body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: #0f1115;
  color: #eaeaea;
}

.app {
  max-width: 720px;
  margin: 40px auto;
  padding: 24px;
  background: #151823;
  border-radius: 12px;
  box-shadow: 0 0 0 1px #222;
}

h1 {
  margin-top: 0;
}

.subtitle {
  color: #aaa;
  font-size: 14px;
  margin-bottom: 20px;
}

input, button {
  margin: 8px 0;
}

button {
  background: #4f8cff;
  color: white;
  border: none;
  padding: 10px 16px;
  border-radius: 8px;
  cursor: pointer;
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.preview {
  margin-top: 20px;
  background: #0b0d12;
  padding: 12px;
  border-radius: 8px;
}

canvas {
  max-width: 100%;
}


/* Top tabs (match site look) */
.tabs{display:flex;gap:12px;flex-wrap:wrap;margin:16px 0 10px}
.tab{display:inline-flex;align-items:center;justify-content:center;padding:10px 14px;border-radius:14px;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.06);color:#e8eef6;text-decoration:none;font-weight:700}
.tab:hover{background:rgba(255,255,255,.10)}