/* Source layouts: designs/11,13,17,23–27,30,32. Original raster regions are
   documented in docs/drill-design-assets.json; content remains native DOM. */
.precise-drill{--drill-ink:#080f39;--drill-muted:#6d7ca9;position:relative;isolation:isolate;max-width:480px;margin:auto;padding:14px 20px 28px;color:var(--drill-ink);min-height:calc(100dvh - env(safe-area-inset-top));font-size:15px;background:linear-gradient(135deg,#f5fbff,#eff8ff 55%,#f6fcff)}
.precise-drill:before,.precise-drill:after{content:"";position:absolute;z-index:-1;pointer-events:none;width:300px;height:90px;border-radius:100%;background:#e0f0ff55;transform:rotate(-37deg);right:-125px;top:58px}
.precise-drill:after{width:300px;top:auto;bottom:90px;left:-170px;transform:rotate(-32deg);background:#eaf6ff88}
.precise-drill h1,.precise-drill h2,.precise-drill h3{color:inherit;letter-spacing:-.6px;font-weight:760}
.precise-drill .muted,.precise-drill .hint{color:var(--drill-muted)}
.precise-drill .card{border:1.5px solid #fff;background:#ffffffed;border-radius:20px;box-shadow:0 8px 22px #2676cb08;padding:16px;margin-bottom:14px}
.precise-drill .button{border-radius:13px;min-height:50px;font-size:18px;gap:10px;white-space:normal;padding:10px 15px;line-height:1.4}
.precise-drill .button.primary{background:linear-gradient(115deg,#0874ff,#1063fc);border:1px solid #2475ff;color:#fff;box-shadow:0 4px 12px #0874ff10}
.precise-drill .button.secondary{border:1px solid #367eff;background:#ffffffdd;color:#1475ff}
.precise-drill .drill-header{display:flex;align-items:center;gap:13px;min-height:66px;margin:0 -4px 16px}
.precise-drill .drill-header h1{font-size:25px;line-height:1.3;flex:1;font-weight:800}
.precise-drill .drill-header.centered h1{text-align:center;font-size:23px}
.precise-drill .drill-header.centered:has(> :nth-child(2):last-child){padding-right:35px}
.precise-drill .drill-header>.icon-button{width:32px;padding:0}
.precise-drill .drill-header .drill-subject{font-size:17px;background:#dff7f0;border:1px solid white;padding:9px 17px;border-radius:30px}
.precise-drill .drill-art{object-fit:contain;flex:none;display:block;max-width:100%}
.precise-drill .drill-glyph{display:grid;place-items:center;flex:none;width:42px;height:42px;background:#e6f1ff;color:#1478ff;border-radius:13px}
.precise-drill .drill-glyph.green{background:#dff9ef;color:#00bd88}
.precise-drill .drill-glyph.purple{background:#efe8ff;color:#8a57ff}
.precise-drill .drill-subject{display:inline-flex;align-items:center;justify-content:center;padding:5px 13px;border-radius:13px;background:#dcf8ee;color:#00a487;font-size:16px;font-weight:750;white-space:nowrap}
.precise-drill .chip{font-size:15px;padding:6px 13px;border-radius:14px;background:#e6f1ff;color:#0877ff}
.precise-drill .chip.green{background:#e2faf1;color:#00af80}
.precise-drill .drill-bookmark{margin-left:auto;align-self:flex-start;color:#6e7ea7;padding:3px}
.precise-drill .drill-progress{display:flex;gap:17px;align-items:center;margin:16px 3px 26px}
.precise-drill .drill-progress-label{font-size:17px;color:#53658d;white-space:nowrap;font-weight:650}
.precise-drill .drill-progress-label strong{color:#1174ff;font-size:22px;font-weight:750}
.precise-drill .progress-track{height:11px;flex:1;margin:0;background:#dfebf9}
.precise-drill .progress-track>span{background:linear-gradient(95deg,#1266ff,#288dff)}
.precise-drill .drill-actions{display:flex;gap:12px;margin:15px 0 8px}
.precise-drill .drill-actions>*{flex:1;min-width:0}
.precise-drill .drill-coach{display:flex;align-items:center;gap:15px;margin:20px 0 16px;min-height:106px}
.precise-drill .drill-coach>.drill-art{width:98px;max-height:127px;align-self:center;mix-blend-mode:multiply}
.precise-drill .drill-coach-bubble{position:relative;flex:1;padding:17px 18px;border:1px solid #fff9;border-radius:23px;background:#e4f1ff;min-width:0}
.precise-drill .drill-coach-bubble:before{content:"";position:absolute;left:-11px;top:35%;width:20px;height:20px;transform:rotate(45deg);background:#e4f1ff}
.precise-drill .drill-coach-bubble strong{display:block;font-size:17px;line-height:1.5;margin-bottom:3px}
.precise-drill .drill-coach-bubble p{font-size:15px;line-height:1.55;color:#566e9c;white-space:pre-line}
.precise-drill .drill-hint{display:flex;align-items:center;gap:13px;text-align:left;width:100%;background:#eafaf5;border-radius:15px;padding:8px 13px;margin-top:16px;min-height:54px}
.precise-drill .drill-hint>svg:last-child{margin-left:auto;color:#64739c}
.precise-drill .drill-hint strong{font-size:17px}
.precise-drill .drill-hint-content{padding:13px;color:#52709c;background:#f1f7ff;border-radius:12px;margin-top:10px;font-size:14px;line-height:1.6}
.precise-drill .drill-hint-content[hidden]{display:none}
.precise-drill .drill-hint.compact{width:max-content;margin:15px auto 10px;color:#067aff;background:#e6efff;padding:8px 21px;gap:9px}
.precise-drill .drill-hint.compact .drill-glyph{background:none;width:24px;height:24px;color:#1679ff}
.precise-drill .drill-hint.compact>svg:last-child{display:none}
.precise-drill .drill-mini-link{display:flex;justify-content:center;align-items:center;gap:7px;color:#6b7da3;font-size:13px;margin:13px auto 0}
.precise-drill .feedback{position:relative;z-index:2;margin-top:17px;border-radius:18px;line-height:1.6}
/* 13 · source, provenance, generation and content counts */
.drill-pack .drill-header{margin-bottom:12px}
.drill-pack .card{border:3px solid #fff;outline:1px solid #e9f2fd;outline-offset:-6px;border-radius:18px}
.drill-pack .pack-source .eyebrow{font-size:13px;margin:0 0 11px;font-weight:550}
.drill-pack .pack-source-main{display:flex;gap:15px;align-items:flex-start}
.drill-pack .pack-source-main>.drill-art{width:55px;height:63px;background:#eafaf7;padding:8px;border-radius:17px}
.drill-pack .pack-source-main>div{min-width:0;flex:1}
.drill-pack .pack-source h2{font-size:19px;margin-bottom:5px}
.drill-pack .pack-source p{font-size:14px;line-height:1.55;color:#6c7a9f}
.drill-pack .pack-source .muted{font-size:13px;margin-bottom:4px}
.drill-pack .pack-source .icon-button{width:17px;height:50px;padding:0}
