:root{--bg: #f8fafc;--surface: #ffffff;--ink: #0f172a;--ink-soft: #475569;--muted: #94a3b8;--border: #e2e8f0;--brand: #0f172a;--accent: #f59e0b;--success: #059669;--danger: #dc2626;--radius: 10px;--shadow: 0 1px 2px rgba(15,23,42,.04), 0 4px 12px rgba(15,23,42,.06);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif}*{box-sizing:border-box}html,body,#root{margin:0;height:100%;background:var(--bg);color:var(--ink)}a{color:inherit}button{font:inherit;cursor:pointer}input,select,textarea{font:inherit;padding:10px 12px;border:1px solid var(--border);border-radius:8px;background:var(--surface);color:var(--ink);width:100%}input:focus,select:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:1px}label{display:block;font-size:13px;font-weight:500;color:var(--ink-soft);margin-bottom:6px}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border:1px solid var(--border);border-radius:8px;background:var(--surface);color:var(--ink);text-decoration:none;font-weight:500}.btn-primary{background:var(--brand);color:#fff;border-color:var(--brand)}.btn-accent{background:var(--accent);color:#000;border-color:var(--accent)}.btn-danger{background:var(--danger);color:#fff;border-color:var(--danger)}.btn:disabled{opacity:.5;cursor:not-allowed}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.card h3{margin:0 0 12px;font-size:15px;color:var(--ink-soft);font-weight:600}.grid{display:grid;gap:16px}.row{display:flex;gap:12px;align-items:center}.row-between{display:flex;justify-content:space-between;align-items:center;gap:12px}.stack{display:flex;flex-direction:column;gap:12px}.muted{color:var(--muted);font-size:13px}.pill{display:inline-block;padding:2px 10px;border-radius:999px;font-size:12px;font-weight:600;color:#fff}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border);font-size:14px}th{color:var(--ink-soft);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.04em}tr:hover td{background:#f8fafc}.app-shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.sidebar{background:var(--brand);color:#fff;padding:20px 14px}.sidebar h1{font-size:16px;margin:0 0 24px;letter-spacing:.02em}.sidebar nav a{display:flex;align-items:center;gap:10px;padding:9px 10px;color:#cbd5e1;text-decoration:none;border-radius:6px;font-size:14px}.sidebar nav a:hover{background:#ffffff0f;color:#fff}.sidebar nav a.active{background:#f59e0b26;color:var(--accent)}.main{padding:24px 32px;max-width:1400px;margin:0 auto;width:100%}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.page-header h2{margin:0;font-size:22px}@media (max-width: 768px){.app-shell{grid-template-columns:1fr}.sidebar{position:sticky;top:0;z-index:10;padding:12px}.sidebar h1{margin-bottom:10px}.sidebar nav{display:flex;gap:4px;overflow-x:auto}.sidebar nav a{padding:6px 10px;white-space:nowrap}.main{padding:16px}}