/* ==========================================================================
   pdf-inspector — 純前端 PDF 檢查與 Markdown 提取工具
   樣式表：明亮精緻、高對比度、桌機與行動裝置完整響應式設計
   ========================================================================== */

:root {
  --brand: #fa5d19;
  --brand-hover: #ea580c;
  --brand-active: #c2410c;
  --brand-light: #fff7ed;
  --brand-border: #fed7aa;
  
  --bg-page: #f8fafc;
  --bg-surface: #ffffff;
  --bg-subtle: #f1f5f9;
  --bg-muted: #e2e8f0;
  
  --border-light: #f1f5f9;
  --border-default: #e2e8f0;
  --border-dark: #cbd5e1;
  
  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --text-subtle: #94a3b8;
  
  --success-bg: #ecfdf5;
  --success-border: #a7f3d0;
  --success-text: #065f46;
  --success-badge: #10b981;
  
  --warning-bg: #fffbeb;
  --warning-border: #fde68a;
  --warning-text: #92400e;
  --warning-badge: #f59e0b;
  
  --danger-bg: #fef2f2;
  --danger-border: #fecaca;
  --danger-text: #991b1b;
  
  --info-bg: #eff6ff;
  --info-border: #bfdbfe;
  --info-text: #1e40af;
  
  --code-bg: #0f172a;
  --code-text: #f8fafc;
  
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", "Helvetica Neue", sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 18px;
  
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.07), 0 2px 4px -2px rgb(0 0 0 / 0.07);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.04);
  
  --container-max: 1200px;
}

*, *::before, *::after {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  font-family: var(--font-sans);
  background-color: var(--bg-page);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

section, .ocr-alert-banner, .panel-card {
  scroll-margin-top: 80px;
}

body {
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* 容器與版面 */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(16px, 3.5vw, 32px);
  padding-right: clamp(16px, 3.5vw, 32px);
}

/* 頂部導覽列 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-default);
  transition: box-shadow 0.2s ease;
}

.site-header.is-scrolled {
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 16px;
}

.brand-group {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-primary);
}

.brand-logo {
  width: 24px;
  height: 24px;
  display: block;
}

.brand-title {
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.02em;
}

.brand-tag {
  display: inline-flex;
  align-items: center;
  background: var(--brand-light);
  color: var(--brand-hover);
  border: 1px solid var(--brand-border);
  font-size: 11px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.header-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-secondary);
  background: var(--bg-subtle);
  border: 1px solid var(--border-default);
  padding: 5px 11px;
  border-radius: 999px;
  font-family: var(--font-mono);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #cbd5e1;
  transition: background-color 0.3s ease;
}

.status-dot.is-ready {
  background-color: var(--success-badge);
  box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.2);
}

.status-dot.is-busy {
  background-color: var(--brand);
  animation: pulse-dot 1.2s infinite ease-in-out;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.3); }
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 18px;
}

.header-nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.15s ease;
}

.header-nav a:hover {
  color: var(--brand);
}

.btn-github {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: var(--text-primary);
  color: #ffffff !important;
  font-size: 13px;
  font-weight: 500;
  padding: 6px 13px;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: background-color 0.15s ease;
}

.btn-github:hover {
  background-color: var(--brand);
}

/* 隱私聲明橫幅 */
.privacy-banner {
  background: linear-gradient(135deg, #fff7ed 0%, #ffedd5 100%);
  border-bottom: 1px solid var(--brand-border);
  padding: 10px 0;
}

.privacy-banner-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 13px;
  color: #9a3412;
}

.privacy-banner-content {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
}

.privacy-banner-badge {
  background-color: #ffffff;
  color: var(--brand-hover);
  border: 1px solid var(--brand-border);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 11px;
}

/* 英雄區塊 */
.hero-section {
  padding-top: clamp(28px, 5vw, 48px);
  padding-bottom: 24px;
}

.hero-header {
  max-width: 840px;
}

.hero-subtitle-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--brand);
  background: var(--brand-light);
  border: 1px solid var(--brand-border);
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.hero-title {
  font-size: clamp(28px, 4.2vw, 44px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin: 0 0 12px 0;
}

.hero-title em {
  font-style: normal;
  color: var(--brand);
}

.hero-description {
  font-size: clamp(15px, 1.8vw, 17px);
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
  max-width: 760px;
}

/* 工作室主卡片與網格 */
.studio-section {
  padding-bottom: 60px;
}

.studio-grid {
  display: grid;
  grid-template-columns: minmax(320px, 420px) minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

/* 左側：控制面板 */
.studio-sidebar {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.panel-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}

