/* ClearMesh shared design tokens and primitives */

:root {
  /* grey-vanilla surfaces */
  --paper: #FEFEFC;
  --paper-2: #FFFFFF;
  --paper-3: #FAFAF7;
  --paper-sunk: #F3F3EF;
  --surface-speckles:
    radial-gradient(rgba(126, 99, 61, 0.018) 0.34px, transparent 0.54px),
    radial-gradient(rgba(91, 75, 53, 0.012) 0.26px, transparent 0.46px);

  /* ink */
  --ink: #1F2328;
  --ink-2: #333842;
  --ink-mute: #5F665F;
  --ink-soft: #8C8F88;

  /* vibrant ClearMesh blue */
  --blue: #1264FF;
  --blue-dim: #0F55D8;
  --blue-soft: #EEF4FF;
  --blue-glow: rgba(18, 100, 255, 0.16);

  /* state */
  --line: rgba(32, 36, 42, 0.08);
  --line-strong: rgba(32, 36, 42, 0.14);
  --hover: rgba(32, 36, 42, 0.04);

  /* type */
  --sans: 'Geist', 'Söhne', 'SF Pro Text', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;
  --serif: var(--sans);
  --mono: 'Geist Mono', 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  /* studio scale */
  --rail-w: 50px;
  --history-w: 208px;
  --thread-w: 360px;
  --mesh-card-w: 216px;
  --editor-inspector-w: 248px;

  /* radii / shadow */
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 12px;
  --r-xl: 14px;
  --shadow-card: 0 1px 0 rgba(31,35,40,0.025), 0 8px 18px -16px rgba(31,35,40,0.11);
  --shadow-panel: 0 1px 0 rgba(31,35,40,0.025), 0 16px 36px -26px rgba(31,35,40,0.13);
  --shadow-soft: var(--shadow-card);
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--sans);
  background: var(--paper);
  background-image: var(--surface-speckles);
  background-size: 38px 38px, 64px 64px;
  background-position: 0 0, 19px 31px;
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: 'ss01', 'cv11';
  font-size: 12.5px;
  line-height: 1.42;
  letter-spacing: 0;
}
button { font-family: inherit; cursor: pointer; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

/* weight-contrast emphasis (replaces italic+color) */
em {
  font-style: normal;
  font-weight: 700;
  color: inherit;
}

/* ─── app shell ────────────────────────────────────────── */
.app {
  height: 100vh;
  display: grid;
  grid-template-columns: var(--rail-w) 1fr;
  grid-template-rows: 38px 1fr;
  grid-template-areas:
    "topbar topbar"
    "left   main";
  background: var(--paper);
  background-image: var(--surface-speckles);
  background-size: 38px 38px, 64px 64px;
  background-position: 0 0, 19px 31px;
  overflow: hidden;
}
.app.panel-open {
  grid-template-columns: var(--rail-w) minmax(300px, var(--thread-w)) minmax(0, 1fr);
  grid-template-areas:
    "topbar topbar topbar"
    "left   main   right";
}

/* ─── top bar ──────────────────────────────────────────── */
.topbar {
  grid-area: topbar;
  display: flex;
  align-items: center;
  padding: 0 9px 0 11px;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  z-index: 5;
  gap: 8px;
}
.brand {
  display: inline-flex;
  align-items: baseline;
  font-family: var(--sans);
  font-size: 14.5px;
  font-weight: 500;
  letter-spacing: 0;
  color: var(--ink);
  line-height: 1;
}
.brand em {
  font-weight: 700;
  color: inherit;
  letter-spacing: 0;
}
.topbar .nav {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: 8px;
}
.topbar .nav a {
  font-size: 11.5px;
  color: var(--ink-mute);
  padding: 3px 5px;
  border-radius: var(--r-sm);
}
.topbar .nav a:hover { background: var(--hover); color: var(--ink); }
.topbar .nav a.active { color: var(--ink); }
.topbar .spacer { flex: 1; }
.topbar .right {
  position: relative;
  display: flex;
  align-items: center;
  gap: 6px;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 2px 6px;
  border: 1px solid var(--line);
  background: var(--paper-2);
  border-radius: 8px;
  font-size: 10.5px;
  color: var(--ink-mute);
  white-space: nowrap;
}
.chip .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #BBB6AA;
}
.chip.is-online .dot { background: #2E6F4B; }
.avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 0;
  background: var(--blue);
  color: var(--paper-2);
  display: grid;
  place-items: center;
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0;
  padding: 0;
}
.avatar:hover { background: var(--blue-dim); }
.avatar:focus-visible {
  outline: 2px solid var(--blue-glow);
  outline-offset: 2px;
}
.cm-account-menu {
  position: absolute;
  top: 32px;
  right: 30px;
  z-index: 60;
  min-width: 168px;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper-2);
  box-shadow: var(--shadow-card);
}
.cm-account-menu[hidden] { display: none; }
.cm-account-menu button {
  width: 100%;
  min-height: 31px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--ink);
  display: block;
  font-size: 12.5px;
  padding: 0 9px;
  text-align: left;
}
.cm-account-menu button:hover {
  background: var(--hover);
}
.cm-account-menu [data-account-delete] {
  color: #A94442;
}

/* ─── left sidebar (history) ────────────────────────────── */
.sidebar {
  grid-area: left;
  position: relative;
  z-index: 6;
  width: var(--rail-w);
  border-right: 1px solid var(--line);
  background: var(--paper);
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
  transition: width 150ms ease, box-shadow 150ms ease, background 150ms ease;
}
.sidebar:is(:hover, :focus-within) {
  width: var(--history-w);
  background: var(--paper-2);
  box-shadow: 10px 0 28px -24px rgba(31, 35, 40, 0.28);
}
.sidebar .new-mesh {
  width: 28px;
  height: 28px;
  margin: 9px auto 7px;
  padding: 0;
  justify-content: center;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--paper-2);
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 0;
  font-size: 0;
  font-weight: 500;
  transition: background 120ms ease, width 150ms ease, margin 150ms ease, padding 150ms ease, border-radius 150ms ease;
  white-space: nowrap;
}
.sidebar .new-mesh:hover { background: var(--paper-3); }
.sidebar:is(:hover, :focus-within) .new-mesh {
  width: calc(100% - 18px);
  margin: 9px 9px 7px;
  padding: 0 9px;
  justify-content: flex-start;
  border-radius: 8px;
  gap: 7px;
  font-size: 11.5px;
}
.sidebar .new-mesh svg {
  width: 13px;
  height: 13px;
  flex: 0 0 auto;
}
.sidebar .new-mesh kbd {
  display: none;
  margin-left: auto;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-soft);
  background: transparent;
  border: 1px solid var(--line);
  padding: 1px 5px;
  border-radius: 4px;
}
.sidebar:is(:hover, :focus-within) .new-mesh kbd {
  display: inline-flex;
}
.sidebar .search {
  width: 28px;
  height: 28px;
  margin: 0 auto 7px;
  position: relative;
  z-index: 8;
  transition: width 150ms ease, margin 150ms ease;
}
.sidebar .search:focus-within,
.sidebar:is(:hover, :focus-within) .search {
  width: calc(100% - 18px);
  margin: 0 9px 7px;
}
.sidebar .search input {
  width: 100%;
  height: 100%;
  padding: 6px 9px 6px 28px;
  border-radius: 8px;
  border: 1px solid transparent;
  background: transparent;
  font-family: inherit;
  font-size: 11.5px;
  color: var(--ink);
  outline: none;
  opacity: 0.01;
  transition: opacity 120ms ease, border-color 120ms ease, background 120ms ease;
}
.sidebar .search input::placeholder { color: var(--ink-soft); }
.sidebar .search input:focus,
.sidebar:is(:hover, :focus-within) .search input {
  background: var(--paper-2);
  border-color: var(--line);
  opacity: 1;
}
.sidebar .search:focus-within input {
  box-shadow: var(--shadow-card);
}
.sidebar .search svg {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 12px;
  height: 12px;
  color: var(--ink-soft);
  pointer-events: none;
}
.sidebar .search:focus-within svg,
.sidebar:is(:hover, :focus-within) .search svg {
  left: 9px;
  transform: translateY(-50%);
}
.sidebar .scroller {
  flex: 1;
  overflow-y: auto;
  padding: 3px 9px 14px;
  transition: padding 150ms ease;
}
.sidebar:is(:hover, :focus-within) .scroller {
  padding: 3px 9px 12px;
}
.sidebar .scroller::-webkit-scrollbar { width: 6px; }
.sidebar .scroller::-webkit-scrollbar-thumb { background: var(--line); border-radius: 3px; }
.sidebar .group-label {
  display: none;
  font-size: 10px;
  color: var(--ink-soft);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 14px 2px 8px;
  font-weight: 500;
}
.sidebar:is(:hover, :focus-within) .group-label {
  display: block;
}
.thumb-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
}
.sidebar:is(:hover, :focus-within) .thumb-grid {
  grid-template-columns: 1fr;
}
.history-item {
  position: relative;
  aspect-ratio: 1 / 1;
  border-radius: 6px;
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at 50% 35%, var(--paper) 0%, var(--paper-3) 80%);
  overflow: hidden;
  cursor: pointer;
  transition: border-color 140ms ease, box-shadow 140ms ease, gap 150ms ease, padding 150ms ease;
}
.history-item:hover {
  border-color: var(--blue-dim);
}
.history-item.active {
  border-color: var(--blue);
  box-shadow: 0 0 0 2px var(--blue-glow);
}
.sidebar:is(:hover, :focus-within) .history-item {
  aspect-ratio: auto;
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 3px;
  background: transparent;
}
.history-item canvas {
  width: 100%;
  height: 100%;
  display: block;
}
.sidebar:is(:hover, :focus-within) .history-item canvas {
  width: 38px;
  height: 38px;
  border-radius: var(--r-sm);
}
.history-copy {
  display: none;
  min-width: 0;
  gap: 1px;
}
.sidebar:is(:hover, :focus-within) .history-copy {
  display: grid;
}
.history-copy b,
.history-copy small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.history-copy b {
  color: var(--ink);
  font-size: 11.5px;
  font-weight: 500;
}
.history-copy small {
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 10px;
}
.history-item .corner {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue);
  opacity: 0;
  transition: opacity 140ms ease;
}
.history-item.active .corner { opacity: 1; }

