:root {
  color-scheme: light;
  --bg: #eef1f6;
  --surface: #ffffff;
  --surface-subtle: #f7f9fc;
  --surface-muted: #f1f4f9;
  --border: #d9e1ec;
  --border-strong: #c5d0df;
  --text: #132033;
  --text-muted: #607086;
  --accent: #1c6ee8;
  --accent-dark: #1557b8;
  --accent-soft: rgba(28, 110, 232, 0.1);
  --success: #0f9d58;
  --danger: #a23216;
  --shadow: 0 10px 30px rgba(18, 36, 61, 0.08);
  --sidebar-base: #0e1623;
  --sidebar-surface: linear-gradient(180deg, rgba(255, 255, 255, 0.06) 0%, rgba(255, 255, 255, 0.03) 100%);
  --sidebar-border: rgba(255, 255, 255, 0.08);
  --sidebar-text: #e8eef8;
  --sidebar-muted: rgba(232, 238, 248, 0.64);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #f8fafc 0%, var(--bg) 100%);
}

button,
input,
textarea,
select {
  font: inherit;
}

/* Global focus-visible ring for keyboard navigation */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.page-shell {
  display: grid;
  grid-template-columns: 224px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar,
.content {
  padding: 20px;
}

.sidebar {
  position: sticky;
  top: 0;
  align-self: start;
  min-height: 100vh;
  background: var(--sidebar-base);
  border-right: 1px solid rgba(14, 22, 35, 0.08);
}

.sidebar-inner {
  display: grid;
  gap: 16px;
  padding: 14px;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0.015) 100%);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.content {
  display: grid;
  align-content: start;
  gap: 14px;
  padding-left: 24px;
  padding-right: 24px;
}

.brand-block {
  display: grid;
  justify-items: center;
  gap: 10px;
  min-width: 0;
  text-align: center;
}

.brand-vertical {
  grid-template-columns: 1fr;
}

.brand-home-link {
  text-decoration: none;
  cursor: pointer;
  transition: opacity 0.18s ease;
}

.brand-home-link:hover {
  opacity: 0.8;
}

.brand-logo {
  width: 52px;
  height: 52px;
  object-fit: contain;
}

.app-logo {
  padding: 6px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.96);
}

h1,
h2,
h3,
p,
span,
strong {
  margin: 0;
}

h1 {
  color: var(--sidebar-text);
  font-size: 19px;
  letter-spacing: 0.01em;
}

h2 {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 15px;
}

.eyebrow {
  margin-bottom: 4px;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.muted,
.field-help,
.status-text,
.storyboard-meta span,
.run-item span,
.tag-subgroup strong,
.tool-form p,
.page-row-card small,
.storyboard-page-card small,
.mode-option p,
.ratio-row-header span {
  color: var(--text-muted);
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 18px;
  box-shadow: var(--shadow);
}

.module-nav-panel {
  background: var(--sidebar-surface);
  border-color: var(--sidebar-border);
  box-shadow: none;
}

.inset-panel {
  background: linear-gradient(180deg, #ffffff 0%, #fbfcfe 100%);
}

.module-guide {
  background: linear-gradient(180deg, #ffffff 0%, #fbfcfe 100%);
}

.compact-guide {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  align-items: center;
  gap: 14px;
  padding-top: 12px;
  padding-bottom: 12px;
}

.panel-header,
.inline-actions,
.generate-toolbar,
.form-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.panel-header-wrap {
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.small-header {
  align-items: flex-start;
}

.text-input,
textarea,
.script-table input,
select.text-input {
  width: 100%;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  border-radius: 12px;
  padding: 10px 12px;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.text-input:focus,
textarea:focus,
.script-table input:focus,
select.text-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(28, 110, 232, 0.12);
  background: #fff;
}

.field-label {
  display: block;
  margin-bottom: 8px;
  font-weight: 700;
}

.field-help,
.status-text {
  display: block;
  font-size: 13px;
}

.module-nav-list,
.storyboard-list,
.runs-list,
.tag-palette,
.tool-grid,
.settings-grid,
.stats-strip,
.storyboard-detail-grid,
.storyboard-page-strip,
.page-row-list,
.checkbox-stack,
.ratio-editor-list {
  display: grid;
  gap: 10px;
}

.module-nav-button {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  padding: 10px 12px;
  border: 1px solid transparent;
  border-radius: 14px;
  background: transparent;
  color: var(--sidebar-text);
  text-align: left;
  cursor: pointer;
  transition: background 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}

.module-nav-button strong {
  min-width: 0;
  font-size: 14px;
  font-weight: 600;
}

.module-nav-button:hover {
  background: rgba(255, 255, 255, 0.06);
}

.module-nav-button.is-active {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.08);
}

.module-step {
  display: inline-grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--sidebar-muted);
  font-size: 11px;
  font-weight: 700;
}

.module-nav-button.is-active .module-step {
  background: rgba(28, 110, 232, 0.18);
  color: #b9d3ff;
}

/* Sidebar settings link */
.sidebar-settings-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 10px;
  text-decoration: none;
  color: var(--sidebar-muted);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.18s, color 0.18s;
}

.sidebar-settings-link:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--sidebar-text);
}

.sidebar-settings-link.is-active {
  background: rgba(255, 255, 255, 0.1);
  color: var(--sidebar-text);
}

.sidebar-settings-icon {
  font-size: 16px;
  width: 20px;
  text-align: center;
}

.module-view {
  display: none;
  width: 100%;
}

.module-view.is-active {
  display: grid;
  gap: 12px;
}

.workspace-grid,
.workspace-grid-single,
.stable-grid {
  width: 100%;
}

.stats-strip {
  grid-template-columns: repeat(4, minmax(168px, 1fr));
}

.stat-card {
  display: grid;
  gap: 6px;
  min-height: 88px;
}

.stat-card strong {
  font-size: 24px;
}

.stat-label {
  color: var(--text-muted);
  font-size: 12px;
}

.emphasis-card {
  background: linear-gradient(180deg, #f5f9ff 0%, #ffffff 100%);
  border-color: rgba(28, 110, 232, 0.18);
}

