*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #f8f9fa;--bg-card: #ffffff;--bg-sidebar: #1e293b;--bg-sidebar-hover: #334155;--bg-sidebar-active: #0f172a;--text: #1e293b;--text-muted: #64748b;--text-sidebar: #cbd5e1;--text-sidebar-active: #ffffff;--border: #e2e8f0;--primary: #3b82f6;--primary-hover: #2563eb;--danger: #ef4444;--danger-hover: #dc2626;--success: #22c55e;--warning: #f59e0b;--radius: 6px;--shadow: 0 1px 3px rgba(0, 0, 0, .08)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;font-size:14px}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.admin-layout{display:flex;min-height:100vh}.admin-sidebar{width:220px;background:var(--bg-sidebar);color:var(--text-sidebar);display:flex;flex-direction:column;flex-shrink:0;position:fixed;top:0;left:0;bottom:0;z-index:10}.admin-sidebar-brand{padding:20px 16px;font-size:16px;font-weight:700;color:var(--text-sidebar-active);border-bottom:1px solid var(--bg-sidebar-hover)}.admin-sidebar-brand small{display:block;font-size:11px;font-weight:400;color:var(--text-sidebar);margin-top:2px}.admin-sidebar-nav{flex:1;padding:12px 0;list-style:none}.admin-sidebar-nav a{display:block;padding:10px 16px;color:var(--text-sidebar);text-decoration:none;font-size:13px;transition:background .15s}.admin-sidebar-nav a:hover{background:var(--bg-sidebar-hover);text-decoration:none}.admin-sidebar-nav a.active{background:var(--bg-sidebar-active);color:var(--text-sidebar-active);font-weight:600}.admin-sidebar-footer{padding:12px 16px;border-top:1px solid var(--bg-sidebar-hover)}.admin-sidebar-footer button{background:none;border:none;color:var(--text-sidebar);cursor:pointer;font-size:13px;padding:0}.admin-sidebar-footer button:hover{color:var(--text-sidebar-active)}.admin-main{flex:1;margin-left:220px;padding:24px 32px;min-width:0}.admin-page-header{margin-bottom:24px}.admin-page-header h1{font-size:22px;font-weight:700}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.card-body{padding:16px}.stat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px;margin-bottom:24px}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}.stat-card-label{font-size:12px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:4px}.stat-card-value{font-size:28px;font-weight:700;line-height:1.2}.stat-card-sub{font-size:12px;color:var(--text-muted);margin-top:2px}.data-table-wrap{overflow-x:auto}table.data-table{width:100%;border-collapse:collapse;font-size:13px}table.data-table th{text-align:left;padding:10px 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var(--border);border-radius:var(--radius);background:#fff;cursor:pointer;font-size:13px;font-family:inherit}.pagination-buttons button:hover{background:#f1f5f9}.pagination-buttons button:disabled{opacity:.4;cursor:not-allowed}.pagination-buttons button.active{background:var(--primary);color:#fff;border-color:var(--primary)}.chart-section{margin-bottom:24px}.chart-section h3{font-size:14px;font-weight:600;margin-bottom:12px}.chart-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:24px}@media(max-width:1000px){.chart-grid{grid-template-columns:1fr}}.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh;background:var(--bg-sidebar)}.login-card{background:var(--bg-card);border-radius:8px;padding:40px;width:100%;max-width:380px;box-shadow:0 4px 24px #00000026}.login-card-wide{max-width:460px}.login-card h1{font-size:22px;margin-bottom:4px}.login-card .subtitle{color:var(--text-muted);font-size:13px;margin-bottom:24px}.login-error{background:#fef2f2;color:#991b1b;padding:8px 12px;border-radius:var(--radius);font-size:13px;margin-bottom:16px}.login-note{color:var(--text-muted);font-size:13px;margin-bottom:16px}.login-meta{color:var(--text-muted);font-size:12px;margin-bottom:16px}.login-actions-row{display:flex;justify-content:space-between;gap:12px}.login-setup-panel{margin-bottom:18px}.qr-code-wrap{display:flex;justify-content:center;padding:16px;background:#f8fafc;border:1px solid var(--border);border-radius:var(--radius);margin-bottom:12px}.totp-secret-box{display:flex;flex-direction:column;gap:6px;padding:12px;border:1px solid var(--border);border-radius:var(--radius);background:#f8fafc;margin-bottom:12px}.totp-secret-box span{color:var(--text-muted);font-size:12px;font-weight:600}.totp-secret-box 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1fr;gap:12px}.security-row{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}.security-label{color:var(--text-muted);font-size:12px;font-weight:600;margin-bottom:4px}.security-value{font-size:15px;font-weight:600}.security-meta{color:var(--text-muted);font-size:12px;margin-top:4px}.danger-zone{margin-top:32px}.danger-zone-title{color:var(--danger);border-bottom-color:#ef444433}.danger-zone-card{border-color:#ef444447}.danger-zone-stack{display:flex;flex-direction:column;gap:16px}.danger-zone-row{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}.danger-zone-description{margin:4px 0 0;font-size:13px;color:var(--text-muted);max-width:680px}.danger-zone-divider{border:none;border-top:1px solid var(--border);margin:0}.danger-confirm-panel{background:#fef2f2;border:1px solid rgba(239,68,68,.18);border-radius:var(--radius);padding:16px}.danger-confirm-title{margin:0 0 6px;font-weight:700}.danger-confirm-title-danger{color:#991b1b}.danger-confirm-hint{margin:0 0 12px;font-size:13px;color:var(--text)}.danger-confirm-note{display:block;margin-top:6px;font-size:12px;color:var(--text-muted)}@media(max-width:700px){.detail-grid{grid-template-columns:1fr}}.toast{position:fixed;top:16px;right:16px;background:#166534;color:#fff;padding:10px 16px;border-radius:var(--radius);font-size:13px;z-index:100;box-shadow:0 4px 12px #00000026;animation:fadeIn .2s ease}.toast-error{background:#991b1b}@keyframes fadeIn{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.expanded-row td{background:#f8fafc;padding:12px}.payload-json{font-family:monospace;font-size:12px;background:#f1f5f9;padding:8px;border-radius:var(--radius);white-space:pre-wrap;word-break:break-all;max-height:200px;overflow-y:auto}