/* ============================================
   DoVideoAI — Soft Anime-Inspired Theme
   Clean / Light / Youthful Design System
   ============================================ */

/* === Google Fonts === */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700&family=Noto+Sans+SC:wght@400;500;600&family=Inter:wght@400;500;600&display=swap');

/* === CSS Custom Properties (Design Tokens) === */
:root {
  /* Backgrounds */
  --bg-primary: #F5F5F7;
  --bg-secondary: #FFFFFF;
  --bg-card: #FFFFFF;
  --bg-card-hover: #FAFAFA;
  --bg-input: #F0F0F3;
  --bg-overlay: rgba(245, 245, 247, 0.95);

  /* Primary Accent — Purple-Pink Gradient */
  --accent-primary: #8B5CF6;
  --accent-primary-dark: #7C3AED;
  --accent-primary-light: #A78BFA;
  --accent-gradient: linear-gradient(135deg, #8B5CF6, #EC4899);

  /* Secondary Accents */
  --accent-orange: #F97316;
  --accent-cyan: #06B6D4;
  --accent-green: #22C55E;
  --accent-gold: #EAB308;
  --accent-red: #EF4444;
  --accent-red-dark: #DC2626;

  /* Text */
  --text-primary: #1E1E2E;
  --text-secondary: #6B7280;
  --text-tertiary: #9CA3AF;
  --text-heading: #111827;
  --text-on-accent: #FFFFFF;

  /* Borders */
  --border-default: #E5E7EB;
  --border-highlight: #D1D5DB;
  --border-accent: #8B5CF6;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-xl: 0 8px 32px rgba(0, 0, 0, 0.1);
  --shadow-accent: 0 4px 14px rgba(139, 92, 246, 0.25);
  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);

  /* Typography */
  --font-display: 'Montserrat', sans-serif;
  --font-body: 'Inter', 'Noto Sans SC', sans-serif;

  /* Spacing (8dp grid) */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms ease-out;
  --transition-normal: 250ms ease-out;

  /* Z-index scale */
  --z-base: 0;
  --z-card: 10;
  --z-nav: 40;
  --z-modal: 100;
  --z-toast: 1000;
}

/* === Global Reset === */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Subtle background image overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url('../assets/bg.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  opacity: 0.08;
  pointer-events: none;
  z-index: -1;
}

a {
  color: var(--accent-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover {
  color: var(--accent-primary-dark);
}

img {
  max-width: 100%;
  height: auto;
}

/* === Typography === */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--text-heading);
  line-height: 1.2;
}
h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.1rem; }

.hud-label {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.hud-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--text-heading);
}

.hud-stat {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--text-heading);
}

/* === Layout === */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.page-section {
  display: none !important;
  animation: fadeIn var(--transition-normal);
}
.page-section.active {
  display: flex !important;
}
.page-section.active:not(.auth-page) {
  display: block !important;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* === Navigation Bar === */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  height: 60px;
  background: rgba(255, 255, 255, 0.85);
  border-bottom: 1px solid var(--border-default);
  display: flex;
  align-items: center;
  padding: 0 var(--space-lg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.navbar__logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.06em;
  color: var(--text-heading);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}
.navbar__logo span {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.navbar__links {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  margin-left: auto;
}

.navbar__link {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.875rem;
  color: var(--text-secondary);
  padding: var(--space-sm) var(--space-md);
  border: 1px solid transparent;
  border-radius: var(--radius-full);
  background: transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  min-height: 44px;
  display: flex;
  align-items: center;
}
.navbar__link:hover {
  color: var(--text-primary);
  background: rgba(139, 92, 246, 0.06);
}
.navbar__link.active {
  color: var(--accent-primary);
  background: rgba(139, 92, 246, 0.1);
  border-color: rgba(139, 92, 246, 0.2);
}
.navbar__link:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

.navbar__user {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-left: var(--space-md);
  padding-left: var(--space-md);
  border-left: 1px solid var(--border-default);
  line-height: 1.3;
}

.navbar__logout {
  font-size: 0.8rem;
  color: var(--text-tertiary);
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  margin-left: var(--space-sm);
  transition: color var(--transition-fast);
  min-height: 44px;
  display: flex;
  align-items: center;
  border-radius: var(--radius-sm);
}
.navbar__logout:hover {
  color: var(--accent-red);
  background: rgba(239, 68, 68, 0.06);
}

/* Main content offset for fixed nav */
.main-content {
  padding-top: 76px;
  min-height: 100vh;
}

/* === Buttons === */
.btn {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.04em;
  padding: 12px 28px;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  position: relative;
}
.btn:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn--primary {
  background: var(--accent-gradient);
  color: var(--text-on-accent);
  box-shadow: var(--shadow-accent);
}
.btn--primary:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(139, 92, 246, 0.35);
}
.btn--primary:active:not(:disabled) {
  transform: translateY(0);
}

.btn--ghost {
  background: transparent;
  border: 1px solid var(--border-highlight);
  color: var(--text-primary);
}
.btn--ghost:hover:not(:disabled) {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  background: rgba(139, 92, 246, 0.04);
}

.btn--small {
  font-size: 0.8rem;
  padding: 8px 18px;
}

/* GitHub OAuth 按钮 */
.btn--github {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: #24292e;
  color: #fff;
  border: none;
  font-size: 0.9rem;
}
.btn--github:hover:not(:disabled) {
  background: #2f363d;
  transform: translateY(-1px);
}
.btn--github .btn__text {
  color: #fff;
}

