*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--bg:#0a0a0b;--surface:#141416;--border:#222226;--fg:#f5f5f2;--fg-muted:#888;--accent:#e6ff3d;--positive:#3dff9b;color:var(--fg);background:var(--bg);-webkit-font-smoothing:antialiased;font-family:Inter,-apple-system,sans-serif;font-size:16px}body{min-height:100dvh}#root{flex-direction:column;min-height:100dvh;display:flex}button{cursor:pointer;font:inherit;border:none;border-radius:10px;font-weight:700;transition:opacity .15s}button:disabled{opacity:.4;cursor:default}button:not(:disabled):hover{opacity:.85}input{font:inherit;border:1.5px solid var(--border);background:var(--surface);color:var(--fg);border-radius:10px;outline:none;width:100%;padding:12px 14px}input:focus{border-color:var(--accent)}.btn-primary{background:var(--accent);color:#000;width:100%;padding:14px 20px;font-size:1rem;font-weight:900}.btn-ghost{color:var(--fg-muted);background:0 0;padding:10px;font-size:.875rem;text-decoration:underline}.card{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:16px}.tag{letter-spacing:.12em;text-transform:uppercase;color:var(--fg-muted);font-size:10px;font-weight:700}.spinner{border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;width:32px;height:32px;animation:.7s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.center{justify-content:center;align-items:center;display:flex}