.app-shell { width: min(1240px, calc(100% - 40px)); margin: 0 auto; padding: 28px 0 56px; }
    .masthead {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      margin-bottom: 24px;
    }
    .brand { display: flex; align-items: center; gap: 12px; }
    .brand-mark {
      width: 36px;
      height: 36px;
      display: grid;
      place-items: center;
      border: 1px solid color-mix(in srgb, var(--accent) 38%, var(--line));
      border-radius: 11px;
      background: var(--accent-soft);
      color: var(--accent-strong);
      font: 700 15px/1 var(--mono);
      letter-spacing: -.08em;
      box-shadow: inset 0 0 0 4px color-mix(in srgb, var(--accent-soft) 60%, transparent);
    }
    .title { margin: 0; font-size: 18px; line-height: 1.2; font-weight: 650; letter-spacing: -.025em; }
    .subtitle { margin: 3px 0 0; color: var(--ink-soft); font-size: 12.5px; }
    .drop {
      min-height: 255px;
      display: grid;
      place-items: center;
      padding: 34px;
      border: 1.5px dashed var(--line);
      border-radius: 20px;
      background:
        radial-gradient(circle at 50% 0%, color-mix(in srgb, var(--accent-soft) 65%, transparent), transparent 44%),
        var(--panel);
      cursor: pointer;
      text-align: center;
      box-shadow: var(--shadow);
      transition: border-color .14s ease, background-color .14s ease;
    }
    .drop:hover, .drop.over {
      border-color: var(--accent);
      background:
        radial-gradient(circle at 50% 0%, var(--accent-soft), transparent 52%),
        var(--panel);
    }
    .drop-content { max-width: 470px; }
    .drop-icon {
      width: 52px;
      height: 52px;
      display: grid;
      place-items: center;
      margin: 0 auto 16px;
      border-radius: 15px;
      background: var(--accent-soft);
      color: var(--accent-strong);
      font: 700 16px/1 var(--mono);
      letter-spacing: -.08em;
    }
    .drop h2 { margin: 0; font-size: 20px; line-height: 1.25; font-weight: 620; letter-spacing: -.025em; }
    .drop p { margin: 7px 0 0; color: var(--ink-soft); font-size: 13px; }
    .drop .browse { color: var(--accent-strong); font-weight: 600; }
    input[type="file"] { display: none; }
    body.has-results .drop { display: none; }

    .drop-overlay {
      position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 24px;
      background: color-mix(in srgb, var(--bg) 74%, transparent); backdrop-filter: blur(12px);
      opacity: 0; visibility: hidden; pointer-events: none; transition: opacity .14s ease, visibility 0s linear .14s;
    }
    .drop-overlay.active { opacity: 1; visibility: visible; transition-delay: 0s; }
    .drop-overlay-panel {
      width: min(560px, 100%); min-height: 300px; display: grid; place-items: center; padding: 40px;
      border: 2px dashed var(--accent); border-radius: 24px;
      background: color-mix(in srgb, var(--panel) 92%, transparent); box-shadow: 0 24px 90px rgba(12, 35, 39, .2); text-align: center;
      transform: none;
    }
    .drop-overlay-icon {
      width: 76px; height: 76px; display: grid; place-items: center; margin: 0 auto 18px; border-radius: 22px;
      background: var(--accent-soft); color: var(--accent-strong); font: 750 18px/1 var(--mono);
      box-shadow: none; animation: none;
    }
    @keyframes drop-pulse { 70%, 100% { box-shadow: 0 0 0 20px transparent; } }
    .drop-overlay h2 { margin: 0; font-size: 23px; letter-spacing: -.035em; }
    .drop-overlay p { margin: 7px 0 0; color: var(--ink-soft); font-size: 13px; }

    .err {
      margin-top: 16px;
      padding: 12px 14px;
      border: 1px solid color-mix(in srgb, var(--c-skin) 55%, var(--line));
      border-radius: 12px;
      background: color-mix(in srgb, var(--c-skin) 10%, var(--panel));
      color: var(--ink);
      font-size: 13px;
    }

    .results { display: none; flex-direction: column; gap: 18px; }
    .filebar {
      min-height: 56px;
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 10px 12px 10px 15px;
      border: 1px solid var(--line);
      border-radius: 14px;
      background: var(--panel);
      box-shadow: var(--shadow);
    }
    .file-glyph {
      width: 30px;
      height: 30px;
      flex: none;
      display: grid;
      place-items: center;
      border-radius: 9px;
      background: var(--accent-soft);
      color: var(--accent-strong);
      font: 700 11px/1 var(--mono);
    }
    .file-copy { min-width: 0; flex: 1; }
    .file-name-row { min-width: 0; display: flex; align-items: center; gap: 7px; }
    .file-name { min-width: 0; flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font: 600 13px/1.3 var(--mono); }
    .file-meta { margin-top: 2px; color: var(--ink-faint); font-size: 11.5px; }
    .file-savings { flex: none; padding: 4px 6px; border: 1px solid var(--sage-dim); background: var(--sage); color: var(--forest); font: 700 8.5px/1 var(--mono); letter-spacing: .03em; }
    .file-savings.grew { border-color: var(--amber); background: color-mix(in srgb, var(--amber) 16%, var(--panel)); color: #6c470f; }
    .file-savings[hidden] { display: none; }
    .again {
      min-height: 34px;
      flex: none;
      padding: 0 13px;
      border: 1px solid var(--line);
      border-radius: 9px;
      background: var(--panel);
      cursor: pointer;
      font-size: 12px;
      font-weight: 600;
    }
    .again:hover { border-color: var(--accent); color: var(--accent-strong); }
    .file-actions { display: flex; flex: none; gap: 7px; }
    .download-current[hidden] { display: none; }
    .download-current {
      border-color: color-mix(in srgb, var(--accent) 55%, var(--line));
      background: var(--accent-soft);
      color: var(--accent-strong);
    }

    .metric-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
    .storage-metrics { margin-top: 18px; padding-top: 18px; border-top: 1px solid var(--line-soft); }
    .metric {
      min-width: 0;
      padding: 12px 13px 11px;
      border: 1px solid var(--line);
      border-radius: 10px;
      background: var(--panel-soft);
    }
    .metric-value {
      overflow: hidden;
      color: var(--ink);
      font: 600 clamp(17px, 2vw, 22px)/1.15 var(--mono);
      letter-spacing: -.04em;
      text-overflow: ellipsis;
      white-space: nowrap;
    }
    .metric-label { margin-top: 5px; color: var(--ink-faint); font-size: 10.5px; font-weight: 650; letter-spacing: .09em; text-transform: uppercase; }
    .metric-sub { min-height: 27px; max-height: 27px; margin-top: 5px; overflow: hidden; color: var(--ink-faint); font: 9.5px/1.42 var(--mono); display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
    .metric.changed { border-color: color-mix(in srgb, var(--accent) 46%, var(--line)); background: color-mix(in srgb, var(--accent-soft) 34%, var(--panel)); }
    .metric.changed .metric-sub { color: var(--accent-strong); }
    .smart-compress { position: relative; z-index: 40; flex: none; }
    .smart-compress-trigger {
      min-width: 146px;
      height: 46px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 0 14px;
      border: 1px solid var(--sage-dim);
      border-radius: 0;
      background: var(--sage);
      color: var(--forest);
      cursor: pointer;
      font: 700 9px/1 var(--mono);
      letter-spacing: .08em;
      text-transform: uppercase;
      transition: color .18s ease, border-color .18s ease, background-color .18s ease;
    }
    .smart-compress-trigger svg { width: 11px; height: 11px; flex: none; transition: transform .18s ease; }
    .smart-compress.is-open .smart-compress-trigger svg { transform: rotate(180deg); }
    .smart-compress-trigger:hover,
    .smart-compress-trigger:focus-visible,
    .smart-compress-trigger.is-busy { border-color: var(--forest); background: var(--forest); color: var(--sage); outline: 0; }
    .smart-compress-trigger:disabled { cursor: default; opacity: .42; }
    .smart-compress-trigger.is-busy:disabled { opacity: 1; }
    .smart-compress-menu {
      position: absolute;
      top: calc(100% + 6px);
      right: 0;
      width: 384px;
      z-index: 90;
      padding: 6px;
      border: 1px solid var(--forest);
      background: var(--panel);
      box-shadow: 0 12px 30px rgba(21, 26, 19, .13);
    }
    .smart-compress-menu[hidden] { display: none; }
    .smart-compress-copy { padding: 7px 8px 9px; border-bottom: 1px solid var(--line); }
    .smart-compress-note,
    .smart-compress-status {
      margin: 0;
      color: var(--ink-faint);
      font: 500 8px/1.4 var(--mono);
      letter-spacing: .025em;
    }
    .smart-compress-status { margin-top: 4px; color: var(--accent-strong); }
    .smart-compress-status:empty { display: none; }
    .smart-compress-presets { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 4px; padding-top: 5px; }
    .smart-compress-button {
      min-width: 0;
      min-height: 47px;
      display: flex;
      flex-direction: column;
      align-items: stretch;
      gap: 3px;
      padding: 5px;
      border: 1px solid var(--line-soft);
      border-radius: 0;
      background: var(--panel);
      color: var(--ink);
      cursor: pointer;
      text-align: left;
      transition: color .18s ease, border-color .18s ease, background-color .18s ease;
    }
    .smart-compress-button:hover,
    .smart-compress-button:focus-visible {
      border-color: var(--sage-dim);
      background: var(--accent-soft);
      color: var(--forest);
      outline: 0;
    }
    .smart-compress-button:disabled { cursor: default; opacity: .38; }
    .smart-compress-button.is-busy { border-color: var(--sage-dim); background: var(--accent-soft); }
    .smart-compress-button b {
      overflow: hidden;
      font: 700 9px/1 var(--mono);
      letter-spacing: .07em;
      text-overflow: ellipsis;
      text-transform: uppercase;
      white-space: nowrap;
    }
    .smart-compress-button span {
      overflow: hidden;
      color: var(--ink-faint);
      font: 600 7.5px/1 var(--mono);
      text-overflow: ellipsis;
      white-space: nowrap;
      text-align: right;
    }
    .smart-compress-button.is-recommended { border-color: var(--sage-dim); }
    .smart-compress-ref { margin-top: 4px; color: var(--ink-soft); font: 600 8px/1.4 var(--mono); letter-spacing: .02em; }
    .smart-compress-ref:empty { display: none; }
    .smart-compress-ref b { color: var(--ink); font-weight: 700; }
    .smart-compress-button .sc-swatch {
      position: relative;
      width: 100%;
      aspect-ratio: 1;
      overflow: hidden;
      border: 1px solid var(--line-soft);
      background-color: #d8dbe0;
      background-image:
        linear-gradient(45deg, #c8ccd2 25%, transparent 25%),
        linear-gradient(-45deg, #c8ccd2 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #c8ccd2 75%),
        linear-gradient(-45deg, transparent 75%, #c8ccd2 75%);
      background-position: 0 0, 0 7px, 7px -7px, -7px 0;
      background-size: 14px 14px;
    }
    .smart-compress-button .sc-swatch img { width: 100%; height: 100%; display: block; object-fit: cover; }
    .smart-compress-button .sc-swatch.is-loading::after {
      content: ""; position: absolute; inset: 0; margin: auto; width: 20px; height: 20px;
      border: 2px solid var(--line); border-top-color: var(--accent); border-radius: 50%; animation: spin .85s linear infinite;
    }
    .smart-compress-button .sc-swatch.is-empty::after {
      content: "No preview"; position: absolute; inset: 0; display: grid; place-items: center;
      color: var(--ink-faint); font: 700 7px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase;
    }
    .smart-compress-button .sc-res {
      position: absolute; left: 0; bottom: 0; padding: 2px 4px;
      background: rgba(16, 19, 24, .72); color: #fff; font: 650 7.5px/1.2 var(--mono);
      backdrop-filter: blur(4px);
    }
    .smart-compress-button b { margin-top: 3px; }
    .smart-compress-button .sc-detail { text-align: left; color: var(--ink-faint); font: 600 7px/1.3 var(--mono); white-space: normal; }
    .smart-compress-button .sc-size { text-align: left; color: var(--accent-strong); font: 700 8.5px/1.2 var(--mono); }
    .smart-compress-button .sc-count { text-align: left; color: var(--ink-faint); font: 600 7px/1.2 var(--mono); }