.drill-pack .pack-source-summary>h2{font-size:17px;margin-bottom:9px}
.drill-pack .pack-source-details{padding:10px 11px;background:#f3f8fd;border-radius:13px}
.drill-pack .pack-source-details>div{display:flex;gap:15px;align-items:center;margin:0 0 10px}
.drill-pack .pack-source-details>div:last-child{margin-bottom:0}
.drill-pack .pack-source-details .drill-art{width:36px;height:36px;border-radius:10px;background:#e7f1ff;padding:7px}
.drill-pack .pack-source-details>div:nth-child(2) .drill-art{background:#e8faf4}
.drill-pack .pack-source-details>div:nth-child(3) .drill-art{background:#efebff}
.drill-pack .pack-source-details h3{font-size:14px;margin-bottom:2px}
.drill-pack .pack-source-details p{font-size:12px;line-height:1.6;color:#6c7b9f}
.drill-pack .pack-generation>.row{gap:12px;align-items:flex-start}
.drill-pack .pack-generation>.row>.drill-glyph{background:none;width:26px;height:31px}
.drill-pack .pack-generation h2{font-size:16px;margin-bottom:4px}
.drill-pack .pack-generation .muted{font-size:12px;line-height:1.5}
.drill-pack .pack-stages{display:flex;justify-content:space-around;margin:18px 2px 9px;position:relative}
.drill-pack .pack-stages:before{content:"";position:absolute;left:30px;right:30px;top:16px;height:1.5px;background:#93b7ed;z-index:0}
.drill-pack .pack-stages>div{position:relative;display:flex;flex-direction:column;align-items:center;gap:4px;width:25%}
.drill-pack .pack-stage{display:grid;place-items:center;width:32px;height:32px;background:#fff;border:3px solid #e0ecff;border-radius:50%;box-shadow:0 0 0 4px white;color:white;margin-bottom:6px}
.drill-pack .pack-stage.complete{background:#0678ff}
.drill-pack .pack-stage.pending{background:#e6effe}
.drill-pack .pack-stages strong{font-size:13px}
.drill-pack .pack-stages small{font-size:12px;color:#7786ab}
.drill-pack .pack-generation .drill-coach{gap:15px;margin:8px 0 -10px;min-height:77px}
.drill-pack .pack-generation .drill-coach>.drill-art{width:78px;height:87px}
.drill-pack .pack-generation .drill-coach-bubble{padding:11px 14px;border-radius:14px}
.drill-pack .pack-generation .drill-coach-bubble strong{font-size:13px;font-weight:550}
.drill-pack .pack-generation .drill-coach-bubble p{font-size:12px}
.drill-pack .pack-preview{padding:9px 12px}
.drill-pack .pack-preview h2{display:flex;align-items:center;gap:9px;font-size:15px;margin-bottom:9px}
.drill-pack .pack-ready-check{display:grid;place-items:center;width:30px;height:30px;background:#dff9ef;border-radius:50%;color:#0dbe83}
.drill-pack .pack-preview-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:7px}
.drill-pack .pack-preview-grid>div{display:flex;align-items:center;gap:6px;background:#f0f6ff;border-radius:11px;padding:9px 6px;color:#0e70ff}
.drill-pack .pack-preview-grid .drill-glyph{width:30px;height:31px;border-radius:9px}
.drill-pack .pack-preview-grid .drill-glyph svg{width:22px}
.drill-pack .pack-preview-grid span{font-size:11px;color:#697aa0;white-space:nowrap}
.drill-pack .pack-preview-grid strong{display:block;font-size:19px;line-height:1.3}
.drill-pack .pack-preview-grid>.pack-preview-mc{background:#eefbf4;color:#02b974}
.drill-pack .pack-preview-grid>.pack-preview-short{background:#f7f1ff;color:#7750eb}
.drill-pack .pack-preview-grid>.pack-preview-blank{background:#fff2f4;color:#f45364}
.drill-pack .pack-controls{display:grid;gap:7px}
.drill-pack .pack-controls .button{min-height:42px;font-size:16px;border-radius:10px}
/* 30 · fixed six method tiles, count and source metadata */
.drill-types .drill-header{margin-bottom:0;min-height:51px}
.drill-types .type-intro{text-align:center;color:#6c7fab;font-size:16px;line-height:1.5;margin:7px 0 18px}
.drill-types .type-note{display:flex;gap:15px;padding:20px 17px;margin-bottom:23px;min-height:120px}
.drill-types .type-note>.drill-art{width:64px;height:64px;background:#e9faf7;border-radius:13px;padding:12px;align-self:center}
.drill-types .type-note>div{min-width:0}
.drill-types .type-note .muted{font-size:12px;line-height:1.5;margin-bottom:5px}
.drill-types .type-note h2{font-size:20px;line-height:1.4;margin-bottom:5px}
.drill-types .type-note p{font-size:13px;line-height:1.5;color:#6c7fab}
.drill-types .type-heading{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:13px}
.drill-types .type-heading h2{font-size:22px}
.drill-types .type-heading button{color:#0f76ff;padding:4px}
.drill-types .tool-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.drill-types .tool-card{position:relative;display:block;border:1px solid #fff;border-radius:16px;background:#fff;padding:12px 15px;min-height:146px;text-align:left;box-shadow:0 7px 20px #3d7bad08;cursor:pointer}
.drill-types .tool-card:has(input:checked){border-color:#086aff;box-shadow:0 0 0 1px #086aff;background:#f8fbff}
.drill-types .tool-card:has(input:focus-visible){outline:3px solid #50acff;outline-offset:3px}
.drill-types .tool-card input{position:absolute;opacity:0;top:0;left:0;width:100%;height:100%;margin:0;cursor:pointer}
.drill-types .type-tile-top{display:flex;justify-content:space-between;align-items:flex-start;gap:6px;margin-bottom:7px}
.drill-types .type-tile-top .drill-art{width:57px;height:51px;padding:8px;border-radius:11px;background:#e6f0ff}
.drill-types .type-mindmap .type-tile-top .drill-art{background:#e7faf4}
.drill-types .type-mc .type-tile-top .drill-art,.drill-types .type-blank .type-tile-top .drill-art{background:#f0ebff}
.drill-types .type-short .type-tile-top .drill-art{background:#fff7e5}
.drill-types .type-strip .type-tile-top .drill-art{background:#fff0f0}
.drill-types .type-tile-top span{font-size:12px;padding:4px 9px;background:#edf4ff;color:#086bff;border-radius:17px;white-space:nowrap}
.drill-types .tool-card h3{font-size:19px;line-height:1.4;margin:0 0 4px;font-weight:750}
.drill-types .tool-card p{font-size:13px;color:#6b7eae;line-height:1.5;margin:0}
.drill-types .type-socratic{display:flex;align-items:center;gap:9px;background:#dff7ef;width:100%;border-radius:16px;text-align:left;margin:14px 0 8px;padding:0 11px 0 2px;min-height:66px;overflow:hidden;color:#00977e}
