.photo-detail {
    display: grid; grid-template-columns: 1fr 1fr; gap: 56px;
    margin-bottom: 64px; align-items: start;
  }
  .photo-detail-media {
    background: var(--b-paper); border-radius: 18px; overflow: hidden;
    position: relative;
    width: fit-content; max-width: 100%;
    max-height: 78vh;
    margin: 0 auto;
    touch-action: none;
  }
  .photo-detail-media img {
    display: block;
    max-width: 100%; max-height: 78vh;
    width: auto; height: auto;
    image-orientation: from-image;
    transform-origin: center center;
    transition: transform .25s cubic-bezier(.4,0,.2,1);
    will-change: transform;
    user-select: none; -webkit-user-drag: none;
  }

  /* Landscape: stack layout — ảnh hero full-width trên, info constrained-width bên dưới */
  .photo-detail.is-landscape { grid-template-columns: 1fr; gap: 36px; }
  .photo-detail.is-landscape .photo-detail-media { max-height: 72vh; }
  .photo-detail.is-landscape .photo-detail-media img { max-height: 72vh; }
  .photo-detail.is-landscape .photo-detail-info {
    max-width: 920px; margin: 0 auto; width: 100%;
  }

  /* Portrait: side-by-side, info cột nhỉnh hơn để cân với ảnh dọc cao */
  .photo-detail.is-portrait { grid-template-columns: minmax(0, 1fr) 1.1fr; }

  /* Square: 1fr 1fr (default — không cần override) */
  .photo-detail-media.is-zoomed { cursor: zoom-out; }
  .photo-detail-media.is-zoomed.is-panning { cursor: grabbing; }
  .photo-detail-media:not(.is-zoomed):hover { cursor: zoom-in; }
  .photo-detail-media.is-panning img { transition: none; }

  .photo-viewer-tools {
    position: absolute; left: 50%; bottom: 14px; transform: translateX(-50%);
    display: inline-flex; align-items: center; gap: 2px; padding: 4px;
    background: rgba(20,20,20,0.55); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
    border-radius: 999px; z-index: 3; opacity: 0; transition: opacity .2s ease;
  }
  .photo-detail-media:hover .photo-viewer-tools,
  .photo-viewer-tools:focus-within { opacity: 1; }
  .photo-viewer-tools button {
    width: 32px; height: 32px; border-radius: 50%; border: none; background: transparent;
    color: rgba(255,255,255,0.85); cursor: pointer; display: inline-flex; align-items: center; justify-content: center;
    transition: background .15s ease, color .15s ease;
  }
  .photo-viewer-tools button:hover { background: rgba(255,255,255,0.15); color: #fff; }
  .photo-viewer-tools button:disabled { opacity: .35; cursor: not-allowed; }
  .photo-viewer-tools .pv-sep { width: 1px; height: 16px; background: rgba(255,255,255,0.18); margin: 0 2px; }
  .photo-viewer-tools .pv-zoom { font-size: 11px; color: rgba(255,255,255,0.7); padding: 0 6px; font-variant-numeric: tabular-nums; min-width: 38px; text-align: center; }
  @media (hover: none) { .photo-viewer-tools { opacity: 1; } }
  .photo-detail-title { font-family: 'Cormorant Garamond', serif; font-size: clamp(30px, 4vw, 44px);
    color: var(--b-primary); margin: 8px 0 8px; font-weight: 500; line-height: 1.1; }
  .photo-detail-mode { font-size: 12px; letter-spacing: 0.18em; text-transform: uppercase;
    color: var(--b-accent); margin: 0 0 18px; }
  .recipe-specs { margin: 0 0 28px; padding: 24px; background: var(--b-bg-soft); border-radius: 12px;
    border: 1px solid var(--b-line); }
  .recipe-specs-title { font-family: 'Cormorant Garamond', serif; font-size: 18px; color: var(--b-primary);
    margin: 0 0 16px; padding-bottom: 12px; border-bottom: 1px solid var(--b-line);
    display: flex; align-items: center; gap: 12px; }
  .recipe-specs-title > span:first-child { flex: 1; }
  .recipe-lang-toggle { display: inline-flex; border: 1px solid var(--b-line); border-radius: 999px;
    overflow: hidden; font-family: system-ui, sans-serif; }
  .recipe-lang-toggle button { background: transparent; border: 0; padding: 4px 10px; font-size: 11px;
    letter-spacing: .08em; color: var(--b-mute); cursor: pointer; line-height: 1.4; }
  .recipe-lang-toggle button.is-active { background: var(--b-accent); color: #fff; }
  .recipe-specs-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 24px; }
  .recipe-specs-row { display: grid; grid-template-columns: 1fr auto; gap: 12px; padding: 4px 0; }
  .recipe-specs-row dt { font-size: 12px; color: var(--b-mute); letter-spacing: 0.04em; margin: 0; }
  .recipe-specs-row dd { font-size: 13px; color: var(--b-primary); font-weight: 600; margin: 0; text-align: right; font-family: ui-monospace, monospace; }

  .recipe-specs-subtitle { font-family: 'Cormorant Garamond', serif; font-size: 15px; color: var(--b-primary);
    letter-spacing: 0.06em; text-transform: uppercase; margin: 18px 0 8px; padding-top: 14px; border-top: 1px solid var(--b-line); }
  .recipe-specs-grid--exposure { margin-top: 4px; }

  .recipe-camera { font-size: 13px; color: var(--b-mute); padding: 14px 0 0; border-top: 1px solid var(--b-line); margin-top: 16px; }
  .recipe-camera strong { color: var(--b-primary); font-weight: 600; }

  .photo-detail-creator {
    display: inline-flex; align-items: center; gap: 10px;
    margin: 0 0 16px;
    text-decoration: none;
    color: var(--b-primary);
    font-size: 13px;
  }
  .photo-detail-creator:hover .pdc-name { text-decoration: underline; }
  .pdc-avatar {
    width: 32px; height: 32px; border-radius: 50%;
    object-fit: cover; background: var(--b-bg-soft);
    display:inline-flex; align-items:center; justify-content:center;
    font-weight: 700; color: var(--b-primary); font-size: 14px;
    border: 1px solid var(--b-line);
  }
  .pdc-by { color: var(--b-mute); font-size: 12px; letter-spacing: 0.02em; }
  .pdc-name { font-weight: 600; }

  .samples-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 12px; margin-top: 24px; }
  .samples-grid img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 8px; }

  @media (max-width: 768px) {
    .photo-detail,
    .photo-detail.is-portrait,
    .photo-detail.is-landscape,
    .photo-detail.is-square { grid-template-columns: 1fr; gap: 32px; }
    .recipe-specs-grid { grid-template-columns: 1fr; }
  }