/* 认证页面分割线 */
.auth-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 16px 0;
}
.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-default);
}
.auth-divider__text {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.btn--loading .btn__text {
  visibility: hidden;
}
.btn--loading::after {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* === Cards === */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition-fast), border-color var(--transition-fast);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent-gradient);
  opacity: 0;
  transition: opacity var(--transition-fast);
}
.card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--border-highlight);
}
.card:hover::before {
  opacity: 1;
}

.card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
}

.card__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-heading);
}

/* === Forms === */
.form-group {
  margin-bottom: var(--space-lg);
  position: relative;
}

.form-label {
  display: block;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text-primary);
  background: var(--bg-input);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  outline: none;
  transition: all var(--transition-fast);
  min-height: 44px;
}
.form-input::placeholder {
  color: var(--text-tertiary);
}
.form-input:focus {
  background: var(--bg-secondary);
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.12);
}
.form-input:invalid:not(:placeholder-shown) {
  border-color: var(--accent-red);
}

.form-error {
  font-size: 0.85rem;
  color: var(--accent-red);
  margin-top: var(--space-xs);
  display: none;
}
.form-error.visible {
  display: block;
}

.form-input.error {
  border-color: var(--accent-red);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

/* === Password Toggle === */
.form-input-wrap {
  position: relative;
}
.form-input-wrap .form-input {
  padding-right: 44px;
}
.form-input__toggle {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-tertiary);
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: color var(--transition-fast);
}
.form-input__toggle:hover {
  color: var(--text-secondary);
}
.divider {
  position: relative;
  height: 1px;
  background: linear-gradient(90deg, var(--accent-primary-light), transparent 60%);
  margin: var(--space-lg) 0;
  border: none;
  opacity: 0.4;
}

/* === Status Badges === */
.badge {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.badge--pending {
  color: var(--text-secondary);
  background: rgba(107, 114, 128, 0.1);
}
.badge--pending::before { background: var(--text-secondary); }

.badge--queued {
  color: #D97706;
  background: rgba(234, 179, 8, 0.1);
}
.badge--queued::before { background: #EAB308; }

.badge--running {
  color: #0891B2;
  background: rgba(6, 182, 212, 0.1);
  animation: badge-pulse 2s ease-in-out infinite;
}
.badge--running::before {
  background: #06B6D4;
  animation: dot-pulse 1.5s ease-in-out infinite;
}
@keyframes badge-pulse {
  0%, 100% { box-shadow: none; }
  50% { box-shadow: 0 0 12px rgba(6, 182, 212, 0.2); }
}
@keyframes dot-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.badge--succeeded {
  color: #16A34A;
  background: rgba(34, 197, 94, 0.1);
}
.badge--succeeded::before { background: #22C55E; }

.badge--failed {
  color: var(--accent-red);
  background: rgba(239, 68, 68, 0.1);
}
.badge--failed::before { background: var(--accent-red); }

.badge--dead {
  color: #991B1B;
  background: rgba(220, 38, 38, 0.12);
}
.badge--dead::before { background: #DC2626; }

.badge--retrying {
  color: var(--accent-orange);
  background: rgba(249, 115, 22, 0.1);
}
.badge--retrying::before { background: var(--accent-orange); }

/* === Progress Bar === */
.progress {
  width: 100%;
  height: 6px;
  background: var(--bg-input);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}
.progress__bar {
  height: 100%;
  background: var(--accent-gradient);
  border-radius: var(--radius-full);
  transition: width 0.4s ease-out;
}

.progress--large {
  height: 10px;
}

.progress__label {
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: var(--space-xs);
  display: flex;
  justify-content: space-between;
}

/* === Upload Zone === */
.upload-zone {
  border: 2px dashed var(--border-highlight);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  background: var(--bg-card);
  position: relative;
}
.upload-zone:hover,
.upload-zone.dragover {
  border-color: var(--accent-primary);
  background: rgba(139, 92, 246, 0.03);
}
.upload-zone.dragover {
  box-shadow: var(--shadow-accent);
}

.upload-zone__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-md);
  color: var(--accent-primary);
  opacity: 0.6;
}

.upload-zone__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.upload-zone__hint {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.upload-zone__formats {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  margin-top: var(--space-sm);
}

/* === Auth Page (Login / Register) === */
.auth-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: var(--space-lg);
}

.auth-panel {
  width: 100%;
  max-width: 420px;
}

.auth-panel__logo {
  text-align: center;
  margin-bottom: var(--space-xl);
}
.auth-panel__logo h1 {
  font-size: 2.25rem;
  letter-spacing: 0.06em;
}
.auth-panel__logo h1 span {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.auth-tabs {
  display: flex;
  border-bottom: 1px solid var(--border-default);
  margin-bottom: var(--space-lg);
}

.auth-tab {
  flex: 1;
  padding: var(--space-md);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  text-align: center;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  min-height: 44px;
}
.auth-tab:hover {
  color: var(--text-primary);
}
.auth-tab.active {
  color: var(--accent-primary);
  border-bottom-color: var(--accent-primary);
}

.auth-form {
  display: none;
}
.auth-form.active {
  display: block;
}

/* === Dashboard === */
.dashboard-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
  padding-top: var(--space-md);
}

.task-grid {
  display: grid;
  gap: var(--space-md);
}

.task-card {
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
}
.task-card:hover {
  transform: translateY(-1px);
}

