:root{--navy:#102a43;--blue:#1f6feb;--teal:#0f766e;--ink:#243b53;--muted:#627d98;--line:#d9e2ec;--bg:#f5f7fa;--card:#fff;--danger:#b42318;--warn:#b54708;--ok:#087443}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;padding-bottom:76px}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button{cursor:pointer;border:0}.topbar{position:sticky;top:0;z-index:5;background:var(--navy);color:#fff;padding:14px max(18px,calc((100vw - 760px)/2));display:flex;justify-content:space-between;align-items:center}.topbar h1{font-size:20px;margin:1px 0 0}.eyebrow{font-size:10px;letter-spacing:1.3px;opacity:.68}.top-actions{display:flex;gap:10px;align-items:center}.user-name{font-size:13px;opacity:.85}.icon-button{width:34px;height:34px;border:1px solid #55718b;border-radius:8px;display:grid;place-items:center}.view{max-width:760px;margin:0 auto;padding:20px 16px}.hidden{display:none!important}.section-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:15px}.section-head.compact{margin-top:24px;margin-bottom:10px;align-items:center}.section-head h2,.section-head h3{margin:0}.section-head h2{font-size:23px}.section-head h3{font-size:16px}.muted{color:var(--muted);margin:3px 0 0;font-size:13px}.ghost,.primary,.tile{border-radius:8px;padding:9px 13px}.ghost{background:#e7eef5;color:var(--navy)}.primary{background:var(--blue);color:#fff;font-weight:600}.primary.small{padding:8px 10px;font-size:13px}.kpi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:14px}.kpi{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:13px}.kpi b{display:block;font-size:21px;color:var(--navy)}.kpi span{font-size:12px;color:var(--muted)}.attendance-card{background:linear-gradient(135deg,#e7f6f2,#fff);border:1px solid #b7e4d9;border-radius:10px;padding:14px;margin-bottom:12px}.attendance-card .row{display:flex;justify-content:space-between;align-items:center;gap:10px}.stack{display:grid;gap:10px}.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px}.card h3{margin:0 0 5px;font-size:16px}.card p{margin:3px 0;color:var(--muted);font-size:13px}.card .meta{display:flex;flex-wrap:wrap;gap:7px;margin-top:9px;font-size:12px;color:var(--muted)}.badge{display:inline-flex;padding:2px 8px;border-radius:999px;background:#edf2f7;color:var(--muted);font-size:12px}.badge.danger{background:#fee4e2;color:var(--danger)}.badge.warn{background:#fef0c7;color:var(--warn)}.badge.ok{background:#dcfae6;color:var(--ok)}.toolbar{display:flex;gap:8px;margin-bottom:12px}.toolbar input,.toolbar select,form input{width:100%;border:1px solid var(--line);border-radius:8px;background:#fff;padding:10px 11px}.toolbar select{max-width:135px}.source-note{font-size:12px;color:var(--muted);background:#eef4f8;border-radius:8px;padding:8px 10px;margin-bottom:10px}.more-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.tile{background:#fff;border:1px solid var(--line);min-height:74px;color:var(--navy)}.login-page{display:grid;place-items:center;min-height:100vh;padding:20px}.login-card{width:min(380px,100%);background:#fff;border:1px solid var(--line);border-radius:12px;padding:28px;box-shadow:0 10px 30px #102a4314}.brand-mark{width:42px;height:42px;background:var(--navy);color:#fff;border-radius:9px;display:grid;place-items:center;font-weight:700;letter-spacing:1px}.login-card h1{margin:14px 0 0}.login-card form{display:grid;gap:14px;margin-top:22px}.login-card label{display:grid;gap:6px;font-weight:600}.login-card .primary{width:100%;padding:11px}.hint{font-size:12px;color:var(--muted);margin:18px 0 0}.alert{border-radius:8px;padding:9px 10px;margin-top:15px;font-size:13px}.danger{background:#fee4e2;color:var(--danger)}.bottom-nav{position:fixed;z-index:8;bottom:0;left:0;right:0;height:64px;background:#fff;border-top:1px solid var(--line);display:flex;justify-content:center;padding-bottom:env(safe-area-inset-bottom)}.bottom-nav a{width:20%;max-width:150px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--muted);font-size:21px;line-height:1}.bottom-nav a span{font-size:11px;margin-top:4px}.bottom-nav a.active{color:var(--blue);font-weight:700}@media(max-width:380px){.view{padding:16px 11px}.topbar{padding-left:12px;padding-right:12px}.user-name{display:none}.kpi{padding:10px 8px}.kpi b{font-size:18px}.kpi span{font-size:11px}.more-grid{gap:6px}.tile{font-size:12px}}
.warn-card{border-color:#f5c26b;background:#fef7ec}.warn-card p{color:#8a5a00}
.danger-card{border-color:#f3a6a0;background:#fef3f2}.danger-card p{color:#a1201a}