.panel-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 14px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* 拖放與選檔區域 */
.drop-zone {
  border: 2px dashed var(--border-dark);
  border-radius: var(--radius-md);
  background: var(--bg-page);
  padding: 32px 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
  outline: none;
}

.drop-zone:hover,
.drop-zone:focus-visible,
.drop-zone.is-dragover {
  border-color: var(--brand);
  background-color: var(--brand-light);
  transform: translateY(-1px);
}

.drop-zone.is-dragover {
  box-shadow: 0 0 0 4px rgba(250, 93, 25, 0.15);
}

.drop-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 12px;
  color: var(--brand);
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
}

.drop-icon svg {
  width: 24px;
  height: 24px;
}

.drop-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.drop-hint {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.btn-choose {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--brand);
  color: #ffffff;
  border: none;
  font-size: 14px;
  font-weight: 600;
  padding: 9px 20px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color 0.15s ease, transform 0.1s ease;
  box-shadow: 0 1px 2px rgba(250, 93, 25, 0.2);
}

.btn-choose:hover {
  background-color: var(--brand-hover);
  transform: translateY(-1px);
}

.btn-choose:active {
  transform: translateY(0);
}

/* 示範檔案載入區 */
.sample-files-group {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border-default);
}

.sample-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.sample-btn-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.btn-sample {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-subtle);
  border: 1px solid var(--border-default);
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.btn-sample:hover {
  background: #ffffff;
  border-color: var(--brand);
  color: var(--brand-hover);
}

/* 當前檔案資訊卡 */
.file-active-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-subtle);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  margin-top: 14px;
  gap: 10px;
}

.file-info {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.file-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-family: var(--font-mono);
}

.file-size {
  font-size: 11px;
  color: var(--text-muted);
}

.btn-clear {
  background: transparent;
  border: 1px solid var(--border-dark);
  color: var(--danger-text);
  padding: 5px 10px;
  font-size: 12px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.btn-clear:hover {
  background: var(--danger-bg);
  border-color: var(--danger-border);
}

/* 解析選項設定 */
.options-group {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.option-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
  color: var(--text-secondary);
}

.option-row label {
  cursor: pointer;
}

.select-control {
  font-size: 13px;
  font-family: inherit;
  padding: 5px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-default);
  background-color: #ffffff;
  color: var(--text-primary);
  outline: none;
}

.select-control:focus {
  border-color: var(--brand);
}

.password-input-group {
  display: flex;
  gap: 6px;
  margin-top: 8px;
}

.password-input {
  flex: 1;
  font-size: 13px;
  padding: 7px 10px;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  outline: none;
}

.password-input:focus {
  border-color: var(--brand);
}

.btn-decrypt {
  background: var(--brand);
  color: #fff;
  border: none;
  font-size: 12px;
  font-weight: 600;
  padding: 7px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

/* 狀態訊息橫幅 */
.message-banner {
  padding: 12px 14px;
  border-radius: var(--radius-md);
  font-size: 13px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-top: 14px;
}

.message-banner[data-tone="info"] {
  background-color: var(--info-bg);
  border: 1px solid var(--info-border);
  color: var(--info-text);
}

.message-banner[data-tone="success"] {
  background-color: var(--success-bg);
  border: 1px solid var(--success-border);
  color: var(--success-text);
}

.message-banner[data-tone="error"] {
  background-color: var(--danger-bg);
  border: 1px solid var(--danger-border);
  color: var(--danger-text);
}

.message-banner[data-tone="loading"] {
  background-color: var(--brand-light);
  border: 1px solid var(--brand-border);
  color: var(--brand-hover);
}

/* 掃描影像 / OCR 專屬警示橫幅（關鍵需求） */
.ocr-alert-banner {
  background-color: var(--warning-bg);
  border: 1.5px solid var(--warning-badge);
  border-radius: var(--radius-lg);
  padding: 16px 18px;
  margin-bottom: 20px;
  box-shadow: 0 2px 4px rgba(245, 158, 11, 0.08);
}

.ocr-alert-head {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 700;
  color: var(--warning-text);
  margin-bottom: 6px;
}

.ocr-alert-head svg {
  width: 20px;
  height: 20px;
  color: var(--warning-badge);
  flex-shrink: 0;
}

.ocr-alert-body {
  font-size: 13px;
  line-height: 1.6;
  color: #78350f;
}

.ocr-alert-body strong {
  color: #92400e;
}

.ocr-pages-list {
  margin-top: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.ocr-page-chip {
  display: inline-flex;
  align-items: center;
  background: #ffffff;
  border: 1px solid var(--warning-border);
  color: var(--warning-text);
  font-size: 12px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
}

