:root {
  --paper: #eef1ec;
  --panel: #fbfaf5;
  --ink: #171a16;
  --muted: #687164;
  --line: #cbd2c4;
  --accent: #b9543c;
  --green: #4d765f;
  --blue: #3f607c;
  --pressed: #8c9288;
  --pressed-border: #aeb4aa;
  --pressed-ring: rgba(238, 241, 236, 0.2);
  --shadow: 0 18px 60px rgba(23, 26, 22, 0.12);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  overflow-x: hidden;
  min-height: 100vh;
  background:
    linear-gradient(90deg, rgba(23, 26, 22, 0.035) 1px, transparent 1px),
    linear-gradient(180deg, rgba(23, 26, 22, 0.035) 1px, transparent 1px),
    var(--paper);
  background-size: 28px 28px;
  color: var(--ink);
  font-family: ui-sans-serif, "Avenir Next", "Helvetica Neue", sans-serif;
}

button, input, textarea, select { font: inherit; }
button:disabled { cursor: wait; opacity: 0.64; transform: none; }

.shell {
  display: grid;
  grid-template-columns: minmax(260px, 320px) minmax(0, 1fr);
  gap: 18px;
  width: 100%;
  max-width: 100vw;
  min-height: 100vh;
  padding: 18px;
}

.panel {
  background: color-mix(in oklch, var(--panel), white 20%);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 18px;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 22px;
}

.brand span {
  color: var(--panel);
  background: var(--ink);
  border-radius: 4px;
  padding: 3px 7px;
  font-size: 12px;
  letter-spacing: 0;
}

.brand strong { font-size: 18px; font-weight: 650; }

label {
  display: grid;
  gap: 7px;
  margin: 12px 0;
  color: var(--muted);
  font-size: 12px;
}

.label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.help-tooltip {
  position: relative;
  display: inline-grid;
  place-items: center;
  width: 18px;
  height: 18px;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--muted);
  background: #fffdf7;
  cursor: help;
  font-size: 11px;
  line-height: 1;
}

.help-tooltip::after {
  content: attr(aria-label);
  position: absolute;
  right: 0;
  bottom: calc(100% + 8px);
  z-index: 20;
  width: 280px;
  max-width: min(280px, calc(100vw - 48px));
  padding: 9px 10px;
  border-radius: 6px;
  background: var(--ink);
  box-shadow: 0 12px 36px rgba(23, 26, 22, 0.24);
  color: var(--panel);
  font-size: 11px;
  font-weight: 400;
  line-height: 1.4;
  opacity: 0;
  pointer-events: none;
  transform: translateY(4px);
  transition: opacity 120ms ease, transform 120ms ease;
}

.help-tooltip:hover::after,
.help-tooltip:focus-visible::after {
  opacity: 1;
  transform: translateY(0);
}

input, textarea, select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fffdf7;
  color: var(--ink);
  padding: 10px 11px;
  outline: none;
}

textarea { resize: vertical; line-height: 1.45; }
input:focus, textarea:focus, select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(185, 84, 60, 0.12); }

.field-hint {
  color: var(--muted);
  font-size: 10px;
  line-height: 1.35;
}

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.output-options {
  align-items: end;
}
.output-options .toggle-row {
  min-height: 40px;
  margin: 12px 0;
}
.actions { display: grid; grid-template-columns: 1fr 0.7fr; gap: 10px; margin-top: 16px; }
.toggle-row {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-top: 14px;
}
.toggle-row input {
  width: 16px;
  height: 16px;
  accent-color: var(--ink);
}

button {
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  background: #fffdf7;
  min-height: 38px;
  padding: 0 12px;
  cursor: pointer;
  transition:
    background-color 120ms ease,
    border-color 120ms ease,
    box-shadow 120ms ease,
    color 120ms ease,
    transform 120ms ease;
}

button:hover:not(:disabled) {
  border-color: var(--ink);
  background: color-mix(in oklch, #fffdf7, var(--green) 10%);
  box-shadow: 0 8px 18px rgba(23, 26, 22, 0.08);
  transform: translateY(-1px);
}
button:active:not(:disabled),
button.is-pressed:not(:disabled) {
  border-color: var(--pressed-border);
  background: var(--pressed);
  color: #fffdf7;
  box-shadow:
    inset 0 0 0 1px rgba(255, 253, 247, 0.18),
    inset 0 2px 7px rgba(23, 26, 22, 0.16);
  transform: translateY(0);
}
button.is-key-active:not(:disabled) {
  border-color: var(--pressed-border);
  background: var(--pressed);
  color: #fffdf7;
  box-shadow:
    inset 0 0 0 1px rgba(255, 253, 247, 0.22),
    0 0 0 3px var(--pressed-ring),
    0 10px 22px rgba(23, 26, 22, 0.18);
  transform: none;
}
button:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(185, 84, 60, 0.18);
}
.primary { background: var(--ink); color: var(--panel); border-color: var(--ink); }
.primary:hover:not(:disabled) {
  background: color-mix(in oklch, var(--ink), var(--green) 18%);
  color: var(--panel);
}
.primary:active:not(:disabled),
.primary.is-pressed:not(:disabled) {
  background: var(--pressed);
  border-color: var(--pressed-border);
  color: var(--panel);
}
.wide { width: 100%; margin-top: 10px; }

.workspace {
  display: grid;
  gap: 18px;
  min-width: 0;
  max-width: 100%;
}

.workspace-switcher {
  display: inline-flex;
  gap: 6px;
  justify-self: start;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: color-mix(in oklch, var(--panel), white 12%);
}

.workspace-switch {
  min-height: 30px;
  padding: 0 14px;
  border-color: transparent;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
}

.workspace-switch:hover:not(:disabled) {
  transform: none;
  box-shadow: none;
}

.workspace-switch.is-active {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--panel);
}

.workspace-pane {
  display: none;
  min-width: 0;
}

.workspace-pane.is-active {
  display: grid;
  gap: 18px;
}

.stage {
  position: relative;
  display: grid;
  container-type: inline-size;
  grid-template-rows: auto auto auto;
  align-self: start;
  justify-self: center;
  min-width: 0;
  width: 100%;
  max-width: min(1500px, 100%);
  overflow: hidden;
  border: 1px solid #11140f;
  border-radius: 8px;
  background: #11140f;
  box-shadow: var(--shadow);
}

.preview-frame {
  position: relative;
  display: grid;
  place-items: center;
  justify-self: center;
  width: min(calc(1040px * var(--preview-scale, 1.2)), 100%);
  overflow: hidden;
  background: #11140f;
  contain: paint;
  isolation: isolate;
}

.model-player-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  min-width: 0;
  background: rgba(232, 234, 223, 0.12);
}

.model-player {
  display: grid;
  grid-template-rows: 32px minmax(0, 1fr) auto;
  min-width: 0;
  background: #11140f;
}

.model-player-title {
  display: flex;
  align-items: center;
  padding: 0 14px;
  color: #fffdf7;
  background: #151912;
  font-size: 12px;
}

.model-player .preview-frame {
  width: 100%;
}

.model-player-telemetry {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid rgba(232, 234, 223, 0.12);
  background: #11140f;
}

.model-player-telemetry span {
  display: flex;
  min-width: 0;
  min-height: 34px;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  border-right: 1px solid rgba(232, 234, 223, 0.1);
  border-bottom: 1px solid rgba(232, 234, 223, 0.1);
  padding: 0 10px;
  color: rgba(232, 234, 223, 0.58);
  font-size: 10px;
  white-space: nowrap;
}

.model-player-telemetry b {
  overflow: hidden;
  color: #fffdf7;
  font-size: 10px;
  font-variant-numeric: tabular-nums;
  text-overflow: ellipsis;
}

