/* ========================================
   808漫剧AIGC - 样式系统
   桌面应用风格 / 浅色主题 / 番茄红强调
   ======================================== */

:root {
  /* 主色调 */
  --primary: #E63946;
  --primary-light: #FF6B6B;
  --primary-dark: #C92A38;
  --primary-bg: #FFF5F5;
  --primary-border: #FFCCCC;

  /* 中性色 */
  --sidebar-bg: #1E1E2E;
  --sidebar-hover: #2D2D3F;
  --sidebar-text: #A0A0B8;
  --sidebar-active-text: #FFFFFF;
  --content-bg: #F5F5F7;
  --card-bg: #FFFFFF;
  --text-primary: #2D2D2D;
  --text-secondary: #6B6B6B;
  --text-tertiary: #9B9B9B;
  --border: #E5E5E5;
  --border-light: #F0F0F0;

  /* 功能色 */
  --success: #00B894;
  --success-bg: #E8F8F5;
  --warning: #FDCB6E;
  --warning-bg: #FFF8E5;
  --danger: #E74C3C;
  --danger-bg: #FDEDEC;
  --info: #3498DB;
  --info-bg: #EBF5FB;

  /* 阴影 */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-lg: 0 4px 16px rgba(0,0,0,0.12);

  /* 圆角 */
  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 12px;

  /* 字号 */
  --font-xs: 11px;
  --font-sm: 13px;
  --font-base: 14px;
  --font-md: 15px;
  --font-lg: 17px;
  --font-xl: 20px;
  --font-2xl: 24px;
}

/* ========== Reset ========== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  height: 100%;
  overflow: hidden;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
               "Microsoft YaHei", "Helvetica Neue", sans-serif;
  font-size: var(--font-base);
  color: var(--text-primary);
  background: var(--content-bg);
  -webkit-font-smoothing: antialiased;
}

/* ========== App Layout ========== */
.app {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

/* ========== Top Bar ========== */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
  background: var(--sidebar-bg);
  padding: 0 20px;
  flex-shrink: 0;
  -webkit-app-region: drag;
}

.topbar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-size: var(--font-lg);
  font-weight: 700;
}

.topbar-logo .logo-icon {
  width: 28px;
  height: 28px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

.topbar-progress {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--sidebar-text);
  font-size: var(--font-sm);
}

.topbar-progress-bar {
  width: 120px;
  height: 6px;
  background: rgba(255,255,255,0.15);
  border-radius: 3px;
  overflow: hidden;
}

.topbar-progress-fill {
  height: 100%;
  background: var(--primary);
  border-radius: 3px;
  transition: width 0.4s ease;
}

.topbar-actions {
  display: flex;
  gap: 8px;
}

.btn-export {
  background: var(--primary);
  color: #fff;
  border: none;
  padding: 6px 16px;
  border-radius: var(--radius-sm);
  font-size: var(--font-sm);
  cursor: pointer;
  transition: background 0.2s;
  display: flex;
  align-items: center;
  gap: 6px;
}

.btn-export:hover {
  background: var(--primary-dark);
}

.btn-reset {
  background: transparent;
  color: var(--sidebar-text);
  border: 1px solid rgba(255,255,255,0.2);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: var(--font-sm);
  cursor: pointer;
  transition: all 0.2s;
}

.btn-reset:hover {
  background: rgba(255,255,255,0.1);
  color: #fff;
}

/* ========== Main Layout ========== */
.main {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* ========== Sidebar ========== */
.sidebar {
  width: 220px;
  background: var(--sidebar-bg);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  overflow-y: auto;
}

.sidebar-section {
  padding: 16px 0 8px;
}

.sidebar-label {
  font-size: var(--font-xs);
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 0 20px 8px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  color: var(--sidebar-text);
  cursor: pointer;
  transition: all 0.2s;
  font-size: var(--font-base);
  border-left: 3px solid transparent;
}

