:root{--blue:#0877bd;--blue2:#2e82c8;--pale:#f3f9fd;--text:#172433;--muted:#5f7486;--border:#c9dce8;--green:#287e51;--red:#a23333}*{box-sizing:border-box}body{margin:0;font-family:Arial,"Segoe UI",sans-serif;color:var(--text);background:#f7fafc;font-size:15px;line-height:1.6}button,input,select{font:inherit}button,a,input,select{touch-action:manipulation}button,a{cursor:pointer}a{color:#176c9f}button,.button{border:1px solid #adc8d9;background:#fff;color:#176c9f;padding:9px 15px;border-radius:7px;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:7px;font-weight:700}button:hover,.button:hover{background:#eaf5fc}button:disabled{opacity:.55;cursor:wait}.primary{background:var(--blue2);border-color:var(--blue2);color:#fff}.primary:hover{background:var(--blue)}.danger{color:var(--red);border-color:#dab5b5}.danger:hover{background:#fff2f2}:focus-visible{outline:3px solid #d99322;outline-offset:3px}[hidden]{display:none!important}.header{background:var(--pale);border-bottom:1px solid var(--border);padding:18px 30px;display:flex;justify-content:space-between;align-items:center;gap:24px}.logo{width:185px;height:auto;display:block}.brand{font-size:24px;font-weight:800;color:#2d7dc4;line-height:1.3}.sub{color:var(--muted);font-size:13px;margin:5px 0}.header .links{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.workspace{display:grid;grid-template-columns:235px minmax(0,1fr);min-height:calc(100vh - 110px)}aside{background:#fff;border-inline-end:1px solid var(--border);padding:24px 16px}aside nav{display:grid;gap:8px;position:sticky;top:20px}.nav-button{flex-direction:column;align-items:flex-start;gap:0;border:0;justify-content:flex-start;background:transparent;color:#425e74;padding:12px 14px;text-align:start}.nav-button.active{background:#e7f3fc;color:#0877bd}.nav-button small{display:block;font-weight:400}.admin-main{min-width:0;padding:28px 32px 64px;max-width:1600px;width:100%;margin:0 auto;align-self:start}h1{color:#2c72b4;font-size:28px;line-height:1.4;margin:0}h2{font-size:20px;color:#2b6eaa;margin:0 0 15px}h3{font-size:16px;margin:0 0 9px}.toolbar{display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap;margin-bottom:22px}.cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin:24px 0}.card,.panel{border:1px solid var(--border);border-radius:12px;background:#fff;padding:20px;min-width:0}.card .value{font-size:34px;font-weight:800;color:#2d7dc4;line-height:1.3}.card .label{color:var(--muted);font-size:13px}.card p{margin:6px 0;color:#5f7486}.panel+.panel{margin-top:20px}.grid-two{display:grid;grid-template-columns:1fr 1fr;gap:20px}.progress-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px;margin-top:20px}.track{height:9px;background:#e8f0f5;border-radius:12px;overflow:hidden;margin:13px 0 7px}.track i{display:block;height:100%;background:#2e82c8}.bar-row{display:grid;grid-template-columns:minmax(0,1fr) 62px;gap:15px;align-items:center;border-bottom:1px solid #edf2f6;padding:13px 0}.bar-row:last-child{border:0}.bar-row .track{margin:7px 0}.muted{color:var(--muted)}.small{font-size:12px}.table-wrap{overflow-x:auto;max-width:100%;background:white;border:1px solid var(--border);border-radius:10px}table{border-collapse:collapse;width:100%;font-size:13px}th{text-align:start;background:#edf6fc;color:#255776;font-weight:700;white-space:nowrap}th,td{padding:13px 14px;border-bottom:1px solid #e2eaf0;vertical-align:top}td{overflow-wrap:anywhere}tr:last-child td{border-bottom:0}tbody tr:hover{background:#fafcfe}.students-table{min-width:950px}.detail-table{min-width:620px}.actions{display:flex;gap:7px;flex-wrap:wrap}.actions button{padding:5px 9px;font-size:12px}.badge{display:inline-block;border-radius:30px;font-size:12px;padding:3px 9px;background:#eef4f8;color:#4e677a;white-space:nowrap}.badge.good{background:#e8f5ee;color:#26764b}.badge.warn{background:#fff4df;color:#8b631c}.badge.bad{background:#fbecec;color:#a23333}input,select{border:1px solid #afc7d8;border-radius:6px;background:white;color:var(--text);padding:10px 