    .analytics-grid {
      height: min(760px, calc(100svh - 88px));
      min-height: 640px;
      display: grid;
      grid-template-columns: minmax(0, 1.45fr) minmax(330px, .75fr);
      align-items: stretch;
      gap: 14px;
      transition: grid-template-columns .42s cubic-bezier(.22, .68, 0, 1), gap .42s cubic-bezier(.22, .68, 0, 1), height .42s cubic-bezier(.22, .68, 0, 1);
    }
    .analytics-grid > .card { height: 100%; min-height: 0; }
    .analytics-grid > .card:first-child {
      transition: width .42s cubic-bezier(.22, .68, 0, 1), padding .42s cubic-bezier(.22, .68, 0, 1), border-width .42s ease, opacity .25s ease, transform .42s cubic-bezier(.22, .68, 0, 1);
    }
    .card {
      min-width: 0;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: var(--panel);
      box-shadow: var(--shadow);
    }
    .card-pad { padding: 20px; }
    .section-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 18px; }
    .section-head > div:first-child { min-width: 0; }
    .eyebrow {
      margin: 0 0 4px;
      color: var(--ink-faint);
      font-size: 10.5px;
      font-weight: 700;
      letter-spacing: .11em;
      text-transform: uppercase;
    }
    .section-title { margin: 0; font-size: 16px; line-height: 1.25; font-weight: 650; letter-spacing: -.025em; }
    #assetDisplayName { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
    .section-note { margin: 5px 0 0; color: var(--ink-soft); font-size: 12px; }
    .head-stat { flex: none; text-align: right; }
    .head-stat b { display: block; font: 600 17px/1.2 var(--mono); letter-spacing: -.03em; }
    .head-stat span { color: var(--ink-faint); font-size: 10.5px; text-transform: uppercase; letter-spacing: .08em; }

    .composition-body { display: grid; grid-template-columns: minmax(220px, .8fr) minmax(280px, 1.2fr); align-items: center; gap: 28px; min-height: 260px; }
    .storage-donut-wrap { display: grid; place-items: center; }
    .storage-donut { width: min(260px, 100%); aspect-ratio: 1; cursor: crosshair; }
    .storage-donut svg { width: 100%; height: 100%; display: block; overflow: visible; }
    .donut-slice { stroke: var(--panel); stroke-width: .35; vector-effect: non-scaling-stroke; }
    .storage-donut.has-focus .donut-slice.active { fill: var(--ink) !important; opacity: 1; }
    .storage-donut.has-focus .donut-slice:not(.active) { fill: var(--line) !important; opacity: .72; }
    .donut-center { fill: var(--panel); stroke: var(--line); stroke-width: 1; vector-effect: non-scaling-stroke; }
    .donut-total { fill: var(--ink); font: 650 18px/1 var(--mono); letter-spacing: -.05em; }
    .donut-caption { fill: var(--ink-faint); font: 700 6px/1 var(--mono); letter-spacing: .15em; text-transform: uppercase; }
    .composition-lead { min-height: 38px; margin: 0 0 8px; color: var(--ink-soft); font-size: 12.5px; }
    .composition-lead b { color: var(--ink); font-weight: 650; }
    .legend-list { display: flex; flex-direction: column; gap: 11px; }
    .legend-row { display: grid; grid-template-columns: minmax(110px, 1fr) 80px 48px; align-items: center; gap: 10px; margin-inline: -8px; padding: 7px 8px; cursor: pointer; font-size: 12px; }
    .legend-list.has-focus .legend-row:not(.active) { opacity: .25; }
    .legend-row.active { background: var(--panel-soft); box-shadow: inset 3px 0 0 var(--ink); }
    .legend-row.active .legend-name, .legend-row.active .legend-pct { color: var(--ink); font-weight: 700; }
    .legend-row:focus-visible { outline: 1px solid var(--ink); outline-offset: 2px; }
    .legend-label { min-width: 0; display: flex; align-items: center; gap: 8px; }
    .swatch { width: 9px; height: 9px; flex: none; border-radius: 3px; }
    .legend-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
    .legend-size, .legend-pct { font-family: var(--mono); font-variant-numeric: tabular-nums; text-align: right; }
    .legend-size { color: var(--ink-soft); }
    .legend-pct { color: var(--ink); font-weight: 600; }
    .legend-track { grid-column: 1 / -1; height: 3px; margin-top: -6px; overflow: hidden; border-radius: 99px; background: var(--line-soft); }
    .legend-track i { display: block; height: 100%; border-radius: inherit; }

    .media-grid { position: relative; z-index: 10; display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(330px, .75fr); gap: 14px; align-items: start; }
    .viewer-card { overflow: hidden; }
    .texture-card { position: relative; overflow: visible; }
    .texture-card:has(.texture-optimizer[open]) { z-index: 60; }
    .material-card { min-width: 0; position: relative; display: flex; flex-direction: column; overflow: hidden; }
    .material-card .section-head { margin: 0; padding: 18px 18px 14px; }
    .material-card .contents-scroll { min-height: 0; flex: 1 1 auto; max-height: none; overflow: auto; padding: 18px; scrollbar-width: thin; scrollbar-color: var(--line) transparent; }
    .material-card .contents-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
    .material-card .asset-preview { height: 120px; }
    .material-card .asset-card { position: relative; cursor: pointer; }
    .material-card .asset-card:hover { border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); }
    .material-card .asset-card:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
    .material-card .asset-card.selected { border-color: var(--accent); box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 16%, transparent); }
    .material-check {
      width: 20px;
      height: 20px;
      position: absolute;
      top: 7px;
      right: 7px;
      z-index: 4;
      display: grid;
      place-items: center;
      border: 1px solid color-mix(in srgb, var(--line) 75%, transparent);
      border-radius: 0;
      background: color-mix(in srgb, var(--panel) 90%, transparent);
      color: transparent;
      font: 800 10px/1 var(--sans);
      backdrop-filter: blur(5px);
    }
    .material-card .asset-card.selected .material-check { border-color: var(--forest); background: var(--forest); color: var(--sage); }
    .viewer-card .section-head, .texture-card .section-head { margin: 0; padding: 18px 18px 14px; }
    .viewer-card .viewer-file-head { display: block; padding: 0; }
    .viewer-file-row { min-height: 72px; display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 12px; padding: 14px 16px; background: var(--panel); }
    .viewer-file-identity { min-width: 0; display: flex; align-items: center; }
    .viewer-file-head .file-copy { min-width: 0; display: grid; row-gap: 4px; }
    .viewer-file-head .eyebrow { margin: 0 0 2px; color: var(--ink-faint); font: 700 10px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; }
    .viewer-file-head .file-size-stack { display: grid; gap: 4px; margin-top: 0; }
    .viewer-file-head .file-size-before { color: var(--ink-faint); font: 600 8px/1 var(--mono); letter-spacing: .05em; text-decoration: line-through; text-decoration-thickness: 1px; text-decoration-color: color-mix(in srgb, var(--ink-faint) 58%, transparent); text-transform: uppercase; }
    .viewer-file-head .file-size-row { display: flex; align-items: center; gap: 7px; min-height: 16px; }
    .viewer-format-prefix { color: var(--ink-soft); font: 600 8px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; white-space: nowrap; }
    .viewer-file-head .file-meta { margin: 0; color: var(--ink-soft); font: 600 9px/1.2 var(--mono); letter-spacing: .04em; white-space: normal; }
    .viewer-file-head .file-savings { width: max-content; display: inline-flex; align-items: center; margin: 0; padding: 3px 5px; }
    .viewer-file-head .file-savings[hidden] { display: none; }
    .viewer-file-actions { width: auto; display: grid; grid-template-columns: repeat(2, 88px); align-items: stretch; gap: 8px; }
    .viewer-file-actions .again { width: 88px; min-width: 0; height: 44px; min-height: 44px; display: grid; place-items: center; padding: 6px 8px; border-radius: 0; font: 700 8px/1.15 var(--mono); letter-spacing: .06em; text-transform: uppercase; }
    .viewer-file-actions .viewer-file-add { border: 1px solid var(--ink); background: var(--panel); color: var(--ink); }
    .viewer-file-actions .viewer-file-add:hover,
    .viewer-file-actions .viewer-file-add:focus-visible { border-color: var(--sage-dim); background: var(--sage); color: var(--forest); outline: 0; }
    .viewer-file-actions .download-current { width: 88px; min-width: 0; height: 44px; min-height: 44px; padding: 6px 8px; border-radius: 0; }
    .viewer-file-actions .download-current span { font: 700 8px/1.15 var(--mono); letter-spacing: .06em; text-transform: uppercase; }
    .viewer-file-actions .download-current.is-busy span { animation: none; }
    .viewer-stage .viewer-focus-toggle { width: 32px; height: 32px; position: absolute; top: 12px; right: 12px; z-index: 6; display: grid; place-items: center; padding: 0; border: 1px solid color-mix(in srgb, var(--sage) 52%, transparent); border-radius: 0; background: color-mix(in srgb, var(--forest) 88%, transparent); color: var(--sage); cursor: pointer; }
    .viewer-stage .viewer-focus-toggle:hover,
    .viewer-stage .viewer-focus-toggle:focus-visible { border-color: var(--sage); background: var(--sage); color: var(--forest); outline: 0; }
    .viewer-stage .viewer-focus-toggle span { display: none; }
    .viewer-focus-toggle svg { width: 13px; height: 13px; }
    @keyframes download-pulse { 50% { opacity: .35; } }
    .viewer-stage {
      --viewer-load-progress: 0;
      height: auto;
      min-height: 250px;
      flex: 1 1 auto;
      position: relative;
      overflow: hidden;
      isolation: isolate;
      border-top: 1px solid var(--line-soft);
      background-color: #151a13;
    }

