/* Dynamic Art Studio — Pixel Art-style native shell + modern landing */

.das-app__menubar.das-app__menubar--hidden {
  display: none;
}

/* Landing page is fully removed from layout while the studio is open */
.das-app__gallery[hidden],
.das-app--studio .das-app__gallery {
  display: none !important;
}

/* ── Homepage / landing ── */
.das-app__gallery {
  overflow: auto;
  padding: calc(var(--native-titlebar-h) + 48px) 24px 48px;
}

.das-landing {
  max-width: 960px;
  margin: 0 auto;
}

.das-landing__hero {
  margin-bottom: 2rem;
}

.das-landing__title {
  margin: 0 0 0.35rem;
  font-size: 1.85rem;
  font-weight: 800;
}

.das-landing__subtitle {
  margin: 0;
  opacity: 0.75;
  font-size: 1rem;
}

.das-landing__actions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  margin-bottom: 2rem;
}

.das-landing__action-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.35rem;
  padding: 1.1rem 1.25rem;
  border: 1px solid var(--native-glass-border);
  border-radius: var(--native-float-radius);
  background: var(--native-glass-bg);
  box-shadow: var(--native-float-shadow-light);
  cursor: pointer;
  text-align: left;
  font: inherit;
  color: inherit;
  transition:
    transform var(--native-ios-press-duration) var(--native-ios-spring),
    border-color 0.15s ease;
  -webkit-tap-highlight-color: transparent;
}

.das-landing__action-card:hover {
  border-color: color-mix(in srgb, var(--header-accent) 35%, transparent);
}

.das-landing__action-card:active:not(:disabled) {
  transform: scale(var(--native-ios-press-scale));
}

.das-landing__action-card--primary {
  border-color: color-mix(in srgb, var(--header-accent) 45%, transparent);
  background: color-mix(in srgb, var(--header-accent) 8%, var(--surface));
}

.das-landing__action-label {
  font-weight: 700;
  font-size: 1rem;
}

.das-landing__action-desc {
  font-size: 0.82rem;
  opacity: 0.72;
  line-height: 1.35;
}

.das-landing__draft-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 0.85rem 1rem;
  margin-bottom: 1.5rem;
  border-radius: var(--native-float-radius);
  border: 1px solid color-mix(in srgb, var(--header-accent) 35%, transparent);
  background: color-mix(in srgb, var(--header-accent) 10%, var(--surface));
}

.das-landing__draft-banner[hidden] {
  display: none;
}

.das-landing__section-title {
  margin: 0 0 0.75rem;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--page-fg-muted);
}

.das-landing__new-panel {
  margin-bottom: 2rem;
  padding: 1rem;
  border: 1px solid var(--native-glass-border);
  border-radius: var(--native-float-radius);
  background: var(--native-glass-bg);
}

.das-landing__new-panel[hidden] {
  display: none;
}

.das-landing__presets {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 1rem;
}

.das-landing__preset {
  padding: 0.45rem 0.75rem;
  border-radius: var(--native-float-radius-sm);
  border: 1px solid var(--native-glass-border);
  background: color-mix(in srgb, var(--surface) 80%, transparent);
  cursor: pointer;
  font-size: 0.82rem;
}

.das-landing__custom {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: end;
}

.das-landing__field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.82rem;
}

.das-landing__field--grow {
  flex: 1;
  min-width: 140px;
}

.das-landing__field input {
  padding: 0.4rem 0.55rem;
  border-radius: var(--native-float-radius-sm);
  border: 1px solid var(--native-glass-border);
  background: var(--page-bg);
  color: var(--page-fg);
  font-size: 0.85rem;
}

.das-landing__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 16px;
}

.das-landing__card {
  position: relative;
  border-radius: var(--native-float-radius);
  overflow: hidden;
  border: 1px solid var(--native-glass-border);
  background: var(--native-glass-bg);
  cursor: pointer;
  text-align: left;
  transition: transform var(--native-ios-press-duration) var(--native-ios-spring);
}

.das-landing__card:active {
  transform: scale(var(--native-ios-press-scale));
}

.das-landing__thumb {
  aspect-ratio: 1;
  background: color-mix(in srgb, var(--page-fg) 82%, black);
  display: flex;
  align-items: center;
  justify-content: center;
}

.das-landing__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.das-landing__thumb-placeholder {
  width: 50%;
  height: 50%;
  border-radius: 8px;
  background: var(--native-glass-border);
  opacity: 0.5;
}