.sidebar .footer {
  display: none;
  padding: 8px 9px;
  border-top: 1px solid var(--line);
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  transition: padding 150ms ease, gap 150ms ease;
}
.sidebar:is(:hover, :focus-within) .footer {
  display: flex;
}
.sidebar .footer .credits {
  display: none;
  font-size: 10px;
  color: var(--ink-soft);
  flex: 1;
  gap: 2px;
  min-width: 0;
}
.sidebar:is(:hover, :focus-within) .footer .credits {
  display: grid;
}
.sidebar .footer .credits .plan-name {
  color: var(--ink);
  font-size: 11px;
  font-weight: 600;
}
.sidebar .footer .credits b {
  color: var(--ink);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.sidebar .footer .upgrade {
  min-width: auto;
  min-height: 25px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  color: var(--blue);
  padding: 3px 8px;
  border-radius: 5px;
  border: 1px solid var(--blue-soft);
  background: var(--blue-soft);
}
.sidebar .footer .upgrade::after {
  content: '';
  display: none;
}
.cm-toast {
  position: fixed;
  left: 50%;
  bottom: 18px;
  z-index: 1200;
  transform: translateX(-50%);
  max-width: min(460px, calc(100vw - 32px));
  padding: 8px 11px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--paper-2);
  color: var(--ink);
  box-shadow: var(--shadow-card);
  font-size: 12px;
}
.cm-toast[hidden] { display: none; }

/* ─── main / chat ──────────────────────────────────────── */
.main {
  grid-area: main;
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
}
.app.panel-open .main {
  border-right: 1px solid var(--line);
}
.main.is-empty-thread {
  justify-content: center;
  padding-bottom: 58px;
}
.thread {
  flex: 1;
  overflow-y: auto;
  padding: 13px 16px 92px;
}
.main.is-empty-thread .thread {
  flex: 0 0 auto;
  overflow: visible;
  padding: 0 18px 14px;
}
.thread::-webkit-scrollbar { width: 8px; }
.thread::-webkit-scrollbar-thumb { background: var(--line); border-radius: 4px; }
.thread-inner {
  max-width: var(--thread-w);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.main.is-empty-thread .thread-inner {
  gap: 0;
}

.thread-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2px;
}
.thread-meta h1 {
  font-family: var(--sans);
  font-weight: 520;
  font-size: 14.5px;
  margin: 0;
  letter-spacing: 0;
}
.thread-meta h1 em { font-weight: 700; color: inherit; }
.thread-meta .meta-actions {
  display: flex;
  gap: 4px;
}
.icon-btn {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  background: transparent;
  border: 1px solid transparent;
  color: var(--ink-mute);
  display: grid;
  place-items: center;
  transition: background 120ms;
}
.icon-btn:hover { background: var(--hover); color: var(--ink); }
.icon-btn svg { width: 14px; height: 14px; }

/* user message */
.msg-user {
  align-self: flex-end;
  max-width: 80%;
  background: var(--paper-2);
  border: 1px solid var(--line);
  padding: 7px 10px;
  border-radius: 8px 8px 4px 8px;
  font-size: 12.25px;
  color: var(--ink);
}
.msg-user .attach {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 7px;
  padding: 5px 7px;
  background: var(--paper-3);
  border-radius: 8px;
  font-size: 11.5px;
  color: var(--ink-mute);
}
.msg-user .attach .attach-thumb {
  width: 28px;
  height: 28px;
  border-radius: 5px;
  background: linear-gradient(135deg, #D8D5CC, #A5A198);
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}
.msg-user .attach .attach-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 35%, rgba(255,255,255,0.4) 0%, transparent 40%),
    linear-gradient(165deg, transparent 50%, rgba(20,30,46,0.25) 100%);
}

/* generated mesh result */
.turn-result {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

/* mesh card — a preview-focused tile, no prose */
.mesh-card {
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 6px;
  cursor: pointer;
  transition: border-color 140ms ease, transform 140ms ease, box-shadow 140ms ease;
  display: block;
  max-width: var(--mesh-card-w);
}
.mesh-card:hover {
  border-color: var(--blue-dim);
  box-shadow: var(--shadow-card);
}
.mesh-card.selected {
  border-color: var(--blue);
  box-shadow: 0 0 0 2px var(--blue-glow);
}
.mesh-card .preview {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: 7px;
  background:
    radial-gradient(circle at 50% 32%, var(--paper) 0%, var(--paper-3) 75%);
  overflow: hidden;
}
.app.panel-open .mesh-card .preview {
  background:
    radial-gradient(circle at 52% 42%, rgba(233, 229, 219, 0.98) 0 18%, rgba(233, 229, 219, 0.42) 19% 26%, transparent 27%),
    linear-gradient(rgba(255,255,255,0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.055) 1px, transparent 1px),
    #171717;
  background-size: auto, 28px 28px, 28px 28px;
}
.mesh-card .preview canvas {
  width: 100%;
  height: 100%;
  display: block;
}
.cm-preview-image-fallback,
.cm-viewer-image-fallback {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  pointer-events: none;
}
.cm-preview-image-fallback {
  z-index: 1;
  padding: 7px;
}
.cm-viewer-image-fallback {
  z-index: 1;
  padding: 22px;
  background:
    radial-gradient(circle at 50% 30%, rgba(255,253,251,0.88) 0%, rgba(232,230,223,0.72) 78%);
}
.mesh-card .preview .badge {
  position: absolute;
  top: 6px;
  left: 6px;
  z-index: 3;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.04em;
  color: var(--ink-mute);
  background: rgba(255,253,251, 0.86);
  backdrop-filter: blur(4px);
  padding: 3px 6px;
  border-radius: 5px;
  border: 1px solid var(--line);
}
.mesh-card .preview .source-badge {
  position: absolute;
  top: 28px;
  left: 6px;
  z-index: 3;
  font-family: var(--mono);
  font-size: 9px;
  color: var(--ink-mute);
  background: rgba(255,253,251, 0.86);
  backdrop-filter: blur(4px);
  padding: 3px 7px;
  border-radius: 5px;
  border: 1px solid var(--line);
}
.mesh-card .preview .source-badge.is-real {
  color: var(--blue);
  border-color: rgba(31, 111, 255, 0.22);
  background: rgba(237, 243, 255, 0.9);
}
.mesh-card .preview .source-badge.is-placeholder {
  color: var(--ink-mute);
  border-style: dashed;
}
.mesh-card .preview .source-badge.is-image,
.mesh-card .preview .source-badge.is-pending {
  color: var(--ink-mute);
}
.mesh-card .preview .hover-hint {
  position: absolute;
  top: 6px;
  right: 6px;
  font-size: 9.5px;
  color: var(--blue);
  background: rgba(220, 229, 242, 0.92);
  padding: 3px 8px;
  border-radius: 6px;
  opacity: 0;
  transition: opacity 140ms ease;
  display: flex;
  align-items: center;
  gap: 4px;
}
.mesh-card:hover .hover-hint { opacity: 1; }
.mesh-card .preview .preview-stats {
  position: absolute;
  bottom: 6px;
  left: 6px;
  right: 6px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 9px;
  color: var(--ink-mute);
  background: rgba(255,253,251, 0.78);
  backdrop-filter: blur(6px);
  padding: 4px 7px;
  border-radius: 6px;
  border: 1px solid var(--line);
}
.mesh-card .preview .preview-stats b {
  color: var(--ink-2);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}
.reference-strip {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  align-items: center;
  gap: 7px;
  margin-top: 7px;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  color: var(--ink-2);
  text-decoration: none;
}
.reference-strip[hidden] {
  display: none;
}
.reference-strip:hover {
  border-color: var(--blue-dim);
}
.reference-strip img {
  width: 34px;
  height: 27px;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: var(--paper-2);
}
.reference-strip span {
  min-width: 0;
  display: grid;
  gap: 2px;
}
.reference-strip b {
  color: var(--ink);
  font-size: 11.25px;
  font-weight: 560;
}
.reference-strip em {
  min-width: 0;
  overflow: hidden;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 10px;
  font-style: normal;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.cm-job-actions {
  position: absolute;
  right: 10px;
  top: 10px;
  z-index: 4;
  display: flex;
  gap: 6px;
}
.cm-job-action {
  min-height: 25px;
  padding: 0 8px;
  border: 1px solid rgba(45, 62, 92, 0.2);
  border-radius: 7px;
  background: rgba(255, 253, 248, 0.88);
  color: var(--ink-2);
  font-size: 11px;
  font-weight: 520;
  box-shadow: var(--shadow-soft);
}
.cm-job-action:hover {
  border-color: var(--blue-dim);
  color: var(--blue);
}
.cm-job-action:disabled,
.cm-job-action.is-disabled {
  opacity: 0.55;
  pointer-events: none;
}

/* variations row (when assistant returns multiple) */
.variations {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  max-width: var(--mesh-card-w);
}
.var-thumb {
  aspect-ratio: 1 / 1;
  border-radius: 7px;
  border: 1px solid var(--line);
  background: radial-gradient(circle at 50% 35%, var(--paper) 0%, var(--paper-3) 70%);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}
.var-thumb canvas { width: 100%; height: 100%; display: block; }
.var-thumb:hover { border-color: var(--blue-dim); }
.var-thumb .ix {
  position: absolute;
  top: 6px;
  left: 8px;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-soft);
}

