/* CarbonFX / Signal Desk
 * Semantic surface and size layer. Layout/interaction primitives live in styles.css.
 * Original assets only; Marathon references inform hierarchy, not copied artwork.
 */
:root {
  color-scheme: dark;
  --desk: #191c21;
  --surface: #24282f;
  --surface-soft: #20242a;
  --surface-raised: #30363f;
  --surface-input: #1d2229;
  --surface-hover: #3a4350;
  --surface-selected: #303a25;
  --text: #f4f6f8;
  --text-secondary: #c6ced6;
  --text-muted: #aab6c2;
  --on-accent: #151a20;
  --border: #46505b;
  --border-strong: #788695;
  --focus: #58e8f2;
  --accent-appearance: #45c9e8;
  --accent-motion: #b98cf4;
  --accent-output: #caff16;
  --accent-remote: #f0a05d;
  --stage: #12161b;
  --stage-text: #edf1f3;
  --stage-muted: #b7c2ca;
  --success-text: #8adcb0;
  --warning-text: #f2cc86;
  --error-text: #ffaba5;
  --warning-surface: #3b3026;
  --radius-control: 2px;
  --radius-card: 2px;
  --radius-panel: 6px;
  --shadow-float: 0 16px 48px #080c1466, 0 2px 8px #080c1433;
  --black: var(--desk);
  --ink: var(--stage);
  --panel: var(--surface);
  --panel-raised: var(--surface-raised);
  --panel-high: var(--surface-soft);
  --white: var(--text);
  --muted: var(--text-muted);
  --muted-strong: var(--text-secondary);
  --line: var(--border);
  --line-strong: var(--border-strong);
  --header-height: 72px;
  --command-height: 56px;
  --footer-height: 32px;
  --studio-tabs-height: 48px;
  --motion-fast: 160ms;
}

html, body { background: var(--desk); }
body { color: var(--text); font-size: 14px; line-height: 1.45; }
button, select, input:not([type="range"]):not([type="checkbox"]) {
  min-height: 36px;
  border-radius: var(--radius-control);
  border-color: var(--border-strong);
  background: var(--surface-raised);
  color: var(--text);
}
button {
  padding-inline: 10px;
  font: 600 13px/1.3 var(--font-sans);
  letter-spacing: 0;
  text-transform: none;
  transition-property: border-color, background-color, color, box-shadow;
}
button:hover:not(:disabled) {
  border-color: var(--text);
  background: var(--surface-hover);
  color: var(--text);
}
button:active:not(:disabled) { transform: none; background: var(--surface-soft); }
button:disabled, input:disabled, select:disabled { opacity: .55; }
button[aria-pressed="true"], button[aria-selected="true"],
button[aria-pressed="true"]:hover:not(:disabled), button[aria-selected="true"]:hover:not(:disabled) {
  border-color: #677d19;
  background: var(--yellow);
  color: var(--on-accent);
  box-shadow: inset 0 -2px 0 #20262b40;
}
.mobile-eye-switch button[aria-selected="true"]:is(:hover, :focus-visible) { background: var(--yellow); color: var(--on-accent); }
select, input:not([type="range"]):not([type="checkbox"]) {
  padding: 7px 10px;
  background: var(--surface-input);
  font: 400 14px/1.35 var(--font-sans);
}
select { padding-right: 28px; }
input[type="color"] { padding: 4px; }
input[type="color"]::-webkit-color-swatch-wrapper { padding: 0; }
input[type="color"]::-webkit-color-swatch { border: 1px solid #20262b40; border-radius: 0; }
input[type="checkbox"] { width: 17px; height: 17px; accent-color: var(--accent-output); }
input[type="range"] { min-height: 24px; accent-color: var(--accent-output); }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }
.ui-icon { width: 18px; height: 18px; flex-basis: 18px; filter: none; }
.button-has-icon { gap: 6px; }
button[aria-pressed="true"] .ui-icon, button[aria-selected="true"] .ui-icon, .primary-action .ui-icon { filter: brightness(0); }
.select-with-icon select { padding-left: 34px; }
.select-leading-icon { left: 9px; }
.primary-action, .primary-action:hover:not(:disabled) {
  background: var(--yellow);
  border-color: #80992e;
  color: var(--on-accent);
}
.primary-action:hover:not(:disabled) { box-shadow: inset 0 0 0 1px var(--on-accent); }
.icon-button, .transport-button { display: inline-grid; place-items: center; width: 36px; min-width: 36px; padding: 0; }
.checkbox-field, .loop-toggle { min-height: 36px; }
button svg { width: 18px; height: 18px; stroke-linecap: round; stroke-linejoin: round; }

/* Keep the homepage's flush, full-height Silicore brand column. Header padding
 * must not shrink the grid track around a separately padded logo card. */
.app-header {
  grid-template-columns: 202px minmax(270px, 1fr) minmax(190px, auto) auto;
  padding: 0;
  gap: 0;
  background: var(--surface);
  border-bottom: 0;
  box-shadow: inset 0 -1px var(--border);
}
.app-header::after, .brand-panel::after, .product-heading .eyebrow { display: none; }
.brand-panel { align-self: stretch; min-height: 0; justify-content: flex-start; border-radius: 0; padding: 0 30px; background: var(--blue); }
.brand-panel img { display: block; width: auto; height: 40px; max-width: 100%; max-height: 40px; object-fit: contain; filter: drop-shadow(0 0 12px rgba(255, 255, 255, .2)); }
.product-heading { padding: 10px 24px; border: 0; }
.product-heading__logo {
  display: block;
  flex: 0 0 auto;
  width: 224px;
  max-width: 100%;
  height: auto;
}
.product-heading strong { font: 800 22px/1.1 var(--font-sans); letter-spacing: -.035em; text-transform: none; }
.product-heading__subtitle { margin-top: 5px; font: 13px/1.4 var(--font-sans); }
.header-telemetry {
  align-self: center;
  min-height: 38px;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font: 600 13px/1.2 var(--font-sans);
  background: var(--surface-soft);
}
.header-telemetry__detail { font: 12px/1.3 var(--font-sans); }
.header-telemetry > .status-dot { grid-column: 1; grid-row: 1 / 3; align-self: center; }
.header-telemetry > [data-connection-label] { grid-column: 2; grid-row: 1; }
.header-telemetry > .header-telemetry__detail { grid-column: 2; grid-row: 2; }
.header-actions { align-items: center; gap: 8px; padding-right: 16px; }
.header-home { min-height: 36px; padding: 0 12px; border-radius: var(--radius-control); font: 700 13px var(--font-sans); }
.header-actions > * { min-width: 58px; }
.app-header .language-picker__button { border-radius: 50%; color: var(--text); }
.app-header .language-picker__menu { border: 1px solid var(--border-strong); border-radius: var(--radius-control); background: var(--surface); color: var(--text); box-shadow: var(--shadow-float); }
.app-header .language-picker__menu button { border-radius: 0; }
.app-header .language-picker__menu button:hover, .app-header .language-picker__menu button[aria-checked="true"] { background: var(--yellow); color: var(--on-accent); }
body output { font-family: var(--font-sans) !important; font-variant-numeric: tabular-nums; }
.browser-gate { background: var(--warning-surface); border-color: #9eac70; padding: 10px 16px; }
.browser-gate p { color: var(--text-secondary); font-size: 14px; }

