:root {
  color-scheme: light;
  --surface: #eeede8;
  --ink: #242522;
  --muted: #777870;
  --line: #d9d7cf;
  --accent: #3268e8;
}

* {
  box-sizing: border-box;
}
body {
  margin: 0;
  color: var(--ink);
  background: var(--surface);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", sans-serif;
}
button,
input {
  font: inherit;
}
button,
a,
label {
  -webkit-tap-highlight-color: transparent;
}
button,
.button {
  cursor: pointer;
}
button:disabled {
  cursor: wait;
  opacity: 0.45;
}
button:focus-visible,
a:focus-visible,
input:focus-visible,
.upload-label:focus-within {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}
button {
  color: inherit;
}
[hidden] {
  display: none !important;
}
.topbar {
  height: 76px;
  padding: 0 30px;
  display: flex;
  gap: 24px;
  align-items: center;
  border-bottom: 1px solid var(--line);
}
.brand {
  color: inherit;
  text-decoration: none;
  font-size: 21px;
  letter-spacing: -0.7px;
  font-weight: 650;
}
.brand span {
  font-weight: 400;
  color: var(--muted);
}
.prototype-label {
  margin: auto;
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--muted);
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  min-height: 44px;
  padding: 10px 22px;
  border: 1px solid #c8c6bf;
  border-radius: 5px;
  background: transparent;
  color: var(--ink);
  text-decoration: none;
  font-size: 14px;
  transition: background 160ms ease;
}
.button:hover {
  background: #e1dfd8;
}
.button-dark {
  color: white;
  background: var(--ink);
  border-color: var(--ink);
}
.button-dark:hover {
  background: #42423f;
}
.studio {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  height: calc(100dvh - 76px);
  min-height: 590px;
}
.workspace {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 0;
  min-height: 0;
  padding: 24px 30px 14px;
  background: var(--surface);
}
.canvas-caption {
  width: 100%;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 10px;
  letter-spacing: 1.6px;
  color: var(--muted);
}
.canvas-wrap {
  flex: 1;
  width: 100%;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
#preview {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: 100%;
  object-fit: contain;
  touch-action: none;
  cursor: grab;
}
#preview:active {
  cursor: grabbing;
}
.loading {
  position: absolute;
  color: var(--muted);
  font-size: 14px;
}
.detail-open {
  position: absolute;
  right: 0;
  bottom: 4px;
  background: #f7f6f2e8;
  padding: 8px 12px;
  font-size: 12px;
}
#detail-dialog {
  width: min(960px, 100%);
  height: 100dvh;
  max-height: 100dvh;
  max-width: 100%;
  padding: max(12px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right))
    max(16px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));
  border: 0;
  border-radius: 0;
  overflow: hidden;
}
#detail-dialog[open] {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.detail-toolbar,
.detail-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex: none;
  gap: 8px;
}
.detail-toolbar h2 {
  margin: 0;
  font-size: 18px;
  font-weight: 500;
}
.detail-controls .button {
  padding: 8px 12px;
}
.detail-hint {
  margin: 0;
  font-size: 12px;
  line-height: 1.5;
  color: var(--muted);
}
#detail-scroll {
  flex: 1;
  min-height: 0;
  overflow: auto;
  overscroll-behavior: contain;
  touch-action: pan-x pan-y pinch-zoom;
}
#detail-canvas {
  display: block;
  margin: 0 auto;
  max-width: none;
}
.transport {
  display: flex;
  align-items: center;
  gap: 16px;
  width: min(100%, 540px);
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 7px;
}
.icon-button {
  min-width: 44px;
  min-height: 44px;
  background: transparent;
  border: 0;
  font-size: 19px;
}
.transport input {
  flex: 1;
  min-width: 0;
}
.transport output {
  font-size: 12px;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
  color: var(--muted);
}
.workspace-note {
  font-size: 11px;
  letter-spacing: 1px;
  margin: 12px 0 0;
  color: var(--muted);
}
.inspector {
  overflow: auto;
  padding: 28px;
  border-left: 1px solid var(--line);
  background: #f7f6f2;
}
.inspector-scroll,
.style-controls {
  display: contents;
}
.inspector-help {
  border-top: 1px solid var(--line);
  padding-top: 12px;
}
.inspector-help summary {