.drill-types .type-socratic .drill-art{width:88px;height:68px;object-fit:cover;align-self:end;mix-blend-mode:multiply}
.drill-types .type-socratic>div{flex:1;min-width:0;padding:7px 0}
.drill-types .type-socratic h3{font-size:15px;display:flex;align-items:center;gap:7px;line-height:1.4}
.drill-types .type-socratic p{font-size:12px;line-height:1.35;color:#658aa4;margin-top:2px}
.drill-types .type-socratic>svg{opacity:.2;flex:none;width:29px}
.drill-types>.button{min-height:42px;border-radius:11px;font-size:17px}
/* 23 · recall card with native reveal and four visual ratings. */
.drill-card .card-recall-intro{position:relative;min-height:142px;margin:8px 3px 9px}
.drill-card .card-recall-intro h2{font-size:27px;line-height:1.45;letter-spacing:-1px;max-width:79%;position:relative;z-index:1}
.drill-card .card-recall-intro p{font-size:15px;line-height:1.55;color:#7889b3;margin:12px 0 0;position:relative;z-index:1}
.drill-card .card-recall-intro>.drill-art{position:absolute;right:-8px;top:-4px;width:113px;height:143px;mix-blend-mode:multiply}
.precise-drill .flashcard{display:flex;flex-direction:column;position:relative;isolation:isolate;background:#fff;border:1px solid white;border-radius:20px;min-height:310px;padding:22px;box-shadow:0 10px 18px #6498ca10;margin-bottom:26px;text-align:center}
.precise-drill .flashcard:before,.precise-drill .flashcard:after{content:"";position:absolute;inset:3px -5px -4px;z-index:-1;background:#ffffffa6;border-radius:20px;transform:rotate(4deg)}
.precise-drill .flashcard:after{transform:rotate(-5deg);inset:4px 4px -5px;background:#ffffff70}
.precise-drill .flashcard .question{font-size:27px;line-height:1.5;margin:48px auto 13px;font-weight:750;letter-spacing:-1px;min-height:58px;display:flex;align-items:center;justify-content:center;width:100%}
.precise-drill .flashcard .button{width:78%;min-height:44px;align-self:center;border-radius:14px;font-size:19px}
.precise-drill .flashcard .flashcard-caption{font-size:12px;color:#7a8bb8;line-height:1.5;margin:6px 0 -4px}
.precise-drill .flashcard .answer{border:0;background:#f1f8ff;margin:4px -5px;padding:14px;border-radius:14px;text-align:left;color:var(--drill-ink);font-size:18px;line-height:1.6}
.precise-drill .flashcard .answer .chip{display:inline-flex;font-size:13px;margin-bottom:8px}
.precise-drill .flashcard .answer p{font-size:14px;color:#6b7fab;margin-top:8px}
.precise-drill .grade-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:0 -3px}
.precise-drill .grade-row>button{display:flex;flex-direction:column;align-items:center;background:#ffffffdf;border:1px solid white;border-radius:15px;padding:9px 6px 10px;min-width:0;min-height:126px;color:#0b194b}
.precise-drill .grade-row>button:disabled{cursor:default;opacity:.75}
.precise-drill .grade-symbol{display:grid;place-items:center;width:50px;height:49px;border-radius:12px;background:#fff0f1;color:#ff6675;font-size:39px;line-height:1;font-family:Arial,sans-serif}
.precise-drill .grade-row>button:nth-child(2) .grade-symbol{color:#9e60ef;background:#f3ebff}
.precise-drill .grade-row>button:nth-child(3) .grade-symbol{color:#00c797;background:#e5fbf3}
.precise-drill .grade-row>button:nth-child(4) .grade-symbol{color:#087bff;background:#e8f3ff}
.precise-drill .grade-row strong{font-size:17px;line-height:1.4;margin:5px 0 3px}
.precise-drill .grade-row small{font-size:12px;line-height:1.45;color:#8190b5}
.drill-card .drill-coach{margin:19px 0 8px;min-height:105px}
.drill-card .drill-coach>.drill-art{width:105px;height:110px}
.drill-card .card-recall-progress{background:#fff;margin:0 -20px -2px;padding:17px 23px;border-radius:24px 24px 0 0}
.drill-card .card-recall-progress .drill-progress{flex-direction:row-reverse;margin:0;gap:17px}
.drill-card .card-recall-progress .drill-progress-label,.drill-card .card-recall-progress .drill-progress-label strong{font-size:16px;font-weight:500;color:#7687b1}
/* 17 · spaced repetition card */
.drill-leitner .drill-header,.drill-drill-leitner .drill-header{gap:7px}
.precise-drill .leitner-stats{display:flex;align-items:center;gap:5px;color:#7889b0;font-size:12px;white-space:nowrap;padding:3px}
.drill-leitner .drill-header h1{font-size:21px!important}
.drill-leitner .drill-progress{flex-direction:row-reverse;margin-bottom:18px}
.precise-drill .leitner-banner{display:flex;gap:12px;align-items:center;border-radius:17px;background:#e5f0ff;padding:12px 15px;margin:12px 4px 18px}
.precise-drill .leitner-banner strong{font-size:16px;line-height:1.5}
.precise-drill .leitner-banner p{font-size:13px;color:#7a8db6;line-height:1.5}
.drill-leitner .flashcard{min-height:291px;margin:18px 5px 22px;padding:17px 20px}
.drill-leitner .flashcard .question{margin:45px auto 25px;max-width:100%;font-size:27px;min-height:90px}
.drill-leitner .flashcard .button{margin-top:auto;font-size:15px;color:#6f86b4;background:transparent;border:0;box-shadow:none}
.drill-leitner .flashcard-caption{display:none}
.drill-leitner .leitner-answer{margin:0 5px 17px;padding:17px 20px;min-height:215px}
.drill-leitner .leitner-answer>div{font-size:19px;line-height:1.55;margin:11px 0}
.drill-leitner .leitner-answer .formula{font-size:15px;line-height:1.6;padding:18px;margin:15px 0 0;background:#f5f8fc;border:0;color:#6b7a9f}
.precise-drill .leitner-grades{grid-template-columns:repeat(3,minmax(0,1fr));margin:0 4px;gap:12px}
.precise-drill .leitner-grades>button{min-height:85px;background:#ffedef;border:0;border-radius:14px;padding:7px 4px;color:#ff5b69}
.precise-drill .leitner-grades>button:nth-child(2){background:#fff6de;color:#b78614}
.precise-drill .leitner-grades>button:nth-child(3){background:#e0faef;color:#00a87e}
.precise-drill .leitner-grades .grade-symbol{width:auto;height:27px;font-size:27px;background:none!important;color:inherit!important}
.precise-drill .leitner-grades strong{font-size:15px;margin:4px 0 2px}
.precise-drill .leitner-grades small{font-size:12px;color:inherit}
.drill-leitner .leitner-overview{text-align:center;margin:25px 5px 20px}
