:root {
  --cs-left-width: 310px;
  --cs-right-width: 390px;
  --cs-left-effective: var(--cs-left-width);
  --cs-right-effective: var(--cs-right-width);
  --cs-resizer: 6px;
  --cs-readable-xs: 11px;
  --cs-readable-sm: 12px;
  --cs-readable-md: 13px;
}

.app-root:fullscreen {
  width: 100vw;
  height: 100vh;
  background: var(--md-background);
}

.workspace-shell {
  grid-template-columns: var(--cs-left-effective) var(--cs-resizer) minmax(300px, 1fr) var(--cs-resizer) var(--cs-right-effective);
  gap: 0;
  transition: grid-template-columns 180ms var(--cs-ease);
}

.library-pane, .right-pane {
  position: relative;
  z-index: 2;
  opacity: 1;
  transition: opacity 130ms ease, visibility 130ms ease;
}

.library-pane { border-right: 0; }
.left-panel-content { height: 100%; min-height: 0; }
.right-pane { grid-template-rows: 58px minmax(0, 1fr); border-left: 0; }

.app-root.left-collapsed .workspace-shell { grid-template-columns: 0 0 minmax(300px, 1fr) var(--cs-resizer) var(--cs-right-effective); }
.app-root.right-collapsed .workspace-shell { grid-template-columns: var(--cs-left-effective) var(--cs-resizer) minmax(300px, 1fr) 0 0; }
.app-root.left-collapsed.right-collapsed .workspace-shell { grid-template-columns: 0 0 minmax(300px, 1fr) 0 0; }

.app-root.left-collapsed .library-pane,
.app-root.right-collapsed .right-pane { visibility: hidden; opacity: 0; pointer-events: none; }

.panel-resizer {
  position: relative;
  z-index: 12;
  min-width: 0;
  cursor: col-resize;
  touch-action: none;
  background: var(--md-outline-variant);
}

.panel-resizer::after {
  content: "";
  width: 2px;
  position: absolute;
  inset: 0 auto 0 50%;
  border-radius: 2px;
  background: transparent;
  transform: translateX(-50%);
}

.panel-resizer:hover::after,
.panel-resizer:focus-visible::after,
body.is-resizing-panel .panel-resizer::after { background: var(--md-primary); }

.app-root.left-collapsed .panel-resizer-left,
.app-root.right-collapsed .panel-resizer-right { visibility: hidden; }

body.is-resizing-panel,
body.is-resizing-panel * { cursor: col-resize !important; user-select: none !important; }

.stage-pane { position: relative; z-index: 3; overflow: visible; }

.panel-edge-toggle {
  width: 24px;
  height: 48px;
  padding: 0;
  position: absolute;
  z-index: 24;
  top: 50%;
  display: grid;
  place-items: center;
  color: var(--md-on-surface-variant);
  border: 1px solid var(--md-outline-variant);
  background: var(--md-surface-container-lowest);
  box-shadow: 0 4px 14px rgba(10, 24, 44, .12);
  transform: translateY(-50%);
  cursor: pointer;
  transition: background var(--md-transition), color var(--md-transition);
}

.panel-edge-toggle:hover { color: var(--md-primary); background: var(--md-primary-container); }
.panel-edge-toggle-left { left: 0; border-left: 0; border-radius: 0 10px 10px 0; }
.panel-edge-toggle-right { right: 0; border-right: 0; border-radius: 10px 0 0 10px; }

.right-tabs { min-height: 58px; padding: 7px; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.right-tab { min-width: 0; }
.right-tab .material-symbols-rounded { font-size: 20px; }

.selection-ai-actions {
  position: absolute;
  z-index: 18;
  left: 50%;
  bottom: 18px;
  padding: 6px;
  display: flex;
  gap: 6px;
  border: 1px solid var(--md-outline-variant);
  border-radius: var(--md-radius-full);
  background: color-mix(in srgb, var(--md-surface-container-lowest) 94%, transparent);
  box-shadow: 0 10px 30px rgba(10, 24, 44, .16);
  backdrop-filter: blur(14px);
  transform: translateX(-50%);
}

.selection-ai-actions[hidden] { display: none; }
.selection-ai-actions button { min-height: 38px; white-space: nowrap; }

.app-topbar {
  padding-inline: 14px;
  grid-template-columns: minmax(180px, 230px) minmax(150px, 1fr) auto auto;
  gap: 10px;
}