.nav-item:hover {
  background: var(--sidebar-hover);
  color: var(--sidebar-active-text);
}

.nav-item.active {
  background: var(--sidebar-hover);
  color: var(--sidebar-active-text);
  border-left-color: var(--primary);
  font-weight: 600;
}

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

.sidebar-progress {
  margin-top: auto;
  padding: 16px 20px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.sidebar-progress-title {
  color: var(--sidebar-text);
  font-size: var(--font-sm);
  margin-bottom: 8px;
}

.sidebar-progress-bar {
  height: 6px;
  background: rgba(255,255,255,0.1);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 6px;
}

.sidebar-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  border-radius: 3px;
  transition: width 0.4s ease;
}

.sidebar-progress-text {
  color: var(--text-tertiary);
  font-size: var(--font-xs);
}

/* ========== Content Area ========== */
.content {
  flex: 1;
  overflow-y: auto;
  padding: 24px 32px;
}

.module {
  display: none;
}

.module.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ========== Roadmap Module ========== */
.roadmap-header {
  margin-bottom: 24px;
}

.roadmap-title {
  font-size: var(--font-2xl);
  font-weight: 700;
  margin-bottom: 6px;
}

.roadmap-subtitle {
  color: var(--text-secondary);
  font-size: var(--font-md);
}

/* Stage Flow */
.stage-flow {
  display: flex;
  gap: 4px;
  margin-bottom: 28px;
  overflow-x: auto;
  padding-bottom: 8px;
}

.stage-card {
  flex: 1;
  min-width: 140px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
}

.stage-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow);
}

.stage-card.current {
  border-color: var(--primary);
  background: var(--primary-bg);
}

.stage-card.completed {
  border-color: var(--success);
}

.stage-card-number {
  font-size: var(--font-xs);
  color: var(--text-tertiary);
  margin-bottom: 4px;
}

.stage-card-title {
  font-size: var(--font-sm);
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.3;
}

.stage-card-nodes {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stage-node-pill {
  font-size: var(--font-xs);
  padding: 3px 8px;
  border-radius: 10px;
  background: var(--border-light);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  transition: all 0.2s;
}

.stage-node-pill:hover {
  background: var(--primary-bg);
  color: var(--primary);
}

.stage-node-pill.active {
  background: var(--primary);
  color: #fff;
}

.stage-node-pill.completed {
  background: var(--success-bg);
  color: var(--success);
}

.stage-node-pill .node-num {
  font-weight: 700;
}

/* Node Detail */
.node-detail {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.node-detail-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.node-detail-header h2 {
  font-size: var(--font-xl);
  font-weight: 700;
}

.node-type-tag {
  font-size: var(--font-xs);
  padding: 3px 10px;
  border-radius: 10px;
  font-weight: 600;
}

.node-type-tag.choice {
  background: var(--info-bg);
  color: var(--info);
}

.node-type-tag.discussion {
  background: var(--warning-bg);
  color: #B8860B;
}

.node-task {
  padding: 12px 24px;
  background: var(--primary-bg);
  color: var(--primary-dark);
  font-size: var(--font-md);
  display: flex;
  align-items: center;
  gap: 8px;
}

.node-body {
  padding: 20px 24px;
}

/* Choice Options */
.options-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.option-card {
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
}

.option-card:hover {
  border-color: var(--primary-light);
  box-shadow: var(--shadow);
}

.option-card.selected {
  border-color: var(--primary);
  background: var(--primary-bg);
}

.option-card.selected::after {
  content: '✓';
  position: absolute;
  top: 8px;
  right: 12px;
  color: var(--primary);
  font-size: 20px;
  font-weight: 700;
}

.option-label {
  font-size: var(--font-lg);
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--primary);
}

.option-field {
  margin-bottom: 10px;
}

.option-field-label {
  font-size: var(--font-xs);
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 3px;
}