.drill-leitner .leitner-overview p{color:#7686ab;margin:12px 0;font-size:15px}
/* 25 & 26 · selection and written response */
.precise-drill .choice-progress{display:flex;position:relative;align-items:center;justify-content:space-between;margin:8px 2px 40px}
.precise-drill .choice-progress .drill-progress{display:contents}
.precise-drill .choice-progress .progress-track{position:absolute;top:43px;left:0;right:0}
.precise-drill .question-card{padding:17px;border-radius:20px;margin:22px 0 0}
.precise-drill .question-card>.row{gap:10px}
.precise-drill .question-card .question{font-size:25px;font-weight:750;line-height:1.55;letter-spacing:-.7px;margin:21px 0 23px}
.precise-drill .choices{display:flex;flex-direction:column;gap:12px;margin:0 0 3px}
.precise-drill .choice{display:flex;align-items:center;gap:16px;min-height:70px;padding:17px 13px;border:1px solid #e1eafa;border-radius:14px;background:#fff;box-shadow:0 4px 11px #2d75c509;color:#0a1645;font-size:23px;text-align:left}
.precise-drill .choice.selected{border-color:#1479ff;background:#eaf4ff;color:#0a1645;box-shadow:0 4px 10px #2d75c50b}
.precise-drill .choice-radio{width:23px;height:23px;border:1px solid #8a9bbc;background:#fff;border-radius:50%;flex:none;position:relative}
.precise-drill .choice.selected .choice-radio{border-color:#7ca8ff}
.precise-drill .choice.selected .choice-radio:after{content:"";position:absolute;inset:3px;border-radius:50%;background:#0d73ff}
.precise-drill .choice-number{width:25px;height:25px;display:flex;align-items:center;justify-content:center;border:1.5px solid #0c1747;border-radius:50%;background:none!important;flex:none;font-size:21px;color:#0c1747!important}
.drill-mc .drill-coach{margin-top:18px;min-height:116px}
.drill-mc .drill-actions .button{min-height:57px}
.drill-short .drill-header,.drill-blank .drill-header{margin-bottom:18px}
.drill-short .question-card .question,.drill-blank .question-card .question{font-size:22px;margin:17px 0 16px;line-height:1.55}
.precise-drill .question-passage{background:#f1f7fd;border-radius:13px;padding:16px;font-size:17px;line-height:1.65;margin-bottom:18px}
.precise-drill .written-answer{position:relative;margin-top:13px}
.precise-drill .written-answer textarea{resize:vertical;border:1px solid #cfddf8;border-radius:13px;min-height:168px;background:#fff;padding:15px 14px 30px;font-size:18px;line-height:1.7;color:#17254e}
.precise-drill .written-answer textarea::placeholder{color:#91a1c4}
.precise-drill .written-count{position:absolute;right:12px;bottom:11px;font-size:14px;color:#8293b8;pointer-events:none}
.drill-short .drill-coach{margin:18px 0 24px;min-height:122px}
.drill-short .drill-coach>.drill-art{width:105px;max-height:121px}
.drill-short .drill-actions .button{min-height:56px}
/* 27 · sentence and draggable concept pieces */
.drill-strip .drill-header{margin-bottom:23px}
.drill-strip .strip-progress{margin:0 5px 22px;font-size:19px}
.drill-strip .strip-progress>strong{font-weight:750}
.drill-strip .strip-progress em{font-style:normal;font-size:30px;color:#0a75ff}
.drill-strip .strip-progress>.row{margin-top:4px;gap:10px;color:#516186;font-weight:650;font-size:16px}
.drill-strip .strip-card{padding:19px 14px 15px;border-radius:20px}
.drill-strip .strip-instruction{align-items:center;gap:11px}
.drill-strip .strip-instruction h2{font-size:18px;line-height:1.45;flex:1}
.drill-strip .strip-instruction .small{font-size:14px;min-height:38px;border:none;background:#e9f2ff;border-radius:14px;padding:7px 12px}
.drill-strip .strip-mini-link{display:flex;align-items:center;gap:7px;padding:5px 9px;color:#157eff;border:1px solid #cbdcfc;border-radius:8px;margin:14px 0 12px;font-size:14px}
.drill-strip .strip-sentence{display:flex;align-items:center;align-content:center;justify-content:center;flex-wrap:wrap;gap:12px 7px;min-height:157px;background:#f4f9fd;border-radius:16px;padding:24px 13px;font-size:24px;line-height:1.8;font-weight:550;margin:0 0 13px}
.drill-strip .strip-sentence .slot-input{height:46px;width:90px;min-width:70px;max-width:100%;border:1.5px dashed #1a7dff;border-radius:10px;background:#fbfdff;font-size:22px;text-align:center;padding:5px}
.drill-strip .strip-fixed{background:#edf3fa;border:1px solid #cfdef4;border-radius:9px;padding:2px 15px}
.drill-strip .strip-tray{padding:12px 13px 14px;background:#f0f8ff;border-radius:16px}
.drill-strip .strip-tray h3{font-size:17px;color:#0b7fff;margin-bottom:7px}
.precise-drill .tray{display:flex;flex-wrap:wrap;gap:10px;margin:0;padding:0;background:none;border:0}
.precise-drill .tray>button{border:1px solid #a8dfff;background:#d3ebff;border-radius:16px;position:relative;min-width:67px;min-height:46px;font-size:20px;color:#0f2353;padding:10px 15px;flex:1;font-weight:500;box-shadow:inset 0 0 0 4px #ffffff30,0 5px 11px #3c95c518;cursor:grab}
.precise-drill .tray>button:nth-child(3n+1){background:#c1f2d9;border-color:#a9e8c9}
.precise-drill .tray>button:nth-child(3n){background:#ffd0d6;border-color:#ffb6c0}
.precise-drill .tray>button:after{content:"";pointer-events:none;position:absolute;inset:4px;border:1px dashed #fff;border-radius:12px}
.drill-strip .strip-tray>p{display:flex;align-items:center;justify-content:center;gap:9px;color:#61769f;font-size:14px;margin-top:13px}
.drill-strip .drill-coach{margin:10px 0 -4px;gap:17px;min-height:118px}
.drill-strip .drill-coach>.drill-art{width:109px;max-height:137px}
.drill-strip .drill-coach-bubble{padding:18px 20px;font-weight:600}
.drill-strip .drill-actions .button{min-height:43px;font-size:17px;border-radius:9px}
.drill-strip>.button{min-height:50px;margin-top:1px;border-radius:12px}
/* 24 · source radial mindmap, retaining arbitrary tree depth. */
.drill-mindmap .mindmap-subject{display:flex;align-items:center;gap:12px;background:#ffffffb3;border:1px solid #fff;border-radius:17px;padding:10px;margin:4px -2px 15px;position:relative;min-height:58px}
.drill-mindmap .mindmap-subject>strong{font-size:16px;line-height:1.4;flex:1;padding-right:55px}
.drill-mindmap .mindmap-subject .drill-progress{display:block;margin:0;position:absolute;right:14px;top:10px;width:68px}