/* composer */
.composer-wrap {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 7px 16px 9px;
  background: linear-gradient(180deg, rgba(254,254,252,0) 0%, var(--paper) 34%);
  pointer-events: none;
}
.main.is-empty-thread .composer-wrap {
  position: static;
  padding: 0 18px;
  background: transparent;
}
.composer {
  width: 100%;
  max-width: var(--thread-w);
  margin: 0 auto;
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 4px;
  box-shadow: var(--shadow-card);
  pointer-events: auto;
  transition: border-color 120ms ease;
}
.composer:focus-within { border-color: var(--blue-dim); box-shadow: 0 0 0 2px var(--blue-glow); }
.composer.is-dragging {
  border-color: var(--blue);
  background: var(--paper);
}
.composer.is-uploading {
  cursor: progress;
}
.composer .input-row {
  display: flex;
  align-items: center;
  gap: 5px;
}
.composer textarea {
  min-width: 0;
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-family: inherit;
  font-size: 12.25px;
  color: var(--ink);
  resize: none;
  min-height: 20px;
  max-height: 160px;
  padding: 4px 2px;
  line-height: 1.42;
}
.composer textarea::placeholder { color: var(--ink-soft); }
.composer-quote {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 7px;
  min-height: 25px;
  margin: 1px 2px 3px;
  padding: 4px 6px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--paper);
  color: var(--ink-mute);
  font-size: 11px;
}
.composer-quote[hidden] {
  display: none;
}
.composer-quote-label {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.composer-quote b {
  color: var(--ink);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  white-space: nowrap;
}
.composer-quote a {
  min-height: 22px;
  display: inline-grid;
  place-items: center;
  padding: 0 8px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--paper-2);
  color: var(--blue);
  font-size: 10.75px;
  font-weight: 500;
}
.composer-quote a:hover {
  border-color: var(--blue-dim);
}
.composer-quote.is-loading,
.composer-quote.is-error {
  display: block;
  font-family: var(--mono);
  font-size: 10px;
}
.composer-quote.is-blocked {
  border-color: rgba(169, 68, 66, 0.32);
  background: #FFF7F4;
}
.composer-quote.is-blocked b {
  color: #A94442;
}
.composer-attachment-tray {
  padding: 2px 2px 3px;
}
.composer-attachment-tray[hidden] {
  display: none;
}
.composer-attachment {
  display: inline-grid;
  grid-template-columns: 28px minmax(0, 1fr) auto;
  align-items: center;
  max-width: min(420px, 100%);
  gap: 7px;
  padding: 4px 5px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}
.composer-attachment img {
  width: 28px;
  height: 28px;
  display: block;
  object-fit: cover;
  border-radius: 6px;
  background: var(--paper-3);
}
.composer-attachment-meta {
  min-width: 0;
  display: grid;
  gap: 1px;
}
.composer-attachment-meta b,
.composer-attachment-meta span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.composer-attachment-meta b {
  font-size: 11.5px;
  font-weight: 500;
}
.composer-attachment-meta span {
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 10px;
}
.composer-attachment button {
  border: 0;
  background: transparent;
  color: var(--ink-soft);
  font-size: 12px;
  padding: 4px 5px;
  border-radius: 6px;
}
.composer-attachment button:hover {
  color: var(--ink);
  background: var(--hover);
}
.composer .tools {
  display: none;
  align-items: center;
  gap: 3px;
  padding: 4px 3px 0;
}
.composer .tool-btn {
  height: 26px;
  width: 26px;
  padding: 0;
  border-radius: 6px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--ink-mute);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}
.composer .tool-btn:hover { background: var(--hover); color: var(--ink); }
.composer .tool-btn svg { width: 13px; height: 13px; }
.composer .preset {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  font-family: var(--mono);
  font-size: 10px;
  line-height: 1;
  color: var(--ink-mute);
  min-height: 24px;
  padding: 0 6px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper);
  white-space: nowrap;
}
.composer .preset:hover { color: var(--ink); }
.composer .preset .caret { color: var(--ink-soft); }
.composer .spacer { flex: 1; }
.composer .run-estimate {
  display: none;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-soft);
  margin-right: 5px;
  white-space: nowrap;
}
.composer .send {
  height: 26px;
  width: 26px;
  border-radius: 6px;
  background: var(--blue);
  color: var(--paper-2);
  border: none;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
}
.composer .send svg { width: 12px; height: 12px; }
.composer .send:hover { background: #213e75; }
.composer .send:disabled { background: var(--paper-3); color: var(--ink-soft); cursor: not-allowed; }

/* ─── right panel (mesh viewer + tools) ─────────────────── */
.right-panel {
  grid-area: right;
  border-left: 1px solid var(--line);
  background: #F6F6F2;
  display: none;
  min-height: 0;
  min-width: 0;
}
.app.panel-open .right-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--editor-inspector-w);
  grid-template-rows: 34px minmax(0, 1fr);
  grid-template-areas:
    "editor-header editor-header"
    "editor-viewport editor-inspector";
}

.rp-header {
  grid-area: editor-header;
  display: flex;
  align-items: center;
  padding: 6px 8px 6px 10px;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  gap: 8px;
  min-height: 34px;
}
.rp-header .rp-title {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0;
}
.rp-header .rp-sub {
  font-family: var(--mono);
  font-size: 9.5px;
  color: var(--ink-soft);
  margin-top: 1px;
}
.rp-header .rp-meta { flex: 1; min-width: 0; }

.viewer {
  grid-area: editor-viewport;
  position: relative;
  height: auto;
  min-height: 0;
  background:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px),
    #171717;
  background-size: 32px 32px;
  border-bottom: 0;
}
.viewer::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.045) 1px, transparent 1px);
  background-size: 40px 40px, 40px 40px;
  opacity: 0.32;
}
.viewer canvas {
  width: 100%;
  height: 100%;
  display: block;
  cursor: grab;
  touch-action: none;
  background: #171717;
}
.viewer canvas:active { cursor: grabbing; }
.viewer .viewer-tools {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 4;
  display: flex;
  flex-direction: column;
  gap: 3px;
  background: rgba(31, 31, 31, 0.92);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 7px;
  padding: 2px;
}
.viewer .vt-btn {
  width: 24px;
  height: 24px;
  border-radius: 5px;
  background: transparent;
  border: none;
  color: rgba(255,255,255,0.72);
  display: grid;
  place-items: center;
}
.viewer .vt-btn svg { width: 13px; height: 13px; }
.viewer .vt-btn:hover { background: rgba(255,255,255,0.1); color: #fff; }
.viewer .vt-btn.active { background: var(--blue); color: #fff; }

.viewer .gizmo-hint {
  position: absolute;
  bottom: 36px;
  left: 50%;
  z-index: 4;
  transform: translateX(-50%);
  font-family: var(--mono);
  font-size: 10px;
  color: rgba(255,255,255,0.62);
  background: rgba(31,31,31,0.72);
  padding: 3px 8px;
  border-radius: 7px;
  border: 1px solid rgba(255,255,255,0.1);
  letter-spacing: 0;
}

.viewer .viewer-status {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 4;
  display: grid;
  grid-template-columns: auto auto auto minmax(0, 1fr);
  align-items: center;
  gap: 0;
  pointer-events: none;
  font-family: var(--mono);
  font-size: 10px;
  color: rgba(255,255,255,0.62);
  background: rgba(24,24,24,0.94);
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 4px 6px;
}
.viewer .viewer-status span {
  min-height: 18px;
  display: inline-flex;
  align-items: center;
  min-width: 0;
  padding: 2px 6px;
  border: 0;
  border-radius: 4px;
  background: transparent;
  white-space: nowrap;
}
.viewer .viewer-status span:last-child {
  justify-content: flex-end;
  overflow: hidden;
  text-overflow: ellipsis;
}

.viewer .stats-overlay {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 4;
  font-family: var(--mono);
  font-size: 10px;
  color: rgba(255,255,255,0.68);
  text-align: right;
  line-height: 1.5;
}
.viewer .stats-overlay b {
  color: rgba(255,255,255,0.92);
  font-weight: 500;
}
.viewer .viewer-compare-badge {
  position: absolute;
  top: 56px;
  right: 10px;
  z-index: 4;
  max-width: 136px;
  padding: 3px 6px;
  border: 1px solid var(--blue-dim);
  border-radius: 6px;
  background: rgba(237, 245, 255, 0.9);
  color: var(--blue);
  font-family: var(--mono);
  font-size: 10px;
  line-height: 1.2;
  overflow: hidden;
  text-align: right;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.rp-body {
  grid-area: editor-inspector;
  min-height: 0;
  overflow-y: auto;
  padding: 0 10px 12px;
  border-left: 1px solid var(--line);
  background: var(--paper-2);
}
.rp-body::-webkit-scrollbar { width: 6px; }
.rp-body::-webkit-scrollbar-thumb { background: var(--line); border-radius: 3px; }
.inspector-tabs {
  position: sticky;
  top: 0;
  z-index: 6;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
  background: var(--paper-2);
}
.inspector-tab {
  min-height: 26px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper);
  color: var(--ink-mute);
  font-size: 11px;
  font-weight: 500;
}
.inspector-tab:hover {
  border-color: var(--blue-dim);
  color: var(--ink);
}
.inspector-tab.active {
  border-color: var(--blue-dim);
  background: var(--blue-soft);
  color: var(--blue);
}
.rp-body[data-inspector-view="tools"] [data-panel-view="details"],
.rp-body[data-inspector-view="tools"] .inspector-extra,
.rp-body[data-inspector-view="details"] [data-panel-view="tools"] {
  display: none;
}

.rp-section {
  padding: 9px 0 8px;
  border-bottom: 1px solid var(--line);
}
.rp-section:last-child { border-bottom: none; }
.rp-section .label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  color: var(--ink-mute);
  text-transform: none;
  letter-spacing: 0;
  font-weight: 500;
  margin-bottom: 6px;
}
.rp-section .label .count {
  font-family: var(--mono);
  font-size: 10px;
  text-transform: none;
  letter-spacing: 0;
}

.job-controls {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 4px;
  margin-bottom: 7px;
}
.job-op {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  min-height: 26px;
  padding: 0 6px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper);
  color: var(--ink-mute);
  font-size: 10.75px;
  font-weight: 520;
  text-decoration: none;
  white-space: nowrap;
}
.job-op:hover {
  border-color: var(--blue-dim);
  color: var(--blue);
}
.job-op.is-primary {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
}
.job-op.is-danger:not(:disabled) {
  border-color: rgba(185, 64, 64, 0.3);
  color: #9f3131;
}
.job-op:disabled,
.job-op.is-disabled,
.job-op[aria-disabled="true"] {
  opacity: 0.48;
  pointer-events: none;
}

.lineage-compare {
  margin: -3px 0 8px;
  color: var(--ink-soft);
  font-size: 11.5px;
  line-height: 1.35;
}
.edit-lineage-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 24px minmax(0, 1fr);
  gap: 7px;
  align-items: stretch;
}
.edit-lineage-node {
  min-width: 0;
  padding: 9px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  color: var(--ink-mute);
  text-align: left;
}
.edit-lineage-node:hover {
  border-color: var(--blue-dim);
  color: var(--ink);
}
.edit-lineage-node.active {
  background: var(--blue-soft);
  border-color: var(--blue);
}
.edit-lineage-node:disabled {
  cursor: default;
  opacity: 0.6;
}
.edit-lineage-node span,
.edit-lineage-node em,
.edit-lineage-meta span {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.edit-lineage-node span {
  font-size: 10.5px;
  color: var(--ink-soft);
}
.edit-lineage-node b {
  display: block;
  margin-top: 1px;
  color: var(--ink);
  font-size: 12.5px;
  font-weight: 560;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.edit-lineage-node em {
  margin-top: 3px;
  font-style: normal;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-soft);
}
.edit-lineage-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 13px;
}
.compare-modebar {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
  margin-top: 8px;
}
.compare-modebar button {
  min-height: 30px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--paper);
  color: var(--ink-mute);
  font-size: 12px;
  font-weight: 500;
}
.compare-modebar button:hover {
  border-color: var(--blue-dim);
  color: var(--ink);
}
.compare-modebar button.active {
  border-color: var(--blue);
  background: var(--blue-soft);
  color: var(--blue);
}
.compare-modebar button:disabled {
  cursor: default;
  opacity: 0.5;
}
.edit-lineage-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 7px;
  margin-top: 8px;
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--ink-soft);
}

