body[data-family="korean"] .hero-art{
    right:0;top:0;width:58%;height:100%;object-fit:cover;object-position:right center;
    border-radius:0 22px 22px 0;opacity:1;
  }
  body[data-family="math"] .hero-art{
    right:0;top:50%;width:600px;height:auto;aspect-ratio:825/374;
    transform:translateY(-50%);object-fit:fill;clip-path:inset(0 0 0 50%);
    border-radius:0;opacity:1;
  }
  body[data-family="math"] .hero-copy{max-width:700px}
  body[data-family="math"] .hero h1{max-width:620px}
}

@media(max-width:1023px){
  body[data-family="korean"] .hero{
    min-height:0;aspect-ratio:826/352;padding:0;border:0;background:#fff;
  }
  body[data-family="math"] .hero{
    min-height:0;aspect-ratio:825/374;padding:0;border:0;background:transparent;box-shadow:none;
  }
  body[data-family="korean"] .hero-art,
  body[data-family="math"] .hero-art{
    inset:0;width:100%;height:100%;object-fit:fill;border-radius:17px;opacity:1!important;
  }
  body[data-family="korean"] .hero-copy{
    position:absolute;left:27px;top:43px;z-index:3;width:51%;max-width:none;
  }
  body[data-family="korean"] .eyebrow{
    display:block;color:#7650a4;font-size:17px;letter-spacing:0;font-weight:800;
  }
  body[data-family="korean"] .hero h1{
    max-width:none;margin:8px 0 0;font-size:34px;line-height:1.42;
  }
  body[data-family="korean"] .hero p{
    max-width:430px;margin-top:13px;font-size:17px;line-height:1.72;
  }
  body[data-family="korean"] .auto-status{
    left:27px;right:auto;top:auto;bottom:29px;height:38px;padding:0 14px;font-size:14px;
  }
  body[data-family="math"] .hero-copy{display:none}
  body[data-family="math"] .auto-status{
    left:3.4%;right:auto;top:53.5%;bottom:auto;height:34px;padding:0 13px;
    border-color:#d7e8e2;background:#f8fcfb;font-size:13px;
  }
}

@media(max-width:560px){
  body[data-family="korean"] .hero-copy{left:18px;top:24px;width:56%}
  body[data-family="korean"] .hero h1{font-size:22px!important;line-height:1.35}
  body[data-family="korean"] .hero p{margin-top:8px;font-size:12px!important;line-height:1.55}
  body[data-family="korean"] .eyebrow{font-size:12px}
  body[data-family="korean"] .auto-status{left:18px;bottom:17px;height:29px;padding:0 10px;font-size:10px}
  body[data-family="math"] .auto-status{height:27px;padding:0 9px;font-size:10px}
}

/* ── Codia/Figma desktop frames · 2026-08-04 ─────────────────────────────
   Codia editable frames: Korean 1:2, Math 1:314 (1536 × 1024).
   The hero art below is exported from the image layers inside those frames;
   labels and live counts stay editable HTML so production data remains real. */
.desktop-hero-layers,.desktop-family-card{display:none}
.korean-review-next{display:none}
body>#bugBtn{display:none!important}

@media(min-width:1024px){
  body[data-family="korean"],body[data-family="math"]{min-height:100vh;color:#12213d}
  body[data-family="korean"]{background:#fbfaf7}
  body[data-family="math"]{background-color:#fbfdff;background-image:linear-gradient(rgba(37,99,235,.018) 1px,transparent 1px),linear-gradient(90deg,rgba(37,99,235,.018) 1px,transparent 1px);background-size:24px 24px}
  body[data-family="korean"] .topbar,body[data-family="math"] .topbar{position:relative;height:72px;padding:0 38px;border-bottom:1px solid #dfe3e9;background:rgba(255,255,255,.96)}
  body[data-family="math"] .topbar{height:70px;padding:0 20px}
  body[data-family="korean"] .brand,body[data-family="math"] .brand{gap:14px}
  body[data-family="korean"] .brand-mark,body[data-family="math"] .brand-mark{width:40px;height:40px;border-radius:10px;font-family:Georgia,serif;font-size:23px}
  body[data-family="math"] .brand-mark{width:42px;height:42px}
  body[data-family="korean"] .brand b,body[data-family="math"] .brand b{font-size:22px;letter-spacing:-.035em}
  body[data-family="korean"] .subject-picker select,body[data-family="math"] .subject-picker select{height:42px;min-width:136px;border-radius:10px;font-size:14px}
  body[data-family="korean"] .icon-button,body[data-family="math"] .icon-button{width:44px;height:44px;border-radius:11px}
  body[data-family="korean"] .top-avatar,body[data-family="math"] .top-avatar{width:38px;height:38px;border:4px solid #edf1f6;font-size:20px}
  body[data-family="korean"] .page{max-width:1536px;padding:0 55px 80px}
  body[data-family="math"] .page{max-width:1536px;padding:11px 52px 80px}

  body[data-family="korean"] .hero,body[data-family="math"] .hero{box-shadow:none;overflow:hidden}
  body[data-family="korean"] .hero{height:243px;min-height:243px;margin:0 -55px;padding:31px 0 0 105px;border:0;border-radius:0;background:#fbfaf7}
  body[data-family="math"] .hero{height:191px;min-height:191px;padding:26px 32px;border:1px solid #cfdcf2;border-radius:12px;background:#fff}
  body[data-family="korean"] .hero-copy{max-width:500px}
  body[data-family="math"] .hero-copy{max-width:650px}
  body[data-family="korean"] .eyebrow,body[data-family="math"] .eyebrow{display:none}
  body[data-family="korean"] .hero h1{max-width:490px;margin:0;font-family:"KoPub Batang","Noto Serif KR",Georgia,serif;font-size:35px;line-height:1.46;font-weight:700;letter-spacing:-.045em}
  body[data-family="korean"] .hero h1 em{color:#7941ad;font-style:normal}
  body[data-family="korean"] .hero h1::first-line{color:#10233f}
  body[data-family="math"] .hero h1{max-width:690px;margin:0;font-size:28px;line-height:1.25;font-weight:900;letter-spacing:-.045em}
  body[data-family="korean"] .hero p{max-width:520px;margin-top:12px;font-size:15px;line-height:1.6;color:#667086}
  body[data-family="math"] .hero p{max-width:650px;margin-top:12px;font-size:13px;line-height:1.5;color:#68758a}
  body[data-family="korean"] .hero-points,body[data-family="math"] .hero-points{display:none}
  body[data-family="korean"] .hero-art{content:url("./korean-hero-desktop-art.png");right:0;top:0;width:970px;height:278px;object-fit:fill;object-position:center;clip-path:none;border-radius:0;opacity:1}
  body[data-family="math"] .hero-art{content:url("./math-hero-desktop-art.png");right:0;top:0;width:974px;height:189px;aspect-ratio:auto;transform:none;object-fit:fill;clip-path:none;border-radius:12px;opacity:1}
  body[data-family="korean"] .auto-status,body[data-family="math"] .auto-status{left:105px;right:auto;top:auto;bottom:25px;height:38px;padding:0 15px;border-color:#cfe1d8;background:#f5fbf7;font-size:13px}
  body[data-family="math"] .auto-status{left:32px;bottom:46px;height:30px;padding:0 12px;font-size:12px}