    /* Focus viewport: the preview takes the workspace while the analytics panel
       collapses away, preserving the viewer controls and a clear exit path. */
    body.viewer-focus-mode { overflow: hidden; }
    .viewer-focus-mode .app-shell { width: 100%; min-height: 100svh; padding: 0; }
    .viewer-focus-mode .masthead,
    .viewer-focus-mode .drop,
    .viewer-focus-mode .results > :not(.analytics-grid),
    .viewer-focus-mode .foot { display: none; }
    .viewer-focus-mode .results { gap: 0; }
    .viewer-focus-mode .analytics-grid {
      height: 100svh;
      min-height: 100svh;
      grid-template-columns: 0 minmax(0, 1fr);
      gap: 0;
    }
    .viewer-focus-mode .analytics-grid > .card:first-child {
      width: 0;
      min-width: 0;
      padding: 0;
      overflow: hidden;
      border-width: 0;
      opacity: 0;
      pointer-events: none;
      transform: translateX(-26px) scale(.985);
    }
    .viewer-focus-mode .viewer-card { border-width: 0; border-radius: 0; }
    .viewer-focus-mode .viewer-file-head { display: none; }
    .viewer-focus-mode .viewer-stage { height: auto; min-height: 0; flex: 1 1 auto; }
    .viewer-focus-mode .viewer-stage .viewer-focus-toggle { width: auto; height: 38px; top: 16px; left: 16px; right: auto; display: inline-flex; align-items: center; gap: 7px; padding: 0 13px; border-color: var(--sage); background: var(--forest); color: var(--sage); font: 700 9px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
    .viewer-focus-mode .viewer-stage .viewer-focus-toggle::before { content: "←"; font: 600 16px/1 sans-serif; }
    .viewer-focus-mode .viewer-stage .viewer-focus-toggle svg { display: none; }
    .viewer-focus-mode .viewer-stage .viewer-focus-toggle span { display: inline; }
    .viewer-focus-mode .animation-player { padding: 6px 20px 8px; border-top: 1px solid var(--line); background: var(--panel-soft); }
    .viewer-focus-mode .player-timeline { margin-bottom: 3px; }
    .viewer-focus-mode .player-scrubber { height: 14px; background-size: 100% 3px; }
    .viewer-focus-mode .player-scrubber::-webkit-slider-runnable-track { height: 3px; }
    .viewer-focus-mode .player-scrubber::-webkit-slider-thumb { width: 12px; height: 12px; margin-top: -4.5px; }
    .viewer-focus-mode .viewer-footer { height: 104px; min-height: 104px; padding: 7px 20px 9px; border-top: 1px solid var(--line); }
    .viewer-focus-mode .lighting-strip { gap: 5px; }
    .viewer-focus-mode .lighting-label { padding-bottom: 5px; }
    .viewer-focus-mode .lighting-preset { grid-template-rows: minmax(0, 2.5fr) minmax(24px, 1fr); }
    .viewer-focus-mode .lighting-name { padding: 4px 5px; font-size: 7.5px; }
    .viewer-stage::before {
      content: "";
      position: absolute;
      inset: 0;
      z-index: 0;
      pointer-events: none;
      background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3E%3Crect width='2' height='2' fill='%23b8d4a4' fill-opacity='.18'/%3E%3C/svg%3E");
      background-position: 0 0;
      background-size: 16px 16px;
      clip-path: inset(0);
    }
    .viewer-stage.is-loading::before { opacity: 0; clip-path: inset(0 0 100% 0); }
    .viewer-stage.is-grid-revealing::before {
      clip-path: inset(0);
      animation: viewer-grid-reveal .58s steps(16, end) both;
    }
    @keyframes viewer-grid-reveal {
      0% { opacity: 0; clip-path: inset(0 0 100% 0); }
      10% { opacity: 1; }
      100% { opacity: 1; clip-path: inset(0); }
    }
    model-viewer { width: 100%; height: 100%; position: relative; z-index: 1; display: block; --poster-color: transparent; background: transparent; transition: opacity .22s ease; }
    .viewer-stage.is-loading model-viewer { opacity: 0; pointer-events: none; }
    .viewer-stage.is-grid-revealing model-viewer { animation: viewer-model-reveal .42s ease-out both; }
    @keyframes viewer-model-reveal {
      from { opacity: 0; }
      to { opacity: 1; }
    }
    model-viewer.is-framing-animation { opacity: 0; pointer-events: none; }
    model-viewer::part(default-progress-bar) { opacity: 0; height: 0; }
    .viewer-load-progress {
      width: min(240px, 52%);
      height: 3px;
      position: absolute;
      top: 50%;
      left: 50%;
      z-index: 3;
      overflow: hidden;
      border: 1px solid rgba(184, 212, 164, .3);
      background: rgba(184, 212, 164, .1);
      opacity: 0;
      visibility: hidden;
      transform: translate(-50%, -50%);
      transition: opacity .16s ease, visibility 0s linear .16s;
      pointer-events: none;
    }
    .viewer-load-progress span {
      width: 100%;
      height: 100%;
      display: block;
      background: var(--sage);
      transform: scaleX(var(--viewer-load-progress));
      transform-origin: left center;
      transition: transform .12s linear;
    }
    .viewer-stage.is-loading .viewer-load-progress {
      opacity: 1;
      visibility: visible;
      transition-delay: 0s;
    }
    .viewer-status {
      display: none;
      position: absolute;
      left: 12px;
      bottom: 12px;
      z-index: 2;
      padding: 5px 8px;
      border: 1px solid color-mix(in srgb, var(--line) 70%, transparent);
      border-radius: 7px;
      background: color-mix(in srgb, var(--panel) 88%, transparent);
      color: var(--ink-soft);
      font-size: 10.5px;
      backdrop-filter: blur(8px);
      pointer-events: none;
    }
    .viewer-card { display: flex; flex-direction: column; }
    .viewer-footer { height: 136px; min-height: 136px; flex: none; display: flex; padding: 12px 14px 14px; border-top: 1px solid var(--line-soft); background: var(--panel); }
    .lighting-strip { width: 100%; display: grid; grid-template-columns: 1fr; grid-template-rows: auto minmax(0, 1fr); align-items: stretch; gap: 9px; }
    .lighting-label { padding-bottom: 7px; border-bottom: 1px solid var(--line-soft); color: var(--ink-faint); font: 700 8px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; }
    .lighting-presets { width: 100%; min-width: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 6px; }
    .lighting-preset { min-width: 0; display: grid; grid-template-columns: 1fr; grid-template-rows: minmax(0, 3fr) minmax(36px, 1fr); align-items: stretch; justify-items: stretch; gap: 0; padding: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 0; background: var(--panel); color: var(--ink-soft); cursor: pointer; text-align: center; transition: border-color .15s, background .15s, color .15s; }
    .lighting-preset:hover, .lighting-preset:focus-visible { border-color: var(--accent); color: var(--ink); outline: 0; }
    .lighting-preset.is-active { border-color: var(--forest); background: var(--forest); color: var(--sage); }
    .lighting-swatch { width: 100%; height: 100%; position: relative; place-self: stretch; overflow: hidden; border: 0; border-bottom: 1px solid color-mix(in srgb, currentColor 28%, transparent); border-radius: 0; background: linear-gradient(135deg, #e9e6da 0 35%, #9aa9ae 36% 62%, #51616a 63% 100%); background-position: center top; background-size: auto 140%; box-shadow: none; }
    .lighting-swatch::after { content: none; }
    .lighting-preset[data-lighting="neutral"] .lighting-swatch { background-image: url("https://cdn.polyhaven.com/asset_img/thumbs/studio_small_09.png?height=256"); background-position: 50% 0; }
    .lighting-preset[data-lighting="sunrise"] .lighting-swatch { background-image: url("https://cdn.polyhaven.com/asset_img/thumbs/spruit_sunrise.png?height=256"); background-position: 55% 0; }
    .lighting-preset[data-lighting="workshop"] .lighting-swatch { background-image: url("https://cdn.polyhaven.com/asset_img/thumbs/aircraft_workshop_01.png?height=256"); background-position: 52% 0; }
    .lighting-preset[data-lighting="creek"] .lighting-swatch { background-image: url("https://cdn.polyhaven.com/asset_img/thumbs/whipple_creek_regional_park_04.png?height=256"); background-position: 54% 0; }
    .lighting-preset[data-lighting="sunny"] .lighting-swatch { background-image: url("https://cdn.polyhaven.com/asset_img/thumbs/qwantani.png?height=256"); background-position: 52% 0; }
    .lighting-name { min-width: 0; display: grid; place-items: center; padding: 8px 5px; font: 600 8.5px/1.15 var(--mono); letter-spacing: .02em; text-transform: uppercase; white-space: nowrap; }
    .animation-player { position: relative; padding: 12px 14px 14px; border-top: 1px solid var(--line-soft); background: var(--panel-soft); }
    .animation-player[hidden] { display: none; }
    .player-top { display: grid; grid-template-columns: 36px minmax(0, 1fr) 58px 60px; gap: 8px; align-items: stretch; }
    .player-button { width: 34px; height: 34px; display: grid; place-items: center; padding: 0; border: 1px solid var(--line); border-radius: 0; background: var(--panel); color: var(--ink); cursor: pointer; font: 700 11px/1 var(--mono); }
    #animationPlayToggle { width: 36px; height: 36px; }
    .player-button.primary { border-color: var(--accent); background: var(--accent); color: #fff; }
    .player-button:hover { border-color: var(--accent); background: var(--accent-soft); }
    .player-button.primary:hover { background: var(--accent-strong); color: var(--panel); }
    .player-button:disabled { cursor: default; opacity: .45; }
    .player-state-icon { width: 13px; height: 13px; display: block; fill: currentColor; }
    .player-state-icon.pause { display: none; }
    .player-button.is-playing .player-state-icon.play { display: none; }
    .player-button.is-playing .player-state-icon.pause { display: block; }
    .native-clip-select { display: none; }
    .clip-picker { min-width: 0; position: relative; }
    .clip-picker-trigger {
      width: 100%;
      height: 36px;
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto 12px;
      grid-template-rows: 9px minmax(0, 1fr);
      align-items: center;
      column-gap: 7px;
      row-gap: 3px;
      padding: 5px 10px;
      border: 1px solid var(--line);
      background: var(--panel);
      color: var(--ink);
      cursor: pointer;
      text-align: left;
    }
    .clip-picker-trigger:hover, .clip-picker-trigger[aria-expanded="true"] { border-color: var(--accent); }
    .clip-picker-label { grid-column: 1; grid-row: 1; align-self: center; color: var(--ink-faint); font: 500 7px/1 var(--mono); letter-spacing: .13em; text-transform: uppercase; }
    .clip-picker-value { grid-column: 1; grid-row: 2; align-self: start; overflow: hidden; font: 600 13px/1 var(--mono); text-overflow: ellipsis; text-transform: uppercase; white-space: nowrap; }
    .clip-picker-duration { grid-column: 2; grid-row: 1 / 3; color: var(--ink-soft); font: 500 8.5px/1 var(--mono); font-variant-numeric: tabular-nums; letter-spacing: .03em; white-space: nowrap; }
    .clip-picker-chevron { grid-column: 3; grid-row: 1 / 3; width: 7px; height: 7px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: translateY(-2px) rotate(45deg); }
    .clip-picker-trigger[aria-expanded="true"] .clip-picker-chevron { transform: translateY(2px) rotate(225deg); }
    .clip-picker-menu {
      max-height: 210px;
      position: absolute;
      left: 0;
      right: 0;
      top: calc(100% + 6px);
      bottom: auto;
      z-index: 50;
      overflow: auto;
      padding: 5px;
      border: 1px solid var(--ink);
      background: var(--panel);
      box-shadow: none;
    }
    .clip-picker-menu[hidden] { display: none; }
    .clip-picker-option {
      width: 100%;
      min-height: 34px;
      display: grid;
      grid-template-columns: 24px minmax(0, 1fr) 14px;
      align-items: center;
      gap: 8px;
      padding: 6px 8px;
      border: 0;
      background: transparent;
      color: var(--ink-soft);
      cursor: pointer;
      text-align: left;
    }
    .clip-picker-option:hover, .clip-picker-option:focus-visible { outline: 0; background: var(--accent-soft); color: var(--ink); }
    .clip-picker-option[aria-selected="true"] { background: var(--forest); color: var(--sage); box-shadow: inset 3px 0 0 var(--sage); }
    .clip-picker-index { color: currentColor; opacity: .62; font: 500 8px/1 var(--mono); }
    .clip-picker-name { overflow: hidden; font: 600 10px/1.2 var(--mono); text-overflow: ellipsis; text-transform: uppercase; white-space: nowrap; }
    .clip-picker-check { width: 7px; height: 7px; background: currentColor; opacity: 0; }
    .clip-picker-option[aria-selected="true"] .clip-picker-check { opacity: 1; }
    .player-timeline { --scrub-progress: 0%; display: block; position: relative; margin: 0 0 8px; }
    .player-time { display: none; }
    .player-scrubber {
      width: 100%;
      height: 18px;
      margin: 0;
      appearance: none;
      border: 0;
      outline: 0;
      background-color: transparent;
      background-image: linear-gradient(to right, var(--sage-dim) 0 var(--scrub-progress, 0%), var(--line) var(--scrub-progress, 0%) 100%);
      background-position: center;
      background-repeat: no-repeat;
      background-size: 100% 4px;
      cursor: ew-resize;
    }
    .player-scrubber::-webkit-slider-runnable-track { height: 4px; background: transparent; }
    .player-scrubber::-webkit-slider-thumb { width: 14px; height: 14px; margin-top: -5px; appearance: none; border: 3px solid var(--forest); border-radius: 0; background: var(--sage); box-shadow: inset 0 0 0 3px var(--forest); }
    .player-scrubber::-moz-range-track { height: 4px; background: var(--line); }
    .player-scrubber::-moz-range-progress { height: 4px; background: var(--sage-dim); }
    .player-scrubber::-moz-range-thumb { width: 12px; height: 12px; border: 3px solid var(--forest); border-radius: 0; background: var(--sage); box-shadow: inset 0 0 0 3px var(--forest); }
    .player-scrubber:focus-visible { outline: 1px solid var(--accent); outline-offset: 3px; }
    .player-loop-toggle { width: 58px; height: 36px; display: flex; align-items: center; justify-content: center; gap: 6px; padding: 0 7px; color: var(--ink); white-space: nowrap; }
    .player-loop-indicator { width: 7px; height: 7px; flex: none; background: var(--line); }
    .player-loop-copy { font: 700 8px/1 var(--mono); letter-spacing: .045em; text-transform: uppercase; }
    .player-loop-toggle[aria-pressed="true"] { border-color: var(--sage-dim); background: var(--panel); color: var(--forest); }
    .player-loop-toggle[aria-pressed="true"] .player-loop-indicator { background: var(--sage-dim); }
    .player-edit-toggle { min-width: 60px; height: 36px; padding: 0 8px; border: 1px solid var(--line); background: var(--panel); color: var(--ink); cursor: pointer; font: 700 8.5px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
    .player-edit-toggle:hover { border-color: var(--sage-dim); background: var(--sage); color: var(--forest); }
    .player-edit-toggle[aria-expanded="true"] { border-color: var(--sage-dim); background: var(--sage); color: var(--forest); }
    .player-edit-toggle[aria-expanded="true"]:hover { background: var(--sage-dim); color: var(--forest); }
    .clip-editor { min-height: 136px; display: grid; align-content: start; gap: 8px; padding: 12px 14px 14px; border-top: 1px solid var(--line-soft); background: var(--panel); }
    .clip-editor[hidden] { display: none; }
    .viewer-card:has(.clip-editor:not([hidden])) .viewer-footer { display: none; }
    .viewer-card:has(.clip-editor:not([hidden])) .viewer-stage { min-height: 145px; }
    .clip-editor-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
    .clip-editor-title { min-width: 0; display: flex; align-items: baseline; gap: 7px; }
    .clip-editor-title span { color: var(--ink-faint); font: 700 8px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; }
    .clip-editor-title b { overflow: hidden; font: 600 9px/1 var(--mono); text-overflow: ellipsis; text-transform: uppercase; white-space: nowrap; }
    .clip-editor-actions { display: flex; align-items: center; gap: 6px; }
    .clip-delete, .clip-reset { width: 28px; height: 28px; display: grid; place-items: center; padding: 0; cursor: pointer; }
    .clip-delete svg, .clip-reset svg { width: 13px; height: 13px; }
    .clip-reset { border: 1px solid var(--line); background: var(--panel); color: var(--ink-soft); }
    .clip-reset:hover { border-color: var(--accent); background: var(--panel-soft); color: var(--ink); }
    .clip-delete { border: 1px solid #b84a42; background: color-mix(in srgb, #b84a42 10%, var(--panel)); color: #a62f29; }
    .clip-delete:hover { background: #b84a42; color: #fff; }
    .clip-delete:disabled, .clip-reset:disabled { cursor: default; opacity: .35; }
    .clip-range-shell { display: grid; gap: 5px; padding: 8px 9px; border: 1px solid var(--line); background: var(--panel); transition: border-color .12s ease, background-color .12s ease; }
    .clip-range-shell.is-focused { border-color: var(--sage-dim); background: color-mix(in srgb, var(--sage) 7%, var(--panel)); }
    .clip-range-readout { min-height: 14px; display: flex; align-items: center; justify-content: flex-start; color: var(--ink); font: 700 9.5px/1.1 var(--mono); font-variant-numeric: tabular-nums; letter-spacing: .01em; }
    .clip-range-readout span { transition: color .14s ease, opacity .14s ease; }
    .clip-range-readout span:nth-child(2) { color: var(--ink); }
    .clip-range-readout span:first-child,
    .clip-range-readout span:last-child { display: none; }
    .clip-range-slider { height: 20px; position: relative; --range-start: 0%; --range-end: 100%; --tick-origin: 50%; }
    .clip-range-ticks { position: absolute; inset: 0 2px; z-index: 0; overflow: hidden; opacity: 0; pointer-events: none; transform: scale(.72, .58); transform-origin: var(--tick-origin) center; transition: opacity .14s ease, transform .28s cubic-bezier(.2,.75,.25,1); }
    .clip-range-slider.is-ticks-ready .clip-range-ticks { opacity: 1; transform: scale(1); }
    .clip-range-tick { width: 1px; height: 10px; position: absolute; top: 5px; background: color-mix(in srgb, var(--ink-faint) 34%, transparent); transform: translateX(-.5px); transform-origin: center; }
    .clip-range-tick.is-major { height: 14px; top: 3px; background: color-mix(in srgb, var(--ink-faint) 58%, transparent); }
    .clip-range-track { height: 4px; position: absolute; left: 2px; right: 2px; top: 8px; z-index: 1; background: color-mix(in srgb, var(--line) 86%, transparent); }
    .clip-range-track i { height: 100%; position: absolute; left: var(--range-start); right: calc(100% - var(--range-end)); background: var(--accent); }
    .clip-range-input { width: 100%; height: 20px; position: absolute; inset: 0; z-index: 2; margin: 0; appearance: none; background: transparent; pointer-events: none; touch-action: none; }
    .clip-range-input::-webkit-slider-runnable-track { height: 4px; background: transparent; }
