:root {
  color-scheme: light;
  --paper: #f5f5f2;
  --paper-strong: #fbfbf8;
  --surface: #e9e9e5;
  --ink: #121212;
  --ink-dim: #51514d;
  --ink-faint: #777771;
  --line: rgba(18, 18, 18, .14);
  --line-soft: rgba(18, 18, 18, .075);
  --line-bright: rgba(23, 105, 255, .42);
  --blue: #1769ff;
  --blue-hot: #1769ff;
  --cyan: #1769ff;
  --red: #ff4b47;
  --amber: #a96600;
  --topbar-h: 72px;
  --footer-h: 38px;
  --rail-w: 356px;
  --control-w: 380px;
}

html,
body {
  background: var(--paper);
}

body {
  color: var(--ink);
  background:
    radial-gradient(circle at 68% 0%, rgba(23, 105, 255, .045), transparent 28%),
    var(--paper);
}

button,
select,
input {
  font: inherit;
}

.studio-topbar {
  padding: 0 18px;
  border-bottom: 1px solid var(--line);
  background: rgba(251, 251, 248, .94);
  box-shadow: 0 8px 24px rgba(18, 18, 18, .035);
  backdrop-filter: blur(16px);
}

.studio-brand {
  min-width: 212px;
  color: var(--ink);
}

.brand-bug {
  border-color: var(--blue);
  color: #fff;
  background: var(--blue);
  box-shadow: 0 7px 18px rgba(23, 105, 255, .2);
}

.brand-bug i {
  border-color: rgba(255, 255, 255, .58);
}

.brand-copy strong {
  font-size: 17px;
  letter-spacing: -.025em;
}

.brand-copy small {
  margin-top: 4px;
  color: var(--ink-faint);
  font-size: 9px;
  letter-spacing: .12em;
}

.workflow-steps > button {
  min-height: 38px;
  border-radius: 20px;
  color: var(--ink-faint);
}

.workflow-steps > button span {
  font-size: 10px;
}

.workflow-steps > button.is-active {
  border-color: rgba(23, 105, 255, .22);
  color: var(--blue);
  background: rgba(23, 105, 255, .07);
}

.runtime-actions {
  gap: 7px;
}

.language-toggle,
.runtime-button,
.history-actions button,
.quality-switch button,
.control-heading-actions button {
  border-color: var(--line);
  color: var(--ink-dim);
  background: #fff;
  box-shadow: 0 1px 0 rgba(18, 18, 18, .025);
}

.language-toggle {
  display: grid;
  min-width: 42px;
  height: 36px;
  place-items: center;
  border: 1px solid rgba(23, 105, 255, .26);
  border-radius: 18px;
  color: var(--blue);
  cursor: pointer;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .06em;
}

.language-toggle:hover,
.runtime-button-tool:hover,
.history-actions button:hover,
.control-heading-actions button:hover {
  border-color: var(--blue);
  color: var(--blue);
  background: rgba(23, 105, 255, .045);
}

.runtime-button {
  min-height: 38px;
  border-radius: 9px;
  font-size: 9px;
}

.runtime-button-primary {
  border-color: var(--blue);
  color: #fff;
  background: var(--blue);
  box-shadow: 0 8px 18px rgba(23, 105, 255, .2);
}

.runtime-button-primary:hover {
  color: #fff;
  background: #0759ec;
}

.runtime-pill {
  min-height: 36px;
  border-color: rgba(18, 18, 18, .1);
  border-radius: 18px;
  color: var(--ink-dim);
  background: rgba(18, 18, 18, .035);
}

.studio-shell {
  background: transparent;
}

.demo-rail {
  border-right: 1px solid var(--line);
  background: #f7f7f4;
}

.demo-rail::-webkit-scrollbar,
.control-panel::-webkit-scrollbar {
  width: 5px;
}

.demo-rail::-webkit-scrollbar-thumb,
.control-panel::-webkit-scrollbar-thumb {
  background: rgba(18, 18, 18, .16);
}

.panel-heading {
  border-bottom-color: var(--line-soft);
  background: rgba(251, 251, 248, .92);
}

.panel-heading span,
.section-label,
.rail-divider,
.material-hero-copy span,
.demo-brief > span {
  color: var(--ink-faint);
  font-size: 9px;
  letter-spacing: .13em;
}

.panel-heading b {
  color: var(--ink);
  font-size: 15px;
}

.source-workbench {
  padding: 18px 14px 20px;
  border-bottom-color: var(--line-soft);
  background:
    linear-gradient(145deg, rgba(23, 105, 255, .055), transparent 48%),
    #f7f7f4;
}

.source-card {
  grid-template-columns: 108px minmax(0, 1fr) 8px;
  min-height: 96px;
  border-color: var(--line);
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 9px 24px rgba(18, 18, 18, .045);
}

.source-card canvas {
  width: 108px;
  height: 94px;
  border-right-color: var(--line-soft);
}

.source-card span,
.source-card small,
.media-library-heading {
  color: var(--ink-faint);
  font-size: 8px;
}

.source-card strong {
  color: var(--ink);
  font-size: 20px;
}

.source-card > i {
  background: #1ca65b;
  box-shadow: 0 0 0 4px rgba(28, 166, 91, .1);
}