.model-parameters-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  min-width: 0;
  border-top: 1px solid rgba(232, 234, 223, 0.12);
  background: rgba(232, 234, 223, 0.12);
}

.model-parameters-grid[hidden] {
  display: none;
}

.model-parameter-panel {
  padding: 12px;
  background: #151912;
}

.model-parameter-title {
  margin-bottom: 8px;
  color: #fffdf7;
  font-size: 11px;
}

.model-parameter-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.model-parameter-grid label {
  min-width: 0;
  margin: 0;
  color: rgba(232, 234, 223, 0.65);
  font-size: 10px;
}

.model-parameter-grid input,
.model-parameter-grid select {
  min-width: 0;
  padding: 7px 8px;
  font-size: 11px;
}

.model-parameter-grid .toggle-row {
  display: flex;
  min-height: 32px;
  align-items: center;
  gap: 7px;
  margin: 0;
  color: rgba(232, 234, 223, 0.8);
}

.model-parameter-grid .toggle-row input {
  flex: 0 0 16px;
  width: 16px;
  height: 16px;
  padding: 0;
}

.parameter-span-2 {
  grid-column: 1 / -1;
}

.session-notice {
  padding: 10px 14px;
  border-top: 1px solid rgba(185, 84, 60, 0.42);
  border-bottom: 1px solid rgba(185, 84, 60, 0.42);
  background: rgba(185, 84, 60, 0.18);
  color: #fffdf7;
  font-size: 12px;
  text-align: center;
}

.session-notice[hidden] {
  display: none;
}

.preview-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: linear-gradient(
    180deg,
    rgba(238, 241, 236, 0.045),
    transparent 34%,
    rgba(0, 0, 0, 0.18)
  );
}

.preview-frame::after {
  content: none;
}

.stage[data-preview-state="waiting"] .preview-frame::after {
  animation: none;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  height: 44px;
  padding: 0 14px;
  color: #e8eadf;
  background: rgba(17, 20, 15, 0.88);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.topbar > * {
  flex: 0 0 auto;
  align-self: center;
}

.topbar-spacer { flex: 1; }
.catchup-rate-control,
.topbar-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 28px;
  color: #c9cdbf;
  font-size: 11px;
}

.catchup-rate-control input[type="range"] {
  width: 74px;
}

.catchup-rate-control b {
  min-width: 34px;
  color: #fffdf7;
  font-variant-numeric: tabular-nums;
}

.topbar-toggle input {
  width: 14px;
  height: 14px;
  margin: 0;
  accent-color: #70b985;
}
.session-countdown {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  height: 28px;
  padding: 0 9px;
  border: 1px solid rgba(232, 234, 223, 0.22);
  border-radius: 5px;
  background: rgba(238, 241, 236, 0.08);
  color: #c9cdbf;
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}

.session-countdown b {
  min-width: 34px;
  color: #fffdf7;
  text-align: right;
}

.session-countdown.is-ending {
  border-color: rgba(219, 105, 73, 0.65);
  background: rgba(174, 67, 38, 0.18);
}

.session-countdown[hidden] {
  display: none;
}

.record-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  flex: 0 0 118px;
  width: 118px;
  min-height: 28px;
  height: 28px;
  padding: 0 9px;
  border-color: rgba(232, 234, 223, 0.22);
  background: rgba(238, 241, 236, 0.08);
  color: #e8eadf;
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}
.record-button:hover:not(:disabled) {
  border-color: rgba(232, 234, 223, 0.44);
  background: rgba(238, 241, 236, 0.14);
  box-shadow: none;
  transform: none;
}
.record-button:active:not(:disabled),
.record-button.is-pressed:not(:disabled),
.record-button:focus-visible {
  transform: none;
}
.record-button.is-recording {
  border-color: color-mix(in oklch, var(--accent), white 18%);
  background: var(--accent);
  color: #fffdf7;
}
.record-button.is-saving {
  cursor: wait;
  opacity: 0.76;
}
#recordLabel {
  flex: 0 0 36px;
  text-align: left;
}
.record-button-icon {
  flex: 0 0 9px;
  width: 9px;
  height: 9px;
  min-width: 9px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(185, 84, 60, 0.16);
}
.record-button.is-recording .record-button-icon {
  border-radius: 2px;
  background: #fffdf7;
  box-shadow: none;
}
.record-button-duration {
  display: inline-block;
  flex: 0 0 34px;
  min-width: 34px;
  text-align: right;
  color: rgba(232, 234, 223, 0.7);
}
.record-button.is-recording .record-button-duration {
  color: rgba(255, 253, 247, 0.86);
}

.record-folder-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 62px;
  width: 62px;
  min-height: 28px;
  height: 28px;
  padding: 0 8px;
  border-color: rgba(232, 234, 223, 0.22);
  background: rgba(238, 241, 236, 0.06);
  color: rgba(232, 234, 223, 0.82);
  font-size: 11px;
}

.record-folder-button:hover:not(:disabled) {
  border-color: rgba(232, 234, 223, 0.44);
  background: rgba(238, 241, 236, 0.13);
  box-shadow: none;
  transform: none;
}

.record-folder-button.is-selected {
  border-color: color-mix(in oklch, var(--green), white 20%);
  color: #fffdf7;
}
.preview-scale-control {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 170px;
  min-width: 170px;
  margin: 0;
  color: rgba(232, 234, 223, 0.72);
  font-size: 11px;
  line-height: 1;
}
.preview-scale-control input {
  width: 92px;
  min-width: 72px;
  padding: 0;
  border: 0;
  background: transparent;
  accent-color: #eef1ec;
}
.preview-scale-control b {
  min-width: 36px;
  color: #fffdf7;
  font-weight: 650;
}

.fullscreen-button {
  position: relative;
  display: inline-grid;
  place-items: center;
  flex: 0 0 30px;
  width: 30px;
  height: 30px;
  min-height: 30px;
  padding: 0;
  border-color: rgba(232, 234, 223, 0.22);
  background: rgba(238, 241, 236, 0.06);
  color: rgba(232, 234, 223, 0.88);
}

.fullscreen-button:hover:not(:disabled) {
  border-color: rgba(232, 234, 223, 0.44);
  background: rgba(238, 241, 236, 0.13);
  box-shadow: none;
  transform: none;
}

.fullscreen-button:focus-visible {
  outline: 2px solid rgba(238, 241, 236, 0.82);
  outline-offset: 2px;
}

.fullscreen-icon {
  width: 14px;
  height: 14px;
  color: currentColor;
  background:
    linear-gradient(currentColor, currentColor) left top / 6px 1.5px no-repeat,
    linear-gradient(currentColor, currentColor) left top / 1.5px 6px no-repeat,
    linear-gradient(currentColor, currentColor) right top / 6px 1.5px no-repeat,
    linear-gradient(currentColor, currentColor) right top / 1.5px 6px no-repeat,
    linear-gradient(currentColor, currentColor) left bottom / 6px 1.5px no-repeat,
    linear-gradient(currentColor, currentColor) left bottom / 1.5px 6px no-repeat,
    linear-gradient(currentColor, currentColor) right bottom / 6px 1.5px no-repeat,
    linear-gradient(currentColor, currentColor) right bottom / 1.5px 6px no-repeat;
}

.stage:fullscreen {
  width: 100vw;
  height: 100vh;
  max-width: none;
  border: 0;
  border-radius: 0;
  grid-template-rows: auto minmax(0, 1fr) auto;
  box-shadow: none;
}

.stage:fullscreen .topbar {
  flex-wrap: wrap;
  height: auto;
  min-height: 44px;
  padding: 7px 14px;
  row-gap: 7px;
}

.stage:fullscreen .topbar-spacer {
  display: none;
}

.stage:fullscreen #outputSizeText {
  min-width: 0;
}

.stage:fullscreen .model-player-grid,
.stage:fullscreen .model-player,
.stage:fullscreen .preview-frame {
  min-height: 0;
}