/* Two command lanes, then two eye stacks surrounding the light-proof stage. */
.command-bar {
  gap: 8px 12px;
  padding: 8px 16px;
  background: var(--surface-soft);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.project-cluster { order: 1; flex: 1 1 auto; }
.device-cluster { order: 2; }
.edit-cluster { order: 2; flex: 0 0 auto; }
.device-cluster { order: 3; }
.project-cluster, .edit-cluster, .device-cluster { gap: 8px; }
.effect-picker { grid-template-columns: auto minmax(140px, 220px); font: 600 13px var(--font-sans); }
.effect-picker select { min-height: 36px; font-family: var(--font-sans); }
.command-divider { margin-inline: 4px; background: var(--border); }
.studio-grid {
  width: 100%;
  max-width: none;
  margin-inline: 0;
  padding: 14px 16px;
  gap: 12px;
  min-height: auto;
  background: var(--desk);
  --desk-row-height: clamp(380px, calc(54vh + 60px), 940px);
  grid-template-columns: clamp(220px, 12vw, 300px) clamp(240px, 14vw, 380px) minmax(0, 1fr) clamp(240px, 14vw, 380px);
  grid-template-rows: var(--desk-row-height) auto;
  grid-template-areas: "presets left preview right" "inspector inspector inspector inspector";
  align-items: stretch;
}
.eye-panel, .preview-panel, .inspector-panel, .preset-panel {
  border: 1px solid var(--border);
  border-radius: var(--radius-panel);
  background: var(--surface);
}
.eye-panel { min-height: 0; max-height: none; }
.preset-panel {
  display: grid;
  grid-area: presets;
  grid-template-rows: minmax(0, 1fr);
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  border-top-color: var(--accent-remote);
}
.preset-library {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  min-width: 0;
  min-height: 0;
  height: 100%;
  overflow: hidden;
}
.preset-library::details-content {
  display: grid;
  grid-template-rows: minmax(0, 1fr);
  min-height: 0;
  overflow: hidden;
}
.preset-library > summary { cursor: pointer; list-style: none; position: relative; z-index: 1; }
.preset-library > summary::-webkit-details-marker { display: none; }
.preset-library > summary::after { content: "−"; color: var(--text-muted); }
.preset-library:not([open]) > summary::after { content: "+"; }
.preset-library > summary.panel-heading { border-top-color: var(--accent-remote); }
.preset-library__body {
  display: grid;
  min-height: 0;
  gap: 12px;
  padding: 12px;
  overflow-x: hidden;
  overflow-y: auto;
  scrollbar-gutter: stable;
}
.preset-library:not([open]) > .preset-library__body { display: none; }
.preset-library__body > p { margin: 0; color: var(--text-muted); font-size: 12px; line-height: 1.5; }
.preset-library .preset-grid, .preset-library .project-effects ul { grid-template-columns: minmax(0, 1fr); }
.preset-library .project-effects { margin-top: 0; padding-top: 12px; }
.preset-library .project-effects > button { margin-block: 8px; }
.preset-library .preset-card__art { height: auto; aspect-ratio: 3 / 2; object-fit: contain; background: #171b21; }
.preset-library .preset-card__copy { padding: 8px; }
.preset-library .preset-card__description { font-size: 12px; margin-top: 4px; }
.preset-library .project-effect-row { min-width: 0; }
.preset-library .project-effect-row > button:first-child { min-width: 0; padding: 6px; }
.eye-transform-toolbar { display: grid; grid-template-columns: minmax(180px, 1fr) minmax(0, auto) minmax(180px, 1fr); grid-template-areas: "effect-name eye-actions timing"; align-items: end; gap: 10px 14px; padding: 8px 10px; border-bottom: 1px solid var(--border); background: var(--surface-soft); }
.effect-name-control { grid-area: effect-name; display: grid; gap: 5px; width: 100%; max-width: 280px; min-width: 0; justify-self: start; }
.effect-name-control input { min-width: 0; }
.eye-transform-actions { grid-area: eye-actions; display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 6px; min-width: 0; justify-self: center; }
.preview-timing-controls { grid-area: timing; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; width: 100%; max-width: 320px; min-width: 0; justify-self: end; }
.preview-timing-controls > label { display: grid; }
.preview-panel { container-type: inline-size; grid-template-rows: auto auto minmax(0, 1fr) auto; }
@container (max-width: 760px) {
  .eye-transform-toolbar { grid-template-columns: repeat(2, minmax(0, 1fr)); grid-template-areas: "effect-name timing" "eye-actions eye-actions"; }
  .effect-name-control, .preview-timing-controls { width: 100%; max-width: none; }
  .eye-transform-actions { width: 100%; justify-self: stretch; }
}
.panel-heading { min-height: 56px; padding: 10px 12px; border: 0; border-top: 4px solid var(--accent-appearance); background: var(--surface-raised); }
.eye-panel--right .panel-heading { border-top-color: var(--accent-motion); }
.panel-heading h1, .panel-heading h2, .inspector-intro h3, .subheading h4 {
  font: 750 16px/1.3 var(--font-sans);
  letter-spacing: -.02em;
  text-transform: none;
}
.add-layer-button { padding-inline: 10px; border-color: var(--border); color: var(--text); font-size: 13px; }
.stack-order { padding: 8px 12px; border: 0; font: 11px/1.45 var(--font-sans); letter-spacing: 0; text-transform: none; }
.layer-list { padding: 0 10px 10px; }
.layer-empty { border-radius: 0; font: 13px/1.5 var(--font-sans); }
.layer-item {
  --layer-accent: #bac4ce;
  grid-template-columns: 32px minmax(0, 1fr) repeat(3, 32px);
  grid-template-rows: auto 32px;
  gap: 0 4px;
  min-height: 84px;
  margin-bottom: 8px;
  padding: 4px;
  border: 1px solid var(--border);
  border-top: 5px solid var(--layer-accent);
  border-radius: var(--radius-card);
  background: var(--surface-raised);
}
.layer-item:has(img[src$="layer-gradient.svg"]), [data-layer-type="gradient"] { --layer-accent: var(--accent-motion); }
.layer-item:has(img[src$="layer-blink.svg"]), [data-layer-type="blink"] { --layer-accent: #49d8a1; }
.layer-item:has(img[src$="layer-image.svg"]), [data-layer-type="image"] { --layer-accent: #52b5f5; }
.layer-item:has(img[src$="layer-pulse.svg"]), [data-layer-type="pulse"] { --layer-accent: var(--accent-remote); }
.layer-item:has(img[src$="layer-arc.svg"]), [data-layer-type="arc"] { --layer-accent: var(--accent-appearance); }
.layer-item:has(img[src$="layer-sparkle.svg"]), [data-layer-type="sparkle"] { --layer-accent: #d4dc75; }
.layer-item.is-selected { border-color: #819649; border-top-color: var(--layer-accent); background: var(--surface-selected); box-shadow: inset 3px 0 0 var(--accent-output); }
.layer-item.is-picked { background: var(--surface-selected); outline: 2px solid var(--focus); }
.layer-item:hover { border-color: var(--text-secondary); border-top-color: var(--layer-accent); }
.layer-swatch { grid-column: 1; grid-row: 1; width: 28px; height: 28px; margin: 2px; border-radius: 0; }
