:root{--bg: #f4f6fb;--surface: #ffffff;--surface-hover: #f8f9fc;--border: #e5e7eb;--border-light: #f0f1f4;--text: #1a1d26;--text-secondary: #6b7280;--text-muted: #9ca3af;--primary: #4f6ef7;--primary-hover: #3b5de7;--primary-light: #eef1fe;--success: #10b981;--success-hover: #059669;--success-bg: #ecfdf5;--success-text: #065f46;--danger: #ef4444;--danger-hover: #dc2626;--danger-bg: #fef2f2;--warning-bg: #fffbeb;--warning-text: #92400e;--warning-border: #fbbf24;--radius: 12px;--radius-sm: 8px;--shadow: 0 1px 3px rgba(0,0,0,.04), 0 1px 2px rgba(0,0,0,.06);--shadow-md: 0 4px 12px rgba(0,0,0,.06), 0 1px 3px rgba(0,0,0,.08)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;min-height:100vh}.app{display:flex;flex-direction:column;min-height:100vh}.sidebar{width:100%;background:var(--surface);border-bottom:1px solid var(--border);display:flex;flex-wrap:wrap;align-items:center;position:sticky;top:0;z-index:100}.logo{display:flex;align-items:center;gap:14px;padding:12px 20px;flex-shrink:0}.logo-img{width:40px;height:40px;border-radius:10px;object-fit:contain;flex-shrink:0}.logo-icon{width:40px;height:40px;background:linear-gradient(135deg,var(--primary),#818cf8);border-radius:10px;display:flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0}.logo h1{font-size:16px;font-weight:700;color:var(--text);line-height:1.2}.logo-sub{font-size:11px;color:var(--text-muted);font-weight:500}.nav{display:flex;flex-direction:row;padding:8px 12px;gap:4px;overflow-x:auto;flex:1;justify-content:center}.nav-item{display:flex;align-items:center;gap:8px;padding:10px 16px;border:none;background:none;border-radius:var(--radius-sm);font-size:14px;font-weight:500;color:var(--text-secondary);cursor:pointer;transition:all 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24px;text-align:center;cursor:pointer;border:2px dashed var(--border);border-radius:var(--radius);margin:20px;transition:all .15s}.upload-dropzone:hover,.upload-dropzone.dragover{border-color:var(--primary);background:var(--primary-light)}.upload-dropzone svg{color:var(--text-muted);margin-bottom:16px}.upload-dropzone p{font-size:15px;color:var(--text-secondary);margin-bottom:6px}.upload-dropzone strong{color:var(--primary)}.upload-hint{font-size:13px;color:var(--text-muted)}.upload-preview{display:flex;flex-wrap:wrap;gap:12px;padding:0 20px}.upload-preview:empty{display:none}.upload-thumb{position:relative;width:120px;height:120px;border-radius:var(--radius-sm);overflow:hidden;border:2px solid var(--border)}.upload-thumb img{width:100%;height:100%;object-fit:cover}.upload-thumb 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#0000004d}.checkin-register{position:absolute;bottom:16px;left:16px;right:16px;z-index:10;background:var(--surface);border-radius:12px;padding:20px;display:flex;flex-direction:column;gap:12px;box-shadow:0 4px 24px #0000004d}.checkin-register input{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:8px;font-size:15px;font-family:inherit;background:var(--surface);color:var(--text);box-sizing:border-box}.checkin-register input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}.video-container{position:relative;background:#0f1117;width:100%;aspect-ratio:16/9;max-height:600px;overflow:hidden}.video-container video{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) scaleX(-1);min-width:100%;min-height:100%;object-fit:cover}.video-container canvas{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none}.video-placeholder{position:absolute;top:0;left:0;right:0;bottom:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;color:#6b7280;background:#0f1117}.video-placeholder svg{opacity:.4}.video-placeholder span{font-size:15px;opacity:.6}.action-bar{display:flex;gap:12px;padding:20px 24px;border-top:1px solid var(--border-light)}.unknown-badge{position:absolute;bottom:16px;right:16px;width:48px;height:48px;border-radius:50%;background:#f59e0b;color:#fff;font-size:24px;font-weight:700;border:3px solid #fff;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px #0000004d;z-index:10;animation:pulse-badge 1.5s infinite}.unknown-badge:hover{background:#d97706;transform:scale(1.1)}@keyframes pulse-badge{0%,to{box-shadow:0 4px 12px #f59e0b4d}50%{box-shadow:0 4px 20px #f59e0b99}}.gate-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:9999;background:#000000b3;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center}.gate-closed-card{text-align:center;background:var(--surface);border-radius:20px;padding:48px 40px;max-width:420px;width:90%;box-shadow:0 8px 40px #0000004d}.gate-closed-card svg{margin-bottom:20px}.gate-closed-card