.script-layout,
.generate-layout,
.storyboard-layout {
  display: grid;
  align-items: start;
  gap: 16px;
}

.script-layout {
  grid-template-columns: 1fr;
}

.generate-layout {
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(320px, 480px) 1fr;
  align-items: start;
}

.module-section,
.tool-form {
  display: grid;
  gap: 14px;
}

.module-actions {
  flex-wrap: wrap;
  justify-content: flex-end;
}

.fixed-detail-grid {
  grid-template-columns: 1fr;
}

.storyboard-page-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 8px 0;
}

.storyboard-page-card,
.storyboard-card,
.run-item {
  width: 100%;
  border: 1px solid var(--border);
  background: var(--surface-subtle);
  border-radius: 14px;
  padding: 12px;
  text-align: left;
  transition: border-color 0.18s ease, background 0.18s ease, transform 0.18s ease;
}

.storyboard-page-strip .storyboard-page-card {
  width: auto;
  min-width: 90px;
  border-radius: 999px;
  padding: 8px 18px;
  background: #fff;
  min-height: auto;
  font-weight: 500;
}

.storyboard-page-card:hover,
.storyboard-card:hover,
.run-item:hover {
  border-color: var(--border-strong);
  background: #fff;
  transform: translateY(-1px);
}

.storyboard-page-strip .storyboard-page-card:hover {
  border-color: var(--border-strong);
  background: #fff;
}

.storyboard-page-card.is-active,
.storyboard-card.is-selected,
.run-item.is-active,
.mode-option.is-selected {
  border-color: rgba(28, 110, 232, 0.24);
  background: var(--accent-soft);
}

.storyboard-page-strip .storyboard-page-card.is-active {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: rgba(28, 110, 232, 0.22);
}

.storyboard-page-card.has-act-color {
  background: var(--chip-color) !important;
  border-color: var(--chip-color) !important;
  color: #fff !important;
}

.storyboard-page-card.has-act-color.is-active {
  background: var(--chip-color) !important;
  border-color: var(--chip-color) !important;
  color: #fff !important;
  box-shadow: 0 0 0 2px #fff, 0 0 0 4px var(--chip-color);
}

.storyboard-library-grid {
  align-items: start;
}

.storyboard-library-row {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(156px, 172px);
  gap: 8px;
  overflow-x: auto;
  overflow-y: hidden;
  padding-bottom: 4px;
}

.storyboard-top-actions,
.storyboard-library-actions {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
}

.storyboard-top-actions .ghost-btn,
.storyboard-library-actions .ghost-btn {
  white-space: nowrap;
}

.ghost-btn.primary-ghost {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

.ghost-btn.primary-ghost:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
}

.storyboard-library-actions {
  justify-content: flex-end;
  gap: 10px;
}

.storyboard-library-actions .badge {
  margin-right: 4px;
}

.storyboard-library-panel .panel-header {
  align-items: center;
  flex-wrap: nowrap;
}

.storyboard-meta {
  width: 100%;
  text-align: center;
}

.storyboard-meta strong {
  display: -webkit-box;
  font-size: 13px;
  line-height: 1.35;
  writing-mode: horizontal-tb;
  white-space: normal;
  word-break: break-word;
  overflow-wrap: anywhere;
  overflow: hidden;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.storyboard-library-panel {
  max-height: none;
  overflow: visible;
}

.storyboard-library-strip {
  gap: 12px;
  padding: 14px;
}

.storyboard-card {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  align-items: start;
  justify-items: center;
  text-align: center;
}

.storyboard-check {
  position: absolute;
  top: 8px;
  left: 8px;
  margin: 0;
  z-index: 1;
}

.storyboard-card-compact {
  min-height: 0;
  padding: 8px;
}

.storyboard-cover {
  grid-column: 1 / -1;
  width: 100%;
  height: 88px;
  object-fit: contain;
  padding: 2px;
  border-radius: 10px;
  background: white;
  border: 1px solid var(--border);
}

.placeholder-cover {
  display: grid;
  place-items: center;
  font-size: 22px;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-soft);
}

.mode-option,
.storyboard-meta,
.tag-category,
.page-row-card,
.ratio-row {
  display: grid;
  gap: 8px;
}

.mode-option {
  grid-template-columns: auto 1fr;
  align-items: start;
  padding: 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--surface-subtle);
  cursor: pointer;
}

.mode-option input {
  margin-top: 4px;
}


.page-row-list {
  align-content: start;
}

.page-row-card {
  padding: 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--surface-subtle);
}

.page-row-header,
.ratio-row-header {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: baseline;
}

.page-row-card p {
  line-height: 1.5;
}

.ratio-row {
  padding: 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--surface-subtle);
}

.layout-editor-stage {
  border: 1px solid var(--border);
  border-radius: 16px;
  background: linear-gradient(180deg, #f7f9fc 0%, #eef3fb 100%);
  padding: 14px;
}

.layout-editor-canvas {
  position: relative;
  width: min(100%, 680px, calc(82vh * 1000 / 1414));
  aspect-ratio: 1000 / 1414;
  container-type: inline-size;
  margin: 0 auto;
  border-radius: 14px;
  border: 1.5px solid rgba(59, 130, 246, 0.55);  /* 裁切线 (Trim Line) — 成品书页边缘 */
  background: #ffffff;
  overflow: hidden;
  background-image:
    /* Grid lines */
    linear-gradient(rgba(28, 110, 232, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(28, 110, 232, 0.05) 1px, transparent 1px);
  background-size: calc(100% / 4) calc(100% / 6);
}

/* 出血框 (Bleed) — 最外侧, 3mm bleed = ~12 canvas units */
.layout-editor-canvas::before {
  content: "";
  position: absolute;
  top: 0.85%;       /* 12 / 1414 */
  left: 1.2%;        /* 12 / 1000 */
  right: 1.2%;
  bottom: 0.85%;
  border: 1px solid rgba(220, 38, 38, 0.3);
  pointer-events: none;
  z-index: 1;
}

