/* Scene mode: theme grid, cast placement, canvas/feed layout, edit rail, trace rail, fork chips, thread connectors, star rating, cast list. */
  /* Theme grid */
  .theme-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
  }
  .theme-btn {
    background: color-mix(in srgb, var(--fg) 4%, transparent);
    border: 1px solid color-mix(in srgb, var(--fg) 8%, transparent);
    border-radius: 8px;
    color: var(--text-dim);
    font-size: 11px; font-weight: 500;
    padding: 8px 6px;
    cursor: pointer;
    transition: all 0.15s;
    text-align: center; line-height: 1.3;
  }
  .theme-btn:hover {
    background: rgba(212,165,116,0.15);
    border-color: rgba(212,165,116,0.4);
    color: var(--accent-strong);
  }
  .theme-btn.active {
    background: rgba(212,165,116,0.25);
    border-color: rgba(212,165,116,0.6);
    color: var(--accent-strong);
    font-weight: 600;
  }
  .other-btn { grid-column: 1 / -1; color: var(--text-dim); border-style: dashed; }
  .other-btn.active { border-style: solid; }

  textarea, input[type=text] {
    width: 100%;
    background: color-mix(in srgb, var(--fg) 4%, transparent);
    border: 1px solid color-mix(in srgb, var(--fg) 10%, transparent);
    border-radius: 8px;
    color: var(--text);   /* what the user TYPES is primary content — full brightness */
    font-size: 12px;
    padding: 10px 12px;
    resize: none;
    outline: none;
    font-family: inherit;
    line-height: 1.5;
    transition: border-color 0.15s;
  }
  textarea:focus, input[type=text]:focus { border-color: rgba(212,165,116,0.5); }
  textarea::placeholder, input::placeholder { color: var(--text-faint); }

  /* Place cast: second in command after Generate — bold accent outline; goes SOLID
     accent once pins are placed so the armed state is unmissable. */
  .place-cast-btn {
    width: 100%; margin-top: 10px; padding: 11px 12px;
    display: flex; align-items: center; justify-content: center; gap: 6px;
    background: var(--accent-soft);
    border: 1.5px solid var(--accent-border);
    border-radius: 9px;
    color: var(--accent-strong);
    font-family: inherit; font-size: 13px; font-weight: 700;
    cursor: pointer;
    transition: background 0.12s, border-color 0.12s, color 0.12s;
  }
  .place-cast-btn:hover { background: var(--accent-soft-2); border-color: var(--accent); }
  .place-cast-btn.has-pins { background: var(--accent); border-color: var(--accent); color: var(--gen-btn-text); }
  .place-cast-btn.has-pins:hover { background: var(--accent-strong); }

  .model-seg { display: flex; gap: 6px; }
  .model-opt {
    flex: 1; background: var(--surface); color: var(--text-dim); border: 1px solid var(--border-strong);
    border-radius: 9px; cursor: pointer; padding: 8px 6px; font-family: inherit;
    display: flex; flex-direction: column; align-items: center; gap: 2px; transition: all .12s;
  }
  .model-opt .mo-name { font-size: 12px; font-weight: 600; }
  .model-opt .mo-cost { font-size: 10px; opacity: .8; }
  .model-opt.active { border-color: var(--accent); color: var(--text); background: color-mix(in srgb, var(--accent) 12%, var(--surface)); }
  .model-opt:not(.active):hover { color: var(--text); }
  .gen-btn {
    margin: 14px;
    width: calc(100% - 28px);
    background: var(--accent);
    color: var(--gen-btn-text);
    font-weight: 600;
    font-size: 13px;
    border: none;
    border-radius: 7px;
    padding: 11px;
    cursor: pointer;
    transition: background 0.12s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    letter-spacing: -0.005em;
  }
  .gen-btn:hover:not(:disabled) { background: var(--accent-strong); }
  .gen-btn:disabled { opacity: 0.4; cursor: not-allowed; background: var(--surface-2); color: var(--text-muted); }

  .main {
    display: flex;
    flex-direction: column;
    overflow: hidden;
  }
  .canvas-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 24px;
    overflow-y: auto;
  }
  /* Desktop only: size container so the edit rail can cap itself to THIS
     scrollport (100cqh) instead of the viewport — the rail's tail was
     unreachable otherwise. NEVER on mobile: there the canvas scrolls with the
     page (overflow visible, content-driven height) and size containment
     collapses it — scene images squished to slivers, cards overlapping. */
  @media (min-width: 901px) {
    .canvas-area { container-type: size; }
  }
  .canvas-area::-webkit-scrollbar { width: 6px; }
  .canvas-area::-webkit-scrollbar-track { background: transparent; }
  .canvas-area::-webkit-scrollbar-thumb { background: color-mix(in srgb, var(--fg) 12%, transparent); border-radius: 4px; }
  .placeholder { margin: auto; text-align: center; color: var(--text-faint); }
  .placeholder svg { margin-bottom: 14px; opacity: 0.25; }
  .placeholder h2 { font-size: 15px; font-weight: 500; margin-bottom: 4px; color: var(--text-muted); letter-spacing: -0.01em; }
  .placeholder p { font-size: 12px; color: var(--text-faint); }

  /* Scene feed — the ACTIVE PATH of the thread (head on top, template at the root).