.layer-copy { grid-column: 2 / -1; grid-row: 1; padding: 4px; }
.layer-copy strong { font: 700 14px/1.35 var(--font-sans); }
.layer-copy span { margin-top: 2px; font: 11px/1.3 var(--font-sans); text-transform: none; }
.layer-item > :is(.layer-grip, .layer-visibility, .layer-duplicate, .layer-delete) {
  grid-row: 2;
  display: grid;
  place-items: center;
  align-self: center;
  justify-self: center;
  width: 32px;
  height: 32px;
  min-width: 32px;
  min-height: 32px;
  padding: 0;
  line-height: 1;
  border: 0;
  background: transparent;
}
.layer-item > .layer-grip { grid-column: 1; }
.layer-item > .layer-visibility { grid-column: 3; }
.layer-item > .layer-visibility[aria-pressed="true"] { background: #424e3b; border: 0; box-shadow: none; }
.layer-item > .layer-visibility[aria-pressed="true"] .ui-icon { filter: none; }
.layer-item > .layer-duplicate { grid-column: 4; }
.layer-item > .layer-delete { grid-column: 5; }
.layer-type-icon { border-radius: 0; filter: none; }
.layer-delete:hover:not(:disabled) { background: #613d3d; }

/* Dark islands deliberately protect LED/gradient color perception. */
.preview-panel { overflow: hidden; background: var(--stage); color: var(--stage-text); }
.preview-heading { border-top-color: var(--yellow); background: #29323b; flex-wrap: wrap; }
.preview-heading h2 { font-size: 16px; }
.preview-mode { gap: 6px; }
.preview-mode button + button { margin-left: 0; }
.preview-mode button { padding-inline: 10px; background: #3c4650; border-color: #697681; color: var(--stage-text); font-size: 13px; }
.preview-mode button .ui-icon { filter: none; }
.preview-mode button:hover:not(:disabled) { background: #4e5d69; border-color: #a5b1ba; color: var(--stage-text); }
.preview-mode button[aria-pressed="true"], .preview-mode button[aria-pressed="true"]:is(:hover, :focus-visible) { background: var(--yellow); color: var(--on-accent); border-color: var(--yellow); }
.preview-mode button[aria-pressed="true"] .ui-icon { filter: brightness(0); }
.preview-stage { min-height: 0; padding: 16px; gap: 18px; background: var(--stage); grid-template-columns: repeat(2, minmax(0, 1fr)); overflow: hidden; }
.preview-stage::before { border: 0; }
.preview-stage::after { display: none; }
.eye-monitor { width: min(100%, 720px); max-width: 720px; justify-self: center; }
@media (min-width: 821px) {
  .preview-stage { container-type: size; }
  .eye-monitor { width: min(100%, max(0px, calc(100cqh - 32px)), 720px); }
}
.eye-monitor figcaption { margin-bottom: 12px; color: var(--stage-muted); font: 600 13px/1.4 var(--font-sans); letter-spacing: 0; }
.eye-monitor canvas { border-radius: 2px; border-color: #4e5b66; box-shadow: none; }
.eye-monitor figcaption { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
.shell-preview { display: flex; align-items: center; gap: 6px; min-width: 0; font-size: 12px; }
.shell-preview select { width: 108px; min-width: 0; padding: 4px 8px; min-height: 32px; font-size: 12px; }
.shell-preview .setting-caption { color: var(--stage-muted); }
.preview-heading .shell-preview { margin-left: auto; }
.device-slots-section,
.device-actions-section { min-width: 0; }
.device-slots-section > p,
.device-actions-section > p { max-width: 76ch; color: var(--text-muted); }
.device-slots-section .remote-grid,
.remote-actions-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.device-actions-section { display: grid; grid-template-columns: minmax(0, 1fr); align-items: start; gap: 14px; margin: 0; padding: 0; border: 0; background: transparent; }
.device-actions-controls { grid-column: 1 / -1; min-width: 0; padding: 2px 0; }
.device-actions-toolbar { display: flex; min-width: 0; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }
.device-actions-status { min-height: 1.5em; margin: 10px 0 0; color: var(--text-secondary); }
.device-actions-status[data-state="error"] { color: var(--error-text); }
.device-actions-subsection { min-width: 0; margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--border); }
.device-actions-subsection .subheading { margin-bottom: 10px; }
.device-actions-test-note { margin: 14px 0 0; }
.remote-actions-grid { display: grid; gap: 12px; margin-top: 16px; }
.remote-action-card { min-width: 0; padding: 12px; border: 1px solid var(--border); border-top: 4px solid var(--accent-remote); border-radius: var(--radius-card); background: var(--surface-raised); }
.remote-action-card > .setting-caption:first-child { margin-bottom: 10px; color: var(--text); font: 750 15px/1.4 var(--font-sans); }
.remote-action-card__head { display: flex; min-width: 0; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 10px; font: 750 15px/1.4 var(--font-sans); }
.remote-action-card__rows { display: grid; gap: 10px; }
.remote-action-card__row { display: grid; min-width: 0; gap: 8px; padding-top: 10px; border-top: 1px solid var(--border); }
.remote-action-card__row + .remote-action-card__row { margin-top: 14px; }
.remote-action-card__row-title { color: var(--text-secondary); font: 600 13px/1.4 var(--font-sans); }
.remote-action-card__fields { display: grid; min-width: 0; grid-template-columns: minmax(0, 1fr); gap: 8px; }
.remote-action-card__fields label { display: grid; min-width: 0; gap: 5px; color: var(--text-muted); font: 600 12px/1.4 var(--font-sans); }
.remote-action-card__test { display: flex; width: 100%; min-width: 0; height: auto; padding-block: 7px; align-items: center; justify-content: center; gap: 6px; white-space: normal; }
.remote-action-card__test > span { min-width: 0; overflow-wrap: anywhere; }
.remote-card__actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.remote-card__actions button { min-width: 0; min-height: 40px; height: auto; padding-block: 7px; white-space: normal; }
.slot-preview-button { border-color: var(--accent-remote); }
.device-transfer-actions { display: flex; justify-content: flex-end; margin-top: 8px; }
.device-transfer-actions:has(> [hidden]) { display: none; }
.device-slots-section .progress-block { max-width: none; }
@media (max-width: 1000px) {
  .device-slots-section .remote-grid,
  .remote-actions-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 560px) {
  .device-slots-section .remote-grid,
  .remote-actions-grid { grid-template-columns: minmax(0, 1fr); }
  .device-actions-toolbar { display: grid; width: 100%; grid-template-columns: minmax(0, 1fr); }
  .device-actions-toolbar button,
  .remote-card__actions button,
  .remote-action-card__test { min-height: 44px; }
  .remote-action-card__fields { grid-template-columns: minmax(0, 1fr); }
}
.eye-monitor canvas[data-shell-mask]:not([data-shell-mask="none"]) { border-color: transparent; border-radius: 0; }

/* Adjustment curves are a single flat plot, not another stack of cards. */