/* 内框 (Safe Area) — 最内侧, B4 标准 180x270mm */
.layout-editor-canvas::after {
  content: "";
  position: absolute;
  top: 12.9%;        /* 183 / 1414 */
  left: 15%;          /* 150 / 1000 */
  right: 15%;
  bottom: 12.9%;
  border: 1px dashed rgba(59, 130, 246, 0.5);
  pointer-events: none;
  z-index: 1;
}

.layout-panel-rect {
  position: absolute;
  border: 2px solid rgba(17, 24, 39, 0.9);
  border-radius: 0;
  background: rgba(28, 110, 232, 0.06);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.6);
  cursor: move;
  z-index: 2; /* Panel layer */
}

.layout-panel-label {
  position: absolute;
  top: 6px;
  left: 8px;
  font-size: 11px;
  font-weight: 700;
  color: rgba(17, 24, 39, 0.7);
  z-index: 2;
}


/* Image wrapper for transforms - acts as clipping mask */
.layout-panel-image-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: auto; /* Allow events in image mode */
  z-index: 1; /* Below panel border */
}

/* Actual image element - can be transformed within wrapper */
.layout-panel-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  opacity: 0.85;
  transition: opacity 0.2s ease;
  pointer-events: none; /* Default: no interaction */
  z-index: 1;
  cursor: grab; /* Show grab cursor */
  /* Use clip-path to strictly clip to panel bounds */
  clip-path: inset(0 0 0 0);
}

/* Image mode - enable pointer events for interaction */
.layout-editor-canvas[data-mode="image"] .layout-panel-image {
  pointer-events: auto;
}

.layout-panel-image:active {
  cursor: grabbing;
}

.layout-panel-rect:hover .layout-panel-image {
  opacity: 1;
}

/* Image transform toolbar */
.image-transform-toolbar {
  position: absolute;
  top: 8px;
  right: 8px;
  display: flex;
  gap: 4px;
  padding: 6px 8px;
  background: rgba(30, 30, 30, 0.95);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  opacity: 0;
  transition: all 0.2s ease;
  pointer-events: auto;
  z-index: 100; /* Highest layer - always on top */
}

.layout-panel-rect:hover .image-transform-toolbar {
  opacity: 1;
}

.toolbar-btn {
  width: 28px;
  height: 28px;
  border: none;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.1);
  color: white;
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
  padding: 0;
}

.toolbar-btn:hover {
  background: rgba(28, 110, 232, 0.9);
  transform: scale(1.1);
}

.toolbar-btn:active {
  transform: scale(0.95);
}

/* Mode toolbar — tab-style switcher with contextual actions */
.mode-toolbar {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
  margin-bottom: 4px;
}

/* Horizontal mode toolbar — stacked rows, center-anchored */
.mode-toolbar-row {
  padding: 4px 0;
  margin-bottom: 4px;
}

.mode-toolbar-row .mode-action-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

.toolbar-cards-row {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 6px 0;
}

.toolbar-cards-row .storyboard-card {
  flex: 0 0 auto;
  width: auto;
  min-width: 90px;
}

.toolbar-divider {
  width: 60%;
  max-width: 480px;
  height: 1px;
  background: var(--border);
  margin: 6px 0;
}

.toolbar-actions {
  display: flex;
  gap: 6px;
  padding: 4px 0;
}

.mode-switcher {
  display: flex;
  gap: 4px;
  background: var(--surface-muted);
  border-radius: 14px;
  padding: 4px;
  margin: 0 auto 10px;
  width: fit-content;
}

.mode-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-muted);
  font-size: 13px;
  border-radius: 11px;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.mode-btn:hover {
  background: rgba(255, 255, 255, 0.7);
  color: var(--text);
}

.mode-btn.active {
  background: var(--surface);
  border-color: var(--border);
  color: var(--text);
  box-shadow: 0 2px 8px rgba(18, 36, 61, 0.08);
}

.mode-icon {
  font-size: 16px;
  line-height: 1;
}

.mode-label {
  font-weight: 700;
  font-size: 13px;
}

.mode-desc {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 400;
}

.mode-btn.active .mode-desc {
  color: var(--accent);
}

/* Visual feedback for different modes */
.layout-panel-rect {
  transition: box-shadow 0.2s ease;
}

/* Panel mode - highlight panel borders */
.layout-editor-canvas[data-mode="panel"] .layout-panel-rect:hover {
  box-shadow: 0 0 0 2px rgba(28, 110, 232, 0.4), inset 0 0 0 1px rgba(28, 110, 232, 0.2);
}

/* Image mode - highlight images */
.layout-editor-canvas[data-mode="image"] .layout-panel-image {
  outline: 2px dashed rgba(28, 110, 232, 0.6);
  outline-offset: -4px;
  cursor: grab;
}

.layout-editor-canvas[data-mode="image"] .layout-panel-image:active {
  cursor: grabbing;
}

.layout-panel-image-wrapper.selected {
  outline: 2px solid rgba(59, 130, 246, 0.9);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.18);
}

.layout-panel-image-wrapper.selected .layout-panel-image {
  cursor: grabbing;
}

.layout-editor-canvas[data-mode="image"] .layout-panel-image:hover {
  outline-style: solid;
  outline-color: rgba(28, 110, 232, 0.9);
}

/* Hide resize handle outside panel mode */
.layout-editor-canvas:not([data-mode="panel"]) .layout-resize-handle {
  display: none;
}

/* Hide image-only tools outside image mode */
.layout-editor-canvas:not([data-mode="image"]) .image-transform-toolbar,
.layout-editor-canvas:not([data-mode="image"]) .empty-panel-toolbar {
  display: none;
}

.layout-editor-canvas:not([data-mode="image"]) .layout-panel-image {
  opacity: 0.8;
  pointer-events: none;
}

/* Bubble mode - highlight bubbles (top layer) */
.layout-editor-canvas[data-mode="bubble"] .layout-text-bubble {
  box-shadow: 0 0 0 2px rgba(28, 110, 232, 0.4);
  cursor: move;
}

.layout-editor-canvas[data-mode="bubble"] .layout-text-bubble:hover {
  box-shadow: 0 0 0 3px rgba(28, 110, 232, 0.8);
}