.source-actions {
  gap: 7px;
}

.source-actions button {
  min-height: 56px;
  border-color: var(--line);
  border-radius: 9px;
  color: var(--ink-dim);
  background: #fff;
  font-size: 8px;
}

.source-actions button b {
  font-size: inherit;
  font-weight: 600;
}

.source-actions button:hover,
.source-actions button:focus-visible {
  border-color: var(--blue);
  color: var(--blue);
  background: rgba(23, 105, 255, .045);
}

.media-policy-note {
  border-left-color: var(--blue);
  border-radius: 0 8px 8px 0;
  color: #627188;
  background: #eef4ff;
  font-family: var(--body);
  font-size: 10px;
  line-height: 1.55;
}

.media-library > p {
  border-color: var(--line);
  border-radius: 9px;
  color: var(--ink-faint);
  background: rgba(255, 255, 255, .48);
  font-size: 10px;
}

.media-item {
  border-color: var(--line);
  border-radius: 8px;
  color: var(--ink-dim);
  background: #fff;
}

.rail-divider {
  padding: 16px 16px 6px;
}

.demo-nav {
  gap: 7px;
  padding: 5px 14px 14px;
}

.demo-tab {
  min-height: 70px;
  border-color: var(--line);
  border-radius: 11px;
  color: var(--ink-dim);
  background: rgba(255, 255, 255, .72);
}

.demo-tab:hover {
  border-color: rgba(23, 105, 255, .35);
  color: var(--ink);
  background: #fff;
}

.demo-tab.is-active {
  border-color: var(--blue);
  color: var(--ink);
  background: #fff;
  box-shadow: 0 8px 22px rgba(23, 105, 255, .1);
}

.demo-tab.is-active::before {
  background: var(--blue);
}

.demo-tab strong {
  font-size: 12px;
}

.demo-tab small {
  margin-top: 5px;
  color: var(--ink-faint);
  font-size: 9px;
}

.material-feature,
.preset-section,
.demo-brief {
  border-color: var(--line-soft);
  background: transparent;
}

.material-hero-preview {
  border-color: var(--line);
  border-radius: 13px;
  background: #111;
  box-shadow: 0 10px 24px rgba(18, 18, 18, .1);
}

.material-hero-copy h2,
.demo-brief h2 {
  color: var(--ink);
}

.material-hero-copy h2 {
  font-size: 24px;
}

.material-hero-copy p,
.demo-brief p {
  color: var(--ink-dim);
  font-size: 11px;
  line-height: 1.65;
}

.preset-card,
.user-preset-card {
  border-color: var(--line);
  border-radius: 9px;
  color: var(--ink-dim);
  background: #fff;
}

.preset-card:hover,
.preset-card.is-active,
.user-preset-card:hover {
  border-color: var(--blue);
  color: var(--blue);
  background: rgba(23, 105, 255, .04);
}

.save-preset-button {
  min-height: 42px;
  border-color: rgba(23, 105, 255, .34);
  border-radius: 9px;
  color: var(--blue);
  background: rgba(23, 105, 255, .035);
  font-size: 9px;
}

.demo-brief ol li {
  color: var(--ink-dim);
}

.demo-brief ol span {
  border-color: rgba(23, 105, 255, .32);
  color: var(--blue);
  background: rgba(23, 105, 255, .06);
}

.stage-column {
  grid-template-rows: 54px minmax(0, 1fr) 64px;
  min-width: 0;
  padding: 14px 16px 12px;
  gap: 10px;
  background: transparent;
}

.stage-toolbar,
.stage-footer {
  border: 1px solid var(--line-soft);
  border-radius: 11px;
  background: rgba(255, 255, 255, .78);
  box-shadow: 0 5px 16px rgba(18, 18, 18, .025);
}

.stage-toolbar {
  padding-inline: 14px;
}

.stage-toolbar > div > b {
  color: var(--ink);
  font-size: 9px;
}

.stage-toolbar small,
.stage-footer-copy,
.transport-time {
  color: var(--ink-faint);
}

.quality-switch {
  border-color: var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.quality-switch button {
  border: 0;
  border-right: 1px solid var(--line-soft);
  font-size: 8px;
}

.quality-switch button:last-child {
  border-right: 0;
}

.quality-switch button.is-active {
  color: #fff;
  background: var(--blue);
}

.vision-stage {
  border: 1px solid rgba(18, 18, 18, .18);
  border-radius: 18px;
  background: #111;
  box-shadow: 0 24px 56px rgba(18, 18, 18, .13);
}

.stage-grid {
  opacity: .08;
}

.stage-vignette {
  opacity: .3;
}

.stage-corners {
  display: none;
}

.stage-readout {
  border-color: rgba(255, 255, 255, .2);
  border-radius: 8px;
  color: rgba(255, 255, 255, .8);
  background: rgba(8, 11, 15, .62);
  backdrop-filter: blur(10px);
}

.idle-overlay {
  background:
    radial-gradient(circle at 50% 38%, rgba(23, 105, 255, .13), transparent 31%),
    rgba(17, 17, 17, .84);
}

.idle-overlay h1 {
  font-size: clamp(40px, 5vw, 74px);
  text-transform: none;
}

.idle-overlay h1 em {
  color: #70a4ff;
  text-shadow: 0 0 34px rgba(23, 105, 255, .28);
}