.layer-form.adjustment-inspector { grid-template-areas: "identity identity" "appearance appearance"; }
.control-grid.adjustment-parameters { border-top: 1px solid var(--border); padding-top: 12px; }
.control-grid.adjustment-parameters[data-adjustment-type="levels"] { grid-template-columns: repeat(3, minmax(0, 240px)); }
.control-grid.adjustment-parameters[data-adjustment-type="levels"] > :nth-child(4) { grid-column: 1; }
.control-grid.adjustment-parameters[data-adjustment-type="levels"] > :nth-child(5) { grid-column: 3; }
.curve-editor { width: min(100%, 580px); display: grid; grid-template-columns: minmax(0, 360px) minmax(140px, 1fr); gap: 12px; }
.curve-editor__help { grid-column: 1 / -1; }
.curve-editor svg[data-curve-chart] { grid-column: 1; grid-row: 2 / 4; }
.curve-editor__properties { grid-column: 2; grid-row: 2; align-self: start; }
.curve-editor__actions { grid-column: 2; grid-row: 3; align-self: start; flex-direction: column; }
.curve-editor__help { margin: 0; color: var(--text-secondary); font-size: 12px; line-height: 1.5; }
.curve-editor svg[data-curve-chart] { display: block; width: min(100%, 360px); aspect-ratio: 1; background: var(--stage); border: 1px solid var(--border-strong); touch-action: none; user-select: none; overflow: visible; }
.curve-editor__grid { fill: none; stroke: var(--border); stroke-width: 1; }
.curve-editor__diagonal { fill: none; stroke: var(--text-muted); stroke-dasharray: 3 4; }
.curve-editor { --curve-color: var(--accent-appearance); }
.curve-editor[data-channel="red"] { --curve-color: #ff9999; }
.curve-editor[data-channel="green"] { --curve-color: #a0f39b; }
.curve-editor[data-channel="blue"] { --curve-color: #9fbaff; }
.curve-editor__line { fill: none; stroke: var(--curve-color); stroke-width: 2; pointer-events: none; }
[data-curve-point] { fill: var(--curve-color); stroke: transparent; stroke-width: 12; cursor: move; }
[data-curve-point][aria-selected="true"] { fill: var(--yellow); }
[data-curve-point]:focus-visible { outline: 2px solid var(--focus); outline-offset: 3px; }
.curve-editor__properties { display: grid; grid-template-columns: minmax(0, 1fr); gap: 12px; }
.curve-editor__actions { display: flex; flex-wrap: wrap; gap: 8px; }
.layer-menu { max-height: min(680px, calc(100dvh - 32px)); overflow-y: auto; overscroll-behavior: contain; }
.timeline { padding: 8px 12px; gap: 8px; border-color: #47535e; background: #29323b; grid-template-columns: auto minmax(60px, 1fr) auto; }
.timeline input[type="range"] { accent-color: var(--yellow); }
.frame-number { display: none; }
.loop-toggle { color: var(--stage-text); font: 600 13px/1.3 var(--font-sans); }
.loop-toggle .ui-icon { filter: none; }
.loop-toggle input { accent-color: var(--yellow); }
.timeline-readout { grid-column: 2 / -1; min-width: 0; color: var(--stage-muted); font: 13px/1.3 var(--font-sans); font-variant-numeric: tabular-nums; }
.preview-panel :focus-visible { outline-color: var(--yellow); }

/* Inspector spans the desk: space for readable values, without nested tiny columns. */
.inspector-panel { display: grid; grid-template-columns: minmax(0, 1fr); grid-template-rows: minmax(0, 1fr); min-height: 240px; }
.inspector-body { overflow: visible; }
.inspector-view { padding: 16px; }
.layer-form { gap: 16px 20px; align-items: start; grid-template-columns: minmax(0, 1fr); grid-template-areas: "identity" "appearance" "motion"; }
.layer-identity { grid-area: identity; display: grid; grid-template-columns: auto minmax(0, 360px); align-items: center; justify-content: start; gap: 12px; color: var(--text-secondary); font: 600 13px/1.4 var(--font-sans); }
.appearance-settings { grid-area: appearance; }
.motion-settings { grid-area: motion; }
.form-section, .form-section:last-child { gap: 12px; padding: 0; border: 0; border-radius: 0; background: transparent; }
.form-section > h3 { margin: 0; padding: 8px 10px; border-radius: 0; color: var(--text); background: var(--surface-soft); font: 750 14px/1.3 var(--font-sans); letter-spacing: 0; text-transform: none; }
.appearance-settings > h3 { background: var(--accent-appearance); color: var(--on-accent); }
.motion-settings > h3 { background: var(--accent-motion); color: var(--on-accent); }
.control-grid, .control-grid--wide, .motion-control-row, .appearance-settings .control-grid, .motion-settings > .control-grid, .motion-control-group .control-grid { grid-template-columns: repeat(auto-fill, minmax(min(100%, 175px), 240px)); gap: 12px; align-items: start; justify-content: start; }
.setting-caption { display: flex; align-items: center; gap: 6px; min-width: 0; }
.setting-caption > .ui-icon { width: 16px; height: 16px; flex: 0 0 16px; }
.scalar-field { display: grid; min-width: 0; gap: 5px; color: var(--text-secondary); font: 600 13px/1.4 var(--font-sans); }
.scalar-field-caption { min-width: 0; }
[data-scalar-control] { position: relative; display: block; min-width: 0; width: 100%; background: var(--surface-input); border-radius: var(--radius-control); isolation: isolate; }
[data-scalar-control]::before { content: ""; position: absolute; inset: 1px 27px 1px 1px; z-index: -1; pointer-events: none; background: linear-gradient(to right, transparent min(var(--scalar-zero, 0%), var(--scalar-fill, 0%)), #45c9e82b min(var(--scalar-zero, 0%), var(--scalar-fill, 0%)), #45c9e82b max(var(--scalar-zero, 0%), var(--scalar-fill, 0%)), transparent max(var(--scalar-zero, 0%), var(--scalar-fill, 0%))); }
.motion-settings [data-scalar-control]::before { background: linear-gradient(to right, transparent min(var(--scalar-zero, 0%), var(--scalar-fill, 0%)), #b98cf42b min(var(--scalar-zero, 0%), var(--scalar-fill, 0%)), #b98cf42b max(var(--scalar-zero, 0%), var(--scalar-fill, 0%)), transparent max(var(--scalar-zero, 0%), var(--scalar-fill, 0%))); }
[data-scalar-control]:has(input[min^="-"]) [data-scalar-track]::before { content: ""; position: absolute; top: 0; bottom: 0; left: var(--scalar-zero, 0%); width: 1px; background: #aab6c244; pointer-events: none; }
[data-scalar-track] { position: absolute; left: 1px; right: 27px; bottom: 1px; height: 10px; pointer-events: none; }
[data-scalar-track] > [data-scalar-edge] { position: absolute; left: clamp(0px, calc(var(--scalar-fill, 0%) - 6px), calc(100% - 12px)); bottom: 0; display: grid; place-items: end center; width: 12px; height: 10px; min-width: 0; min-height: 0; padding: 0; border: 0; border-radius: 0; background: transparent; color: var(--accent-appearance); pointer-events: auto; cursor: ew-resize; touch-action: pan-y; }
[data-scalar-edge-grip] { display: block; width: 3px; height: 8px; background: currentColor; }
.motion-settings [data-scalar-edge] { color: var(--accent-motion); }