/* UV preview canvas */
.uv-preview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.uv-tile {
  aspect-ratio: 1 / 1;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #FFFFFC;
  position: relative;
  overflow: hidden;
}
.uv-tile .uv-label {
  position: absolute;
  bottom: 5px;
  left: 7px;
  font-family: var(--mono);
  font-size: 9.5px;
  color: var(--ink-soft);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.uv-tile svg { width: 100%; height: 100%; display: block; }
.uv-tile .checker {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(45deg, var(--paper-3) 25%, transparent 25%),
    linear-gradient(-45deg, var(--paper-3) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, var(--paper-3) 75%),
    linear-gradient(-45deg, transparent 75%, var(--paper-3) 75%);
  background-size: 12px 12px;
  background-position: 0 0, 0 6px, 6px -6px, -6px 0;
  opacity: 0.5;
}

.texture-status-list {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: var(--paper-2);
}
.texture-status-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 10px;
  border-bottom: 1px solid var(--line);
  font-size: 12px;
}
.texture-status-row:last-child { border-bottom: 0; }
.texture-status-row span {
  color: var(--ink-soft);
}
.texture-status-row b {
  color: var(--ink);
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 500;
  text-align: right;
}

.pipeline-timeline {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: var(--paper-2);
}
.pipeline-event {
  display: grid;
  grid-template-columns: 72px minmax(82px, 0.55fr) minmax(0, 1fr);
  gap: 9px;
  align-items: center;
  min-height: 34px;
  padding: 8px 10px;
  border-bottom: 1px solid var(--line);
  font-size: 12px;
}
.pipeline-event:last-child {
  border-bottom: 0;
}
.pipeline-event span {
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 10.5px;
}
.pipeline-event b {
  color: var(--ink);
  font-size: 12px;
  font-weight: 500;
}
.pipeline-event small {
  min-width: 0;
  overflow: hidden;
  color: var(--ink-mute);
  font-size: 11.5px;
  line-height: 1.35;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.pipeline-event.is-current {
  background: var(--paper);
}
.pipeline-event.is-current b {
  color: var(--blue);
}
.pipeline-event.is-terminal b {
  color: var(--ink);
}
.pipeline-event.is-muted b,
.pipeline-event.is-muted small {
  color: var(--ink-soft);
}

.part-targets {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}
.part-target {
  min-height: 32px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--paper);
  color: var(--ink-mute);
  font-size: 12px;
  padding: 0 8px;
}
.part-target:hover {
  border-color: var(--blue-dim);
  color: var(--ink);
}
.part-target.active {
  background: var(--blue-soft);
  border-color: var(--blue-dim);
  color: var(--blue);
}
.selection-readout {
  display: grid;
  grid-template-columns: 70px minmax(0, 1fr) 56px;
  align-items: center;
  gap: 8px;
  min-height: 34px;
  margin-top: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  padding: 0 6px 0 10px;
}
.selection-readout span {
  color: var(--ink-soft);
  font-size: 12px;
}
.selection-readout b {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 500;
}
.selection-readout button {
  min-height: 24px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--paper-2);
  color: var(--ink-soft);
  font-size: 11px;
}
.selection-readout button:not(:disabled):hover {
  border-color: var(--blue-dim);
  color: var(--blue);
}
.selection-readout button:disabled {
  opacity: 0.48;
  cursor: default;
}
.mask-controls {
  display: grid;
  gap: 6px;
  margin-top: 8px;
}
.mask-controls label {
  min-height: 32px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) 44px;
  align-items: center;
  gap: 8px;
  padding: 0 8px 0 10px;
}
.mask-controls span {
  color: var(--ink-soft);
  font-size: 12px;
}
.mask-controls input {
  width: 100%;
  min-width: 0;
  accent-color: var(--blue);
}
.mask-controls b {
  color: var(--ink);
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 500;
  text-align: right;
}

.view-preset-grid,
.display-modebar {
  display: grid;
  gap: 6px;
}
.view-preset-grid {
  grid-template-columns: repeat(4, 1fr);
}
.display-modebar {
  grid-template-columns: repeat(4, 1fr);
  margin-top: 8px;
}
.view-preset,
.display-mode,
.helper-toggle {
  min-height: 32px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--paper);
  color: var(--ink-mute);
  font-size: 12px;
  padding: 0 6px;
}
.view-preset:hover,
.display-mode:hover,
.helper-toggle:hover {
  border-color: var(--blue-dim);
  color: var(--ink);
}
.view-preset.active,
.display-mode.active,
.helper-toggle.active {
  background: var(--blue-soft);
  border-color: var(--blue-dim);
  color: var(--blue);
}
.helper-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
  margin-top: 8px;
  align-items: center;
}
.lighting-control {
  grid-column: 1 / -1;
  min-height: 32px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--paper);
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) 38px;
  align-items: center;
  gap: 8px;
  padding: 0 8px;
  color: var(--ink-soft);
  font-size: 12px;
}
.lighting-control input {
  width: 100%;
  min-width: 0;
  accent-color: var(--blue);
}
.lighting-control b {
  color: var(--ink);
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 500;
  text-align: right;
}

.editor-modebar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}
.selection-modebar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin-bottom: 8px;
}
.editor-mode {
  min-height: 32px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--paper);
  color: var(--ink-mute);
  font-size: 12px;
  padding: 0 6px;
}
.editor-mode:hover {
  border-color: var(--blue-dim);
  color: var(--ink);
}
.editor-mode.active {
  background: var(--blue-soft);
  border-color: var(--blue-dim);
  color: var(--blue);
}
.editor-command-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 52px;
  gap: 6px;
  margin-top: 8px;
}
.editor-command-row input {
  width: 100%;
  min-width: 0;
  height: 30px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--paper);
  color: var(--ink);
  font-size: 12px;
  padding: 0 9px;
}
.editor-command-row input:focus {
  outline: 2px solid var(--blue-soft);
  border-color: var(--blue-dim);
}
.editor-command-row button,
.editor-commandbar button {
  min-height: 30px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--paper);
  color: var(--ink-mute);
  font-size: 12px;
  padding: 0 7px;
}
.editor-command-row button:hover,
.editor-commandbar button:hover {
  border-color: var(--blue-dim);
  color: var(--ink);
}
.editor-commandbar {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
  margin-top: 8px;
}
.selection-mode,
.axis-constraint {
  min-height: 30px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--paper);
  color: var(--ink-mute);
  font-size: 12px;
  padding: 0 6px;
}
.selection-mode:hover,
.axis-constraint:hover {
  border-color: var(--blue-dim);
  color: var(--ink);
}
.selection-mode.active,
.axis-constraint.active {
  background: var(--blue-soft);
  border-color: var(--blue-dim);
  color: var(--blue);
}
.scene-asset {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(96px, 0.62fr);
  gap: 8px;
  margin-bottom: 8px;
}
.scene-asset div,
.inspector-grid div {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  padding: 8px 9px;
}
.scene-asset span,
.inspector-grid span {
  display: block;
  margin-bottom: 4px;
  color: var(--ink-soft);
  font-size: 11.5px;
}
.scene-asset b,
.inspector-grid b {
  display: block;
  min-width: 0;
  overflow: hidden;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 500;
  line-height: 1.35;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.outliner-list {
  margin-top: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: var(--paper);
}
.outliner-row {
  width: 100%;
  min-height: 30px;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--ink);
  font-size: 12px;
  padding: 0 10px;
}
.outliner-row:last-child { border-bottom: 0; }
.outliner-row b {
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 500;
  min-width: 0;
  overflow: hidden;
  text-align: right;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.outliner-row.active { background: var(--paper-2); }
.outliner-row.is-hidden {
  color: var(--ink-soft);
}
.outliner-row.is-locked b {
  color: var(--ink);
}
.scene-actions {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 6px;
  margin-top: 8px;
}
.scene-actions button {
  min-height: 30px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--paper);
  color: var(--ink-mute);
  font-size: 12px;
}
.scene-actions button:hover:not(:disabled) {
  border-color: var(--blue-dim);
  color: var(--ink);
}
.scene-actions button:disabled {
  opacity: 0.46;
  cursor: default;
}
.inspector-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: 8px;
}
.transform-grid {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: var(--paper);
}
.transform-row {
  display: grid;
  grid-template-columns: 58px repeat(3, minmax(0, 1fr));
  align-items: center;
  gap: 6px;
  border-bottom: 1px solid var(--line);
  padding: 7px 8px;
}
.transform-row:last-child { border-bottom: 0; }
.transform-row span {
  color: var(--ink-soft);
  font-size: 12px;
}
.transform-row input {
  width: 100%;
  min-width: 0;
  height: 28px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper-2);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 11px;
  padding: 0 6px;
}
.transform-row input:focus {
  outline: 2px solid var(--blue-soft);
  border-color: var(--blue-dim);
}
.transform-row input:disabled {
  color: var(--ink-soft);
  background: var(--paper-3);
  cursor: not-allowed;
}
.transform-settings,
.axis-constraintbar,
.snap-grid {
  display: grid;
  gap: 6px;
  margin-top: 8px;
}
.transform-settings {
  grid-template-columns: 74px minmax(0, 1fr) minmax(0, 1fr);
}
.axis-constraintbar {
  grid-template-columns: repeat(4, 1fr);
}
.snap-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.transform-settings label,
.snap-grid label {
  min-width: 0;
  min-height: 30px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--paper);
  display: grid;
  align-items: center;
  gap: 6px;
  padding: 0 8px;
  color: var(--ink-soft);
  font-size: 12px;
}
.transform-settings label {
  grid-template-columns: auto minmax(0, 1fr);
}
.transform-settings .transform-toggle {
  grid-template-columns: auto 1fr;
}
.transform-settings input[type="checkbox"] {
  accent-color: var(--blue);
}
.transform-settings select,
.snap-grid input {
  width: 100%;
  min-width: 0;
  height: 24px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper-2);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 10.5px;
  padding: 0 6px;
}
.snap-grid label {
  grid-template-columns: 42px minmax(0, 1fr);
}
.transform-actions,
.mesh-operations {
  display: grid;
  gap: 6px;
  margin-top: 8px;
}
.transform-actions {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.mesh-operations {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.transform-actions button,
.mesh-operations button {
  min-height: 30px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--paper);
  color: var(--ink-mute);
  font-size: 12px;
  padding: 0 7px;
}
.transform-actions button:hover:not(:disabled),
.mesh-operations button:hover:not(:disabled) {
  border-color: var(--blue-dim);
  color: var(--ink);
}
.transform-actions button:disabled,
.mesh-operations button:disabled {
  opacity: 0.46;
  cursor: default;
}
.material-presets {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  margin-top: 8px;
}
.material-chip {
  min-height: 30px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--paper);
  color: var(--ink-mute);
  font-size: 12px;
}
.material-chip:hover {
  border-color: var(--blue-dim);
  color: var(--ink);
}
.material-chip.active {
  background: var(--blue-soft);
  border-color: var(--blue-dim);
  color: var(--blue);
}
.material-apply {
  width: 100%;
  min-height: 30px;
  margin-top: 8px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--paper);
  color: var(--ink-mute);
  font-size: 12px;
}
.material-apply:hover:not(:disabled) {
  border-color: var(--blue-dim);
  color: var(--ink);
}
.material-apply:disabled {
  opacity: 0.46;
  cursor: default;
}
.editor-operation-list {
  margin-top: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: var(--paper);
}
.editor-operation-row,
.editor-operation-empty {
  min-height: 30px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 0 10px;
  color: var(--ink);
  font-size: 12px;
}
.editor-operation-row:last-child,
.editor-operation-empty:last-child {
  border-bottom: 0;
}
.editor-operation-row b {
  max-width: 52%;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 500;
  overflow: hidden;
  text-align: right;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.editor-operation-empty {
  justify-content: flex-start;
  color: var(--ink-soft);
}
.edit-brief-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: 8px;
}
.edit-brief-row {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  padding: 8px 9px;
}
.edit-brief-row.is-wide {
  grid-column: 1 / -1;
}
.edit-brief-row span {
  display: block;
  margin-bottom: 4px;
  color: var(--ink-soft);
  font-size: 11.5px;
}
.edit-brief-row b {
  display: block;
  min-width: 0;
  overflow: hidden;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 500;
  line-height: 1.35;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* export row */
.export-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}
.export-fmt {
  padding: 7px 4px;
  border: 1px solid var(--line);
  background: var(--paper);
  border-radius: 7px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-2);
  letter-spacing: 0.02em;
  text-align: center;
}
.export-fmt:hover { background: var(--blue-soft); color: var(--blue); border-color: var(--blue-dim); }
.export-fmt:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}
.export-fmt:disabled:hover {
  background: var(--paper);
  color: var(--ink-2);
  border-color: var(--line);
}
.export-fmt.recommended {
  background: var(--blue-soft);
  color: var(--blue);
  border-color: transparent;
}
.export-row {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}
.export-row .download {
  flex: 1;
  padding: 9px 12px;
  background: var(--ink);
  color: var(--paper);
  border: none;
  border-radius: 8px;
  font-size: 12.5px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.export-row .download:hover { background: #0A1320; }
.export-row .download svg { width: 14px; height: 14px; }
.export-row .copy-stats {
  min-width: 92px;
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  color: var(--ink-mute);
  font-size: 12px;
}
.export-row .copy-stats:hover {
  border-color: var(--blue-dim);
  color: var(--ink);
}
.delivery-assets {
  margin-top: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper-2);
  overflow: hidden;
}
.delivery-empty {
  padding: 8px 10px;
  color: var(--ink-soft);
  font-size: 11.5px;
}
.delivery-asset {
  width: 100%;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
  padding: 7px 10px;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  font: inherit;
  text-align: left;
}
.delivery-asset:last-child { border-bottom: 0; }
.delivery-asset:hover {
  background: var(--hover);
}
.delivery-asset div { min-width: 0; }
.delivery-asset[aria-disabled="true"] {
  color: var(--ink-soft);
  cursor: not-allowed;
}
.delivery-asset span {
  display: block;
  min-width: 0;
  overflow: hidden;
  font-size: 12px;
  font-weight: 500;
  line-height: 1.25;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.delivery-asset b {
  display: block;
  margin-top: 2px;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 500;
  line-height: 1.25;
}
.delivery-asset em {
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 10.5px;
  font-style: normal;
  font-weight: 500;
}