.idle-orbit {
  border-color: rgba(112, 164, 255, .42);
}

.idle-orbit::before,
.idle-orbit::after,
.idle-orbit i {
  border-color: rgba(112, 164, 255, .52);
}

.compare-handle {
  border-color: #fff;
  color: #fff;
  background: var(--blue);
  box-shadow: 0 10px 30px rgba(4, 18, 48, .35);
}

.compare-handle::before,
.compare-handle::after {
  background: rgba(255, 255, 255, .86);
}

body[data-demo="motion-mask"] .compare-handle {
  display: none;
}

.event-flash {
  border-color: rgba(23, 105, 255, .55);
  border-radius: 8px;
  background: rgba(4, 17, 40, .84);
}

.event-flash span,
.event-flash b {
  color: #fff;
}

.stage-footer {
  padding-inline: 14px;
}

.transport input[type="range"] {
  accent-color: var(--blue);
}

.stage-footer-copy i {
  font-style: normal;
}

.control-dock-toggle {
  border-color: var(--line);
  border-radius: 10px 0 0 10px;
  color: var(--blue);
  background: #fff;
  box-shadow: -10px 8px 24px rgba(18, 18, 18, .08);
}

.control-panel {
  border-left-color: var(--line);
  background: #f8f8f5;
  box-shadow: -24px 0 60px rgba(18, 18, 18, .12);
}

.control-heading {
  background: rgba(251, 251, 248, .96);
}

.signal-strip {
  border-bottom-color: var(--line-soft);
  background: #fff;
}

.signal-strip article {
  border-right-color: var(--line-soft);
}

.signal-strip span,
.signal-strip small {
  color: var(--ink-faint);
}

.signal-strip b {
  color: var(--ink);
  font-size: 20px;
}

.control-group {
  border-bottom-color: var(--line-soft);
  background: transparent;
}

.control-group-title {
  color: var(--blue);
  font-size: 9px;
}

.control-row {
  min-height: 52px;
  border-top-color: var(--line-soft);
}

.control-row label {
  color: var(--ink-dim);
  font-size: 10px;
}

.control-row output {
  color: var(--blue);
  font-size: 10px;
}

.control-row input[type="range"] {
  accent-color: var(--blue);
}

.control-row select,
.control-row button {
  border-color: var(--line);
  border-radius: 7px;
  color: var(--ink-dim);
  background: #fff;
}

.tracking-status {
  border-bottom-color: var(--line-soft);
  background: #fff;
}

.tracking-status p {
  color: var(--ink-dim);
  font-size: 10px;
}

.privacy-card {
  border-color: rgba(23, 105, 255, .2);
  border-radius: 10px;
  background: rgba(23, 105, 255, .04);
}

.privacy-card > span,
.privacy-card b {
  color: var(--blue);
}

.studio-footer {
  padding: 0 18px;
  border-top-color: var(--line);
  color: var(--ink-faint);
  background: #efefeb;
  font-size: 8px;
}

.export-dialog {
  border-color: var(--line);
  border-radius: 18px;
  color: var(--ink);
  background: var(--paper-strong);
  box-shadow: 0 30px 90px rgba(18, 18, 18, .2);
}

.export-dialog::backdrop {
  background: rgba(18, 18, 18, .35);
  backdrop-filter: blur(8px);
}

.export-dialog form > header,
.export-preview,
.export-options,
.export-actions {
  border-color: var(--line-soft);
}

.export-options select {
  border-color: var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: #fff;
}

.export-fixed-format strong {
  border-color: var(--line);
  border-radius: 8px;
  color: var(--blue);
  background: #eef4ff;
  font-family: var(--body);
  font-size: 12px;
  letter-spacing: 0;
}

.export-still {
  border-color: var(--blue);
  color: #fff;
  background: var(--blue);
}

.export-motion {
  border-color: rgba(255, 75, 71, .35);
  color: var(--ink);
  background: rgba(255, 75, 71, .06);
}

@media (max-width: 1180px) {
  :root {
    --rail-w: 320px;
    --control-w: 350px;
  }
}

@media (max-width: 980px) {
  .language-toggle {
    margin-left: auto;
  }

  .stage-column {
    padding-inline: 12px;
  }
}

@media (max-width: 720px) {
  :root {
    --topbar-h: 116px;
  }

  .studio-topbar {
    padding: 9px 10px;
  }

  .language-toggle {
    min-width: 38px;
    height: 38px;
  }

  .demo-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .stage-column {
    grid-template-rows: 48px minmax(430px, 68dvh) 62px;
    padding: 9px;
    gap: 7px;
  }

  .vision-stage {
    border-radius: 13px;
  }

  .stage-footer-copy {
    font-size: 8px;
  }
}

@media (max-width: 430px) {
  .language-toggle {
    order: 8;
  }

  .stage-column {
    grid-template-rows: 44px minmax(400px, 62dvh) 58px;
  }

  .source-actions button {
    min-height: 50px;
  }
}

/* 5.0.0 — first-entry privacy and guided focus layer */
.onboarding-shell[hidden],
.privacy-intro[hidden],
.onboarding-tour-card[hidden],
.onboarding-spotlight[hidden] {
  display: none !important;
}

body[data-onboarding="active"] {
  overflow: hidden;
}

.onboarding-shell {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: grid;
  place-items: center;
  overflow: hidden;
  color: #13213a;
  isolation: isolate;
}