.brand strong { font-size: 16px; }
.brand small { font-size: 10px; }
.topbar-project-title { font-size: 13px; }
.topbar-actions { flex-wrap: nowrap; }
.topbar-actions .icon-button,
.topbar-center-tools .tool-button { flex: 0 0 auto; }
.segmented-button { min-height: 34px; font-size: 12px; }
.run-button { min-width: 108px; }

.component-library {
  padding: 14px;
  gap: 12px;
  grid-template-rows: auto auto auto minmax(0, 1fr) auto;
}

.library-header h2 { font-size: 17px; }
.library-header p, .library-tip, .library-count { font-size: 11px; line-height: 1.45; }
.library-search { min-height: 44px; }
.library-search-input { font-size: 13px; }
.catalog-category-tab { min-height: 30px; font-size: 11px; }

.component-card {
  min-height: 108px;
  grid-template-columns: 104px minmax(0, 1fr);
  border-radius: 14px;
}

.component-card-visual { height: 100%; border-right: 1px solid var(--md-outline-variant); border-bottom: 0; }
.component-card-visual svg { width: 80%; height: 80%; }
.component-card-copy { padding: 9px 10px; }
.component-card-copy strong { font-size: 12px; }
.component-card-copy small { font-size: 10px; }

.inspector-panel { font-size: var(--cs-readable-sm); }
.inspector-header h2 { font-size: 16px; }
.inspector-section-title { font-size: 13px; }
.inspector-section-title span { font-size: 12px; }
.inspector-name-input { font-size: 13px; }
.inspector-actions button, .inspector-agent-actions button { min-height: 40px; font-size: 12px; }
.inspector-field label { font-size: 12px; }
.inspector-field input, .inspector-field select, .inspector-field textarea { font-size: 12px; }

.code-panel { font-size: var(--cs-readable-sm); }
.code-editor-header strong { font-size: 13px; }
.code-tab-button { min-height: 32px; font-size: 11px; }
.code-textarea { font-size: 12px; line-height: 1.6; }

.console-header strong { font-size: 13px; }
.console-entry pre { font-size: 11px; line-height: 1.5; }


.custom-select-container { position: relative; display: inline-block; }

.custom-select-trigger {
  height: 28px;
  padding: 0 8px 0 12px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border: 1px solid var(--md-outline-variant);
  border-radius: var(--md-radius-full);
  background: var(--md-surface-container-low);
  color: var(--md-on-surface);
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  transition: border-color var(--md-transition), background var(--md-transition);
}

.custom-select-trigger:hover { border-color: var(--md-primary); background: var(--md-surface-variant); }
.custom-select-trigger:disabled { opacity: 0.5; cursor: not-allowed; }

.custom-select-trigger .material-symbols-rounded {
  font-size: 16px;
  color: var(--md-on-surface-variant);
  transition: transform 150ms ease;
}

.custom-select-container.is-open .custom-select-trigger .material-symbols-rounded { transform: rotate(180deg); }

.custom-select-menu {
  position: absolute;
  bottom: calc(100% + 6px);
  left: 0;
  z-index: 50;
  min-width: 140px;
  padding: 4px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  border: 1px solid var(--md-outline-variant);
  border-radius: 12px;
  background: var(--md-surface-container-lowest);
  box-shadow: 0 8px 24px rgba(10, 24, 44, 0.16);
}

.custom-select-option {
  padding: 6px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--md-on-surface);
  font-size: 11px;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  transition: background 120ms ease;
}

.custom-select-option:hover { background: var(--md-surface-container-low); }

.custom-select-option.is-selected {
  color: var(--md-primary);
  font-weight: 600;
  background: var(--md-primary-container);
}

.custom-select-option .material-symbols-rounded { font-size: 15px; color: var(--md-primary); }

.custom-select-opt-content {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.custom-select-opt-content .material-symbols-rounded {
  font-size: 16px;
  color: var(--md-on-surface-variant);
}

.project-actions-menu {
  top: calc(100% + 6px);
  bottom: auto;
  right: 0;
  left: auto;
  min-width: 160px;
}


.export-dialog {
  width: min(1120px, calc(100vw - 28px));
  height: min(820px, calc(100vh - 28px));
  overflow: hidden;
}

.export-header {
  min-height: 78px;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  border-bottom: 1px solid var(--md-outline-variant);
}

.export-header > div { display: flex; align-items: center; gap: 12px; }
.export-header-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  color: var(--md-on-primary-container);
  border-radius: 13px;
  background: var(--md-primary-container);
}

.export-header h2 { font-size: 18px; }
.export-header p { margin-top: 2px; color: var(--md-on-surface-variant); font-size: 10px; }

