*{margin:0;padding:0;box-sizing:border-box}:root{--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-card: #1e293b;--bg-hover: #334155;--border: rgba(255,255,255,.06);--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-muted: #64748b;--accent: #3b82f6;--accent-hover: #2563eb;--success: #22c55e;--danger: #ef4444;--warning: #f59e0b;--sidebar-width: 260px;--navbar-height: 60px}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg-primary);color:var(--text-primary);min-height:100vh}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.app-layout{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);background:var(--bg-secondary);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100;overflow-y:auto}.sidebar-brand{padding:20px 24px;border-bottom:1px solid var(--border)}.sidebar-brand h2{font-size:20px;font-weight:700;background:linear-gradient(135deg,#3b82f6,#8b5cf6);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.sidebar-brand span{font-size:11px;color:var(--text-muted);display:block;margin-top:2px}.sidebar-nav{flex:1;padding:12px 0}.sidebar-nav a{display:flex;align-items:center;gap:12px;padding:10px 24px;color:var(--text-secondary);font-size:14px;font-weight:500;transition:all .15s;text-decoration:none;border-left:3px solid transparent}.sidebar-nav a:hover{background:var(--bg-hover);color:var(--text-primary);text-decoration:none}.sidebar-nav a.active{background:#3b82f614;color:var(--accent);border-left-color:var(--accent)}.sidebar-nav .icon{width:20px;height:20px;display:flex;align-items:center;justify-content:center;font-size:16px}.sidebar-footer{padding:16px 24px;border-top:1px solid var(--border);font-size:11px;color:var(--text-muted)}.main-content{flex:1;margin-left:var(--sidebar-width);display:flex;flex-direction:column;min-height:100vh}.navbar{height:var(--navbar-height);background:var(--bg-secondary);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 24px;position:sticky;top:0;z-index:50}.navbar-left h3{font-size:16px;font-weight:600}.navbar-right{display:flex;align-items:center;gap:16px;font-size:13px;color:var(--text-secondary)}.navbar-status{display:flex;align-items:center;gap:6px}.navbar-status .dot{width:8px;height:8px;border-radius:50%;background:var(--success)}.page-content{flex:1;padding:24px}.page-header{margin-bottom:24px}.page-header h1{font-size:24px;font-weight:700}.page-header p{font-size:13px;color:var(--text-secondary);margin-top:4px}.dashboard-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;margin-bottom:24px}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:20px}.stat-card h3{font-size:12px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px}.stat-card .value{font-size:28px;font-weight:700}.stat-card .subtext{font-size:12px;color:var(--text-secondary);margin-top:4px}.data-table-wrapper{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;overflow:hidden}.data-table{width:100%;border-collapse:collapse;font-size:13px}.data-table th{background:#ffffff08;padding:12px 16px;text-align:left;font-weight:600;color:var(--text-secondary);font-size:11px;text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid var(--border)}.data-table td{padding:12px 16px;border-bottom:1px solid var(--border);color:var(--text-primary)}.data-table tr:last-child td{border-bottom:none}.data-table tr:hover td{background:#ffffff05}.placeholder-message{text-align:center;padding:48px;color:var(--text-muted);font-size:14px}.placeholder-message .icon{font-size:32px;margin-bottom:12px;opacity:.3}.spinner{width:24px;height:24px;border:2px solid rgba(255,255,255,.1);border-top-color:var(--accent);border-radius:50%;animation:spin .6s linear infinite;margin:0 auto}@keyframes spin{to{transform:rotate(360deg)}}.loading-container{display:flex;align-items:center;justify-content:center;padding:64px;flex-direction:column;gap:12px;color:var(--text-muted);font-size:13px}.error-message{background:#ef444414;border:1px solid rgba(239,68,68,.2);color:#fca5a5;padding:12px 16px;border-radius:8px;font-size:13px;margin-bottom:16px}