/* Rerandom button overlay */
.layout-rerandom-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid white;
  background: rgba(28, 110, 232, 0.9);
  color: white;
  font-size: 14px;
  cursor: pointer;
  opacity: 0;
  transform: scale(0.8);
  transition: all 0.2s ease;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
}

.layout-panel-rect:hover .layout-rerandom-btn {
  opacity: 1;
  transform: scale(1);
}

.layout-rerandom-btn:hover {
  background: var(--accent);
  transform: scale(1.1);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.layout-resize-handle {
  position: absolute;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: none;
  background: var(--accent);
  box-shadow: 0 0 0 2px #fff;
  cursor: nwse-resize;
  z-index: 5;
}
.layout-resize-handle--br {
  right: 8px;
  bottom: 8px;
}
.layout-resize-handle--tl {
  left: 8px;
  top: 8px;
}

.layout-text-bubble {
  position: absolute;
  padding: 1.6cqw 2.2cqw; /* vertical=padY, horizontal=padX; proportional to canvas */
  border: 2px solid rgba(17, 24, 39, 0.85);
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 6px 16px rgba(18, 36, 61, 0.1);
  cursor: grab;
  overflow: visible; /* Changed to visible to prevent text clipping */
  z-index: 10; /* Top layer - above panels and images */
  transition: box-shadow 0.15s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
}

/* Ellipse bubble (default) - proper oval shape, no tail */
.layout-text-bubble.is-ellipse {
  border-radius: 50%;
  min-width: 6cqw;    /* ~60 norm units */
  min-height: 8cqw;   /* ~80 norm units */
  padding: 2cqw 2.6cqw; /* extra padding: ellipse arc cuts into rectangle corners */
}

/* Rectangle bubble (* prefix) - sharp corners, no tail */
.layout-text-bubble.is-rect {
  border-radius: 0;
  border-width: 2px;
  min-width: 4.5cqw;  /* ~45 norm units */
  min-height: 6.5cqw; /* ~65 norm units */
}

.layout-bubble-label {
  display: none;
}

.layout-text-bubble p {
  margin: 0;
  font-size: 1.45cqw; /* WYSIWYG: matches backend 44pt on 3035px B4 canvas (44/3035=1.45%) */
  line-height: 1.7; /* Slightly increased for better punctuation spacing */
  writing-mode: vertical-rl; /* Traditional Japanese vertical text */
  text-orientation: upright; /* Keep characters upright */
  letter-spacing: 0.08em; /* Increased for better readability */
  color: var(--text);
  white-space: normal;
  text-align: start;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  width: 100%;
  overflow-wrap: break-word;
  word-break: break-all;
  /* Fix punctuation positioning in vertical text */
  text-combine-upright: none; /* Don't combine characters */
  hanging-punctuation: none; /* Prevent punctuation from hanging outside */
}

.layout-editor-page-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.layout-editor-page-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  white-space: nowrap;
}

.layout-page-strip-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.layout-page-strip-inline .storyboard-page-card {
  padding: 7px 14px;
  font-size: 13px;
  min-width: auto;
  width: auto;
  flex-shrink: 0;
}

.layout-editor-actions {
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: wrap;
}

/* Mode action group visibility */
.mode-action-group[hidden] {
  display: none;
}

.mode-action-group:not([hidden]) {
  animation: modeActionsIn 0.2s ease;
}

@keyframes modeActionsIn {
  from { opacity: 0; transform: translateX(-8px); }
  to { opacity: 1; transform: translateX(0); }
}

.ratio-preview {
  display: flex;
  gap: 8px;
  min-height: 220px;
  align-items: stretch;
  padding: 12px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, #f8fafc 0%, #eef4fb 100%);
}

.ratio-preview-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  border: 1px solid rgba(28, 110, 232, 0.18);
  background: linear-gradient(180deg, rgba(28, 110, 232, 0.08) 0%, rgba(28, 110, 232, 0.18) 100%);
  color: var(--accent);
  font-weight: 700;
  min-width: 64px;
}

.tag-chip,
.primary-btn,
.ghost-btn,
.inline-add-row {
  border: 1px solid transparent;
  border-radius: 999px;
  cursor: pointer;
  transition: border-color 0.18s ease, background 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.tag-chip,
.ghost-btn {
  padding: 9px 14px;
  background: #fff;
  color: var(--text);
  border-color: var(--border);
}

.tag-chip:hover,
.ghost-btn:hover,
.inline-add-row:hover {
  border-color: var(--border-strong);
  transform: translateY(-1px);
}

.tag-chip:hover {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: rgba(28, 110, 232, 0.22);
}

.page-chip-bar {
  display: flex;
  align-items: center;
  gap: 6px;
}

.page-chip-bar .storyboard-page-card {
  padding: 7px 14px;
  font-size: 13px;
  min-width: auto;
  width: auto;
  flex-shrink: 0;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  font-weight: 500;
  cursor: pointer;
  transition: border-color 0.18s ease, background 0.18s ease, transform 0.18s ease;
}

.page-chip-bar .storyboard-page-card:hover {
  border-color: var(--border-strong);
  background: #fff;
  transform: translateY(-1px);
}

.page-chip-bar .storyboard-page-card.is-active {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: rgba(28, 110, 232, 0.22);
}

.page-chip-bar .storyboard-page-card.has-act-color {
  background: var(--chip-color) !important;
  border-color: var(--chip-color) !important;
  color: #fff !important;
}

.page-chip-bar .storyboard-page-card.has-act-color.is-active {
  background: var(--chip-color) !important;
  border-color: var(--chip-color) !important;
  color: #fff !important;
  box-shadow: 0 0 0 2px #fff, 0 0 0 4px var(--chip-color);
}

.page-chip-bar .page-chip-add {
  min-width: 42px;
  padding-left: 0;
  padding-right: 0;
  font-size: 20px;
  font-weight: 700;
  text-align: center;
}