[data-scalar-track] > [data-scalar-edge]:hover:not(:disabled) { color: var(--focus); background: transparent; }
[data-scalar-edge]:focus-visible { outline-offset: 1px; }
[data-scalar-edge-disabled] [data-scalar-track] { display: none; }
[data-scalar-control] > input[type="number"] { display: block; width: 100%; padding-right: 34px; background: transparent; appearance: textfield; -moz-appearance: textfield; font-variant-numeric: tabular-nums; }
[data-scalar-control] > input::-webkit-inner-spin-button, [data-scalar-control] > input::-webkit-outer-spin-button { appearance: none; margin: 0; }
[data-scalar-buttons] { position: absolute; top: 1px; bottom: 1px; right: 1px; width: 26px; display: grid; grid-template-rows: repeat(2, minmax(0, 1fr)); border-left: 1px solid var(--border); }
[data-scalar-buttons] > button { display: grid; place-items: center; width: 100%; min-width: 0; min-height: 0; height: 100%; padding: 0; border: 0; border-radius: 0; color: var(--text-muted); background: #30363f80; cursor: ew-resize; touch-action: pan-y; user-select: none; }
[data-scalar-buttons] svg { width: 10px; height: 6px; pointer-events: none; }
[data-scalar-buttons] > button:focus-visible { outline-offset: -2px; }
[data-scalar-control][data-scalar-dragging] { outline: 2px solid var(--focus); outline-offset: 1px; }
[data-scalar-disabled]::before, [data-scalar-empty]::before { display: none; }
[data-scalar-disabled] [data-scalar-buttons] > button, [data-scalar-readonly] [data-scalar-buttons] > button { cursor: not-allowed; }
.form-section > h3.setting-caption { display: flex; }
.appearance-settings > h3 .ui-icon, .motion-settings > h3 .ui-icon { filter: brightness(0); }
.control-grid > label, .field, .effect-name-control, .preview-timing-controls > label { min-width: 0; gap: 5px; color: var(--text-secondary); font: 600 13px/1.4 var(--font-sans); letter-spacing: 0; text-transform: none; }
.control-grid > .checkbox-field { align-self: end; }
.field-help, .loop-hint { font: 400 12px/1.5 var(--font-sans); }
.motion-control-group { padding: 10px 0 0; gap: 10px; border: 0; border-top: 1px solid var(--border); border-radius: 0; background: transparent; }
.motion-control-group > legend { padding: 0 8px 0 0; font: 700 13px/1.4 var(--font-sans); color: var(--text); }
.motion-control-group .checkbox-field { align-self: start; grid-column: 1 / -1; min-height: 28px; padding: 0; border: 0; border-radius: 0; background: transparent; }
.motion-control-group .field-help { margin: 0; }
.loop-locked-field { padding: 0; border: 0; border-radius: 0; background: transparent; }
.loop-quantized-value { color: #c2d7a2; font: 400 12px/1.4 var(--font-sans); }
.loop-hint { margin: 0; border: 0; border-radius: 0; background: transparent; padding: 0; color: var(--text-muted); }
.empty-inspector strong { color: var(--text); font: 750 20px/1.4 var(--font-sans); }
.empty-mark { border: 0; border-radius: 0; background: var(--surface-soft); color: var(--text); }
.image-drop { padding: 12px; border-radius: 0; background: var(--surface-soft); }
.image-preview { border-radius: 0; color: var(--stage-muted); font-size: 13px; }
.gradient-editor { border: 1px solid var(--border); border-radius: 0; background: var(--surface-soft); box-shadow: none; }
.gradient-editor-surface { border-radius: 0; }
.gradient-stop-properties { gap: 10px; padding: 10px; background: transparent; grid-template-columns: minmax(88px, .72fr) minmax(130px, 1fr) 44px; }
/* The selected-stop label is a full-width row: long translations must not
   overlap the position/color controls or be squeezed into a 70px badge. */
.gradient-stop-token { grid-column: 1 / -1; grid-row: 1; display: flex; align-items: center; gap: 10px; padding: 0; border: 0; border-radius: 0; background: transparent; }
.gradient-stop-token span { min-width: 0; overflow-wrap: anywhere; text-align: left; color: var(--text-muted); font: 600 12px/1.4 var(--font-sans); }
.gradient-stop-field--position { grid-column: 1; grid-row: 2; }
.gradient-stop-field--color { grid-column: 2; grid-row: 2; }
.gradient-stop-delete { grid-column: 3; grid-row: 2; }
.gradient-stop-token strong { color: var(--text); font: 750 18px/1.3 var(--font-sans); }
.gradient-stop-hex { border-radius: 0; background: var(--surface-input); font: 13px/1.3 var(--font-sans); }
.gradient-stop-delete { display: grid; place-items: center; padding: 0; color: var(--error-text); }
.gradient-editor__actions { padding: 10px; }
.preset-grid { grid-template-columns: repeat(auto-fill, minmax(min(100%, 230px), 1fr)); gap: 12px; }
.preset-card { border-radius: var(--radius-card); padding: 0; background: var(--surface-raised); }
.preset-card__art { height: 64px; border-bottom: 0; }
.preset-card__copy { padding: 12px; }
.preset-card__copy strong { font-size: 14px; }
.preset-card__description { margin-top: 8px; color: var(--text-secondary); font: 13px/1.5 var(--font-sans); }
.project-effects ul { gap: 10px; }
.project-effect-row { min-height: 44px; border-radius: var(--radius-card); background: var(--surface-raised); }
.project-effect-row.is-active { border-color: #708a24; background: var(--surface-selected); }
.project-effect-row > .layer-delete { display: grid; place-items: center; width: 36px; height: 36px; min-width: 36px; padding: 0; }
.remote-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.remote-card { border-radius: var(--radius-card); border-top: 4px solid var(--accent-remote); padding: 12px; background: var(--surface-raised); }
.remote-card__head { font: 750 15px/1.4 var(--font-sans); }
.remote-card__head span:last-child { color: var(--text); }
.remote-card label { font: 600 13px/1.4 var(--font-sans); }
.remote-card__meta { font: 13px/1.5 var(--font-sans); min-height: 36px; }
.progress-block { max-width: 720px; }
.warning-note { border-radius: 0; border-color: #b66b28; background: var(--warning-surface); padding: 12px; font-size: 13px; color: var(--text-secondary); }
.warning-note > span:first-child { border-radius: 50%; background: var(--accent-remote); color: var(--on-accent); }
.progress-block > div { font: 14px/1.5 var(--font-sans); }
progress { border-radius: 0; height: 10px; overflow: hidden; }
progress::-webkit-progress-bar { background: var(--surface-input); }
progress::-webkit-progress-value { background: var(--accent-appearance); }
progress::-moz-progress-bar { background: var(--accent-appearance); }
.layer-menu { --layer-accent: #bac4ce; width: min(332px, calc(100vw - 24px)); padding: 6px; gap: 4px; border-color: var(--border-strong); border-radius: var(--radius-control); background: var(--surface); box-shadow: var(--shadow-float); }
.layer-menu button { min-height: 42px; grid-template-columns: 24px 56px minmax(0, 1fr); gap: 8px; padding: 8px; border: 0; border-left: 5px solid var(--layer-accent); border-radius: 0; background: var(--surface-raised); }