.option-field-value {
  font-size: var(--font-sm);
  color: var(--text-primary);
  line-height: 1.5;
}

.option-difficulty {
  margin-top: 8px;
  font-size: var(--font-sm);
}

.star {
  color: var(--warning);
}

.star-dim {
  color: var(--border);
}

/* Discussion Node */
.discussion-analysis {
  background: var(--info-bg);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 16px;
}

.discussion-analysis h4 {
  color: var(--info);
  font-size: var(--font-base);
  margin-bottom: 8px;
}

.discussion-analysis p {
  font-size: var(--font-sm);
  color: var(--text-primary);
  line-height: 1.6;
}

.discussion-suggestions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.suggestion-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}

.suggestion-card h4 {
  color: var(--primary);
  font-size: var(--font-md);
  margin-bottom: 6px;
}

.suggestion-card p {
  font-size: var(--font-sm);
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Recommendation Box */
.recommendation-box {
  margin-top: 20px;
  padding: 16px;
  background: linear-gradient(135deg, var(--primary-bg), #FFF);
  border: 1px solid var(--primary-border);
  border-radius: var(--radius);
}

.recommendation-box h4 {
  color: var(--primary);
  font-size: var(--font-md);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.recommendation-box p {
  font-size: var(--font-sm);
  color: var(--text-primary);
  line-height: 1.6;
}

/* Node Navigation */
.node-nav {
  display: flex;
  justify-content: space-between;
  padding: 16px 24px;
  border-top: 1px solid var(--border-light);
  background: var(--border-light);
}

.btn-nav {
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  font-size: var(--font-sm);
  cursor: pointer;
  transition: all 0.2s;
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--text-primary);
}

.btn-nav:hover:not(:disabled) {
  border-color: var(--primary);
  color: var(--primary);
}

.btn-nav:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-nav.primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.btn-nav.primary:hover:not(:disabled) {
  background: var(--primary-dark);
}

/* ========== Teardown Module ========== */
.teardown-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 20px;
  border-bottom: 2px solid var(--border);
  overflow-x: auto;
}

.teardown-tab {
  padding: 10px 16px;
  font-size: var(--font-sm);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  color: var(--text-secondary);
  transition: all 0.2s;
  white-space: nowrap;
}

.teardown-tab:hover {
  color: var(--primary);
}

.teardown-tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  font-weight: 600;
}

.teardown-content {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.teardown-table-header {
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-light);
}

.teardown-table-header h3 {
  font-size: var(--font-lg);
  font-weight: 700;
}

.teardown-table-header p {
  font-size: var(--font-xs);
  color: var(--text-tertiary);
  margin-top: 2px;
}

.btn-add-row {
  background: var(--success-bg);
  color: var(--success);
  border: 1px solid var(--success);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: var(--font-sm);
  cursor: pointer;
  transition: all 0.2s;
}

.btn-add-row:hover {
  background: var(--success);
  color: #fff;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th {
  background: var(--border-light);
  padding: 10px 12px;
  text-align: left;
  font-size: var(--font-xs);
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border);
}

.data-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-light);
}

.data-table input,
.data-table textarea {
  width: 100%;
  border: 1px solid transparent;
  background: transparent;
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  font-size: var(--font-sm);
  font-family: inherit;
  color: var(--text-primary);
  transition: all 0.2s;
}

.data-table input:focus,
.data-table textarea:focus {
  outline: none;
  border-color: var(--primary);
  background: var(--card-bg);
}

.data-table .row-actions {
  width: 50px;
  text-align: center;
}

.btn-del-row {
  background: transparent;
  border: none;
  color: var(--danger);
  cursor: pointer;
  font-size: 16px;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
}

.btn-del-row:hover {
  background: var(--danger-bg);
}

.empty-state {
  padding: 40px 20px;
  text-align: center;
  color: var(--text-tertiary);
}