     Other branches live in the trace rail on the left; they never reshuffle the column. */
  .feed-wrap {
    width: 100%;
    max-width: 792px;
    display: flex;
    align-items: flex-start;
    gap: 14px;
  }
  .scene-feed {
    flex: 1;
    min-width: 0;
    max-width: 680px;
    display: flex;
    flex-direction: column;
    gap: 22px;
  }
  /* Edit rail — dark vertical toolbar docked left of the trace rail. Pens draw
     straight onto the image you're viewing (no modal). Tools come from the
     EDIT_RAIL_TOOLS registry, so new tools are one entry each. */
  .edit-rail {
    flex: 0 0 auto;
    position: sticky; top: 12px;
    /* cap to the canvas-area SCROLLPORT (cqh), not the viewport: the canvas is
       ~190px shorter than 100vh (header + templates strip + bottom bar), so a
       viewport-sized rail had a permanently unreachable tail AND out-ran its
       sticky range (the parent's bottom dragged it off-screen while scrolling).
       vh kept as the fallback for browsers without container-query units. */
    max-height: calc(100vh - 24px);
    max-height: calc(100cqh - 24px);
    display: flex; flex-direction: column; align-items: center; gap: 4px;
    background: color-mix(in srgb, var(--bg) 92%, var(--fg));
    border: 1px solid var(--border-strong); border-radius: 12px;
    padding: 8px 6px; z-index: 7;
    box-shadow: 0 4px 18px color-mix(in srgb, var(--shadow-strong) 40%, transparent);
  }
  .edit-rail button {
    width: 34px; height: 34px; border-radius: 9px;
    background: transparent; border: 1px solid transparent;
    color: var(--text-dim); cursor: pointer; font-size: 14px;
    display: flex; align-items: center; justify-content: center;
    position: relative;
  }
  .edit-rail button:hover { background: var(--surface-2); }
  .edit-rail button.active { border-color: var(--accent); background: var(--accent-soft); }
  .edit-rail button:disabled { opacity: 0.35; cursor: default; background: transparent; }
  .edit-rail .rail-sep { width: 22px; height: 1px; background: var(--border-strong); margin: 3px 0; }
  .edit-rail .rail-count {
    position: absolute; top: -4px; right: -4px; min-width: 15px; height: 15px;
    border-radius: 8px; background: var(--accent); color: var(--gen-btn-text);
    font-size: 10px; font-weight: 700; line-height: 15px; padding: 0 3px;
  }
  /* favorites scroll between the pinned pens (top) and pinned actions (bottom) */
  .edit-rail .rail-favs {
    display: flex; flex-direction: column; align-items: center; gap: 4px;
    overflow-y: auto; flex: 0 1 auto; min-height: 38px;
    scrollbar-width: none;
  }
  .edit-rail .rail-favs::-webkit-scrollbar { display: none; }
  .edit-rail .rail-fav { padding: 0; overflow: hidden; border: 1px solid var(--border-strong); flex: 0 0 auto; }
  .edit-rail .rail-fav img { width: 100%; height: 100%; object-fit: cover; display: block; }