.export-content {
  height: calc(100% - 78px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  background: var(--md-surface-container-low);
}

.export-preview-section { min-width: 0; min-height: 0; padding: 16px; display: grid; grid-template-rows: auto minmax(0, 1fr); gap: 10px; }
.export-preview-label { display: flex; align-items: center; justify-content: space-between; gap: 12px; font-size: 11px; }
.export-preview-label span { color: var(--md-on-surface-variant); font-size: 9px; }

.sketch-preview {
  min-height: 0;
  padding: 14px;
  display: grid;
  place-items: center;
  overflow: auto;
  border: 1px solid var(--md-outline-variant);
  border-radius: 16px;
  background: #bfc4cc;
}

.sketch-preview svg { width: auto; height: min(100%, 690px); max-width: 100%; aspect-ratio: 210 / 297; background: white; box-shadow: 0 12px 38px rgba(12, 24, 40, .2); }
.export-sidebar { min-height: 0; padding: 16px; overflow: auto; border-left: 1px solid var(--md-outline-variant); background: var(--md-surface-container-lowest); }
.export-sidebar h3 { margin: 18px 0 9px; font-size: 12px; }
.export-brand-fields { display: grid; gap: 10px; }
.export-brand-fields label { display: grid; gap: 5px; color: var(--md-on-surface-variant); font-size: 9px; font-weight: 600; }
.export-brand-fields input { font-size: 11px; }
.export-options { display: grid; gap: 7px; }

.export-option {
  min-height: 64px;
  padding: 9px 10px;
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr) 20px;
  align-items: center;
  gap: 9px;
  color: var(--md-on-surface);
  text-align: left;
  border: 1px solid var(--md-outline-variant);
  border-radius: 13px;
  background: var(--md-surface-container-low);
}

.export-option:hover { border-color: var(--md-primary); background: var(--md-primary-container); }
.export-option-icon { width: 38px; height: 38px; display: grid; place-items: center; color: var(--md-primary); border-radius: 10px; background: var(--md-surface-container-lowest); }
.export-option strong { display: block; font-size: 11px; }
.export-option small { display: block; margin-top: 2px; color: var(--md-on-surface-variant); font-size: 8.5px; }

@media (max-width: 1240px) and (min-width: 801px) {
  .app-root { --cs-left-effective: min(var(--cs-left-width), 280px); --cs-right-effective: min(var(--cs-right-width), 350px); }
  .app-topbar { grid-template-columns: 180px minmax(130px, 1fr) auto auto; }
  .brand small, .save-status { display: none; }
  .topbar-actions { gap: 1px; }
  .run-button { min-width: 92px; }
}

@media (max-width: 1040px) and (min-width: 801px) {
  .app-root { --cs-left-effective: min(var(--cs-left-width), 210px); --cs-right-effective: min(var(--cs-right-width), 270px); }
  .topbar-actions .icon-button:nth-child(1),
  .topbar-actions .icon-button:nth-child(2),
  .topbar-actions .icon-button:nth-child(4) { display: none; }
  .view-switch .segmented-button { padding-inline: 9px; }
  .component-list { grid-template-columns: 1fr; }
  .component-card { min-height: 92px; grid-template-columns: 92px minmax(0, 1fr); grid-template-rows: 1fr; }
  .component-card-visual { height: 72px; }
}