.drill-mindmap .mindmap-subject .drill-progress-label{font-size:0;text-align:right}
.drill-mindmap .mindmap-subject .drill-progress-label strong{font-size:16px}
.drill-mindmap .mindmap-subject .progress-track{height:7px;margin-top:8px}
.drill-mindmap .mindmap-intro{margin:14px 4px 17px}
.drill-mindmap .mindmap-intro h2{font-size:27px;line-height:1.4;margin-bottom:6px}
.drill-mindmap .mindmap-intro p{font-size:17px;line-height:1.45;color:#7b8bad}
.drill-mindmap .mindmap-card{padding:16px 13px 13px;border-radius:19px}
.drill-mindmap .mindmap-card>.row{gap:11px;margin-bottom:16px}
.drill-mindmap .mindmap-card h2{font-size:16px}
.drill-mindmap .mindmap-card .muted{font-size:12px;line-height:1.5;margin-top:3px}
.drill-mindmap .mindmap-scroll{overflow:visible;margin:0;min-height:260px}
.drill-mindmap .pack-tree,.drill-mindmap .pack-tree ul{padding:0;margin:0;list-style:none;min-width:0}
.drill-mindmap .pack-tree>li{display:flex;flex-direction:column;position:relative;min-height:260px;padding:0}
.drill-mindmap .pack-tree>li>.central{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);display:flex;align-items:center;justify-content:center;width:89px;height:89px;border-radius:50%;border:7px solid #e9f3ff;outline:7px solid #f2f8ff;background:linear-gradient(130deg,#2298ff,#145dff);color:#fff;text-align:center;font-size:17px;line-height:1.3;font-weight:700;padding:8px;z-index:2}
.drill-mindmap .pack-tree>li>ul{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:93px 72px;position:relative;flex:1}
.drill-mindmap .pack-tree>li>ul>li{padding:0;min-width:0;position:relative;border:0}
.drill-mindmap .pack-tree>li>ul>li:before{content:"";position:absolute;border:0;border-radius:0;left:50%;top:46px;width:70%;height:60px;border-bottom:3px solid #20c992;border-left:3px solid #20c992;border-radius:0 0 0 60px;transform:rotate(25deg);z-index:0}
.drill-mindmap .pack-tree>li>ul>li:nth-child(even):before{left:auto;right:50%;border-left:0;border-right:3px solid #428aff;border-bottom-color:#428aff;border-radius:0 0 60px 0;transform:rotate(-25deg)}
.drill-mindmap .pack-tree>li>ul>li:nth-child(n+3):before{top:auto;bottom:85%;transform:rotate(-25deg) scaleY(-1);border-color:#9b6bff}
.drill-mindmap .pack-tree>li>ul>li:nth-child(n+3):nth-child(even):before{transform:rotate(25deg) scaleY(-1);border-color:#c489ff}
.drill-mindmap .pack-tree>li>ul>li>.pack-node{position:relative;z-index:1;padding:10px 7px;background:#effbf6;border:1px solid #13c78b;border-radius:17px;min-height:47px;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;text-align:center;line-height:1.4}
.drill-mindmap .pack-tree>li>ul>li:nth-child(even)>.pack-node{border-color:#80acff;background:#f1f6ff}
.drill-mindmap .pack-tree>li>ul>li:nth-child(n+3)>.pack-node{border-color:#cbb3ff;background:#f7f2ff}
.drill-mindmap .pack-tree>li>ul>li>ul{position:relative;z-index:1;margin-top:6px;padding:9px;background:#f4f8fc;border-radius:12px;min-width:0}
.drill-mindmap .pack-tree>li>ul>li li{display:block;padding:3px 0;min-width:0;border:0}
.drill-mindmap .pack-tree li li li:before,.drill-mindmap .pack-tree li li li:after,.drill-mindmap .pack-tree ul:before,.drill-mindmap .pack-tree>li:before,.drill-mindmap .pack-tree>li:after{display:none}
.drill-mindmap .pack-tree li li li>.pack-node{font-size:12px;background:none;border:0;padding:0;color:#4b6390;min-width:0;border-radius:0}
.drill-mindmap .pack-tree .slot-input{width:100%;min-width:0;border:1px dashed #86b2ec;border-radius:7px;padding:5px;font-size:12px;color:#103e76;text-align:center;background:#fff}
.drill-mindmap .mindmap-tray{margin-top:17px}
.drill-mindmap .tray>button{min-height:34px;min-width:55px;font-size:13px;border-radius:11px;padding:8px}
.drill-mindmap .tray>button:after{border-radius:8px}
.drill-mindmap .drill-coach{margin:14px 0;min-height:94px}
.drill-mindmap .drill-coach>.drill-art{width:96px;max-height:105px}
.drill-mindmap .drill-coach-bubble{background:#ffffffda}
.drill-mindmap .drill-coach-bubble:before{background:#ffffffda}
.drill-mindmap .drill-coach-bubble strong{font-size:17px}
.drill-mindmap .drill-actions .button{min-height:56px;border-radius:17px}
/* 32 · real collapsible note sections. */
.drill-mini-note{padding-bottom:110px}
.drill-mini-note .drill-header{margin-bottom:8px}
.drill-mini-note .mini-title{text-align:center;margin:17px 0 19px}
.drill-mini-note .mini-title h2{font-size:28px;line-height:1.4;letter-spacing:-1px;margin-bottom:8px}
.drill-mini-note .mini-title p{display:flex;justify-content:center;align-items:center;gap:11px;color:#647497;font-size:15px;line-height:1.5}
.drill-mini-note .mini-title svg{color:#3d7dd9;flex:none}
.drill-mini-note .mini-section{margin-bottom:10px;border-radius:14px;background:#ffffffd9;box-shadow:0 7px 15px #3675b307;overflow:hidden}
.drill-mini-note .mini-section summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;min-height:50px;padding:9px 13px;color:#0b77ff}
.drill-mini-note .mini-section summary::-webkit-details-marker{display:none}
.drill-mini-note .mini-section summary .drill-art{width:34px;height:34px;border-radius:8px}
.drill-mini-note .mini-section summary h2{font-size:18px;line-height:1.4;flex:1}
.drill-mini-note .mini-chevron{display:flex;transform:rotate(90deg);color:#087bff}
.drill-mini-note .mini-section[open] .mini-chevron{transform:rotate(-90deg)}
.drill-mini-note .mini-section-content{border-top:1px solid #dfebfc;border-radius:13px;background:#fff;padding:15px 19px;font-size:17px;line-height:1.65}
.drill-mini-note .mini-section-content .rich-text{font-size:17px;line-height:1.6}
.drill-mini-note .mini-section-content .formula{font-family:Georgia,'Times New Roman',serif;font-size:22px;line-height:1.65;text-align:center;margin:9px 0;padding:8px;background:none;border:0;color:#0a173d}
.drill-mini-note .mini-detail{background:#f1f7ff;border:1px solid #d7e7ff;border-radius:9px;padding:12px;margin-top:10px}
.drill-mini-note .mini-detail .rich-text{font-size:15px;line-height:1.65}
.drill-mini-note .mini-section-content ol{font-size:15px;padding-left:22px}