.inline-add-row {
  display: grid;
  place-items: center;
  gap: 4px;
  min-height: 74px;
  border-radius: 16px;
  border: 2px dashed rgba(28, 110, 232, 0.28);
  background: rgba(28, 110, 232, 0.03);
  color: var(--accent);
}

.inline-add-row span {
  font-size: 28px;
  line-height: 1;
  color: var(--accent);
}

.primary-btn {
  min-width: 176px;
  padding: 11px 16px;
  background: linear-gradient(180deg, #2c7cf0 0%, #165fc7 100%);
  color: white;
  font-weight: 700;
  box-shadow: 0 8px 18px rgba(28, 110, 232, 0.2);
}

.primary-btn:hover {
  transform: translateY(-1px);
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  background: var(--surface-muted);
  color: var(--text);
  border: 1px solid var(--border);
  font-size: 12px;
  font-weight: 700;
}

.subtle-badge {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: rgba(28, 110, 232, 0.18);
}

.primary-btn:disabled,
.ghost-btn:disabled,
.tool-submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.table-wrap {
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: #fff;
}

.script-table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  background: #fff;
  table-layout: fixed;
}

.script-table thead th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: #f8fafc;
  color: var(--text-muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.script-table th:nth-child(1),
.script-table td:nth-child(1) {
  width: 280px;
}

.script-table th:nth-child(3),
.script-table td:nth-child(3) {
  width: 56px;
}

.script-table th,
.script-table td {
  padding: 10px 8px;
  border-bottom: 1px solid #edf1f6;
  vertical-align: top;
}

.script-table textarea {
  min-height: 60px;
  overflow: hidden;
  resize: none;
  line-height: 1.5;
}

.dialogue-cell {
  min-width: 300px;
}

.dialogue-bubbles {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.dialogue-bubble-row {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 8px;
  background: var(--surface-subtle);
  border-radius: 10px;
  border: 1px solid var(--border);
  transition: border-color 0.18s ease, background 0.18s ease;
}

.dialogue-bubble-row.is-rect {
  background: rgba(28, 110, 232, 0.08);
  border-color: rgba(28, 110, 232, 0.3);
}

.bubble-type-toggle {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: white;
  font-size: 16px;
  cursor: pointer;
  transition: all 0.18s ease;
}

.bubble-type-toggle:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.dialogue-bubble-row.is-rect .bubble-type-toggle {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

.dialogue-bubble-row .dialogue-input {
  flex: 1;
  min-height: 50px;
  border: none;
  background: transparent;
  padding: 4px;
}

.dialogue-bubble-row .dialogue-input:focus {
  background: white;
  border-radius: 6px;
  padding: 4px 8px;
}

.bubble-remove-btn {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  font-size: 16px;
  color: var(--danger);
}

.bubble-remove-btn:hover {
  background: var(--danger);
  color: white;
}

.add-bubble-btn {
  margin-top: 8px;
  width: 100%;
  padding: 8px;
  font-size: 12px;
  border-style: dashed;
}

.icon-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: #fff;
  cursor: pointer;
  transition: border-color 0.18s ease, background 0.18s ease;
}

.icon-btn:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.tag-cell {
  position: relative;
}

.tag-input {
  width: 100%;
  cursor: pointer;
}

/* Minimal Hotbox-style Tag Selector */
.tag-hotbox-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.75);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.15s ease, visibility 0.15s ease;
}

.tag-hotbox-overlay.is-visible {
  opacity: 1;
  visibility: visible;
}

/* Breadcrumb at top */
.tag-hotbox-breadcrumb {
  position: absolute;
  top: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 24px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(10px);
}

.tag-hotbox-breadcrumb-item {
  color: white;
  cursor: pointer;
  transition: opacity 0.18s ease;
}

.tag-hotbox-breadcrumb-item:hover {
  opacity: 0.7;
}

.tag-hotbox-breadcrumb-separator {
  color: rgba(255, 255, 255, 0.4);
}

.tag-hotbox-breadcrumb-current {
  color: var(--accent);
  font-weight: 600;
}

/* Center menu container */
.tag-hotbox-menu {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 16px;
  max-width: 800px;
  padding: 40px;
}

/* Menu items - minimal style */
.tag-hotbox-item {
  min-width: 100px;
  padding: 16px 24px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  color: white;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.12s ease;
  text-align: center;
  backdrop-filter: blur(10px);
}

.tag-hotbox-item:hover {
  background: var(--accent);
  border-color: var(--accent);
  transform: scale(1.08);
}

.tag-hotbox-item.is-leaf:hover {
  background: #0f9d58;
  border-color: #0f9d58;
}

/* Parent indicator */
.tag-hotbox-item.has-children::after {
  content: " ›";
  opacity: 0.6;
}

/* Current path indicator at bottom */
.tag-hotbox-path {
  position: absolute;
  bottom: 60px;
  left: 50%;
  transform: translateX(-50%);
  padding: 16px 32px;
  background: rgba(28, 110, 232, 0.2);
  border: 1px solid rgba(28, 110, 232, 0.4);
  border-radius: 999px;
  color: white;
  font-size: 16px;
  font-weight: 600;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.tag-hotbox-path.is-visible {
  opacity: 1;
}

/* Instructions */
.tag-hotbox-hint {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.4);
  font-size: 12px;
}

/* Empty state */
.tag-hotbox-empty {
  color: rgba(255, 255, 255, 0.5);
  font-size: 14px;
}

/* Animation */
@keyframes hotboxItemIn {
  from {
    opacity: 0;
    transform: scale(0.8) translateY(10px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.tag-hotbox-item {
  animation: hotboxItemIn 0.25s ease backwards;
}

.generate-panel {
  text-align: center;
}

.generate-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 32px 0 20px;
}

.generate-hero .primary-btn {
  min-width: 200px;
  font-size: 15px;
  padding: 12px 28px;
}

.generate-divider {
  width: 60%;
  max-width: 400px;
  height: 1px;
  background: var(--border);
  margin: 0 auto 20px;
}

.generate-runs {
  padding: 0 0 16px;
}

.generate-runs .eyebrow {
  margin-bottom: 12px;
}

.runs-folder-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.run-folder-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface-subtle);
  cursor: pointer;
  transition: all 0.18s ease;
  text-align: left;
  min-width: 220px;
}

