/* 镜·MindLens — 全局样式
   从 index.html 抽出,Vue/框架化时再按组件拆分 */
  @import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;500;600;700&family=Noto+Sans+SC:wght@300;400;500&display=swap');

  :root {
    --bg: #0b0b0d;
    --bg-overlay: rgba(11, 11, 13, 0.92);
    --text: #ebe8e3;
    --text-soft: rgba(235, 232, 227, 0.55);
    --text-faint: rgba(235, 232, 227, 0.28);
    --accent: #d4a574;
    --accent-soft: rgba(212, 165, 116, 0.55);
    --accent-glow: rgba(212, 165, 116, 0.25);
    --line: rgba(255, 255, 255, 0.06);
    --line-strong: rgba(255, 255, 255, 0.12);
    --warn: #d47474;
    --serif: 'Noto Serif SC', 'Songti SC', serif;
    --sans: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
  }

  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
  }

  html, body {
    height: 100%;
    background: var(--bg);
    color: var(--text);
    font-family: var(--sans);
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
  }

  /* ==================== 屏幕容器 ==================== */
  .screen {
    position: fixed;
    inset: 0;
    display: flex;
    flex-direction: column;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.6s ease;
    overflow: hidden;
  }
  .screen.active {
    opacity: 1;
    pointer-events: auto;
  }

  @media (min-width: 768px) {
    .screen {
      max-width: 720px;
      margin: 0 auto;
      left: 0;
      right: 0;
    }
  }

  /* ==================== 共享 header ==================== */
  .top-bar {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px 12px;
    user-select: none;
  }
  .back-btn {
    width: 32px;
    height: 32px;
    background: transparent;
    border: 1px solid var(--line);
    border-radius: 50%;
    color: var(--text-soft);
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
  }
  .back-btn:hover {
    border-color: var(--text-soft);
    color: var(--text);
  }
  .brand-mark {
    font-family: var(--serif);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 6px;
    color: var(--text-soft);
  }
  .top-bar-spacer {
    width: 32px;
  }

  /* ==================== 起始屏 ==================== */
  #screen-home {
    justify-content: center;
    align-items: center;
    padding: 32px 28px;
  }
  .home-content {
    width: 100%;
    max-width: 520px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .logo {
    font-family: var(--serif);
    font-size: 44px;
    font-weight: 600;
    letter-spacing: 10px;
    color: var(--text);
    margin-bottom: 8px;
    animation: breath 4s ease-in-out infinite;
  }
  .logo-sub {
    font-size: 11px;
    letter-spacing: 4px;
    color: var(--text-faint);
    text-transform: uppercase;
    margin-bottom: 80px;
  }
  .ask {
    font-family: var(--serif);
    font-weight: 500;
    font-size: 28px;
    line-height: 1.7;
    letter-spacing: 2px;
    color: var(--text);
    margin-bottom: 36px;
  }
  .home-input {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--line);
    color: var(--text);
    font-family: var(--sans);
    font-size: 16px;
    line-height: 1.7;
    padding: 12px 4px;
    resize: none;
    outline: none;
    text-align: center;
    transition: border-color 0.4s ease;
  }
  .home-input::placeholder {
    color: var(--text-faint);
    font-weight: 300;
  }
  .home-input:focus {
    border-bottom-color: var(--accent-soft);
  }
  .home-btn {
    margin-top: 40px;
    padding: 14px 48px;
    background: transparent;
    color: var(--accent);
    border: 1px solid var(--accent-soft);
    font-family: var(--sans);
    font-size: 13px;
    letter-spacing: 6px;
    cursor: pointer;
    transition: all 0.4s ease;
    opacity: 0.4;
    pointer-events: none;
  }
  .home-btn.ready {
    opacity: 1;
    pointer-events: auto;
  }
  .home-btn.ready:hover {
    background: var(--accent-glow);
    letter-spacing: 8px;
  }
  .hint-toggle {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 24px;
    padding: 10px 18px;
    background: transparent;
    border: 1px solid var(--line);
    border-radius: 24px;
    color: var(--text-faint);
    font-family: var(--sans);
    cursor: pointer;
    transition: all 0.3s ease;
  }
  .hint-toggle:hover {
    border-color: var(--line-strong);
  }
  .hint-toggle.on {
    border-color: var(--accent-soft);
    color: var(--accent);
  }
  .hint-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--line);
    transition: all 0.3s ease;
    flex-shrink: 0;
  }
  .hint-toggle.on .hint-dot {
    background: var(--accent);
    box-shadow: 0 0 8px var(--accent-glow);
  }
  .hint-label {
    font-size: 12px;
    letter-spacing: 2px;
  }
  .hint-sub {
    font-size: 10px;
    letter-spacing: 1px;
    color: var(--text-faint);
    margin-left: 4px;
  }
  .hint-toggle.on .hint-sub {
    color: var(--accent-soft);
  }