.task-card__info {
  flex: 1;
  min-width: 0;
}

.task-card__name {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-heading);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.task-card__meta {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: var(--space-xs);
}

.task-card__progress {
  flex: 0 0 200px;
}

.task-card__time {
  font-size: 0.8rem;
  color: var(--text-tertiary);
  flex-shrink: 0;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: var(--space-2xl) var(--space-lg);
}
.empty-state__icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-lg);
  color: var(--text-tertiary);
  opacity: 0.4;
}
.empty-state__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}
.empty-state__desc {
  font-size: 0.9rem;
  color: var(--text-tertiary);
  margin-bottom: var(--space-lg);
}

/* Pagination */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}
.pagination__btn {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  min-height: 44px;
  min-width: 44px;
}
.pagination__btn:hover:not(:disabled) {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  background: rgba(139, 92, 246, 0.04);
}
.pagination__btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}
.pagination__info {
  font-size: 0.8rem;
  color: var(--text-tertiary);
  padding: 0 var(--space-sm);
}

/* === Task Detail === */
.task-detail {
  display: grid;
  grid-template-columns: 320px minmax(0, 820px);
  gap: var(--space-lg);
  padding-top: var(--space-md);
  justify-content: center;
}

.task-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

/* 概览卡片 — 任务名 + 状态 */
.task-sidebar__overview {
  text-align: center;
  padding: var(--space-xl) var(--space-lg);
}
.task-sidebar__overview-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-heading);
  margin-bottom: var(--space-sm);
  word-break: break-word;
}
.task-sidebar__overview-status {
  margin-bottom: var(--space-md);
}
.task-sidebar__overview-progress {
  max-width: 200px;
  margin: 0 auto;
}

/* 信息行 — label/value 水平排列 */
.task-sidebar__info {
  padding: var(--space-md) var(--space-lg);
}
.task-sidebar__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 8px 0;
  border-bottom: 1px solid var(--border-default);
}
.task-sidebar__row:last-child {
  border-bottom: none;
}

.task-sidebar__section {
  padding: var(--space-md);
}

.task-sidebar__label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  flex-shrink: 0;
  margin-right: var(--space-sm);
}

.task-sidebar__value {
  font-weight: 500;
  font-size: 0.85rem;
  color: var(--text-primary);
  text-align: right;
  word-break: break-all;
}
.task-sidebar__value--mono {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* 操作按钮行 */
.task-sidebar__actions-wrap {
  display: flex;
  gap: var(--space-sm);
}

.task-result {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: var(--space-md);
}

.result-section {
  padding: var(--space-lg);
}

.result-section__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-primary);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--border-default);
}

.result-summary {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-primary);
}

/* Markdown rendered content */
.markdown-body {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-primary);
  word-wrap: break-word;
}
.markdown-body h1, .markdown-body h2, .markdown-body h3,
.markdown-body h4, .markdown-body h5, .markdown-body h6 {
  margin-top: 1.2em;
  margin-bottom: 0.6em;
  font-weight: 600;
  line-height: 1.4;
}
.markdown-body h1 { font-size: 1.5em; }
.markdown-body h2 { font-size: 1.3em; }
.markdown-body h3 { font-size: 1.15em; }
.markdown-body p { margin: 0.6em 0; }
.markdown-body ul, .markdown-body ol {
  padding-left: 1.8em;
  margin: 0.6em 0;
}
.markdown-body li { margin: 0.3em 0; }
.markdown-body li > ul, .markdown-body li > ol { margin: 0.2em 0; }
.markdown-body blockquote {
  margin: 0.8em 0;
  padding: 0.5em 1em;
  border-left: 4px solid var(--accent-primary);
  background: rgba(139, 92, 246, 0.04);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}
.markdown-body blockquote p { margin: 0.3em 0; }
.markdown-body code {
  font-family: 'Courier New', monospace;
  font-size: 0.88em;
  padding: 2px 6px;
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
}
.markdown-body pre {
  margin: 0.8em 0;
  padding: 1em;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  overflow-x: auto;
}
.markdown-body pre code {
  padding: 0;
  background: none;
  font-size: 0.85em;
}
.markdown-body strong { font-weight: 600; }
.markdown-body em { font-style: italic; }
.markdown-body hr {
  border: none;
  border-top: 1px solid var(--border-default);
  margin: 1.2em 0;
}
.markdown-body a {
  color: var(--accent-primary);
  text-decoration: underline;
}
.markdown-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.8em 0;
}
.markdown-body th, .markdown-body td {
  padding: 8px 12px;
  border: 1px solid var(--border-default);
  text-align: left;
}
.markdown-body th {
  background: var(--bg-secondary);
  font-weight: 600;
}

.result-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.tag {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: rgba(139, 92, 246, 0.08);
  color: var(--accent-primary);
  border: 1px solid rgba(139, 92, 246, 0.15);
}

.sentiment {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 600;
  font-size: 0.9rem;
}
.sentiment--positive { color: #16A34A; }
.sentiment--neutral { color: #D97706; }
.sentiment--negative { color: var(--accent-red); }

.scene-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.scene-item {
  display: grid;
  grid-template-columns: 100px 1fr auto;
  gap: var(--space-md);
  align-items: center;
  padding: var(--space-sm) var(--space-md);
  background: rgba(139, 92, 246, 0.03);
  border-left: 3px solid var(--accent-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}
.scene-item__time {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-primary);
}
.scene-item__desc {
  font-size: 0.9rem;
  color: var(--text-primary);
}
.scene-item__type {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