.layer-menu button b { color: var(--text); font: 750 12px/1.3 var(--font-sans); }
.layer-menu button span { color: var(--text-secondary); font: 500 14px/1.4 var(--font-sans); }
@supports (top: anchor(bottom)) {
  .layer-menu[data-anchor-eye="left"], .layer-menu[data-anchor-eye="right"] {
    left: clamp(12px, anchor(left), calc(100vw - 344px));
    right: auto;
  }
}
.confirm-dialog, .remap-dialog { border: 1px solid var(--border-strong); border-radius: var(--radius-panel); background: var(--surface); color: var(--text); box-shadow: var(--shadow-float); }
.confirm-dialog::backdrop, .remap-dialog::backdrop { background: #17202bb3; }
.confirm-dialog form, .remap-dialog form { padding: 20px; }
.confirm-dialog h2, .remap-dialog__header h2 { font: 750 20px/1.25 var(--font-sans); text-transform: none; }
.remap-dialog__step { color: var(--accent-motion); font: 700 13px/1.4 var(--font-sans); }
.remap-steps li { border-radius: 0; background: var(--surface-raised); }
.remap-steps li[data-state="active"] { border-color: #809744; background: var(--surface-selected); }
.remap-steps li[data-state="complete"] { border-color: #438b6d; background: #263e33; }
.remap-step__letter { border: 0; border-radius: 0; background: var(--surface-soft); color: var(--text); font: 800 20px var(--font-sans); }
[data-state="active"] .remap-step__letter, [data-state="complete"] .remap-step__letter { color: var(--on-accent); background: var(--yellow); }
.remap-step__copy strong { font: 700 14px/1.3 var(--font-sans); text-transform: none; }
.remap-step__copy output { font: 13px/1.4 var(--font-sans); }
.remap-current { padding: 12px; border-color: #889e38; border-radius: 0; background: var(--surface-selected); }
.remap-current > span { font: 600 14px var(--font-sans); }
.remap-current > strong { color: var(--accent-output); font: 750 18px/1.3 var(--font-sans); }
.remap-dialog__timing { font: 14px/1.4 var(--font-sans); }
.remap-dialog__timing output { color: var(--text); font: 700 16px/1.4 var(--font-sans); }
.remap-dialog__actions { bottom: -20px; margin: 0 -20px -20px; padding: 12px 20px 20px; background: var(--surface); }
.toast { border-radius: var(--radius-control); background: var(--surface-raised); color: var(--text); box-shadow: var(--shadow-float); font-size: 14px; }
.status-bar { background: var(--surface); border-color: var(--border); padding-inline: 20px; font: 12px/1.3 var(--font-sans); }
.status-bar__state b { color: var(--success-text); font-weight: 750; }
.status-bar__state[data-kind="busy"] b { color: var(--warning-text); }
.status-bar__state[data-kind="error"] b { color: var(--error-text); }

/* The shared navigation uses !important for every route. Keep its behavior and
 * localize these visual overrides to CarbonFX rather than changing other pages. */
@media (max-width: 1400px) {
  header.app-header.silicore-mobile-nav { background: var(--surface) !important; color: var(--text) !important; }
  body header.app-header.silicore-mobile-nav > .product-heading.product-heading { display: flex !important; grid-column: 2; grid-row: 1; padding: 0 20px; }
  header.app-header.silicore-mobile-nav > .silicore-mobile-nav__persistent { background: var(--surface) !important; color: var(--text) !important; padding-right: 12px !important; }
  header.app-header.silicore-mobile-nav > .silicore-mobile-nav__persistent > .language-picker { color: var(--text) !important; }
  header.app-header.silicore-mobile-nav .nav-social-link img { filter: none; }
  header.app-header.silicore-mobile-nav > .silicore-mobile-nav__persistent .nav-social-link:is(:hover, :focus-visible) { background: var(--surface-raised) !important; outline-color: var(--focus) !important; }
  header.app-header.silicore-mobile-nav > .silicore-mobile-nav__panel { background: var(--surface) !important; color: var(--text) !important; box-shadow: var(--shadow-float) !important; }
  header.app-header.silicore-mobile-nav > .silicore-mobile-nav__panel > :is(a, button):not([hidden]) { background: var(--surface-raised) !important; color: var(--text) !important; }
}

@media (min-width: 1100px) {
  .layer-form { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); grid-template-areas: "identity identity" "appearance motion"; }
  .motion-settings { border-left: 1px solid var(--border); padding-left: 20px; }
}
@media (max-width: 1399px) {
  .studio-grid { grid-template-columns: minmax(220px, .8fr) repeat(2, minmax(0, 1fr)); grid-template-rows: var(--desk-row-height) 320px auto; grid-template-areas: "preview preview preview" "presets left right" "inspector inspector inspector"; }
  .preview-stage { min-height: 0; }
  .eye-panel { min-height: 220px; max-height: 380px; }
  .remote-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .project-cluster { flex-wrap: wrap; }
  .command-bar { position: relative; top: auto; }
}
@media (max-width: 900px) {
  :root { --header-height: 64px; }
  .app-header { grid-template-columns: 144px minmax(0, 1fr) auto; gap: 0; padding: 0; }
  .product-heading { padding: 0 20px; }
  .product-heading strong { font-size: 20px; }
  .header-telemetry { display: none; }
}
@media (max-width: 820px) {
  [data-scalar-control] { padding-bottom: 34px; }
  [data-scalar-control]::before { right: 89px; bottom: 34px; }
  [data-scalar-track] { right: 89px; bottom: 0; height: 44px; border-bottom: 2px solid var(--border); }
  [data-scalar-track] > [data-scalar-edge] { width: 44px; height: 44px; left: clamp(0px, calc(var(--scalar-fill, 0%) - 22px), calc(100% - 44px)); place-items: end center; }
  [data-scalar-edge-grip] { height: 12px; margin-bottom: 2px; }
  [data-scalar-edge-disabled] { padding-bottom: 0; }
  [data-scalar-buttons] { width: 88px; height: 44px; grid-template-columns: repeat(2, 44px); grid-template-rows: 1fr; top: 0; bottom: auto; right: 0; }
  [data-scalar-buttons] > button { min-height: 44px; }
  [data-scalar-control] > input[type="number"] { padding-right: 96px; }
  button, select, input:not([type="range"]):not([type="checkbox"]), .effect-picker select, .layer-menu button, .loop-toggle, .checkbox-field, .motion-control-group .checkbox-field { min-height: 44px; }
  select, input:not([type="range"]):not([type="checkbox"]) { font-size: 16px; }
  .icon-button, .transport-button { width: 44px; min-width: 44px; }
  .layer-item { grid-template-columns: 44px minmax(0, 1fr) repeat(3, 44px); grid-template-rows: auto 44px; }
  .layer-item > :is(.layer-grip, .layer-visibility, .layer-duplicate, .layer-delete), .project-effect-row > .layer-delete { width: 44px; height: 44px; min-width: 44px; min-height: 44px; }
  .layer-swatch { justify-self: center; }