.stage:fullscreen .model-parameters-grid,
.stage:fullscreen .session-notice {
  display: none;
}

.stage:fullscreen .preview-frame {
  width: 100%;
  height: 100%;
}

.stage:fullscreen #minwmViewport,
.stage:fullscreen #lingbot2Viewport {
  width: 100%;
  height: 100%;
  max-height: none;
  object-fit: contain;
}
#statusText {
  display: inline-block;
  min-width: 92px;
  line-height: 1;
}
.stage-stat {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  flex: 0 1 auto;
  min-width: 0;
  color: rgba(232, 234, 223, 0.72);
  line-height: 1;
}
.stage-stat b {
  display: inline-block;
  color: #fffdf7;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
}

#outputSizeText { min-width: 206px; }

@media (max-width: 1180px) {
  .topbar {
    flex-wrap: wrap;
    height: auto;
    min-height: 44px;
    padding: 8px 14px;
    row-gap: 7px;
  }
  .topbar-spacer { display: none; }
  .preview-scale-control { flex-basis: 170px; min-width: 170px; }
  #outputSizeText { min-width: 156px; }
}

@container (max-width: 1180px) {
  .topbar {
    flex-wrap: wrap;
    height: auto;
    min-height: 44px;
    padding: 8px 14px;
    row-gap: 7px;
  }
  .topbar-spacer { display: none; }
  .preview-scale-control { flex-basis: 170px; min-width: 170px; }
  #outputSizeText { min-width: 156px; }
}

.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); }
.dot.live { background: #8ecf9d; box-shadow: 0 0 0 4px rgba(142, 207, 157, 0.14); }
.dot.error { background: var(--accent); }

#minwmViewport,
#lingbot2Viewport {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: auto;
  max-height: min(calc(56vh * var(--preview-scale, 1.2)), 82vh);
  min-height: 0;
  object-fit: contain;
  image-rendering: auto;
  transform: translateZ(0);
}

@media (max-width: 900px) {
  .model-player-grid,
  .model-parameters-grid {
    grid-template-columns: 1fr;
  }

  .stage:fullscreen .model-player-grid {
    grid-template-rows: repeat(2, minmax(0, 1fr));
  }
}

.preview-overlay {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: none;
  place-items: center;
  pointer-events: none;
  background: transparent;
}

.stage[data-preview-state="waiting"] .preview-overlay {
  display: grid;
}

.preview-loader {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid rgba(238, 241, 236, 0.22);
  border-top-color: rgba(238, 241, 236, 0.82);
  animation: previewProgressSpin 0.8s linear infinite;
}

.preview-unavailable-text {
  display: none;
  color: rgba(232, 234, 223, 0.58);
  font-size: 12px;
}

.model-player[data-session-state="unavailable"] .preview-overlay {
  background: #11140f;
}

.model-player[data-session-state="unavailable"] .preview-loader {
  display: none;
}

.model-player[data-session-state="unavailable"] .preview-unavailable-text {
  display: inline;
}

.stage-controls {
  display: grid;
  grid-template-columns: repeat(2, minmax(180px, 1fr));
  gap: 12px;
  padding: 12px 14px 13px;
  border-top: 1px solid rgba(232, 234, 223, 0.12);
  background: #151912;
}

.control-cluster {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 10px;
  align-items: center;
}

.control-title {
  color: rgba(232, 234, 223, 0.62);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.stage-controls .camera-pad {
  margin: 0;
}

.stage-controls .camera-pad button {
  position: relative;
  border-color: rgba(232, 234, 223, 0.18);
  background: #eef1ec;
  color: #11140f;
}

.stage-controls .camera-pad button:active:not(:disabled),
.stage-controls .camera-pad button.is-pressed:not(:disabled),
.stage-controls .camera-pad button.is-key-active:not(:disabled) {
  border-color: var(--pressed-border);
  background: var(--pressed);
  color: #fffdf7;
  box-shadow:
    inset 0 0 0 1px rgba(255, 253, 247, 0.22),
    0 0 0 3px var(--pressed-ring),
    0 10px 22px rgba(23, 26, 22, 0.18);
}

.stage-controls .camera-pad button::after {
  content: attr(data-key);
  position: absolute;
  right: 7px;
  top: 5px;
  color: color-mix(in oklch, var(--muted), var(--ink) 18%);
  font-size: 10px;
  font-weight: 650;
}

.stage-controls .camera-pad button:active::after,
.stage-controls .camera-pad button.is-pressed::after,
.stage-controls .camera-pad button.is-key-active::after {
  color: rgba(255, 253, 247, 0.78);
}

.section-title {
  margin: 16px 0 10px;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.reference-upload {
  margin-top: 0;
}

.reference-upload input {
  border: 1px dashed var(--line);
}

#referencePreview {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  min-height: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #e5e7df;
}

#referenceName {
  min-height: 18px;
  color: var(--muted);
  font-size: 11px;
}

.presets {
  position: static;
  max-height: none;
  overflow: visible;
  scrollbar-gutter: stable;
}

.preset-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 7px;
  min-height: 0;
  max-height: 230px;
  margin-bottom: 12px;
  overflow: auto;
  padding-right: 3px;
}

.preset-list-sidebar {
  grid-template-columns: 1fr;
  max-height: 360px;
}
.preset {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 4px 9px;
  align-items: center;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffdf7;
  text-align: left;
}
.preset-thumb {
  display: block;
  grid-row: span 2;
  width: 72px;
  height: 46px;
  min-height: 0;
  object-fit: cover;
  border-radius: 5px;
  border: 1px solid color-mix(in oklch, var(--line), var(--ink) 8%);
}
.preset-thumb-fallback {
  display: grid;
  place-items: center;
  background:
    linear-gradient(135deg, rgba(77, 118, 95, 0.16), rgba(63, 96, 124, 0.14)),
    #eef1ec;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
}
.preset b { min-width: 0; font-size: 13px; }
.preset span { min-width: 0; color: var(--muted); font-size: 11px; line-height: 1.25; }
.preset[data-tone="green"] { border-left: 4px solid var(--green); }
.preset[data-tone="blue"] { border-left: 4px solid var(--blue); }
.preset[data-tone="accent"] { border-left: 4px solid var(--accent); }
.preset:hover:not(:disabled) {
  background: color-mix(in oklch, #fffdf7, var(--blue) 9%);
}

.camera-pad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin-bottom: 8px;
}

.camera-pad span { min-height: 36px; }
.camera-pad button { min-height: 36px; font-size: 12px; }
.telemetry { display: grid; gap: 7px; margin-top: 10px; }
.telemetry span {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  padding-bottom: 8px;
  color: var(--muted);
  font-size: 12px;
}
.telemetry b { color: var(--ink); font-weight: 650; }

.history-list {
  display: grid;
  gap: 7px;
  max-height: 92px;
  overflow: auto;
}

.history-list span {
  display: block;
  border-left: 3px solid var(--blue);
  background: #fffdf7;
  padding: 8px 9px;
  color: var(--muted);
  font-size: 12px;
}

.trace-panel {
  gap: 16px;
  align-self: start;
  max-width: min(1500px, 100%);
}

.trace-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  min-width: 0;
}

.trace-header h2 {
  margin: 0;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0;
}

.trace-summary,
.trace-insights {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  min-width: 0;
}

.trace-summary span,
.trace-insights span {
  display: grid;
  gap: 2px;
  min-width: 112px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffdf7;
  padding: 8px 10px;
  color: var(--muted);
  font-size: 11px;
}

.trace-summary b,
.trace-insights b {
  overflow: hidden;
  color: var(--ink);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.trace-topology {
  min-height: 240px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffdf7;
}

