/* Minimal reset */
*,*::before,*::after{box-sizing:border-box}
html,body,#app{height:100%}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Inter,Arial,sans-serif;background:#0b0d2a;color:#eef}
img{max-width:100%;display:block}
button{font:inherit}

:root{
  --bg:#0b0d2a;
  --card:#fff;
  --muted:#8a8fa3;
  --accent:#ff4d4f;
  --chip-bg:#eef2ff;
  --chip-border:#d9e0ff;
}

.container{max-width:720px;margin:0 auto;padding:16px}

.fab{display:grid;place-items:center;width:56px;height:56px;border-radius:50%;background:var(--accent);color:#fff;border:none;box-shadow:0 8px 24px rgba(0,0,0,.3);cursor:pointer;margin:16px auto 24px}
.fab:disabled{opacity:.6;cursor:default}