  .edit-rail .rail-fav.in-cast { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
  /* per-character health chips on the head card — dot = drift vs canonical */
  .cast-health {
    position: absolute; left: 8px; bottom: 46px; z-index: 5;
    display: flex; gap: 5px; flex-wrap: wrap; max-width: 85%;
  }
  .cast-health .ch {
    display: inline-flex; align-items: center; gap: 5px;
    font-size: 10.5px; color: #eee; cursor: pointer;
    background: rgba(0,0,0,0.55); border: 1px solid rgba(255,255,255,0.14);
    border-radius: 999px; padding: 2px 8px 2px 5px; backdrop-filter: blur(3px);
  }
  .cast-health .ch:hover { background: rgba(0,0,0,0.75); }
  .cast-health .ch .dot { width: 7px; height: 7px; border-radius: 50%; }
  /* card-level busy overlay: rail actions (swap / annotate apply / polish) run for
     many seconds — spin ON the image being worked from so the app never looks frozen */
  .anno-loading {
    position: absolute; inset: 0; z-index: 9; border-radius: 12px;
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px;
    background: color-mix(in srgb, var(--bg) 45%, transparent);
    backdrop-filter: blur(2px);
  }
  .anno-loading .ring {
    width: 36px; height: 36px; border-radius: 50%;
    border: 3px solid var(--border-strong); border-top-color: var(--accent);
    animation: spin 0.7s linear infinite;
  }
  .anno-loading .lbl {
    font-size: 12.5px; color: var(--text);
    background: color-mix(in srgb, var(--bg) 80%, transparent);
    border: 1px solid var(--border); border-radius: 999px; padding: 5px 12px;
  }
  /* pen overlay on the feed image + the per-stroke note popup */
  .anno-layer { position: absolute; cursor: crosshair; touch-action: none; z-index: 8; }
  /* armed pen/swap: crosshair on desktop; on touch, stop the browser stealing the
     first stroke for page-scroll before the overlay canvas mounts */
  .scene-feed.anno-arm .scene-card img { cursor: crosshair; touch-action: none; }
  .anno-pop {
    position: absolute; z-index: 9; display: flex; gap: 6px; align-items: center;
    background: var(--bg); border: 1px solid var(--border-strong); border-radius: 10px;
    padding: 6px; box-shadow: 0 8px 26px var(--shadow-strong);
  }
  .anno-pop input {
    width: 230px; max-width: 56vw; background: var(--surface-2); border: 1px solid var(--border);
    border-radius: 7px; color: var(--text); padding: 7px 9px; font-size: 12.5px;
  }
  .anno-pop .anno-ok { background: var(--accent); border: 0; color: var(--gen-btn-text); font-weight: 700;
    border-radius: 7px; padding: 7px 10px; cursor: pointer; font-size: 12px; }
  .anno-pop .anno-up { background: var(--surface-2); border: 1px solid var(--border-strong);
    color: var(--text-dim); border-radius: 7px; padding: 4px 7px; cursor: pointer; font-size: 13px;
    min-width: 32px; display: flex; align-items: center; justify-content: center; }
  /* Trace rail — the whole tree as a slim docked map (TradingView-style left bar).