  .desktop-hero-layers{display:block;position:absolute;inset:0;z-index:2;pointer-events:none}
  .korean-hero-callouts,.math-hero-flow{display:none}
  body[data-family="korean"] .korean-hero-callouts,body[data-family="math"] .math-hero-flow{display:block}
  .korean-hero-callouts .callout{position:absolute;padding:9px 14px;border:1px solid #8c55c2;border-radius:9px;background:rgba(255,255,255,.9);color:#6f3ca5;font-size:13px;font-weight:700;box-shadow:0 4px 12px rgba(80,43,112,.08)}
  .korean-hero-callouts .clue{left:50.7%;top:125px}.korean-hero-callouts .evidence{right:12.1%;top:17px}
  .korean-hero-callouts .hero-quote{position:absolute;left:60.8%;top:90px;width:182px;padding:19px 18px 18px 23px;border:1px solid #e3dfe6;border-radius:10px;background:rgba(255,255,255,.91);color:#283146;font-family:"KoPub Batang","Noto Serif KR",serif;font-size:13px;line-height:1.65;box-shadow:0 8px 22px rgba(52,42,64,.08)}
  .korean-hero-callouts .hero-quote b{display:block;color:#7d4bb3;font-size:28px;line-height:.7}
  .korean-hero-callouts .choice-card{position:absolute;right:12%;top:118px;width:84px;height:113px;padding:14px 12px;border:1px solid #d8d5d7;border-radius:10px;background:rgba(255,255,255,.92);box-shadow:0 7px 17px rgba(40,38,44,.08)}
  .korean-hero-callouts .choice-card b{display:block;margin-bottom:9px;color:#5b5d67;font-size:12px}.korean-hero-callouts .choice-card i{display:block;position:relative;height:13px;border-bottom:3px solid #ddd}.korean-hero-callouts .choice-card i:before{content:"";position:absolute;left:0;bottom:-5px;width:7px;height:7px;border:1px solid #c7c7c7;border-radius:50%;background:#fff}.korean-hero-callouts .choice-card i.checked:before{border-color:#8050b7;background:#8050b7;box-shadow:inset 0 0 0 2px #8050b7}
  .math-hero-flow .hero-formula{position:absolute;left:49.1%;bottom:19px;width:283px;height:46px;padding:9px 17px;border:1px solid #bfd0ef;border-radius:9px;background:rgba(255,255,255,.92);font-family:Georgia,serif;font-size:21px;font-style:italic;box-shadow:0 8px 20px rgba(37,99,235,.08)}
  .math-hero-flow .flow-stack{position:absolute;right:12.9%;top:20px;display:flex;flex-direction:column;gap:7px;width:82px}.math-hero-flow .flow-stack b{height:27px;border-radius:999px;color:#fff;text-align:center;font-size:12px;line-height:27px;background:#4a8df1}.math-hero-flow .flow-stack b:nth-child(2){background:#37b6d5}.math-hero-flow .flow-stack b:nth-child(3){background:#1767e8}.math-hero-flow .flow-stack b:nth-child(4){background:#1eaa70}
  .math-hero-flow .flow-check{position:absolute;right:4.3%;top:58px;width:52px;height:52px;display:grid;place-items:center;border:1px solid #cbd9ef;border-radius:9px;background:rgba(255,255,255,.92);color:#22ad73;font-size:28px;font-weight:900}

  .overview-row{display:grid;align-items:stretch;gap:24px;margin:0}
  body[data-family="korean"] .overview-row{grid-template-columns:minmax(0,885px) minmax(0,1fr)}
  body[data-family="math"] .overview-row{grid-template-columns:minmax(0,776px) minmax(0,1fr);gap:16px;margin-top:18px}
  body[data-family="korean"] .metrics,body[data-family="math"] .metrics{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:0;padding:0}
  body[data-family="korean"] .metric,body[data-family="math"] .metric{min-height:98px;height:98px;padding:0 16px;gap:14px;border-radius:14px;box-shadow:0 5px 16px rgba(30,44,70,.07)}
  body[data-family="math"] .metric{height:98px;min-height:98px;padding:0 14px}
  body[data-family="korean"] .metric-icon,body[data-family="math"] .metric-icon{width:56px;height:56px;border-radius:14px}
  body[data-family="math"] .metric-icon{width:50px;height:50px;border-radius:13px}
  body[data-family="korean"] .metric small,body[data-family="math"] .metric small{font-size:13px}
  body[data-family="korean"] .metric b,body[data-family="math"] .metric b{margin-top:6px;font-size:28px}
  body[data-family="math"] .metric b{font-size:25px}
  body[data-family="korean"] .study-flow,body[data-family="math"] .study-flow{display:flex;min-width:0;height:98px;margin:0;padding:14px 22px;border-radius:14px;box-shadow:0 5px 16px rgba(30,44,70,.06)}
  body[data-family="korean"] .flow-title,body[data-family="math"] .flow-title{min-width:122px}
  body[data-family="korean"] .flow-title small,body[data-family="math"] .flow-title small{display:none}
  body[data-family="korean"] .flow-title b,body[data-family="math"] .flow-title b{font-size:15px}
  body[data-family="korean"] .flow-steps,body[data-family="math"] .flow-steps{flex:1;gap:8px;min-width:0}
  body[data-family="korean"] .flow-step,body[data-family="math"] .flow-step{min-width:0}
  body[data-family="korean"] .flow-step i,body[data-family="math"] .flow-step i{width:31px;height:31px;font-size:12px}
  body[data-family="korean"] .flow-step b,body[data-family="math"] .flow-step b{font-size:11px}
  body[data-family="korean"] .flow-step span,body[data-family="math"] .flow-step span{font-size:10px}

  body[data-family="korean"] .workspace,body[data-family="math"] .workspace{display:grid;align-items:start;border:0;border-radius:0;background:transparent;box-shadow:none;overflow:visible}
  body[data-family="korean"] .workspace{grid-template-columns:minmax(0,884px) minmax(0,1fr);gap:24px;margin-top:15px}
  body[data-family="math"] .workspace{grid-template-columns:minmax(0,1028px) minmax(0,1fr);gap:16px;margin-top:16px}
  body[data-family="korean"] .workspace-main,body[data-family="math"] .workspace-main{position:relative;min-width:0;border:1px solid #dfe4ec;border-radius:15px;background:#fff;box-shadow:0 4px 15px rgba(30,44,70,.045);overflow:hidden}
  body[data-family="korean"] .workspace-head,body[data-family="math"] .workspace-head{height:49px;padding:0 18px}
  body[data-family="korean"] .tab,body[data-family="math"] .tab{height:49px;padding:0 22px;font-size:13px}
  body[data-family="korean"] .tab.active:after,body[data-family="math"] .tab.active:after{left:22px;right:22px;height:2px}
  body[data-family="korean"] .head-cta{display:none}
  body[data-family="math"] .head-cta{position:absolute;z-index:5;right:20px;top:63px;height:34px;padding:0 16px;font-size:12px}
  body[data-family="korean"] .workspace-body,body[data-family="math"] .workspace-body{padding:18px 18px 24px}
  body[data-family="korean"] .tools,body[data-family="math"] .tools{margin-bottom:16px;gap:14px}
  body[data-family="korean"] .tools{grid-template-columns:minmax(280px,1fr) 138px 138px}
