/* Blur type buttons */
    .type-btns { display: flex; }
    .type-btn {
      font-size: 10px; letter-spacing: 0.08em;
      padding: 8px 14px; border: 1px solid var(--border); background: transparent;
      color: var(--ink-light); cursor: pointer; transition: all 0.15s; margin-left: -1px;
      white-space: nowrap;
    }
    .type-btn:first-child { margin-left: 0; }
    .type-btn:hover:not(.active) { border-color: var(--blue); color: var(--blue); z-index: 1; }
    .type-btn.active { background: var(--blue); color: #fff; border-color: var(--blue); z-index: 1; }

    /* Slider */
    .slider-wrap { display: flex; align-items: center; gap: 12px; flex: 1; min-width: 180px; }
    .slider-num { font-size: 22px; color: var(--ink); min-width: 44px; text-align: right; line-height: 1; }
    .slider-unit { font-size: 10px; color: var(--ink-light); }

    /* Format buttons */

    /* Quality wrap */
    .quality-wrap { display: flex; align-items: center; gap: 10px; margin-top: 8px; }
    .quality-val { font-size: 12px; color: var(--ink); min-width: 28px; text-align: right; }

    /* ── Preview Area ── */
    .preview-area {
      display: grid; grid-template-columns: 1fr 1fr;
      gap: 1px; background: var(--rule); border: 1px solid var(--border);
    }

    .pane-header {
      display: flex; align-items: center; justify-content: space-between;
      padding: 10px 16px; border-bottom: 1px solid var(--border); background: var(--bg);
    }
    .pane-header-left { display: flex; align-items: center; gap: 8px; }
    .pane-title { font-size: 10px; letter-spacing: 0.2em; color: var(--ink-light); text-transform: uppercase; }
    .pane-meta  { font-size: 10px; color: var(--ink-light); }

    .pane {
      display: flex;
      flex-direction: column;
      min-width: 0;
      background: var(--card);
    }
    .pane-img-area {
      flex: 1;
      min-height: 360px;
      height: 360px;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 20px;
      background: repeating-conic-gradient(#E8EAED 0% 25%, #F8F9FA 0% 50%) 0 0 / 16px 16px;
      overflow: hidden;
    }
    .pane-img-area img,
    .pane-img-area canvas {
      max-width: 100%;
      max-height: 100%;
      object-fit: contain;
      display: block;
      box-shadow: 0 4px 20px rgba(0,0,0,0.13);
    }

    .pane-footer {
      padding: 10px 16px; border-top: 1px solid var(--border);
      display: flex; align-items: center; justify-content: space-between;
      background: var(--bg);
    }

    /* Live indicator */

    /* ── Saving strip ── */
    .saving-strip {
      display: flex; align-items: stretch;
      border: 1px solid var(--border); background: var(--card);
    }
    .saving-big {
      padding: 18px 24px; background: var(--blue); color: white;
      display: flex; flex-direction: column; justify-content: center; gap: 2px; flex-shrink: 0; min-width: 120px;
    }
    .saving-big-label { font-size: 9px; letter-spacing: 0.2em; color: rgba(255,255,255,0.45); text-transform: uppercase; }
    .saving-big-num   { font-size: 36px; font-weight: 400; letter-spacing: -0.02em; line-height: 1; }
    .saving-big-unit  { font-size: 10px; color: rgba(255,255,255,0.45); letter-spacing: 0.1em; }
    .saving-details { display: flex; flex: 1; flex-wrap: wrap; }
    .saving-item {
      flex: 1; padding: 14px 18px; border-right: 1px solid var(--border);
      display: flex; flex-direction: column; justify-content: center; gap: 3px; min-width: 100px;
    }
    .saving-item:last-child { border-right: none; }
    .saving-key { font-size: 9px; letter-spacing: 0.2em; color: var(--ink-light); text-transform: uppercase; }
    .saving-val { font-size: 16px; color: var(--ink); }

    /* ── Action bar ── */

    .apply-btn {
      font-size: 12px; letter-spacing: 0.15em;
      background: var(--blue); color: var(--bg); border: none; height: 48px; padding: 0 32px;
      cursor: pointer; transition: background 0.15s, transform 0.1s;
      display: flex; align-items: center; gap: 10px;
    }
    .apply-btn:hover { background: var(--blue); }
    .apply-btn:active { transform: scale(0.98); }
    .apply-btn:disabled { opacity: 0.35; cursor: not-allowed; }
    .apply-btn:disabled:hover { background: var(--blue); }

    .is-applying .spinner { display: block; }
    .is-applying .btn-label { display: none; }

/* ============================================================
   Responsive fix: image-blur preview panes
   ============================================================ */
@media (max-width: 800px) {
  .preview-area {
    display: grid;
    grid-template-columns: 1fr !important;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    overflow: hidden;
  }

  .preview-area .pane {
    width: 100%;
    max-width: 100%;
    min-width: 0;
  }

  .pane-header,
  .pane-footer {
    flex-wrap: wrap;
    gap: 8px;
  }

  .pane-img-area {
    width: 100%;
    height: auto;
    min-height: 220px;
    max-height: none;
    padding: 14px;
    overflow: auto;
  }

  .pane-img-area img,
  .pane-img-area canvas {
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: min(60vh, 360px);
    object-fit: contain;
  }

  .controls-bar .ctrl-section {
    min-width: 0 !important;
  }

  .type-btns,
  .fmt-row {
    flex-wrap: wrap;
  }

  .type-btn,
  .fmt-btn {
    min-width: 0;
    white-space: normal;
    line-height: 1.35;
  }
}

@media (max-width: 420px) {
  .pane-img-area {
    min-height: 180px;
    padding: 12px;
  }

  .pane-img-area img,
  .pane-img-area canvas {
    max-height: 300px;
  }
}