@media (max-width: 800px) {
  .workspace-shell,
  .app-root.left-collapsed .workspace-shell,
  .app-root.right-collapsed .workspace-shell,
  .app-root.left-collapsed.right-collapsed .workspace-shell {
    display: block;
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
  }
  .stage-pane {
    width: 100%;
    height: 100%;
    position: absolute;
    inset: 0;
    z-index: 1;
  }
  .panel-resizer, .panel-edge-toggle, .selection-ai-actions { display: none; }
  .library-pane,
  .right-pane {
    position: absolute !important;
    z-index: 31 !important;
    left: 50% !important;
    bottom: 0 !important;
    width: min(100%, 520px) !important;
    height: calc(100% - 8px) !important;
    border-radius: var(--md-radius-xl) var(--md-radius-xl) 0 0 !important;
    transform: translate(-50%, calc(100% + 20px)) !important;
    visibility: hidden !important;
    pointer-events: none !important;
    transition: transform 200ms var(--cs-ease), visibility 200ms var(--cs-ease) !important;
  }
  .app-root[data-mobile-panel="parts"] .library-pane {
    transform: translate(-50%, 0) !important;
    visibility: visible !important;
    pointer-events: auto !important;
    opacity: 1 !important;
  }
  .app-root[data-mobile-panel="inspect"] .right-pane,
  .app-root[data-mobile-panel="code"] .right-pane,
  .app-root[data-mobile-panel="console"] .right-pane,
  .app-root[data-mobile-panel="zeus"] .right-pane {
    transform: translate(-50%, 0) !important;
    visibility: visible !important;
    pointer-events: auto !important;
    opacity: 1 !important;
  }
  .app-root[data-mobile-panel="parts"] .mobile-panel-backdrop,
  .app-root[data-mobile-panel="inspect"] .mobile-panel-backdrop,
  .app-root[data-mobile-panel="code"] .mobile-panel-backdrop,
  .app-root[data-mobile-panel="console"] .mobile-panel-backdrop,
  .app-root[data-mobile-panel="zeus"] .mobile-panel-backdrop {
    display: block !important;
  }
  .right-tabs { grid-template-columns: repeat(4, 1fr); }
  .component-library { padding: 16px 12px 10px; }
  .component-card { min-height: 104px; grid-template-columns: 90px minmax(0, 1fr); grid-template-rows: 1fr; }
  .component-card-visual { height: 100%; border-right: 1px solid var(--md-outline-variant); border-bottom: 0; }
  .topbar-actions .fullscreen-button, .topbar-actions .export-button { display: inline-grid !important; }
  .export-dialog { width: calc(100vw - 16px); height: calc(100dvh - 16px); }
  .export-content { grid-template-columns: 1fr; grid-template-rows: minmax(260px, 1fr) auto; overflow: auto; }
  .export-preview-section { min-height: 420px; }
  .export-sidebar { border-left: 0; border-top: 1px solid var(--md-outline-variant); }
}

@media (max-width: 470px) {
  .right-tab .material-symbols-rounded { font-size: 22px; }
  .component-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .component-card { min-height: 120px; grid-template-rows: 66px auto; }
  .component-card-visual { height: 66px; }
  .ai-message { max-width: 100%; }
}

.library-pane { container-type: inline-size; }
.component-list { gap: 10px; }
.component-card {
  position: relative;
  min-height: 116px;
  padding: 0;
  grid-template-columns: 104px minmax(0, 1fr) 30px;
  gap: 0;
  overflow: hidden;
  border-color: var(--md-outline-variant);
  background: var(--md-surface-container-lowest);
}
.component-card-visual {
  width: 100%;
  min-width: 0;
  height: 100%;
  min-height: 114px;
  padding: 10px;
  border-radius: 0;
}
.component-card-copy { padding: 10px 8px 10px 12px; gap: 4px; }
.component-card-copy strong { font-size: 13px; line-height: 1.3; white-space: normal; }
.component-card-copy small { font-size: 11.5px; line-height: 1.45; -webkit-line-clamp: 2; }
.component-card-meta { font-size: 10.5px; line-height: 1.35; }
.component-add-icon { align-self: center; justify-self: center; }
.filter-chip { min-height: 34px; font-size: 11.5px; }
.library-header p, .library-tip, .library-count { font-size: 12px; }
.library-tip p { font-size: 11.5px; }

@container (min-width: 420px) {
  .component-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .component-card {
    min-height: 178px;
    grid-template-columns: 1fr;
    grid-template-rows: 94px minmax(0, 1fr);
  }
  .component-card-visual {
    min-height: 94px;
    border-right: 0;
    border-bottom: 1px solid var(--md-outline-variant);
  }
  .component-card-copy { padding: 9px 10px 12px; }
  .component-add-icon { position: absolute; top: 8px; right: 8px; padding: 3px; border-radius: 50%; background: var(--md-surface-container-lowest); }
}

@media (max-width: 1040px) and (min-width: 801px) {
  .component-card { grid-template-columns: 84px minmax(0, 1fr) 26px; }
  .component-card-visual { min-height: 96px; }
}

@media (max-width: 470px) {
  .component-card {
    min-height: 170px;
    grid-template-columns: 1fr;
    grid-template-rows: 78px minmax(0, 1fr);
  }
  .component-card-visual { width: 100%; min-height: 78px; border-right: 0; border-bottom: 1px solid var(--md-outline-variant); }
  .component-card-copy { padding: 8px 9px 10px; }
  .component-card-copy strong { font-size: 12px; }
  .component-card-copy small { font-size: 10.5px; -webkit-line-clamp: 2; }
  .component-card-meta { font-size: 9.5px; }
  .component-add-icon { position: absolute; top: 6px; right: 6px; padding: 3px; border-radius: 50%; background: var(--md-surface-container-lowest); }
}