  body[data-family="math"] .tools{grid-template-columns:minmax(240px,315px) 130px 130px;padding-right:137px}
  body[data-family="korean"] .search input,body[data-family="korean"] .select-wrap select,body[data-family="math"] .search input,body[data-family="math"] .select-wrap select{height:36px;border-radius:8px;font-size:12px}
  body[data-family="korean"] .note-list,body[data-family="math"] .note-list{gap:14px}
  body[data-family="korean"] .figma-note-card,body[data-family="math"] .figma-note-card{padding:16px;border-radius:12px;box-shadow:none}
  body[data-family="korean"] .figma-note-card .note-title,body[data-family="math"] .figma-note-card .note-title{font-size:16px;line-height:1.35}
  body[data-family="korean"] .figma-note-card .note-meta,body[data-family="math"] .figma-note-card .note-meta{margin-top:6px;font-size:11px}
  body[data-family="korean"] .figma-note-card .note-summary,body[data-family="math"] .figma-note-card .note-summary{display:none}
  body[data-family="korean"] .figma-note-card .analysis-visual,body[data-family="math"] .figma-note-card .analysis-visual{margin-top:12px}
  body[data-family="korean"] .korean-note-visual blockquote{padding:10px 18px 10px 34px;font-size:12px;line-height:1.55}
  body[data-family="korean"] .figma-note-visual .subject-flow{margin-top:10px}
  body[data-family="korean"] .figma-note-visual .subject-flow>div{min-height:77px;padding:8px;border-radius:11px}
  body[data-family="korean"] .figma-note-visual .subject-flow i{width:22px;height:22px;margin-bottom:4px;font-size:9px}
  body[data-family="korean"] .figma-note-visual .subject-flow b{font-size:11px}
  body[data-family="korean"] .figma-note-visual .subject-flow span{margin-top:4px;font-size:9px;line-height:1.35}
  body[data-family="math"] .math-solution-board{grid-template-columns:minmax(0,1.9fr) 220px}
  body[data-family="math"] .math-solution-board li{min-height:43px;padding:5px 9px;grid-template-columns:22px 54px 1fr}
  body[data-family="math"] .math-solution-board li>i{width:20px;height:20px;font-size:9px}
  body[data-family="math"] .math-solution-board li>b,body[data-family="math"] .math-solution-board li>span{font-size:10px}
  body[data-family="math"] .mini-graph svg{height:112px}
  body[data-family="korean"] .note-foot,body[data-family="math"] .note-foot{margin-top:10px}
  body[data-family="korean"] .note-tags span,body[data-family="math"] .note-tags span{padding:4px 8px;font-size:10px}
  body[data-family="korean"] .note-actions button,body[data-family="math"] .note-actions button{height:34px;padding:0 14px;font-size:11px}

  body[data-family="korean"] .rail,body[data-family="math"] .rail{position:static;margin:0;gap:14px}
  body[data-family="korean"] .rail-card,body[data-family="math"] .rail-card{padding:18px;border-radius:13px;box-shadow:0 4px 15px rgba(30,44,70,.045)}
  body[data-family="korean"] .rail-card h2,body[data-family="math"] .rail-card h2{font-size:15px}
  body[data-family="korean"] .review-card{min-height:265px}
  body[data-family="math"] .review-card{min-height:180px}
  body[data-family="korean"] .review-overview{justify-content:flex-start;gap:28px}
  body[data-family="korean"] .review-ring{order:-1;width:92px;height:92px}
  body[data-family="math"] .review-ring{order:-1;width:84px;height:84px}
  body[data-family="korean"] .review-count strong,body[data-family="math"] .review-count strong{font-size:27px}
  body[data-family="korean"] .review-legend{display:none}
  body[data-family="korean"] .korean-review-next{display:block;margin-top:18px;padding:12px 14px;border:1px solid #e5dccd;border-radius:10px;background:#fffdfa}.korean-review-next small,.korean-review-next b,.korean-review-next span{display:block}.korean-review-next small{color:#6e7380;font-size:10px}.korean-review-next small em{margin-left:8px;padding:3px 7px;border-radius:999px;background:#f0e7f8;color:#7445a5;font-style:normal}.korean-review-next b{margin-top:7px;overflow:hidden;color:#17233d;font-size:12px;text-overflow:ellipsis;white-space:nowrap}.korean-review-next span{margin-top:6px;color:#8b8291;font-size:10px}
  body[data-family="korean"] .next-review-card,body[data-family="korean"] .mastery-card,body[data-family="korean"] .coach{display:none}
  body[data-family="math"] .connection-card,body[data-family="math"] .coach{display:none}
  body[data-family="math"] .desktop-family-card,body[data-family="korean"] .streak-card{display:block}
  body[data-family="korean"] .connection-card{min-height:260px}
  body[data-family="korean"] .streak-card{min-height:122px}
  body[data-family="math"] .next-review-card{min-height:114px}
  body[data-family="math"] .mastery-card{min-height:130px}
  body[data-family="math"] .streak-card{min-height:125px}
  .next-review-row{display:flex;align-items:center;justify-content:space-between;margin-top:14px;padding:12px;border:1px solid #dce5f4;border-radius:9px;background:#fbfdff}.next-review-row b,.next-review-row span{display:block}.next-review-row b{font-size:12px}.next-review-row span{margin-top:5px;color:#78859a;font-size:10px}.next-review-row>.ui-icon{color:var(--accent)}
  .mastery-row{display:grid;grid-template-columns:72px 1fr 38px;align-items:center;gap:9px;margin-top:11px;font-size:11px}.mastery-row>i{height:6px;overflow:hidden;border-radius:99px;background:#e8edf5}.mastery-row em{display:block;width:0;height:100%;border-radius:inherit;background:var(--accent)}.mastery-row:nth-child(3) em{background:#10a6b7}.mastery-row:nth-child(4) em{background:#23ad78}.mastery-row b{text-align:right}
  .streak-body{display:flex;align-items:baseline;gap:7px;margin-top:16px}.streak-body>strong{color:var(--accent);font-size:32px}.streak-body>span{font-size:12px}.streak-week{display:grid;grid-template-columns:repeat(7,1fr);gap:7px;margin-left:auto}.streak-week i{width:29px;height:29px;display:grid;place-items:center;border:1px solid #dbe4f0;border-radius:50%;background:#fff;color:#526176;font-size:9px;font-style:normal}.streak-week i:nth-child(-n+6){background:var(--accent);border-color:var(--accent);color:#fff}
}

@media(max-width:1023px){
  .overview-row{display:block}
  .workspace-main{min-width:0}
  .desktop-family-card{display:none!important}
  body[data-family="korean"] .hero-art{content:url("./korean-hero-codia.png")}
  body[data-family="math"] .hero-art{content:url("./math-hero-codia.png")}
  .desktop-title-break{display:none}
}

