/* ── Workspace ── */
    .workspace {
      display: grid;
      grid-template-columns: 1fr 280px;
      gap: 20px;
      align-items: start;
    }

    /* ── Canvas Area ── */
    .canvas-panel {
      border: 1px solid var(--ink);
      background: var(--card);
      display: flex;
      flex-direction: column;
    }
    .canvas-header {
      display: flex; align-items: center; justify-content: space-between;
      padding: 10px 16px; border-bottom: 1px solid var(--border); background: var(--bg);
    }
    .canvas-header-left { display: flex; align-items: center; gap: 10px; }
    .canvas-label { font-size: 10px; letter-spacing: 0.2em; color: var(--ink-light); text-transform: uppercase; }
    .crop-dims-display {
      font-size: 11px; color: var(--accent);
      background: var(--accent-muted); padding: 3px 10px; letter-spacing: 0.05em;
    }

    .canvas-wrap {
      position: relative;
      overflow: hidden;
      background: repeating-conic-gradient(#E8EAED 0% 25%, var(--bg) 0% 50%) 0 0 / 16px 16px;
      display: flex; align-items: center; justify-content: center;
      min-height: 400px;
      cursor: crosshair;
      user-select: none;
    }

    #cropCanvas {
      display: block;
      max-width: 100%;
      cursor: crosshair;
    }

    /* ── Sidebar ── */
    .sidebar {
      display: flex;
      flex-direction: column;
      gap: 1px;
      background: var(--rule);
      border: 1px solid var(--border);
    }

    .sidebar-section {
      background: var(--card);
      padding: 16px;
    }

    .sidebar-title {
      font-size: 9px;
      letter-spacing: 0.25em;
      color: var(--ink-light);
      text-transform: uppercase;
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    /* Aspect ratio buttons */
    .aspect-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 4px;
    }
    .aspect-btn {
      font-size: 10px;
      letter-spacing: 0.08em;
      padding: 8px 0;
      border: 1px solid var(--border);
      background: transparent;
      color: var(--ink-light);
      cursor: pointer;
      transition: all 0.15s;
      text-align: center;
    }
    .aspect-btn:hover { border-color: var(--blue); color: var(--blue); }
    .aspect-btn.active { background: var(--blue); color: #fff; border-color: var(--blue); }
    .aspect-btn.full-width { grid-column: 1 / -1; }

    /* Numeric inputs */
    .dim-row {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 8px;
    }
    .dim-row:last-child { margin-bottom: 0; }
    .dim-row-label {
      font-size: 10px;
      color: var(--ink-light);
      letter-spacing: 0.1em;
      width: 14px;
      flex-shrink: 0;
    }
    .dim-input {
      font-size: 12px;
      flex: 1;
      height: 32px;
      border: 1px solid var(--border);
      background: var(--bg);
      color: var(--ink);
      text-align: right;
      padding: 0 8px;
      outline: none;
      transition: border-color 0.15s;
    }
    .dim-input:focus { border-color: var(--ink); }
    .dim-unit {
      font-size: 10px;
      color: var(--ink-light);
      flex-shrink: 0;
    }

    /* Lock ratio toggle */
    .lock-row {
      display: flex; align-items: center; gap: 8px; margin-top: 10px;
    }
    .toggle-checkbox {
      appearance: none; width: 32px; height: 18px; background: var(--rule);
      border-radius: 9px; cursor: pointer; position: relative; transition: background 0.2s; flex-shrink: 0;
    }
    .toggle-checkbox::after {
      content: ''; position: absolute; width: 12px; height: 12px; background: white;
      border-radius: 50%; top: 3px; left: 3px; transition: left 0.2s;
    }
    .toggle-checkbox:checked { background: var(--blue); }
    .toggle-checkbox:checked::after { left: 17px; }
    .toggle-label { font-size: 11px; color: var(--ink); font-weight: 300; cursor: pointer; }

    /* Output format */

    /* JPG quality */
    .quality-wrap { display: flex; align-items: center; gap: 10px; margin-top: 10px; }
    .quality-val { font-size: 13px; color: var(--ink); min-width: 28px; text-align: right; }

    /* Info items */
    .info-row {
      display: flex; justify-content: space-between; align-items: center;
      padding: 5px 0; border-bottom: 1px solid var(--border);
    }
    .info-row:last-child { border-bottom: none; }

    /* ── Action buttons ── */
    .action-section {
      background: var(--card);
      padding: 16px;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .crop-btn {
      font-size: 11px; letter-spacing: 0.15em;
      background: var(--blue); color: var(--bg); border: none;
      height: 44px; padding: 0; cursor: pointer;
      transition: background 0.15s, transform 0.1s;
      width: 100%; display: flex; align-items: center; justify-content: center; gap: 8px;
    }
    .crop-btn:hover { background: var(--blue); }
    .crop-btn:active { transform: scale(0.98); }
    .crop-btn:disabled { opacity: 0.35; cursor: not-allowed; }
    .crop-btn:disabled:hover { background: var(--blue); }

    /* ── Preview strip ── */
    .preview-strip {
      border: 1px solid var(--border); background: var(--card);
      display: flex; align-items: stretch;
    }
    .preview-label-block {
      padding: 16px 20px; background: var(--blue); color: white;
      display: flex; flex-direction: column; justify-content: center; gap: 4px; flex-shrink: 0; min-width: 100px;
    }
    .preview-label-title { font-size: 9px; letter-spacing: 0.2em; color: rgba(255,255,255,0.5); text-transform: uppercase; }
    .preview-label-dims { font-size: 16px; color: white; }
    .preview-label-fmt  { font-size: 10px; color: rgba(255,255,255,0.5); letter-spacing: 0.1em; }

    .preview-img-wrap {
      flex: 1; display: flex; align-items: center; justify-content: center;
      padding: 16px; min-height: 100px;
      background: repeating-conic-gradient(#E8EAED 0% 25%, var(--bg) 0% 50%) 0 0 / 12px 12px;
    }
    .preview-img-wrap img { max-height: 180px; max-width: 100%; object-fit: contain; box-shadow: 0 2px 12px rgba(0,0,0,0.12); display: block; }

    .preview-stats {
      display: flex; flex-direction: column; justify-content: center;
      padding: 16px 20px; border-left: 1px solid var(--border); gap: 6px; min-width: 140px;
    }
    .preview-stat { display: flex; flex-direction: column; gap: 1px; }
    .preview-stat-key { font-size: 9px; letter-spacing: 0.15em; color: var(--ink-light); text-transform: uppercase; }
    .preview-stat-val { font-size: 14px; color: var(--ink); }
    .size-badge { font-size: 10px; padding: 2px 8px; background: var(--green-bg); color: var(--green); display: inline-block; margin-top: 2px; }

    @media (max-width: 900px) {
      header, main, .page-hero, footer { padding-left: 20px; padding-right: 20px; }
      .workspace { grid-template-columns: 1fr; }
      .sidebar { order: -1; }
      .aspect-grid { grid-template-columns: repeat(4, 1fr); }
    }