:root{color-scheme:light;--ink:#183a32;--muted:#718079;--green:#1f7058;--green-dark:#165641;--mint:#e8f2ed;--paper:#fffefa;--line:#e7e9e2;--warm:#f6f5ef;--orange:#edaa68;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--warm);color:var(--ink)}button,input{font:inherit}button{cursor:pointer}.page{width:min(100% - 36px,1000px);margin:0 auto;padding:28px 0 40px}header{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:34px}.brand{display:flex;align-items:center;gap:12px}.brand-mark{width:42px;height:42px;display:grid;place-items:center;border-radius:14px;background:var(--green);color:#fff;font-size:26px}.brand-name{font-size:15px;font-weight:750;letter-spacing:-.02em}.brand-sub{margin-top:2px;color:var(--muted);font-size:12px}.date-chip{color:#587066;background:#eeefe8;border-radius:999px;padding:9px 13px;font-size:12px;font-weight:650}main{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(280px,.75fr);gap:22px;align-items:start}.left-column{display:grid;gap:17px}.welcome{padding:14px 4px 5px}.eyebrow{color:var(--green);font-size:12px;font-weight:750;letter-spacing:.11em;text-transform:uppercase}h1{margin:10px 0 8px;max-width:600px;font-size:clamp(30px,5vw,44px);line-height:1.08;letter-spacing:-.055em}.intro{margin:0;color:var(--muted);font-size:15px;line-height:1.6}.qr-note{margin:13px 0 0;padding:11px 13px;border-radius:11px;color:#577166;background:#eef4ef;font-size:12px;line-height:1.5}.card{background:var(--paper);border:1px solid var(--line);border-radius:21px;box-shadow:0 8px 30px #253b2b08}.checkin{padding:25px}.card-head{display:flex;justify-content:space-between;align-items:flex-start;gap:14px}h2{margin:0;font-size:18px;letter-spacing:-.025em}.card-hint{margin:5px 0 0;color:var(--muted);font-size:13px;line-height:1.5}.status{flex:none;display:inline-flex;align-items:center;gap:7px;padding:7px 10px;border-radius:999px;color:#61736b;background:#f0f1ec;font-size:11px;font-weight:700}.status:before{content:"";width:7px;height:7px;border-radius:50%;background:#98a39c}.status.active{color:#216348;background:#e8f4eb}.status.active:before{background:#3a9c66}.status.paused,.status.low{color:#935a25;background:#fff1e1}.status.paused:before,.status.low:before{background:var(--orange)}.status.full{color:#9a433d;background:#fcebe8}.status.full:before{background:#d97064}.identity{margin-top:23px;display:grid;grid-template-columns:1fr 1fr;gap:13px}.field label{display:block;margin:0 0 7px;color:#54655d;font-size:12px;font-weight:700}.field input{width:100%;height:44px;border:1px solid #dfe4dc;border-radius:11px;padding:0 13px;color:var(--ink);background:#fff;outline:none}.field input:focus{border-color:#6ba28a;box-shadow:0 0 0 3px #1f705815}.field input:disabled{background:#f7f8f4;color:#5e6d65}.full{grid-column:1/-1}.primary,.secondary,.outline{min-height:46px;border:0;border-radius:12px;font-weight:750}.primary{width:100%;color:#fff;background:var(--green)}.primary:hover{background:var(--green-dark)}.primary:disabled{opacity:.45;cursor:not-allowed}.secondary{width:100%;color:var(--green-dark);background:var(--mint)}.outline{width:100%;color:#6e5142;background:#fff;border:1px solid #eadfd8}.profile-note,.admin-note{margin:12px 0 0;color:#87918a;font-size:11px;line-height:1.5}.active-panel{margin-top:23px;padding-top:19px;border-top:1px solid var(--line)}.timer-wrap{display:flex;justify-content:space-between;align-items:end;gap:10px;margin-bottom:18px}.timer-label{color:var(--muted);font-size:12px;font-weight:650}.timer{margin-top:4px;font-size:33px;line-height:1;font-weight:780;letter-spacing:-.05em;font-variant-numeric:tabular-nums}.mini-stats{display:flex;gap:18px;text-align:right}.mini-stat b{display:block;font-size:15px;font-variant-numeric:tabular-nums}.mini-stat span{display:block;margin-top:3px;color:var(--muted);font-size:10px}.actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}.occupancy-card{padding:22px}.occupancy-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.occupancy-heading h2{font-size:17px}.occupancy-value{margin-top:4px;color:var(--green);font-size:14px;font-weight:750}.occupancy-value