/* ── Subject-specific note identities · 2026-08-18 ────────────────────────
   Counts, cards and review state remain API-driven. These selectors only give
   every subject its own learning identity and keep the generated SVG visible. */
body[data-subject="history"],body[data-subject="history_cert"],body[data-subject="east-asian-history"],body[data-subject="world-history"]{
  --accent:#a65f43;--accent-2:#ca815d;--accent-deep:#84462f;--accent-soft:#f8eee8;--accent-line:#ebcbbd;--accent-ink:#965239;
  --chip-bg:#f9f0ea;--chip-line:#eed8cd;--chip-ink:#9b6048;
}
body[data-subject="life-and-ethics"],body[data-subject="ethics-and-thought"]{
  --accent:#7958b3;--accent-2:#9a70ca;--accent-deep:#5f3d95;--accent-soft:#f3edfa;--accent-line:#dfcff0;--accent-ink:#68459e;
  --chip-bg:#f5effb;--chip-line:#e6d8f3;--chip-ink:#7653a5;
}
body[data-subject="korean-geography"],body[data-subject="world-geography"]{
  --accent:#168795;--accent-2:#31a7aa;--accent-deep:#0c6b78;--accent-soft:#e9f7f6;--accent-line:#c6e8e5;--accent-ink:#117784;
}
body[data-subject="economics"]{
  --accent:#1f835f;--accent-2:#43a878;--accent-deep:#176647;--accent-soft:#eaf7ef;--accent-line:#c9e8d5;--accent-ink:#1c7655;
}
body[data-subject="politics-and-law"]{
  --accent:#4d63a4;--accent-2:#7387c4;--accent-deep:#384c87;--accent-soft:#edf0fa;--accent-line:#d5dcf0;--accent-ink:#455991;
}
body[data-subject="society-and-culture"]{
  --accent:#a15279;--accent-2:#c36f96;--accent-deep:#823e60;--accent-soft:#faedf3;--accent-line:#efd1df;--accent-ink:#91486b;
}
body[data-subject="chemistry-1"],body[data-subject="chemistry-2"]{
  --accent:#7155b5;--accent-2:#9470cf;--accent-deep:#563b91;--accent-soft:#f1edfb;--accent-line:#ddd4f2;--accent-ink:#6549a4;
}
body[data-subject="life-science-1"],body[data-subject="life-science-2"]{
  --accent:#27835e;--accent-2:#4da779;--accent-deep:#1b6949;--accent-soft:#eaf7ef;--accent-line:#cae8d5;--accent-ink:#217553;
}
body[data-subject="earth-science-1"],body[data-subject="earth-science-2"]{
  --accent:#337b9d;--accent-2:#4ea3bc;--accent-deep:#265f7c;--accent-soft:#eaf5f7;--accent-line:#cbe4e9;--accent-ink:#2d708e;
}
body:not([data-family="korean"]):not([data-family="math"]) .hero-art{
  content:normal!important;display:block;right:84px;top:20px;width:318px;height:158px;opacity:.88;
}
body[data-family="science"] .hero-copy{max-width:850px;padding-right:315px}
body[data-family="science"] .hero h1{font-size:40px}
body[data-family="science"] .hero p{max-width:720px}

@media(max-width:1023px){
  body:not([data-family="korean"]):not([data-family="math"]) .hero-art{
    content:normal!important;display:block;right:10px;top:40px;width:250px;height:142px;opacity:.66!important;
  }
  body[data-family="science"] .hero-copy{max-width:none;padding-right:0}
}

@media(max-width:560px){
  body:not([data-family="korean"]):not([data-family="math"]) .hero-art{
    right:-16px;top:66px;width:190px;height:112px;opacity:.34!important;
  }
  body:not([data-family="korean"]):not([data-family="math"]) .hero-copy{position:relative;z-index:3}
  body:not([data-family="korean"]):not([data-family="math"]) .hero h1{max-width:78%}
  body:not([data-family="korean"]):not([data-family="math"]) .hero p{max-width:70%}
}

/* Navi-Guide: the 04 and 06 LayerLab panels retain editable record content. */
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[hidden]{display:none!important}
.recorded-text{white-space:pre-wrap;overflow-wrap:anywhere}
.recorded-choices{padding:12px 20px 12px 44px;line-height:1.8}
body.navi-notebook[data-notebook]{--navy:#061947;--accent:#1256ff;--muted:#61789f;--line:#dae6f6;color:#061947;background:#f8fcff url('/assets/navi-guide-design/04-notebook-grid-tile.png') repeat;background-size:160px 160px;font-family:Pretendard,'Noto Sans KR',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif}
body.navi-notebook .hero,body.navi-notebook .overview-row,body.navi-notebook .workspace>.rail,body.navi-notebook .head-cta{display:none!important}
body.navi-notebook[data-notebook] .topbar{position:relative;top:auto;height:69px;padding:0 20px;background:rgba(255,255,255,.96);border-bottom:1px solid #dce7f5;box-shadow:none;gap:0}
body.navi-notebook[data-notebook] .brand{gap:14px;margin-right:auto}
body.navi-notebook[data-notebook] .brand-mark{width:42px;height:42px;border-radius:11px;background:linear-gradient(135deg,#6291ff,#1556ee);font-family:Georgia,serif;font-size:24px;box-shadow:0 5px 13px #3773ff25}
body.navi-notebook[data-notebook] .brand b{font-size:22px;letter-spacing:-.035em}
body.navi-notebook[data-notebook] .subject-picker{position:relative;left:auto;transform:none;margin-left:20px}
body.navi-notebook[data-notebook] .subject-picker select{height:42px;min-width:207px;padding-left:45px;border-radius:10px;font-size:14px;background:#fff}
body.navi-notebook[data-notebook] .picker-icon{display:block;color:#1256ff}
body.navi-notebook[data-notebook] .top-actions{gap:13px;margin-left:22px}
body.navi-notebook[data-notebook] .top-nav-action{height:44px;border-radius:10px;font-size:13px}
body.navi-notebook[data-notebook] .top-user{padding:0;border:0;background:none;gap:8px}
body.navi-notebook[data-notebook] .top-user b{display:block;font-size:13px}
body.navi-notebook[data-notebook] .top-avatar{width:39px;height:39px;border:4px solid #edf1f6;font-size:20px}
body.navi-notebook[data-notebook] .icon-button{width:45px;height:44px;border-radius:11px}
body.navi-notebook[data-notebook] .page{max-width:1536px;padding:13px 52px 20px;margin:0 auto}
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.ng-banner>div{position:relative;z-index:1}
.ng-banner h1{margin:0;font-size:26px;line-height:1.32;font-weight:800;letter-spacing:-.05em}
.ng-banner p{margin:3px 0 0;font-size:15px;line-height:1.5;color:#536fa0;letter-spacing:-.035em}
.ng-banner-art{position:absolute;right:8px;top:0;width:380px;height:94px;opacity:.8;pointer-events:none}
.ng-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:15px 0 16px}
.ng-stat{display:flex;align-items:center;gap:26px;height:94px;border:1px solid #dce7f6;border-radius:13px;padding:0 20px;background:#fff;box-shadow:0 4px 11px #33649b05}
.ng-stat>img{width:62px;height:60px;object-fit:contain;border-radius:12px}
.ng-stat>div>span{display:block;color:#48628f;font-size:15px;line-height:1.4}
.ng-stat strong{display:block;margin-top:1px;font-size:30px;line-height:1.15;font-weight:750;letter-spacing:-.025em}