    .clip-range-input::-webkit-slider-thumb { width: 10px; height: 20px; margin-top: -8px; appearance: none; border: 1px solid var(--accent); border-radius: 0; background: var(--panel); box-shadow: inset 3px 0 0 var(--accent); cursor: ew-resize; pointer-events: auto; }
    .clip-range-input::-moz-range-track { height: 4px; background: transparent; }
    .clip-range-input::-moz-range-thumb { width: 8px; height: 18px; border: 1px solid var(--accent); border-radius: 0; background: var(--panel); cursor: ew-resize; pointer-events: auto; }
    .clip-range-slider.is-focused .clip-range-input:not(.is-active-handle)::-webkit-slider-thumb { opacity: .32; pointer-events: none; }
    .clip-range-slider.is-focused .clip-range-input:not(.is-active-handle)::-moz-range-thumb { opacity: .32; pointer-events: none; }
    .clip-range-slider.is-focused .clip-range-input.is-active-handle::-webkit-slider-thumb { background: var(--accent); box-shadow: inset 3px 0 0 var(--panel); }
    .clip-range-slider.is-focused .clip-range-input.is-active-handle::-moz-range-thumb { background: var(--accent); }
    .clip-editor-settings { border: 1px solid var(--line); background: var(--panel); }
    .clip-editor-settings > summary { padding: 7px 9px; list-style: none; color: var(--ink-faint); cursor: pointer; font: 700 7.5px/1 var(--mono); letter-spacing: .09em; text-transform: uppercase; }
    .clip-editor-settings > summary::-webkit-details-marker { display: none; }
    .clip-editor-settings > summary::after { content: "+"; float: right; color: var(--ink); }
    .clip-editor-settings[open] > summary::after { content: "−"; }
    .clip-editor-fields { display: grid; grid-template-columns: minmax(0, 1fr) 70px 70px 62px; gap: 7px; padding: 0 9px 9px; }
    .clip-editor-field { min-width: 0; display: grid; gap: 4px; color: var(--ink-faint); font: 700 7px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
    .clip-editor-field input, .clip-editor-field select { width: 100%; height: 28px; padding: 0 7px; border: 1px solid var(--line); background: var(--panel-soft); color: var(--ink); font: 500 8px/1 var(--mono); }
    .clip-editor-field .ds-select-trigger { min-height: 28px; height: 28px; padding: 0 7px; font: 500 8px/1 var(--mono); }
    .clip-editor-field .ds-select-menu { min-width: 74px; }
    .clip-editor-list { min-width: 0; display: flex; flex-wrap: wrap; gap: 6px; padding-bottom: 1px; }
    .clip-draft, .clip-add { min-height: 30px; flex: 0 0 auto; padding: 0 10px; border: 1px solid var(--line); background: var(--panel); color: var(--ink-soft); cursor: pointer; font: 600 8px/1 var(--mono); text-transform: uppercase; }
    .clip-draft.is-active { border-color: var(--sage-dim); background: var(--accent-soft); color: var(--ink); }
    .clip-draft.is-applied::after { content: " ·"; color: var(--sage-dim); }
    .clip-add { min-width: 92px; flex: 1 0 92px; border-style: dashed; }
    .clip-add:hover { border-color: var(--accent); color: var(--ink); }
    .texture-card .section-head { position: relative; z-index: 12; }
    .texture-head-actions { display: flex; align-items: center; gap: 10px; }
    .texture-optimizer { position: relative; }
    .texture-optimizer > summary {
      min-height: 32px;
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 0 10px;
      list-style: none;
      border: 1px solid var(--line);
      border-radius: 0;
      background: var(--panel);
      color: var(--ink-soft);
      cursor: pointer;
      font: 650 9px/1 var(--mono);
      letter-spacing: .05em;
      text-transform: uppercase;
      user-select: none;
    }
    .texture-optimizer > summary::-webkit-details-marker { display: none; }
    .texture-optimizer > summary svg { width: 14px; height: 14px; flex: none; }
    .texture-optimizer[open] > summary { border-color: var(--sage-dim); background: var(--accent-soft); color: var(--ink); }
    .texture-optimizer-panel {
      width: min(380px, calc(100vw - 48px));
      max-height: calc(100vh - 96px);
      position: absolute;
      top: calc(100% + 8px);
      right: 0;
      z-index: 30;
      padding: 13px;
      border: 1px solid var(--line);
      border-radius: 0;
      background: var(--panel);
      box-shadow: none;
      overflow-y: auto;
      overscroll-behavior: contain;
      scrollbar-width: thin;
      scrollbar-color: var(--line) transparent;
      text-align: left;
    }
    .texture-control-grid { display: grid; grid-template-columns: minmax(74px, 1fr) minmax(86px, 1fr) auto; align-items: end; gap: 8px; }
    .texture-control { min-width: 0; display: grid; gap: 5px; }
    .texture-control > span { color: var(--ink-faint); font: 650 8px/1 var(--mono); letter-spacing: .07em; text-transform: uppercase; }
    .texture-control input[type="range"] {
      width: 100%;
    }
    .texture-control.is-disabled { opacity: .36; }
    .ds-select { min-width: 0; position: relative; }
    .ds-select-native { width: 1px; height: 1px; position: absolute; inset: auto auto 0 0; opacity: 0; pointer-events: none; }
    .ds-select-trigger {
      width: 100%;
      min-height: 34px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 8px;
      padding: 0 9px;
      border: 1px solid var(--line);
      border-radius: 0;
      background: var(--panel-soft);
      color: var(--ink);
      cursor: pointer;
      font: 600 10px/1 var(--mono);
      text-align: left;
    }
    .ds-select-trigger svg { width: 10px; height: 10px; flex: none; }
    .ds-select.is-open .ds-select-trigger { border-color: var(--forest); outline: 1px solid var(--forest); outline-offset: 1px; }
    .ds-select.is-open .ds-select-trigger svg { transform: rotate(180deg); }
    .ds-select-trigger:focus-visible { border-color: var(--forest); outline: 1px solid var(--forest); outline-offset: 1px; }
    .ds-select-trigger:disabled { cursor: not-allowed; color: var(--ink-faint); }
    .ds-select-menu {
      width: 100%;
      max-height: 180px;
      position: fixed;
      z-index: 1000;
      padding: 3px;
      overflow-y: auto;
      border: 1px solid var(--forest);
      background: var(--panel);
      box-shadow: none;
    }
    .ds-select-menu[hidden] { display: none; }
    .ds-select-option {
      width: 100%;
      min-height: 29px;
      display: grid;
      grid-template-columns: 12px minmax(0, 1fr);
      align-items: center;
      gap: 6px;
      padding: 0 7px;
      border: 0;
      background: transparent;
      color: var(--ink-soft);
      cursor: pointer;
      font: 600 9px/1 var(--mono);
      text-align: left;
    }
    .ds-select-option::before { content: ""; width: 5px; height: 5px; background: transparent; }
    .ds-select-option:hover,
    .ds-select-option:focus-visible { outline: 0; background: var(--accent-soft); color: var(--ink); }
    .ds-select-option[aria-selected="true"] { background: var(--forest); color: var(--sage); }
    .ds-select-option[aria-selected="true"]::before { background: currentColor; }
    .texture-keep-formats {
      min-height: 34px;
      display: flex;
      align-items: center;
      gap: 7px;
      padding: 0 9px;
      border: 1px solid var(--line);
      border-radius: 0;
      background: var(--panel);
      color: var(--ink);
      cursor: pointer;
      font: 600 9px/1.25 var(--mono);
      white-space: nowrap;
    }
    .texture-keep-formats:has(input:checked) { border-color: var(--sage-dim); background: var(--accent-soft); }
    .texture-keep-formats input { width: 15px; height: 15px; flex: none; position: relative; display: grid; place-items: center; margin: 0; appearance: none; border: 1px solid var(--line); border-radius: 0; background: var(--panel); cursor: pointer; }
    .texture-keep-formats input:checked { border-color: var(--forest); background: var(--forest); }
    .texture-keep-formats input:checked::after { content: ""; width: 4px; height: 8px; margin-top: -2px; border-right: 2px solid var(--sage); border-bottom: 2px solid var(--sage); transform: rotate(45deg); }
    .texture-keep-formats input:focus-visible { outline: 1px solid var(--forest); outline-offset: 2px; }
    .texture-keep-formats small { display: none; }
    .texture-format-settings { margin-top: 9px; border: 1px solid var(--line); border-radius: 0; background: var(--panel); }
    .texture-format-settings > summary { padding: 9px 10px; list-style: none; color: var(--ink-soft); cursor: pointer; font: 650 8.5px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; }
    .texture-format-settings > summary::-webkit-details-marker { display: none; }
    .texture-format-settings > summary::after { content: "+"; float: right; color: var(--accent); }
    .texture-format-settings[open] > summary::after { content: "−"; }
    .texture-format-settings[open] > summary { border-bottom: 1px solid var(--line-soft); background: var(--accent-soft); color: var(--ink); }
    .texture-format-pane { display: grid; gap: 10px; padding: 11px 10px 10px; }
    .texture-format-pane[hidden] { display: none; }
    .texture-range-row { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 8px; }
    .texture-range-row output { min-width: 35px; color: var(--ink); font: 650 9px/1 var(--mono); text-align: right; }
    .texture-control input[type="range"] { accent-color: var(--accent); }
    .texture-optimizer-actions { display: flex; align-items: center; gap: 9px; margin-top: 11px; padding-top: 11px; border-top: 1px solid var(--line-soft); }
    .texture-apply {
      min-height: 34px;
      flex: none;
      padding: 0 12px;
      border: 1px solid var(--line);
      border-radius: 0;
      background: var(--panel);
      color: var(--ink-soft);
      cursor: pointer;
      font: 650 9px/1 var(--mono);
      letter-spacing: .04em;
      text-transform: uppercase;
    }
    .texture-apply:hover,
    .texture-apply:focus-visible { border-color: var(--forest); background: var(--panel-soft); color: var(--ink); }
    .texture-apply:disabled { cursor: wait; opacity: .5; }
    .texture-apply.primary { border-color: var(--sage-dim); background: var(--sage); color: var(--forest); }
    .texture-apply.primary:hover,
    .texture-apply.primary:focus-visible { border-color: var(--forest); background: var(--forest); color: var(--sage); }
    .texture-apply.selected { order: -1; border-color: var(--sage-dim); background: var(--sage); color: var(--forest); }
    .texture-apply.selected:hover,
    .texture-apply.selected:focus-visible { border-color: var(--forest); background: var(--forest); color: var(--sage); }
    .texture-compression-status { min-width: 0; color: var(--ink-faint); font: 500 8px/1.4 var(--mono); letter-spacing: .02em; }
    .texture-compression-status:empty { display: none; }
    .texture-scroll { max-height: 620px; overflow: auto; padding: 18px; scrollbar-width: thin; scrollbar-color: var(--line) transparent; }
    .texture-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(165px, 1fr)); gap: 10px; }
    .texture-item { min-width: 0; position: relative; overflow: hidden; border: 1px solid var(--line-soft); border-radius: 12px; background: var(--panel-soft); cursor: pointer; }
    .texture-item:focus-visible { outline: 1px solid var(--forest); outline-offset: 2px; }
    .texture-item.selected { border-color: var(--accent); box-shadow: inset 4px 0 0 var(--accent); }
    .texture-item.just-compressed { border-color: var(--sage-dim); }
    .texture-item.just-compressed::after {
      content: "";
      position: absolute;
      inset: 0;
      z-index: 3;
      pointer-events: none;
      background: color-mix(in srgb, var(--sage) 72%, transparent);
      animation: texture-compressed-flash 1.45s ease-out both;
    }
    @keyframes texture-compressed-flash {
      0% { opacity: .86; }
      32% { opacity: .48; }
      100% { opacity: 0; }
    }
    .texture-check {
      width: 20px;
      height: 20px;
      position: absolute;
      top: 7px;
      right: 7px;
      z-index: 4;
      display: grid;
      place-items: center;
      padding: 0;
      border: 1px solid color-mix(in srgb, var(--line) 75%, transparent);
      border-radius: 0;
      background: color-mix(in srgb, var(--panel) 90%, transparent);
      color: transparent;
      cursor: pointer;
      font: 800 10px/1 var(--sans);
      backdrop-filter: blur(5px);
    }
    .texture-check:hover,
    .texture-check:focus-visible { border-color: var(--sage-dim); outline: 0; }
    .texture-item.selected .texture-check { border-color: var(--forest); background: var(--forest); color: var(--sage); }
    .texture-thumb {
      width: 100%;
      aspect-ratio: 1;
      position: relative;
      display: grid;
      place-items: center;
      overflow: hidden;
      background-color: #d8dbe0;
      background-image:
        linear-gradient(45deg, #c8ccd2 25%, transparent 25%),
        linear-gradient(-45deg, #c8ccd2 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #c8ccd2 75%),
        linear-gradient(-45deg, transparent 75%, #c8ccd2 75%);
      background-position: 0 0, 0 8px, 8px -8px, -8px 0;
      background-size: 16px 16px;
    }
    .texture-thumb img { width: 100%; height: 100%; display: block; object-fit: cover; }
    .texture-item.has-comparison { cursor: ew-resize; }
    .texture-item.has-comparison .texture-thumb::after {
      content: "";
      width: 1px;
      position: absolute;
      top: 0;
      bottom: 0;
      left: var(--thumb-compare-x, 50%);
      z-index: 3;
      background: #fff;
      box-shadow: 0 0 0 1px rgba(0, 0, 0, .38);
      opacity: 0;
      pointer-events: none;
      transition: opacity .12s ease;
    }
    .texture-item.has-comparison:hover .texture-thumb::after { opacity: 1; }
    .texture-format {
      position: absolute;
      top: 7px;
      left: 7px;
      padding: 3px 6px;
      border-radius: 5px;
      background: rgba(16, 19, 24, .72);
      color: #fff;
      font: 650 9px/1.2 var(--mono);
      text-transform: uppercase;
      backdrop-filter: blur(4px);
    }
    .texture-empty { color: #68717f; font: 700 11px/1.3 var(--mono); text-align: center; text-transform: uppercase; }
    .texture-info { padding: 9px 10px 10px; }
    .texture-name { overflow: hidden; color: var(--ink); font-size: 11.5px; font-weight: 600; text-overflow: ellipsis; white-space: nowrap; }
    .texture-meta { display: flex; align-items: center; justify-content: space-between; gap: 7px; margin-top: 4px; color: var(--ink-faint); font: 10px/1.3 var(--mono); }
    .texture-processed-meta { display: flex; align-items: center; justify-content: space-between; gap: 7px; margin-top: 5px; color: var(--ink-faint); font: 650 8.5px/1.25 var(--mono); text-transform: uppercase; }
    .texture-processed-meta > span:first-child { padding: 3px 5px; border: 1px solid var(--sage-dim); background: color-mix(in srgb, var(--sage) 18%, var(--panel)); color: #5d8c49; line-height: 1; }
    .texture-processed-actions { display: inline-flex; align-items: center; gap: 6px; }
    .texture-reset {
      min-height: 20px;
      padding: 0 5px;
      border: 1px solid var(--line);
      border-radius: 0;
      background: var(--panel);
      color: var(--ink-soft);
      cursor: pointer;
      font: 650 7.5px/1 var(--mono);
      letter-spacing: .05em;
      text-transform: uppercase;
    }
    .texture-reset:hover,
    .texture-reset:focus-visible { border-color: var(--forest); background: var(--accent-soft); color: var(--forest); outline: 0; }
    .texture-reset:disabled { cursor: wait; opacity: .55; }
    .texture-compare-popover {
      position: absolute;
      z-index: 20;
      inset: 0;
      display: flex;
      flex-direction: column;
      overflow: hidden;
      border: 0;
      border-radius: 0;
      background: var(--panel);
      box-shadow: none;
    }
    .texture-compare-popover[hidden] { display: none; }
    .texture-compare-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 14px 14px 12px; border-bottom: 1px solid var(--line); }
    .texture-compare-head b { min-width: 0; overflow: hidden; color: var(--ink); font-size: 11px; text-overflow: ellipsis; white-space: nowrap; }
    .texture-compare-head span { flex: none; color: var(--ink-faint); font: 650 8px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; }
    .texture-compare-close { width: 22px; height: 22px; flex: none; display: grid; place-items: center; padding: 0; border: 1px solid var(--line); border-radius: 0; background: var(--panel); color: var(--ink-soft); cursor: pointer; font: 600 13px/1 sans-serif; }
    .texture-compare-close:hover, .texture-compare-close:focus-visible { border-color: var(--forest); background: var(--accent-soft); color: var(--forest); outline: 0; }
    .texture-compare-stage {
      width: 100%;
      min-height: 0;
      flex: 1 1 auto;
      position: relative;
      overflow: hidden;
      background-color: #d8dbe0;
      background-image: linear-gradient(45deg, #c8ccd2 25%, transparent 25%), linear-gradient(-45deg, #c8ccd2 25%, transparent 25%), linear-gradient(45deg, transparent 75%, #c8ccd2 75%), linear-gradient(-45deg, transparent 75%, #c8ccd2 75%);
      background-position: 0 0, 0 12px, 12px -12px, -12px 0;
      background-size: 24px 24px;
      cursor: default;
    }
    .texture-compare-stage img { width: 100%; height: 100%; position: absolute; inset: 0; display: block; object-fit: contain; opacity: 1; pointer-events: none; transition: opacity .12s ease-in-out; }
    .texture-compare-stage .texture-compare-large-original { z-index: 2; clip-path: inset(0 calc(100% - var(--compare-x, 50%)) 0 0); }
    .texture-compare-large-divider { width: 1px; position: absolute; top: 0; bottom: 0; left: var(--compare-x, 50%); z-index: 4; background: #fff; box-shadow: 0 0 0 1px rgba(0,0,0,.38); opacity: 1; pointer-events: none; transition: opacity .1s ease-in-out; }
    .texture-compare-large-label { position: absolute; top: 9px; z-index: 5; padding: 4px 6px; background: rgba(16,19,24,.76); color: #fff; font: 650 8px/1 var(--mono); letter-spacing: .05em; text-transform: uppercase; opacity: 1; pointer-events: none; transition: opacity .1s ease-in-out; }
    .texture-compare-stage.is-switching img,
    .texture-compare-stage.is-switching .texture-compare-large-divider,
    .texture-compare-stage.is-switching .texture-compare-large-label { opacity: 0; }
    .texture-compare-large-label.original { left: 9px; }
    .texture-compare-large-label.compressed { right: 9px; }
    .texture-compare-foot { flex: none; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; padding: 9px 11px 10px; border-top: 1px solid var(--line); }
    .texture-compare-foot div:last-child { text-align: right; }
    .texture-compare-foot b { display: block; color: var(--ink); font: 650 8px/1 var(--mono); letter-spacing: .05em; text-transform: uppercase; }
    .texture-compare-foot span { display: block; margin-top: 4px; color: var(--ink-faint); font: 9px/1.3 var(--mono); }
    .empty-state { padding: 34px 18px 45px; color: var(--ink-faint); font-size: 12px; text-align: center; }