.empty-state p {
  font-size: var(--font-md);
  margin-bottom: 12px;
}

/* ========== Remix Module ========== */
.remix-steps {
  display: flex;
  gap: 0;
  margin-bottom: 24px;
}

.remix-step {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-bottom: 2px solid var(--border);
  color: var(--text-tertiary);
  font-size: var(--font-sm);
  cursor: pointer;
  transition: all 0.2s;
}

.remix-step.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  font-weight: 600;
}

.remix-step.completed {
  color: var(--success);
  border-bottom-color: var(--success);
}

.step-number {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--border);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-xs);
  font-weight: 700;
  flex-shrink: 0;
}

.remix-step.active .step-number {
  background: var(--primary);
}

.remix-step.completed .step-number {
  background: var(--success);
}

.remix-content {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 24px;
}

.remix-step-title {
  font-size: var(--font-xl);
  font-weight: 700;
  margin-bottom: 8px;
}

.remix-step-desc {
  color: var(--text-secondary);
  font-size: var(--font-md);
  margin-bottom: 20px;
}

.remix-input-group {
  margin-bottom: 16px;
}

.remix-input-label {
  font-size: var(--font-sm);
  font-weight: 600;
  margin-bottom: 6px;
  display: block;
}

.remix-textarea {
  width: 100%;
  min-height: 100px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
  font-size: var(--font-sm);
  font-family: inherit;
  resize: vertical;
  transition: border 0.2s;
}

.remix-textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.remix-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border-light);
}

/* Checklist */
.checklist {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s;
}

.checklist-item:hover {
  border-color: var(--primary-light);
}

.checklist-item.checked {
  background: var(--success-bg);
  border-color: var(--success);
}

.checklist-checkbox {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-radius: 4px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  margin-top: 1px;
}

.checklist-item.checked .checklist-checkbox {
  background: var(--success);
  border-color: var(--success);
  color: #fff;
}

.checklist-text {
  font-size: var(--font-sm);
  line-height: 1.5;
}

/* Direction Cards (Remix Step 2) */
.direction-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}

.direction-card {
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  cursor: pointer;
  transition: all 0.2s;
}

.direction-card:hover {
  border-color: var(--primary-light);
  box-shadow: var(--shadow);
}

.direction-card.selected {
  border-color: var(--primary);
  background: var(--primary-bg);
}

.direction-card h4 {
  font-size: var(--font-md);
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--primary);
}

.direction-card p {
  font-size: var(--font-sm);
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Comparison Table */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 16px;
}

.comparison-table th {
  background: var(--sidebar-bg);
  color: #fff;
  padding: 12px;
  text-align: left;
  font-size: var(--font-sm);
}

.comparison-table th:first-child {
  width: 25%;
}

.comparison-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border-light);
  font-size: var(--font-sm);
  vertical-align: top;
}

.comparison-table tr:nth-child(even) td {
  background: var(--border-light);
}

/* Save Indicator */
.save-indicator {
  position: fixed;
  bottom: 16px;
  right: 16px;
  background: var(--success);
  color: #fff;
  padding: 8px 16px;
  border-radius: var(--radius);
  font-size: var(--font-sm);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.3s;
  z-index: 1000;
}

.save-indicator.show {
  opacity: 1;
  transform: translateY(0);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(0,0,0,0.15);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(0,0,0,0.25);
}

.sidebar::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.15);
}

/* ========== Instruction Module ========== */
.ins-overview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

.ins-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 20px;
}

.ins-card-full {
  grid-column: 1 / -1;
}

.ins-card h3 {
  font-size: var(--font-lg);
  font-weight: 700;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.ins-score-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  padding: 3px 12px;
  border-radius: 12px;
  font-size: var(--font-xs);
  font-weight: 700;
  margin-left: 8px;
}

.ins-feature-list {
  list-style: none;
  padding: 0;
}

.ins-feature-list li {
  padding: 6px 0;
  font-size: var(--font-sm);
  color: var(--text-primary);
  display: flex;
  align-items: flex-start;
  gap: 8px;
  line-height: 1.5;
}