.ng-stat strong small{font-size:15px;font-weight:400;margin-left:7px;color:#385580}
body.navi-notebook[data-notebook] .workspace{display:grid;grid-template-columns:minmax(0,1fr) 352px;gap:12px;align-items:start;border:0;border-radius:0;background:none;box-shadow:none;overflow:visible}
body.navi-notebook[data-notebook] .workspace-main{border:1px solid #dbe7f6;border-radius:14px;overflow:hidden;background:#fff;min-width:0;min-height:703px;box-shadow:0 5px 13px #37689804}
body.navi-notebook[data-notebook="analysis"] .workspace-main{min-height:698px}
body.navi-notebook[data-notebook] .workspace-head{height:53px;padding:0 19px;gap:0;border-bottom:1px solid #e0e9f6}
body.navi-notebook[data-notebook] .tabs{gap:8px;overflow:auto}
body.navi-notebook[data-notebook] .tab{position:relative;min-width:0;padding:0 19px;border:0;border-radius:0;background:none;color:#48618c;font-size:15px;line-height:1.2;white-space:nowrap;box-shadow:none}
body.navi-notebook[data-notebook] .tab:first-child{padding-left:19px}
body.navi-notebook[data-notebook] .tab.active{color:#0758ff;font-weight:700}
body.navi-notebook[data-notebook] .tab.active:after{content:"";position:absolute;left:17px;right:17px;bottom:0;height:3px;background:#246bff;border-radius:2px}
body.navi-notebook[data-notebook] .tab b{font-weight:700;margin-left:4px}
body.navi-notebook[data-notebook] .workspace-body{padding:14px 18px 17px}
body.navi-notebook[data-notebook] .tools{display:grid;grid-template-columns:320px 148px 148px 148px;gap:16px;margin:0 0 23px;align-items:center}
body.navi-notebook[data-notebook] .tools>.select-wrap:has(#sourceFilter){display:none}
body.navi-notebook[data-notebook] .search{height:40px;border:1px solid #d5e0f1;border-radius:9px;background:#fff;box-shadow:none}
body.navi-notebook[data-notebook] .search>.ui-icon{width:20px;height:20px;left:17px;color:#627a9e}
body.navi-notebook[data-notebook] .search input{height:38px;padding-left:50px;font-size:14px;background:transparent;border:0;letter-spacing:-.03em;color:#102750}
body.navi-notebook[data-notebook] .search input::placeholder{color:#6e82a4}
body.navi-notebook[data-notebook] .select-wrap select{height:40px;padding:0 34px 0 15px;border:1px solid #d5e0f1;border-radius:9px;background:#fff;color:#09214b;font-weight:600;font-size:13px;text-overflow:ellipsis;letter-spacing:-.025em}
body.navi-notebook[data-notebook] .select-wrap>.select-icon{display:none}
body.navi-notebook[data-notebook] .select-wrap .caret{right:18px;color:#667b9d}
body.navi-notebook[data-notebook] .list-head{position:static;width:auto;overflow:visible;clip:auto;white-space:normal;display:flex;align-items:center;justify-content:space-between;gap:12px;height:43px;margin:0 0 15px;padding:0 2px;color:#061947}
body.navi-notebook[data-notebook] #resultCount{font-size:26px;font-weight:800;letter-spacing:-.045em;white-space:nowrap}
body.navi-notebook[data-notebook="analysis"] #resultCount{font-size:23px}
body.navi-notebook[data-notebook] #resultCount small{font-size:13px;font-weight:400;letter-spacing:-.02em;color:#6c82ab;margin-left:10px}
body.navi-notebook[data-notebook] #loadState{font-size:11px;color:#6d809e;max-width:130px}
body.navi-notebook[data-notebook] #loadState:empty{display:none}
.ng-pager{display:flex;align-items:center;justify-content:flex-end;gap:5px;margin-left:auto;white-space:nowrap}
.ng-pager>span{font-size:13px;color:#617797;margin-right:16px}
.ng-pager>button{display:grid;place-items:center;height:35px;min-width:32px;padding:0 8px;border:1px solid #d6e0ef;border-radius:8px;background:#fff;color:#213d6f;font-size:15px;cursor:pointer}
.ng-pager>button.active{border-color:#709dff;color:#0755ff;font-weight:700;background:#f1f7ff;box-shadow:inset 0 0 0 3px #fff}
.ng-pager>button:disabled{opacity:.45;cursor:default}
.ng-notice{display:flex;align-items:center;gap:12px;justify-content:space-between;margin:0 0 12px;border:1px solid #f3d59c;border-radius:9px;background:#fffbf3;padding:10px 12px;font-size:12px;line-height:1.5;color:#76552e}
.ng-notice button{flex:none;background:#fff;border:1px solid #e7c485;border-radius:7px;padding:6px 10px;color:#684416;cursor:pointer}
body.navi-notebook[data-notebook] .note-list{display:flex;flex-direction:column;gap:14px;min-width:0}
.ng-row{background:#fff;border:1px solid #d7e4f7;border-radius:11px;min-width:0;box-shadow:0 2px 3px #416cad02}
.wrong-row{min-height:155px;padding:11px 20px 13px}
.ng-wrong-heading,.ng-row-heading{display:flex;align-items:center;gap:7px;min-width:0}
.ng-row-heading{gap:12px;min-height:24px}
.ng-row-heading>b{font-size:16px;line-height:1.4;letter-spacing:-.04em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ng-dot{font-weight:400;margin:0 10px}
.ng-row-heading>time{color:#7086ac;font-size:13px;line-height:1.5;white-space:nowrap}
.ng-status{display:inline-flex;align-items:center;justify-content:center;white-space:nowrap;border-radius:999px;background:#f0f3f8;color:#556b91;min-height:27px;padding:4px 15px;font-size:12px;font-weight:600;line-height:1.2}
.ng-status.wrong{background:#ffebed;color:#e52635}
.ng-status.done{background:#e3f8ef;color:#078b64}
.ng-status.done.blue{background:#e9f2ff;color:#0057ff}
.ng-question-confidence{display:grid;grid-template-columns:minmax(0,1fr) 316px;align-items:center;gap:18px;margin:8px 0 10px}
.ng-question{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;min-height:44px;max-height:64px;padding:10px 19px;border-radius:9px;background:linear-gradient(105deg,#f1f6fc,#f6f9fc);font-size:20px;font-weight:600;line-height:1.35;letter-spacing:-.025em;overflow-wrap:anywhere}
.ng-confidence-hint{display:flex;align-items:center;gap:8px;margin:0;color:#4e6b98;font-size:13px;line-height:1.4;letter-spacing:-.035em}
.ng-confidence-hint>span{font-size:19px}
.ng-confidence{display:inline-flex;align-items:center;justify-content:center;width:max-content;max-width:100%;gap:6px;padding:8px 16px;border-radius:999px;background:#eef6ff;color:#095cff;font-size:13px;line-height:1.1;white-space:nowrap;letter-spacing:-.03em}
.ng-confidence>span{font-size:17px;line-height:12px}
.ng-confidence.sure{background:#eaf9f3;color:#07855f}
.ng-confidence.guess{background:#fff0f1;color:#e72839}
.ng-confidence.unknown{background:#f0f3f7;color:#637594}
.ng-row-footer,.ng-answer-row,.ng-actions{display:flex;align-items:center;gap:12px;min-width:0}
.ng-row-footer{justify-content:space-between;gap:16px}
.ng-answer-row{gap:14px;flex-wrap:wrap}