.trace-topology svg {
  display: block;
  width: max(100%, 1180px);
  min-height: 240px;
}

.trace-node rect {
  fill: #fbfaf5;
  stroke: #cbd2c4;
  stroke-width: 1;
}

.trace-node.is-active rect {
  stroke: #4d765f;
  stroke-width: 1.5;
}

.trace-node-title {
  fill: #171a16;
  font-size: 13px;
  font-weight: 700;
}

.trace-node-subtitle,
.trace-node-metric,
.trace-edge-label,
.trace-empty {
  fill: #687164;
  font-size: 11px;
}

.trace-node-metric {
  fill: #b9543c;
  font-weight: 700;
}

.trace-edge-line {
  stroke: #8c9288;
  stroke-width: 1.4;
  marker-end: url("#traceArrow");
}

.trace-event-list {
  display: grid;
  gap: 6px;
  max-height: 260px;
  overflow: auto;
}

.trace-event-item {
  display: grid;
  grid-template-columns: minmax(130px, 0.7fr) minmax(90px, 0.4fr) minmax(0, 2fr);
  gap: 8px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffdf7;
  padding: 8px 10px;
  color: var(--muted);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}

.trace-event-item b {
  overflow: hidden;
  color: var(--ink);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.trace-event-item code {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@media (max-width: 980px) {
  .shell { grid-template-columns: 1fr; }
  .presets { position: static; max-height: none; overflow: visible; }
  .preset-list { min-height: 260px; max-height: 420px; }
  #viewport { max-height: 420px; }
  .stage-controls { grid-template-columns: 1fr; }
  .model-player-telemetry { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .trace-header { align-items: start; flex-direction: column; }
  .trace-event-item { grid-template-columns: 1fr; }
  .topbar { flex-wrap: wrap; height: auto; min-height: 44px; padding: 10px 14px; }
  .topbar-spacer { display: none; }
  .preview-scale-control { min-width: 160px; }
}

@keyframes previewProgressSpin {
  to { transform: rotate(360deg); }
}

/* World Studio presentation shell. The existing runtime controls remain in the
   DOM for request compatibility, while this layer exposes only world-building
   and comparison controls. */
body.world-studio {
  --ws-bg: #090d0d;
  --ws-panel: #101515;
  --ws-panel-soft: #151b1b;
  --ws-line: rgba(235, 242, 236, 0.13);
  --ws-line-strong: rgba(235, 242, 236, 0.24);
  --ws-text: #f3f1e9;
  --ws-muted: #929c98;
  --ws-accent: #79dfbd;
  --ws-accent-soft: rgba(121, 223, 189, 0.13);
  --ws-danger: #e48674;
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 73% 16%, rgba(70, 90, 116, 0.1), transparent 28%),
    radial-gradient(circle at 8% 88%, rgba(60, 120, 100, 0.08), transparent 24%),
    var(--ws-bg);
  color: var(--ws-text);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
}

.world-studio * { scrollbar-color: rgba(121, 223, 189, 0.24) transparent; }
.world-studio button,
.world-studio input,
.world-studio textarea,
.world-studio select { font: inherit; }
.world-studio button:focus-visible,
.world-studio input:focus-visible,
.world-studio textarea:focus-visible {
  outline: 2px solid var(--ws-accent);
  outline-offset: 2px;
}

.world-studio .app-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  height: 56px;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--ws-line);
  padding: 0 24px;
  background: rgba(7, 11, 11, 0.92);
  backdrop-filter: blur(20px);
}

.world-studio .app-identity,
.world-studio .app-status { display: flex; align-items: center; gap: 12px; }
.world-studio .app-identity strong { font-size: 17px; font-weight: 640; letter-spacing: -0.02em; }
.world-studio .app-mark { position: relative; display: block; width: 25px; height: 25px; }
.world-studio .app-mark::before,
.world-studio .app-mark::after,
.world-studio .app-mark i {
  content: "";
  position: absolute;
  border-radius: 999px;
  background: var(--ws-accent);
  box-shadow: 0 0 18px rgba(121, 223, 189, 0.18);
}
.world-studio .app-mark::before { width: 4px; height: 23px; left: 5px; top: 1px; transform: rotate(31deg); }
.world-studio .app-mark::after { width: 4px; height: 23px; right: 5px; top: 1px; transform: rotate(-31deg); }
.world-studio .app-mark i { width: 20px; height: 3px; left: 2px; bottom: 3px; }
.world-studio .app-status { color: #cfd7d3; font-size: 13px; }
.world-studio .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ws-accent); box-shadow: 0 0 0 5px rgba(121, 223, 189, 0.08); }
.world-studio .dot.error { background: var(--ws-danger); box-shadow: 0 0 0 5px rgba(228, 134, 116, 0.08); }
.world-studio .session-countdown {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 28px;
  border: 1px solid var(--ws-line);
  border-radius: 999px;
  padding: 0 10px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--ws-muted);
  font-size: 11px;
}
.world-studio .session-countdown b { color: var(--ws-text); }
.world-studio .session-countdown[hidden] { display: none; }
.world-studio .gameplay-record-button,
.world-studio .gameplay-download-button {
  display: inline-flex;
  height: 30px;
  align-items: center;
  justify-content: center;
  gap: 7px;
  border: 1px solid var(--ws-line);
  border-radius: 999px;
  padding: 0 12px;
  background: rgba(255, 255, 255, 0.045);
  color: var(--ws-text);
  box-shadow: none;
  font-size: 11px;
  font-weight: 620;
  cursor: pointer;
  text-decoration: none;
}
.world-studio .gameplay-record-button:hover:not(:disabled),
.world-studio .gameplay-download-button:hover:not(:disabled) {
  border-color: rgba(121, 223, 189, 0.5);
  background: rgba(121, 223, 189, 0.1);
  transform: none;
}
.world-studio .gameplay-record-button:disabled {
  cursor: default;
  opacity: 0.44;
}
.world-studio .gameplay-record-button i {
  display: block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ws-muted);
}
.world-studio .gameplay-record-button b {
  min-width: 34px;
  color: var(--ws-muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 10px;
  font-variant-numeric: tabular-nums;
}
.world-studio .gameplay-record-button #recordLabel {
  flex: 0 0 auto;
  min-width: 48px;
  text-align: left;
}
.world-studio .gameplay-record-button.is-recording {
  border-color: rgba(228, 134, 116, 0.44);
  background: rgba(228, 134, 116, 0.1);
}
.world-studio .gameplay-record-button.is-recording i {
  background: var(--ws-danger);
  box-shadow: 0 0 0 4px rgba(228, 134, 116, 0.1);
  animation: gameplayRecordingPulse 1.3s ease-in-out infinite;
}
.world-studio .gameplay-record-button.is-saving { cursor: wait; }
.world-studio .gameplay-download-button {
  border-color: rgba(121, 223, 189, 0.35);
  background: rgba(121, 223, 189, 0.1);
  color: var(--ws-accent);
}
.world-studio .gameplay-download-button svg {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}
.world-studio .gameplay-download-button[hidden] { display: none; }
.world-studio .gameplay-download-button[aria-disabled="true"] {
  pointer-events: none;
  opacity: 0.5;
}