.run-folder-item:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  transform: translateY(-1px);
}

.run-folder-item .folder-icon {
  font-size: 24px;
  flex-shrink: 0;
}

.run-folder-item strong {
  font-size: 13px;
}

.run-folder-item .folder-meta {
  font-size: 12px;
  color: var(--text-muted);
  margin-left: auto;
}

.run-folder-item.is-active {
  border-color: rgba(28, 110, 232, 0.4);
  background: var(--accent-soft);
}

.tool-form-grid,
.settings-grid {
  grid-template-columns: repeat(auto-fit, minmax(300px, 360px));
}

/* ── Settings page ── */
.settings-primary {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.settings-input-row {
  display: flex;
  gap: 10px;
  align-items: center;
}

.settings-input-row .text-input {
  flex: 1 1 auto;
  min-width: 0;
}

.settings-input-row .primary-btn {
  flex-shrink: 0;
}

.settings-browse-btn {
  flex-shrink: 0;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface-subtle);
  color: var(--text-muted);
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  transition: border-color 0.18s ease, color 0.18s ease, background 0.18s ease;
}

.settings-browse-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: #fff;
}

.field-hint {
  margin: 0;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.5;
}

.field-note {
  margin: 0;
  color: var(--text-muted);
  font-size: 12px;
}

.settings-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 4px 0;
}

.settings-save-row {
  display: flex;
  justify-content: flex-end;
  padding-top: 4px;
}

.tool-form {
  align-content: start;
}

.compact-form-row.two-col {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.check-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 12px;
  background: var(--surface-subtle);
  border: 1px solid var(--border);
}

.tool-result {
  min-height: 72px;
  padding: 12px;
  border-radius: 14px;
  border: 1px dashed var(--border-strong);
  background: var(--surface-subtle);
  color: var(--text-muted);
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
}

.tool-result.is-success {
  border-style: solid;
  border-color: rgba(15, 157, 88, 0.2);
  background: rgba(15, 157, 88, 0.08);
  color: #15623d;
}

/* Custom confirm modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2000;
  background: rgba(14, 22, 35, 0.6);
  backdrop-filter: blur(4px);
  display: grid;
  place-items: center;
}

.modal-overlay[hidden] {
  display: none;
}

.modal-dialog {
  background: var(--surface);
  border-radius: 18px;
  padding: 28px 32px;
  min-width: 360px;
  max-width: 480px;
  box-shadow: 0 20px 60px rgba(14, 22, 35, 0.25);
  display: grid;
  gap: 16px;
}

.modal-dialog h3 {
  font-size: 17px;
  font-weight: 700;
}

.modal-dialog p {
  color: var(--text-muted);
  line-height: 1.6;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  padding-top: 8px;
}

.tool-result.is-error {
  border-style: solid;
  border-color: rgba(162, 50, 22, 0.2);
  background: rgba(162, 50, 22, 0.08);
  color: var(--danger);
}

@media (max-width: 1320px) {
  .stats-strip {
    grid-template-columns: repeat(2, minmax(168px, 1fr));
  }

  .script-layout,
  .generate-layout,
  .fixed-detail-grid {
    grid-template-columns: 1fr;
  }

  .storyboard-top-actions,
  .storyboard-library-actions,
  .storyboard-library-panel .panel-header {
    flex-wrap: wrap;
  }

  .storyboard-library-row {
    grid-auto-flow: row;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    overflow: visible;
  }

  .workspace-side-panel,
  .tag-palette-panel {
    max-height: none;
  }
}

@media (max-width: 980px) {
  .page-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    min-height: auto;
    border-right: none;
    padding-bottom: 10px;
  }

  .compact-guide {
    grid-template-columns: 1fr;
  }

  .content {
    padding-top: 10px;
  }
}

@media (max-width: 720px) {
  .sidebar,
  .content {
    padding: 14px;
  }

  .mode-btn {
    flex: 1;
    min-width: 0;
    padding: 8px 14px;
  }

  .module-actions,
  .generate-toolbar,
  .panel-header,
  .inline-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .tool-form-grid,
  .settings-grid,
  .compact-form-row.two-col,
  .stats-strip,
  .storyboard-library-grid {
    grid-template-columns: 1fr;
  }

  .script-table {
    min-width: 620px;
  }

  .primary-btn {
    width: 100%;
    min-width: 0;
  }
}

/* ═══════════════════════════════════════════════════════
   BeatBoard (01 节拍器)
   ═══════════════════════════════════════════════════════ */

.beatboard-section {
  padding: 16px;
}

.beatboard-section .panel-header {
  margin-bottom: 6px;
}

.beatboard-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 360px));
  gap: 16px;
  min-height: 340px;
}

.beatboard-col {
  background: var(--surface-subtle);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.beatboard-col-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 6px;
}

.beatboard-col-actions {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
}

.beatboard-col-drag {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: grab;
  font-size: 16px;
  line-height: 1;
  padding: 0 4px;
  flex-shrink: 0;
}

.beatboard-col-drag:hover {
  color: var(--accent);
}

.beatboard-col.dragging {
  opacity: 0.72;
}

.beatboard-col.drag-over-before {
  position: relative;
  background: var(--accent-soft);
  border-color: rgba(28, 110, 232, 0.38);
}

.beatboard-col.drag-over-before::before {
  content: "";
  position: absolute;
  left: 10px;
  right: 10px;
  top: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--accent);
  opacity: 0.26;
  pointer-events: none;
}

.beatboard-col.drag-over-after {
  position: relative;
  background: var(--accent-soft);
  border-color: rgba(28, 110, 232, 0.38);
}

.beatboard-col.drag-over-after::after {
  content: "";
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--accent);
  opacity: 0.26;
  pointer-events: none;
}

.beatboard-col-title {
  background: transparent;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 700;
  font-size: 15px;
  width: 100%;
  padding: 4px 6px;
  color: var(--text);
  transition: border-color 0.18s;
}

.beatboard-col-title:focus {
  outline: none;
  border-color: var(--accent);
  background: #fff;
}

