*,:after,:before{box-sizing:border-box;margin:0;padding:0}:root{--bg:#f4f6f9;--surface:#fff;--sidebar-bg:#1a1f2e;--sidebar-fg:#a0aec0;--sidebar-active:#60a5fa;--fg:#1e293b;--fg-muted:#64748b;--border:#e2e8f0;--accent:#2563eb;--accent-hover:#1d4ed8;--success:#16a34a;--warn:#d97706;--danger:#dc2626;--radius:10px;--radius-sm:6px}body{font-family:Inter,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--fg);line-height:1.5;min-height:100vh}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;padding:.55rem 1.25rem;border-radius:var(--radius-sm);font-size:.88rem;font-weight:600;border:none;cursor:pointer;transition:all .15s;text-decoration:none;font-family:inherit}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-secondary{background:var(--bg);color:var(--fg);border:1px solid var(--border)}.btn-secondary:hover{background:var(--border)}.btn-sm{padding:.4rem .85rem;font-size:.8rem}.form-group{display:flex;flex-direction:column;gap:.3rem}.form-group label{font-size:.78rem;font-weight:600;color:var(--fg-muted);text-transform:uppercase;letter-spacing:.04em}.form-control{padding:.55rem .75rem;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:.9rem;font-family:inherit;color:var(--fg);background:var(--surface);transition:border-color .15s}.form-control:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(37,99,235,.1)}select.form-control{-webkit-appearance:auto;-moz-appearance:auto;appearance:auto}.spinner{display:inline-block;width:18px;height:18px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.alert{padding:.65rem .85rem;border-radius:var(--radius-sm);font-size:.85rem;margin-bottom:1rem}.alert-error{background:#fef2f2;border:1px solid #fecaca;color:#dc2626}