.das-landing__card-meta {
  padding: 0.65rem 0.75rem;
}

.das-landing__card-title {
  margin: 0;
  font-size: 0.88rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.das-landing__card-size {
  margin: 0.2rem 0 0;
  font-size: 0.72rem;
  opacity: 0.65;
}

.das-landing__delete {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: none;
  background: rgba(0, 0, 0, 0.55);
  color: #fff;
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
}

.das-landing__empty {
  opacity: 0.65;
  font-size: 0.88rem;
}

/* ── Studio panel — edge-to-edge canvas when `.das-app--studio` is on root ── */
.das-app--studio.native-app__root {
  padding: 0;
  gap: 0;
}

.das-app--studio #app-titlebar,
.das-app--studio .das-app__menubar {
  border-radius: 0;
}

.das-app--studio .das-studio__panel {
  gap: 0;
}

.das-app--studio .das-studio__optionsbar {
  flex-shrink: 0;
  width: 100%;
  margin: 0;
  border-radius: 0;
}

.das-app--studio .das-studio__panel > .native-app__statusbar {
  flex-shrink: 0;
  width: 100%;
  margin: 0;
  border-radius: 0;
}

.das-studio__panel {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  overflow: hidden;
  gap: var(--native-float-gap);
}

.das-studio__panel[hidden] {
  display: none;
}

.das-studio__main {
  position: relative;
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

@media (max-width: 900px) {
  .das-studio__tool-rail {
    position: absolute !important;
    top: var(--native-float-inset) !important;
    left: 50% !important;
    right: auto !important;
    bottom: auto !important;
    transform: translateX(-50%);
    flex-direction: row !important;
    width: auto;
    max-width: calc(100% - var(--native-float-inset) * 2);
    padding: 0.35rem 0.5rem !important;
    overflow-x: auto;
  }

  .das-studio__side-panel {
    position: absolute !important;
    left: var(--native-float-inset) !important;
    right: var(--native-float-inset) !important;
    bottom: var(--native-float-inset) !important;
    top: auto !important;
    width: auto !important;
    max-height: 40vh;
  }

  .das-app--studio .das-studio__workspace {
    padding: 0;
  }
}

.das-studio__tool-rail {
  position: absolute;
  top: var(--native-float-inset);
  left: var(--native-float-inset);
  bottom: var(--native-float-inset);
  z-index: 20;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.4rem 0.3rem;
  overflow-y: auto;
}

.das-studio__tool-rail-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  border: 1px solid transparent;
  border-radius: var(--native-float-radius-sm);
  background: transparent;
  color: var(--page-fg);
  cursor: pointer;
  transition:
    transform var(--native-ios-press-duration) var(--native-ios-spring),
    opacity 0.12s ease,
    background-color 0.15s ease,
    border-color 0.15s ease;
  -webkit-tap-highlight-color: transparent;
}

.das-studio__tool-rail-btn:hover {
  background: color-mix(in srgb, var(--header-accent) 10%, var(--surface));
}

.das-studio__tool-rail-btn:active:not(:disabled) {
  transform: scale(var(--native-ios-press-scale));
  opacity: 0.85;
}

.das-studio__tool-rail-btn.is-active {
  border-color: color-mix(in srgb, var(--header-accent) 40%, transparent);
  background: color-mix(in srgb, var(--header-accent) 18%, var(--surface));
  color: var(--header-accent);
  box-shadow: var(--native-float-shadow-light);
}

.das-studio__tool-rail-divider {
  font-size: 0.58rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--page-fg-muted);
  padding: 0.35rem 0.15rem 0.15rem;
  margin-top: 0.25rem;
  border-top: 1px solid var(--native-glass-border);
  width: 100%;
  text-align: center;
}

.das-studio__workspace {
  position: relative;
  flex: 1;
  min-height: 0;
  min-width: 0;
  width: 100%;
  display: flex;
  flex-direction: column;
  background: var(--native-studio-workspace);
  background-image:
    linear-gradient(45deg, var(--native-studio-workspace-checker) 25%, transparent 25%),
    linear-gradient(-45deg, var(--native-studio-workspace-checker) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, var(--native-studio-workspace-checker) 75%),
    linear-gradient(-45deg, transparent 75%, var(--native-studio-workspace-checker) 75%);
  background-size: 16px 16px;
  background-position: 0 0, 0 8px, 8px -8px, -8px 0;
  overflow: hidden;
}

.das-app--studio .das-studio__workspace {
  padding: 0;
  border-radius: 0;
}

.das-studio__viewport {
  position: relative;
  flex: 1;
  min-height: 0;
  min-width: 0;
  width: 100%;
  touch-action: none;
  overflow: hidden;
}

