:root{--primary:#6366f1;--primary-dark:#4f46e5;--primary-light:#eef2ff;--secondary:#f59e0b;--success:#22c55e;--danger:#ef4444;--warning:#f59e0b;--info:#3b82f6;--text:#1e293b;--text-light:#64748b;--bg:#f8fafc;--white:#fff;--border:#e2e8f0;--shadow:0 1px 3px #0000001a, 0 1px 2px #0000000f;--shadow-md:0 4px 6px #00000012, 0 2px 4px #0000000f;--radius:8px;--sidebar-width:260px}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,sans-serif;line-height:1.6}#root{text-align:left;border:none;width:100%;max-width:100%;min-height:100vh;margin:0}a{color:inherit;text-decoration:none}button{cursor:pointer;font-family:inherit}input,select,textarea{font-family:inherit}.card{background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--border);padding:20px}.btn{border-radius:var(--radius);border:none;align-items:center;gap:8px;padding:10px 20px;font-size:14px;font-weight:500;transition:all .2s;display:inline-flex}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-secondary{background:var(--white);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background:var(--bg)}.btn-success{background:var(--success);color:#fff}.btn-danger{background:var(--danger);color:#fff}.btn-sm{padding:6px 12px;font-size:13px}.badge{border-radius:12px;align-items:center;padding:2px 10px;font-size:12px;font-weight:500;display:inline-flex}.badge-success{color:#166534;background:#dcfce7}.badge-warning{color:#92400e;background:#fef3c7}.badge-danger{color:#991b1b;background:#fee2e2}.badge-info{color:#1e40af;background:#dbeafe}.grid{gap:20px;display:grid}.grid-2{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}.grid-3{grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}.grid-4{grid-template-columns:repeat(auto-fill,minmax(200px,1fr))}.page-header{justify-content:space-between;align-items:center;margin-bottom:24px;display:flex}.page-header h1{color:var(--text);margin:0;font-size:24px;font-weight:600}@media (width<=768px){.page-header{flex-direction:column;align-items:flex-start;gap:12px}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}