.keyframe-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.keyframe-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
}
.keyframe-item:hover {
  background: rgba(139, 92, 246, 0.03);
}
.keyframe-item__time {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--accent-primary);
  min-width: 50px;
}
.keyframe-item__desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* JSON viewer toggle */
.json-toggle {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-tertiary);
  background: var(--bg-secondary);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: var(--space-sm) var(--space-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  min-height: 44px;
}
.json-toggle:hover {
  border-color: var(--border-highlight);
  color: var(--text-secondary);
}

.json-viewer {
  display: none;
  background: #1E1E2E;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin-top: var(--space-sm);
  font-family: 'JetBrains Mono', 'Courier New', monospace;
  font-size: 0.85rem;
  color: #A6E3A1;
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 400px;
  overflow-y: auto;
}
.json-viewer.open {
  display: block;
}

/* === Upload Progress Section === */
.upload-progress {
  margin-top: var(--space-lg);
}
.upload-progress__file-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-md);
}
.upload-progress__filename {
  font-weight: 500;
  color: var(--text-primary);
}
.upload-progress__size {
  font-size: 0.85rem;
  color: var(--text-secondary);
}
.upload-progress__status {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent-primary);
  margin-top: var(--space-sm);
}

/* Instant upload banner */
.instant-banner {
  background: rgba(34, 197, 94, 0.08);
  border: 1px solid rgba(34, 197, 94, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  text-align: center;
  font-weight: 600;
  color: #16A34A;
}

/* === Toast Notification === */
.toast-container {
  position: fixed;
  top: 80px;
  right: var(--space-md);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-left: 3px solid var(--accent-primary);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  min-width: 280px;
  box-shadow: var(--shadow-lg);
  animation: slideInRight var(--transition-normal);
  font-size: 0.9rem;
  color: var(--text-primary);
}
.toast--success { border-left-color: #22C55E; }
.toast--error { border-left-color: var(--accent-red); }
.toast--info { border-left-color: var(--accent-primary); }

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}

/* === Loading Skeleton === */
.skeleton {
  background: linear-gradient(90deg, var(--bg-input) 25%, #E8E8ED 50%, var(--bg-input) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}
@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* === Responsive === */
.navbar__hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-secondary);
  padding: var(--space-sm);
  margin-left: auto;
}

@media (max-width: 768px) {
  .navbar {
    padding: 0 var(--space-md);
  }
  .navbar__hamburger {
    display: flex;
    align-items: center;
  }
  .navbar__links,
  .navbar__user,
  .navbar__logout {
    display: none;
  }
  .navbar.menu-open .navbar__links,
  .navbar.menu-open .navbar__user,
  .navbar.menu-open .navbar__logout {
    display: flex;
  }
  .navbar.menu-open {
    flex-wrap: wrap;
    height: auto;
    padding-bottom: var(--space-md);
  }
  .navbar.menu-open .navbar__links {
    order: 4;
    width: 100%;
    flex-direction: column;
    margin-left: 0;
    margin-top: var(--space-sm);
    padding-top: var(--space-sm);
    border-top: 1px solid var(--border-default);
  }
  .navbar.menu-open .navbar__user {
    order: 5;
    width: 100%;
    margin-left: 0;
    padding-left: 0;
    border-left: none;
    padding-top: var(--space-xs);
  }
  .navbar.menu-open .navbar__logout {
    order: 3;
    margin-left: auto;
  }
  .task-detail {
    grid-template-columns: 1fr;
  }
  .task-card {
    flex-direction: column;
    align-items: flex-start;
  }
  .task-card__progress {
    flex: 0 0 auto;
    width: 100%;
  }
  .task-card__time {
    margin-top: var(--space-xs);
  }
  .scene-item {
    grid-template-columns: 1fr;
    gap: var(--space-xs);
  }
  .dashboard-header {
    flex-direction: column;
    gap: var(--space-md);
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-sm);
  }
  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.25rem; }
  .card {
    padding: var(--space-md);
  }
}

/* === Reduced Motion === */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  body::before {
    display: none;
  }
}

/* === Scrollbar === */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--border-highlight);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-primary-light);
}

/* Utility */
.text-cyan { color: var(--accent-cyan); }
.text-red { color: var(--accent-red); }
.text-green { color: var(--accent-green); }
.text-gold { color: var(--accent-gold); }
.text-muted { color: var(--text-secondary); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mb-md { margin-bottom: var(--space-md); }
.hidden { display: none !important; }

/* === Task Card Menu === */
.task-card {
  position: relative;
}

.task-card__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.task-card__menu-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--radius-md);
  color: var(--text-tertiary);
  transition: all var(--transition-fast);
  flex-shrink: 0;
}
.task-card__menu-btn:hover {
  background: var(--bg-input);
  color: var(--text-primary);
}

.task-card__menu {
  position: absolute;
  top: 48px;
  right: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  z-index: var(--z-modal);
  min-width: 140px;
  padding: 4px 0;
}

.menu-item {
  display: block;
  width: 100%;
  padding: 10px 16px;
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  font-size: 0.85rem;
  font-family: var(--font-body);
  color: var(--text-primary);
  transition: background var(--transition-fast);
}
.menu-item:hover {
  background: var(--bg-input);
}
.menu-item--danger {
  color: var(--accent-red);
}
.menu-item--danger:hover {
  background: rgba(239, 68, 68, 0.06);
}