    .contents-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 14px; }
    .contents-card { min-width: 0; overflow: hidden; }
    .contents-card .section-head { margin: 0; padding: 18px 18px 14px; }
    .mesh-search-bar {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      align-items: center;
      gap: 8px;
      margin: 14px 18px;
    }
    .mesh-search-field { min-width: 0; position: relative; }
    .mesh-search-field::before { content: "⌕"; position: absolute; left: 10px; top: 50%; color: var(--ink-faint); font: 700 13px/1 var(--mono); transform: translateY(-52%); pointer-events: none; }
    .mesh-search-input {
      width: 100%;
      min-height: 34px;
      padding: 0 34px 0 29px;
      border: 1px solid var(--line);
      border-radius: 0;
      background: var(--panel);
      color: var(--ink);
      outline: none;
      font-size: 10.5px;
    }
    .mesh-search-input:focus { border-color: var(--forest); box-shadow: none; outline: 1px solid var(--forest); outline-offset: 1px; }
    .mesh-search-input::placeholder { color: var(--ink-faint); }
    .mesh-search-clear { width: 25px; height: 25px; position: absolute; top: 50%; right: 5px; display: grid; place-items: center; padding: 0; border: 0; border-radius: 0; background: transparent; color: var(--ink-faint); cursor: pointer; transform: translateY(-50%); }
    .mesh-search-clear:hover { background: var(--panel-soft); color: var(--ink); }
    .mesh-search-clear[hidden] { display: none; }
    .mesh-search-count { color: var(--ink-faint); font: 650 9px/1 var(--mono); white-space: nowrap; }
    .mesh-edit-bar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin: 0 18px 14px;
      padding: 10px 11px;
      border: 1px solid color-mix(in srgb, var(--accent) 28%, var(--line));
      border-radius: 11px;
      background: color-mix(in srgb, var(--accent-soft) 62%, var(--panel));
    }
    .mesh-edit-bar[hidden] { display: none; }
    .mesh-edit-copy { min-width: 0; }
    .mesh-edit-copy b { display: block; font-size: 11.5px; font-weight: 700; }
    .mesh-edit-copy span { display: block; margin-top: 2px; color: var(--ink-soft); font-size: 9.5px; }
    .mesh-edit-copy span[hidden] { display: none; }
    .mesh-edit-actions { display: flex; flex: none; flex-wrap: wrap; justify-content: flex-end; gap: 6px; }
    .edit-button {
      min-height: 30px;
      padding: 0 9px;
      border: 1px solid var(--line);
      border-radius: 7px;
      background: var(--panel);
      color: var(--ink-soft);
      cursor: pointer;
      font-size: 10px;
      font-weight: 650;
    }
    .edit-button:hover { border-color: var(--accent); color: var(--accent-strong); }
    .head-delete { flex: none; min-height: 26px; padding: 0 8px; border-radius: 0; font: 650 8.5px/1 var(--mono); letter-spacing: .05em; text-transform: uppercase; display: inline-flex; align-items: center; gap: 5px; }
    .head-delete[hidden] { display: none; }
    .head-delete span:empty { display: none; }
    .edit-button.primary { border-color: var(--accent); background: var(--accent); color: #fff; }
    .edit-button.keep-only { border-color: var(--amber); background: var(--amber); color: #fff; }
    .edit-button.keep-only:hover { border-color: #8e6118; background: #8e6118; color: #fff; }
    .edit-button.delete-action { border-color: #c7352f; background: #c7352f; color: #fff; }
    .edit-button.delete-action:hover,
    .edit-button.delete-action:focus-visible { border-color: #a92722; background: #a92722; color: #fff; }
    .edit-button:disabled { cursor: wait; opacity: .58; }
    .generation-state {
      flex: none;
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 5px 8px;
      border-radius: 7px;
      background: var(--panel-soft);
      color: var(--ink-faint);
      font: 10px/1.2 var(--mono);
    }
    .generation-state.busy::before {
      content: "";
      width: 7px;
      height: 7px;
      border: 1.5px solid var(--line);
      border-top-color: var(--accent);
      border-radius: 50%;
      animation: spin .75s linear infinite;
    }
    @keyframes spin { to { transform: rotate(360deg); } }
    .contents-scroll { max-height: 760px; overflow: auto; padding: 18px; scrollbar-width: thin; scrollbar-color: var(--line) transparent; }
    .contents-list { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 10px; }
    .asset-card { min-width: 0; overflow: hidden; border: 1px solid var(--line-soft); border-radius: 12px; background: var(--panel-soft); }
    .mesh-card { position: relative; cursor: pointer; }
    .mesh-card:hover { border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); }
    .mesh-card:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
    .mesh-card.selected { border-color: var(--accent); box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 16%, transparent); }
    .mesh-card.selected .asset-preview { background: radial-gradient(circle at 50% 46%, var(--accent-soft), var(--panel-soft) 68%); }
    .mesh-check {
      position: absolute;
      top: 7px;
      right: 7px;
      z-index: 3;
      width: 22px;
      height: 22px;
      display: grid;
      place-items: center;
      border: 1px solid color-mix(in srgb, var(--line) 75%, transparent);
      border-radius: 7px;
      background: color-mix(in srgb, var(--panel) 88%, transparent);
      color: transparent;
      font: 800 11px/1 var(--sans);
      backdrop-filter: blur(5px);
    }
    .mesh-card.selected .mesh-check { border-color: var(--accent); background: var(--accent); color: #fff; }
    .asset-preview {
      height: 154px;
      position: relative;
      display: grid;
      place-items: center;
      overflow: hidden;
      border-bottom: 1px solid var(--line-soft);
      background:
        radial-gradient(circle at 50% 46%, color-mix(in srgb, var(--accent-soft) 62%, var(--panel)) 0, var(--panel-soft) 64%);
    }
    .asset-preview img { width: 100%; height: 100%; display: block; object-fit: contain; }
    .asset-preview.pending::after {
      content: "";
      width: 34px;
      height: 34px;
      border: 2px solid var(--line);
      border-top-color: var(--accent);
      border-radius: 50%;
      animation: spin .85s linear infinite;
    }
    .asset-preview.failed::after { content: "No preview"; color: var(--ink-faint); font: 700 9px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
    .asset-index {
      position: absolute;
      top: 7px;
      left: 7px;
      z-index: 1;
      padding: 3px 6px;
      border: 1px solid color-mix(in srgb, var(--line) 60%, transparent);
      border-radius: 5px;
      background: color-mix(in srgb, var(--panel) 86%, transparent);
      color: var(--ink-soft);
      font: 650 9px/1.2 var(--mono);
      backdrop-filter: blur(5px);
    }
    .asset-render-mode {
      position: absolute;
      bottom: 7px;
      right: 7px;
      z-index: 1;
      padding: 3px 6px;
      border-radius: 5px;
      background: color-mix(in srgb, var(--accent-soft) 88%, transparent);
      color: var(--accent-strong);
      font: 650 8.5px/1.2 var(--mono);
      letter-spacing: .04em;
      text-transform: uppercase;
      backdrop-filter: blur(5px);
    }
    .asset-copy { padding: 10px; }
    .asset-name { overflow: hidden; color: var(--ink); font-size: 11.5px; font-weight: 650; text-overflow: ellipsis; white-space: nowrap; }
    .material-name-input {
      width: 100%;
      min-width: 0;
      margin: -3px -4px;
      padding: 3px 4px;
      border: 1px solid transparent;
      border-radius: 0;
      background: transparent;
      color: var(--ink);
      font: 650 11.5px/1.3 var(--sans);
      text-overflow: ellipsis;
    }
    .material-name-input:hover { border-color: var(--line); background: var(--panel); }
    .material-name-input:focus { border-color: var(--forest); background: var(--panel); outline: 0; }
    .asset-meta { margin-top: 4px; color: var(--ink-faint); font: 9.5px/1.45 var(--mono); }
    .asset-size { display: flex; align-items: baseline; flex-wrap: wrap; gap: 4px; margin-top: 5px; color: var(--ink-faint); font: 650 8.5px/1.3 var(--mono); letter-spacing: .025em; text-transform: uppercase; }
    .asset-size b { color: var(--accent-strong); font-weight: 700; }
    .asset-size small { color: var(--ink-faint); font: inherit; text-transform: none; }
    .asset-detail { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 7px; }
    .asset-chip { padding: 3px 5px; border-radius: 5px; background: var(--panel); color: var(--ink-soft); font: 9px/1.2 var(--mono); }
    .color-chip { display: inline-flex; align-items: center; gap: 5px; }
    .color-chip i { width: 8px; height: 8px; border: 1px solid color-mix(in srgb, var(--ink) 16%, transparent); border-radius: 50%; }