strong{font-size:23px;letter-spacing:-.04em}.occupancy-map{margin-top:17px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.desk{min-height:64px;display:grid;place-items:center;gap:1px;border:1px solid #e7eae3;border-radius:12px;background:#f7f8f4;color:#a0aaa3}.desk.occupied{color:var(--green);background:#e8f2ed;border-color:#d5e7dc}.desk.paused{color:#a86325;background:#fff0df;border-color:#f1d8bb}.desk svg{width:27px;height:25px}.desk-label{font-size:9px;font-weight:700}.occupancy-legend{margin-top:12px;display:flex;justify-content:space-between;gap:8px;color:#77847c;font-size:10px}.occupancy-note{text-align:right}.duty-card{padding:17px 19px;display:flex;align-items:center;gap:12px}.duty-mark{width:39px;height:39px;display:grid;place-items:center;flex:none;border-radius:13px;color:#8a612d;background:#fbf0dc;font-size:18px}.duty-label{color:var(--muted);font-size:11px;font-weight:650}.duty-name{margin-top:3px;font-size:14px;font-weight:760;overflow-wrap:anywhere}.weekly-card,.history-card{padding:20px}.weekly-grid{margin-top:14px;display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.weekly-stat{padding:10px;border-radius:12px;background:#f5f6f1}.weekly-stat b{display:block;font-size:16px;font-variant-numeric:tabular-nums}.weekly-stat span{display:block;margin-top:4px;color:var(--muted);font-size:10px}.history-title{display:flex;align-items:center;justify-content:space-between;gap:12px}.history-title h2{font-size:17px}.history-count{color:#6d7f75;font-size:11px;font-weight:700}.student-badge{margin-top:14px;padding:11px;border-radius:12px;background:#f5f6f1;font-size:12px;font-weight:700}.history-list{margin-top:6px}.visit{padding:12px 0;border-bottom:1px solid #eef0ea}.visit:last-child{border-bottom:0}.visit-top,.visit-detail{display:flex;justify-content:space-between;gap:10px}.visit-date{font-size:12px;font-weight:750}.visit-total{color:var(--green);font-size:11px;font-weight:800}.visit-detail{margin-top:5px;color:var(--muted);font-size:10px}.admin-panel{margin-top:23px;overflow:hidden}.admin-panel summary{padding:17px 20px;cursor:pointer;font-size:14px;font-weight:750}.admin-content{padding:0 20px 20px;border-top:1px solid var(--line)}.admin-content h3{margin:18px 0 10px;font-size:13px}.admin-controls{display:flex;flex-wrap:wrap;align-items:end;gap:10px}.admin-controls .field{min-width:135px;flex:1}.admin-controls .field input{height:40px}.small-button{min-height:40px;padding:0 14px;border:0;border-radius:10px;color:#fff;background:var(--green);font-size:12px;font-weight:750}.small-secondary{width:auto;padding:0 13px}.admin-bar{display:flex;align-items:center;justify-content:space-between;padding-top:12px;font-size:12px}.admin-section{padding-top:1px}.table-wrap{width:100%;margin-top:12px;overflow-x:auto;border:1px solid var(--line);border-radius:12px}table{width:100%;border-collapse:collapse;white-space:nowrap;font-size:11px}th,td{padding:9px 11px;border-bottom:1px solid #eef0ea;text-align:left}th{color:#64746c;background:#f5f6f1;font-size:10px}tr:last-child td{border-bottom:0}.duty-remove{width:auto;min-height:30px;padding:0 9px;font-size:10px}.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,15px);padding:11px 16px;border-radius:12px;color:#fff;background:#23483b;font-size:13px;opacity:0;pointer-events:none;transition:.2s;box-shadow:0 10px 30px #102b2133}.toast.show{opacity:1;transform:translate(-50%,0)}footer{margin-top:18px;color:#9aa39d;text-align:center;font-size:11px}@media(max-width:720px){.page{width:min(100% - 28px,520px);padding-top:19px}header{margin-bottom:24px}main{grid-template-columns:1fr;gap:16px}.welcome{padding-top:6px}.identity{grid-template-columns:1fr}.full{grid-column:auto}.checkin{padding:20px}.card-head{display:block}.card-head .status{margin-top:12px}.occupancy-card,.weekly-card,.history-card{padding:19px}}@media(max-width:390px){.brand-name{font-size:13px}.brand-sub{font-size:10px}.date-chip{font-size:10px;padding:8px 9px}.mini-stats{gap:10px}.timer{font-size:27px}}