     Lane 0 hugs the feed; re-rolls from a lower image fork into lanes to the right. */
  .trace-rail {
    flex: 0 0 86px;
    position: sticky;
    top: 0;
    max-height: calc(100vh - 200px);
    overflow: hidden auto;
    scrollbar-width: thin;
    padding: 4px 0 10px;
  }
  .trace-rail-label {
    font-size: 9.5px; font-weight: 700; letter-spacing: 0.12em;
    color: var(--text-faint); padding: 0 0 8px 6px; text-transform: uppercase;
  }
  .trace-map { position: relative; }
  .trace-map svg { position: absolute; inset: 0; pointer-events: none; }
  .tr-node {
    position: absolute;
    border-radius: 7px; overflow: hidden; cursor: pointer;
    border: 2px solid var(--border-strong);
    background: var(--surface-2);
    opacity: 0.45;
    transition: border-color 0.15s, transform 0.1s, opacity 0.15s, box-shadow 0.15s;
    z-index: 2;
  }
  .tr-node img { width: 100%; height: 100%; object-fit: cover; display: block; }
  .tr-node:hover { transform: scale(1.15); border-color: var(--accent-border); opacity: 1; z-index: 4; }
  .tr-node.on { opacity: 1; border-color: color-mix(in srgb, var(--accent) 45%, var(--border-strong)); }
  .tr-node.head { border-color: var(--accent); }
  .tr-node.in-view {
    transform: scale(1.22);
    border-color: var(--accent);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 35%, transparent);
    z-index: 3;
  }
  /* "You are here" — a row highlight that tracks the card currently on screen */
  .tr-here {
    position: absolute; left: 0; right: 3px;
    border-radius: 9px;
    background: color-mix(in srgb, var(--accent) 13%, transparent);
    border: 1px solid color-mix(in srgb, var(--accent) 32%, transparent);
    transition: top 0.12s;
    pointer-events: none;
    z-index: 1;
  }
  .tr-edge       { stroke: var(--border-strong); stroke-width: 2; fill: none; }
  .tr-edge.on    { stroke: color-mix(in srgb, var(--accent) 55%, var(--border-strong)); }
  /* Mobile: the rail becomes a horizontal sticky strip above the column —
     template on the left, head on the right, branches dropping below the trunk. */
  @media (max-width: 900px) {
    .feed-wrap { flex-direction: column; gap: 10px; }
    /* Mobile: the rail floats as a fixed bottom pill — thumb-reachable, and it never
       fights the sticky trace strip (whose height varies with branch lanes). It hides
       with the scene tab (display:none ancestors win over position:fixed). */
    .edit-rail {
      position: fixed; top: auto; bottom: 14px; left: 50%; transform: translateX(-50%);
      flex-direction: row; max-width: 88vw; overflow-x: auto; scrollbar-width: none;
      z-index: 60; box-shadow: 0 6px 24px var(--shadow-strong);
    }
    .edit-rail::-webkit-scrollbar { display: none; }
    /* scroll space under the floating rail: content (the Generate button, the feed's
       last card) can scroll fully above the pill instead of dying underneath it */
    body.rail-docked .sidebar, body.rail-docked .main { padding-bottom: 96px; }
    .edit-rail button { flex: 0 0 auto; }
    .edit-rail .rail-sep { width: 1px; height: 22px; margin: 0 3px; flex: 0 0 auto; }
    .edit-rail .rail-favs { flex-direction: row; max-height: none; max-width: 42vw;
                            overflow-x: auto; overflow-y: hidden; min-height: 0; }
    .trace-rail {
      flex: none; width: 100%; max-height: none;
      position: sticky; top: 0; z-index: 6;
      overflow: auto hidden;
      padding: 5px 6px;
      background: color-mix(in srgb, var(--bg) 90%, transparent);
      backdrop-filter: blur(7px);
      border-bottom: 1px solid var(--border);
      border-radius: 0 0 10px 10px;
    }
    .trace-map { margin: 0 auto; }   /* short threads sit centered */
  }
  /* Fork chip — the image below has sibling versions; flip which one the column follows.