.ng-answer{display:inline-flex;align-items:center;gap:16px;padding:7px 14px 7px 18px;min-height:38px;max-width:100%;background:#f0f5fd;border-radius:10px;line-height:1.2;font-size:14px;overflow-wrap:anywhere}
.ng-answer>b{font-size:20px;line-height:1.2;font-weight:650;letter-spacing:-.035em;overflow-wrap:anywhere}
.ng-answer.mine{background:#edf5ff;color:#0654ef}
.ng-answer.correct{background:#f1f4f8;color:#143666}
.ng-answer.correct>span{color:#536889}
.ng-actions{gap:11px;flex-shrink:0}
.ng-button{display:inline-flex;align-items:center;justify-content:center;gap:10px;border:1px solid #bdcee8;border-radius:9px;padding:0 18px;min-height:41px;background:#fff;color:#08234f;font-size:13px;line-height:1.3;font-weight:600;letter-spacing:-.035em;white-space:nowrap;text-decoration:none;cursor:pointer;box-shadow:none}
body.navi-notebook .ng-button.primary{color:#fff;background:linear-gradient(180deg,#286dff,#0855ff);border-color:#2467ff;box-shadow:0 4px 9px #155dff16}
.ng-button.primary>span{font-size:22px;font-weight:400;line-height:1}
.ng-button.secondary.accent{color:#0956ff;border-color:#afc9ff}
.ng-button:disabled{opacity:.5;cursor:not-allowed;box-shadow:none}
.ng-button:focus-visible,.ng-pager button:focus-visible,.ng-history-link:focus-visible{outline:3px solid #729bff;outline-offset:3px}
.wrong-row .ng-button.primary{min-width:174px}
.wrong-row .ng-button.secondary{min-width:124px}
.ng-unavailable{margin:7px 0 0;color:#7585a0;font-size:11px;line-height:1.4;overflow-wrap:anywhere}
.ng-rail{display:flex;flex-direction:column;gap:15px;min-width:0}
.ng-rail-card{border:1px solid #dce8f7;border-radius:14px;background:#fff;padding:19px 23px 20px;box-shadow:0 4px 12px #35669e04;color:#071b45}
.ng-rail-card h2{display:flex;align-items:center;gap:11px;margin:0;font-size:18px;line-height:1.4;font-weight:750;letter-spacing:-.04em}
.ng-rail-card h2>img{width:37px;height:38px;object-fit:contain;flex:none;border-radius:10px}
.ng-rail-card p{margin:8px 0 0;color:#4a6593;font-size:14px;line-height:1.7;letter-spacing:-.035em}
.ng-rail-card .full{width:100%;min-height:44px;font-size:14px;margin-top:18px}
.ng-due-card{min-height:246px}
.ng-large-count{margin:17px 0 0;font-size:52px;line-height:1;font-weight:800;letter-spacing:-.07em}
.ng-large-count>span{font-size:26px;font-weight:750;letter-spacing:-.065em;margin-left:2px}
.ng-due-card p{margin-top:8px}
.ng-due-card .full{margin-top:18px}
.ng-confidence-guide{min-height:183px;padding:17px 18px 19px}
.ng-confidence-guide h2{font-size:17px}
.ng-confidence-guide p{margin-top:6px}
.ng-confidence-legend{display:flex;gap:7px;align-items:center;margin-top:14px;white-space:nowrap}
.ng-confidence-legend>span{border:1px solid #c7efdf;border-radius:12px;background:#e9f9f2;padding:9px 10px;font-size:11px;font-weight:600;letter-spacing:-.05em;color:#05845e}
.ng-confidence-legend>.maybe{border-color:#ffecd0;background:#fff6e5;color:#975600}
.ng-confidence-legend>.guess{border-color:#ffd7dc;background:#fff0f1;color:#d72236}
.ng-history-link{display:flex;align-items:center;gap:13px;width:100%;min-height:105px;padding:19px;text-align:left;cursor:pointer}
.ng-history-link>img{width:43px;height:44px;object-fit:contain;flex:none;border-radius:11px}
.ng-history-link>span:nth-child(2){flex:1}
.ng-history-link b{display:block;font-size:16px;letter-spacing:-.04em;font-weight:700}
.ng-history-link b>i{font-style:normal;color:#0659ff;margin-left:4px}
.ng-history-link small{display:block;color:#5977a2;font-size:12px;line-height:1.6;margin-top:7px;letter-spacing:-.04em}
.ng-history-link>span:last-child{color:#637da6;font-size:31px;line-height:1}
.ng-continue-card{min-height:257px}
.ng-priority{display:inline-block;margin-top:16px;padding:5px 14px;background:#e8f1ff;color:#0657ff;border-radius:999px;font-size:13px;font-weight:600}
.ng-continue-card h3{margin:12px 0 0;font-size:21px;line-height:1.35;font-weight:750;letter-spacing:-.055em;overflow-wrap:anywhere}
.ng-continue-card p{font-size:13px;margin-top:6px}
.ng-continue-card .full{margin-top:19px}
.ng-rail-empty{margin-top:29px;color:#254474;font-size:15px}
.ng-rail-empty p{font-size:12px;line-height:1.6}
.ng-history-guide{min-height:319px;padding:17px 19px 19px}
.ng-history-guide h2{margin-bottom:17px}
.ng-guide-step{display:flex;align-items:center;gap:17px;min-height:51px;border:1px solid #dce7f8;border-radius:10px;margin-top:8px;padding:5px 9px;font-size:14px;letter-spacing:-.04em}
.ng-guide-step>img{width:38px;height:38px;object-fit:contain;border-radius:9px;flex:none}
.ng-history-guide .full{margin-top:16px;color:#0657ff;border-color:#e8eef8;min-height:44px}
body.navi-notebook[data-notebook="analysis"] .tools{margin-bottom:16px}
body.navi-notebook[data-notebook="analysis"] .list-head{height:33px;margin-bottom:13px}
body.navi-notebook[data-notebook="analysis"] .note-list{gap:12px}
body.navi-notebook[data-notebook="analysis"] .ng-pager>span{font-size:11px;margin-right:4px}
body.navi-notebook[data-notebook="analysis"] .ng-pager>button{height:29px;min-width:27px;padding:0 6px;font-size:12px}
.analysis-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:18px;min-height:162px;padding:15px 20px 14px;border-color:#c8ddff}
.ng-analysis-left{display:flex;flex-direction:column;gap:9px;min-width:0;padding-right:18px;border-right:1px solid #e1eaff}
.ng-analysis-left .ng-row-heading{gap:11px}
.ng-analysis-left .ng-row-heading>b{font-size:14px}
.ng-analysis-left .ng-row-heading>time{font-size:11px}
.ng-analysis-left .ng-status{padding:4px 13px;min-height:26px;font-size:12px}
.ng-analysis-left .ng-question{padding:9px 17px;font-size:17px;min-height:44px}
.ng-analysis-left .ng-answer-row{gap:10px;flex-wrap:nowrap;margin-top:4px}
.ng-analysis-left .ng-answer{padding:8px 12px;gap:13px;font-size:13px;min-height:36px}
.ng-analysis-left .ng-answer>b{font-size:18px}
.ng-analysis-left .ng-confidence{padding:9px 13px;font-size:12px;white-space:normal;line-height:1.2;min-height:35px}
.ng-analysis-right{display:flex;flex-direction:column;gap:10px;min-width:0;padding-top:3px}
.ng-insight{display:flex;align-items:center;gap:12px;min-width:0;min-height:30px;border-radius:8px;background:linear-gradient(90deg,#fff,#f5f8fb);font-size:12px;line-height:1.5;color:#48618d}
.ng-insight>b{flex:none;display:flex;align-items:center;justify-content:center;min-height:30px;min-width:84px;border-radius:8px;background:#ffecee;color:#dc2738;font-weight:600;padding:4px 10px}
.ng-insight.next{background:none}