  cursor: pointer;
  font-size: 12px;
  color: var(--muted);
  padding: 8px 0;
}
.inspector-help .inspector-note {
  border: 0;
  padding-top: 8px;
  margin-bottom: 0;
}
.inspector-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}
h1,
h2,
p {
  margin-top: 0;
}
h1 {
  font-size: 19px;
  font-weight: 550;
  margin: 0;
}
.inspector-title span {
  color: var(--muted);
  font-size: 11px;
}
.document-actions {
  display: flex;
  gap: 22px;
  margin: -8px 0 22px;
  border-bottom: 1px solid var(--line);
}
.document-actions button:last-child {
  margin-left: auto;
}
.document-actions button {
  min-width: 44px;
  min-height: 44px;
}
.document-actions button:disabled {
  cursor: default;
}
#draft-status[data-state="error"],
#draft-status[data-state="unavailable"] {
  color: #8a4034;
}
#new-description {
  margin-top: 18px;
}
fieldset {
  border: 0;
  margin: 0;
  padding: 0;
  min-width: 0;
}
.control-section {
  margin-bottom: 27px;
}
.control-section h2,
.slider-label {
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 12px;
}
.control-section > label:not(.slider-label) {
  display: block;
  font-size: 11px;
  color: var(--muted);
  margin: 11px 0 6px;
}
.image-control {
  display: flex;
  gap: 14px;
  align-items: center;
  margin-bottom: 16px;
}
.image-control img {
  width: 76px;
  height: 80px;
  object-fit: cover;
}
.image-control .button {
  padding: 8px 13px;
  font-size: 12px;
}
.image-control p {
  font-size: 10px;
  margin: 9px 0 0;
  color: var(--muted);
}
#image-file {
  width: 1px;
  height: 1px;
  position: absolute;
  clip-path: inset(50%);
}
input[type="text"] {
  display: block;
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: transparent;
  font-size: 14px;
  color: var(--ink);
}
input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
  cursor: pointer;
  min-height: 24px;
}
.slider-label {
  display: flex;
  justify-content: space-between;
  margin: 0;
}
.slider-label output {
  color: var(--muted);
  font-size: 11px;
}
.text-button {
  background: none;
  border: 0;
  padding: 8px 0;
  min-height: 36px;
  font-size: 11px;
  color: var(--muted);
}
.segments {
  display: flex;
  gap: 10px;
}
.segments button {
  flex: 1;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: transparent;
  font-size: 13px;
}
[aria-pressed="true"] {
  border-color: var(--accent) !important;
  color: var(--accent);
}
.swatches {
  display: flex;
  gap: 12px;
}
.swatches button {
  height: 46px;
  width: 46px;
  border: 1px solid #c8c6bf;
  border-radius: 5px;
  background: var(--swatch);
}
.swatches button[aria-pressed="true"] {
  box-shadow: inset 0 0 0 3px #f7f6f2;
}
.inspector-note {
  font-size: 11px;
  line-height: 1.8;
  color: var(--muted);
  padding-top: 18px;
  border-top: 1px solid var(--line);
}
#status {
  position: fixed;
  bottom: 12px;
  left: 20px;
  margin: 0;
  font-size: 12px;
  background: var(--ink);
  color: white;
  padding: 10px 16px;
  border-radius: 5px;
  pointer-events: none;
  max-width: calc(100% - 40px);
}
#status:empty {
  display: none;
}
dialog {
  width: min(440px, calc(100% - 32px));
  max-height: calc(100dvh - 32px);
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 24px;
  background: #f7f6f2;
  color: var(--ink);
}
dialog::backdrop {
  background: #24252270;
  backdrop-filter: blur(5px);
}
.dialog-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.dialog-heading h2 {
  font-size: 21px;
  font-weight: 500;
  margin: 0;
}
.export-intro,
#export-status {
  font-size: 12px;
  line-height: 1.8;
  color: var(--muted);
}
dl {
  margin: 22px 0;
}
dl div {
  display: flex;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
}
dt {
  color: var(--muted);
}
.export-actions {
  display: flex;
  gap: 10px;
}
.export-actions .button {
  flex: 1;
  padding: 10px;
  font-size: 12px;
}
#export-status {
  margin-top: 16px;
}
#export-progress {
  width: 100%;
  accent-color: var(--accent);
}
#export-result {
  width: 100%;
  max-height: 40dvh;
  margin: 12px 0;
  background: var(--surface);
}
#download-video {
  width: 100%;
}
@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}
.storyboard {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-top: 8px;
}