.ins-feature-list li::before {
  content: '✦';
  color: var(--primary);
  font-size: 12px;
  margin-top: 2px;
  flex-shrink: 0;
}

/* Tutorial Section */
.ins-tutorial {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 20px;
  margin-bottom: 20px;
}

.ins-tutorial h3 {
  font-size: var(--font-lg);
  font-weight: 700;
  margin-bottom: 16px;
}

.tutorial-step {
  display: flex;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-light);
}

.tutorial-step:last-child {
  border-bottom: none;
}

.tutorial-step-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-sm);
  font-weight: 700;
  flex-shrink: 0;
}

.tutorial-step-body h4 {
  font-size: var(--font-base);
  font-weight: 600;
  margin-bottom: 4px;
}

.tutorial-step-body p {
  font-size: var(--font-sm);
  color: var(--text-secondary);
  line-height: 1.6;
}

.tutorial-step-body code {
  background: var(--border-light);
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 12px;
  color: var(--primary);
}

/* Key Rules Preview */
.ins-rules-preview {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 20px;
  margin-bottom: 20px;
}

.ins-rules-preview h3 {
  font-size: var(--font-lg);
  font-weight: 700;
  margin-bottom: 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
}

.ins-rules-preview h3::after {
  content: '▼';
  font-size: 10px;
  color: var(--text-tertiary);
  transition: transform 0.2s;
}

.ins-rules-preview.collapsed h3::after {
  transform: rotate(-90deg);
}

.ins-rules-content {
  overflow: hidden;
  transition: max-height 0.3s;
}

.ins-rules-preview.collapsed .ins-rules-content {
  max-height: 0;
}

.rule-tag {
  display: inline-block;
  background: var(--info-bg);
  color: var(--info);
  padding: 3px 10px;
  border-radius: 4px;
  font-size: 12px;
  margin: 3px;
  font-weight: 500;
}

/* Full Instruction Viewer */
.ins-viewer {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.ins-viewer-header {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--border-light);
}

.ins-viewer-header h3 {
  font-size: var(--font-md);
  font-weight: 700;
}

.ins-viewer-actions {
  display: flex;
  gap: 8px;
}

.btn-copy-ins {
  background: var(--primary);
  color: #fff;
  border: none;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: var(--font-sm);
  cursor: pointer;
  transition: background 0.2s;
  display: flex;
  align-items: center;
  gap: 6px;
}

.btn-copy-ins:hover {
  background: var(--primary-dark);
}

.btn-copy-ins.copied {
  background: var(--success);
}

.btn-download-ins {
  background: var(--card-bg);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: var(--font-sm);
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 6px;
}

.btn-download-ins:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.ins-viewer-body {
  max-height: 600px;
  overflow-y: auto;
  padding: 20px;
  font-family: "Consolas", "Monaco", "Microsoft YaHei", monospace;
  font-size: 13px;
  line-height: 1.8;
  color: var(--text-primary);
  white-space: pre-wrap;
  word-break: break-word;
}

.ins-viewer-body.loading {
  text-align: center;
  color: var(--text-tertiary);
  padding: 40px;
}

/* 指令词保护提示 */
.ins-protected-notice {
  background: var(--card-bg);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.ins-protected-icon {
  font-size: 32px;
  flex-shrink: 0;
}

.ins-protected-text {
  flex: 1;
}

.ins-protected-title {
  font-size: var(--font-md);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.ins-protected-desc {
  font-size: var(--font-sm);
  color: var(--text-secondary);
  line-height: 1.5;
}

/* 发送到AI对话按钮 */
.btn-ai-chat-ins {
  background: var(--success);
  color: #fff;
  border: none;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: var(--font-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.btn-ai-chat-ins:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

/* AI对话中的指令词激活提示 */
.ai-chat-instruction-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.3);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  font-size: var(--font-sm);
}

