.admin-page{min-height:100dvh;background:#f5f6ef}.admin-header{height:94px;border-bottom:1px solid var(--line);padding:0 max(30px,calc((100vw - 1200px)/2));display:flex;align-items:center;justify-content:space-between;background:#fcfdf8}.header-right{display:flex;align-items:center;gap:24px;font-size:12px;color:#63766a}.admin-page .secondary{border:1px solid #cfd8c9;background:#fff;padding:11px 17px;border-radius:9px;font-weight:600}.admin-page .primary{display:inline-flex;align-items:center;justify-content:center;gap:20px;padding:14px 21px;font-size:14px;width:auto;margin:0;border-radius:10px}.login-layout{max-width:1120px;margin:80px auto 100px;display:grid;grid-template-columns:1.2fr 1fr;gap:80px;align-items:center;padding:0 24px}.login-intro h1{font-size:54px;line-height:1.08;letter-spacing:-2px;font-weight:550;margin:22px 0}.login-intro>p{line-height:1.8;color:#67766b;font-size:16px}.intro-note{display:flex;gap:20px;margin-top:50px;border-top:1px solid #d5ddce;padding-top:28px}.intro-note>span{width:45px;height:45px;display:grid;place-items:center;border-radius:50%;background:#e3eccf}.intro-note p{line-height:1.7;font-size:13px}.login-card{background:#fff;border:1px solid #dfe5d8;border-radius:20px;padding:36px;box-shadow:0 16px 45px #244d4006}.login-card h2{margin:18px 0 12px;font-size:25px;letter-spacing:-.6px}.muted{color:#647367;line-height:1.6}.login-card .muted{font-size:13px}.login-card .primary{width:100%;justify-content:space-between}.login-help{font-size:12px;line-height:1.6;color:#748075;margin-top:26px;border-top:1px solid #edf0e8;padding-top:20px}#loading{max-width:440px;margin:100px auto;text-align:center}.dashboard{max-width:1200px;padding:48px 28px 40px;margin:auto}.page-heading{display:flex;align-items:center;justify-content:space-between;gap:20px}.page-heading h1{font-size:38px;font-weight:550;letter-spacing:-1.2px;margin:12px 0 10px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:30px 0}.stats>div{background:#e9eedf;border:1px solid #e0e7d6;border-radius:13px;padding:20px 24px;display:flex;justify-content:space-between;align-items:center;gap:14px}.stats span{color:#5d705c;font-size:12px}.stats b{font-size:25px;font-weight:550;white-space:nowrap}.list-toolbar{display:flex;gap:18px;align-items:center;justify-content:space-between;margin:30px 0 18px}.search-label{margin:0;max-width:430px;width:100%}.search-label input{margin:0;background:#fafbf7}.room-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.room-card{min-width:0;background:#fff;border:1px solid #dde4d5;border-radius:16px;padding:25px}.card-top{display:flex;justify-content:space-between;align-items:start;gap:14px}.card-top h2{font-size:20px;font-weight:600;line-height:1.35;overflow-wrap:anywhere}.room-state{white-space:nowrap;border-radius:20px;padding:6px 9px;font-size:10px;background:#f0f3eb;color:#677461}.room-state.live{background:#dcedbe;color:#365724}.room-details{font-size:12px;color:#687965;margin:12px 0 20px;line-height:1.6}.link-field{margin-top:17px;font-size:11px}.link-row{display:flex;gap:7px;margin-top:7px}.link-row input{margin:0;font-size:11px;padding:11px 10px;min-width:0;background:#f7f9f3}.copy-link{border:1px solid #d5dece;border-radius:8px;padding:0 11px;font-size:11px;flex-shrink:0}.teacher-label{color:#345c38}.legacy-note{font-size:12px;line-height:1.6;padding:14px;background:#fff8e5;border:1px solid #eee0bb;border-radius:9px;margin:8px 0}.legacy-note button{display:block;text-decoration:underline;padding:0;margin-top:9px;font-weight:600}.card-actions{display:flex;align-items:center;justify-content:space-between;gap:10px;border-top:1px solid #e9eee2;padding-top:18px;margin-top:22px}.card-actions .secondary{padding:9px 13px;font-size:12px}.delete-button{font-size:12px;color:#a34b3f;padding:9px}.dashboard-note{font-size:12px;line-height:1.7;color:#6e7e6b;margin-top:26px}.empty-state{text-align:center;padding:50px 25px;border:1px dashed #cbd7bd;border-radius:14px;background:#fbfcf7}.empty-state>span{display:block;font-size:30px;margin-bottom:12px}.empty-state h2{font-size:22px;font-weight:550}.empty-state p{color:#687565;margin:14px 0 23px;line-height:1.7}.admin-footer{max-width:1200px;margin:15px auto 0;padding:25px 28px;border-top:1px solid var(--line);display:flex;justify-content:space-between;color:#7d8778;font-size:11px}.admin-page dialog{width:min(490px,calc(100vw - 32px));padding:28px;border:1px solid #d3ddc8;border-radius:16px;color:var(--ink);background:#fff}.admin-page dialog::backdrop{background:#142d2266;backdrop-filter:blur(3px)}.admin-page dialog h2{font-size:23px}.dialog-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.dialog-heading button{font-size:27px;line-height:1;padding:2px 6px}.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:25px}.field-hint{font-size:12px;line-height:1.6;color:#73806b;margin-top:12px}#confirm-description{font-size:14px;line-height:1.7;margin-top:18px;overflow-wrap:anywhere}.danger-button{background:#a64d3e;color:#fff;padding:13px 17px;border-radius:9px;font-weight:600}.form-error{font-size:12px;line-height:1.6;color:#a14135;min-height:18px;margin:13px 0}.form-error:empty{min-height:0;margin:14px 0}.admin-toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:#204d39;color:#fff;border:1px solid #66855e;box-shadow:0 6px 25px #1b3a2326;border-radius:12px;padding:14px 22px;font-size:13px;z-index:100;max-width:90vw}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
@media(max-width:800px){.login-layout{gap:30px;margin:45px auto}.login-intro h1{font-size:39px}.login-card{padding:25px}.stats>div{padding:16px;display:block}.stats b{display:block;margin-top:10px}.room-list{grid-template-columns:1fr}.header-right>span{display:none}}@media(max-width:560px){.admin-header{height:76px;padding:0 20px}.login-layout{display:block;margin:32px auto;padding:0 20px}.login-intro h1{font-size:37px;margin:15px 0}.login-intro>p{font-size:14px}.intro-note{display:none}.login-card{margin-top:30px}.dashboard{padding:28px 18px}.page-heading{display:block}.page-heading h1{font-size:31px}.page-heading>.primary{margin-top:20px;width:100%}.stats{gap:8px;margin:22px 0}.stats>div{padding:14px 10px}.stats span{font-size:10px;line-height:1.45;display:block;min-height:29px}.stats b{font-size:21px}.list-toolbar{align-items:stretch;gap:8px}.list-toolbar .secondary{font-size:10px;padding:8px 10px}.search-label input{font-size:12px;padding:12px}.room-card{padding:19px}.card-top h2{font-size:18px}.copy-link{font-size:10px;padding:0 8px}.admin-footer{padding:22px 20px;font-size:10px}.admin-page dialog{padding:24px}.dialog-actions .primary,.dialog-actions .secondary,.danger-button{font-size:12px;padding:12px 14px}}