.edit-panel {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 9px 11px;
}
.edit-panel textarea {
  width: 100%;
  resize: vertical;
  min-height: 72px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper-2);
  color: var(--ink);
  font: inherit;
  font-size: 12.5px;
  line-height: 1.45;
  padding: 8px 9px;
  outline: none;
}
.edit-panel textarea:focus {
  border-color: var(--blue-dim);
  box-shadow: 0 0 0 3px var(--blue-glow);
}
.edit-guidance {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) 28px;
  align-items: center;
  gap: 9px;
  margin-top: 8px;
  padding: 7px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper-2);
}
.edit-guidance[hidden] {
  display: none;
}
.edit-guidance img {
  width: 42px;
  height: 42px;
  border-radius: 6px;
  object-fit: cover;
  background: var(--paper-3);
  border: 1px solid var(--line);
}
.edit-guidance-meta {
  min-width: 0;
  display: grid;
  gap: 1px;
}
.edit-guidance-meta b,
.edit-guidance-meta span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.edit-guidance-meta b {
  font-size: 12px;
  font-weight: 560;
  color: var(--ink);
}
.edit-guidance-meta span {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--ink-soft);
}
.edit-options {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 8px;
  color: var(--ink-mute);
  font-size: 12px;
}
.edit-options label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.edit-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 9px;
}
.edit-note {
  margin: 8px 0 0;
  color: var(--ink-soft);
  font-size: 11.5px;
  line-height: 1.4;
}

/* topo info */
.topo-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.topo-cell {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
}
.topo-cell .k {
  font-size: 10.5px;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.topo-cell .v {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  margin-top: 2px;
}
.topo-cell.is-wide {
  grid-column: span 2;
}

/* ── marketing pages base ─────────────────────────────── */
.site {
  min-height: 100vh;
  background: var(--paper);
  display: flex;
  flex-direction: column;
}
.site-header {
  display: flex;
  align-items: center;
  padding: 12px 28px;
  gap: 18px;
  border-bottom: 1px solid var(--line);
  background: rgba(251,251,248,0.9);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 50;
}
.site-header .nav {
  display: flex;
  gap: 2px;
  margin-left: 20px;
}
.site-header .nav a {
  font-size: 13px;
  color: var(--ink-mute);
  padding: 5px 9px;
  border-radius: 6px;
}
.site-header .nav a:hover, .site-header .nav a.active { color: var(--ink); }
.site-header .spacer { flex: 1; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 7px 12px;
  border-radius: 7px;
  font-size: 12.5px;
  font-weight: 500;
  transition: background 120ms;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: inherit;
  white-space: nowrap;
}
.btn-ghost { color: var(--ink); background: transparent; }
.btn-ghost:hover { background: var(--hover); }
.btn-primary { background: var(--ink); color: var(--paper); }
.btn-primary:hover { background: #0A1320; }
.btn-blue { background: var(--blue); color: var(--paper-2); }
.btn-blue:hover { background: var(--blue-dim); }
.btn-outline { border-color: var(--line-strong); color: var(--ink); background: var(--paper-2); }
.btn-outline:hover { background: var(--paper-3); }

.page-shell {
  width: min(980px, calc(100vw - 40px));
  margin: 0 auto;
  padding: 30px 0 52px;
}
.page-hero {
  max-width: 660px;
  margin-bottom: 22px;
}
.page-hero h1 {
  font-family: var(--sans);
  font-size: 31px;
  line-height: 1.12;
  font-weight: 500;
  margin: 0 0 10px;
  letter-spacing: 0;
}
.page-hero h1 em {
  font-weight: 700;
}
.page-hero p {
  color: var(--ink-mute);
  font-size: 13.5px;
  line-height: 1.58;
  margin: 0;
}
.page-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.page-card {
  border: 1px solid var(--line);
  background: var(--paper-2);
  border-radius: 8px;
  padding: 14px;
}
.page-card h2,
.page-card h3 {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 16.5px;
  line-height: 1.16;
  margin: 0 0 8px;
  letter-spacing: 0;
}
.page-card p {
  margin: 0;
  color: var(--ink-mute);
  font-size: 13px;
  line-height: 1.55;
}
.page-card a {
  display: inline-flex;
  margin-top: 14px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 600;
}
.resource-list,
.legal-list {
  display: grid;
  gap: 8px;
}
.resource-row {
  display: grid;
  grid-template-columns: 140px 1fr auto;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--line);
  background: var(--paper-2);
  border-radius: 8px;
  padding: 12px 14px;
}
.resource-row .kind {
  font-family: var(--mono);
  color: var(--ink-soft);
  font-size: 11px;
}
.resource-row h2 {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 15.5px;
  line-height: 1.15;
  margin: 0 0 4px;
}
.resource-row p {
  margin: 0;
  color: var(--ink-mute);
  font-size: 13px;
}
.resource-row a {
  color: var(--blue);
  font-weight: 600;
  font-size: 13px;
}
.resource-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 292px;
  gap: 14px;
  align-items: start;
}
.resource-side {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper-2);
  padding: 14px;
}
.resource-side h2 {
  margin: 0 0 12px;
  font-family: var(--sans);
  font-size: 16.5px;
  line-height: 1.15;
  font-weight: 500;
}
.resource-updates {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.resource-updates li {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 10px;
  color: var(--ink-mute);
  font-size: 13px;
  line-height: 1.45;
}
.resource-updates time {
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 10.5px;
}
.resource-side-link {
  display: inline-flex;
  margin-top: 16px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 600;
}
.blog-index {
  display: grid;
  gap: 10px;
  max-width: 820px;
}
.blog-post {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper-2);
  padding: 16px 18px;
}
.blog-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 9px;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 10.5px;
}
.blog-post h2 {
  margin: 0 0 7px;
  font-family: var(--sans);
  font-size: 18.5px;
  line-height: 1.12;
  font-weight: 500;
}
.blog-post p {
  margin: 0;
  color: var(--ink-mute);
  font-size: 13.5px;
  line-height: 1.6;
}
.blog-post a {
  display: inline-flex;
  margin-top: 14px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 600;
}
.gallery-page-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}
.gallery-card {
  border: 1px solid var(--line);
  background: var(--paper-2);
  border-radius: 8px;
  overflow: hidden;
}
.gallery-card .mesh-stage {
  aspect-ratio: 1 / 1;
  background: radial-gradient(circle at 50% 34%, var(--paper) 0%, var(--paper-3) 78%);
}
.gallery-card canvas {
  width: 100%;
  height: 100%;
  display: block;
}
.gallery-card .caption {
  padding: 9px 11px 10px;
}
.gallery-card .caption b {
  display: block;
  font-size: 13px;
  margin-bottom: 2px;
}
.gallery-card .caption span {
  display: block;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 10.5px;
}
.doc-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 24px;
  align-items: start;
}
.doc-nav {
  position: sticky;
  top: 70px;
  display: grid;
  gap: 4px;
}
.doc-nav a {
  color: var(--ink-mute);
  font-size: 13px;
  padding: 6px 8px;
  border-radius: 6px;
}
.doc-nav a:hover {
  color: var(--ink);
  background: var(--hover);
}
.doc-content {
  border: 1px solid var(--line);
  background: var(--paper-2);
  border-radius: 8px;
  padding: 20px 22px;
}
.doc-content section + section {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}
.doc-content h2 {
  font-family: var(--sans);
  font-size: 18.5px;
  font-weight: 500;
  margin: 0 0 10px;
}
.doc-content p,
.doc-content li {
  color: var(--ink-mute);
  font-size: 13.25px;
  line-height: 1.6;
}
.doc-content code {
  font-family: var(--mono);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 1px 5px;
  color: var(--ink);
}
.legal-doc {
  max-width: 820px;
  border: 1px solid var(--line);
  background: var(--paper-2);
  border-radius: 8px;
  padding: 22px 24px;
}
.legal-doc h2 {
  font-family: var(--sans);
  font-size: 18px;
  font-weight: 500;
  margin: 28px 0 8px;
}
.legal-doc h2:first-child {
  margin-top: 0;
}
.legal-doc p,
.legal-doc li {
  color: var(--ink-mute);
  font-size: 13.25px;
  line-height: 1.6;
}