.das-studio__overlay-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

#das-display-canvas {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
  cursor: crosshair;
}

.das-studio__side-panel {
  position: absolute;
  top: var(--native-float-inset);
  right: var(--native-float-inset);
  bottom: var(--native-float-inset);
  z-index: 20;
  width: var(--native-panel-w);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 0;
}

.das-studio__panel-tabs {
  flex-shrink: 0;
  margin: 0.5rem 0.5rem 0;
}

.das-studio__panel-content {
  flex: 1;
  overflow-y: auto;
  padding: 0.65rem;
  min-height: 0;
}

.das-studio__panel-content[hidden] {
  display: none;
}

.das-studio__inspector-section {
  margin-bottom: 0.85rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid var(--native-glass-border);
}

.das-studio__inspector-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.das-studio__inspector-title {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--page-fg-muted);
  margin: 0 0 0.45rem;
}

.das-studio__side-panel .tool-field {
  margin-bottom: 0.65rem;
}

.das-studio__side-panel .tool-field label {
  font-size: 0.78rem;
  margin-bottom: 0.25rem;
}

.das-studio__side-panel .tool-input {
  font-size: 0.82rem;
  padding: 0.35rem 0.5rem;
  border-radius: var(--native-float-radius-sm);
  width: 100%;
}

.das-studio__brush-preview {
  display: block;
  width: 32px;
  height: 32px;
  margin-bottom: 0.45rem;
  border: 1px solid var(--native-glass-border);
  border-radius: var(--native-float-radius-sm);
}

.das-studio__color-swatch {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  border: 2px solid var(--native-glass-border);
  margin-bottom: 0.45rem;
}

.das-studio__color-disc {
  width: 100%;
  max-width: 120px;
  height: auto;
  aspect-ratio: 1;
  border-radius: 50%;
  cursor: crosshair;
  touch-action: none;
  display: block;
  margin-bottom: 0.45rem;
}

.das-studio__recent-colors {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.das-studio__recent-swatch {
  width: 1.35rem;
  height: 1.35rem;
  border-radius: 50%;
  border: 1px solid var(--native-glass-border);
  cursor: pointer;
  padding: 0;
}

.das-studio__canvas-meta {
  font-size: 0.78rem;
  color: var(--page-fg-muted);
  margin: 0;
}

.das-studio__layers {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin: 0 0 0.5rem;
  max-height: 14rem;
  overflow-y: auto;
}

.das-studio__layer-row {
  display: grid;
  grid-template-columns: 2rem 1fr;
  grid-template-rows: auto auto;
  gap: 0.25rem 0.35rem;
  padding: 0.35rem;
  border-radius: var(--native-float-radius-sm);
  border: 1px solid var(--native-glass-border);
  background: color-mix(in srgb, var(--surface) 70%, transparent);
}

.das-studio__layer-row.is-active {
  border-color: color-mix(in srgb, var(--header-accent) 40%, transparent);
  background: color-mix(in srgb, var(--header-accent) 10%, var(--surface));
}

.das-studio__layer-vis {
  grid-row: span 2;
  align-self: center;
  font: inherit;
  padding: 0.25rem;
  border: 1px solid var(--native-glass-border);
  border-radius: var(--native-float-radius-sm);
  background: transparent;
  cursor: pointer;
}

.das-studio__layer-name {
  text-align: left;
  border: none;
  background: transparent;
  color: var(--page-fg);
  cursor: pointer;
  font-size: 0.78rem;
  padding: 0;
}

.das-studio__layer-opacity {
  width: 100%;
}

.field-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
}

.field__value {
  font-size: 0.78rem;
  font-variant-numeric: tabular-nums;
  min-width: 2rem;
  text-align: center;
}

/* In-studio new canvas dialog (replaces returning to the landing page) */
.das-studio__new-dialog {
  width: min(28rem, calc(100vw - 2rem));
  padding: 0;
  border: none;
  background: transparent;
}

.das-studio__new-dialog::backdrop {
  background: color-mix(in srgb, var(--page-fg) 35%, transparent);
  backdrop-filter: blur(4px);
}

.das-studio__new-dialog-panel {
  padding: 1rem;
  border-radius: var(--native-float-radius);
}

.das-studio__new-dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

@media (prefers-reduced-motion: reduce) {
  .das-studio__tool-rail-btn:active:not(:disabled),
  .das-landing__action-card:active:not(:disabled),
  .das-landing__card:active {
    transform: none;
    opacity: 1;
  }
}