:root{--navy:#12243a;--blue:#1769aa;--bg:#f3f6fa;--text:#1d2a3a;--muted:#718096;--line:#e4eaf1;--white:#fff}*{box-sizing:border-box}body{margin:0;background:var(--bg);font:14px/1.5 Inter,Segoe UI,Arial,sans-serif;color:var(--text)}a{text-decoration:none;color:inherit}.app-shell{display:flex;min-height:100vh}.sidebar{width:255px;background:var(--navy);color:#dbe7f4;padding:22px 14px;display:flex;flex-direction:column;flex-shrink:0}.brand{font-size:25px;font-weight:800;letter-spacing:1px;padding:0 14px 22px;color:white}.brand span{color:#65c2ff}.user-mini{margin:0 8px 20px;padding:12px;background:#ffffff12;border-radius:9px;font-weight:600}.user-mini small{display:block;color:#a9bfd4;font-weight:400}.sidebar nav{display:grid;gap:4px}.sidebar nav a,.logout{padding:10px 12px;border-radius:7px;color:#d6e3f0}.sidebar nav a:hover,.logout:hover{background:#ffffff18;color:#fff}.logout{margin-top:auto}.main{flex:1;min-width:0}.topbar{height:65px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 28px;font-weight:700}.content{padding:26px;max-width:1600px;margin:auto}.footer{padding:14px 28px;color:var(--muted);font-size:12px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:16px}.card,.panel{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px;box-shadow:0 3px 12px #1d355708}.stat{font-size:28px;font-weight:800;margin-top:5px}.muted{color:var(--muted)}.panel{margin-top:18px}.panel h3{margin:0 0 15px}.btn{border:0;border-radius:7px;padding:9px 14px;background:var(--blue);color:#fff;cursor:pointer;font-weight:600;display:inline-block}.btn.secondary{background:#eaf1f8;color:#234}.btn.danger{background:#c0392b}.toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.field label{display:block;font-weight:600;margin-bottom:5px}.field input,.field select,.field textarea,.search{width:100%;padding:10px 11px;border:1px solid #ccd6e2;border-radius:7px;background:#fff;font:inherit}.field textarea{min-height:80px}.field.full{grid-column:1/-1}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;background:#fff}th,td{padding:11px 12px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}th{background:#f7f9fc;color:#526174;font-size:12px;text-transform:uppercase;letter-spacing:.4px}.badge{padding:4px 8px;border-radius:20px;font-size:11px;font-weight:700;background:#e8eef5}.badge.green{background:#e2f6eb;color:#147a43}.badge.red{background:#ffe6e4;color:#b42318}.badge.orange{background:#fff1d9;color:#9a5b00}.alert{padding:12px 15px;border-radius:8px;margin-bottom:15px}.alert.success{background:#e3f7eb;color:#176b3a}.alert.error{background:#ffebe9;color:#a1261d}.alert.warning{background:#fff4dc;color:#805500}.empty{padding:25px;text-align:center;color:var(--muted)}.login-wrap{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#10243a,#1769aa)}.login-card{width:min(430px,92vw);background:#fff;padding:32px;border-radius:16px;box-shadow:0 20px 70px #0003}.login-card h1{margin:0 0 4px}.login-card .field{margin:15px 0}.login-card .btn{width:100%;padding:12px}.actions{display:flex;gap:8px;align-items:center}.late-row{background:#fff0ef}.on-time-row{background:#f0fff6}@media(max-width:850px){.sidebar{width:210px}.content{padding:16px}}@media(max-width:650px){.app-shell{display:block}.sidebar{width:100%;padding:12px}.sidebar nav{grid-template-columns:repeat(2,1fr)}.logout{margin-top:10px}.topbar{padding:0 15px}.form-grid{grid-template-columns:1fr}.content{padding:12px}}