     Switching NEVER moves the cards below the fork. */
  .branch-chip {
    align-self: center; display: flex; align-items: center; gap: 9px;
    font-size: 12px; color: var(--text-dim);
    background: var(--surface); border: 1px dashed var(--accent-border);
    border-radius: 999px; padding: 4px 7px; margin: -4px 0; position: relative; z-index: 1;
  }
  .branch-chip b { color: var(--accent-strong); }
  .bc-nav {
    background: none; border: 1px solid var(--border-strong); color: var(--text);
    border-radius: 7px; cursor: pointer; padding: 2px 9px; font-size: 12px; line-height: 1.4;
  }
  .bc-nav:disabled { opacity: 0.3; cursor: default; }
  .bc-nav:hover:not(:disabled) { border-color: var(--accent-border); color: var(--accent-strong); }
  /* touch: the version-flip arrows need a real finger target */
  @media (hover: none), (max-width: 768px) {
    .bc-nav { padding: 7px 14px; font-size: 13px; }
    .branch-chip { gap: 6px; font-size: 11.5px; }
  }
  .scene-card.trace-focus img { outline: 3px solid var(--accent); outline-offset: -3px; }
  .scene-card { position: relative; width: 100%; }
  .scene-card.base-active img { outline: 2px solid var(--accent); outline-offset: -2px; }
  /* thread connector: the "what happened" label between an iteration and the image it was built from */
  .thread-link {
    align-self: center; text-align: center; max-width: 92%;
    font-size: 12px; color: var(--text-dim);
    background: var(--surface); border: 1px solid var(--border); border-radius: 999px;
    padding: 6px 16px; margin: -8px 0; position: relative; z-index: 1;
  }
  .thread-link b { color: var(--text); font-weight: 600; }
  .thread-link.noop { border-color: color-mix(in srgb, #f59e0b 55%, var(--border)); }
  .thread-link .noop-tag { color: #f59e0b; font-weight: 600; }
  .scene-card img {
    width: 100%;
    border-radius: 12px;
    display: block;
    box-shadow: 0 20px 60px rgba(0,0,0,0.6);
    /* reserve space while the (full-res, lazy) image loads: without an intrinsic size the
       card collapses to ~0px and every absolutely-positioned overlay + negative-margin
       thread connector piles into soup — exactly what mobile users saw on slow loads.
       `auto 16/9` = placeholder ratio until the real image arrives, intrinsic after. */
    aspect-ratio: auto 16 / 9;
    background: var(--surface);
  }
  .scene-card.live img { box-shadow: 0 0 0 2px var(--accent), 0 20px 60px rgba(0,0,0,0.6); }
  .scene-card-actions {
    position: absolute; bottom: 12px; right: 12px;
    display: flex; gap: 6px;
    opacity: 0; transition: opacity 0.15s;
  }
  .scene-card:hover .scene-card-actions { opacity: 1; }
  /* Touch devices have no hover: the actions must be ALWAYS visible — and compact +
     wrapping, or seven buttons overflow the card and clip off-screen on phones. */
  @media (hover: none), (max-width: 768px) {
    .scene-card-actions {
      opacity: 1;
      left: 8px; right: 8px; bottom: 8px;
      flex-wrap: wrap; justify-content: flex-end;
    }
    .card-btn { font-size: 10px; padding: 3px 7px; border-radius: 5px; }
  }

  /* Star rating */
  .star-rate { display: inline-flex; gap: 1px; }
  .star-rate .star {
    cursor: pointer; font-size: 15px; line-height: 1;
    color: var(--text-faint); transition: color 0.1s, transform 0.1s;
    background: none; border: none; padding: 0 1px;
  }
  .star-rate .star.on { color: #fbbf24; }
  .star-rate:hover .star { color: var(--text-muted); }
  .star-rate .star:hover, .star-rate .star:hover ~ .star { color: var(--text-faint); }
  .star-rate:hover .star { color: #fbbf24; }
  .star-rate .star:hover ~ .star { color: var(--text-faint); }
  .scene-card-rate {
    position: absolute; top: 12px; left: 12px;
    background: rgba(0,0,0,0.6); backdrop-filter: blur(6px);
    border: 1px solid color-mix(in srgb, var(--fg) 15%, transparent);
    border-radius: 8px; padding: 3px 7px;
    opacity: 0; transition: opacity 0.15s;
  }
  .scene-card:hover .scene-card-rate, .scene-card-rate.rated { opacity: 1; }
  /* touch: an unrated scene's stars were unreachable — rating is tap-only there */
  @media (hover: none) { .scene-card-rate { opacity: 1; } }
  .comp-card-rate { margin-top: 6px; }
  .card-btn {
    /* overlay-on-image controls: theme-INDEPENDENT — always dark glass + light text.