.world-studio .recording-ready-toast {
  position: fixed;
  top: 66px;
  right: 22px;
  z-index: 80;
  display: flex;
  width: min(340px, calc(100vw - 32px));
  align-items: center;
  gap: 11px;
  border: 1px solid rgba(121, 223, 189, 0.42);
  border-radius: 13px;
  padding: 12px 14px;
  background: rgba(18, 31, 27, 0.96);
  color: var(--ws-text);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.38);
  opacity: 0;
  transform: translateY(-10px);
  transition: opacity 160ms ease, transform 160ms ease;
  pointer-events: none;
}
.world-studio .recording-ready-toast[hidden] { display: none; }
.world-studio .recording-ready-toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.world-studio .recording-ready-toast-icon {
  display: grid;
  flex: 0 0 28px;
  width: 28px;
  height: 28px;
  place-items: center;
  border-radius: 50%;
  background: rgba(121, 223, 189, 0.16);
  color: var(--ws-accent);
  font-size: 15px;
  font-weight: 800;
}
.world-studio .recording-ready-toast > span:last-child {
  display: grid;
  min-width: 0;
  gap: 2px;
}
.world-studio .recording-ready-toast strong { font-size: 12px; }
.world-studio .recording-ready-toast small {
  color: var(--ws-muted);
  font-size: 11px;
}

@keyframes gameplayRecordingPulse {
  0%, 100% { opacity: 0.55; }
  50% { opacity: 1; }
}

.world-studio .shell {
  display: grid;
  grid-template-columns: minmax(292px, 330px) minmax(0, 1fr);
  gap: 0;
  width: 100%;
  max-width: none;
  min-height: calc(100vh - 56px);
  padding: 0;
}

.world-studio .panel { border: 0; border-radius: 0; box-shadow: none; }
.world-studio .controls {
  display: flex;
  min-height: calc(100vh - 56px);
  flex-direction: column;
  border-right: 1px solid var(--ws-line);
  padding: 20px 24px 20px;
  background: linear-gradient(180deg, rgba(19, 25, 25, 0.98), rgba(13, 18, 18, 0.98));
}
.world-studio .sidebar-heading { margin-bottom: 18px; }
.world-studio .sidebar-heading-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.world-studio .clear-world-draft {
  min-height: 26px;
  border: 1px solid var(--ws-line);
  border-radius: 8px;
  padding: 4px 9px;
  background: rgba(255,255,255,0.025);
  color: var(--ws-muted);
  font-size: 9px;
}
.world-studio .clear-world-draft:hover:not(:disabled) { border-color: rgba(228, 134, 116, 0.45); background: rgba(228, 134, 116, 0.08); color: #f0b0a3; transform: none; }
.world-studio .sidebar-heading > span,
.world-studio .comparison-heading > div > span,
.world-studio .prompt-update-heading > div > span {
  color: var(--ws-accent);
  font-size: 10px;
  font-weight: 720;
  letter-spacing: 0.16em;
}
.world-studio .sidebar-heading h1 { margin: 5px 0 5px; font-size: 22px; font-weight: 660; letter-spacing: -0.035em; }
.world-studio .sidebar-heading p { margin: 0; color: var(--ws-muted); font-size: 12px; line-height: 1.5; }

.world-studio .preset-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 9px;
  min-height: 0;
  max-height: 264px;
  margin: 0 0 20px;
  overflow: auto;
  padding: 0 4px 0 0;
}
.world-studio .preset {
  display: grid;
  min-height: 68px;
  grid-template-columns: 98px minmax(0, 1fr);
  grid-template-rows: auto auto;
  gap: 2px 12px;
  align-items: center;
  margin: 0;
  border: 1px solid var(--ws-line);
  border-left: 1px solid var(--ws-line);
  border-radius: 12px;
  padding: 6px;
  background: rgba(255, 255, 255, 0.025);
  color: var(--ws-text);
  text-align: left;
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}
.world-studio .preset:hover,
.world-studio .preset.is-selected {
  border-color: var(--ws-accent);
  background: var(--ws-accent-soft);
  box-shadow: 0 0 0 1px rgba(121, 223, 189, 0.12);
  transform: none;
}
.world-studio .preset-thumb {
  grid-row: 1 / span 2;
  width: 98px;
  height: 56px;
  border: 0;
  border-radius: 8px;
  object-fit: cover;
}
.world-studio .preset b { align-self: end; overflow: hidden; font-size: 13px; font-weight: 620; text-overflow: ellipsis; white-space: nowrap; }
.world-studio .preset span:not(.preset-thumb) { align-self: start; overflow: hidden; color: var(--ws-muted); font-size: 9px; text-overflow: ellipsis; white-space: nowrap; }
.world-studio .preset.is-selected span:not(.preset-thumb) { color: var(--ws-accent); }

.world-studio .field-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.world-studio .field-heading strong { color: var(--ws-text); font-size: 13px; font-weight: 600; }
.world-studio .field-heading > span { color: var(--ws-muted); font-size: 10px; }
.world-studio .field-heading > span.is-complete { color: var(--ws-accent); }
.world-studio .reference-section { margin-bottom: 18px; }
.world-studio .reference-upload {
  position: relative;
  display: grid;
  min-height: 116px;
  margin: 9px 0 0;
  place-items: center;
  overflow: hidden;
  border: 1px dashed var(--ws-line-strong);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.018);
  cursor: pointer;
}
.world-studio .reference-upload:hover { border-color: rgba(121, 223, 189, 0.62); background: rgba(121, 223, 189, 0.035); }
.world-studio .reference-upload.is-dragging {
  border-color: var(--ws-accent);
  border-style: solid;
  background: rgba(121, 223, 189, 0.1);
  box-shadow: inset 0 0 0 1px rgba(121, 223, 189, 0.28), 0 0 28px rgba(121, 223, 189, 0.08);
}
.world-studio .reference-upload.is-dragging::after { background: rgba(9, 20, 18, 0.8); }
.world-studio .reference-upload.is-dragging .reference-upload-copy b::after { content: " · 松开上传"; color: var(--ws-accent); }
.world-studio .reference-upload input { position: absolute; inset: 0; z-index: 4; width: 100%; height: 100%; opacity: 0; cursor: pointer; }
.world-studio #referencePreview {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  border-radius: 0;
  background: #101515;
  opacity: 0.18;
  object-fit: cover;
}
.world-studio .reference-upload.has-image #referencePreview { opacity: 0.86; }
.world-studio .reference-upload.has-image::after { background: linear-gradient(180deg, rgba(9, 13, 13, 0.02), rgba(9, 13, 13, 0.48)); }
.world-studio .reference-upload.has-image .reference-upload-copy { align-self: end; margin-bottom: 9px; padding: 4px 9px; border-radius: 999px; background: rgba(5, 10, 10, 0.68); }
.world-studio .reference-upload.has-image .reference-upload-copy svg,
.world-studio .reference-upload.has-image .reference-upload-copy small { display: none; }
.world-studio .reference-upload::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(9, 13, 13, 0.2), rgba(9, 13, 13, 0.82)); }
.world-studio .reference-upload-copy { position: relative; z-index: 2; display: grid; place-items: center; gap: 3px; color: var(--ws-text); text-align: center; }
.world-studio .reference-upload-copy svg { width: 24px; height: 24px; margin-bottom: 3px; fill: none; stroke: var(--ws-accent); stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.5; }
.world-studio .reference-upload-copy b { font-size: 12px; }
.world-studio .reference-upload-copy small { color: var(--ws-muted); font-size: 9px; }
.world-studio .reference-name { position: absolute; right: 8px; bottom: 7px; z-index: 3; max-width: 80%; overflow: hidden; color: rgba(243, 241, 233, 0.55); font-size: 8px; text-overflow: ellipsis; white-space: nowrap; }