.drill-mini-note .mini-bottom.tabs{display:flex;flex-direction:column;background:none;border:0;padding:0;gap:12px;margin:15px 0 0}
.drill-mini-note .mini-bottom.tabs>.button{border-radius:13px;background:#0b72ff;color:#fff;min-height:54px;font-size:20px;flex:auto;padding:10px 15px}
.drill-mini-note .mini-bottom .mini-socratic{display:flex;justify-content:center;align-items:center;gap:10px;color:#0b7bff;font-size:16px;font-weight:650;flex:auto;padding:2px 0;background:none;box-shadow:none}
/* 11 · authoritative score, measured skill bars, and recommendation. */
.drill-result .drill-header{margin-bottom:9px}
.drill-result .result-share{display:flex;flex-direction:column;align-items:center;gap:3px;color:#6f7fa2;font-size:11px;padding:0 2px}
.drill-result .result-surface{border:1.5px solid white;border-radius:20px;background:#e9f3ff6b;padding:10px 10px 0}
.drill-result .result-congratulations{display:flex;position:relative;min-height:157px;padding:40px 24px 15px;align-items:flex-start;margin:-4px -8px 0;overflow:hidden}
.drill-result .result-congratulations>div{position:relative;z-index:1;width:55%}
.drill-result .result-congratulations h2{font-size:28px;color:#16398f;font-weight:800;white-space:nowrap;line-height:1.4;margin-bottom:5px}
.drill-result .result-congratulations p{font-size:16px;line-height:1.4;color:#5d709e}
.drill-result .result-congratulations>.drill-art{position:absolute;width:160px;height:148px;right:2px;top:12px;mix-blend-mode:multiply}
.drill-result .result-score{text-align:center;padding:14px 13px 12px;margin-bottom:15px;border-radius:16px}
.drill-result .result-score>h3{font-size:15px;color:#5b6c92}
.drill-result .result-ring.result-rate{width:auto;height:auto;border-radius:0;background:none;margin:0;display:block;padding:0;box-shadow:none}
.drill-result .result-ring.result-rate:before{display:none}
.drill-result .result-ring.result-rate strong{font-size:65px;color:#03c776;font-weight:800;line-height:1.05;letter-spacing:-3px}
.drill-result .result-ring.result-rate small{font-size:44px;color:#0b1640;line-height:1;padding-left:4px;letter-spacing:-2px}
.drill-result .result-score>p{font-size:15px;color:#5f7096;line-height:1.5;margin:3px 0 13px}
.drill-result .result-counts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.drill-result .result-counts>div{border-radius:14px;background:#ebfaf4;padding:9px 6px;color:#009c68;display:flex;flex-direction:column;gap:1px;font-size:15px;font-weight:650}
.drill-result .result-counts>div:nth-child(2){background:#fff0f3;color:#fc3c50}
.drill-result .result-counts>div:nth-child(3){background:#edf4fc;color:#182751}
.drill-result .result-counts strong{font-size:32px;line-height:1.25;font-weight:750}
.drill-result .result-skills{padding:15px 14px 18px;border-radius:16px;margin-bottom:17px}
.drill-result .result-skills>.row{gap:13px;align-items:center;margin-bottom:11px}
.drill-result .result-skills h2{font-size:20px;white-space:nowrap}
.drill-result .result-skills>.row p{font-size:12px;color:#7d8caf;line-height:1.5}
.drill-result .result-skill{display:flex;align-items:center;gap:12px;margin-top:12px;font-size:15px;color:#344d82;line-height:1.4}
.drill-result .result-skill>strong{width:87px;flex:none;font-size:15px}
.drill-result .result-skill>.progress-track{height:14px;background:#e9eef6}
.drill-result .result-skill .progress-track>span{background:#ff6c72}
.drill-result .result-skill:nth-child(3) .progress-track>span{background:#ffab1f}
.drill-result .result-skill:nth-child(n+4) .progress-track>span{background:#ffc334}
.drill-result .result-skill>span{font-size:15px;color:#ef615f;font-weight:650;white-space:nowrap}
.drill-result .result-skill>.chip{font-size:12px;margin-left:auto}
.drill-result .result-recommendation{padding:14px 14px 17px;border-radius:16px;margin-bottom:12px}
.drill-result .result-recommendation>h3{font-size:15px;color:#0c75ff;margin-bottom:14px}
.drill-result .result-recommendation .row{gap:15px;align-items:flex-start}
.drill-result .result-recommendation .drill-art{width:61px;height:61px;object-fit:contain;background:#e7faf3;border-radius:13px;padding:11px}
.drill-result .result-recommendation .row>div{flex:1;min-width:0}
.drill-result .result-recommendation h2{font-size:17px;line-height:1.5;margin-bottom:4px}
.drill-result .result-recommendation .rich-text{font-size:14px;color:#6d7d9f;line-height:1.5}
.drill-result .result-recommendation .row>svg{flex:none;align-self:center;color:#7283a3}
.drill-result .result-due{font-size:12px;color:#7185a5;margin-top:12px}
.drill-result .result-start{margin-top:17px;min-height:59px;font-size:21px}
.drill-result .result-secondary{display:flex;justify-content:center;gap:20px;color:#7386ad;font-size:12px;margin-top:14px}
@media(max-width:370px){.precise-drill{padding-left:16px;padding-right:16px}.precise-drill .drill-header h1{font-size:23px}.precise-drill .button{font-size:16px}.drill-card .card-recall-intro h2{font-size:23px}.drill-card .card-recall-intro>.drill-art{width:94px;right:-6px}.precise-drill .flashcard{padding:18px}.precise-drill .flashcard .question{font-size:24px}.precise-drill .grade-row{gap:7px}.precise-drill .grade-row small{font-size:11px}.precise-drill .grade-symbol{width:42px;height:44px}.precise-drill .drill-coach{gap:12px}.precise-drill .drill-coach>.drill-art{width:83px}.precise-drill .drill-coach-bubble{padding:13px}.drill-types .tool-card{padding:11px;min-height:144px}.drill-types .type-heading h2{font-size:19px}.drill-types .type-note{padding:16px 12px}.drill-types .type-note h2{font-size:18px}.drill-types .type-socratic .drill-art{width:64px}.drill-types .type-socratic h3{font-size:13px}.drill-types .type-socratic>svg{display:none}.drill-pack .pack-preview-grid{gap:4px}.drill-pack .pack-preview-grid>div{padding:8px 4px;gap:4px}.drill-pack .pack-preview-grid .drill-glyph{width:24px}.drill-mindmap .pack-tree>li>ul{gap:90px 55px}.drill-mindmap .pack-tree>li>.central{width:78px;height:78px;font-size:15px}.drill-result .result-congratulations{padding:33px 10px 12px}.drill-result .result-congratulations h2{font-size:25px}.drill-result .result-congratulations>.drill-art{width:143px}.drill-result .result-skills>.row{gap:8px}.drill-result .result-skills>.row p{font-size:11px}}
