:root{--ink: #1f2a2e;--ink-soft: #5b6b70;--line: #dde3e5;--bg: #f6f4ef;--card: #fff;--amber: #e0a030;--sage: #5a8f6a;--coral: #c1543c;font-family:system-ui,-apple-system,Segoe UI,sans-serif;color:var(--ink);background:var(--bg)}body{margin:0}button{font:inherit;border:0;border-radius:8px;padding:8px 14px;background:var(--ink);color:#fff;cursor:pointer}button:disabled{opacity:.5;cursor:default}button.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}button.link{background:none;color:var(--ink-soft);padding:2px 4px;text-decoration:underline}input,select{font:inherit;padding:7px 10px;border:1px solid var(--line);border-radius:8px;background:#fff}.topbar{display:flex;align-items:center;gap:16px;flex-wrap:wrap;padding:12px 20px;background:var(--ink);color:#fff}.topbar nav{display:flex;gap:16px}.topbar a{color:#cfd8dc;text-decoration:none}.topbar a.active{color:#fff;font-weight:600}.topbar a.brand{display:inline-flex;align-items:center;color:#fff}.logo{display:inline-flex;align-items:center;gap:8px}.logo-name{font-family:Georgia,Times New Roman,serif;font-size:20px;color:#fff}.logo-i{color:#e0a030}.topbar button.ghost{color:#fff;border-color:#ffffff40}.spacer{flex:1}.page{max-width:1100px;margin:0 auto;padding:20px 16px}.toolbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:16px}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px;margin-bottom:16px}.stat{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:12px;font-size:13px;color:var(--ink-soft)}.stat .num{font-size:26px;font-weight:700;color:var(--ink)}.stat.warn .num{color:var(--coral)}.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px}.late-form{display:grid;gap:10px;margin-bottom:16px;max-width:480px}.late-form fieldset{border:0;padding:0;display:grid;gap:6px}.hint{margin:0;color:var(--ink-soft);font-size:13px}table{width:100%;border-collapse:collapse;background:var(--card);border-radius:12px;overflow:hidden}th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);font-size:14px;vertical-align:top}th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--ink-soft)}.mono{font-family:ui-monospace,monospace}.info{font-size:12.5px;color:var(--ink-soft)}.info .warn{color:var(--coral);font-weight:600}.actions{white-space:nowrap}.empty{color:var(--ink-soft);text-align:center}.error{color:var(--coral)}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:600;background:var(--line)}.badge.checked_in{background:#dcebe0;color:var(--sage)}.badge.late,.badge.with_teacher{background:#f7e7c6;color:#8a5c00}.badge.not_handed_in,.badge.not_checked_out{background:#f5d9d2;color:var(--coral)}.badge.no_school_day,.badge.checked_out{background:#e3e8ea;color:var(--ink-soft)}.login{min-height:100vh;display:grid;place-items:center;padding:16px}.login .card{display:grid;gap:12px;width:min(360px,100%)}.login h1{margin:0;font-size:22px}@media(max-width:700px){table,thead,tbody,tr,th,td{display:block}thead{display:none}tr{border-bottom:1px solid var(--line);padding:8px 0}td{border:0;padding:4px 12px}}.notice{border-color:var(--amber)}.slips{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:12px;margin-bottom:16px}.slip{background:var(--card);border:2px dashed var(--line);border-radius:12px;padding:16px;break-inside:avoid;page-break-inside:avoid}.slip-school{font-size:12px;color:var(--ink-soft)}.slip-name{font-size:20px;font-weight:700;margin-top:4px}.slip-meta{color:var(--ink-soft);font-size:14px}.slip-label{margin-top:12px;font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-soft)}.slip-code{font-size:30px;font-weight:700;letter-spacing:.08em}.slip-help{margin-top:8px;font-size:12px;color:var(--ink-soft)}.qr-sheet{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px}.qr-tile{background:#fff;border:2px dashed var(--line);border-radius:12px;padding:16px;text-align:center;break-inside:avoid;page-break-inside:avoid}.qr-tile svg{width:100%;height:auto;max-width:200px;background:#fff;padding:8px}.qr-tile-school{font-size:11px;color:var(--ink-soft);margin-bottom:6px}.qr-tile-label{font-size:26px;font-weight:700;margin-top:6px}.qr-tile-help{font-size:11px;color:var(--ink-soft);margin-top:4px}@media print{.qr-sheet{grid-template-columns:repeat(3,1fr);gap:8mm}.qr-tile{border-color:#999;padding:6mm}.qr-tile svg{max-width:55mm}.qr-tile-label{font-size:22pt}.qr-tile-help,.qr-tile-school{font-size:9pt}.topbar,.no-print{display:none!important}.page{max-width:none;padding:0}.slips{grid-template-columns:repeat(2,1fr);gap:10mm}.slip{border-color:#999}body{background:#fff}}.field{display:flex;flex-direction:column;gap:4px;min-width:150px}.field label{font-size:13px;color:var(--ink-soft)}.field-row{display:flex;gap:16px;flex-wrap:wrap;margin:12px 0}.switch{display:flex;gap:10px;align-items:flex-start;margin:10px 0;cursor:pointer}.switch input{margin-top:4px}.switch small{display:block;color:var(--ink-soft);margin-top:2px}.warn{color:var(--amber);font-size:13px}.inline-check{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--ink-soft)}.qr-dev{margin-top:8px;font-size:11px;color:var(--ink-soft);word-break:break-all;text-align:left}.qr-dev code{-webkit-user-select:all;user-select:all}.trend{display:grid;gap:4px;margin-bottom:24px}.trend-row{display:grid;grid-template-columns:100px 1fr 56px;gap:10px;align-items:center;font-size:13px}.trend-bar{background:var(--line);border-radius:6px;height:12px;overflow:hidden}.trend-bar>div{background:var(--sage);height:100%}.position-options{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px;margin:8px 0}.position-option{border:1px solid var(--line);border-radius:10px;padding:12px;display:flex;flex-direction:column;gap:8px;align-items:flex-start}.position-option .hint{margin:0}.position-option input{width:100%;box-sizing:border-box}