.world-studio .world-description { display: grid; gap: 9px; margin: 0 0 16px; }
.world-studio textarea,
.world-studio input,
.world-studio select {
  border: 1px solid var(--ws-line);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.025);
  color: var(--ws-text);
  outline: 0;
}
.world-studio textarea:focus,
.world-studio input:focus,
.world-studio select:focus { border-color: rgba(121, 223, 189, 0.58); box-shadow: 0 0 0 3px rgba(121, 223, 189, 0.07); }
.world-studio .world-description textarea { min-height: 114px; resize: vertical; padding: 12px; color: #d8dedb; font-size: 12px; line-height: 1.55; }
.world-studio .complete-world {
  display: flex;
  width: 100%;
  min-height: 46px;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 0 0 7px;
  border: 1px solid rgba(121, 223, 189, 0.32);
  border-radius: 10px;
  padding: 9px 12px;
  background: var(--ws-accent-soft);
  color: var(--ws-accent);
  font-weight: 650;
}
.world-studio .complete-world small { color: #93aca4; font-size: 9px; font-weight: 450; }
.world-studio .complete-world:hover:not(:disabled) { border-color: var(--ws-accent); background: rgba(121, 223, 189, 0.14); transform: none; }
.world-studio .complete-world-title { display: inline-flex; align-items: center; gap: 8px; }
.world-studio .complete-world-title b { font: inherit; }
.world-studio .world-completion-spinner {
  display: none;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(121, 223, 189, 0.28);
  border-top-color: var(--ws-accent);
  border-radius: 50%;
  animation: world-completion-spin 0.75s linear infinite;
}
.world-studio .complete-world.is-loading { border-color: rgba(231, 197, 143, 0.45); background: rgba(231, 197, 143, 0.09); color: #e7c58f; cursor: wait; opacity: 1; }
.world-studio .complete-world.is-loading .world-completion-spinner { display: inline-block; }
.world-studio .complete-world.is-loading small { color: #c3ad87; }
@keyframes world-completion-spin { to { transform: rotate(360deg); } }
.world-studio .world-draft-status { min-height: 15px; margin: 0 0 10px; color: var(--ws-muted); font-size: 9px; line-height: 1.4; }
.world-studio .world-draft-status[data-state="ready"] { color: var(--ws-accent); }
.world-studio .world-draft-status[data-state="working"] { color: #e7c58f; }
.world-studio .world-draft-status[data-state="error"] { color: #f1aa9c; }
.world-studio .enter-world:disabled { background: #293533; color: #687572; cursor: not-allowed; opacity: 0.72; }
.world-studio .entry-actions { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px; margin-top: auto; }
.world-studio .enter-world,
.world-studio .close-world {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 9px;
  border-radius: 10px;
  font-weight: 650;
}
.world-studio .enter-world { border: 0; background: var(--ws-accent); color: #09251d; }
.world-studio .enter-world:hover:not(:disabled) { border: 0; background: #8ce9c9; box-shadow: 0 10px 30px rgba(121, 223, 189, 0.16); transform: translateY(-1px); }
.world-studio .enter-world svg { width: 18px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.8; }
.world-studio .close-world { min-width: 58px; border: 1px solid var(--ws-line); background: transparent; color: var(--ws-muted); font-size: 11px; }
.world-studio .close-world:hover:not(:disabled) { border-color: rgba(228, 134, 116, 0.45); background: rgba(228, 134, 116, 0.08); color: #f0b0a3; transform: none; }

.world-studio .workspace { min-width: 0; padding: 14px 24px 24px; }
.world-studio .workspace-pane { display: none; min-width: 0; }
.world-studio .workspace-pane.is-active { display: block; }
.world-studio .stage {
  display: grid;
  width: 100%;
  max-width: 1500px;
  grid-template-rows: auto auto auto auto auto;
  justify-self: center;
  overflow: visible;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  container-type: inline-size;
}
.world-studio .comparison-heading { display: flex; min-height: 36px; align-items: center; justify-content: space-between; gap: 18px; margin: 0 0 10px; }
.world-studio .comparison-heading > div { display: flex; align-items: baseline; gap: 11px; min-width: 0; }
.world-studio .comparison-heading h2 { margin: 0; color: var(--ws-text); font-size: 20px; font-weight: 650; letter-spacing: -0.04em; white-space: nowrap; }
.world-studio .comparison-heading p { margin: 0; overflow: hidden; color: var(--ws-muted); font-size: 11px; text-overflow: ellipsis; white-space: nowrap; }
.world-studio .fullscreen-button {
  display: grid;
  width: 34px;
  min-height: 34px;
  place-items: center;
  border: 1px solid var(--ws-line);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.025);
  color: var(--ws-text);
}
.world-studio .fullscreen-button:hover { border-color: rgba(121, 223, 189, 0.5); background: var(--ws-accent-soft); transform: none; }

.world-studio .model-player-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  min-width: 0;
  background: transparent;
}
.world-studio .model-player-grid.is-three-up { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.world-studio .model-player {
  display: grid;
  min-width: 0;
  grid-template-rows: 38px minmax(0, 1fr);
  overflow: hidden;
  border: 1px solid var(--ws-line);
  border-radius: 14px;
  background: #0d1212;
  box-shadow: 0 18px 54px rgba(0, 0, 0, 0.25);
  transition: border-color 180ms ease, box-shadow 180ms ease;
}
.world-studio .model-player[data-session-state="live"] { border-color: rgba(121, 223, 189, 0.38); box-shadow: 0 18px 54px rgba(0, 0, 0, 0.25), 0 0 30px rgba(77, 111, 145, 0.08); }
.world-studio .model-player-title { display: flex; height: 38px; align-items: center; justify-content: space-between; gap: 10px; padding: 0 12px; background: linear-gradient(180deg, #161c1c, #121717); color: var(--ws-text); }
.world-studio .model-player-title > strong { font-size: 14px; font-weight: 640; }
.world-studio .model-slot-config { display: flex; align-items: end; gap: 8px; margin-bottom: 9px; }
.world-studio .model-slot-config label { display: grid; min-width: 128px; gap: 4px; color: var(--ws-muted); font-size: 8px; letter-spacing: 0.09em; text-transform: uppercase; }
.world-studio .model-slot-config select { width: 100%; height: 31px; border: 1px solid var(--ws-line); border-radius: 8px; padding: 0 28px 0 9px; background: #0d1212; color: var(--ws-text); font: inherit; font-size: 11px; font-weight: 640; letter-spacing: 0; text-transform: none; }
.world-studio .model-slot-config button { min-height: 31px; border: 1px solid var(--ws-line); border-radius: 8px; padding: 0 11px; background: rgba(255,255,255,0.025); color: var(--ws-text); font-size: 9px; }
.world-studio .model-slot-config button:hover { border-color: rgba(121,223,189,0.48); background: var(--ws-accent-soft); transform: none; }
.world-studio .model-slot-config [hidden] { display: none; }
.world-studio .model-player-telemetry { display: flex; width: auto; align-items: center; gap: 6px; border: 0; background: transparent; }
.world-studio .model-player-telemetry > span {
  display: inline-flex;
  min-height: 24px;
  align-items: center;
  gap: 4px;
  border: 1px solid var(--ws-line);
  border-radius: 7px;
  padding: 0 8px;
  color: var(--ws-muted);
  font-size: 9px;
  white-space: nowrap;
}
.world-studio .model-player-telemetry b { color: var(--ws-text); font-size: 9px; font-weight: 600; font-variant-numeric: tabular-nums; }
.world-studio .model-player-telemetry .stream-chip { border-color: rgba(121, 223, 189, 0.25); background: var(--ws-accent-soft); color: var(--ws-accent); }
.world-studio .model-player-telemetry .connection-chip { display: none; }
.world-studio .model-player[data-session-state="live"] .connection-chip { display: inline-flex; border-color: rgba(121, 223, 189, 0.25); color: var(--ws-accent); }
.world-studio .model-player[data-session-state="preparing"] .connection-chip,
.world-studio .model-player[data-session-state="ready"] .connection-chip,
.world-studio .model-player[data-session-state="connecting"] .connection-chip,
.world-studio .model-player[data-session-state="error"] .connection-chip { display: inline-flex; }
.world-studio .model-player[data-session-state="error"] .connection-chip { color: var(--danger); border-color: rgba(244, 126, 104, 0.35); }
.world-studio .telemetry-detail { display: none !important; }
.world-studio .preview-frame { position: relative; display: grid; width: 100%; aspect-ratio: 16 / 9; place-items: center; overflow: hidden; background: #090d0d; contain: paint; isolation: isolate; }
.world-studio .preview-frame::before { content: ""; position: absolute; inset: 0; z-index: 2; pointer-events: none; background: linear-gradient(180deg, rgba(255,255,255,0.025), transparent 28%, rgba(0,0,0,0.08)); }
.world-studio #minwmViewport,
.world-studio #lingbot2Viewport,
.world-studio #happyoysterViewport { position: relative; z-index: 1; display: block; width: 100%; height: 100%; max-height: none; object-fit: contain; transform: translateZ(0); }