.library-toolbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 16px;
}
.library-toolbar h1 {
  font-family: var(--sans);
  font-size: 26px;
  line-height: 1.12;
  font-weight: 500;
  margin: 0 0 5px;
}
.library-toolbar h1 em {
  font-weight: 700;
}
.library-toolbar p {
  margin: 0;
  color: var(--ink-mute);
}
.library-controls {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}
.library-controls input,
.library-controls select {
  height: 32px;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  background: var(--paper-2);
  color: var(--ink);
  font: inherit;
  font-size: 12.5px;
  padding: 0 9px;
  outline: none;
}
.library-controls button {
  height: 32px;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  background: var(--paper-2);
  color: var(--ink);
  font: inherit;
  font-size: 12.5px;
  padding: 0 9px;
}
.library-controls input:focus,
.library-controls select:focus {
  border-color: var(--blue-dim);
  box-shadow: 0 0 0 3px var(--blue-glow);
}
.library-controls button:hover {
  border-color: var(--blue-dim);
  color: var(--blue);
}
.library-latest-toggle {
  height: 32px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  background: var(--paper-2);
  color: var(--ink-mute);
  font-size: 12.5px;
  padding: 0 9px;
  white-space: nowrap;
}
.library-latest-toggle input {
  width: auto;
  height: auto;
  padding: 0;
  accent-color: var(--blue);
}
.library-status {
  margin: -18px 0 18px;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 11px;
}
.library-status.is-error {
  color: #9B2D2D;
}
.library-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin: 0 0 12px;
}
.library-summary div {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper-2);
  padding: 8px 10px;
}
.library-summary span {
  display: block;
  margin-bottom: 2px;
  color: var(--ink-soft);
  font-size: 11px;
}
.library-summary b {
  display: block;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
}
.library-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 328px;
  gap: 12px;
  align-items: start;
}
.library-main {
  min-width: 0;
}
.version-groups {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 10px;
}
.version-groups button {
  min-height: 29px;
  max-width: 230px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--paper-2);
  color: var(--ink-mute);
  font-size: 12px;
  padding: 0 10px;
}
.version-groups button:hover {
  border-color: var(--blue-dim);
  color: var(--ink);
}
.version-groups button.active {
  background: var(--blue-soft);
  border-color: var(--blue-dim);
  color: var(--blue);
}
.version-groups button span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.version-groups button b {
  color: inherit;
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 500;
}
.library-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.library-pagination {
  min-height: 32px;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
}
.library-pagination button {
  height: 31px;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  background: var(--paper-2);
  color: var(--ink);
  font: inherit;
  font-size: 13px;
  padding: 0 12px;
}
.library-pagination button:hover {
  border-color: var(--blue-dim);
  color: var(--blue);
}
.library-pagination button:disabled {
  cursor: wait;
  color: var(--ink-soft);
}
.library-pagination span {
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 11px;
}
.library-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper-2);
  overflow: hidden;
  cursor: pointer;
}
.library-card:hover {
  border-color: var(--line-strong);
}
.library-card.selected {
  border-color: var(--blue-dim);
  background: var(--paper);
}
.library-preview {
  position: relative;
  aspect-ratio: 4 / 3;
  background: radial-gradient(circle at 50% 34%, var(--paper) 0%, var(--paper-3) 78%);
}
.library-preview canvas {
  width: 100%;
  height: 100%;
  display: block;
}
.library-preview img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 18px;
  background: var(--paper-3);
}
.library-card-body {
  padding: 10px 11px 12px;
}
.library-card-body b {
  display: block;
  font-size: 13px;
  margin-bottom: 3px;
}
.library-meta {
  display: block;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 10.5px;
}
.library-version {
  display: block;
  margin-top: 5px;
  min-height: 16px;
  color: var(--ink-mute);
  font-size: 12px;
}
.library-actions {
  display: grid;
  grid-template-columns: auto auto auto minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  margin-top: 9px;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 10.5px;
}
.library-actions a,
.library-actions button {
  border: 0;
  background: transparent;
  color: var(--blue);
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  line-height: inherit;
  padding: 0;
  white-space: nowrap;
}
.library-actions button {
  color: var(--ink-soft);
}
.library-actions button:hover {
  color: var(--ink);
}
.library-actions span {
  min-width: 0;
  overflow: hidden;
  text-align: right;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.library-empty {
  grid-column: 1 / -1;
  border: 1px solid var(--line);
  background: var(--paper-2);
  border-radius: 8px;
  padding: 20px;
  color: var(--ink-mute);
}
.library-empty b {
  display: block;
  color: var(--ink);
  margin-bottom: 4px;
}
.library-empty p {
  margin: 0 0 12px;
}
.library-empty a {
  color: var(--blue);
  font-weight: 600;
}
.library-detail {
  position: sticky;
  top: 18px;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper-2);
  overflow: hidden;
}
.library-detail-preview {
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--paper-3);
}
.library-detail-preview canvas {
  width: 100%;
  height: 100%;
  display: block;
}
.library-detail-preview img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 18px;
  background: var(--paper-3);
}
.library-detail-body {
  display: grid;
  gap: 9px;
  padding: 12px;
}
.library-detail-kicker {
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 10.5px;
}
.library-detail h2 {
  margin: 0;
  font-size: 16.5px;
  font-weight: 500;
  line-height: 1.25;
}
.library-detail p {
  margin: 0;
  color: var(--ink-mute);
  font-size: 13px;
  line-height: 1.45;
}
.library-detail-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
  margin: 0;
}
.library-detail-stats div {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--paper);
  padding: 7px 8px;
}
.library-detail-stats dt {
  color: var(--ink-soft);
  font-size: 11px;
}
.library-detail-stats dd {
  min-width: 0;
  overflow: hidden;
  margin: 2px 0 0;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 10.5px;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.library-project-row {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 8px;
  align-items: center;
}
.library-project-row label {
  color: var(--ink-soft);
  font-size: 12px;
}
.library-project-row select {
  min-width: 0;
  height: 32px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--paper);
  color: var(--ink);
  font: inherit;
  font-size: 12px;
  padding: 0 8px;
}
.library-project-row select:disabled {
  color: var(--ink-soft);
}
.library-lineage {
  display: grid;
  gap: 7px;
}
.library-lineage-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  gap: 6px;
  align-items: stretch;
}
.library-lineage-node {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--paper);
  color: var(--ink);
  text-align: left;
  padding: 8px;
}
.library-lineage-node.active {
  border-color: var(--blue-dim);
  background: var(--blue-soft);
}
.library-lineage-node.is-empty {
  color: var(--ink-soft);
}
.library-lineage-node span,
.library-lineage-meta span {
  display: block;
  color: var(--ink-soft);
  font-size: 10.5px;
}
.library-lineage-node b {
  display: block;
  min-width: 0;
  overflow: hidden;
  margin-top: 3px;
  font-size: 12px;
  font-weight: 500;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.library-lineage-node em {
  display: block;
  min-width: 0;
  overflow: hidden;
  margin-top: 3px;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 10px;
  font-style: normal;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.library-lineage-arrow {
  align-self: center;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 11px;
}
.library-lineage-meta,
.library-lineage-empty {
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--paper);
  padding: 8px 9px;
}
.library-lineage-meta {
  display: grid;
  gap: 4px;
}
.library-lineage-empty {
  color: var(--ink-soft);
  font-size: 12px;
}
.library-version-timeline,
.library-artifact-list {
  display: grid;
  gap: 6px;
}
.library-version-timeline {
  border-top: 1px solid var(--line);
  padding-top: 10px;
}
.library-version-timeline button,
.library-artifact-row,
.library-timeline-empty,
.library-artifact-empty {
  min-width: 0;
  min-height: 32px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--paper);
}
.library-version-timeline button {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
  color: var(--ink);
  text-align: left;
  padding: 0 9px;
}
.library-version-timeline button.active {
  border-color: var(--blue-dim);
  background: var(--blue-soft);
}
.library-version-timeline button span {
  color: var(--blue);
  font-family: var(--mono);
  font-size: 10.5px;
}
.library-version-timeline button b {
  min-width: 0;
  overflow: hidden;
  font-size: 12px;
  font-weight: 500;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.library-version-timeline button small {
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 10px;
  white-space: nowrap;
}
.library-artifact-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
  color: var(--ink);
  padding: 0 9px;
}
.library-artifact-row:hover {
  border-color: var(--blue-dim);
}
.library-artifact-row span {
  min-width: 0;
  overflow: hidden;
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.library-artifact-row b {
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 500;
}
.library-timeline-empty,
.library-artifact-empty {
  display: flex;
  align-items: center;
  color: var(--ink-soft);
  font-size: 12px;
  padding: 0 9px;
}
.library-detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.library-detail-actions a,
.library-detail-actions button {
  min-height: 30px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--paper);
  color: var(--ink);
  font-size: 12px;
  font-weight: 500;
  padding: 6px 9px;
}
.library-detail-actions a:first-child {
  border-color: var(--blue-dim);
  color: var(--blue);
}
.library-detail-actions a:hover,
.library-detail-actions button:hover {
  border-color: var(--blue-dim);
}
.library-detail-actions button {
  color: var(--ink-soft);
}

