:root{--bg: #0f1419;--panel: #1a2332;--border: #2d3a4f;--text: #e7ecf3;--muted: #8b9cb3;--accent: #3b82f6;--accent-hover: #2563eb;--danger: #ef4444;--success: #22c55e;font-family:SF Pro Text,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:var(--text);background:var(--bg)}*{box-sizing:border-box}body{margin:0;min-height:100vh}a{color:var(--accent);text-decoration:none}button,input,select,textarea{font:inherit}.btn{background:var(--accent);color:#fff;border:none;border-radius:8px;padding:8px 14px;cursor:pointer}.btn:hover{background:var(--accent-hover)}.btn.secondary{background:transparent;border:1px solid var(--border);color:var(--text)}.btn.danger{background:var(--danger)}.card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:16px}.input{width:100%;background:var(--bg);border:1px solid var(--border);border-radius:8px;color:var(--text);padding:8px 10px}.label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}.table{width:100%;border-collapse:collapse}.table th,.table td{border-bottom:1px solid var(--border);padding:10px 8px;text-align:left;font-size:14px}.table th{color:var(--muted);font-weight:500}.tabs{display:flex;gap:8px;margin-bottom:16px;flex-wrap:wrap}.tab{padding:8px 12px;border-radius:8px;border:1px solid var(--border);background:transparent;color:var(--muted);cursor:pointer}.tab.active{background:var(--accent);border-color:var(--accent);color:#fff}.error{color:var(--danger);font-size:13px}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;background:#243044}.layout{display:flex;min-height:100vh}.sidebar{width:220px;background:var(--panel);border-right:1px solid var(--border);padding:20px 12px}.sidebar h1{font-size:18px;margin:0 0 24px 8px}.sidebar nav a{display:block;padding:10px 12px;border-radius:8px;color:var(--muted);margin-bottom:4px}.sidebar nav a.active,.sidebar nav a:hover{background:#243044;color:var(--text)}.main{flex:1;padding:24px}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center}.login-card{width:360px}.form-row{margin-bottom:14px}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}@media (max-width: 768px){.layout{flex-direction:column}.sidebar{width:100%}.grid-2{grid-template-columns:1fr}}