/* === Task Sidebar Actions === */
.task-sidebar__actions {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.task-sidebar__actions .btn {
  width: 100%;
}
.task-sidebar__actions .btn + .btn {
  margin-top: 8px;
}

/* Upload Prompt */
.upload-prompt-section {
  margin-bottom: 16px;
}
.upload-prompt__label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 6px;
}
.upload-prompt__input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 0.9rem;
  resize: vertical;
  font-family: inherit;
  box-sizing: border-box;
  transition: border-color 0.2s;
}
.upload-prompt__input:focus {
  outline: none;
  border-color: var(--primary);
}
.upload-prompt__input::placeholder {
  color: var(--text-tertiary);
}

/* Upload Confirm Section */
.upload-confirm__header {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
}
.upload-confirm__file {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  padding: 10px 14px;
  background: var(--bg-tertiary);
  border-radius: 10px;
  font-size: 0.9rem;
}
.upload-confirm__file span:first-child {
  font-weight: 500;
  color: var(--text-primary);
}
.upload-confirm__prompt {
  margin-bottom: 0;
}
.upload-confirm__textarea {
  width: 100%;
  min-height: 260px;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 0.9rem;
  resize: vertical;
  font-family: inherit;
  box-sizing: border-box;
  transition: border-color 0.2s;
}
.upload-confirm__textarea:focus {
  outline: none;
  border-color: var(--primary);
}
.upload-confirm__textarea::placeholder {
  color: var(--text-tertiary);
}

/* === RAG Import === */
.rag-import-layout {
  display: grid;
  gap: var(--space-lg);
  padding-top: var(--space-md);
}

.rag-import-guard {
  margin-bottom: var(--space-lg);
  border-left: 4px solid var(--accent-red);
  color: var(--text-secondary);
}

.rag-import--disabled {
  opacity: 0.55;
  pointer-events: none;
}

.rag-upload-zone {
  min-height: 260px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.rag-import-form {
  display: grid;
  gap: var(--space-md);
}

.rag-import-check {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.rag-import-check input {
  accent-color: var(--accent-primary);
}

.rag-files-card,
.rag-results-list {
  display: grid;
  gap: var(--space-md);
}

.rag-files-empty {
  padding-left: 0;
  padding-right: 0;
}

.rag-files-list {
  display: grid;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.rag-file-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  background: linear-gradient(180deg, rgba(255,255,255,0.96), rgba(248,248,250,0.96));
}

.rag-file-item__meta {
  min-width: 0;
}

.rag-file-item__name {
  font-weight: 600;
  color: var(--text-heading);
  word-break: break-word;
}

.rag-file-item__size {
  margin-top: 4px;
  font-size: 0.82rem;
  color: var(--text-tertiary);
}

.rag-file-item__remove {
  flex-shrink: 0;
}

.rag-results-summary {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.rag-results-summary__item {
  padding: 8px 12px;
  border-radius: var(--radius-full);
  background: rgba(139, 92, 246, 0.08);
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.rag-result-card {
  padding: var(--space-lg);
}

.rag-result-card__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-md);
}

.rag-result-card__file {
  font-weight: 700;
  color: var(--text-heading);
  word-break: break-word;
}

.rag-result-card__code {
  margin-top: 4px;
  font-family: 'JetBrains Mono', 'Courier New', monospace;
  font-size: 0.8rem;
  color: var(--text-tertiary);
}

.rag-result-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-top: var(--space-md);
  color: var(--text-secondary);
  font-size: 0.86rem;
}

.rag-result-card__message {
  margin-top: var(--space-sm);
  color: var(--text-primary);
  font-size: 0.9rem;
  word-break: break-word;
}

/* ---- RAG Preview Step ---- */
.rag-step-preview__actions {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
}

#rag-preview-count {
  margin: var(--space-sm) 0 var(--space-md);
  font-size: 0.92rem;
}

.rag-preview-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.rag-preview-card {
  border: 1px solid var(--border-color);
}

.rag-preview-card__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-sm);
}

.rag-preview-card__file {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-style: italic;
}

.rag-preview-card__fields {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.rag-preview-card__fields .form-row {
  display: grid;
  grid-template-columns: 1fr 180px;
  gap: var(--space-sm);
}

.form-group--flex {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.rag-preview-card__textarea {
  width: 100%;
  min-height: 200px;
  font-family: 'Fira Code', 'Cascadia Code', monospace;
  font-size: 0.85rem;
  line-height: 1.5;
  resize: vertical;
}

.rag-preview-card__switches {
  display: flex;
  gap: var(--space-lg);
  padding-top: var(--space-xs);
  border-top: 1px solid var(--border-light);
  margin-top: var(--space-xs);
}

/* ---- RAG Cards Management ---- */
.rc-header-actions {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
}

.rc-filters {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-md);
}

.rc-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.rc-table th {
  text-align: left;
  padding: var(--space-sm) var(--space-md);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 2px solid var(--border-color);
}

.rc-table td {
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--border-light);
  color: var(--text-primary);
  vertical-align: middle;
}

.rc-row:hover {
  background: var(--surface-card-hover);
}

.rc-cell-code {
  font-family: 'Fira Code', monospace;
  font-size: 0.82rem;
  color: var(--accent-primary);
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.rc-cell-title {
  max-width: 240px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.rc-cell-actions {
  display: flex;
  gap: 4px;
  white-space: nowrap;
}