.storyboard button {
  min-width: 58px;
  min-height: 36px;
  border: 1px solid transparent;
  border-radius: 20px;
  background: transparent;
  color: #77776f;
  font: inherit;
  font-size: 12px;
  cursor: pointer;
}

.storyboard button[aria-pressed="true"] {
  color: #2f342e;
  border-color: #30352b25;
  background: #ffffff65;
}

.storyboard button:focus-visible {
  outline: 2px solid #526653;
  outline-offset: 2px;
}
/* One compact layout, aligned with COMPACT_EDITOR in editor-panels.js. */
@media (max-width: 760px), (max-width: 1000px) and (max-height: 500px) {
  html {
    overflow: hidden;
  }
  body {
    display: flex;
    flex-direction: column;
    height: var(--editor-viewport-height, 100dvh);
    overflow: hidden;
  }
  .topbar {
    flex: none;
    height: calc(56px + env(safe-area-inset-top));
    padding: env(safe-area-inset-top) max(16px, env(safe-area-inset-right)) 0
      max(16px, env(safe-area-inset-left));
    justify-content: space-between;
    gap: 12px;
  }
  .brand {
    font-size: 18px;
  }
  .prototype-label {
    display: none;
  }
  .topbar .button {
    padding: 8px 14px;
    min-height: 44px;
  }
  .studio {
    flex: 1;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: minmax(150px, 46%) minmax(0, 1fr);
    height: auto;
    min-height: 0;
  }
  .workspace {
    padding: 8px max(14px, env(safe-area-inset-right)) 4px
      max(14px, env(safe-area-inset-left));
  }
  .canvas-caption {
    flex: none;
    font-size: 9px;
  }
  .canvas-caption span:last-child {
    letter-spacing: 0;
  }
  .transport {
    flex: none;
    gap: 6px;
    padding: 0;
    border: 0;
  }
  .transport output {
    font-size: 10px;
  }
  .storyboard {
    flex: none;
    margin-top: 0;
  }
  .storyboard button {
    min-height: 44px;
    border-radius: 5px;
  }
  .workspace-note {
    display: none;
  }
  .inspector {
    display: flex;
    flex-direction: column;
    min-height: 0;
    overflow: hidden;
    border-left: 0;
    border-top: 1px solid var(--line);
    padding: 8px max(16px, env(safe-area-inset-right)) 0
      max(16px, env(safe-area-inset-left));
  }
  .inspector-title {
    flex: none;
    min-height: 24px;
    gap: 12px;
    margin: 0;
  }
  .inspector-title h1 {
    flex: none;
    font-size: 15px;
  }
  .inspector-title span {
    text-align: right;
    line-height: 16px;
  }
  .document-actions {
    flex: none;
    gap: 16px;
    margin: 0;
    border: 0;
  }
  .document-actions .text-button {
    font-size: 13px;
  }
  .editor-tabs {
    display: flex;
    flex: none;
    border-bottom: 1px solid var(--line);
  }
  .editor-tabs button {
    flex: 1;
    min-height: 44px;
    border: 0;
    background: transparent;
    color: var(--muted);
    font-size: 14px;
  }
  .editor-tabs button[aria-selected="true"] {
    color: var(--ink);
    box-shadow: inset 0 -2px 0 var(--accent);
  }
  .editor-tabs button:focus-visible {
    outline-offset: -4px;
  }
  .inspector-scroll {
    display: block;
    flex: 1;
    min-height: 0;
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior-y: contain;
    padding: 12px 0 max(12px, env(safe-area-inset-bottom));
    scroll-padding-block: 12px;
  }
  .control-section {
    margin: 0;
    min-width: 0;
  }
  .inspector-scroll :is(input, button, summary):focus-visible {
    outline-offset: -2px;
  }
  .editor-pane > h2 {
    display: none;
  }
  .style-controls {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 18px 16px;
  }
  .style-controls .control-section:last-child {
    grid-column: 1 / -1;
  }
  .segments {
    gap: 5px;
  }
  .swatches {
    gap: 6px;
  }
  .swatches button {
    flex: none;
    width: 44px;
    height: 44px;
  }
  .control-section > label:not(.slider-label) {
    font-size: 12px;
    margin-top: 8px;
  }
  input[type="text"] {
    font-size: 16px;
  }
  input[type="range"],
  .text-button {
    min-height: 44px;
  }
  .inspector-help {
    margin-top: 14px;
    padding-top: 0;
  }
  .inspector-help summary {
    min-height: 44px;
    padding: 14px 0;
  }
  #status {
    bottom: max(12px, env(safe-area-inset-bottom));
    z-index: 5;
  }
}

@media (max-width: 374px) {
  .style-controls {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* Landscape phones use side-by-side editing instead of squeezing two rows. */
@media (min-width: 640px) and (max-width: 1000px) and (max-height: 500px) {
  .studio {
    grid-template-columns: minmax(0, 1fr) minmax(280px, 38%);
    grid-template-rows: minmax(0, 1fr);
  }
  .inspector {
    border-top: 0;
    border-left: 1px solid var(--line);
  }
  .style-controls {
    grid-template-columns: minmax(0, 1fr);
  }
}