.ins-badge-icon {
  font-size: 16px;
}

.ins-badge-text {
  flex: 1;
  color: var(--text-primary);
}

.ins-badge-text strong {
  color: var(--success);
}

.ins-badge-clear {
  background: none;
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
  padding: 2px 10px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s;
}

.ins-badge-clear:hover {
  border-color: var(--danger);
  color: var(--danger);
}

/* AI Guide Module */
.ai-guide-section {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 24px;
  margin-bottom: 20px;
}

.ai-guide-section h3 {
  font-size: var(--font-xl);
  font-weight: 700;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.ai-comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 16px;
}

.ai-comparison-table th {
  background: var(--sidebar-bg);
  color: #fff;
  padding: 12px 14px;
  text-align: left;
  font-size: var(--font-sm);
  font-weight: 600;
}

.ai-comparison-table th:first-child {
  width: 140px;
}

.ai-comparison-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-light);
  font-size: var(--font-sm);
  vertical-align: top;
  line-height: 1.5;
}

.ai-comparison-table tr:hover td {
  background: var(--border-light);
}

.ai-rank {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
}

.ai-rank-1 { color: #E63946; }
.ai-rank-2 { color: #6C5CE7; }
.ai-rank-3 { color: var(--success); }

.ai-star {
  color: var(--warning);
  font-size: 12px;
}

.ai-star-dim {
  color: var(--border);
  font-size: 12px;
}

.ai-workflow {
  background: var(--info-bg);
  border-radius: var(--radius);
  padding: 20px;
  margin-top: 16px;
}

.ai-workflow h4 {
  color: var(--info);
  font-size: var(--font-md);
  margin-bottom: 12px;
}

.ai-workflow-step {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
}

.ai-workflow-arrow {
  color: var(--primary);
  font-size: 18px;
  font-weight: 700;
  margin: 4px 0;
  padding-left: 14px;
}

.ai-prompt-box {
  background: var(--sidebar-bg);
  color: #d4d4d4;
  border-radius: var(--radius);
  padding: 16px;
  margin-top: 12px;
  font-family: "Consolas", "Monaco", monospace;
  font-size: 13px;
  line-height: 1.8;
  white-space: pre-wrap;
  position: relative;
}

.ai-prompt-box .btn-copy-ins {
  position: absolute;
  top: 10px;
  right: 10px;
}

.ai-tip-box {
  background: var(--warning-bg);
  border-left: 4px solid var(--warning);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  margin-top: 12px;
  font-size: var(--font-sm);
  color: var(--text-primary);
  line-height: 1.6;
}

.ai-tip-box strong {
  color: #B8860B;
}

.ai-strategy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 16px;
}

.ai-strategy-card {
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  transition: all 0.2s;
}

.ai-strategy-card:hover {
  border-color: var(--primary-light);
  box-shadow: var(--shadow);
}

.ai-strategy-card h4 {
  font-size: var(--font-md);
  font-weight: 700;
  margin-bottom: 8px;
}

.ai-strategy-card p {
  font-size: var(--font-sm);
  color: var(--text-secondary);
  line-height: 1.5;
}

.ai-strategy-card .strategy-cost {
  margin-top: 8px;
  font-size: 12px;
  color: var(--success);
  font-weight: 600;
}

/* ========== Responsive ========== */
@media (max-width: 900px) {
  .options-grid {
    grid-template-columns: 1fr;
  }
  .direction-grid {
    grid-template-columns: 1fr;
  }
  .sidebar {
    width: 64px;
  }
  .nav-item span:not(.nav-icon) {
    display: none;
  }
  .sidebar-label,
  .sidebar-progress {
    display: none;
  }
  .ins-overview {
    grid-template-columns: 1fr;
  }
  .ai-strategy-grid {
    grid-template-columns: 1fr;
  }
  .ai-comparison-table {
    font-size: 11px;
  }
  .ai-comparison-table th,
  .ai-comparison-table td {
    padding: 6px 8px;
  }
}