.onboarding-mask {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 22% 18%, rgba(60, 116, 255, .24), transparent 28%),
    linear-gradient(132deg, rgba(6, 15, 34, .91), rgba(11, 24, 50, .82));
  backdrop-filter: blur(7px) saturate(.72);
  transition: background .32s ease, backdrop-filter .32s ease;
}

.onboarding-shell[data-phase="tour"] .onboarding-mask {
  background: rgba(7, 16, 35, .12);
  backdrop-filter: blur(1.5px) saturate(.78);
}

.onboarding-mask-grid {
  position: absolute;
  inset: 0;
  opacity: .58;
  background-image:
    linear-gradient(rgba(126, 166, 255, .1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(126, 166, 255, .1) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, #000, transparent 82%);
}

.onboarding-mask-axis {
  position: absolute;
  display: block;
  background: rgba(111, 157, 255, .36);
}

.onboarding-mask-axis-x {
  top: 31%;
  left: 0;
  width: 100%;
  height: 1px;
}

.onboarding-mask-axis-y {
  top: 0;
  left: 72%;
  width: 1px;
  height: 100%;
}

.privacy-intro {
  position: relative;
  z-index: 3;
  width: min(820px, calc(100vw - 44px));
  overflow: hidden;
  border: 1px solid rgba(176, 199, 255, .72);
  border-radius: 24px;
  background: rgba(250, 252, 255, .975);
  box-shadow: 0 38px 110px rgba(1, 8, 24, .42), 0 0 0 1px rgba(255, 255, 255, .72) inset;
  animation: onboarding-rise .46s cubic-bezier(.2, .76, .22, 1) both;
}

.onboarding-card-header,
.onboarding-tour-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 48px;
  padding: 0 24px;
  border-bottom: 1px solid #d9e3f4;
  color: #56709a;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.onboarding-card-header b {
  display: inline-flex;
  align-items: center;
  min-height: 25px;
  padding: 0 10px;
  border: 1px solid rgba(23, 105, 255, .22);
  border-radius: 999px;
  color: #1769ff;
  background: #edf4ff;
  font-family: var(--body);
  font-size: 11px;
  letter-spacing: .04em;
}

.privacy-intro-body {
  position: relative;
  min-height: 430px;
  padding: 48px 48px 40px 322px;
}

.privacy-signal {
  position: absolute;
  top: 36px;
  bottom: 36px;
  left: 34px;
  width: 244px;
  overflow: hidden;
  border: 1px solid rgba(23, 105, 255, .18);
  border-radius: 18px;
  background:
    radial-gradient(circle at center, rgba(23, 105, 255, .2), transparent 38%),
    linear-gradient(145deg, #e7effd, #f8fbff 62%, #dbe8ff);
}

.privacy-signal::before,
.privacy-signal::after {
  content: "";
  position: absolute;
  border: 1px solid rgba(23, 105, 255, .34);
  border-radius: 50%;
}

.privacy-signal::before {
  inset: 46px 36px;
}

.privacy-signal::after {
  inset: 88px 72px;
  border-color: rgba(225, 65, 71, .46);
}

.privacy-signal > span {
  position: absolute;
  z-index: 2;
  width: 13px;
  height: 13px;
  border: 3px solid #f8fbff;
  border-radius: 50%;
  background: #1769ff;
  box-shadow: 0 0 0 1px rgba(23, 105, 255, .22), 0 7px 18px rgba(23, 105, 255, .26);
}

.privacy-signal > span:nth-child(1) { top: 53px; left: 52px; }
.privacy-signal > span:nth-child(2) { top: 86px; right: 43px; background: #e14147; }
.privacy-signal > span:nth-child(3) { right: 78px; bottom: 59px; }
.privacy-signal > span:nth-child(4) { left: 43px; bottom: 88px; background: #d39716; }

.privacy-signal > i {
  position: absolute;
  z-index: 1;
  top: 50%;
  left: 50%;
  width: 116px;
  height: 1px;
  transform-origin: 0 50%;
  background: linear-gradient(90deg, rgba(23, 105, 255, .7), transparent);
}

.privacy-signal > i:nth-of-type(1) { transform: rotate(24deg); }
.privacy-signal > i:nth-of-type(2) { transform: rotate(146deg); }
.privacy-signal > i:nth-of-type(3) { transform: rotate(264deg); }

.onboarding-eyebrow {
  margin: 0 0 12px;
  color: #1769ff;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.privacy-intro h1,
.onboarding-tour-card h2 {
  margin: 0;
  color: #101b30;
  font-family: var(--display);
  font-weight: 650;
  letter-spacing: -.045em;
}

.privacy-intro h1 {
  max-width: 430px;
  font-size: clamp(34px, 4vw, 52px);
  line-height: 1.03;
}

.privacy-intro-lead {
  max-width: 430px;
  margin: 18px 0 28px;
  color: #4c5d76;
  font-size: 15px;
  line-height: 1.7;
}

.privacy-facts {
  display: grid;
  gap: 11px;
}

.privacy-facts section {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.privacy-facts section > span {
  padding-top: 2px;
  color: #1769ff;
  font-family: var(--mono);
  font-size: 10px;
}

.privacy-facts b {
  display: block;
  color: #1a2840;
  font-size: 13px;
}

.privacy-facts p {
  margin: 2px 0 0;
  color: #67768c;
  font-size: 12px;
  line-height: 1.5;
}