/* 右側：解析成果與展示區 */
.studio-main {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* 核心指標卡片格線 */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.metric-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.metric-label {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 4px;
}

.metric-value {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  font-family: var(--font-mono);
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.metric-sub {
  font-size: 11px;
  color: var(--text-subtle);
  margin-top: 2px;
}

/* 文件類型 Badge */
.type-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 700;
  font-family: var(--font-mono);
}

.type-badge.text-based {
  background-color: var(--success-bg);
  color: var(--success-text);
  border: 1px solid var(--success-border);
}

.type-badge.scanned,
.type-badge.image-based {
  background-color: var(--warning-bg);
  color: var(--warning-text);
  border: 1px solid var(--warning-border);
}

.type-badge.mixed {
  background-color: var(--info-bg);
  color: var(--info-text);
  border: 1px solid var(--info-border);
}

/* 中繼資料折疊面板 */
.metadata-details {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.metadata-summary {
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
  background-color: var(--bg-subtle);
}

.metadata-summary:hover {
  background-color: #e2e8f0;
}

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

.metadata-table th,
.metadata-table td {
  padding: 9px 16px;
  border-bottom: 1px solid var(--border-default);
  text-align: left;
}

.metadata-table tr:last-child th,
.metadata-table tr:last-child td {
  border-bottom: none;
}

.metadata-table th {
  width: 28%;
  color: var(--text-muted);
  font-weight: 500;
  background: #fafbfc;
}

.metadata-table td {
  color: var(--text-primary);
  font-family: var(--font-mono);
  word-break: break-all;
}

/* Markdown 工作區 */
.markdown-workspace {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.workspace-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  border-bottom: 1px solid var(--border-default);
  background: var(--bg-subtle);
  flex-wrap: wrap;
  gap: 12px;
}

.view-tabs {
  display: inline-flex;
  background: #e2e8f0;
  padding: 3px;
  border-radius: var(--radius-md);
}

.tab-btn {
  background: transparent;
  border: none;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
}

.tab-btn.is-active {
  background: #ffffff;
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

.toolbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.btn-tool {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  padding: 7px 13px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-dark);
  background: #ffffff;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-tool:hover:not(:disabled) {
  border-color: var(--brand);
  color: var(--brand-hover);
  background: var(--brand-light);
}

.btn-tool:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-tool.primary {
  background-color: var(--brand);
  border-color: var(--brand);
  color: #ffffff;
}

.btn-tool.primary:hover:not(:disabled) {
  background-color: var(--brand-hover);
  border-color: var(--brand-hover);
  color: #ffffff;
}

/* 預覽與原始代碼容器 */
.workspace-content {
  min-height: 480px;
  max-height: 720px;
  overflow-y: auto;
  position: relative;
  background: #ffffff;
}

/* 空白提示狀態 */
.empty-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 440px;
  padding: 40px 20px;
  text-align: center;
  color: var(--text-muted);
}

.empty-icon {
  width: 56px;
  height: 56px;
  color: var(--border-dark);
  margin-bottom: 16px;
}

.empty-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.empty-desc {
  font-size: 13px;
  max-width: 360px;
  margin: 0;
}

/* 原始 Markdown 檢視 */
.raw-markdown-view {
  margin: 0;
  padding: 24px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-primary);
  white-space: pre-wrap;
  word-break: break-word;
  background-color: #fafbfc;
}

/* 渲染格式化預覽樣式 */
.rendered-preview {
  padding: clamp(20px, 4vw, 36px);
  color: var(--text-primary);
  line-height: 1.75;
  font-size: 15px;
}

.rendered-preview h1 {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.3;
  border-bottom: 2px solid var(--border-default);
  padding-bottom: 10px;
  margin: 28px 0 16px;
}

.rendered-preview h2 {
  font-size: 23px;
  font-weight: 700;
  line-height: 1.35;
  border-bottom: 1px solid var(--border-default);
  padding-bottom: 8px;
  margin: 24px 0 14px;
}

.rendered-preview h3 {
  font-size: 19px;
  font-weight: 600;
  line-height: 1.4;
  margin: 20px 0 12px;
}

.rendered-preview h4,
.rendered-preview h5,
.rendered-preview h6 {
  font-size: 16px;
  font-weight: 600;
  margin: 16px 0 10px;
  color: var(--text-secondary);
}

.rendered-preview p {
  margin: 0 0 16px;
}

.rendered-preview ul,
.rendered-preview ol {
  margin: 0 0 16px;
  padding-left: 24px;
}