  .command-bar { padding: 12px 16px; }
  .project-cluster { display: flex; flex-wrap: wrap; overflow: visible; }
  .effect-picker { flex: 1 1 100%; grid-template-columns: auto minmax(0, 1fr); }
  .edit-cluster, .device-cluster { display: flex; flex-wrap: wrap; overflow: visible; }
  .mobile-eye-switch { gap: 8px; padding: 12px 16px 0; border: 0; background: var(--desk); }
  .mobile-eye-switch button + button { margin-left: 0; }
  .studio-grid { display: flex; padding: 16px; gap: 16px; }
  .preview-panel { min-height: 380px; }
  .eye-transform-toolbar { grid-template-columns: minmax(0, 1fr); grid-template-areas: "effect-name" "eye-actions" "timing"; align-items: stretch; }
  .effect-name-control, .preview-timing-controls { width: 100%; max-width: none; justify-self: stretch; }
  .eye-transform-actions { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); width: 100%; justify-self: stretch; }
  .preset-panel { order: 2; max-height: 420px; }
  .eye-panel { order: 3; }
  .inspector-panel { order: 4; scroll-margin-top: calc(var(--header-height) + var(--studio-tabs-height) + 8px); }
  .eye-panel { min-height: 250px; max-height: 480px; }
  .preview-stage { min-height: 180px; padding: 18px; gap: 18px; }
  .eye-monitor { width: min(100%, 260px); }
  .shell-preview { flex-direction: column; align-items: flex-start; width: 100%; gap: 4px; }
  .shell-preview select { width: 100%; min-height: 44px; font-size: 16px; }
  .shell-preview .setting-caption { font-size: 11px; }
  .curve-editor { grid-template-columns: minmax(0, 1fr); }
  .control-grid.adjustment-parameters[data-adjustment-type="levels"] { grid-template-columns: minmax(0, 1fr); }
  .control-grid.adjustment-parameters[data-adjustment-type="levels"] > :nth-child(n) { grid-column: auto; }
  .curve-editor svg[data-curve-chart], .curve-editor__properties, .curve-editor__actions { grid-column: 1; grid-row: auto; }
  .curve-editor__actions { flex-direction: row; }
  [data-curve-point] { stroke-width: 32; }
  .inspector-view { padding: 16px; }
  .form-section { padding: 0; }
  .form-section > h3 { margin: 0; padding: 8px 10px; }
  .status-bar { padding-inline: 16px; }
}
@media (max-width: 560px) {
  :root { --header-height: 64px; --footer-height: 34px; }
  .app-header { grid-template-columns: 144px minmax(0, 1fr) 52px; gap: 0; padding: 0; }
  .product-heading strong { font-size: 18px; white-space: normal; }
  .product-heading__subtitle { display: none; }
  .header-home { display: none; }
  .header-actions > * { min-width: 44px; padding: 0; }
  body header.app-header.silicore-mobile-nav > .product-heading.product-heading { padding: 0 12px; }
  header.app-header.silicore-mobile-nav > .silicore-mobile-nav__persistent { padding-right: 8px !important; }
  header.app-header.silicore-mobile-nav > .silicore-mobile-nav__persistent > .nav-social { display: none !important; }
  .command-bar { gap: 10px; padding: 12px; }
  .project-cluster { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .project-cluster button { padding: 10px; }
  .effect-picker { grid-column: 1 / -1; grid-template-columns: 46px minmax(0, 1fr); }
  .edit-cluster { display: grid; grid-template-columns: repeat(2, 44px); gap: 8px; }
  .edit-cluster button { padding: 8px 5px; font-size: 13px; }
  .edit-cluster .icon-button { width: 100%; }
  .device-cluster { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .device-cluster button { padding: 10px 8px; }
  .studio-grid { padding: 12px; gap: 12px; }
  .eye-transform-toolbar { display: grid; grid-template-columns: minmax(0, 1fr); }
  .eye-transform-actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .eye-transform-actions > button:last-child { grid-column: 1 / -1; width: min(100%, 180px); justify-self: center; }
  .preview-timing-controls { grid-template-columns: minmax(0, 1fr); }
  .preview-timing-controls > :is(label, .scalar-field) { grid-template-columns: minmax(82px, .8fr) minmax(144px, 1.2fr); align-items: center; gap: 8px; }
  .panel-heading { padding: 10px; min-height: 60px; }
  .preview-heading { gap: 12px; }
  .preview-heading .preview-mode button { font-size: 14px; padding: 10px; }
  .preview-stage { min-height: 190px; padding: 14px; gap: 14px; }
  .eye-monitor figcaption { font-size: 12px; margin-bottom: 8px; }
  .timeline { gap: 8px; }
  .timeline-readout { font-size: 12px; min-width: 0; }
  .inspector-view { padding: 12px; }
  .layer-form { gap: 16px; }
  .layer-identity { grid-template-columns: minmax(0, 1fr); gap: 5px; }
  .form-section { padding: 0; }
  .form-section > h3 { margin: 0; padding: 8px 10px; }
  .control-grid, .control-grid--wide, .motion-control-row, .appearance-settings .control-grid, .motion-settings > .control-grid, .motion-control-group .control-grid, .remote-grid, .project-effects ul { grid-template-columns: minmax(0, 1fr); }
  .motion-control-group { padding: 10px 0 0; }
  .appearance-settings .form-section { padding: 0; border: 0; background: transparent; }
  .appearance-settings .form-section > h3 { margin: 0; padding: 10px 12px; }
  .gradient-stop-properties { padding: 10px; gap: 12px; grid-template-columns: minmax(0, 1fr) 44px; }
  .gradient-stop-token { grid-column: 1; grid-row: 1; display: flex; align-items: center; gap: 10px; padding: 4px; }
  .gradient-stop-token span { font-size: 12px; text-align: left; }
  .gradient-stop-field--position { grid-column: 1 / -1; grid-row: 2; }
  .gradient-stop-field--color { grid-column: 1 / -1; grid-row: 3; }
  .gradient-stop-delete { grid-column: 2; grid-row: 1; height: 100%; }
  .gradient-stop-hex { padding-inline: 6px; font-size: 13px; }
  .gradient-stop-color-control { gap: 4px; }
  .gradient-editor__help { padding: 12px 10px 0; }
  .gradient-editor__actions { padding: 10px; }
  .gradient-add-stop { width: 100%; min-width: 0; }
  .confirm-dialog form, .remap-dialog form { padding: 16px; }
  .remap-dialog__actions { bottom: -16px; margin: 0 -16px -16px; padding: 12px 16px 16px; }
  .confirm-dialog h2, .remap-dialog__header h2 { font-size: 20px; }
}
/* Browser-style workspace tabs share their lower edge with the page surface. */
.studio-shell { padding-top: calc(var(--header-height) + var(--studio-tabs-height)); }
.browser-gate { margin-top: calc(var(--header-height) + var(--studio-tabs-height)); }
.browser-gate:not([hidden]) + .studio-shell { padding-top: 0; }
.studio-page-tabs {
  position: fixed;
  z-index: 45;
  top: var(--header-height);
  right: 0;
  left: 0;
  display: flex;
  height: var(--studio-tabs-height);
  align-items: end;
  gap: 4px;
  padding: 4px 16px 0;
  border-bottom: 1px solid var(--border);
  background: var(--desk);
}
.studio-page-tabs > button {
  position: relative;
  min-width: 128px;
  max-width: 240px;
  min-height: 40px;
