:root{--snr-blue:#1668ff;--snr-ink:#17233d;--snr-muted:#6f7b91;--snr-line:#e3e9f3;--snr-soft:#f5f8fd;--snr-warn:#f59e0b;--snr-green:#10a46f}
.snr-lock{overflow:hidden!important}
.snr-overlay{position:fixed;inset:0;z-index:2147482500;display:flex;align-items:center;justify-content:center;padding:24px;background:rgba(21,32,51,.34);backdrop-filter:blur(1.5px);font-family:"Pretendard","Apple SD Gothic Neo","Noto Sans KR",system-ui,sans-serif;color:var(--snr-ink)}
.snr-overlay[hidden]{display:none!important}
.snr-modal{position:relative;width:min(720px,calc(100vw - 36px));max-height:calc(100vh - 42px);overflow:auto;border:1px solid rgba(220,228,240,.9);border-radius:24px;background:#fff;box-shadow:0 26px 80px rgba(15,32,62,.26);padding:28px 34px 26px;outline:none}
.snr-modal.snr-video-modal{width:min(890px,calc(100vw - 36px))}
.snr-close,.snr-back{position:absolute;top:22px;width:38px;height:38px;border:0;border-radius:11px;background:transparent;color:#536178;font-size:25px;line-height:1;display:grid;place-items:center;cursor:pointer}
.snr-close{right:22px}.snr-back{left:22px}.snr-close:hover,.snr-back:hover{background:#f0f4fa;color:#17233d}
.snr-kicker{text-align:center;color:var(--snr-blue);font-size:14px;font-weight:850;margin-bottom:12px}
.snr-icon{width:56px;height:56px;margin:3px auto 13px;border-radius:50%;display:grid;place-items:center;background:#eaf2ff;color:var(--snr-blue);font-size:27px;font-weight:900}
.snr-title{text-align:center;font-size:27px;line-height:1.3;letter-spacing:-.035em;font-weight:900;color:#14203a}
.snr-subtitle{text-align:center;font-size:16px;line-height:1.65;color:var(--snr-muted);margin-top:7px}
.snr-summary{display:grid;grid-template-columns:repeat(3,1fr);margin:21px 0 17px;border:1px solid var(--snr-line);border-radius:16px;background:#fbfcff;overflow:hidden}
.snr-summary>div{padding:13px 8px;text-align:center;border-right:1px solid var(--snr-line)}.snr-summary>div:last-child{border-right:0}
.snr-summary span{display:block;font-size:12px;font-weight:750;color:#8390a5;margin-bottom:3px}.snr-summary strong{font-size:21px;font-weight:900;color:#17233d}.snr-summary strong.blue{color:var(--snr-blue)}
.snr-list{border:1px solid var(--snr-line);border-radius:16px;overflow:hidden;background:#fff}
.snr-list-row{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:14px;padding:14px 16px;border-bottom:1px solid var(--snr-line)}.snr-list-row:last-child{border-bottom:0}
.snr-list-row strong{font-size:15px;font-weight:850}.snr-list-row small{display:block;margin-top:3px;font-size:13px;color:var(--snr-muted)}
.snr-status{display:inline-flex;align-items:center;gap:6px;padding:6px 9px;border-radius:999px;background:#fff5df;color:#b76b00;font-size:12px;font-weight:800;white-space:nowrap}.snr-status:before{content:"";width:7px;height:7px;border-radius:50%;background:#f5a300}
.snr-actions{display:grid;gap:9px;margin-top:18px}.snr-btn{min-height:52px;border:1px solid var(--snr-line);border-radius:13px;background:#fff;color:#33415b;font:850 16px inherit;cursor:pointer;padding:11px 17px}.snr-btn:hover{background:#f7f9fd}.snr-btn-primary{border-color:var(--snr-blue);background:var(--snr-blue);color:#fff;box-shadow:0 8px 20px rgba(22,104,255,.20)}.snr-btn-primary:hover{background:#0f5ef0}.snr-btn-link{border:0;min-height:38px;color:#60708b;background:transparent;font-size:14px}
.snr-note{display:flex;justify-content:center;gap:7px;text-align:center;color:#7e899c;font-size:13px;line-height:1.5;margin-top:13px}
.snr-head{padding:1px 54px 15px;text-align:center;font-size:17px;font-weight:900;border-bottom:1px solid #edf1f7;margin:0 -34px 21px}
.snr-progress{height:5px;border-radius:99px;background:#e9eef7;overflow:hidden;margin-bottom:22px}.snr-progress>i{display:block;height:100%;background:var(--snr-blue);border-radius:inherit;transition:width .25s}
.snr-context{font-size:14px;font-weight:800;color:#718097;margin-bottom:12px}.snr-context b{color:var(--snr-blue)}
.snr-question{font-size:24px;line-height:1.45;letter-spacing:-.025em;font-weight:900;color:#17233d;margin:8px 0 18px}
