/**
 * TubeSub 样式表 (src/tubesub/style.css)
 * 现代暗黑极简风格，兼顾专业效率与视觉美感
 * 适配桌面大屏与 375px 移动端
 */

:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-card: #182234;
  --bg-card-hover: #1f2c42;
  --bg-input: #0e1522;
  --border-color: #26354d;
  --border-color-focus: #3b82f6;

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --color-primary: #3b82f6;
  --color-primary-hover: #2563eb;
  --color-purple: #8b5cf6;
  --color-purple-hover: #7c3aed;
  --color-emerald: #10b981;
  --color-emerald-bg: rgba(16, 185, 129, 0.15);
  --color-amber: #f59e0b;
  --color-amber-bg: rgba(245, 158, 11, 0.15);
  --color-red: #ef4444;
  --color-red-bg: rgba(239, 68, 68, 0.15);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

/* 顶部导航栏 */
.app-header {
  height: 64px;
  background: rgba(17, 24, 39, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #ef4444, #8b5cf6);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.brand-title {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.brand-title h1 {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.brand-badge {
  font-size: 11px;
  padding: 2px 8px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  border-radius: 12px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.privacy-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: #34d399;
  background: var(--color-emerald-bg);
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 4px 10px;
  border-radius: 20px;
}

.btn-icon {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-icon:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
  border-color: var(--color-primary);
}

/* 主容器 */
.app-container {
  max-width: 1360px;
  margin: 0 auto;
  padding: 24px;
  width: 100%;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* 顶部配置与合规提示条 */
.compliance-banner {
  background: rgba(30, 41, 59, 0.6);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-md);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-secondary);
  gap: 12px;
}

.compliance-banner a {
  color: var(--color-primary);
  text-decoration: none;
}

/* 上半部分：输入源与控制台 */
.input-panel {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}

.tab-nav {
  display: flex;
  gap: 8px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 12px;
  margin-bottom: 16px;
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s;
}

.tab-btn:hover {
  color: var(--text-primary);
  background: var(--bg-card);
}

.tab-btn.active {
  color: #fff;
  background: var(--color-primary);
}

/* 输入区域 */
.tab-content {
  display: none;
}
.tab-content.active {
  display: block;
}

/* YouTube URL 提取表单 */
.yt-input-group {
  display: flex;
  gap: 10px;
}

.text-input {
  flex: 1;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), #2563eb);
  color: #fff;
  border: none;
  padding: 0 20px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s;
}

.btn-primary:hover {
  opacity: 0.95;
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  padding: 8px 14px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s;
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--color-primary);
}

/* 本地文件与粘贴表单 */
.import-area {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.drop-zone {
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
  background: rgba(14, 21, 34, 0.4);
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.drop-zone:hover, .drop-zone.dragover {
  border-color: var(--color-purple);
  background: rgba(139, 92, 246, 0.05);
}

.paste-box {
  width: 100%;
  height: 120px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px;
  color: var(--text-primary);
  font-family: monospace;
  font-size: 12px;
  resize: vertical;
  outline: none;
}

.paste-box:focus {
  border-color: var(--border-color-focus);
}

.sample-bar {
  margin-top: 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* 提示与状态通知框 */
.alert-box {
  margin-top: 14px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 13px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  line-height: 1.5;
}

.alert-amber {
  background: var(--color-amber-bg);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: #fbbf24;
}

.alert-blue {
  background: rgba(59, 130, 246, 0.12);
  border: 1px solid rgba(59, 130, 246, 0.3);
  color: #93c5fd;
}

/* 整形控制工具条 */
.config-panel {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 18px 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.rules-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.rule-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text-secondary);
}

.rule-item label {
  font-weight: 500;
  color: var(--text-primary);
}

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

input[type="range"] {
  accent-color: var(--color-purple);
  width: 100px;
  cursor: pointer;
}

.slider-val {
  font-weight: 700;
  color: #c084fc;
  min-width: 48px;
}

.switch-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  user-select: none;
}

.switch-label input {
  display: none;
}

.switch-slider {
  width: 36px;
  height: 20px;
  background: var(--border-color);
  border-radius: 20px;
  position: relative;
  transition: 0.3s;
}

.switch-slider::before {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  left: 3px;
  top: 3px;
  background: #fff;
  border-radius: 50%;
  transition: 0.3s;
}

.switch-label input:checked + .switch-slider {
  background: var(--color-purple);
}

.switch-label input:checked + .switch-slider::before {
  transform: translateX(16px);
}

/* 统计与对比大看板 */
.stats-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.stat-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

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

.stat-value {
  font-size: 20px;
  font-weight: 700;
  display: flex;
  align-items: baseline;
  gap: 6px;
}

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

/* 核心工作区：对比与展示 */
.workbench-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  flex: 1;
}

.workbench-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.card-header {
  padding: 12px 18px;
  border-bottom: 1px solid var(--border-color);
  background: rgba(19, 27, 46, 0.4);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-title {
  font-size: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-body {
  padding: 16px;
  flex: 1;
  min-height: 380px;
  max-height: 540px;
  overflow-y: auto;
  font-size: 13px;
  line-height: 1.7;
}

/* 逐行字幕展示 */
.sub-row {
  display: flex;
  gap: 12px;
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  transition: background 0.15s;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.sub-row:hover {
  background: var(--bg-card);
}

.sub-index {
  color: var(--text-muted);
  font-family: monospace;
  font-size: 11px;
  min-width: 28px;
  text-align: right;
  padding-top: 2px;
}

.sub-time {
  color: var(--text-secondary);
  font-family: monospace;
  font-size: 11px;
  background: rgba(255, 255, 255, 0.05);
  padding: 2px 6px;
  border-radius: 4px;
  height: fit-content;
  white-space: nowrap;
}

.sub-content {
  flex: 1;
  word-break: break-all;
}

.sub-charcount {
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 4px;
  font-family: monospace;
  height: fit-content;
}

.sub-charcount.ok {
  color: #34d399;
  background: var(--color-emerald-bg);
}

.sub-charcount.warn {
  color: #f87171;
  background: var(--color-red-bg);
}

/* 多音字高亮 */
mark.polyphone {
  background: #fbbf24;
  color: #0f172a;
  padding: 1px 3px;
  border-radius: 3px;
  font-weight: 600;
  cursor: help;
}

/* 多音字汇总抽屉 / 列表 */
.polyphone-strip {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px 18px;
}

.poly-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.poly-pill {
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: #fbbf24;
  padding: 4px 10px;
  border-radius: 14px;
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.poly-pill strong {
  color: #fff;
}

/* 导出操作栏 */
.export-bar {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

/* Toast 提示条 */
#toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: rgba(17, 24, 39, 0.95);
  border: 1px solid var(--color-purple);
  color: #fff;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  font-size: 13px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1000;
  pointer-events: none;
}

#toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* 移动端适配 (375px) */
@media (max-width: 900px) {
  .app-container {
    padding: 14px;
  }
  .app-header {
    padding: 0 14px;
  }
  .stats-strip {
    grid-template-columns: repeat(2, 1fr);
  }
  .workbench-grid {
    grid-template-columns: 1fr;
  }
  .import-area {
    grid-template-columns: 1fr;
  }
  .config-panel {
    flex-direction: column;
    align-items: flex-start;
  }
  .export-bar {
    flex-direction: column;
    align-items: stretch;
  }
}