h2{font-size:22px;font-weight:700;color:var(--text);margin-bottom:8px}.gate-closed-card p{font-size:16px;color:var(--text-secondary)}.inapp-steps{text-align:left;margin:20px 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3px #4f6ef71f}.table-wrapper{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}table{width:100%;border-collapse:collapse}thead{background:#f9fafb}th{padding:14px 16px;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--text-secondary);text-align:left;border-bottom:1px solid var(--border)}td{padding:14px 16px;font-size:14px;border-bottom:1px solid var(--border-light)}tbody tr:last-child td{border-bottom:none}tbody tr:hover{background:var(--surface-hover)}td .status-badge{display:inline-block;padding:3px 10px;border-radius:100px;font-size:12px;font-weight:600}td .status-success{background:var(--success-bg);color:var(--success-text)}td .status-warning{background:var(--warning-bg);color:var(--warning-text)}.table-empty{text-align:center;padding:40px 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20px;margin-bottom:20px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:12px}.history-filter-row{display:flex;align-items:flex-end;gap:12px;flex-wrap:wrap}.filter-field{display:flex;flex-direction:column;gap:4px}.filter-field label{font-size:12px;font-weight:600;color:var(--text-secondary)}.filter-field input{padding:8px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:13px;font-family:inherit;color:var(--text);background:var(--surface)}.filter-field input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #4f6ef71f}.filter-clear-btn{margin-bottom:1px}.history-filter-actions{display:flex;align-items:center;justify-content:space-between}.filter-summary{font-size:13px;color:var(--text-muted);font-weight:500}.history-day-group{margin-bottom:24px}.history-day-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;padding:0 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.15s}.face-card:hover{box-shadow:var(--shadow-md)}.face-card-info{display:flex;align-items:center;gap:14px}.face-avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--primary-light),#dbeafe);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;color:var(--primary);flex-shrink:0}.face-card .name{font-weight:600;font-size:15px;color:var(--text)}.face-card .count{font-size:13px;color:var(--text-muted);margin-top:2px}.empty-state{text-align:center;padding:60px 20px;color:var(--text-muted)}.empty-state svg{opacity:.3;margin-bottom:16px}.empty-state p{font-size:15px}.hidden{display:none!important}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg);padding:20px}.login-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:40px 32px;width:100%;max-width:400px;box-shadow:0 4px 24px #0000000f}.login-header{text-align:center;margin-bottom:28px}.login-logo{width:64px;height:64px;border-radius:16px;object-fit:contain;margin-bottom:12px}.login-header h1{font-size:22px;font-weight:700;color:var(--text);margin-bottom:4px}.login-header p{font-size:14px;color:var(--text-muted)}.login-error{background:var(--danger-bg);color:var(--danger);border:1px solid var(--danger);border-radius:8px;padding:10px 14px;font-size:13px;margin-bottom:16px}.login-field{margin-bottom:16px}.login-field label{display:block;font-size:13px;font-weight:600;color:var(--text);margin-bottom:6px}.login-field input{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:8px;font-size:14px;font-family:inherit;background:var(--surface);color:var(--text);transition:border-color .2s;box-sizing:border-box}.login-field input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}.login-btn{width:100%;padding:12px;font-size:15px;margin-top:8px}.sidebar-sep{width:1px;height:20px;background:var(--border);flex-shrink:0}.user-info{font-size:12px;color:var(--text-muted);font-weight:500;white-space:nowrap}@media (max-width: 600px){.logo{padding:10px 14px}.logo-img,.logo-icon{width:32px;height:32px}.logo h1{font-size:14px}.logo-sub{display:none}.sidebar-footer{padding:6px 10px;gap:6px}.sidebar-footer .ip-config-toggle,.sidebar-footer .loc-config-panel,.sidebar-footer .user-info{display:none}.cam-toggle-btn{width:32px;height:32px}.cam-toggle-btn svg{width:16px;height:16px}.nav-item svg{display:none}.main{padding:16px 12px}.page-header,.page-header-copy,.page-header-copy-2{flex-direction:column;align-items:flex-start;gap:8px;margin-bottom:14px}.page-header h2,.page-header-copy h2,.page-header-copy-2 h2{font-size:18px}.page-header p,.page-header-copy p,.page-header-copy-2 p{font-size:13px}.checkin-fullscreen{margin:-16px 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