.onboarding-card-actions {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 10px;
  min-height: 76px;
  padding: 14px 24px;
  border-top: 1px solid #d9e3f4;
  background: #f4f8ff;
}

.onboarding-skip,
.onboarding-primary {
  min-height: 44px;
  padding: 0 20px;
  border-radius: 11px;
  font-family: var(--body);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}

.onboarding-skip {
  border: 1px solid transparent;
  color: #5c6c83;
  background: transparent;
}

.onboarding-skip:hover {
  color: #1769ff;
  background: #eaf2ff;
}

.onboarding-primary {
  min-width: 148px;
  border: 1px solid #1769ff;
  color: #fff;
  background: #1769ff;
  box-shadow: 0 12px 26px rgba(23, 105, 255, .23);
}

.onboarding-primary:hover {
  transform: translateY(-1px);
  background: #0f58db;
}

.onboarding-primary:focus-visible,
.onboarding-skip:focus-visible {
  outline: 3px solid rgba(110, 159, 255, .5);
  outline-offset: 3px;
}

.onboarding-spotlight {
  position: fixed;
  z-index: 1;
  left: 20px;
  top: 20px;
  width: 180px;
  height: 80px;
  pointer-events: none;
  border: 2px solid #78a4ff;
  border-radius: 16px;
  box-shadow:
    0 0 0 5px rgba(23, 105, 255, .18),
    0 0 0 200vmax rgba(6, 15, 33, .76),
    0 20px 48px rgba(1, 9, 25, .34);
  transition: left .32s cubic-bezier(.2, .76, .22, 1), top .32s cubic-bezier(.2, .76, .22, 1), width .32s ease, height .32s ease;
}

.onboarding-spotlight::before,
.onboarding-spotlight::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border-color: #fff;
  border-style: solid;
}

.onboarding-spotlight::before {
  top: -5px;
  left: -5px;
  border-width: 2px 0 0 2px;
}

.onboarding-spotlight::after {
  right: -5px;
  bottom: -5px;
  border-width: 0 2px 2px 0;
}

.onboarding-tour-card {
  position: fixed;
  z-index: 4;
  left: 340px;
  top: 120px;
  width: min(390px, calc(100vw - 32px));
  overflow: hidden;
  border: 1px solid rgba(159, 187, 246, .9);
  border-radius: 18px;
  background: rgba(251, 253, 255, .985);
  box-shadow: 0 28px 90px rgba(1, 9, 27, .38);
  animation: onboarding-rise .34s cubic-bezier(.2, .76, .22, 1) both;
}

.onboarding-tour-header {
  min-height: 42px;
  padding-inline: 20px;
}

.onboarding-progress {
  display: grid;
  grid-template-columns: repeat(3, 28px);
  gap: 4px;
}

.onboarding-progress i {
  height: 3px;
  border-radius: 9px;
  background: #d9e4f5;
}

.onboarding-progress i.is-active,
.onboarding-progress i.is-complete {
  background: #1769ff;
}

.onboarding-tour-card > .onboarding-eyebrow {
  margin: 24px 24px 9px;
}

.onboarding-tour-card h2 {
  margin-inline: 24px;
  font-size: 30px;
  line-height: 1.08;
}

.onboarding-step-body {
  margin: 16px 24px 20px;
  color: #53637a;
  font-size: 14px;
  line-height: 1.68;
}

.onboarding-outcome {
  display: grid;
  gap: 5px;
  margin: 0 24px 24px;
  padding: 13px 14px 14px;
  border-left: 3px solid #1769ff;
  background: #edf4ff;
}

.onboarding-outcome span {
  color: #6880a2;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.onboarding-outcome b {
  color: #18325e;
  font-size: 13px;
  line-height: 1.4;
}

@keyframes onboarding-rise {
  from { opacity: 0; transform: translateY(16px) scale(.985); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@media (max-width: 720px) {
  .onboarding-mask-grid {
    background-size: 34px 34px;
  }

  .privacy-intro {
    width: calc(100vw - 20px);
    max-height: calc(100dvh - 20px);
    overflow-y: auto;
    border-radius: 18px;
  }

  .onboarding-card-header {
    padding-inline: 18px;
  }

  .privacy-intro-body {
    min-height: 0;
    padding: 28px 22px 22px;
  }

  .privacy-signal {
    position: relative;
    inset: auto;
    width: 100%;
    height: 122px;
    margin-bottom: 24px;
  }

  .privacy-signal::before { inset: 18px 27%; }
  .privacy-signal::after { inset: 38px 38%; }
  .privacy-signal > span:nth-child(1) { top: 20px; left: 22%; }
  .privacy-signal > span:nth-child(2) { top: 31px; right: 20%; }
  .privacy-signal > span:nth-child(3) { right: 34%; bottom: 18px; }
  .privacy-signal > span:nth-child(4) { left: 31%; bottom: 23px; }

  .privacy-intro h1 {
    font-size: clamp(30px, 9vw, 42px);
  }

  .privacy-intro-lead {
    margin-bottom: 22px;
    font-size: 14px;
  }

  .onboarding-card-actions {
    position: sticky;
    bottom: 0;
    min-height: 68px;
    padding: 11px 16px;
  }