.beatboard-col-del {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
  padding: 0 4px;
  flex-shrink: 0;
}

.beatboard-col-del:hover {
  color: #e53935;
}

.beatboard-card-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 60px;
}

.beatboard-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
  cursor: grab;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
  transition: box-shadow 0.18s, border-color 0.18s;
}

.beatboard-card:hover {
  border-color: var(--accent);
  box-shadow: 0 2px 8px rgba(28,110,232,0.1);
}

.beatboard-card.dragging {
  opacity: 0.5;
}

.beatboard-card.drag-over {
  border-color: var(--accent);
  border-style: dashed;
  background: var(--accent-soft);
}

.beatboard-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}

.beatboard-card-title {
  border: none;
  background: transparent;
  font-weight: 600;
  font-size: 14px;
  width: 85%;
  color: var(--text);
  padding: 2px 0;
}

.beatboard-card-title:focus {
  outline: none;
}

.beatboard-card-del {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
  padding: 0 2px;
  flex-shrink: 0;
}

.beatboard-card-del:hover {
  color: #e53935;
}

.beatboard-card-content {
  width: 100%;
  border: 1px solid transparent;
  border-radius: 4px;
  background: transparent;
  resize: vertical;
  font-size: 13px;
  min-height: 52px;
  color: var(--text-muted);
  font-family: inherit;
  padding: 4px;
  transition: border-color 0.18s;
  line-height: 1.5;
}

.beatboard-card-content:focus {
  outline: none;
  border-color: var(--border);
  background: var(--surface-subtle);
}

.beatboard-add-col-card {
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 8px;
  width: 100%;
  min-height: 240px;
  border-radius: 12px;
  border: 2px dashed var(--border-strong);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: border-color 0.18s ease, color 0.18s ease, background 0.18s ease;
}

.beatboard-add-col-card:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

.beatboard-add-col-card.drag-over {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

.beatboard-add-col-plus {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--border);
  font-size: 22px;
  color: var(--text);
}

.beatboard-add-col-card strong {
  font-size: 14px;
  color: var(--text);
}

.beatboard-add-card-btn {
  width: 100%;
  background: #fff;
  color: var(--text-muted);
  border: 2px dashed var(--border);
  padding: 8px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
  transition: all 0.2s;
}

.beatboard-add-card-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

/* BeatBoard page chips */
.bb-page-row {
  display: flex;
  align-items: center;
  gap: 4px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 4px;
}

.bb-page-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-right: 2px;
}

.bb-page-chips {
  display: flex;
  gap: 3px;
  flex-wrap: wrap;
  flex: 1;
  align-items: center;
}

.bb-page-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  color: #fff;
  font-size: 10px;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid;
  transition: opacity 0.15s;
}

.bb-page-chip:hover {
  opacity: 0.7;
}

.bb-page-none {
  font-size: 11px;
  color: var(--text-muted);
}

.bb-page-btn {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  line-height: 1;
  transition: all 0.15s;
}

.bb-page-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.bb-page-btn-del {
  font-size: 18px;
  font-weight: 700;
}

.bb-color-input {
  width: 24px;
  height: 24px;
  border: 1px solid var(--border);
  border-radius: 50%;
  padding: 1px;
  cursor: pointer;
  background: none;
}

.bb-color-input::-webkit-color-swatch-wrapper {
  padding: 0;
}

.bb-color-input::-webkit-color-swatch {
  border-radius: 50%;
  border: none;
}

/* ═══════════════════════════════════════════════════════
   Character Atlas (06 角色关系图)
   ═══════════════════════════════════════════════════════ */

.atlas-section {
  padding: 0;
  overflow: hidden;
}

.atlas-container {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 160px);
  min-height: 560px;
  max-height: none;
  border-radius: 12px;
  overflow: hidden;
}

/* ── Two-level selector bar ── */
.atlas-selector {
  flex-shrink: 0;
  padding: 8px 16px;
  background: var(--surface-subtle);
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* Parent row: category pills */
.atlas-cat-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.atlas-cat-pill {
  padding: 5px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.18s;
  user-select: none;
}

.atlas-cat-pill:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

.atlas-cat-pill.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* Child row: item pills */
.atlas-item-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  padding-left: 2px;
}

.atlas-item-pill {
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text-muted);
  font-size: 11px;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.18s;
  user-select: none;
}

.atlas-item-pill:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

.atlas-item-pill.active {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: rgba(28, 110, 232, 0.3);
  font-weight: 600;
}

.atlas-graph-header {
  padding: 10px 18px 6px;
  flex-shrink: 0;
}

.atlas-graph-title {
  margin: 0 0 2px 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
}

.atlas-graph-desc {
  margin: 0;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.4;
}

.atlas-map-wrapper {
  flex: 1;
  overflow: hidden;
  position: relative;
  background: #fafbfc;
}

.atlas-svg {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
}

.atlas-controls {
  position: absolute;
  bottom: 10px;
  right: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.atlas-reset-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 16px;
  transition: all 0.2s;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.atlas-reset-btn:hover {
  background: var(--surface-muted);
  border-color: var(--accent);
}

.atlas-tip {
  font-size: 11px;
  color: var(--text-muted);
  background: rgba(255,255,255,0.9);
  padding: 4px 8px;
  border-radius: 4px;
  pointer-events: none;
}

.atlas-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--text-muted);
  font-size: 15px;
}

/* Atlas SVG elements */
.atlas-node-circle {
  cursor: grab;
  transition: transform 0.15s ease;
  transform-origin: center;
  transform-box: fill-box;
}

.atlas-node-circle:hover {
  filter: brightness(0.9);
}

.atlas-node-label {
  font-size: 12px;
  fill: var(--text);
  pointer-events: none;
  font-weight: 600;
  text-anchor: middle;
  dominant-baseline: central;
  paint-order: stroke;
  stroke: #fff;
  stroke-width: 3px;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.atlas-link-label {
  font-size: 10px;
  fill: var(--text-muted);
  text-anchor: middle;
  dominant-baseline: central;
  paint-order: stroke;
  stroke: #fff;
  stroke-width: 3px;
  stroke-linecap: round;
  stroke-linejoin: round;
}