.precise-drill .grade-symbol .drill-art{width:34px;height:33px;object-fit:contain;mix-blend-mode:multiply}
.precise-drill .leitner-grades .grade-symbol .drill-art{width:25px;height:25px}
.precise-drill .leitner-banner>.drill-art{width:29px;height:28px;object-fit:contain;mix-blend-mode:multiply;margin:0 3px}
.drill-leitner .flashcard .button:has(.drill-art){flex-direction:column;gap:8px}
.drill-leitner .flashcard .button>.drill-art{width:33px;height:37px;object-fit:contain}
/* Remove inherited center alignment and normalize the source header region. */
.precise-drill .drill-header{min-height:48px;margin-bottom:14px}
.precise-drill .flashcard{align-items:stretch;justify-content:flex-start}
.precise-drill .flashcard>.row{width:100%}
.precise-drill .flashcard .answer .chip{position:static}
.drill-card .card-recall-intro{min-height:122px}
.drill-card .card-recall-intro h2{max-width:80%}
.drill-card .card-recall-intro>.drill-art{width:111px;height:132px;top:-3px;mask-image:linear-gradient(to right,transparent,#000 5%,#000 94%,transparent);mix-blend-mode:multiply}
.drill-card .grade-row>button{min-height:128px}
.drill-card .grade-row small{font-size:11.5px;word-break:keep-all}
.drill-card .grade-row .grade-symbol{margin:0 auto}
.precise-drill .drill-coach>.drill-art{mask-image:linear-gradient(to right,transparent,#000 5%,#000 95%,transparent)}
.drill-pack .pack-source-main{gap:14px}
.drill-pack .pack-source-main>.drill-art{width:63px;height:67px;padding:11px}
.drill-pack .pack-source h2{font-size:18px}
.drill-pack .pack-source p{font-size:13px;line-height:1.5}
.drill-pack .pack-source-summary .pack-source-details>div{margin-bottom:9px}
.drill-pack .pack-source-details h3{line-height:1.4;margin-bottom:2px}
.drill-pack .pack-source-details p{line-height:1.5}
.drill-pack .pack-preview h2{margin-bottom:5px}
.drill-pack .pack-preview-grid>div{min-width:0;gap:4px;padding:8px 5px}
.drill-pack .pack-preview-grid .drill-glyph{width:26px;height:29px}
.drill-mini-note .mini-section summary h2{margin:0}
.precise-drill .drill-math{font-family:Georgia,'Times New Roman',serif;font-style:italic;font-weight:500;letter-spacing:0}
.precise-drill[data-subject="math"] .choice>span:last-child{font-family:Georgia,'Times New Roman',serif;font-style:italic;font-size:25px;line-height:1.35}
.precise-drill .flashcard .question{white-space:pre-line}
.drill-card .flashcard .question{min-height:40px;margin-top:42px}
.drill-card .flashcard .drill-hint.compact{min-height:42px}
.drill-card .flashcard>.button{padding-top:8px;padding-bottom:8px;min-height:44px}
.drill-card .grade-row>button{padding-top:8px;padding-bottom:8px}
.drill-card .grade-row strong{font-size:16px;line-height:1.35}
.drill-card .card-recall-intro>.drill-art{mask-image:linear-gradient(to right,transparent,#000 9%,#000 91%,transparent),linear-gradient(to bottom,transparent,#000 7%,#000 92%,transparent);mask-composite:intersect}
.drill-card .card-recall-intro:before{content:"";position:absolute;right:-89px;top:-23px;width:249px;height:134px;border-radius:80%;transform:rotate(-30deg);background:#e9f5ff70;z-index:-1}
.precise-drill .drill-coach>.drill-art{mask-image:linear-gradient(to right,transparent,#000 7%,#000 93%,transparent),linear-gradient(to bottom,transparent,#000 5%,#000 94%,transparent);mask-composite:intersect}
.precise-drill .drill-math{white-space:nowrap}
.drill-mc .question-card .question,.drill-error .question-card .question{font-size:26px;line-height:1.32;margin-top:18px;margin-bottom:14px}
.precise-drill .drill-fraction{display:inline-flex;flex-direction:column;vertical-align:middle;text-align:center;font:italic 25px/1.03 Georgia,'Times New Roman',serif}
.precise-drill .drill-fraction>span:first-child{border-bottom:1px solid currentColor;padding:0 4px 3px}
.precise-drill .drill-fraction>span:last-child{padding:3px 4px 0}
.precise-drill .choice:has(.drill-fraction){padding-top:7px;padding-bottom:7px}
.precise-drill .question-passage .rich-text{font-size:16px;line-height:1.6}
.drill-strip .strip-sentence{display:block;min-height:157px;line-height:2.6;padding:20px 12px;font-size:23px;font-weight:550;white-space:normal}
.drill-strip .strip-sentence .slot-input{display:inline-block;vertical-align:middle;margin:3px 7px}
.drill-strip .strip-fixed{position:relative;display:inline-block;vertical-align:middle;font:italic 24px/1.7 Georgia,'Times New Roman',serif;min-width:88px;margin:3px 6px}
.drill-strip .strip-fixed:before{content:"고정";position:absolute;top:-12px;right:4px;font:600 11px/1.5 Pretendard,sans-serif;background:#d1def1;color:#687a9d;border-radius:12px;padding:1px 8px}
.drill-strip .strip-tray .tray>button{min-height:55px;font-size:24px;padding:9px 10px}
/* Reset the earlier horizontal tree rules before applying the four-way map. */
.drill-mindmap .mindmap-scroll{padding:0;background:none;border-radius:0}
.drill-mindmap .pack-tree,.drill-mindmap .pack-tree ul{display:block;align-items:initial;border:0;gap:0;width:100%}
.drill-mindmap .pack-tree li{display:block;align-items:initial;gap:0}
.drill-mindmap .pack-tree>li{display:flex;align-items:stretch;flex-direction:column}
.drill-mindmap .pack-tree>li>ul{display:grid;align-items:start;grid-template-columns:repeat(2,minmax(0,1fr));gap:57px 69px}
.drill-mindmap .pack-tree>li>ul>li>ul{width:100%;padding:8px;min-height:69px}
.drill-mindmap .pack-tree>li>ul>li li{padding:3px 0}
.drill-mindmap .pack-tree>li>ul>li li>.pack-node{line-height:1.4;max-width:none}
.drill-mindmap .pack-tree>li>ul>li li li{padding-left:6px}
.drill-mindmap .mindmap-subject .drill-progress-label{font-size:14px;color:#7084a9;font-weight:500}
.drill-mindmap .mindmap-subject .drill-progress-label strong{font-size:16px}
.drill-mindmap .mindmap-subject .drill-progress-label{white-space:nowrap}
.drill-mini-note .mini-section-content{padding:13px 18px}
.drill-mini-note .mini-section-content:has(.formula){padding-top:10px;padding-bottom:10px}