  .onboarding-primary {
    flex: 1;
  }

  .onboarding-tour-card {
    top: auto !important;
    right: 10px;
    bottom: 10px;
    left: 10px !important;
    width: auto;
    max-height: 47dvh;
    overflow-y: auto;
    border-radius: 16px;
  }

  .onboarding-tour-card h2 {
    font-size: 25px;
  }

  .onboarding-tour-card > .onboarding-eyebrow {
    margin-top: 19px;
  }

  .onboarding-step-body {
    margin-block: 12px 16px;
    font-size: 13px;
  }

  .onboarding-outcome {
    margin-bottom: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .privacy-intro,
  .onboarding-tour-card {
    animation: none;
  }

  .onboarding-spotlight {
    transition: none;
  }
}

/* 4.6.0 — clarity, brand and preview pass */
:root {
  --paper: #f6f8fc;
  --paper-strong: #ffffff;
  --surface: #eef4ff;
  --ink: #111b2d;
  --ink-dim: #49576c;
  --ink-faint: #718096;
  --line: rgba(35, 72, 124, .18);
  --line-soft: rgba(35, 72, 124, .1);
  --line-bright: rgba(23, 105, 255, .42);
  --topbar-h: 68px;
  --footer-h: 0px;
  --rail-w: 304px;
  --control-w: 400px;
}

html {
  font-size: 16px;
}

body {
  color: var(--ink);
  background: #f6f8fc;
  font-size: 14px;
  line-height: 1.5;
}

.studio-topbar {
  grid-template-columns: minmax(194px, 1fr) auto minmax(410px, 1fr);
  min-height: var(--topbar-h);
  padding: 0 20px;
  gap: 18px;
  border-bottom: 1px solid #dce4f0;
  background: rgba(255, 255, 255, .96);
  box-shadow: 0 1px 0 rgba(17, 27, 45, .02);
  backdrop-filter: blur(18px);
}

.studio-brand {
  min-width: 194px;
  gap: 12px;
}

.brand-bug {
  display: block;
  width: 44px;
  height: 44px;
  flex: 0 0 44px;
  overflow: visible;
  border: 0;
  background: transparent;
  box-shadow: none;
}

.brand-bug::before,
.brand-bug::after,
.brand-bug > i,
.brand-bug > b {
  display: none;
}

.brand-mark-code {
  display: block;
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 5px 8px rgba(25, 53, 103, .14));
}

.brand-copy {
  gap: 1px;
}

.brand-copy strong {
  font-family: var(--display);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -.03em;
  text-transform: none;
}

.brand-copy small {
  margin-top: 0;
  color: #63728a;
  font-family: var(--body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: none;
}

.workflow-steps {
  gap: 5px;
}

.workflow-steps > button {
  min-height: 36px;
  padding-inline: 12px;
  border-radius: 9px;
}

.workflow-steps > button b,
.workflow-steps > button span {
  font-size: 11px;
}

.workflow-steps > i {
  width: 18px;
  opacity: .48;
}

.workflow-current {
  display: none;
}

.runtime-actions {
  justify-self: end;
  gap: 8px;
}

.language-toggle,
.runtime-button,
.runtime-pill {
  min-height: 40px;
  border-radius: 10px;
  font-size: 12px;
}

.language-toggle {
  min-width: 42px;
  height: 40px;
  border-radius: 10px;
  font-size: 11px;
}

.runtime-button {
  padding-inline: 13px;
  white-space: nowrap;
}

.runtime-button-primary {
  min-width: 112px;
  box-shadow: 0 7px 16px rgba(23, 105, 255, .18);
}

#recordButton,
.runtime-pill,
#stopButton,
#snapshotButton:disabled {
  display: none;
}

#importMediaButton {
  min-width: 92px;
}

#snapshotButton {
  min-width: 66px;
}

.studio-shell {
  min-height: 560px;
}

.studio-footer,
.demo-rail > .panel-heading,
.demo-brief {
  display: none;
}

.demo-rail {
  border-right: 1px solid #dce4f0;
  background: #fff;
}

.source-workbench {
  padding: 16px 14px 14px;
  background: #fff;
}

.section-label,
.rail-divider {
  color: #69788e;
  font-size: 11px;
  letter-spacing: .08em;
}

.section-label {
  padding: 0 2px 9px;
}

.section-label b {
  font-size: 10px;
}

.source-card {
  grid-template-columns: 76px minmax(0, 1fr) 7px;
  min-height: 76px;
  border-radius: 10px;
  box-shadow: none;
}

.source-card canvas {
  width: 76px;
  height: 74px;
}

.source-card span,
.source-card small,
.media-library-heading {
  color: #718096;
  font-size: 10px;
}

.source-card strong {
  margin-block: 2px;
  font-size: 16px;
  line-height: 1.2;
}

.source-actions {
  margin-top: 9px;
  gap: 6px;
}

.source-actions button {
  min-height: 44px;
  padding: 6px 4px;
  border-radius: 8px;
  font-size: 10px;
}

.source-actions button span {
  font-size: 12px;
}

.media-library-heading {
  margin-top: 12px;
}

.media-library-heading,
.media-library > p {
  display: none;
}

.media-library:has(.media-item) {
  margin-top: 10px;
}

.rail-divider {
  padding: 14px 16px 6px;
}

.demo-nav {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
  padding: 5px 14px 14px;
}