@media (max-width: 768px) {
  .atlas-container {
    height: auto;
  }
  .atlas-selector {
    padding: 8px 10px;
    gap: 4px;
  }
  .atlas-map-wrapper {
    height: 420px;
  }
}

/* ── 产品说明 (Settings 内嵌) ── */

.manual-section h3 {
  font-size: 20px;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 28px auto 10px;
  padding: 0;
  border: none;
  text-align: center;
}

.manual-section {
  width: 100%;
}

.manual-section.workspace-grid-single > * {
  width: min(960px, 100%);
  margin-left: auto;
  margin-right: auto;
}

.manual-section.workspace-grid-single > h3 {
  width: min(72ch, 100%);
}

.manual-step-head,
.manual-step-text,
.manual-faq,
.manual-footer {
  width: min(72ch, 100%);
  margin-left: auto;
  margin-right: auto;
}

.manual-hero {
  position: relative;
  overflow: hidden;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--surface);
}

.manual-hero-img {
  width: 100%;
  height: 170px;
  object-fit: cover;
  display: block;
  filter: saturate(1.05) contrast(1.05);
}

.manual-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(14, 22, 35, 0.72) 0%, rgba(14, 22, 35, 0.24) 70%, rgba(14, 22, 35, 0.08) 100%);
}

.manual-hero-content {
  position: absolute;
  inset: 0;
  padding: 18px;
  display: grid;
  align-content: center;
  gap: 8px;
  color: #fff;
}

.manual-hero-content h3 {
  margin: 0;
  padding: 0;
  border: none;
  font-size: 20px;
  letter-spacing: -0.01em;
}

.manual-hero-content .manual-tagline {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.86);
}

.manual-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--surface-subtle);
}

.manual-flow-item {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  font-size: 13px;
  font-weight: 700;
}

.manual-flow-arrow {
  color: var(--text-muted);
  font-weight: 700;
}

.manual-step-cards {
  display: grid;
  gap: 0;
  margin-top: 12px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
  overflow: hidden;
}

.manual-step-card {
  border: none;
  border-top: 1px solid var(--border);
  border-radius: 0;
  padding: 16px;
  background: transparent;
}

.manual-step-card:first-child {
  border-top: none;
}

.manual-step-head {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.manual-step-head strong {
  display: block;
  font-size: 16px;
  line-height: 1.3;
}

.manual-step-head .field-note {
  margin-top: 4px;
}

.manual-step-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin-top: 12px;
  align-items: start;
}

.manual-example {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin-top: 12px;
  align-items: start;
}

.manual-principles {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin-top: 12px;
  align-items: start;
}

.manual-principles-text,
.manual-example-text {
  display: grid;
  gap: 14px;
  max-width: 72ch;
  margin: 0 auto;
}

.manual-principle-block {
  display: grid;
  gap: 10px;
}

.manual-principle-block + .manual-principle-block {
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

.manual-principle-lead {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
}

.manual-principle-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-muted);
}

.manual-principle-text strong {
  color: rgba(19, 32, 51, 0.78);
  font-weight: 650;
}

.manual-section .field-note {
  font-size: 13px;
  line-height: 1.7;
}

.manual-section .manual-list {
  font-size: 14px;
}

.manual-example {
  padding: 12px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--surface-subtle);
}

.manual-list {
  margin: 8px 0 0 18px;
  padding: 0;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.7;
}

.manual-code {
  margin: 8px 0 0;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px dashed var(--border-strong);
  background: var(--surface-subtle);
  color: var(--text);
  font-size: 12px;
  line-height: 1.6;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  overflow: auto;
}

.manual-figure {
  margin: 0;
  padding: 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--surface);
  display: grid;
  gap: 10px;
}

.manual-figure-badge {
  width: fit-content;
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
}

.manual-figure-mock {
  display: grid;
  gap: 8px;
}

.manual-mock-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface-subtle);
}

.manual-mock-label {
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.manual-mock-pill {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #fff;
  font-size: 12px;
  color: var(--text);
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
}

.manual-mock-btn {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: 12px;
  border: 1px solid rgba(28, 110, 232, 0.26);
  background: rgba(28, 110, 232, 0.12);
  color: var(--accent-dark);
  font-weight: 800;
  font-size: 12px;
}

.manual-mock-table {
  padding: 0;
  overflow: hidden;
}

.manual-mock-table-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  padding: 10px 12px;
  background: var(--surface-subtle);
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 800;
  border-bottom: 1px solid var(--border);
}

.manual-mock-table-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}

.manual-mock-table-row:last-child {
  border-bottom: none;
}

.manual-covers {
  display: flex;
  gap: 10px;
  align-items: center;
}

.manual-cover {
  width: 96px;
  height: 128px;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface-subtle);
}

.manual-faq {
  display: grid;
  gap: 10px;
}

.manual-faq-card,
.manual-qa {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px;
  background: var(--surface-subtle);
}

.manual-q,
.manual-a {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
}

.manual-q {
  color: var(--text);
  font-weight: 700;
}

.manual-a {
  color: var(--text-muted);
  margin-top: 6px;
}

.manual-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.manual-table-wrap {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.manual-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  min-width: 520px;
}

.manual-table th,
.manual-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.manual-table th {
  background: var(--surface-subtle);
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.manual-table td:first-child {
  color: var(--text-muted);
}

.manual-step-num {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
  font-size: 12px;
  flex-shrink: 0;
}

.manual-tagline {
  font-size: 16px;
  line-height: 1.8;
  margin: 0 0 20px;
}

.manual-footer {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 15px;
  line-height: 1.8;
}

@media (max-width: 720px) {
  .manual-hero-img {
    height: 150px;
  }

  .manual-step-body {
    grid-template-columns: 1fr;
  }

  .manual-principles,
  .manual-example {
    grid-template-columns: 1fr;
  }

  .manual-covers {
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .manual-grid-2 {
    grid-template-columns: 1fr;
  }

  .manual-tagline {
    font-size: 14px;
  }
}