.rendered-preview li {
  margin-bottom: 6px;
}

.rendered-preview blockquote {
  margin: 0 0 16px;
  padding: 10px 18px;
  border-left: 4px solid var(--brand);
  background: var(--bg-page);
  color: var(--text-secondary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.rendered-preview pre {
  background: var(--code-bg);
  color: var(--code-text);
  padding: 16px;
  border-radius: var(--radius-md);
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  margin: 0 0 16px;
}

.rendered-preview code {
  font-family: var(--font-mono);
  background: var(--bg-subtle);
  color: #c026d3;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
}

.rendered-preview pre code {
  background: transparent;
  color: inherit;
  padding: 0;
}

.rendered-preview hr {
  border: 0;
  border-top: 1px solid var(--border-default);
  margin: 28px 0;
}

/* 預覽中的表格樣式 */
.rendered-preview .table-wrapper {
  width: 100%;
  overflow-x: auto;
  margin: 18px 0 24px;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.rendered-preview table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  text-align: left;
}

.rendered-preview th,
.rendered-preview td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-default);
  border-right: 1px solid var(--border-default);
}

.rendered-preview th:last-child,
.rendered-preview td:last-child {
  border-right: none;
}

.rendered-preview th {
  background-color: var(--bg-subtle);
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
}

.rendered-preview tr:last-child td {
  border-bottom: none;
}

.rendered-preview tr:nth-child(even) td {
  background-color: #fafbfc;
}

.rendered-preview .page-separator {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 32px 0 24px;
  position: relative;
}

.rendered-preview .page-separator::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  border-top: 1px dashed var(--border-dark);
  z-index: 1;
}

.rendered-preview .page-badge {
  position: relative;
  z-index: 2;
  background: var(--bg-subtle);
  border: 1px solid var(--border-default);
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 600;
  padding: 3px 12px;
  border-radius: 999px;
  font-family: var(--font-mono);
}

/* 頁腳與授權資訊 */
.site-footer {
  margin-top: auto;
  background: #ffffff;
  border-top: 1px solid var(--border-default);
  padding: 36px 0;
  font-size: 13px;
  color: var(--text-muted);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-copy strong {
  color: var(--text-primary);
}

.footer-links {
  display: flex;
  gap: 18px;
  align-items: center;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--brand);
}

/* 說明文檔與技術特點區塊 */
.docs-section {
  padding: 50px 0;
  border-top: 1px solid var(--border-default);
  background: #ffffff;
}

.section-heading {
  margin-bottom: 32px;
}

.section-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--brand);
  background: var(--brand-light);
  border: 1px solid var(--brand-border);
  padding: 3px 10px;
  border-radius: 999px;
  margin-bottom: 8px;
}

.section-title {
  font-size: 26px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 8px;
}

.section-desc {
  font-size: 15px;
  color: var(--text-secondary);
  margin: 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.feature-card {
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: 22px;
  background: var(--bg-page);
  box-shadow: var(--shadow-sm);
}

.feature-num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--brand);
  margin-bottom: 10px;
}

.feature-card h3 {
  font-size: 17px;
  font-weight: 600;
  margin: 0 0 8px;
  color: var(--text-primary);
}

.feature-card p {
  font-size: 13.5px;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.6;
}

/* 評測比較表 */
.benchmark-table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  margin-top: 20px;
}

.benchmark-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.benchmark-table th,
.benchmark-table td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--border-default);
  text-align: left;
}

.benchmark-table th {
  background: var(--bg-subtle);
  font-weight: 600;
  color: var(--text-secondary);
}

.benchmark-table tr.highlight td {
  background: var(--brand-light);
  font-weight: 700;
  color: var(--brand-hover);
}

/* Toast 提示 */
.toast-notice {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1000;
  background: var(--text-primary);
  color: #ffffff;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 8px;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: all 0.25s ease;
}

.toast-notice.is-show {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   行動裝置與響應式斷點優化（手機易用）
   ========================================================================== */

@media (max-width: 960px) {
  .studio-grid {
    grid-template-columns: 1fr;
  }
  
  .studio-sidebar {
    order: 1;
  }
  
  .studio-main {
    order: 2;
  }
  
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .header-nav {
    display: none;
  }
  
  .privacy-banner-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
  
  .drop-zone {
    padding: 24px 14px;
  }
  
  .sample-btn-row {
    grid-template-columns: 1fr;
  }
  
  .metrics-grid {
    grid-template-columns: 1fr;
  }
  
  .workspace-toolbar {
    flex-direction: column;
    align-items: stretch;
  }
  
  .view-tabs {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    text-align: center;
  }
  
  .toolbar-actions {
    justify-content: stretch;
  }
  
  .btn-tool {
    flex: 1;
    justify-content: center;
    padding: 10px;
    font-size: 13px;
  }
  
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}