/* ========================================
   AI 集成模块样式
   ======================================== */

/* ── Topbar AI Button ──────────────────── */
.btn-ai-toggle {
  background: var(--sidebar-bg);
  color: #fff;
  border: 2px solid var(--warning);
  border-radius: var(--radius-sm);
  padding: 6px 18px;
  font-size: var(--font-sm);
  cursor: pointer;
  transition: all 0.2s;
  font-weight: 600;
}
.btn-ai-toggle:hover {
  background: var(--primary);
  border-color: var(--primary);
}

/* ── AI Config Form ────────────────────── */
.ai-config-form {
  max-width: 700px;
}
.ai-config-group {
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 16px;
}
.ai-config-label {
  display: block;
  font-weight: 700;
  font-size: var(--font-sm);
  color: var(--text-primary);
  margin-bottom: 10px;
}
.ai-config-input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: var(--font-sm);
  background: #fff;
  color: var(--text-primary);
  outline: none;
  transition: border-color 0.2s;
}
.ai-config-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-bg);
}
.ai-config-hint {
  margin-top: 8px;
  font-size: 12px;
}
.ai-config-params {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.ai-config-param {
  display: flex;
  align-items: center;
  gap: 12px;
}
.ai-config-param span:first-child {
  min-width: 120px;
  font-size: var(--font-sm);
  color: var(--text-secondary);
}
.ai-config-param input[type="range"] {
  flex: 1;
  accent-color: var(--primary);
}
.ai-config-guide {
  background: var(--info-bg);
  border: 1px solid var(--info);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-bottom: 16px;
}
.ai-config-guide h4 {
  margin: 0 0 10px;
  font-size: var(--font-sm);
}
.ai-config-guide ol {
  margin: 0;
  padding-left: 20px;
  font-size: 13px;
  line-height: 1.9;
  color: var(--text-secondary);
}
.ai-config-status {
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  text-align: center;
  margin-top: 8px;
  min-height: 20px;
}
.ai-config-status.success { background: var(--success-bg); color: var(--success); }
.ai-config-status.error { background: #fde8e8; color: var(--danger); }

/* ── AI Chat Module ────────────────────── */
.ai-chat-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  padding: 12px;
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}
.ai-chat-messages {
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  min-height: 400px;
  max-height: 500px;
  overflow-y: auto;
  padding: 16px;
  margin-bottom: 12px;
}
.ai-chat-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 300px;
  color: var(--text-tertiary);
  text-align: center;
}
.ai-chat-empty-icon { font-size: 48px; margin-bottom: 12px; }
.ai-chat-empty-title { font-size: 18px; font-weight: 700; color: var(--text-secondary); margin-bottom: 6px; }
.ai-chat-empty-desc { font-size: 13px; max-width: 320px; }

.ai-chat-bubble {
  margin-bottom: 16px;
  animation: fadeIn 0.3s ease;
}
.ai-chat-bubble-role {
  font-size: 11px;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--text-tertiary);
}
.ai-chat-bubble-content {
  padding: 12px 16px;
  border-radius: var(--radius-md);
  line-height: 1.7;
  font-size: var(--font-sm);
}
.ai-chat-user .ai-chat-bubble-content {
  background: var(--primary-bg);
  border: 1px solid var(--primary-border);
  border-bottom-right-radius: 4px;
}
.ai-chat-ai .ai-chat-bubble-content {
  background: #fff;
  border: 1px solid var(--border-color);
  border-bottom-left-radius: 4px;
}

.ai-chat-input-area {
  display: flex;
  gap: 8px;
  align-items: flex-end;
}
.ai-chat-input {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: var(--font-sm);
  font-family: inherit;
  resize: vertical;
  min-height: 60px;
  outline: none;
  transition: border-color 0.2s;
}
.ai-chat-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-bg);
}
.ai-chat-send {
  padding: 12px 24px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-sm);
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s;
}
.ai-chat-send:hover { background: var(--primary-dark); }
.ai-chat-send:disabled { background: #ccc; cursor: not-allowed; }