       (These used theme vars before, so in light mode the near-black text/border
       vanished against the dark pill.) */
    background: rgba(0,0,0,0.6); backdrop-filter: blur(6px);
    border: 1px solid rgba(255,255,255,0.18);
    border-radius: 6px;
    color: rgba(255,255,255,0.85);
    font-size: 11px; font-weight: 600;
    padding: 5px 10px;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.15s;
  }
  .card-btn:hover { background: rgba(0,0,0,0.8); color: white; border-color: var(--accent-border); }
  .card-btn.shared { color: var(--accent-strong); border-color: var(--accent-border); }
  .card-btn.use:hover { background: rgba(180,120,40,0.55); border-color: var(--accent-border); color: white; }
  .result-tag {
    position: absolute; top: 12px; left: 12px;
    background: rgba(0,0,0,0.65); backdrop-filter: blur(8px);
    border: 1px solid color-mix(in srgb, var(--fg) 8%, transparent);
    border-radius: 4px;
    font-size: 10px; font-weight: 600;
    padding: 4px 9px;
    color: var(--accent);
    text-transform: uppercase; letter-spacing: 0.1em;
    font-family: 'SF Mono', 'JetBrains Mono', ui-monospace, monospace;
  }
  .save-btn {
    position: absolute; top: 12px; right: 12px;
    background: rgba(0,0,0,0.55); backdrop-filter: blur(6px);
    border: 1px solid color-mix(in srgb, var(--fg) 15%, transparent);
    border-radius: 6px;
    color: var(--text-dim);
    font-size: 11px; font-weight: 600;
    padding: 5px 10px;
    cursor: pointer;
    transition: all 0.15s;
  }
  .save-btn:hover { background: rgba(5,150,105,0.5); border-color: rgba(5,150,105,0.7); color: white; }
  .save-btn.saved { background: rgba(5,150,105,0.4); border-color: rgba(5,150,105,0.6); color: #34d399; }

  .bottom-bar {
    padding: 10px 22px;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 48px;
  }
  .status {
    font-size: 11px;
    color: var(--text-muted);
    font-family: 'SF Mono', 'JetBrains Mono', ui-monospace, monospace;
    letter-spacing: -0.005em;
  }
  .status.loading { color: var(--accent); }
  .status.error   { color: #f87171; }
  .status.done    { color: #34d399; }

  .download-btn {
    background: var(--surface);
    border: 1px solid var(--border-strong);
    border-radius: 5px;
    color: var(--text-dim);
    font-size: 11px; font-weight: 500;
    padding: 6px 12px;
    cursor: pointer;
    transition: color 0.12s, background 0.12s, border-color 0.12s;
    display: inline-flex; align-items: center; gap: 6px;
    letter-spacing: -0.005em;
  }
  .download-btn:hover { background: var(--surface-2); color: var(--text); border-color: var(--text-faint); }
  .download-btn:disabled { opacity: 0; pointer-events: none; }

  .spin {
    width: 14px; height: 14px;
    border: 2px solid rgba(232,188,139,0.3);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
  }
  @keyframes spin { to { transform: rotate(360deg); } }

  /* Cast list (in scene sidebar) */
  .char-card {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 10px;
    border-radius: 8px;
    border: 1px solid color-mix(in srgb, var(--fg) 7%, transparent);
    background: color-mix(in srgb, var(--fg) 3%, transparent);
    cursor: pointer;
    transition: all 0.15s;
  }
  .char-card:hover { background: color-mix(in srgb, var(--fg) 7%, transparent); }
  .char-card.active { background: rgba(212,165,116,0.15); border-color: rgba(212,165,116,0.4); }
  .char-avatar {
    width: 28px; height: 28px;
    border-radius: 50%;
    background: color-mix(in srgb, var(--fg) 7%, transparent);
    border: 1px solid color-mix(in srgb, var(--fg) 10%, transparent);
    overflow: hidden;
    flex-shrink: 0;
    display: flex; align-items: center; justify-content: center;
    font-size: 11px; color: var(--text-muted);
  }
  .char-avatar img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
  .char-card-name {
    font-size: 12px; font-weight: 500; color: var(--text);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  }
  .char-card-sub {
    font-size: 10px; color: var(--text-muted);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  }
  .cast-check { font-size: 13px; color: var(--accent); transition: opacity 0.15s; }