.demo-tab {
  grid-template-columns: minmax(0, 1fr) 7px;
  min-height: 58px;
  padding: 9px 10px;
  border-radius: 9px;
  box-shadow: none;
}

.demo-tab.is-active {
  box-shadow: inset 3px 0 var(--blue);
}

.demo-tab strong {
  font-family: var(--body);
  font-size: 13px;
  letter-spacing: 0;
}

.demo-tab small {
  display: block;
  margin-top: 2px;
  font-size: 10px;
}

.material-feature {
  padding: 13px 14px 14px;
  background: #f8fbff;
}

.material-hero-preview {
  display: none;
}

.material-hero-copy {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  padding: 0;
  gap: 2px 10px;
}

.material-hero-copy > span {
  grid-row: 1 / span 2;
  grid-column: 2;
  align-self: center;
  padding: 5px 8px;
  border: 1px solid rgba(23, 105, 255, .18);
  border-radius: 999px;
  color: var(--blue);
  font-size: 9px;
  letter-spacing: .05em;
  writing-mode: horizontal-tb;
}

.material-hero-copy h2 {
  grid-row: 1;
  grid-column: 1;
  font-size: 18px;
  letter-spacing: -.02em;
}

.material-hero-copy p {
  grid-row: 2;
  grid-column: 1;
  color: #69788e;
  font-size: 10px;
  letter-spacing: .02em;
}

.preset-section {
  padding: 14px;
}

.preset-grid {
  gap: 7px;
}

.preset-card {
  min-height: 80px;
  border-radius: 8px;
}

.preset-card b {
  padding: 7px;
  color: #d8e1ee;
  font-size: 10px;
  letter-spacing: .02em;
  text-transform: none;
}

.preset-card.is-active b {
  color: #76a6ff;
}

.save-preset-button {
  min-height: 44px;
  margin-top: 9px;
  border-style: solid;
  border-radius: 8px;
  font-family: var(--body);
  font-size: 11px;
  letter-spacing: 0;
}

.stage-column {
  grid-template-rows: 46px minmax(0, 1fr) 46px;
  padding: 14px 18px 12px;
  gap: 8px;
  background: #f6f8fc;
}

.stage-toolbar,
.stage-footer {
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.stage-toolbar {
  padding: 0 2px;
}

.stage-toolbar > div > b {
  font-size: 12px;
  letter-spacing: .04em;
}

.stage-toolbar small {
  color: #718096;
  font-size: 11px;
}

.live-mark {
  width: 7px;
  height: 7px;
}

.history-actions,
.quality-switch {
  overflow: hidden;
  border-radius: 8px;
}

.history-actions button,
.quality-switch button {
  min-width: 34px;
  min-height: 32px;
  font-size: 10px;
}

.quality-switch button {
  padding-inline: 10px;
}

.vision-stage {
  border: 1px solid #cfd9e7;
  border-radius: 13px;
  background: #10141b;
  box-shadow: 0 10px 28px rgba(24, 45, 76, .08);
}

.stage-grid,
.stage-vignette,
.stage-corners,
.stage-readout {
  display: none;
}

body[data-runtime="running"] .idle-overlay {
  display: none;
}

.idle-overlay {
  padding: 32px;
  background: #10141b;
}

.idle-overlay p {
  margin-top: 18px;
  font-size: 10px;
}

.idle-overlay h1 {
  max-width: 12ch;
  font-size: clamp(34px, 4vw, 58px);
  line-height: .98;
}

.idle-overlay small {
  margin-top: 16px;
  font-size: 12px;
}

.compare-handle {
  width: 34px;
  height: 34px;
  border-width: 1px;
  box-shadow: 0 5px 16px rgba(4, 18, 48, .22);
}

.compare-handle::before,
.compare-handle::after {
  width: 1px;
}

.stage-footer {
  display: grid;
  grid-template-columns: minmax(300px, .75fr) minmax(0, 1fr);
  grid-template-rows: 1fr;
  align-items: center;
  padding: 0 2px;
  gap: 14px;
}

.transport {
  height: 38px;
  overflow: hidden;
  border: 1px solid #d6dfeb;
  border-radius: 8px;
  background: #fff;
}

.transport button {
  color: #526078;
  background: #fff;
  font-size: 10px;
}

.transport-time {
  font-size: 10px;
}

.stage-footer-copy {
  justify-content: flex-end;
  padding: 0;
  color: #718096;
  font-family: var(--body);
  font-size: 11px;
}

.stage-footer-copy > span:last-child {
  display: none;
}

.control-dock-toggle {
  top: auto;
  right: 22px;
  bottom: 22px;
  display: flex;
  width: auto;
  min-width: 96px;
  min-height: 42px;
  padding: 0 14px;
  justify-content: center;
  gap: 9px;
  border: 1px solid rgba(23, 105, 255, .28);
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 9px 24px rgba(24, 45, 76, .14);
  transform: none;
}

.control-dock-toggle span {
  font-family: var(--body);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: none;
  writing-mode: horizontal-tb;
}

.control-dock-toggle b {
  color: var(--blue);
  font-size: 17px;
}

body[data-controls="open"] .control-dock-toggle {
  right: calc(min(var(--control-w), 92vw) + 14px);
}

.control-panel {
  bottom: 0;
  font-size: 13px;
}

.control-heading {
  min-height: 74px;
}

.control-heading > span,
.control-group-title,
.tracking-status span {
  font-size: 10px;
}

