:root{--green: #1a6b3c;--green-light: #2d9d5c;--green-dark: #0f4324;--yellow: #f59e0b;--red: #dc2626;--bg: #f0f4f1;--white: #ffffff;--text: #1a2820;--text-muted: #6b7c73;--border: #d1e3d8;--radius: 16px;--shadow: 0 4px 20px rgba(0,0,0,.12)}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}html,body{height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);overflow-x:hidden}#root{min-height:100vh}.screen{min-height:100vh;display:flex;flex-direction:column;padding:24px 20px;max-width:480px;margin:0 auto}.login-screen{align-items:center;justify-content:center;gap:24px}.login-header{text-align:center}.app-logo{font-size:56px;margin-bottom:8px}.login-header h1{font-size:28px;font-weight:700;color:var(--green)}.subtitle{color:var(--text-muted);margin-top:4px}.pin-display{display:flex;gap:12px;justify-content:center}.pin-dot{width:18px;height:18px;border-radius:50%;border:2px solid var(--green);background:transparent;transition:background .1s}.pin-dot.filled{background:var(--green)}.numpad{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;width:100%;max-width:300px}.numpad-key{aspect-ratio:1;border-radius:50%;border:2px solid var(--border);background:var(--white);font-size:22px;font-weight:600;cursor:pointer;color:var(--text);transition:all .1s;box-shadow:0 2px 8px #00000014}.numpad-key:active{background:var(--green);color:#fff;transform:scale(.95)}.numpad-key.invisible{visibility:hidden}.submit-btn{width:100%;max-width:300px}.admin-link{color:var(--text-muted);font-size:14px;text-decoration:none;margin-top:8px}.admin-link:hover{color:var(--green)}.admin-form{width:100%;max-width:360px;display:flex;flex-direction:column;gap:16px}.form-group{display:flex;flex-direction:column;gap:6px}.form-group label{font-weight:600;font-size:14px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}.form-group input{padding:14px 16px;border:2px solid var(--border);border-radius:12px;font-size:18px;outline:none;transition:border .2s}.form-group input:focus{border-color:var(--green)}.clock-screen{gap:0}.clock-header{display:flex;align-items:center;justify-content:space-between;padding-bottom:20px}.greeting{display:flex;align-items:center;gap:8px;font-size:16px}.greeting-wave{font-size:22px}.logout-btn{background:none;border:1px solid var(--border);border-radius:20px;padding:6px 14px;color:var(--text-muted);font-size:13px;cursor:pointer}.clock-time{text-align:center;padding:32px 0;background:var(--green);border-radius:var(--radius);margin-bottom:32px;box-shadow:var(--shadow)}.time-display{font-size:56px;font-weight:700;color:#fff;letter-spacing:-2px;line-height:1}.date-display{font-size:14px;color:#ffffffbf;margin-top:8px;text-transform:capitalize}.clock-buttons{display:flex;flex-direction:column;gap:16px;flex:1}.clock-btn{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:32px 20px;border-radius:var(--radius);border:none;cursor:pointer;transition:transform .1s,box-shadow .1s;box-shadow:var(--shadow);gap:4px}.clock-btn:active{transform:scale(.97)}.clock-in{background:var(--green);color:#fff}.clock-out{background:#fff;color:var(--green);border:2px solid var(--border)}.clock-btn-icon{font-size:32px}.clock-btn-label{font-size:28px;font-weight:800;letter-spacing:.05em}.clock-btn-sub{font-size:13px;opacity:.7}.clock-note{text-align:center;font-size:13px;color:var(--text-muted);padding:20px 0 8px}.camera-screen{gap:20px;align-items:center}.camera-header{text-align:center}.camera-header h2{font-size:22px;color:var(--green)}.camera-container{width:100%;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);background:#000;aspect-ratio:4/3}.camera-preview{width:100%;height:100%;object-fit:cover;display:block;transform:scaleX(-1)}.capture-btn{width:100%;font-size:18px;padding:18px}.status-screen{align-items:center;justify-content:center;gap:20px;text-align:center}.status-screen h2{font-size:22px;color:var(--green)}.result-screen{align-items:center;justify-content:center;gap:24px}.result-card{width:100%;border-radius:var(--radius);padding:40px 28px;text-align:center;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:12px}.result-card.success{background:#fff;border-top:6px solid #22c55e}.result-card.warning{background:#fff;border-top:6px solid var(--yellow)}.result-card.error{background:#fff;border-top:6px solid var(--red)}.result-icon{font-size:56px}.result-title{font-size:24px;font-weight:700;color:var(--text)}.result-status{font-size:16px;font-weight:600;color:var(--text-muted)}.result-time{display:flex;gap:8px;align-items:center;justify-content:center;font-size:20px}.result-time-label{color:var(--text-muted)}.result-time-value{font-weight:700;color:var(--green)}.result-date{font-size:14px;color:var(--text-muted)}.offsite-note{font-size:13px;color:var(--yellow);background:#fef3c7;padding:12px;border-radius:8px;margin-top:8px}.admin-screen{min-height:100vh;background:var(--bg)}.admin-header{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;background:var(--green);box-shadow:0 2px 8px #00000026}.admin-title{display:flex;align-items:center;gap:10px}.admin-title h1{font-size:20px;color:#fff}.admin-badge{background:#ffffff40;color:#fff;font-size:11px;padding:2px 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40px;overflow-x:auto}.timecard-table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:0 2px 8px #0000000f;font-size:14px}.timecard-table th{background:var(--green-dark);color:#fff;padding:12px 14px;text-align:left;font-size:12px;text-transform:uppercase;letter-spacing:.05em}.timecard-table td{padding:11px 14px;border-bottom:1px solid var(--border);vertical-align:middle}.timecard-table tr:last-child td{border-bottom:none}.timecard-table tr.row-offsite{background:#fffbeb}.timecard-table tr:hover{background:#f8fdf9}.td-staff{font-weight:600}.td-time{white-space:nowrap;font-size:13px}.td-coords{font-size:12px}.td-onsite{white-space:nowrap}.badge{display:inline-block;padding:3px 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24px;border-radius:12px;border:none;font-size:16px;font-weight:600;cursor:pointer;transition:opacity .1s,transform .1s}.btn:disabled{opacity:.5;cursor:not-allowed}.btn:active:not(:disabled){transform:scale(.97)}.btn-primary{background:var(--green);color:#fff}.btn-secondary{background:#fff;color:var(--green);border:2px solid var(--border)}.btn-danger{background:#fff;color:var(--red);border:1px solid #fca5a5}.btn-sm{padding:7px 14px;font-size:13px;border-radius:8px;border:1px solid rgba(255,255,255,.3);background:#ffffff26;color:#fff;cursor:pointer}.spinner{width:40px;height:40px;border:4px solid var(--border);border-top-color:var(--green);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.error-msg{background:#fef2f2;color:var(--red);border:1px solid #fca5a5;border-radius:10px;padding:12px 16px;font-size:14px;text-align:center}.loading-msg{display:flex;align-items:center;gap:12px;padding:24px;color:var(--text-muted)}.loading-msg 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