    /* ---- View toggle (Gallery / List) ---- */
    .view-toggle { flex: none; display: inline-flex; align-items: center; gap: 1px; padding: 1px; border: 1px solid var(--line); border-radius: 7px; background: var(--line); }
    .view-toggle-btn {
      width: 26px; height: 22px; display: grid; place-items: center; padding: 0;
      border: 0; border-radius: 6px; background: var(--panel); color: var(--ink-faint);
      cursor: pointer; transition: background-color .12s ease, color .12s ease;
    }
    .view-toggle-btn svg { width: 13px; height: 13px; display: block; }
    .view-toggle-btn:hover { color: var(--ink-soft); }
    .view-toggle-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
    .view-toggle-btn.is-active { background: var(--ink); color: var(--panel); }
    .section-head-actions { flex: none; display: inline-flex; align-items: center; gap: 10px; }

    /* ---- Texture replace button ---- */
    .texture-replace {
      width: 20px; height: 20px; position: absolute; top: 7px; right: 31px; z-index: 4;
      display: grid; place-items: center; padding: 0;
      border: 1px solid color-mix(in srgb, var(--line) 75%, transparent); border-radius: 0;
      background: color-mix(in srgb, var(--panel) 90%, transparent); color: var(--ink-soft);
      cursor: pointer; backdrop-filter: blur(5px);
    }
    .texture-replace svg { width: 11px; height: 11px; display: block; }
    .texture-replace:hover,
    .texture-replace:focus-visible { border-color: var(--forest); color: var(--ink); outline: 0; }

    /* ---- List / outliner view: textures ---- */
    .texture-grid.view-list { display: flex; flex-direction: column; gap: 5px; }
    .texture-grid.view-list .texture-item { display: flex; align-items: center; gap: 11px; padding: 5px 60px 5px 5px; border-radius: 8px; overflow: visible; }
    .texture-grid.view-list .texture-thumb { flex: none; width: 42px; height: 42px; aspect-ratio: auto; border-radius: 6px; }
    .texture-grid.view-list .texture-format { display: none; }
    .texture-grid.view-list .texture-info { flex: 1 1 auto; display: flex; align-items: baseline; gap: 12px; padding: 0; min-width: 0; }
    .texture-grid.view-list .texture-name { flex: 0 1 auto; min-width: 0; }
    .texture-grid.view-list .texture-meta { flex: 1 1 auto; margin-top: 0; justify-content: flex-start; gap: 10px; }
    .texture-grid.view-list .texture-processed-meta { flex: none; margin-top: 0; }
    .texture-grid.view-list .texture-replace { right: 33px; }
    .texture-grid.view-list .texture-item.selected { box-shadow: inset 4px 0 0 var(--accent); }

    /* ---- List / outliner view: meshes & materials ---- */
    .contents-list.view-list { display: flex; flex-direction: column; gap: 5px; grid-template-columns: none; }
    .contents-list.view-list .asset-card { display: flex; align-items: center; gap: 12px; padding-right: 38px; border-radius: 8px; }
    .contents-list.view-list .asset-preview { flex: none; width: 46px; height: 46px; border-bottom: 0; border-right: 1px solid var(--line-soft); }
    .contents-list.view-list .asset-preview.pending::after { width: 22px; height: 22px; }
    .contents-list.view-list .asset-index,
    .contents-list.view-list .asset-render-mode { display: none; }
    .contents-list.view-list .asset-copy { flex: 1 1 auto; display: flex; align-items: center; gap: 12px; padding: 4px 0; min-width: 0; }
    .contents-list.view-list .asset-name { flex: 0 1 auto; min-width: 0; }
    .contents-list.view-list .material-name-input { flex: 0 1 auto; width: auto; min-width: 0; max-width: 40%; }
    .contents-list.view-list .asset-meta { flex: 1 1 auto; margin-top: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
    .contents-list.view-list .asset-size { margin-top: 0; flex: none; }
    .contents-list.view-list .asset-detail { display: none; }
    .contents-list.view-list .mesh-check,
    .contents-list.view-list .material-check { top: 50%; transform: translateY(-50%); }

    .foot { margin: 26px 0 0; color: var(--ink-faint); font-size: 10.5px; text-align: center; }

    .size-toast {
      width: min(350px, calc(100vw - 28px)); position: fixed; right: 18px; bottom: 18px; z-index: 50;
      display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; padding: 1px;
      border: 1px solid var(--line); border-radius: 0; background: var(--line); box-shadow: 0 12px 30px rgba(15, 24, 29, .12);
      transform-origin: 100% 100%; animation: none;
    }
    .size-toast[hidden] { display: none; }
    .size-toast-stat { min-width: 0; display: grid; gap: 5px; padding: 10px 11px; background: var(--panel); }
    .size-toast-stat span { color: var(--ink-faint); font: 700 7px/1 var(--mono); letter-spacing: .09em; text-transform: uppercase; }
    .size-toast-stat b { overflow: hidden; color: var(--ink); font: 700 12px/1.1 var(--mono); font-variant-numeric: tabular-nums; letter-spacing: -.03em; text-overflow: ellipsis; white-space: nowrap; }
    .size-toast-stat.is-positive { background: var(--sage); }
    .size-toast-stat.is-positive b { color: var(--forest); }
    .size-toast-stat.is-negative { background: color-mix(in srgb, var(--amber) 14%, var(--panel)); }
    .size-toast-stat.is-negative b { color: #79520d; }

    /* QWEE V2 — Field Notes skin */
    body {
      background-color: var(--bg);
      background-image: radial-gradient(circle at 1px 1px, color-mix(in srgb, var(--ink) 13%, transparent) 1px, transparent 1.2px);
      background-size: 30px 30px;
    }
    :root[data-theme="dark"] body { background-image: none; }
    .app-shell { padding-top: 0; }
    .masthead {
      min-height: 58px;
      position: sticky;
      top: 0;
      z-index: 20;
      margin-bottom: 24px;
      padding: 9px 0;
      border-bottom: 1px solid var(--line);
      background: color-mix(in srgb, var(--bg) 94%, transparent);
      backdrop-filter: blur(14px);
    }
    .masthead-file-summary {
      display: none;
      align-items: center;
      justify-content: flex-end;
      gap: 8px;
      min-width: 0;
      color: var(--ink-soft);
      font: 600 9px/1 var(--mono);
      letter-spacing: .055em;
      text-transform: uppercase;
      white-space: nowrap;
    }
    .masthead-size-visible .masthead-file-summary:not([hidden]) { display: flex; }
    .masthead-file-current {
      color: var(--forest);
      font-weight: 750;
    }
    .masthead-file-original {
      color: var(--ink-faint);
      text-decoration: line-through;
      text-decoration-color: color-mix(in srgb, var(--ink-faint) 56%, transparent);
    }
    .masthead-file-change {
      padding: 4px 6px;
      border: 1px solid var(--sage-dim);
      background: var(--sage);
      color: var(--forest);
      font-weight: 750;
    }
    .masthead-file-change.grew {
      border-color: var(--amber);
      background: color-mix(in srgb, var(--amber) 14%, var(--panel));
      color: #79520d;
    }
    .brand { gap: 10px; }
    .brand-mark {
      width: 28px;
      height: 32px;
      display: block;
      border: 0;
      background: transparent;
      box-shadow: none;
      object-fit: contain;
    }
    .title { font-size: 17px; font-weight: 650; letter-spacing: -.01em; }
    .subtitle { margin-top: 2px; color: var(--ink-faint); font: 500 8.5px/1.3 var(--mono); letter-spacing: .13em; text-transform: uppercase; }
    .drop,
    .drop-icon,
    .drop-overlay-panel,
    .drop-overlay-icon,
    .err,
    .filebar,
    .file-glyph,
    .again,
    .metric,
    .viewer-status,
    .player-button,
    .player-select,
    .texture-item,
    .texture-format,
    .mesh-edit-bar,
    .edit-button,
    .generation-state,
    .asset-card,
    .mesh-check,
    .asset-index,
    .asset-render-mode,
    .asset-chip,
    .size-toast,
    .toast-button { border-radius: 0; }
    .drop {
      position: relative;
      border-width: 1px;
      border-color: var(--line);
      background: var(--panel);
      box-shadow: none;
    }
    .drop::before {
      content: "DROP_ZONE // GLB_BINARY";
      position: absolute;
      top: 0;
      left: 0;
      padding: 7px 10px;
      background: var(--group-fill);
      color: var(--group-ink);
      font: 500 8px/1 var(--mono);
      letter-spacing: .13em;
    }
    .drop:hover, .drop.over { border-color: var(--accent); background: var(--accent-soft); transform: none; }
    .drop-icon, .drop-overlay-icon { background: var(--forest); color: var(--sage); }
    .drop h2, .drop-overlay h2 { font-weight: 600; letter-spacing: -.01em; }
    .drop-overlay { background: color-mix(in srgb, var(--forest-950) 82%, transparent); }
    .drop-overlay-panel { border-width: 1px; background: var(--panel); box-shadow: none; }
    body:not(.has-results) .app-shell { min-height: 100svh; display: flex; flex-direction: column; }
    body:not(.has-results) .drop { width: min(840px, 100%); min-height: 300px; align-self: center; margin-block: auto; }
    body:not(.has-results) .foot { margin-top: 0; }