.activity-shell {
  width: min(1080px, calc(100vw - 40px));
  margin: 0 auto;
  padding: 32px 0 58px;
}
.activity-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 14px;
}
.activity-header h1 {
  margin: 0 0 7px;
  font-family: var(--sans);
  font-size: 26px;
  line-height: 1.12;
  font-weight: 400;
  letter-spacing: 0;
}
.activity-header p {
  max-width: 600px;
  margin: 0;
  color: var(--ink-mute);
  font-size: 13.5px;
  line-height: 1.55;
}
.activity-status {
  min-height: 20px;
  color: var(--ink-mute);
  font-size: 12.5px;
  text-align: right;
}
.activity-status.is-error {
  color: #9B2D2D;
}
.activity-toolbar {
  display: grid;
  grid-template-columns: 164px minmax(220px, 1fr) auto;
  gap: 8px;
  align-items: end;
  margin-bottom: 12px;
}
.activity-toolbar label {
  display: grid;
  gap: 5px;
  color: var(--ink-soft);
  font-size: 12px;
}
.activity-toolbar select,
.activity-toolbar input {
  height: 32px;
  min-width: 0;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  background: var(--paper-2);
  color: var(--ink);
  font: inherit;
  font-size: 12.5px;
  padding: 0 9px;
  outline: none;
}
.activity-toolbar select:focus,
.activity-toolbar input:focus {
  border-color: var(--blue-dim);
  box-shadow: 0 0 0 3px var(--blue-glow);
}
.activity-toolbar button {
  min-height: 32px;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  background: var(--paper-2);
  color: var(--ink);
  font: inherit;
  font-size: 12.5px;
  font-weight: 500;
  padding: 0 12px;
}
.activity-toolbar button:hover {
  border-color: var(--blue-dim);
  color: var(--blue);
}
.activity-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 12px;
  align-items: start;
}
.activity-table-card,
.activity-detail {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper-2);
}
.activity-table-card {
  overflow: hidden;
}
.activity-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.activity-table th,
.activity-table td {
  border-bottom: 1px solid var(--line);
  padding: 9px 10px;
  text-align: left;
  vertical-align: middle;
}
.activity-table th {
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 500;
}
.activity-table tbody tr {
  cursor: pointer;
}
.activity-table tbody tr:hover,
.activity-table tbody tr.selected {
  background: var(--paper);
}
.activity-table td:first-child b {
  display: block;
  max-width: 360px;
  overflow: hidden;
  color: var(--ink);
  font-weight: 500;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.activity-table td:first-child span {
  display: block;
  margin-top: 2px;
  color: var(--ink-soft);
  font-size: 12px;
}
.activity-table td:nth-child(3),
.activity-table td:nth-child(4),
.activity-table td:nth-child(5) {
  color: var(--ink-mute);
  font-family: var(--mono);
  font-size: 10.5px;
}
.activity-badge {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--paper);
  color: var(--ink-mute);
  font-size: 11.5px;
  padding: 0 7px;
}
.activity-badge[data-status="succeeded"] {
  border-color: rgba(46, 111, 75, 0.24);
  color: #2E6F4B;
}
.activity-badge[data-status="failed"],
.activity-badge[data-status="cancelled"] {
  border-color: rgba(155, 45, 45, 0.22);
  color: #9B2D2D;
}
.activity-badge[data-status="queued"],
.activity-badge[data-status="running"],
.activity-badge[data-status="cancelling"] {
  border-color: var(--blue-dim);
  color: var(--blue);
}
.activity-empty {
  padding: 20px;
  color: var(--ink-mute);
}
.activity-empty b,
.activity-detail-empty b {
  display: block;
  color: var(--ink);
  margin-bottom: 4px;
}
.activity-empty p,
.activity-detail-empty p {
  margin: 0 0 12px;
  font-size: 13px;
  line-height: 1.55;
}
.activity-empty a {
  color: var(--blue);
  font-size: 13px;
  font-weight: 600;
}
.activity-pagination {
  min-height: 42px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-top: 1px solid var(--line);
  padding: 8px 10px;
}
.activity-pagination button {
  height: 30px;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  background: var(--paper);
  color: var(--ink);
  font: inherit;
  font-size: 12.5px;
  font-weight: 500;
  padding: 0 11px;
}
.activity-pagination button:hover {
  border-color: var(--blue-dim);
  color: var(--blue);
}
.activity-pagination button:disabled {
  cursor: wait;
  color: var(--ink-soft);
}
.activity-pagination span {
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 10.5px;
}
.activity-detail {
  position: sticky;
  top: 18px;
  padding: 14px;
}
.activity-detail-empty {
  color: var(--ink-mute);
}
.activity-detail-head {
  display: grid;
  gap: 4px;
  margin-bottom: 13px;
}
.activity-detail-head span {
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 10.5px;
  overflow-wrap: anywhere;
}
.activity-detail-head h2 {
  margin: 0;
  font-size: 18px;
  line-height: 1.25;
  font-weight: 500;
}
.activity-detail-head p {
  margin: 0;
  color: var(--ink-mute);
  font-size: 13px;
}
.activity-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
  margin: 0 0 12px;
}
.activity-detail-grid div {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--paper);
  padding: 8px 9px;
}
.activity-detail-grid dt {
  color: var(--ink-soft);
  font-size: 11px;
}
.activity-detail-grid dd {
  min-width: 0;
  overflow: hidden;
  margin: 2px 0 0;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 10.5px;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.activity-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 14px;
}
.activity-actions a,
.activity-actions button {
  min-height: 30px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--paper);
  color: var(--ink);
  font: inherit;
  font-size: 12px;
  font-weight: 500;
  padding: 6px 9px;
}
.activity-actions a:hover,
.activity-actions button:hover {
  border-color: var(--blue-dim);
  color: var(--blue);
}
.activity-actions .primary {
  border-color: var(--blue-dim);
  color: var(--blue);
}
.activity-actions button {
  border-color: rgba(155, 45, 45, 0.22);
  color: #9B2D2D;
}
.activity-detail-section {
  border-top: 1px solid var(--line);
  padding-top: 12px;
  margin-top: 12px;
}
.activity-detail-section h3 {
  margin: 0 0 8px;
  font-size: 13px;
  font-weight: 600;
}
.activity-events,
.activity-artifacts {
  display: grid;
  gap: 6px;
}
.activity-event {
  display: grid;
  grid-template-columns: 86px minmax(84px, 0.6fr) minmax(0, 1fr);
  gap: 8px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--paper);
  padding: 7px 8px;
}
.activity-event span,
.activity-artifact b {
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 10px;
}
.activity-event b {
  min-width: 0;
  overflow: hidden;
  color: var(--ink);
  font-size: 12px;
  font-weight: 500;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.activity-event p {
  min-width: 0;
  overflow: hidden;
  margin: 0;
  color: var(--ink-mute);
  font-size: 11.5px;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.activity-artifact,
.activity-artifact-empty {
  min-height: 32px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--paper);
  padding: 7px 9px;
}
.activity-artifact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
  color: var(--ink);
}
.activity-artifact:hover {
  border-color: var(--blue-dim);
}
.activity-artifact span {
  min-width: 0;
  overflow: hidden;
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.activity-artifact-empty {
  color: var(--ink-soft);
  font-size: 12px;
}

.clearmesh-final-link {
  color: var(--blue);
  font-weight: 600;
  text-decoration: none;
}
.clearmesh-final-link:hover { text-decoration: underline; }

.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px 28px 24px;
  background: var(--paper);
  margin-top: auto;
}
.footer-row {
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.3fr repeat(3, 1fr);
  gap: 28px;
}
.footer-col h5 {
  margin: 0 0 10px;
  font-size: 11px;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 500;
}
.footer-col a {
  display: block;
  font-size: 13px;
  color: var(--ink-mute);
  padding: 4px 0;
}
.footer-col a:hover { color: var(--ink); }
.footer-tag {
  font-family: var(--sans);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 0;
  color: var(--ink);
}
.footer-tag em { font-weight: 700; color: inherit; }
.footer-fine {
  font-size: 12px;
  color: var(--ink-soft);
  margin-top: 14px;
}
.footer-bottom {
  max-width: 1080px;
  margin: 26px auto 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--ink-soft);
}

/* Dynamic Studio state */
.cm-auth-gate {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
  background: rgba(254, 254, 252, 0.94);
}
.cm-auth-card {
  width: min(340px, calc(100vw - 32px));
  display: grid;
  gap: 10px;
  padding: 18px;
  background: var(--paper-2);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-card);
}
.cm-auth-brand {
  font-family: var(--sans);
  font-size: 19px;
  font-weight: 500;
  margin-bottom: 6px;
}
.cm-auth-card label {
  font-size: 12px;
  color: var(--ink-mute);
}
.cm-auth-card input {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-sm);
  background: var(--paper);
  padding: 9px 10px;
  color: var(--ink);
  outline: none;
}
.cm-auth-card input:focus { border-color: var(--blue-dim); }
.cm-auth-challenge {
  min-height: 0;
}
.cm-auth-challenge:not([hidden]) {
  display: block;
  margin: 2px 0;
}
.cm-auth-challenge.is-error {
  border: 1px solid rgba(141, 44, 44, 0.24);
  border-radius: var(--r-sm);
  color: #8d2c2c;
  font-size: 12px;
  padding: 8px 10px;
}
.cm-auth-card button {
  margin-top: 6px;
  border: 0;
  border-radius: var(--r-sm);
  background: var(--ink);
  color: var(--paper-2);
  padding: 10px 12px;
}
.cm-auth-card button:disabled {
  cursor: not-allowed;
  opacity: 0.58;
}
.cm-auth-card p {
  min-height: 18px;
  margin: 0;
  color: #8d2c2c;
  font-size: 12px;
}
.cm-auth-card p.is-ok {
  color: #1f6f43;
}
.cm-empty-list {
  display: none;
  padding: 14px 12px;
  color: var(--ink-soft);
  font-size: 12px;
}
.sidebar:is(:hover, :focus-within) .cm-empty-list {
  display: block;
}
.cm-history-list {
  display: grid;
  gap: 6px;
  padding: 0 0 10px;
}
.cm-history-row {
  width: 100%;
  display: grid;
  grid-template-columns: 38px;
  gap: 0;
  align-items: center;
  padding: 0;
  border: 1px solid transparent;
  border-radius: 7px;
  background: transparent;
  color: var(--ink);
  text-align: left;
  transition: background 120ms ease, border-color 120ms ease, gap 150ms ease, padding 150ms ease;
}
.sidebar:is(:hover, :focus-within) .cm-history-row {
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 7px;
  padding: 3px;
}
.cm-history-row:hover,
.cm-history-row.active {
  background: var(--paper-2);
  border-color: var(--line);
}
.cm-history-thumb {
  width: 38px;
  height: 38px;
  display: block;
  position: relative;
  overflow: hidden;
  border-radius: var(--r-sm);
  background: var(--paper-3);
}
.cm-history-thumb canvas { width: 38px; height: 38px; display: block; }
.cm-history-text {
  display: none;
  min-width: 0;
  gap: 1px;
}
.sidebar:is(:hover, :focus-within) .cm-history-text {
  display: grid;
}
.cm-history-text b {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 11.5px;
  font-weight: 500;
}
.cm-history-text small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 10px;
}
.cm-empty-thread {
  max-width: 300px;
  margin: 0 auto;
  padding: 0 12px;
  color: var(--ink-mute);
  text-align: center;
}
.cm-empty-thread b {
  display: block;
  color: var(--ink);
  font-size: 17px;
  line-height: 1.22;
  font-weight: 520;
  margin-bottom: 6px;
}
.cm-empty-thread p {
  margin: 0;
  font-size: 12px;
}
.clearmesh-final-link {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 2px;
  font-weight: 500;
  white-space: nowrap;
}
.download:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