.control-heading > b {
  font-size: 15px;
}

.control-heading-actions button {
  min-height: 34px;
  padding-inline: 10px;
  font-size: 11px;
}

.signal-strip span,
.signal-strip small {
  font-size: 10px;
}

.control-row {
  min-height: 58px;
}

.control-row label,
.control-row output,
.tracking-status p,
.privacy-card p {
  font-size: 12px;
}

.control-row.control-row-wide {
  min-height: 0;
  padding: 12px 0 14px;
}

.control-segmented {
  gap: 5px;
  padding: 4px;
  border-color: #d5dfed;
  border-radius: 10px;
  background: #eef3fa;
}

.control-segmented button {
  min-height: 38px;
  border-radius: 7px;
  color: #68778e;
  font-family: var(--body);
  font-size: 12px;
  font-weight: 650;
}

.control-segmented button.is-active {
  color: #fff;
  background: #1769ff;
  box-shadow: 0 7px 18px rgba(23, 105, 255, .22);
}

.control-preset-pool {
  gap: 6px;
}

.control-preset-option {
  min-height: 42px;
  padding: 7px 9px;
  border-color: #d5dfed;
  border-radius: 8px;
  color: #53637a;
  background: #fff;
  font-family: var(--body);
  font-size: 11px;
}

.control-preset-option:has(input:checked) {
  border-color: rgba(23, 105, 255, .55);
  color: #164aaf;
  background: #edf4ff;
}

body[data-demo="motion-mask"] .control-row:has([data-control-id="material"]),
body[data-demo="motion-mask"] .control-row:has([data-control-id="fieldAMode"]) {
  border-left: 3px solid #1769ff;
  background: rgba(23, 105, 255, .035);
}

body[data-demo="motion-mask"] .control-row:has([data-control-id="fieldBMaterial"]),
body[data-demo="motion-mask"] .control-row:has([data-control-id="fieldBMode"]) {
  border-left: 3px solid #e34a42;
  background: rgba(227, 74, 66, .035);
}

body[data-demo="motion-mask"] .control-row:has([data-control-id="fieldCMaterial"]),
body[data-demo="motion-mask"] .control-row:has([data-control-id="fieldCMode"]) {
  border-left: 3px solid #c48a12;
  background: rgba(196, 138, 18, .045);
}

body[data-demo="motion-mask"] .control-row:has([data-control-id="fieldAMode"]) label,
body[data-demo="motion-mask"] .control-row:has([data-control-id="fieldBMode"]) label,
body[data-demo="motion-mask"] .control-row:has([data-control-id="fieldCMode"]) label {
  font-weight: 700;
}

@media (max-width: 1180px) {
  :root {
    --rail-w: 284px;
    --control-w: 370px;
  }

  .studio-topbar {
    grid-template-columns: minmax(180px, 1fr) auto minmax(350px, 1fr);
    gap: 10px;
    padding-inline: 14px;
  }

  .runtime-button-tool > span:last-child {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
  }

  .runtime-button-tool {
    min-width: 42px;
    padding-inline: 10px;
  }
}

@media (max-width: 980px) {
  :root {
    --rail-w: 272px;
  }

  .studio-topbar {
    grid-template-columns: auto 1fr;
  }

  .stage-column {
    padding-inline: 12px;
  }

  .stage-footer {
    grid-template-columns: minmax(260px, 1fr);
  }

  .stage-footer-copy {
    display: none;
  }
}

@media (max-width: 720px) {
  :root {
    --topbar-h: 116px;
    --footer-h: 0px;
  }

  body {
    font-size: 14px;
  }

  .studio-topbar {
    gap: 7px;
    padding: 8px 10px;
  }

  .brand-bug {
    width: 38px;
    height: 38px;
    flex-basis: 38px;
  }

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

  .runtime-actions {
    gap: 6px;
  }

  .runtime-button-tool {
    position: relative;
    flex: 0 1 auto;
    min-width: 66px;
    padding-inline: 10px;
  }

  .runtime-button-tool > span:last-child {
    position: static;
    width: auto;
    height: auto;
    overflow: visible;
    clip-path: none;
  }

  #importMediaButton {
    min-width: 88px;
  }

  .language-toggle,
  .runtime-button,
  .runtime-pill {
    min-height: 40px;
  }

  .stage-column {
    grid-template-rows: 44px minmax(300px, 38dvh) 46px;
    padding: 8px;
    gap: 7px;
  }

  .vision-stage {
    border-radius: 10px;
  }

  .stage-toolbar > div > b {
    font-size: 11px;
  }

  .stage-footer {
    grid-template-columns: minmax(0, 1fr);
  }

  .control-dock-toggle {
    right: 12px;
    bottom: 12px;
    min-width: 88px;
    min-height: 40px;
  }

  body[data-controls="open"] .control-dock-toggle {
    right: min(360px, 92vw);
  }

  .demo-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .preset-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    overflow: visible;
  }
}

@media (max-width: 430px) {
  .studio-brand {
    min-width: 0;
  }

  .stage-column {
    grid-template-rows: 42px minmax(300px, 38dvh) 44px;
  }

  .quality-switch button {
    min-width: 32px;
    padding-inline: 7px;
  }

  .source-actions button {
    min-height: 44px;
  }
}