    .filebar { border-color: var(--line); background: var(--panel); color: var(--ink); }
    .file-glyph { background: var(--forest); color: var(--sage); }
    .file-meta { color: var(--ink-faint); font-family: var(--mono); }
    .filebar .again,
    .viewer-file-head .again { border-color: var(--line); background: transparent; color: var(--ink); font-family: var(--mono); font-size: 9px; letter-spacing: .06em; text-transform: uppercase; }
    .filebar .download-current,
    .viewer-file-head .download-current { border-color: var(--line); background: var(--panel-soft); color: var(--ink-soft); }
    .viewer-file-head .download-current:hover,
    .viewer-file-head .download-current:focus-visible { border-color: var(--sage-dim); background: var(--sage); color: var(--forest); outline: 0; }

    .viewer-card > .section-head.viewer-file-head { padding: 0; }
    .viewer-card > .section-head.viewer-file-head .eyebrow { color: var(--ink-faint); }
    .viewer-file-head .file-name { font-size: 15px; line-height: 1.15; }
    .viewer-file-head .viewer-file-actions .viewer-file-add { border-color: var(--ink); background: var(--panel); color: var(--ink); }
    .viewer-file-head .viewer-file-actions .download-current { border-color: var(--forest); background: var(--forest); color: var(--sage); }
    .viewer-file-head .viewer-file-actions .viewer-file-add:hover,
    .viewer-file-head .viewer-file-actions .viewer-file-add:focus-visible,
    .viewer-file-head .viewer-file-actions .download-current:hover,
    .viewer-file-head .viewer-file-actions .download-current:focus-visible { border-color: var(--sage-dim); background: var(--sage); color: var(--forest); outline: 0; }

    .card { box-shadow: none; }
    .card > .section-head {
      background: var(--panel);
      color: var(--ink);
      border-bottom: 1px solid var(--line);
    }
    .card-pad > .section-head { margin: -20px -20px 18px; padding: 14px 18px; }
    .viewer-card > .section-head,
    .texture-card > .section-head,
    .contents-card > .section-head { margin: 0; padding: 14px 16px; }
    .card > .section-head .section-title,
    .card > .section-head .head-stat b { color: inherit; }
    .card > .section-head .eyebrow,
    .card > .section-head .section-note,
    .card > .section-head .head-stat span { color: var(--ink-faint); }
    .eyebrow,
    .head-stat span,
    .metric-label { font-family: var(--mono); letter-spacing: .13em; }
    .section-title { font-weight: 600; letter-spacing: -.01em; }

    .metric,
    .metric:first-child { border-color: var(--line); background: var(--panel); }
    .metric.changed { border-color: var(--sage-dim); background: var(--accent-soft); }
    .storage-metrics { border-top-color: var(--line); }

    :root[data-theme="light"] .viewer-stage {
      background-color: #151a13;
    }
    .viewer-status { font-family: var(--mono); letter-spacing: .05em; text-transform: uppercase; }
    .player-button,
    .player-select,
    .edit-button,
    .toast-button { font-family: var(--mono); letter-spacing: .04em; text-transform: uppercase; }
    .player-button.primary,
    .edit-button.primary { border-color: var(--forest); background: var(--forest); color: var(--sage); }
    .player-button.primary:hover { border-color: var(--sage); background: var(--sage); color: var(--forest); }
    .mesh-edit-bar { border-color: var(--sage-dim); background: var(--accent-soft); }
    .edit-button.keep-only { border-color: var(--amber); background: var(--amber); color: #fff; }
    .edit-button.keep-only:hover { border-color: var(--forest); background: var(--forest); color: var(--sage); }
    .edit-button.delete-action { border-color: #c7352f; background: #c7352f; color: #fff; }
    .edit-button.delete-action:hover,
    .edit-button.delete-action:focus-visible { border-color: #a92722; background: #a92722; color: #fff; }

    .texture-item,
    .asset-card { border-color: var(--line); background: var(--panel); }
    .swatch,
    .legend-track,
    .legend-track i { border-radius: 0; }
    .asset-preview,
    .mesh-card.selected .asset-preview { background: var(--panel-soft); }
    .asset-chip { border: 1px solid var(--line); background: var(--panel); color: var(--ink-soft); text-transform: uppercase; }
    .color-chip i { border-radius: 0; }
    .mesh-card:hover { transform: none; }
    .mesh-card.selected { border-color: var(--accent); box-shadow: inset 4px 0 0 var(--accent); }
    .mesh-card.selected .mesh-check { background: var(--forest); color: var(--sage); }

    .size-toast { border-color: var(--line); background: var(--line); color: var(--ink); box-shadow: 0 12px 30px rgba(15, 24, 29, .12); }
    .foot { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 6px; padding-top: 12px; border-top: 1px solid var(--line); font: 500 8px/1.5 var(--mono); letter-spacing: .08em; text-transform: none; }
    .foot a { margin-left: .35em; color: var(--forest); font-weight: 700; letter-spacing: .03em; text-decoration: none; }
    .foot a:hover,
    .foot a:focus-visible { color: var(--forest); text-decoration: underline; text-underline-offset: 3px; }
    .footer-heart { width: 10px; height: 8px; flex: none; fill: #b8433d; shape-rendering: crispEdges; }

    /* Unified scene workspace */
    .asset-workspace {
      position: relative;
      z-index: 10;
      overflow: visible;
    }
    .asset-workspace-head {
      min-height: 72px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      padding: 14px 16px;
      border-bottom: 1px solid var(--line);
      background: var(--panel);
    }
    .asset-workspace-head .section-note { max-width: 610px; }
    .asset-workspace-counts {
      display: flex;
      align-items: center;
      gap: 1px;
      flex: none;
      border: 1px solid var(--line);
      background: var(--line);
    }
    .asset-workspace-counts span {
      min-width: 74px;
      display: grid;
      gap: 3px;
      padding: 8px 10px;
      background: var(--panel-soft);
      color: var(--ink-faint);
      font: 700 7px/1 var(--mono);
      letter-spacing: .08em;
      text-align: center;
      text-transform: uppercase;
    }
    .asset-workspace-counts b { color: var(--ink); font-size: 12px; letter-spacing: 0; }
    .asset-workspace-body {
      height: min(760px, calc(100svh - 110px));
      min-height: 620px;
      display: grid;
      grid-template-columns: minmax(0, 1.55fr) minmax(330px, .75fr);
      align-items: stretch;
    }
    .asset-workspace .contents-grid {
      min-width: 0;
      min-height: 0;
      height: 100%;
      grid-column: 1;
      grid-row: 1;
      overflow: hidden;
      border-right: 1px solid var(--line);
    }
    .asset-workspace .media-grid {
      min-width: 0;
      min-height: 0;
      height: 100%;
      grid-column: 2;
      grid-row: 1;
      display: flex;
      flex-direction: column;
      gap: 0;
      overflow: visible;
      background: var(--panel-soft);
    }
    .asset-workspace .contents-card,
    .asset-workspace .texture-card,
    .asset-workspace .material-card {
      min-width: 0;
      border: 0;
      border-radius: 0;
      background: var(--panel);
      box-shadow: none;
    }
    .asset-workspace .contents-card {
      height: 100%;
      min-height: 0;
      display: flex;
      flex-direction: column;
      overflow: hidden;
    }
    .asset-workspace .contents-card > .section-head,
    .asset-workspace .texture-card > .section-head,
    .asset-workspace .material-card > .section-head {
      min-height: 76px;
      margin: 0;
      padding: 14px 16px;
    }
    .asset-workspace .contents-scroll {
      max-height: none;
      min-height: 0;
      flex: 1 1 auto;
      padding: 8px 10px 12px;
    }
    .asset-inspector-tabs {
      height: 39px;
      flex: none;
      display: grid;
      grid-template-columns: 1fr 1fr;
      border-bottom: 1px solid var(--line);
      background: var(--panel-soft);
    }
    .asset-inspector-tab {
      position: relative;
      border: 0;
      border-right: 1px solid var(--line);
      background: transparent;
      color: var(--ink-faint);
      cursor: pointer;
      font: 700 8px/1 var(--mono);
      letter-spacing: .1em;
      text-transform: uppercase;
    }
    .asset-inspector-tab:last-child { border-right: 0; }
    .asset-inspector-tab.is-active { background: var(--panel); color: var(--ink); }
    .asset-inspector-tab.is-active::after {
      content: "";
      height: 2px;
      position: absolute;
      left: 12px;
      right: 12px;
      bottom: -1px;
      background: var(--forest);
    }
    .asset-inspector-tab:focus-visible { z-index: 1; outline: 1px solid var(--forest); outline-offset: -3px; }
    .asset-workspace .material-card,
    .asset-workspace .texture-card {
      min-height: 0;
      flex: 1 1 auto;
      display: flex;
      flex-direction: column;
      overflow: hidden;
    }
    .asset-workspace .texture-card { overflow: visible; }
    .asset-workspace .material-card[hidden],
    .asset-workspace .texture-card[hidden] { display: none; }
    .asset-workspace .material-card .contents-scroll,
    .asset-workspace .texture-scroll {
      max-height: none;
      min-height: 0;
      flex: 1 1 auto;
      overflow: auto;
      padding: 10px;
    }
    .asset-workspace .material-card .contents-list { grid-template-columns: 1fr; }
    .asset-workspace .material-card .asset-preview { height: 96px; }
    .asset-workspace .texture-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .asset-workspace .texture-head-actions { flex-wrap: wrap; justify-content: flex-end; }

    .asset-workspace .media-grid {
      display: grid;
      grid-template-columns: minmax(0, 1fr);
      grid-template-rows: minmax(0, 3fr) minmax(0, 7fr);
      align-items: stretch;
    }
    .asset-workspace .material-card {
      order: 1;
      border-bottom: 1px solid var(--line);
    }
    .asset-workspace .texture-card {
      order: 2;
      position: relative;
    }
    .asset-workspace .material-card > .section-head {
      min-height: 58px;
      padding: 9px 11px;
    }
    .asset-workspace .material-card .section-title { font-size: 13px; }
    .asset-workspace .material-card .eyebrow { margin-bottom: 2px; font-size: 7px; }
    .asset-workspace .material-card .section-note { margin-top: 2px; font: 7px/1.2 var(--mono); }
    .asset-workspace .material-card .generation-state { padding: 4px 6px; font-size: 7px; }
    .asset-workspace .material-card .contents-scroll { padding: 5px 6px 7px; }
    .asset-workspace .material-card .contents-list.view-list { gap: 2px; }
    .asset-workspace .material-card .contents-list.view-list .asset-card {
      min-height: 36px;
      gap: 7px;
      padding: 2px 27px 2px 2px;
      border-color: transparent;
      border-radius: 3px;
    }
    .asset-workspace .material-card .contents-list.view-list .asset-preview {
      width: 32px;
      height: 32px;
      border: 1px solid var(--line-soft);
    }
    .asset-workspace .material-card .contents-list.view-list .asset-copy {
      gap: 7px;
      padding: 0;
    }
    .asset-workspace .material-card .contents-list.view-list .material-name-input {
      max-width: 62%;
      padding: 0;
      border: 0;
      background: transparent;
      font-size: 10px;
    }
    .asset-workspace .material-card .contents-list.view-list .asset-meta {
      font-size: 7px;
      text-align: right;
    }
    .asset-workspace .material-card .contents-list.view-list .material-check {
      right: 5px;
      width: 16px;
      height: 16px;
      font-size: 7px;
    }
    .asset-workspace .material-card .asset-card.context-linked,
    .asset-workspace .texture-item.context-linked {
      border-color: var(--sage-dim);
      background: var(--accent-soft);
      box-shadow: inset 3px 0 0 var(--sage-dim);
    }
    .asset-workspace .material-card .asset-card.context-linked .material-name-input,
    .asset-workspace .texture-item.context-linked .texture-name { color: var(--forest); font-weight: 700; }
    .asset-workspace .texture-grid.has-context::before {
      content: "Linked to selection";
      grid-column: 1 / -1;
      padding: 2px 1px 4px;
      color: var(--forest);
      font: 700 7px/1 var(--mono);
      letter-spacing: .09em;
      text-transform: uppercase;
    }
    .outliner-material-slot.is-context {
      background: var(--accent-soft);
      box-shadow: inset 2px 0 0 var(--sage-dim);
      color: var(--ink);
    }