/* Studio density pass: keep editor controls compact and consistent. */
.right-panel button,
.right-panel input,
.right-panel select,
.right-panel textarea {
  font-size: 11px;
}
.right-panel button,
.right-panel .job-op,
.right-panel .part-target,
.right-panel .view-preset,
.right-panel .display-mode,
.right-panel .helper-toggle,
.right-panel .editor-mode,
.right-panel .selection-mode,
.right-panel .axis-constraint,
.right-panel .editor-command-row button,
.right-panel .editor-commandbar button,
.right-panel .transform-actions button,
.right-panel .mesh-operations button,
.right-panel .scene-actions button,
.right-panel .material-chip,
.right-panel .material-apply {
  min-height: 26px;
  border-radius: 6px;
  font-size: 10.75px;
  padding-left: 5px;
  padding-right: 5px;
}
.right-panel .editor-command-row input,
.right-panel .transform-row input,
.right-panel .transform-settings select,
.right-panel .snap-grid input,
.right-panel .library-project-row select {
  height: 24px;
  border-radius: 5px;
  font-size: 10px;
}
.right-panel .texture-status-row,
.right-panel .pipeline-event,
.right-panel .outliner-row,
.right-panel .selection-readout,
.right-panel .mask-controls label,
.right-panel .lighting-control,
.right-panel .transform-settings label,
.right-panel .snap-grid label,
.right-panel .editor-operation-row,
.right-panel .editor-operation-empty {
  min-height: 28px;
  font-size: 11px;
}
.right-panel .scene-asset div,
.right-panel .inspector-grid div,
.right-panel .edit-brief-row,
.right-panel .edit-lineage-node {
  padding: 6px 7px;
  border-radius: 7px;
}
.right-panel .transform-row {
  padding: 5px 6px;
}
.right-panel .view-preset-grid,
.right-panel .display-modebar,
.right-panel .editor-modebar,
.right-panel .selection-modebar,
.right-panel .part-targets,
.right-panel .transform-actions,
.right-panel .mesh-operations,
.right-panel .scene-actions,
.right-panel .material-presets,
.right-panel .mask-controls,
.right-panel .transform-settings,
.right-panel .axis-constraintbar,
.right-panel .snap-grid,
.right-panel .editor-commandbar {
  gap: 5px;
}

@media (max-width: 980px) {
  .site-header {
    padding: 12px 16px;
    gap: 12px;
    flex-wrap: wrap;
  }
  .site-header .nav {
    order: 3;
    width: 100%;
    margin-left: 0;
    overflow-x: auto;
  }
  .page-shell {
    width: min(100vw - 32px, 760px);
    padding-top: 28px;
  }
  .page-hero h1 {
    font-size: 28px;
  }
  .page-grid,
  .gallery-page-grid,
  .library-grid {
    grid-template-columns: 1fr 1fr;
  }
  .library-toolbar {
    align-items: flex-start;
    flex-direction: column;
  }
  .library-workspace {
    grid-template-columns: 1fr;
  }
  .library-detail {
    position: static;
  }
  .library-summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .library-lineage-panel {
    grid-template-columns: 1fr;
  }
  .library-lineage-arrow {
    justify-self: start;
  }
  .activity-layout {
    grid-template-columns: 1fr;
  }
  .activity-detail {
    position: static;
  }
  .resource-row {
    grid-template-columns: 1fr;
    gap: 6px;
  }
  .resource-layout {
    grid-template-columns: 1fr;
  }
  .doc-layout {
    grid-template-columns: 1fr;
  }
  .doc-nav {
    position: static;
    display: flex;
    overflow-x: auto;
  }
}

@media (max-width: 720px) {
  .app,
  .app.panel-open {
    height: auto;
    min-height: 100vh;
    grid-template-columns: 1fr;
    grid-template-rows: auto auto 1fr;
    grid-template-areas:
      "topbar"
      "left"
      "main";
    overflow: visible;
  }
  .topbar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    height: auto;
    padding: 10px 12px;
    gap: 10px;
  }
  .topbar .spacer {
    display: none;
  }
  .topbar .right {
    grid-column: 2;
    grid-row: 1;
    margin-left: 0;
  }
  .topbar .right .chip {
    display: none;
  }
  .topbar .nav {
    grid-column: 1 / -1;
    width: 100%;
    margin-left: 0;
    overflow-x: auto;
  }
  .sidebar {
    width: 100%;
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    box-shadow: none;
  }
  .sidebar:is(:hover, :focus-within) {
    width: 100%;
    box-shadow: none;
  }
  .sidebar .new-mesh,
  .sidebar:is(:hover, :focus-within) .new-mesh {
    width: calc(100% - 24px);
    margin: 9px 12px 7px;
    padding: 0 9px;
    justify-content: flex-start;
    border-radius: 8px;
    gap: 7px;
    font-size: 11.5px;
  }
  .sidebar .new-mesh kbd {
    display: inline-flex;
  }
  .sidebar .search,
  .sidebar .search:focus-within,
  .sidebar:is(:hover, :focus-within) .search {
    width: calc(100% - 24px);
    margin: 0 12px 7px;
  }
  .sidebar .search input {
    background: var(--paper-2);
    border-color: var(--line);
    opacity: 1;
  }
  .sidebar .search svg {
    left: 9px;
    transform: translateY(-50%);
  }
  .sidebar .scroller {
    max-height: 188px;
    padding: 3px 12px 12px;
  }
  .sidebar:is(:hover, :focus-within) .scroller {
    padding: 3px 12px 12px;
  }
  .sidebar .group-label {
    display: block;
  }
  .thumb-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .cm-empty-list {
    display: block;
  }
  .cm-history-row {
    grid-template-columns: 38px minmax(0, 1fr);
    gap: 7px;
    padding: 3px;
  }
  .cm-history-text {
    display: grid;
  }
  .sidebar .footer {
    padding: 8px 12px;
    justify-content: space-between;
    gap: 8px;
  }
  .sidebar .footer .credits {
    display: grid;
  }
  .sidebar .footer .upgrade {
    min-width: auto;
    min-height: 25px;
    font-size: 11px;
  }
  .sidebar .footer .upgrade::after {
    content: '';
    display: none;
  }
  .thread {
    padding: 14px 12px 132px;
  }
  .thread-inner {
    max-width: none;
  }
  .msg-user {
    max-width: 84%;
  }
  .mesh-card,
  .variations {
    max-width: min(100%, 292px);
    margin-left: auto;
    margin-right: auto;
  }
  .composer-wrap {
    position: fixed;
    padding: 10px 12px;
  }
  .main.is-empty-thread .composer-wrap {
    width: 100vw;
    max-width: 100vw;
    padding: 0 18px;
    align-self: center;
  }
  .composer {
    width: calc(100vw - 36px);
    max-width: calc(100vw - 36px);
  }
  .composer-quote {
    grid-template-columns: 1fr;
    align-items: start;
  }
  .composer-quote b {
    white-space: normal;
  }
  .composer-quote a {
    width: max-content;
  }
  .display-modebar {
    grid-template-columns: repeat(3, 1fr);
  }
  .pipeline-event {
    grid-template-columns: 1fr;
    gap: 3px;
  }
  .pipeline-event small {
    white-space: normal;
  }
  .viewer .viewer-status {
    grid-template-columns: auto auto auto;
  }
  .viewer .viewer-status span:last-child {
    grid-column: 1 / -1;
    justify-content: flex-start;
  }
  .helper-row {
    grid-template-columns: 1fr 1fr;
  }
  .lighting-control {
    grid-column: 1 / -1;
  }
  .topo-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .topo-cell.is-wide {
    grid-column: span 2;
  }
  .right-panel {
    grid-area: main;
    position: fixed;
    inset: 0;
    z-index: 80;
  }
  .app.panel-open .right-panel {
    display: flex;
    flex-direction: column;
  }
  .viewer {
    flex: 0 0 min(56vh, 420px);
    min-height: 260px;
  }
  .viewer .viewer-tools {
    flex-direction: row;
  }
  .rp-body {
    flex: 1;
    border-left: 0;
  }
  .page-grid,
  .gallery-page-grid,
  .library-grid {
    grid-template-columns: 1fr;
  }
  .library-controls {
    width: 100%;
    flex-direction: column;
  }
  .library-controls input,
  .library-controls select,
  .library-controls button,
  .library-latest-toggle {
    width: 100%;
  }
  .library-pagination {
    align-items: stretch;
    flex-direction: column;
  }
  .library-pagination button {
    width: 100%;
  }
  .library-summary {
    grid-template-columns: 1fr 1fr;
  }
  .activity-shell {
    width: min(100vw - 28px, 1180px);
    padding-top: 28px;
  }
  .activity-header {
    display: grid;
    gap: 12px;
    align-items: start;
  }
  .activity-status {
    text-align: left;
  }
  .activity-toolbar {
    grid-template-columns: 1fr;
  }
  .activity-table-card {
    overflow-x: auto;
  }
  .activity-pagination {
    align-items: stretch;
    flex-direction: column;
  }
  .activity-pagination button {
    width: 100%;
  }
  .activity-table {
    min-width: 680px;
  }
  .activity-event {
    grid-template-columns: 1fr;
    gap: 3px;
  }
  .activity-event p {
    white-space: normal;
  }
  .library-version-timeline button {
    grid-template-columns: 34px minmax(0, 1fr);
  }
  .library-version-timeline button small {
    grid-column: 2;
  }
  .footer-row {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .footer-bottom {
    display: grid;
    gap: 8px;
  }
}