.world-studio .stage-controls {
  display: grid;
  grid-template-columns: repeat(2, auto);
  justify-content: space-around;
  gap: clamp(56px, 11vw, 160px);
  border: 0;
  padding: 10px 15% 9px;
  background: transparent;
}
.world-studio .control-cluster { display: grid; grid-template-columns: 1fr; justify-items: center; gap: 3px; }
.world-studio .control-title { color: var(--ws-muted); font-size: 9px; letter-spacing: 0.12em; }
.world-studio .camera-pad { display: grid; grid-template-columns: repeat(3, 36px); gap: 5px; margin: 0; }
.world-studio .camera-pad > span { min-height: 36px; }
.world-studio .stage-controls .camera-pad button {
  position: relative;
  width: 36px;
  height: 36px;
  min-height: 36px;
  border: 1px solid rgba(244, 247, 244, 0.26);
  border-radius: 10px;
  padding: 0;
  background: linear-gradient(155deg, rgba(126, 132, 132, 0.66), rgba(71, 76, 77, 0.76));
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.16), 0 7px 16px rgba(0,0,0,0.28);
  color: #f8f7f2;
  font-size: 13px;
  font-weight: 720;
  line-height: 1;
  text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}
.world-studio .stage-controls .camera-pad button::after { content: none; }
.world-studio .stage-controls .camera-pad button:hover:not(:disabled) { border-color: rgba(121, 223, 189, 0.52); background: linear-gradient(155deg, rgba(118, 142, 134, 0.78), rgba(62, 84, 78, 0.86)); box-shadow: 0 7px 18px rgba(0,0,0,0.28), 0 0 0 3px rgba(121, 223, 189, 0.05); transform: translateY(-1px); }
.world-studio .stage-controls .camera-pad button:active:not(:disabled),
.world-studio .stage-controls .camera-pad button.is-pressed:not(:disabled),
.world-studio .stage-controls .camera-pad button.is-key-active:not(:disabled) { border-color: var(--ws-accent); background: var(--ws-accent); color: #09251d; box-shadow: 0 0 0 4px rgba(121, 223, 189, 0.12), inset 0 1px 0 rgba(255,255,255,0.2); transform: translateY(1px); }

.world-studio .prompt-update-panel { border-top: 1px solid var(--ws-line); padding-top: 10px; }
.world-studio .prompt-update-heading { display: flex; align-items: end; justify-content: space-between; gap: 16px; margin-bottom: 7px; }
.world-studio .prompt-update-heading h3 { margin: 3px 0 0; color: var(--ws-text); font-size: 15px; font-weight: 600; }
.world-studio .prompt-update-heading small { color: var(--ws-muted); font-size: 10px; }
.world-studio .prompt-composer { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; gap: 8px; align-items: stretch; }
.world-studio .prompt-composer textarea { min-height: 56px; resize: none; padding: 11px 13px; font-size: 12px; line-height: 1.45; }
.world-studio .voice-button {
  display: grid;
  width: 68px;
  min-height: 56px;
  grid-template-rows: auto auto;
  place-items: center;
  gap: 1px;
  border: 1px solid var(--ws-line);
  border-radius: 10px;
  padding: 8px 5px;
  background: rgba(255,255,255,0.025);
  color: var(--ws-text);
}
.world-studio .voice-button svg { width: 21px; height: 21px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.7; }
.world-studio .voice-button span { color: var(--ws-muted); font-size: 8px; }
.world-studio .voice-button:hover:not(:disabled) { border-color: rgba(121, 223, 189, 0.48); background: var(--ws-accent-soft); color: var(--ws-accent); transform: none; }
.world-studio .voice-button.is-listening { border-color: var(--ws-danger); background: rgba(228, 134, 116, 0.1); color: #f1aa9c; animation: voiceListeningPulse 1.45s ease-in-out infinite; }
.world-studio .voice-button.is-listening span { color: #f1aa9c; }
.world-studio .voice-button:disabled { opacity: 0.4; cursor: not-allowed; }
.world-studio .send-update {
  display: inline-flex;
  min-width: 124px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid rgba(121, 223, 189, 0.28);
  border-radius: 10px;
  background: var(--ws-accent-soft);
  color: var(--ws-accent);
  font-weight: 630;
}
.world-studio .send-update svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.8; }
.world-studio .send-update:hover:not(:disabled) { border-color: var(--ws-accent); background: var(--ws-accent); color: #09251d; transform: none; }
.world-studio .prompt-helper { margin: 7px 0 0; color: var(--ws-muted); font-size: 9px; }
.world-studio .prompt-helper[data-state="working"] { color: #a7cfc2; }
.world-studio .prompt-helper[data-state="persistent"] { color: var(--ws-accent); }
.world-studio .prompt-helper[data-state="one_time"] { color: #e7c58f; }
.world-studio .prompt-helper[data-state="error"] { color: #f1aa9c; }
.world-studio .prompt-log-panel {
  margin-top: 9px;
  overflow: hidden;
  border: 1px solid var(--ws-line);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.018);
}
.world-studio .prompt-log-panel summary {
  display: flex;
  min-height: 36px;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 0 12px;
  color: var(--ws-text);
  cursor: pointer;
  list-style: none;
  user-select: none;
}
.world-studio .prompt-log-panel summary::-webkit-details-marker { display: none; }
.world-studio .prompt-log-panel summary::before {
  content: "›";
  color: var(--ws-accent);
  font-size: 18px;
  line-height: 1;
  transition: transform 150ms ease;
}
.world-studio .prompt-log-panel[open] summary::before { transform: rotate(90deg); }
.world-studio .prompt-log-panel summary > span { flex: 1; font-size: 11px; font-weight: 620; }
.world-studio .prompt-log-panel summary > small { color: var(--ws-muted); font-size: 9px; }
.world-studio .prompt-log-panel[open] summary { border-bottom: 1px solid var(--ws-line); background: rgba(121, 223, 189, 0.025); }
.world-studio .prompt-log-empty { padding: 16px 12px; color: var(--ws-muted); font-size: 10px; text-align: center; }
.world-studio .prompt-log-list {
  display: grid;
  max-height: 360px;
  gap: 8px;
  margin: 0;
  overflow: auto;
  padding: 10px;
  list-style: none;
}
.world-studio .prompt-log-entry {
  display: grid;
  gap: 7px;
  border: 1px solid rgba(243, 241, 233, 0.09);
  border-radius: 8px;
  padding: 9px 10px;
  background: rgba(0, 0, 0, 0.16);
}
.world-studio .prompt-log-entry[data-change-type="one_time"] { border-color: rgba(231, 197, 143, 0.22); }
.world-studio .prompt-log-entry[data-trigger="rule"] { border-left: 3px solid rgba(130, 164, 204, 0.55); }
.world-studio .prompt-log-entry[data-trigger="user"] { border-left: 3px solid rgba(121, 223, 189, 0.62); }
.world-studio .prompt-log-entry-header { display: flex; align-items: center; gap: 6px; }
.world-studio .prompt-log-entry-header > b { color: var(--ws-muted); font-size: 9px; font-weight: 600; }
.world-studio .prompt-log-entry-header time { margin-left: auto; color: var(--ws-muted); font-size: 8px; font-variant-numeric: tabular-nums; }
.world-studio .prompt-log-badge { border: 1px solid var(--ws-line); border-radius: 999px; padding: 2px 6px; color: var(--ws-muted); font-size: 8px; }
.world-studio .prompt-log-entry[data-trigger="user"] .prompt-log-source { border-color: rgba(121, 223, 189, 0.28); color: var(--ws-accent); }
.world-studio .prompt-log-entry[data-trigger="rule"] .prompt-log-source { border-color: rgba(130, 164, 204, 0.3); color: #aac4e3; }
.world-studio .prompt-log-entry[data-change-type="one_time"] .prompt-log-type { border-color: rgba(231, 197, 143, 0.3); color: #e7c58f; }
.world-studio .prompt-log-entry[data-change-type="persistent"] .prompt-log-type { border-color: rgba(121, 223, 189, 0.24); color: var(--ws-accent); }
.world-studio .prompt-log-context { margin: 0; color: #b4bbb5; font-size: 9px; line-height: 1.45; }
.world-studio .prompt-log-full {
  max-height: 190px;
  margin: 0;
  overflow: auto;
  border-radius: 6px;
  padding: 8px 9px;
  background: #0a0f0f;
  color: #d5d9d3;
  font: 9px/1.55 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  white-space: pre-wrap;
  word-break: break-word;
}