  margin-bottom: -1px;
  padding: 9px 16px;
  border: 1px solid transparent;
  border-bottom-color: var(--border);
  border-radius: 5px 5px 0 0;
  background: transparent;
  color: var(--text-muted);
  font-size: 14px;
  white-space: normal;
}
.studio-page-tabs > button:hover:not(:disabled) { border-color: var(--border); background: var(--surface); }
.studio-page-tabs > button[aria-selected="true"],
.studio-page-tabs > button[aria-selected="true"]:is(:hover, :focus-visible) {
  border-color: var(--border);
  border-bottom-color: var(--surface-soft);
  background: var(--surface-soft);
  color: var(--text);
  box-shadow: inset 0 2px var(--accent-output);
}
.studio-page-tabs > button[aria-selected="true"] .ui-icon { filter: none; }
.studio-page-tabs > button > span { min-width: 0; overflow-wrap: anywhere; }
html:lang(ko) .studio-page-tabs > button > span { word-break: keep-all; overflow-wrap: normal; }
html:lang(ja) .studio-page-tabs > button > span { word-break: keep-all; }
.studio-page-tabs > button:focus-visible { outline-offset: -4px; }
.studio-page { min-width: 0; }
.studio-page[hidden] { display: none !important; }
.studio-page--design .inspector-panel { grid-template-rows: minmax(0, 1fr); }
.studio-page--design .inspector-body { overflow: visible; }
.studio-page--design [data-inspector-view="layer"] { display: block; }
.studio-page--device,
.studio-page--firmware { padding: 16px; }
body:is([data-active-studio-page="device"], [data-active-studio-page="firmware"]) .project-cluster,
body:is([data-active-studio-page="device"], [data-active-studio-page="firmware"]) .edit-cluster { display: none; }
body:is([data-active-studio-page="device"], [data-active-studio-page="firmware"]) .device-cluster { margin-left: auto; }
.device-workspace { display: grid; min-width: 0; gap: 18px; }
.device-card {
  min-width: 0;
  padding: 16px;
  border: 1px solid var(--border);
  border-top: 3px solid var(--accent-remote);
  border-radius: var(--radius-panel);
  background: var(--surface);
}
.device-card__header { display: flex; min-width: 0; align-items: center; gap: 10px; margin-bottom: 12px; }
.device-card__header h2, .diagnostics-heading { margin: 0; color: var(--text); font: 750 16px/1.4 var(--font-sans); }
.device-card > p { max-width: 86ch; margin: 10px 0; color: var(--text-muted); font: 400 13px/1.5 var(--font-sans); }
.device-card > p:last-child { margin-bottom: 0; }
.device-slots-section { border-top-color: var(--accent-output); }
.device-slots-section > .warning-note { color: var(--warning-text); }
.device-button-card { border-top-color: var(--accent-motion); }
.device-button-card .remote-action-card { border-top-color: var(--border); }
.device-actions-controls { display: flex; min-width: 0; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px 18px; }
.device-actions-controls .device-actions-status { flex: 1 1 260px; margin: 0; }
.device-actions-controls .device-actions-toolbar { justify-content: flex-start; }
.firmware-workspace.firmware-card { display: grid; min-width: 0; grid-template-columns: minmax(0, 1.4fr) minmax(320px, 1fr); align-items: start; gap: 16px; margin: 0; padding: 0; border: 0; background: transparent; }
.firmware-release-card { border-top-color: var(--accent-appearance); }
.firmware-install-card { border-top-color: var(--accent-output); }
.firmware-install-card .firmware-card__actions { margin-top: 16px; }
.firmware-workspace .firmware-card__versions { margin-block: 16px; }
.firmware-workspace .firmware-card__actions button { white-space: normal; height: auto; }
.diagnostics-card { margin-top: 18px; border-top-color: var(--accent-motion); }
.diagnostics-heading { display: flex; align-items: center; gap: 7px; }
.diagnostics-toolbar { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0 10px; }
.diagnostics-toolbar button { display: inline-flex; min-width: 0; align-items: center; justify-content: center; gap: 6px; height: auto; white-space: normal; }
.diagnostics-status[data-state="error"] { color: var(--error-text); }
.diagnostics-card > h3 { margin: 20px 0 10px; color: var(--text-secondary); font: 700 14px/1.4 var(--font-sans); }
.diagnostics-snapshot { display: grid; min-width: 0; grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); gap: 0 20px; margin: 0; }
.diagnostics-snapshot-item { display: flex; min-width: 0; align-items: baseline; justify-content: space-between; gap: 12px; padding: 9px 0; border-bottom: 1px solid var(--border); }
.diagnostics-snapshot dt { min-width: 0; color: var(--text-muted); font-size: 12px; overflow-wrap: anywhere; }
.diagnostics-snapshot dd { flex: 0 0 auto; min-width: 0; max-width: 55%; margin: 0; color: var(--text); font: 500 13px/1.4 var(--font-mono); text-align: right; overflow-wrap: anywhere; }
.diagnostics-empty, .diagnostics-stale { color: var(--text-muted); font-size: 13px; }
.diagnostics-log { width: 100%; max-height: 340px; margin: 0; padding: 12px; overflow: auto; overscroll-behavior: contain; border: 1px solid var(--border); border-radius: var(--radius-control); background: var(--surface-input); color: var(--text-secondary); font: 12px/1.6 var(--font-mono); white-space: pre-wrap; overflow-wrap: anywhere; }
@media (min-width: 1400px) {
  .studio-shell .command-bar { top: calc(var(--header-height) + var(--studio-tabs-height)); }
}
@media (max-width: 1000px) {
  .firmware-workspace.firmware-card { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 820px) {
  .studio-page-tabs > button { min-height: 44px; }
  .device-actions-controls { display: grid; grid-template-columns: minmax(0, 1fr); }
  .diagnostics-toolbar button { min-height: 44px; }
}
@media (max-width: 560px) {
  :root { --studio-tabs-height: 64px; }
  .studio-page-tabs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); align-items: stretch; gap: 3px; padding: 5px 8px 0; }
  .studio-page-tabs > button { min-width: 0; max-width: none; min-height: 0; padding: 6px; gap: 5px; font-size: 12px; line-height: 1.3; }
  .studio-page-tabs > button .ui-icon { width: 16px; height: 16px; flex: 0 0 16px; }
  html:lang(ja) .studio-page-tabs > button { padding-inline: 3px; gap: 3px; }
  .studio-page--device, .studio-page--firmware { padding: 12px; }
  .device-card { padding: 12px; }
  .device-card__header h2, .diagnostics-heading { font-size: 15px; }
  .firmware-workspace .firmware-card__actions { display: grid; grid-template-columns: minmax(0, 1fr); }
  .firmware-workspace .firmware-card__actions button { min-height: 44px; }
  .diagnostics-toolbar { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .diagnostics-toolbar button { padding: 8px; }
  .diagnostics-log { max-height: 260px; padding: 10px; }
}
@media (prefers-reduced-motion: reduce) {
  :root { --motion-fast: 0ms; }
}