.ng-insight.next>b{color:#04996c;background:#e8f8ef}
.ng-insight>span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}
.ng-analysis-right .ng-actions{gap:10px;margin-top:auto}
.ng-analysis-right .ng-button{flex:1;min-width:0;padding:0 12px;font-size:12px;min-height:39px;border-radius:8px}
.ng-analysis-right .ng-button:first-child{flex:1.2}
.ng-analysis-right .ng-button:last-child{flex:.72}
.ng-analysis-right .ng-unavailable{margin:0;font-size:10px}
body.navi-notebook[data-notebook] .review-fab{display:none}
body.navi-notebook[data-notebook] .empty{min-height:320px;border:1px dashed #d5e3f5;background:#fbfdff;display:flex;flex-direction:column;justify-content:center}
body.navi-notebook[data-notebook] .skeleton{height:155px;border-radius:11px}
@media(min-width:1024px) and (max-width:1390px){
  body.navi-notebook[data-notebook] .page{padding-left:28px;padding-right:28px}
  body.navi-notebook[data-notebook] .workspace{grid-template-columns:minmax(0,1fr) 306px}
  body.navi-notebook[data-notebook] .tools{grid-template-columns:minmax(160px,1fr) 132px 140px 132px;gap:10px}
  body.navi-notebook[data-notebook] .tabs{gap:12px}
  body.navi-notebook[data-notebook] .tab{padding:0 13px}
  .ng-question-confidence{grid-template-columns:minmax(0,1fr) 255px;gap:12px}
  .wrong-row{padding-left:15px;padding-right:15px}
  .wrong-row .ng-button.primary{min-width:144px}
  .wrong-row .ng-button.secondary{min-width:90px}
  .ng-actions{gap:8px}
  .ng-button{padding:0 12px}
  .ng-answer-row{gap:9px}
  .ng-answer{gap:9px;padding:7px 11px}
  .ng-answer>b{font-size:17px}
  .ng-rail-card{padding-left:18px;padding-right:18px}
  .ng-rail-card h2{font-size:17px;gap:8px}
  .ng-confidence-legend{gap:5px}
  .ng-confidence-legend>span{padding:8px 7px;font-size:10px}
  .ng-history-link{padding:17px 14px;gap:8px}
  .ng-history-link b{font-size:14px}
  .analysis-row{gap:12px;padding:13px 14px;min-height:179px}
  .ng-analysis-left{padding-right:12px}
  .ng-analysis-left .ng-row-heading{flex-wrap:wrap;gap:3px 9px}
  .ng-analysis-left .ng-answer-row{flex-wrap:wrap;gap:6px}
  .ng-analysis-left .ng-confidence{padding:5px 10px;min-height:27px}
  .ng-analysis-right .ng-button{padding:0 7px;white-space:normal;font-size:11px}
  .ng-pager>span{font-size:11px;margin-right:5px}
  body.navi-notebook[data-notebook] #resultCount{font-size:23px}
  body.navi-notebook[data-notebook] #resultCount small{display:none}
}
@media(max-width:1023px){
  body.navi-notebook[data-notebook] .topbar{height:65px;padding:0 18px;flex-wrap:nowrap;gap:10px}
  body.navi-notebook[data-notebook] .brand b{font-size:18px}
  body.navi-notebook[data-notebook] .brand-mark{width:36px;height:36px;font-size:22px}
  body.navi-notebook[data-notebook] .subject-picker{margin-left:auto}
  body.navi-notebook[data-notebook] .subject-picker select{min-width:148px;width:148px;font-size:13px;height:39px;padding-left:33px}
  body.navi-notebook[data-notebook] .top-actions{gap:8px;margin-left:0}
  body.navi-notebook[data-notebook] .top-actions .back-action,body.navi-notebook[data-notebook] .top-actions .bug-action,body.navi-notebook[data-notebook] .top-user{display:none}
  body.navi-notebook[data-notebook] .page{padding:16px 18px 90px}
  .ng-banner{height:auto;min-height:105px;padding:20px 22px}
  .ng-banner h1{font-size:23px;max-width:620px}
  .ng-banner p{font-size:14px;max-width:540px}
  .ng-banner-art{opacity:.24;right:-25px}
  .ng-metrics{margin:12px 0 14px;gap:10px}
  .ng-stat{height:86px;padding:0 15px;gap:14px}
  .ng-stat>img{width:44px;height:44px}
  .ng-stat>div>span{font-size:12px}
  .ng-stat strong{font-size:26px}
  body.navi-notebook[data-notebook] .workspace{grid-template-columns:minmax(0,1fr);gap:14px}
  body.navi-notebook[data-notebook] .workspace-main{min-height:unset}
  body.navi-notebook[data-notebook] .workspace-head{height:54px;padding:0 15px}
  body.navi-notebook[data-notebook] .tabs{gap:15px}
  body.navi-notebook[data-notebook] .tab{padding:0 14px;font-size:14px}
  body.navi-notebook[data-notebook] .workspace-body{padding:14px 15px 17px}
  body.navi-notebook[data-notebook] .tools{grid-template-columns:minmax(180px,1fr) 130px 135px 120px;gap:10px;margin-bottom:18px}
  body.navi-notebook[data-notebook] .list-head{height:auto;min-height:40px;margin-bottom:12px;flex-wrap:wrap}
  body.navi-notebook[data-notebook] #resultCount{font-size:23px}
  .ng-row{padding:13px 16px;min-height:unset}
  .ng-question-confidence{grid-template-columns:minmax(0,1fr) 260px}
  .ng-question{font-size:17px}
  .ng-row-footer{flex-wrap:wrap;gap:10px}
  .ng-row-footer>.ng-actions{margin-left:auto}
  .ng-rail{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .ng-rail-card{min-height:unset}
  .ng-history-link{grid-column:1/-1}
  .ng-due-card{grid-row:span 2}
  .ng-due-card .full{margin-top:22px}
  .analysis-row{gap:15px;min-height:182px}
  .ng-analysis-left{padding-right:15px}
  .ng-analysis-left .ng-row-heading{flex-wrap:wrap;gap:4px 8px}
  .ng-analysis-left .ng-answer-row{flex-wrap:wrap;gap:7px}
  .ng-analysis-right .ng-actions{gap:6px;flex-wrap:wrap}
  .ng-analysis-right .ng-button{padding:0 8px;font-size:11px}
  .ng-history-guide{min-height:295px}
  body.navi-notebook[data-notebook] #resultCount small{display:none}
}
@media(max-width:680px){
  body.navi-notebook[data-notebook] .topbar{padding:0 12px;gap:7px;height:61px}
  body.navi-notebook[data-notebook] .brand{gap:8px}
  body.navi-notebook[data-notebook] .brand b{font-size:16px}
  body.navi-notebook[data-notebook] .brand-mark{width:33px;height:33px;font-size:20px}
  body.navi-notebook[data-notebook] .subject-picker select{width:116px;min-width:116px;padding-left:28px;padding-right:24px;font-size:12px}
  body.navi-notebook[data-notebook] .picker-icon{left:9px;width:14px;height:14px}
  body.navi-notebook[data-notebook] .subject-picker .caret{right:10px}
  body.navi-notebook[data-notebook] .icon-button{width:34px;height:37px}
  body.navi-notebook[data-notebook] .page{padding:12px 10px 92px}
  .ng-banner{min-height:110px;padding:18px 17px;border-radius:11px}
  .ng-banner h1{font-size:21px;max-width:330px;line-height:1.4;word-break:keep-all}
  .ng-banner p{font-size:12px;max-width:340px;word-break:keep-all;margin-top:5px}
  .ng-banner-art{right:-100px;width:300px;height:110px}
  .ng-metrics{gap:7px;margin:10px 0 12px}
  .ng-stat{padding:11px 10px;gap:7px;height:91px;align-items:flex-start;position:relative;border-radius:11px}