/* ── AI Execution Area ─────────────────── */
.ai-exec-section {
  margin-top: 24px;
  background: #fff;
  border: 1px solid var(--info);
  border-radius: var(--radius-lg);
  padding: 20px;
}
.ai-exec-header {
  margin-bottom: 16px;
}
.ai-exec-header h3 {
  margin: 0 0 4px;
  font-size: var(--font-md);
}
.ai-exec-hint {
  font-size: 12px;
  color: var(--text-tertiary);
}
.ai-exec-input {
  width: 100%;
  padding: 14px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: var(--font-sm);
  font-family: inherit;
  resize: vertical;
  outline: none;
  transition: border-color 0.2s;
  box-sizing: border-box;
}
.ai-exec-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-bg);
}
.ai-exec-model {
  padding: 8px 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: var(--font-sm);
  background: #fff;
  color: var(--text-primary);
  outline: none;
  cursor: pointer;
}
.btn-ai-execute {
  padding: 10px 24px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-sm);
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}
.btn-ai-execute:hover { background: var(--primary-dark); }
.btn-ai-execute:disabled { background: #ccc; cursor: not-allowed; }

.ai-exec-result {
  margin-top: 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.ai-exec-result-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 16px;
  background: var(--content-bg);
  border-bottom: 1px solid var(--border-color);
  font-size: 13px;
  font-weight: 700;
}
.ai-exec-result-copy {
  padding: 4px 12px;
  background: var(--sidebar-bg);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s;
}
.ai-exec-result-body {
  padding: 16px;
  max-height: 500px;
  overflow-y: auto;
  font-size: var(--font-sm);
  line-height: 1.7;
  color: var(--text-primary);
}
.ai-loading {
  padding: 40px;
  text-align: center;
  font-size: var(--font-md);
  color: var(--text-secondary);
}

/* ── Floating AI Panel ─────────────────── */
.ai-floating-overlay {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 9999;
  display: none;
}
.ai-floating-panel {
  width: 420px;
  max-height: 580px;
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 40px rgba(0,0,0,0.2);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: slideUp 0.3s ease;
}
@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.ai-floating-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  background: var(--sidebar-bg);
  color: #fff;
}
.ai-floating-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: var(--font-sm);
}
.ai-floating-model {
  font-size: 11px;
  padding: 2px 8px;
  background: rgba(255,255,255,0.15);
  border-radius: 10px;
  font-weight: 400;
}
.ai-floating-actions {
  display: flex;
  gap: 4px;
}
.ai-floating-btn {
  background: transparent;
  border: none;
  color: #fff;
  font-size: 14px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  transition: background 0.2s;
}
.ai-floating-btn:hover { background: rgba(255,255,255,0.15); }

.ai-floating-body {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
  min-height: 200px;
  max-height: 380px;
}
.ai-floating-input-area {
  display: flex;
  gap: 6px;
  padding: 10px 12px;
  border-top: 1px solid var(--border-color);
  background: var(--content-bg);
}
.ai-floating-input {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 13px;
  font-family: inherit;
  resize: none;
  outline: none;
  transition: border-color 0.2s;
}
.ai-floating-input:focus {
  border-color: var(--primary);
}
.ai-floating-send {
  width: 40px;
  height: 40px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 50%;
  font-size: 16px;
  cursor: pointer;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}
.ai-floating-send:hover { background: var(--primary-dark); }
.ai-floating-send:disabled { background: #ccc; }

/* ── Responsive for AI panels ──────────── */
@media (max-width: 900px) {
  .ai-floating-panel {
    width: calc(100vw - 40px);
    max-height: 70vh;
  }
  .ai-floating-body {
    max-height: 40vh;
  }
}