  .home-footer {
    position: absolute;
    bottom: 32px;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    gap: 32px;
  }
  .footer-link {
    background: transparent;
    border: none;
    color: var(--text-faint);
    font-family: var(--sans);
    font-size: 11px;
    letter-spacing: 3px;
    cursor: pointer;
    padding: 4px 0;
    transition: color 0.3s ease;
  }
  .footer-link:hover {
    color: var(--text-soft);
  }
  .home-warning {
    position: absolute;
    top: 24px;
    left: 24px;
    right: 24px;
    font-size: 11px;
    text-align: center;
    color: var(--warn);
    letter-spacing: 1px;
    display: none;
  }
  .home-warning.show {
    display: block;
  }

  @keyframes breath {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.78; }
  }

  /* ==================== 对话屏 ==================== */
  #screen-dialogue {
    padding: 0;
  }
  .dialogue-header {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px 0;
  }
  .question-area {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 32px 24px;
    overflow-y: auto;
  }
  .question-text {
    font-family: var(--serif);
    font-weight: 500;
    font-size: 24px;
    line-height: 1.85;
    letter-spacing: 1px;
    color: var(--text);
    text-align: left;
    width: 100%;
    max-width: 580px;
    transition: opacity 0.35s ease;
    white-space: pre-wrap;
    word-break: break-word;
  }
  .question-text.thinking {
    font-family: var(--sans);
    font-size: 13px;
    letter-spacing: 4px;
    color: var(--text-faint);
    text-align: center;
    animation: thinking 1.4s ease-in-out infinite;
  }
  .question-text.error {
    font-family: var(--sans);
    font-size: 14px;
    color: var(--warn);
    text-align: center;
    line-height: 1.7;
  }
  .question-text .caret {
    display: inline-block;
    width: 8px;
    height: 1.05em;
    background: var(--accent);
    vertical-align: text-bottom;
    margin-left: 2px;
    animation: caret 0.8s steps(2) infinite;
  }

  @keyframes thinking {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.7; }
  }
  @keyframes caret {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
  }

  .input-bar {
    flex-shrink: 0;
    display: flex;
    align-items: flex-end;
    gap: 12px;
    padding: 16px 24px 12px;
    border-top: 1px solid var(--line);
    background: var(--bg);
  }
  .reply-input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text);
    font-family: var(--sans);
    font-size: 16px;
    line-height: 1.6;
    padding: 8px 0;
    resize: none;
    outline: none;
    max-height: 120px;
  }
  .reply-input::placeholder {
    color: var(--text-faint);
  }
  .reply-input:disabled {
    opacity: 0.4;
    cursor: not-allowed;
  }
  .reply-btn {
    width: 38px;
    height: 38px;
    flex-shrink: 0;
    border: 1px solid var(--line);
    border-radius: 50%;
    background: transparent;
    color: var(--text-faint);
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .reply-btn.ready {
    border-color: var(--accent);
    color: var(--accent);
  }
  .reply-btn.ready:hover {
    background: var(--accent);
    color: var(--bg);
    box-shadow: 0 0 16px var(--accent-glow);
  }
  .reply-btn:disabled { cursor: not-allowed; }

  /* 脚手架折叠卡片 */
  .scaffold-card {
    flex-shrink: 0;
    display: none;
    flex-direction: column;
    margin: 0 24px 8px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(212, 165, 116, 0.04);
    overflow: hidden;
    opacity: 0;
    transform: translateY(6px);
    transition: opacity 1.2s ease, transform 1.2s ease;
  }
  .scaffold-card.show {
    display: flex;
    opacity: 1;
    transform: translateY(0);
  }
  .scaffold-toggle {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: transparent;
    border: none;
    color: var(--accent);
    font-family: var(--sans);
    font-size: 12px;
    letter-spacing: 2px;
    cursor: pointer;
    text-align: left;
    transition: background 0.3s ease;
  }
  .scaffold-toggle:hover {
    background: var(--accent-glow);
  }
  .scaffold-icon {
    font-size: 14px;
  }
  .scaffold-label {
    flex: 1;
  }
  .scaffold-arrow {
    color: var(--accent-soft);
    font-size: 12px;
    transition: transform 0.3s ease;
  }
  .scaffold-card.expanded .scaffold-arrow {
    transform: rotate(180deg);
  }
  .scaffold-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.3s ease;
    padding: 0 18px;
    font-family: var(--serif);
    font-size: 14px;
    line-height: 1.85;
    color: var(--text-soft);
    border-top: 1px solid transparent;
  }
  .scaffold-card.expanded .scaffold-content {
    max-height: 460px;
    padding: 14px 18px 18px;
    border-top-color: var(--line);
    overflow-y: auto;
  }
  .scaffold-content::-webkit-scrollbar { width: 2px; }
  .scaffold-content::-webkit-scrollbar-thumb { background: var(--line); }