.world-studio .session-notice { margin-bottom: 10px; border: 1px solid rgba(228, 134, 116, 0.32); border-radius: 10px; padding: 9px 12px; background: rgba(228, 134, 116, 0.08); color: #f1aa9c; font-size: 11px; text-align: center; }
.world-studio .session-notice[hidden],
.world-studio .model-parameters-grid[hidden],
.world-studio .compatibility-instrumentation[hidden],
.world-studio .runtime-defaults[hidden],
.world-studio .trace-panel[hidden],
.world-studio [hidden] { display: none; }

.world-studio .preview-overlay { position: absolute; inset: 0; z-index: 4; display: none; place-items: center; pointer-events: none; background: rgba(9, 13, 13, 0.36); }
.world-studio .happyoyster-reference-image { position: absolute; inset: 0; z-index: 1; width: 100%; height: 100%; object-fit: cover; background: #090d0d; }
.world-studio .model-player[data-model-key="happyoyster"][data-session-state="live"] .happyoyster-reference-image { display: none; }
.world-studio .model-player[data-model-key="happyoyster"] video { position: relative; z-index: 2; opacity: 0; }
.world-studio .model-player[data-model-key="happyoyster"][data-session-state="live"] video { opacity: 1; }
.world-studio .preview-status-text { max-width: min(82%, 30rem); padding: 0.65rem 0.9rem; border-radius: 0.65rem; color: rgba(236, 245, 242, 0.9); background: rgba(8, 14, 13, 0.78); text-align: center; line-height: 1.45; }
.world-studio .happyoyster-progress { width: min(72%, 24rem); height: 0.35rem; overflow: hidden; border-radius: 999px; background: rgba(236, 245, 242, 0.2); box-shadow: 0 0 0 1px rgba(8, 14, 13, 0.55); }
.world-studio .happyoyster-progress > span { display: block; width: var(--progress, 0%); height: 100%; border-radius: inherit; background: var(--ws-accent); transition: width 260ms ease; }
.world-studio .model-player[data-model-key="happyoyster"][data-session-state="preparing"] .preview-overlay,
.world-studio .model-player[data-model-key="happyoyster"][data-session-state="ready"] .preview-overlay,
.world-studio .model-player[data-model-key="happyoyster"][data-session-state="connecting"] .preview-overlay,
.world-studio .model-player[data-model-key="happyoyster"][data-session-state="error"] .preview-overlay { display: grid; align-content: center; gap: 0.8rem; }
.world-studio .model-player[data-model-key="happyoyster"][data-session-state="error"] .preview-loader { display: none; }
.world-studio .model-player[data-model-key="happyoyster"][data-session-state="error"] .preview-status-text { color: #ffb2a4; border: 1px solid rgba(244, 126, 104, 0.28); }
.world-studio .stage[data-preview-state="waiting"] .preview-overlay { display: grid; }
.world-studio .preview-loader { width: 22px; height: 22px; border: 2px solid rgba(243,241,233,0.2); border-top-color: var(--ws-accent); border-radius: 50%; animation: previewProgressSpin 0.8s linear infinite; }
.world-studio .preview-unavailable-text { display: none; color: var(--ws-muted); font-size: 11px; }
.world-studio .model-player[data-session-state="unavailable"] .preview-overlay { display: grid; background: rgba(9,13,13,0.88); }
.world-studio .model-player[data-session-state="unavailable"] .preview-loader { display: none; }
.world-studio .model-player[data-session-state="unavailable"] .preview-unavailable-text { display: inline; }

.world-studio .stage:fullscreen {
  width: 100vw;
  height: 100vh;
  max-width: none;
  overflow: auto;
  padding: 20px;
  background: var(--ws-bg);
}
.world-studio .stage:fullscreen .model-player-grid { min-height: 0; flex: 1; }
.world-studio .stage:fullscreen .preview-frame { height: 100%; aspect-ratio: auto; }
.world-studio .stage:fullscreen .model-parameters-grid,
.world-studio .stage:fullscreen .session-notice { display: none; }

@container (max-width: 1000px) {
  .world-studio .model-player-telemetry .stream-chip { display: none; }
  .world-studio .model-player-title { padding: 0 10px; }
  .world-studio .stage-controls { padding-inline: 9%; }
}

@media (max-width: 1040px) {
  .world-studio .shell { grid-template-columns: 260px minmax(0, 1fr); }
  .world-studio .controls { padding-inline: 18px; }
  .world-studio .workspace { padding-inline: 18px; }
  .world-studio .preset { grid-template-columns: 76px minmax(0, 1fr); }
  .world-studio .preset-thumb { width: 76px; }
  .world-studio .prompt-update-heading { align-items: start; flex-direction: column; gap: 3px; }
}

@media (max-width: 820px) {
  .world-studio .app-header { padding-inline: 18px; }
  .world-studio .shell { grid-template-columns: 1fr; }
  .world-studio .controls { min-height: auto; border-right: 0; border-bottom: 1px solid var(--ws-line); }
  .world-studio .entry-actions { margin-top: 6px; }
  .world-studio .preset-list { grid-template-columns: repeat(2, minmax(0, 1fr)); max-height: none; }
  .world-studio .model-player-grid { grid-template-columns: 1fr; }
  .world-studio .model-player-grid.is-three-up { grid-template-columns: 1fr; }
  .world-studio .model-slot-config { flex-wrap: wrap; align-items: end; }
  .world-studio .stage-controls { gap: 44px; padding-inline: 4%; }
  .world-studio .prompt-composer { grid-template-columns: minmax(0, 1fr) 64px; }
  .world-studio .send-update { grid-column: 1 / -1; min-height: 44px; }
}

@media (max-width: 520px) {
  .world-studio .preset-list { grid-template-columns: 1fr; }
  .world-studio .workspace { padding: 20px 12px; }
  .world-studio .stage-controls { justify-content: center; gap: 50px; }
  .world-studio .camera-pad { grid-template-columns: repeat(3, 38px); }
  .world-studio .camera-pad > span,
  .world-studio .stage-controls .camera-pad button { width: 38px; height: 38px; min-height: 38px; }
}

@keyframes voiceListeningPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(228, 134, 116, 0); }
  50% { box-shadow: 0 0 0 5px rgba(228, 134, 116, 0.1); }
}