.rc-tag {
  display: inline-block;
  padding: 1px 8px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.rc-loading {
  text-align: center;
  color: var(--text-muted);
  padding: var(--space-lg);
}

/* Edit Panel */
.rc-edit-panel {
  margin-top: var(--space-lg);
  border: 2px solid var(--accent-primary);
}

.rc-edit-code {
  color: var(--accent-primary);
  font-family: 'Fira Code', monospace;
  font-size: 0.9rem;
}

.rc-edit-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

/* Delete Dialog */
.rc-delete-dialog {
  margin-top: var(--space-lg);
  border: 2px solid var(--red);
}

.rc-delete-body {
  padding: var(--space-sm) 0;
  color: var(--text-primary);
}

.rc-delete-actions {
  display: flex;
  gap: var(--space-sm);
  justify-content: flex-end;
  margin-top: var(--space-md);
}

/* ---- Pagination ---- */
.rc-pagination {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  justify-content: flex-end;
}
.rc-page-info {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-right: var(--space-sm);
}

/* ---- Detail Modal ---- */
.rc-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 1000;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 40px 20px;
  overflow-y: auto;
}
.rc-modal {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 900px;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
}
.rc-modal__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--border-default);
  position: sticky;
  top: 0;
  background: var(--bg-card);
  z-index: 1;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.rc-modal__header h2 {
  margin: 0;
  font-size: 1.25rem;
  color: var(--text-primary);
}
.rc-modal__body {
  padding: var(--space-lg);
}
.rc-modal__meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xs) var(--space-lg);
  margin-bottom: var(--space-md);
}
.rc-label {
  color: var(--text-secondary);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.rc-detail-md {
  max-height: 50vh;
  overflow-y: auto;
  padding: var(--space-md);
  background: var(--bg-primary);
  border-radius: var(--radius-md);
  font-size: 0.92rem;
  line-height: 1.7;
}
.rc-detail-md h1, .rc-detail-md h2, .rc-detail-md h3 {
  color: var(--accent-primary);
}
.rc-detail-md table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
.rc-detail-md th, .rc-detail-md td {
  border: 1px solid var(--border-default);
  padding: 4px 8px;
  text-align: left;
}
.rc-modal__footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg) var(--space-md);
  border-top: 1px solid var(--border-default);
}
.rev-score { font-weight: 700; font-size: 0.9rem; text-align: center; }

/* 片段复盘：播放器属于当前片段，时间标记作为轻量证据入口。 */
.segment-overview { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 8px 2px; }
.segment-overview h3 { margin: 0 0 5px; font-size: 1.05rem; color: var(--text-heading); }
.segment-overview p { margin: 0; font-size: .8rem; color: var(--text-secondary); }
.segment-count { flex-shrink: 0; font-size: .78rem; color: var(--text-secondary); }
.segment-count strong { font-size: 1.05rem; color: var(--accent-primary); }
.segment-card { padding: 0; overflow: hidden; border: 1px solid var(--border-default); }
.segment-card::before { display: none; }
.segment-card.is-playing { border-color: var(--accent-primary-light); }
.segment-card__header { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 20px 24px; border-bottom: 1px solid var(--border-default); }
.segment-card__identity { display: flex; align-items: center; gap: 12px; min-width: 0; }
.segment-number { display: grid; place-items: center; flex-shrink: 0; width: 38px; height: 42px; background: #f3efff; border-radius: 10px; color: var(--accent-primary-dark); font: 600 .85rem var(--font-display); }
.segment-card__identity h3 { margin: 0 0 6px; font-size: .94rem; }
.segment-range { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; font-size: .73rem; color: var(--text-secondary); }
.segment-range > span:first-child { margin-right: 3px; color: var(--text-tertiary); }
.segment-range time { font-variant-numeric: tabular-nums; }
.segment-card__actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.segment-status { display: inline-flex; align-items: center; gap: 5px; font-size: .72rem; white-space: nowrap; color: var(--text-secondary); }
.segment-status::before { content: ''; width: 5px; height: 5px; border-radius: 50%; background: #9ca3af; }
.segment-status--success { color: #16834b; }
.segment-status--success::before { background: #22a864; }
.segment-status--error { color: #cf4855; }
.segment-status--error::before { background: #e66773; }
.segment-play { display: inline-flex; align-items: center; justify-content: center; gap: 5px; min-height: 34px; padding: 6px 12px; border: 1px solid #ded5f6; border-radius: 8px; color: var(--accent-primary-dark); background: #faf8ff; font: 500 .76rem var(--font-body); cursor: pointer; white-space: nowrap; }
.segment-play:hover { background: #f0eaff; border-color: var(--accent-primary-light); }
.segment-card__body { padding: 22px 24px; }
.segment-card.is-playing .segment-card__body { display: grid; grid-template-columns: minmax(0, .95fr) minmax(0, 1fr); align-items: start; gap: 24px; }
.segment-media { min-width: 0; }
.segment-media__slot { background: #17171e; border-radius: 10px; overflow: hidden; aspect-ratio: 16 / 9; }
.segment-video { display: block; width: 100%; height: 100%; aspect-ratio: 16 / 9; object-fit: contain; }
.segment-media > p { margin: 8px 0 0; font-size: .68rem; color: var(--text-secondary); text-align: center; }
.segment-analysis { min-width: 0; font-size: .86rem; line-height: 1.8; overflow-wrap: anywhere; }
.segment-summary { margin: 0; white-space: pre-wrap; color: var(--text-primary); }
.segment-section-title { margin: 22px 0 10px; font-size: .76rem; font-weight: 600; color: var(--text-secondary); }
.segment-event { display: grid; grid-template-columns: auto 1fr; gap: 12px; align-items: baseline; margin: 8px 0; }
.segment-event p { margin: 0; }
.segment-time { display: inline-flex; align-items: center; justify-content: center; gap: 3px; flex-shrink: 0; min-height: 30px; padding: 2px 5px; border: 0; border-radius: 5px; background: transparent; color: var(--accent-primary-dark); font: 500 .74rem var(--font-body); font-variant-numeric: tabular-nums; white-space: nowrap; cursor: pointer; }
.segment-time:hover { background: #f1ebff; }
.segment-time svg { opacity: .65; }
.segment-time:focus-visible, .segment-play:focus-visible { outline: 2px solid var(--accent-primary); outline-offset: 3px; }
.segment-advice { padding: 12px 14px; background: #f8f6fc; border-radius: 10px; margin: 10px 0; }
.segment-advice__title { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.segment-advice__title strong { font-size: .85rem; font-weight: 600; }
.segment-advice > p { margin: 6px 0 0; white-space: pre-wrap; }
.segment-basis { margin-top: 9px; padding-top: 8px; border-top: 1px solid #ebe5f5; font-size: .73rem; color: var(--text-secondary); }
.segment-uncertainties { margin-top: 20px; padding-top: 14px; border-top: 1px dashed var(--border-default); color: var(--text-secondary); font-size: .77rem; }
.segment-uncertainties h4 { font-size: inherit; font-weight: 500; margin: 0 0 5px; }
.segment-uncertainties ul { margin: 0; padding-left: 18px; }
.segment-error { margin: 0; color: #cf4855; }
.segment-empty { margin: 0; color: var(--text-secondary); font-size: .8rem; }
.segment-reused { display: inline-block; margin-bottom: 8px; font-size: .72rem; color: var(--text-secondary); }
@media (max-width: 1150px) {
  .segment-card.is-playing .segment-card__body { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .segment-media { width: 100%; max-width: 560px; margin-inline: auto; }
}
@media (max-width: 600px) {
  .segment-card__header { flex-wrap: wrap; padding: 16px; gap: 12px; }
  .segment-card__actions { width: 100%; justify-content: space-between; padding-left: 50px; }
  .segment-card__body { padding: 16px; }
  .segment-overview { gap: 8px; }
  .segment-overview p { max-width: 220px; }
  .segment-time { min-height: 36px; }
}

