.intro { width: 100%; padding: 22px 16px 0; max-width: 800px; margin: 0 auto; }
  .intro h1 { margin: 0; font-size: 22px; }
  .intro p { margin: 4px 0 0; color: var(--muted); }

  main { width: 100%; max-width: 800px; margin: 14px auto 0; padding: 0 16px; }
  section { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 14px; }

  /* басқару жолдары */
  .row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px; }
  .row + .row, .row + canvas, canvas + .row, canvas + .opts { margin-top: 10px; }
  .row .label { color: var(--muted); font-size: 13px; }
  .spacer { flex: 1; }
  .badge { color: var(--muted); font-size: 13px; margin-left: auto; }

  button, select {
    font: inherit; border: 1px solid var(--line); background: var(--card); color: var(--ink);
    border-radius: 8px; cursor: pointer;
  }
  button { padding: 7px 12px; display: inline-flex; align-items: center; gap: 6px; }
  select { padding: 6px 8px; }
  button:hover:not(:disabled), select:hover { border-color: var(--accent); }
  button:disabled { opacity: .4; cursor: default; }
  button:focus-visible, select:focus-visible, input:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
  svg.i { width: 18px; height: 18px; flex: none; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

  /* симметрия таңдағыш */
  .chips { display: inline-flex; flex-wrap: wrap; gap: 6px; }
  .chip { padding: 5px 0; min-width: 38px; justify-content: center; font-weight: 600; }
  .chip.active { background: var(--ink); color: var(--card); border-color: var(--ink); }

  /* құралдар */
  .tools { display: inline-flex; background: var(--soft); border-radius: 10px; padding: 3px; gap: 3px; }
  .tools button { border: 0; background: none; border-radius: 8px; }
  .tools button:hover:not(:disabled) { background: rgba(0,0,0,.06); }
  .tools button.active { background: var(--ink); color: var(--card); }
  .iconbtn { padding: 7px 9px; }

  /* түс палитрасы (қарындаш пен бояуға ортақ) */
  .row[hidden] { display: none; }
  .palette { display: inline-flex; flex-wrap: wrap; align-items: center; gap: 8px; }
  .sw { width: 26px; height: 26px; padding: 0; border-radius: 50%; border: 2px solid var(--card); box-shadow: 0 0 0 1px var(--line); }
  .sliders { display: inline-flex; flex-wrap: wrap; gap: 6px 18px; }
  .sliders[hidden] { display: none; }
  .sliders input[type=range] { width: 80px; }
  .sliders label { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); font-size: 13px; }
  .sw:hover:not(:disabled) { box-shadow: 0 0 0 2px var(--accent); }
  .sw.active, .sw.active:hover { box-shadow: 0 0 0 2px var(--ink); }

  /* таңдалған құралдың баптаулары */
  .opts { background: var(--soft); border-radius: 10px; padding: 8px 12px; }
  .opts[hidden] { display: none; }
  .opts .row { gap: 6px 22px; }
  .opts label { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); font-size: 13px; }
  input[type=range] { width: 120px; accent-color: var(--accent); }
  .hint { color: var(--muted); font-size: 13px; margin: 8px 0 0; min-height: 1.4em; }
  .opts .hint { margin: 0; }
  .opts .row + .hint { margin-top: 6px; }

  input[type=color] { width: 34px; height: 28px; padding: 0; border: 1px solid var(--line); border-radius: 6px; background: none; cursor: pointer; }
  label.inline { display: inline-flex; align-items: center; gap: 6px; }

  button.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); font-weight: 600; padding: 9px 16px; }
  button.primary:hover:not(:disabled) { filter: brightness(1.08); }
  button.wide { width: 100%; justify-content: center; }

  canvas { display: block; width: min(100%, 720px); aspect-ratio: 1; margin-left: auto; margin-right: auto; border-radius: 10px; }
  #panel { cursor: crosshair; touch-action: none; }
  .export { background: var(--soft); border-radius: 10px; padding: 10px 12px; margin-top: 12px; }
  .export .row .grow { flex: 1; justify-content: center; }
  .export .btns { margin-top: 10px; }