    .outliner-list {
      display: flex;
      flex-direction: column;
      gap: 2px;
    }
    .outliner-item {
      min-width: 0;
      border: 1px solid transparent;
      background: var(--panel);
    }
    .outliner-item:hover { border-color: var(--line); }
    .outliner-item.selected { border-color: var(--sage-dim); background: var(--accent-soft); }
    .outliner-mesh-row {
      min-height: 54px;
      display: grid;
      grid-template-columns: 22px 46px minmax(0, 1fr) auto 90px 22px;
      align-items: center;
      gap: 9px;
      padding: 4px 8px 4px 4px;
      cursor: pointer;
    }
    .outliner-mesh-row:focus-visible { outline: 1px solid var(--forest); outline-offset: -2px; }
    .outliner-disclosure {
      width: 22px;
      height: 22px;
      display: grid;
      place-items: center;
      border: 0;
      background: transparent;
      color: var(--ink-faint);
      cursor: pointer;
    }
    .outliner-disclosure span {
      width: 7px;
      height: 7px;
      border-right: 1.5px solid currentColor;
      border-bottom: 1.5px solid currentColor;
      transform: rotate(-45deg);
      transition: transform .14s ease;
    }
    .outliner-item.is-expanded .outliner-disclosure span { transform: rotate(45deg) translate(-1px, -1px); }
    .outliner-disclosure:disabled { opacity: .25; cursor: default; }
    .outliner-mesh-row .asset-preview {
      width: 46px;
      height: 46px;
      border: 1px solid var(--line);
      background: var(--panel-soft);
    }
    .outliner-mesh-row .asset-preview.pending::after { width: 18px; height: 18px; border-width: 1px; }
    .outliner-mesh-row .asset-index { top: 2px; left: 2px; padding: 2px 3px; border: 0; font-size: 6px; }
    .outliner-mesh-row .asset-copy { min-width: 0; padding: 0; }
    .outliner-mesh-row .asset-name { font-size: 12px; }
    .outliner-mesh-row .asset-meta { margin-top: 3px; font-size: 8px; white-space: nowrap; }
    .outliner-mesh-flags { display: flex; align-items: center; justify-content: flex-end; gap: 4px; }
    .outliner-mesh-flags .asset-chip { padding: 3px 4px; font-size: 6px; }
    .outliner-mesh-row .asset-size { min-width: 0; margin: 0; text-align: right; }
    .outliner-mesh-row .asset-size span { display: none; }
    .outliner-mesh-row .asset-size b { font-size: 9px; white-space: nowrap; }
    .outliner-mesh-row .mesh-check {
      width: 18px;
      height: 18px;
      position: static;
      border-radius: 0;
      font-size: 8px;
      backdrop-filter: none;
    }
    .outliner-item.selected .mesh-check { border-color: var(--forest); background: var(--forest); color: var(--sage); }
    .outliner-material-slots {
      margin-left: 35px;
      padding: 0 8px 5px 0;
    }
    .outliner-material-slot {
      width: 100%;
      min-height: 30px;
      display: grid;
      grid-template-columns: 18px 14px 20px minmax(0, 1fr) auto;
      align-items: center;
      gap: 7px;
      border: 0;
      border-top: 1px solid var(--line-soft);
      background: transparent;
      color: var(--ink-soft);
      cursor: pointer;
      text-align: left;
    }
    .outliner-material-slot:hover,
    .outliner-material-slot.is-active { background: var(--panel-soft); color: var(--ink); }
    .outliner-material-slot.is-active { box-shadow: inset 2px 0 0 var(--forest); }
    .outliner-branch {
      width: 14px;
      height: 15px;
      justify-self: end;
      border-left: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
    }
    .outliner-material-swatch { width: 12px; height: 12px; border: 1px solid var(--line); }
    .outliner-slot-index,
    .outliner-material-slot small { color: var(--ink-faint); font: 700 7px/1 var(--mono); }
    .outliner-material-slot b { overflow: hidden; font-size: 10px; font-weight: 600; text-overflow: ellipsis; white-space: nowrap; }
    .outliner-empty-slot { padding: 7px 12px 7px 39px; color: var(--ink-faint); font: 8px/1.3 var(--mono); }

    .component-loading {
      position: relative;
      overflow: hidden;
      background: transparent !important;
      isolation: isolate;
    }
    .component-loading > :not(.component-reveal) {
      opacity: 0;
      clip-path: inset(0 0 100% 0);
      pointer-events: none;
    }
    .component-reveal {
      position: absolute;
      inset: 0;
      z-index: 15;
      overflow: hidden;
      pointer-events: none;
    }
    .component-reveal-pixel {
      width: var(--pixel-size);
      height: var(--pixel-size);
      position: absolute;
      left: var(--pixel-x);
      top: var(--pixel-y);
      background: var(--forest);
      opacity: 0;
      transform: scale(0);
      transform-origin: center;
    }
    .component-reveal-pixel.tone-sage { background: var(--sage-dim); }
    .component-reveal-pixel.tone-faint { background: var(--ink-faint); }

    @media (prefers-color-scheme: dark) {
      :root:not([data-theme="light"]) body { background-image: none; }
    }

    @media (max-width: 980px) {
      .metric-grid { grid-template-columns: repeat(3, 1fr); }
      .analytics-grid { height: auto; min-height: 0; grid-template-columns: 1fr; }
      .analytics-grid > .card { height: auto; }
      .media-grid, .contents-grid { grid-template-columns: 1fr; }
      .viewer-stage { height: 420px; min-height: 0; flex: none; }
      .texture-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
      .texture-scroll { max-height: none; }
      .contents-list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
      .contents-scroll { max-height: 650px; }
      .asset-workspace-body { grid-template-columns: minmax(0, 1.25fr) minmax(300px, .75fr); }
    }
    @media (max-width: 680px) {
      .app-shell { width: min(100% - 24px, 1240px); padding-top: 18px; }
      .masthead { align-items: flex-start; }
      .masthead-file-summary { font-size: 7.5px; gap: 5px; }
      .masthead-file-original { display: none; }
      .drop { min-height: 220px; padding: 28px 18px; }
      .file-actions { flex-direction: column; }
      .file-actions .again { min-height: 30px; }
      .metric-grid { grid-template-columns: repeat(2, 1fr); }
      .composition-body { grid-template-columns: 1fr; }
      .storage-donut { width: min(230px, 100%); }
      .legend-row { grid-template-columns: minmax(100px, 1fr) 74px 42px; }
      .smart-compress { width: 100%; }
      .smart-compress-trigger { width: 100%; }
      .smart-compress-menu { left: 0; right: auto; width: min(100%, 320px); }
      .texture-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .contents-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .mesh-edit-bar { align-items: stretch; flex-direction: column; }
      .mesh-edit-actions { width: 100%; }
      .mesh-edit-actions .edit-button.keep-only,
      .mesh-edit-actions .edit-button.delete-action { flex: 1; }
      .section-head { flex-direction: column; }
      .head-stat { text-align: left; }
      .viewer-file-row { min-height: 72px; gap: 10px; padding: 12px; }
      .viewer-file-actions { grid-template-columns: repeat(2, 70px); gap: 6px; }
      .viewer-file-actions .again,
      .viewer-file-actions .download-current { width: 70px; height: 40px; min-height: 40px; padding: 5px 6px; font-size: 7px; }
      .texture-head-actions { width: 100%; justify-content: space-between; }
      .texture-optimizer-panel { right: 0; }
      .texture-control-grid { grid-template-columns: minmax(74px, 1fr) minmax(86px, 1fr) auto; }
      .lighting-strip { grid-template-columns: 1fr; gap: 8px; }
      .lighting-presets { grid-template-columns: repeat(5, minmax(0, 1fr)); }
      .size-toast { left: 12px; right: 12px; bottom: 12px; width: auto; }
      .player-top { grid-template-columns: 34px minmax(0, 1fr) 52px 54px; gap: 6px; }
      #animationPlayToggle, .clip-picker-trigger, .player-loop-toggle, .player-edit-toggle { height: 34px; }
      #animationPlayToggle { width: 34px; }
      .clip-picker-trigger { padding: 5px 7px; }
      .clip-picker-value { font-size: 11px; }
      .clip-picker-duration { font-size: 7.5px; }
      .player-loop-toggle { width: 52px; gap: 5px; padding-inline: 5px; }
      .player-loop-copy { font-size: 7px; }
      .player-edit-toggle { min-width: 54px; font-size: 7.5px; }
      .asset-workspace-head { align-items: flex-start; flex-direction: column; }
      .asset-workspace-counts { width: 100%; }
      .asset-workspace-counts span { min-width: 0; flex: 1; }
      .asset-workspace-body { display: flex; flex-direction: column; }
      .asset-workspace-body { height: auto; min-height: 0; }
      .asset-workspace .contents-grid { order: 1; border-right: 0; border-bottom: 1px solid var(--line); }
      .asset-workspace .media-grid { order: 2; }
      .asset-workspace .media-grid { height: 760px; display: grid; }
      .asset-workspace .contents-card { height: 580px; }
      .asset-workspace .contents-scroll { max-height: 520px; }
      .asset-workspace .material-card .contents-scroll,
      .asset-workspace .texture-scroll { max-height: 620px; }
      .outliner-mesh-row { grid-template-columns: 22px 42px minmax(0, 1fr) 72px 18px; gap: 6px; }
      .outliner-mesh-row .asset-preview { width: 42px; height: 42px; }
      .outliner-mesh-flags { display: none; }
      .asset-workspace .texture-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    }
    @media (max-width: 420px) {
      .title { font-size: 16px; }
      .subtitle { display: none; }
      .again { padding: 0 9px; }
      .card-pad { padding: 16px; }
      .viewer-stage { height: 290px; }
    }
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
    }

    /* ---- Interactive inspector (texel density / geometry) ---- */
    .inspect-canvas { position: absolute; inset: 0; z-index: 2; width: 100%; height: 100%; display: block; }
    .inspect-canvas[hidden] { display: none; }
    .viewer-stage.inspecting model-viewer { display: none; }
    .viewer-stage.inspecting .viewer-load-progress,
    .viewer-stage.inspecting .viewer-status { display: none; }
    .viewer-modes {
      position: absolute; top: 12px; left: 12px; z-index: 6;
      display: inline-flex; gap: 1px; padding: 1px; border: 1px solid var(--line); background: var(--line);
    }
    .viewer-mode {
      padding: 6px 10px; border: 0; background: color-mix(in srgb, var(--forest) 88%, transparent);
      color: var(--sage); font: 650 8.5px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase;
      cursor: pointer; transition: background-color .15s ease, color .15s ease;
    }
    .viewer-mode:hover { color: var(--sage-bright); }
    .viewer-mode.is-active { background: var(--sage); color: var(--forest); }
    .inspect-overlay {
      position: absolute; left: 12px; right: 12px; bottom: 12px; z-index: 6;
      display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
      padding: 8px 10px; border: 1px solid var(--line);
      background: color-mix(in srgb, var(--forest) 86%, transparent); backdrop-filter: blur(8px);
    }
    .inspect-overlay[hidden] { display: none; }
    .inspect-seg { display: inline-flex; gap: 1px; padding: 1px; background: var(--line); }
    .inspect-seg button {
      padding: 6px 9px; border: 0; background: color-mix(in srgb, var(--forest) 90%, transparent);
      color: var(--sage); font: 650 8px/1 var(--mono); letter-spacing: .05em; text-transform: uppercase; cursor: pointer;
    }
    .inspect-seg button:hover { color: var(--sage-bright); }
    .inspect-seg button.is-active { background: var(--sage); color: var(--forest); }
    .inspect-checker { display: inline-flex; align-items: center; gap: 8px; color: var(--sage-dim); font: 650 8px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; }
    .inspect-checker input { width: 110px; accent-color: var(--sage); }
    .inspect-legend { color: var(--sage-dim); font: 600 8px/1.3 var(--mono); letter-spacing: .04em; }
    .smart-compress-view {
      display: block; width: 100%; margin-top: 6px; padding: 6px 8px;
      border: 1px solid var(--line); border-radius: 0; background: var(--panel);
      color: var(--sage); font: 650 8px/1.3 var(--mono); letter-spacing: .05em; text-transform: uppercase;
      text-align: left; cursor: pointer; transition: border-color .15s ease, color .15s ease, background-color .15s ease;
    }
    .smart-compress-view:hover { border-color: var(--sage-dim); color: var(--sage-bright); background: var(--panel-soft); }