:root{--bg:#eef6ff;--panel:#fff;--border:#e2e8f0;--text:#1e293b;--muted:#64748b;--primary:#3b82f6;--primary-dark:#2563eb;--success:#10b981;--danger:#ef4444;--warning:#f59e0b;--radius:12px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}html,body,#root{background:var(--bg);height:100%;color:var(--text);-webkit-font-smoothing:antialiased;margin:0;padding:0}button{cursor:pointer;border:none;border-radius:8px;padding:10px 18px;font-family:inherit;font-size:14px;font-weight:500;transition:all .15s}button:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-dark)}.btn-ghost{color:var(--text);border:1px solid var(--border);background:0 0}.btn-ghost:hover{background:#f8fafc}input,select,textarea{border:1px solid var(--border);color:var(--text);background:#fff;border-radius:8px;width:100%;padding:10px 12px;font-family:inherit;font-size:14px}input:focus{border-color:var(--primary);outline:none}.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.spinner{border:3px solid #e2e8f0;border-top-color:var(--primary);border-radius:50%;width:32px;height:32px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.center-screen{flex-direction:column;justify-content:center;align-items:center;gap:16px;min-height:100vh;display:flex}