  .ng-stat>img{width:29px;height:29px;position:absolute;right:7px;bottom:13px}
  .ng-stat>div{position:relative;z-index:1}
  .ng-stat>div>span{font-size:11px;white-space:nowrap;letter-spacing:-.05em}
  .ng-stat strong{font-size:27px;line-height:1.4;margin-top:4px}
  .ng-stat strong small{font-size:12px;margin-left:4px}
  body.navi-notebook[data-notebook] .workspace-head{height:49px;padding:0 9px}
  body.navi-notebook[data-notebook] .tabs{gap:0;width:100%;justify-content:space-between}
  body.navi-notebook[data-notebook] .tab{padding:0 8px;font-size:12px;flex-shrink:0}
  body.navi-notebook[data-notebook] .tab:first-child{padding-left:7px}
  body.navi-notebook[data-notebook] .tab.active:after{left:6px;right:6px}
  body.navi-notebook[data-notebook] .tab b{margin-left:3px}
  body.navi-notebook[data-notebook] .workspace-body{padding:12px 10px 14px}
  body.navi-notebook[data-notebook] .tools{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-bottom:13px}
  body.navi-notebook[data-notebook] .search{grid-column:1/-1;width:100%}
  body.navi-notebook[data-notebook] .select-wrap select{padding-left:10px;padding-right:23px;font-size:11px;height:37px}
  body.navi-notebook[data-notebook] .select-wrap .caret{right:11px;width:6px;height:6px}
  body.navi-notebook[data-notebook] .list-head{display:flex;align-items:flex-start;gap:7px;padding:0;margin-bottom:10px}
  body.navi-notebook[data-notebook] #resultCount,body.navi-notebook[data-notebook="analysis"] #resultCount{font-size:21px}
  .ng-pager{width:100%;gap:4px;margin-top:1px}
  .ng-pager>span{font-size:11px;margin-right:auto}
  .ng-pager>button{min-width:28px;height:29px;font-size:12px;padding:0 5px}
  .ng-row{border-radius:10px;padding:12px;min-height:unset}
  .ng-wrong-heading{flex-wrap:wrap;gap:5px}
  .ng-row-heading{gap:6px;flex-wrap:wrap;flex:1;min-width:160px}
  .ng-row-heading>b{font-size:13px;max-width:100%;white-space:normal}
  .ng-row-heading>time{font-size:10px}
  .ng-dot{margin:0 6px}
  .ng-status{font-size:10px;padding:4px 9px;min-height:23px}
  .ng-question-confidence{display:flex;flex-direction:column;align-items:stretch;gap:8px;margin:9px 0}
  .ng-question{font-size:16px;padding:10px 12px;max-height:none;-webkit-line-clamp:3;min-height:44px}
  .ng-confidence-hint{font-size:11px}
  .ng-confidence-hint>span{font-size:15px}
  .ng-confidence{font-size:11px;padding:7px 10px}
  .ng-row-footer{display:flex;flex-direction:column;align-items:stretch;gap:10px}
  .ng-answer-row{gap:8px}
  .ng-answer{gap:10px;font-size:12px;padding:7px 10px;min-height:34px}
  .ng-answer>b{font-size:16px}
  .ng-row-footer>.ng-actions{margin:0;display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:6px;width:100%}
  .wrong-row .ng-button.primary,.wrong-row .ng-button.secondary{min-width:0;min-height:38px;padding:0 5px;font-size:11px;gap:5px}
  .ng-button.primary>span{font-size:17px}
  .ng-unavailable{font-size:10px;line-height:1.4}
  .ng-rail{display:flex;flex-direction:column;gap:12px}
  .ng-rail-card{padding:17px 18px;border-radius:12px}
  .ng-due-card{display:grid;grid-template-columns:1fr auto;gap:8px 12px}
  .ng-due-card h2{grid-column:1/-1;font-size:17px}
  .ng-large-count{font-size:38px;margin:4px 0 0}
  .ng-large-count>span{font-size:20px}
  .ng-due-card p{align-self:center;margin:0;font-size:12px;max-width:185px}
  .ng-due-card .full{grid-column:1/-1;margin-top:3px}
  .ng-confidence-legend{gap:10px}
  .ng-history-link{min-height:98px}
  .analysis-row{display:flex;flex-direction:column;gap:12px;padding:12px}
  .ng-analysis-left{padding:0 0 11px;border-right:0;border-bottom:1px solid #e1eaff;gap:8px}
  .ng-analysis-left .ng-row-heading{min-height:24px;gap:6px}
  .ng-analysis-left .ng-row-heading>b{font-size:13px}
  .ng-analysis-left .ng-row-heading>time{font-size:10px}
  .ng-analysis-left .ng-status{font-size:10px;min-height:22px;padding:4px 8px}
  .ng-analysis-left .ng-question{padding:10px 12px;font-size:16px}
  .ng-analysis-left .ng-answer-row{margin-top:0;gap:7px}
  .ng-analysis-left .ng-answer{min-height:31px;padding:7px 9px;font-size:11px;gap:9px}
  .ng-analysis-left .ng-answer>b{font-size:16px}
  .ng-analysis-left .ng-confidence{font-size:10px;padding:7px 8px;min-height:30px;white-space:nowrap}
  .ng-analysis-right{gap:8px;padding:0}
  .ng-insight{font-size:11px;gap:9px}
  .ng-insight>b{min-width:72px;padding:4px 7px;min-height:28px}
  .ng-insight>span{white-space:normal;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden}
  .ng-analysis-right .ng-actions{flex-wrap:nowrap;margin-top:3px;gap:6px}
  .ng-analysis-right .ng-button{padding:0 6px;font-size:10px;min-height:37px;white-space:normal;word-break:keep-all;gap:4px}
  .ng-continue-card{min-height:235px}
}
/* Final desktop geometry: 44 px prompt band, 155 px wrong cards. */
@media(min-width:1391px){
  .wrong-row{padding-top:10px;padding-bottom:11px}
  .wrong-row .ng-question{line-height:1.2}
  .analysis-row{grid-template-columns:minmax(0,1.06fr) minmax(0,1fr)}
  .ng-analysis-left .ng-answer{padding:8px 10px;gap:9px;font-size:12px;flex:none}
  .ng-analysis-left .ng-answer>b{font-size:16px;white-space:nowrap}
  .ng-analysis-left .ng-confidence{padding:9px 10px;font-size:12px}
  .ng-analysis-left .ng-answer-row{gap:9px}
}
.ng-answer>span{white-space:nowrap}
.ng-confidence>svg{width:16px;height:16px;flex:none;fill:none;stroke:currentColor;stroke-width:1.4}
.ng-pager>span:first-child{font-size:13px;font-weight:400;color:#617797}
body.navi-notebook[data-notebook] .tools>.select-wrap{width:100%;max-width:none;height:auto;min-width:0;border:0;border-radius:0;overflow:visible;display:block}
body.navi-notebook[data-notebook] .tools>.select-wrap:has(#sourceFilter){display:none}
body.navi-notebook[data-notebook] .select-wrap select{width:100%;min-width:0}
body.navi-notebook[data-notebook] .select-wrap .caret{display:block}
.ng-question .katex,.ng-answer .katex{font-size:1em}
@media(max-width:1023px){
  body.navi-notebook[data-notebook] .top-user{display:none!important}
  body.navi-notebook[data-notebook] .top-actions .icon-button{display:grid}
  body.navi-notebook[data-notebook] .mobile-note-nav{height:calc(70px + env(safe-area-inset-bottom));padding:8px 14px env(safe-area-inset-bottom)}
  body.navi-notebook[data-notebook] .mobile-note-nav button,body.navi-notebook[data-notebook] .mobile-note-nav a{font-size:12px;gap:4px}
  body.navi-notebook[data-notebook] .mobile-note-nav .ui-icon{width:23px;height:23px}
}