:root{--navy:#172554;--blue:#3157d5;--sky:#eaf0ff;--ink:#182230;--muted:#778196;--line:#e7ebf3;--bg:#f6f8fc;--green:#16845b;--red:#b42318;--orange:#b96913}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg);font-size:14px}a{color:inherit;text-decoration:none}button,input,select{font:inherit}.app-shell{min-height:100vh}.sidebar{width:248px;position:fixed;inset:0 auto 0 0;background:#fff;border-right:1px solid var(--line);padding:24px 16px;display:flex;flex-direction:column;z-index:10}.brand{display:flex;align-items:center;gap:11px;padding:0 10px 30px}.brand b{display:block;font-size:18px;letter-spacing:-.5px}.brand small{display:block;font-size:9px;letter-spacing:1.5px;color:var(--muted);margin-top:4px}.brand-mark{width:48px;height:48px;border-radius:15px;display:grid;place-items:center;background:linear-gradient(135deg,#3157d5,#6c83ff);color:#fff;font-size:25px;font-weight:800;box-shadow:0 8px 20px #3157d52c}.small-mark{width:38px;height:38px;border-radius:12px;font-size:20px}.sidebar nav{display:grid;gap:7px}.sidebar nav a{padding:12px 14px;border-radius:10px;color:#68748a;font-weight:600;display:flex;gap:13px;align-items:center}.sidebar nav a span{font-size:19px;width:20px;text-align:center}.sidebar nav a.active,.sidebar nav a:hover{background:var(--sky);color:var(--blue)}.sidebar-bottom{margin-top:auto}.user-chip{display:flex;align-items:center;gap:10px;border-top:1px solid var(--line);padding:18px 5px 12px}.avatar{width:36px;height:36px;display:grid;place-items:center;border-radius:50%;background:#e5eaff;color:var(--blue);font-weight:800}.user-chip b,.user-chip small{display:block}.user-chip small{color:var(--muted);margin-top:3px}.logout{display:block;padding:10px;color:#68748a}.main-area{margin-left:248px;min-height:100vh;display:flex;flex-direction:column}.topbar{height:95px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:20px 34px}.topbar h1{font-size:24px;letter-spacing:-.6px;margin:5px 0 0}.eyebrow{font-size:10px;letter-spacing:1.7px;color:#8b95a8;font-weight:800}.top-date{border:1px solid var(--line);padding:10px 14px;border-radius:9px;color:#596579;font-weight:600}.content{padding:28px 34px;flex:1;max-width:1600px;width:100%;margin:0 auto}.footer{padding:18px 34px;color:#98a1b2;font-size:12px;border-top:1px solid var(--line);background:#fff}.menu-toggle{display:none}.welcome-panel{padding:28px 32px;border-radius:18px;background:linear-gradient(115deg,#20388c,#4265e9 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14px;display:inline-flex;justify-content:center;align-items:center;gap:7px;font-weight:700;cursor:pointer;white-space:nowrap}.btn.primary{background:var(--blue);color:white}.btn.primary:hover{background:#2446bd}.btn.white{background:#fff;color:#2949bf}.btn.outline{border-color:#dfe5f0;background:#fff;color:#45516a}.btn.danger{background:#fff0ef;color:#b42318}.btn.tiny{padding:6px 9px;font-size:12px}.btn.full{width:100%}.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin:22px 0 30px}.stat-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;min-width:0}.stat-card>span{display:block;color:#6d788c;margin:12px 0 5px}.stat-card strong{font-size:30px;letter-spacing:-1px;display:block}.stat-card small{color:#98a1b2;display:block;margin-top:5px}.stat-icon{width:39px;height:39px;display:grid;place-items:center;border-radius:12px;font-size:20px}.blue{background:#eaf0ff;color:#3157d5}.green{background:#e6f7ef;color:#16845b}.orange{background:#fff2df;color:#b96913}.purple{background:#f0eaff;color:#7c48c9}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:15px;margin:26px 0 14px}.section-heading h2,.panel-heading h2{font-size:17px;margin:0 0 5px}.section-heading p,.panel-heading p{margin:0;color:var(--muted);font-size:12px}.table-card,.panel{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;white-space:nowrap}th{text-align:left;color:#8993a5;font-size:10px;letter-spacing:.7px;text-transform:uppercase;background:#fbfcfe;padding:14px 18px}td{padding:15px 18px;border-top:1px solid #eff1f6;color:#5c687c}td