/* 部分完成仍可查看已保存结果。 */
.badge--partial { color: var(--text-primary); background: rgba(245,158,11,.14); border-color: rgba(245,158,11,.3); }

/* AI 费用：金额由后端精确汇总，移动端表格在卡片内滚动。 */
.task-cost { padding: 24px; margin-bottom: 24px; min-width: 0; }
.task-cost__heading { display:flex; justify-content:space-between; align-items:flex-start; gap:16px; }
.task-cost__heading h3 { margin:0 0 6px; font-size:17px; }
.task-cost__heading p,.task-cost__muted { color:var(--text-secondary); font-size:12px; font-weight:400; line-height:1.7; }
.task-cost__heading p { margin:0; }
.task-cost__metrics { display:grid; grid-template-columns:1fr 1fr; gap:16px; margin:22px 0 16px; }
.task-cost__metric { min-width:0; padding:18px; border:1px solid var(--border-default); border-radius:12px; background:var(--bg-primary); }
.task-cost__metric>span { display:block; color:var(--text-secondary); font-size:13px; }
.task-cost__metric strong { display:block; margin:8px 0; font-size:24px; font-variant-numeric:tabular-nums; overflow-wrap:anywhere; }
.task-cost__metric small { color:var(--text-secondary); font-size:12px; line-height:1.6; }
.task-cost__details summary { color:var(--accent-primary-dark); cursor:pointer; font-size:13px; padding:8px 0; }
.task-cost__table-wrap { max-width:100%; overflow-x:auto; margin-top:16px; }
.task-cost table { width:100%; min-width:520px; border-collapse:collapse; font-size:12px; text-align:left; }
.task-cost caption { text-align:left; color:var(--text-secondary); margin-bottom:12px; font-size:12px; }
.task-cost th,.task-cost td { border-bottom:1px solid var(--border-default); padding:12px 8px; vertical-align:top; line-height:1.6; font-variant-numeric:tabular-nums; }
.task-cost td { white-space:nowrap; }
.task-cost thead th { color:var(--text-secondary); font-weight:500; }
.task-cost tbody th { font-weight:500; }
.task-cost__pending { color:#a45c10; }
@media(max-width:600px) {
  .task-cost { padding:16px; }
  .task-cost__metrics { grid-template-columns:1fr; gap:10px; }
  .task-cost__metric { padding:14px; }
  .task-cost__metric strong { font-size:23px; }
}