12px;width:100%;min-width:0}input[type=checkbox]{width:18px;height:18px;accent-color:var(--blue)}label{display:grid;gap:6px;font-weight:700;font-size:13px}label small{font-weight:400;color:var(--muted)}.fields{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:20px 0}.full{grid-column:1/-1}.checks{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.check{display:flex;align-items:flex-start;gap:9px;border:1px solid #d8e4ed;border-radius:7px;padding:11px;font-size:13px;font-weight:400}.check input{flex-shrink:0;margin-top:3px}.search{max-width:330px}.notice{border:1px solid #b9d6e8;background:#eef8ff;color:#28546f;border-radius:8px;padding:12px 16px;margin:14px 0;overflow-wrap:anywhere}.notice.error{background:#fff2f2;border-color:#e0b5b5;color:#9e3030}.notice.success{background:#ecf8f0;color:#26764b;border-color:#b4d7c0}.empty{text-align:center;padding:55px 20px}.empty h2{margin-bottom:7px}.empty p{color:var(--muted)}.auth-wrap{max-width:510px;margin:55px auto;padding:0 18px}.auth-wrap .panel{padding:28px}.auth-wrap label{margin:18px 0}.auth-wrap .logo{margin:0 auto 24px;width:205px}.auth-wrap .brand{text-align:center;font-size:22px}.auth-wrap h1{font-size:24px;margin-top:8px}.auth-wrap button[type=submit]{width:100%;margin-top:12px}.codes{background:#edf6fc;padding:16px;border-radius:8px;word-break:break-all;white-space:pre-wrap;direction:ltr;font:15px monospace}.footer{font-size:11px;color:#627789;margin-top:24px;text-align:center}dialog{border:1px solid #a9c4d7;border-radius:12px;width:min(720px,calc(100% - 28px));max-height:90vh;padding:24px;color:var(--text)}dialog::backdrop{background:#15354f88}.dialog-head{display:flex;justify-content:space-between;gap:15px}.dialog-head button{padding:4px 10px}.details-head{display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px}.health-list{padding:0;list-style:none}.health-list li{display:flex;justify-content:space-between;border-bottom:1px solid #e5eef4;padding:10px 0;gap:15px}.note-link{overflow-wrap:anywhere;word-break:break-all}.section-title{margin-top:30px}details>summary{cursor:pointer;color:#176c9f;font-weight:700;padding:12px 0}details .table-wrap{margin-bottom:18px}.filter-row{display:flex;gap:12px;flex-wrap:wrap;margin:18px 0}.filter-row input{max-width:420px}.filter-row select{max-width:260px}.danger-zone{border-color:#e0b5b5;background:#fffafa}.percent{color:#2d7dc4;font-size:24px;font-weight:700}.toast{position:fixed;bottom:20px;inset-inline-end:20px;z-index:20;max-width:calc(100vw - 40px);box-shadow:0 8px 24px #17374f22}.avatar{width:34px;height:34px;border-radius:50%;background:#e7f3fb;color:#2873ad;display:inline-flex;align-items:center;justify-content:center;font-weight:800}.student-name{display:flex;gap:10px;align-items:center}.student-name b{display:block}.kicker{text-transform:uppercase;letter-spacing:1.2px;font-size:11px;color:#6d8ba0;font-weight:700}.no-wrap{white-space:nowrap}@media(max-width:1050px){.workspace{grid-template-columns:195px minmax(0,1fr)}.admin-main{padding:24px 20px}.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.progress-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-two{grid-template-columns:1fr}.brand{font-size:20px}}@media(max-width:700px){.header{padding:15px;flex-wrap:wrap;gap:14px}.header .logo{width:130px}.brand{font-size:17px}.header .links{width:100%;justify-content:flex-end}.workspace{display:block}aside{padding:10px 12px;border-inline-end:0;border-bottom:1px solid var(--border)}aside nav{display:flex;flex-wrap:wrap;gap:5px}.nav-button{font-size:12px;padding:8px 10px}.nav-button small{display:none}.admin-main{padding:20px 14px 55px}.cards{gap:10px}.card,.panel{padding:16px}.card .value{font-size:28px}h1{font-size:24px}.fields,.checks,.progress-grid{grid-template-columns:1fr}.full{grid-column:auto}.auth-wrap{margin:28px auto}.auth-wrap .panel{padding:20px}.toolbar{gap:10px}.toolbar .actions{width:100%}.search{max-width:100%}.notice{font-size:13px}dialog{padding:18px}.header button,.header .button{font-size:12px;padding:7px 10px}}