b{color:#263247}.empty{text-align:center;padding:35px;color:#8b95a8;white-space:normal}.status{display:inline-block;padding:5px 9px;border-radius:20px;font-size:11px;font-weight:800}.status.present{background:#e5f8ef;color:#16845b}.status.late{background:#fff1dc;color:#a85e0b}.two-column{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(270px,.8fr);gap:18px}.panel{padding:22px}.panel-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}.form-grid label,.report-filter label,.login-card label,.scan-layout label{display:grid;gap:7px;font-size:12px;color:#68748a;font-weight:700}input,select{width:100%;border:1px solid #dfe5ef;border-radius:9px;padding:11px 12px;color:#263247;background:#fff;outline:none;min-width:0}input:focus,select:focus{border-color:#7188ef;box-shadow:0 0 0 3px 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p{margin:6px 0;color:#68748a;font-size:12px}.qr{width:112px;height:112px;flex-shrink:0}.qr img,.qr canvas{max-width:100%;height:auto!important}.card-bottom{border-top:1px dashed #dfe5ef;padding:10px 16px;text-align:center;color:#8a94a7;font-size:10px}.report-filter{margin-bottom:22px}.filter-grid{display:grid;grid-template-columns:1fr 1fr 1fr auto auto;gap:10px;align-items:end}.alert{padding:12px 14px;border-radius:9px;margin-bottom:18px;font-weight:600}.alert.success{background:#e7f8ef;color:#126e4a}.alert.error{background:#fff0ef;color:#b42318}.login-page{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 15% 15%,#dfe7ff,transparent 35%),radial-gradient(circle at 90% 85%,#dceeff,transparent 30%),#f6f8fc}.login-card{width:100%;max-width:420px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:34px;box-shadow:0 20px 70px #17255412}.login-card .brand-mark{margin-bottom:24px}.login-card h1{font-size:28px;margin:8px 0}.login-card form{display:grid;gap:10px;margin-top:25px}.login-card form .btn{margin-top:10px;padding:13px}.login-card .muted{line-height:1.6}.login-card .small{margin-top:20px}.login-card code{background:#f1f3f9;padding:2px 4px;border-radius:4px}@media(max-width:1100px){.sidebar{width:220px}.main-area{margin-left:220px}.content{padding:24px}.stats-grid{grid-template-columns:repeat(2,1fr)}.filter-grid{grid-template-columns:repeat(2,1fr)}.two-column,.scan-layout{grid-template-columns:1fr}}@media(max-width:720px){.sidebar{transform:translateX(-100%);transition:transform .2s ease;box-shadow:10px 0 35px #17255418}.sidebar-open .sidebar{transform:translateX(0)}.main-area{margin-left:0}.topbar{height:78px;padding:15px 18px;gap:10px}.topbar h1{font-size:20px}.top-date{font-size:11px;padding:8px}.menu-toggle{display:block;border:1px solid var(--line);background:white;border-radius:8px;padding:8px 10px}.content{padding:18px 14px}.welcome-panel{padding:22px;border-radius:14px}.welcome-panel h2{font-size:22px}.welcome-art{width:64px;height:64px;font-size:40px;margin-right:0;border-radius:20px}.stats-grid{gap:10px;margin:16px 0 25px}.stat-card{padding:14px}.stat-card strong{font-size:25px}.stat-card>span{font-size:12px}.stat-card small{font-size:10px}.section-heading{align-items:flex-start;flex-wrap:wrap}.section-heading h2{font-size:16px}.section-heading .btn{font-size:12px}.form-grid{grid-template-columns:1fr}.two-column,.scan-layout{gap:14px}.panel{padding:16px}.search-form{width:100%;max-width:none}.search-form input{min-width:0}.cards-grid{grid-template-columns:1fr}.filter-grid{grid-template-columns:1fr}.footer{padding:15px}.welcome-panel:after{right:-180px}.topbar .eyebrow{font-size:8px}.actions{white-space:normal}}@media print{body{background:white}.sidebar,.topbar,.footer,.no-print,.section-heading button,.alert{display:none!important}.main-area{margin:0}.content{padding:0;max-width:none}.cards-grid{grid-template-columns:repeat(2,1fr);gap:8mm}.student-card{border:1px solid #aaa;page-break-inside:avoid}.card-top{-webkit-print-color-adjust:exact;print-color-adjust:exact}.card-body{padding:12px}.student-card{width:100%}.qr{width:100px;height:100px}.card-bottom{font-size:9px}}

.hidden{display:none!important}