/* 紧凑片段导航：只展开当前片段，避免整页堆叠分析报告。 */
.segment-picker { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 8px; max-height: 230px; overflow-y: auto; padding: 3px; }
.segment-picker__item { min-width: 0; text-align: left; padding: 12px 14px; border: 1px solid var(--border-default); border-radius: 12px; background: var(--bg-card, #fff); color: var(--text-heading); cursor: pointer; font: inherit; }
.segment-picker__item > span { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.segment-picker__item strong { font-size: .85rem; }
.segment-picker__item small { display: block; margin-top: 7px; color: var(--text-secondary); font-size: .72rem; font-variant-numeric: tabular-nums; white-space: nowrap; }
.segment-picker__status { color: var(--text-secondary); font-size: .7rem; }
.segment-picker__status.is-error { color: #dc3545; }
.segment-picker__item:hover, .segment-picker__item.is-selected { border-color: var(--accent-primary); background: color-mix(in srgb, var(--accent-primary) 10%, white); }
.segment-picker__item:focus-visible { outline: 2px solid var(--accent-primary); outline-offset: 1px; }
.segment-pagination { display: flex; align-items: center; justify-content: space-between; gap: 12px; color: var(--text-secondary); font-size: .8rem; }
.segment-pagination > div { display: flex; gap: 6px; }
.segment-pagination button:disabled { opacity: .35; cursor: default; }
@media (max-width: 600px) {
  .segment-picker { display: flex; overflow-x: auto; overflow-y: hidden; max-height: none; scroll-snap-type: x proximity; }
  .segment-picker__item { flex: 0 0 185px; scroll-snap-align: start; }
}

/* 左栏任务概况，右栏片段工作区。 */
.task-detail { grid-template-columns: 300px minmax(0, 1fr); align-items: start; }
.task-context { display: flex; flex-direction: column; gap: 16px; min-width: 0; }
.task-sidebar { display: flex; flex-direction: column; align-items: stretch; gap: 16px; padding: 20px; }
.task-sidebar__overview { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px; padding: 0; text-align: left; min-width: 0; }
.task-sidebar__overview-name { margin: 0; font-size: 1.2rem; }
.task-sidebar__overview-status { margin: 0; }
.task-sidebar__overview-progress { flex-basis: 100%; max-width: none; margin: 0; }
.task-sidebar__actions-wrap { flex-wrap: wrap; }
.task-sidebar__actions-wrap .btn { white-space: nowrap; }
.task-metadata { grid-column: 1 / -1; border-top: 1px solid var(--border-default); padding-top: 12px; }
.task-metadata summary { width: fit-content; cursor: pointer; color: var(--text-secondary); font-size: .8rem; }
.task-metadata summary span { margin-left: 10px; color: var(--text-tertiary); font-size: .75rem; }
.task-sidebar__info { display: grid; grid-template-columns: minmax(0, 1fr); padding: 12px 0 0; }
.task-sidebar__row { gap: 12px; }
.task-context .task-cost { padding: 20px; margin-bottom: 0; }
.task-context .task-cost__metrics { grid-template-columns: minmax(0, 1fr); gap: 10px; margin-top: 16px; }
.task-context .task-cost__metric { padding: 14px; }
.task-context .task-cost__metric strong { font-size: 22px; }
.task-context .task-metadata summary span { display: none; }
@media (max-width: 900px) {
  .task-detail { grid-template-columns: minmax(0, 1fr); }
  .task-sidebar { grid-template-columns: minmax(0, 1fr); padding: 18px; gap: 14px; }
  .task-sidebar__actions-wrap { grid-column: 1; grid-row: 2; }
  .task-sidebar__info { grid-template-columns: minmax(0, 1fr); }
  .task-metadata summary span { display: none; }
}

/* 概览始终可见，分析与完整费用表按视图切换。 */
.task-detail { grid-template-columns: minmax(0, 1140px); }
.task-context { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 16px; }
.task-sidebar { justify-content: center; }
.task-sidebar__actions-wrap { order: 1; flex: 0; align-self: flex-start; }
.task-metadata { order: 2; }
.task-cost-shortcuts { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.task-cost-shortcuts button { text-align: left; padding: 18px 14px; border: 1px solid var(--border-default); border-radius: 16px; background: var(--bg-card, white); color: var(--text-heading); cursor: pointer; min-width: 0; }
.task-cost-shortcuts span, .task-cost-shortcuts small { display: block; color: var(--text-secondary); font-size: 12px; line-height: 1.6; }
.task-cost-shortcuts strong { display: block; font-size: 19px; margin: 10px 0; overflow-wrap: anywhere; font-variant-numeric: tabular-nums; }
.task-cost-shortcuts button:hover { border-color: var(--accent-primary); }
.task-view-tabs { display: flex; gap: 24px; border-bottom: 1px solid var(--border-default); }
.task-view-tabs button { border: 0; border-bottom: 3px solid transparent; background: none; padding: 12px 4px; color: var(--text-secondary); font: inherit; cursor: pointer; }
.task-view-tabs button[aria-selected="true"] { color: var(--accent-primary); border-bottom-color: var(--accent-primary); font-weight: 600; }
.task-detail [hidden] { display: none !important; }
.segment-cost-summary { grid-column: 1 / -1; display: flex; align-items: center; flex-wrap: wrap; gap: 12px 24px; padding-bottom: 14px; margin-bottom: 14px; border-bottom: 1px solid var(--border-default); color: var(--text-secondary); font-size: 12px; }
.segment-cost-summary strong { color: var(--text-heading); margin-left: 6px; }
.segment-cost-summary button { margin-left: auto; border: 0; background: none; color: var(--accent-primary); cursor: pointer; }
@media (max-width: 700px) {
  .task-context { grid-template-columns: minmax(0, 1fr); }
  .task-cost-shortcuts strong { font-size: 18px; }
}