.drill-mini-note .mini-section-content .formula{font-size:24px;line-height:1.4;padding:0;margin:5px 0}
.drill-mini-note .mini-section-content .formula{font-style:italic}
.drill-types,.drill-pack,.drill-leitner{padding-top:0}
.drill-types .drill-header{min-height:42px;margin-bottom:0}
.drill-types .type-intro{font-size:15px;line-height:1.4;margin:4px 0 12px}
.drill-types .type-heading h2{font-size:21px;line-height:1.25}
.drill-types .tool-card{min-height:142px;padding-top:11px;padding-bottom:11px}
.drill-types .tool-card h3{font-size:18px;line-height:1.35}
.drill-types .tool-card p{font-size:12.5px;line-height:1.4}
.drill-types .type-socratic{min-height:60px;margin-top:12px}
.drill-types .type-socratic .drill-art{height:60px;width:78px}
.drill-types .type-socratic h3{font-size:14px;line-height:1.35}
.drill-types .type-socratic p{font-size:11px;line-height:1.25}
.drill-types .type-socratic>div{padding-top:5px;padding-bottom:5px}
.drill-pack .drill-header{min-height:42px;margin-bottom:9px}
.drill-pack .pack-source{padding:14px}
.drill-pack .pack-source .eyebrow{font-size:12px;line-height:1.5;margin-bottom:10px}
.drill-pack .pack-source h2{font-size:17px;line-height:1.4}
.drill-pack .pack-source .muted{font-size:12px;line-height:1.45}
.drill-pack .pack-source-summary{padding:14px 13px}
.drill-pack .pack-source-summary>.pack-source-details>div:last-child{margin-bottom:0}
.drill-pack .pack-source-summary>h2{font-size:16px;line-height:1.4;margin-bottom:8px}
.drill-pack .pack-generation{padding:13px}
.drill-pack .pack-generation h2{font-size:15px;line-height:1.4}
.drill-pack .pack-generation .muted{font-size:11.5px;line-height:1.4}
.drill-pack .pack-stage{width:30px;height:30px;margin-bottom:4px}
.drill-pack .pack-stages strong{font-size:12px;line-height:1.4}
.drill-pack .pack-stages small{font-size:11px;line-height:1.4}
.drill-pack .pack-generation .drill-coach>.drill-art{width:72px;height:80px}
.drill-pack .pack-generation .drill-coach-bubble{padding:10px 12px}
.drill-pack .pack-preview-grid>div{padding:6px 5px;min-height:48px}
.drill-pack .pack-preview-grid span{font-size:10px;line-height:1.2}
.drill-pack .pack-preview-grid strong{font-size:18px;line-height:1.2}
.drill-pack .pack-controls .button{padding-top:8px;padding-bottom:8px;min-height:42px}
.drill-strip .drill-coach{margin-top:5px}
.drill-strip .drill-actions{margin-top:4px}
.drill-leitner .drill-header{min-height:44px;margin-bottom:7px}
.drill-leitner .drill-progress-label,.drill-leitner .drill-progress-label strong{font-size:17px;line-height:1.3}
.drill-leitner .drill-subject{background:#e7f1ff;color:#0877ff}
.drill-leitner .flashcard .question{font-size:26px;line-height:1.45;min-height:76px;margin-top:40px;margin-bottom:20px}
.drill-leitner .leitner-answer .rich-text{font-size:19px;line-height:1.55}
.drill-leitner .leitner-answer .formula{white-space:pre-line}
.drill-pack .card{margin-bottom:11px}
.drill-pack .pack-source-details{padding-top:6px;padding-bottom:6px}
.drill-pack .pack-source-summary .pack-source-details>div{margin-bottom:7px}
.drill-pack .pack-source-summary .pack-source-details>div:last-child{margin-bottom:0}
.drill-pack .pack-stages{margin-top:12px;margin-bottom:6px}
.drill-pack .pack-generation .drill-coach{margin-top:4px}
.drill-pack .pack-preview{padding-top:6px;padding-bottom:6px}
.drill-pack .pack-preview h2{margin-bottom:4px}
.drill-result{padding-top:6px}
.drill-result .drill-header{min-height:44px;margin-bottom:9px}
.drill-result .result-congratulations{min-height:164px}
.drill-result .result-score{padding-top:12px}
.drill-result .result-score>p{font-size:14px;margin-bottom:11px}
.drill-result .result-counts>div{padding-top:8px;padding-bottom:8px}
.drill-result .result-counts strong{font-size:30px}
.drill-result .result-recommendation>h3{font-size:14px;line-height:1.3}
.drill-result .result-recommendation h2{margin-bottom:0}
.drill-result .result-recommendation .rich-text{font-size:13px;line-height:1.4}
.drill-result .result-congratulations>.drill-art{mask-image:linear-gradient(to right,transparent,#000 7%,#000 95%,transparent),linear-gradient(to bottom,transparent,#000 8%,#000 95%,transparent);mask-composite:intersect}
.drill-mindmap{padding-top:4px}
.drill-mindmap .mindmap-subject{padding:8px;min-height:56px}
.drill-mindmap .mindmap-subject>.drill-glyph{width:36px;height:36px}
.drill-mindmap .mindmap-intro p{font-size:16px;line-height:1.4}
.drill-mindmap .mindmap-intro{margin-bottom:13px}
.drill-mindmap .mindmap-tray{display:none}
.drill-mindmap .mindmap-card:focus-within .mindmap-tray{display:block}
.precise-drill .drill-glyph>.drill-art{width:26px;height:27px;object-fit:contain;mix-blend-mode:multiply}
.precise-drill .finish-art{width:57px;height:57px;margin:0 auto 12px}
.drill-mindmap .pack-tree>li>ul>li>.pack-node{justify-content:flex-start;gap:9px;text-align:left;font-size:14px;min-height:55px}
.drill-mindmap .pack-tree>li>ul>li>.pack-node:before{content:"";width:31px;height:33px;flex:none;border-radius:9px;background:#d4f7e9 url('../assets/layerlab/24-mindmap/book.png') center/22px 21px no-repeat}
.drill-mindmap .pack-tree>li>ul>li:nth-child(2)>.pack-node:before{background-color:#e0edff;background-image:url('../assets/layerlab/24-mindmap/cases.png')}
.drill-mindmap .pack-tree>li>ul>li:nth-child(3)>.pack-node:before{background-color:#e9e1ff;background-image:url('../assets/layerlab/24-mindmap/calculator.png')}
.drill-mindmap .pack-tree>li>ul>li:nth-child(4)>.pack-node:before{background-color:#f0e0ff;background-image:url('../assets/layerlab/24-mindmap/chart.png')}
.drill-mindmap .pack-tree>li>.central{flex-direction:column;gap:5px;font-size:18px;line-height:1.15}
.drill-mindmap .pack-tree>li>.central:before{content:"";width:23px;height:23px;background:url('../assets/layerlab/24-mindmap/dice.png') center/contain no-repeat}
@media(max-width:370px){.drill-mindmap .pack-tree>li>ul>li>.pack-node{font-size:12px;gap:5px;padding:8px 5px}.drill-mindmap .pack-tree>li>ul>li>.pack-node:before{width:24px;height:29px;background-size:19px 19px}}