.snr-answer{width:100%;height:58px;border:1.5px solid #cfd9ea;border-radius:13px;padding:0 17px;font:750 18px inherit;color:#17233d;outline:none}.snr-answer:focus{border-color:var(--snr-blue);box-shadow:0 0 0 4px rgba(22,104,255,.10)}
.snr-choices{display:grid;grid-template-columns:1fr 1fr;gap:10px}.snr-choice{min-height:72px;border:1.5px solid #dce4f0;border-radius:14px;background:#fff;padding:13px 16px;text-align:left;font:800 17px inherit;color:#25324b;cursor:pointer}.snr-choice:hover,.snr-choice.on{border-color:var(--snr-blue);background:#f2f7ff;box-shadow:0 0 0 2px rgba(22,104,255,.08)}
.snr-memory-title{text-align:center;font-size:14px;font-weight:800;color:#63718a;margin:18px 0 9px}.snr-memory{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.snr-memory button{min-height:45px;border:1px solid var(--snr-line);border-radius:11px;background:#fff;color:#5c6981;font:750 13px inherit;cursor:pointer}.snr-memory button.on{border-color:var(--snr-blue);background:#edf5ff;color:#115de0}
.snr-feedback{display:flex;align-items:center;gap:9px;color:#f07800;font-size:18px;font-weight:900;margin:3px 0 13px}.snr-response{border:1px solid #edf0f5;border-radius:12px;padding:12px 14px;font-size:14px;font-weight:750}.snr-response em{font-style:normal;color:#ef4444;background:#fff0f0;border-radius:6px;padding:3px 6px}
.snr-explain{margin-top:11px;border:1px solid #cfe0ff;border-radius:14px;background:#f1f6ff;padding:14px 16px;color:#24334d;font-size:14px;line-height:1.6}.snr-explain strong{display:block;color:#1261ea;font-size:15px;margin-bottom:4px}
.snr-video-card{display:grid;grid-template-columns:174px minmax(0,1fr);gap:14px;margin-top:13px;border:1px solid #d8e5fb;border-radius:15px;background:#f6f9ff;padding:11px}
.snr-video-thumb{position:relative;min-height:104px;border-radius:11px;background:#dfeafa center/cover no-repeat;overflow:hidden}.snr-play{position:absolute;inset:0;margin:auto;width:46px;height:46px;border:0;border-radius:50%;background:var(--snr-blue);color:#fff;font-size:19px;box-shadow:0 6px 16px rgba(22,104,255,.3);cursor:pointer}
.snr-video-meta{min-width:0;padding:3px 2px}.snr-video-meta small{display:block;color:#697895;font-size:11px;font-weight:800}.snr-video-meta strong{display:block;color:#1b2840;font-size:16px;font-weight:900;margin:4px 0}.snr-time{display:inline-flex;padding:4px 7px;border-radius:7px;background:#e8effa;color:#43516a;font-size:11px;font-weight:850}.snr-video-meta p{font-size:12px;color:#748198;margin:6px 0 8px}.snr-video-link{height:34px;padding:0 11px;border:1px solid var(--snr-blue);border-radius:9px;background:#fff;color:var(--snr-blue);font:850 12px inherit;cursor:pointer}
.snr-player{aspect-ratio:16/9;width:100%;border:0;border-radius:15px;background:#101726;display:block}.snr-video-title{font-size:20px;font-weight:900;margin-top:15px}.snr-video-copy{font-size:14px;color:#6c7890;margin-top:4px}.snr-check{display:flex;gap:8px;align-items:center;margin:13px 0 2px;font-size:14px;color:#526079}.snr-check input{width:17px;height:17px;accent-color:var(--snr-blue)}
.snr-steps{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px;margin-top:15px;border-top:1px solid var(--snr-line);padding-top:13px;text-align:center;font-size:12px;font-weight:800;color:#8a96aa}.snr-steps .done{color:var(--snr-green)}.snr-steps .active{color:var(--snr-blue)}
.snr-success{color:var(--snr-green);background:#eaf9f3}.snr-results{margin-top:17px;border:1px solid var(--snr-line);border-radius:14px;overflow:hidden}.snr-result{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;padding:12px 14px;border-bottom:1px solid var(--snr-line);font-size:13px}.snr-result:last-child{border-bottom:0}.snr-result strong{font-size:14px}.snr-result b{color:var(--snr-green)}
.snr-error{padding:17px;border:1px solid #ffd4d4;border-radius:13px;background:#fff5f5;color:#b42318;text-align:center;font-size:14px;line-height:1.5}
@media(max-width:720px){.snr-overlay{padding:10px;align-items:flex-end}.snr-modal,.snr-modal.snr-video-modal{width:100%;max-height:92vh;border-radius:22px 22px 0 0;padding:24px 20px}.snr-head{margin-left:-20px;margin-right:-20px}.snr-question{font-size:21px}.snr-video-card{grid-template-columns:120px 1fr}.snr-choices{grid-template-columns:1fr}.snr-summary strong{font-size:18px}}