*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}:root{--bg: #0f1117;--surface: #1a1d27;--surface-hover: #22263a;--border: #2a2e3f;--text: #e4e6ec;--text-muted: #8b8fa4;--accent: #6c8cff;--accent-hover: #8aa4ff;--danger: #f55;--radius: 8px;--sidebar-w: 240px}html,body,#root{height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}.gate{display:flex;align-items:center;justify-content:center;height:100%;padding:24px}.gate-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:40px 32px;text-align:center;max-width:380px;width:100%}.gate-card h2{margin-bottom:16px;font-size:20px;font-weight:600}.error-text{color:var(--text-muted)}.spinner{width:32px;height:32px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;margin:0 auto 16px;animation:spin .7s linear infinite}@keyframes 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.15s}.nav-item:hover{background:var(--surface-hover);color:var(--text)}.nav-item.active{background:var(--surface-hover);color:var(--accent)}.nav-icon{font-size:16px;width:22px;text-align:center}.sidebar-footer{padding:12px 16px;border-top:1px solid var(--border)}.admin-info{display:flex;flex-direction:column;margin-bottom:8px}.admin-name{font-size:13px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.admin-role{font-size:11px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}.logout-btn{width:100%;padding:6px 0;border:1px solid var(--border);border-radius:var(--radius);background:transparent;color:var(--text-muted);font-size:13px;cursor:pointer;transition:color .15s,border-color .15s}.logout-btn:hover{color:var(--danger);border-color:var(--danger)}.main-content{flex:1;display:flex;flex-direction:column;overflow-y:auto}.topbar{padding:16px 24px;border-bottom:1px solid var(--border)}.topbar 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10px;border-radius:999px;text-transform:uppercase;letter-spacing:.5px}.status-live{background:#4caf5026;color:#6fcf97}.status-reconnecting{background:#ffc10726;color:#f2c94c}.status-polling{background:#6c8cff26;color:var(--accent)}.dashboard-updated{font-size:12px;color:var(--text-muted)}.dashboard-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px;margin-bottom:28px}.metric-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px}.metric-card h3{font-size:12px;color:var(--text-muted);font-weight:500;margin-bottom:8px}.metric-value{font-size:26px;font-weight:700;line-height:1.2}.metric-hint{display:block;font-size:11px;color:var(--text-muted);margin-top:6px}.dashboard-section{margin-bottom:24px}.dashboard-section h3{font-size:14px;font-weight:600;margin-bottom:12px}.dashboard-columns{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}.data-table{width:100%;border-collapse:collapse;font-size:13px}.data-table th,.data-table td{padding:8px 10px;text-align:left;border-bottom:1px solid var(--border)}.data-table th{color:var(--text-muted);font-weight:500}.muted{color:var(--text-muted);font-size:13px}.filter-form{display:flex;flex-wrap:wrap;gap:12px;align-items:flex-end;margin-bottom:20px;padding:16px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius)}.filter-form label{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--text-muted)}.filter-form input,.filter-form select{padding:8px 10px;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg);color:var(--text);font-size:13px;min-width:120px}.btn-primary{padding:8px 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label{font-size:12px;color:var(--text-muted)}.tracking-link-input{width:100%;margin-top:4px;padding:8px;font-size:11px;border-radius:var(--radius);border:1px solid var(--border);background:var(--bg);color:var(--text)}.copy-hint{margin-left:8px;font-size:12px;color:var(--accent)}.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:16px}.stat-box{padding:8px;border-radius:var(--radius);background:var(--bg);border:1px solid var(--border);font-size:11px}.stat-box span{display:block;color:var(--text-muted);margin-bottom:4px}.stat-box strong{font-size:16px}.placeholder-page{display:flex;flex-direction:column;align-items:center;justify-content:center;height:60%;text-align:center}.placeholder-page p{font-size:18px;font-weight:600;margin-bottom:8px}.placeholder-page span{color:var(--text-muted);font-size:14px}@media (max-width: 600px){:root{--sidebar-w: 56px}.sidebar-brand h1,.sidebar-subtitle,.nav-item span:not(.nav-icon),.admin-info,.logout-btn{display:none}.sidebar-brand{padding:16px 8px;text-align:center}.nav-item{justify-content:center;padding:12px 8px}.nav-icon{font-size:20px}.sidebar-footer{display:none}}