  /* 完成态:替代输入条的"看快照"入口 */
  .completion-bar {
    flex-shrink: 0;
    display: none;
    flex-direction: column;
    align-items: center;
    gap: 18px;
    padding: 28px 24px 32px;
    border-top: 1px solid var(--line);
    background: var(--bg);
    opacity: 0;
    transition: opacity 0.7s ease;
  }
  .completion-bar.show {
    display: flex;
    opacity: 1;
  }
  .completion-hint {
    font-family: var(--serif);
    font-size: 13px;
    color: var(--text-soft);
    letter-spacing: 1.5px;
  }
  .completion-btn {
    padding: 14px 36px;
    background: transparent;
    border: 1px solid var(--accent-soft);
    color: var(--accent);
    font-family: var(--sans);
    font-size: 13px;
    letter-spacing: 4px;
    cursor: pointer;
    transition: all 0.4s ease;
  }
  .completion-btn:hover {
    background: var(--accent-glow);
    border-color: var(--accent);
    letter-spacing: 6px;
  }

  .status-bar {
    flex-shrink: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 24px 14px;
    font-size: 11px;
    letter-spacing: 3px;
    color: var(--text-faint);
    text-transform: uppercase;
    user-select: none;
  }
  .phase-badge {
    transition: opacity 0.3s ease, transform 0.3s ease;
  }
  .phase-badge.morphing {
    opacity: 0;
    transform: translateY(-4px);
  }
  .phase-badge .num {
    color: var(--accent-soft);
    margin-left: 4px;
  }
  .history-toggle {
    background: transparent;
    border: none;
    color: var(--text-faint);
    font-family: var(--sans);
    font-size: 11px;
    letter-spacing: 3px;
    cursor: pointer;
    padding: 4px 0;
    transition: color 0.3s ease;
  }
  .history-toggle:hover {
    color: var(--text-soft);
  }

  .light-beam {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1.5px;
    background: linear-gradient(90deg,
      transparent 0%,
      var(--accent-soft) 20%,
      var(--accent) 50%,
      var(--accent-soft) 80%,
      transparent 100%);
    box-shadow: 0 0 12px var(--accent-glow);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-2px);
    z-index: 5;
  }
  .light-beam.falling {
    animation: beamFall 1100ms cubic-bezier(0.65, 0.05, 0.36, 1) forwards;
  }
  @keyframes beamFall {
    0% { opacity: 0; transform: translateY(-2px); }
    15% { opacity: 1; }
    85% { opacity: 1; }
    100% { opacity: 0; transform: translateY(100vh); }
  }

  /* ==================== 历史回看 ==================== */
  .history-overlay {
    position: fixed;
    inset: 0;
    background: var(--bg-overlay);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
    z-index: 10;
    display: flex;
    flex-direction: column;
  }
  .history-overlay.active {
    opacity: 1;
    pointer-events: auto;
  }
  .history-inner {
    width: 100%;
    max-width: 720px;
    margin: 0 auto;
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 60px 28px 24px;
    overflow: hidden;
  }
  .history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--line);
    margin-bottom: 24px;
    font-size: 11px;
    letter-spacing: 3px;
    color: var(--text-faint);
    text-transform: uppercase;
  }
  .history-close {
    background: transparent;
    border: none;
    color: var(--text-soft);
    font-family: var(--sans);
    font-size: 11px;
    letter-spacing: 3px;
    cursor: pointer;
    text-transform: uppercase;
  }
  .history-close:hover { color: var(--accent); }
  .history-list {
    flex: 1;
    overflow-y: auto;
    list-style: none;
    padding-bottom: 32px;
  }
  .history-list::-webkit-scrollbar { width: 2px; }
  .history-list::-webkit-scrollbar-thumb { background: var(--line); }
  .history-item {
    margin-bottom: 22px;
    padding-bottom: 22px;
    border-bottom: 1px dashed var(--line);
  }
  .history-item:last-child { border-bottom: none; }
  .history-role {
    display: block;
    font-size: 10px;
    letter-spacing: 3px;
    color: var(--accent-soft);
    margin-bottom: 6px;
    text-transform: uppercase;
  }
  .history-role.user { color: var(--text-faint); }
  .history-text {
    font-family: var(--serif);
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-soft);
  }
  .history-text.user {
    font-family: var(--sans);
    color: var(--text);
    padding-left: 12px;
    border-left: 1px solid var(--line);
  }
  .history-empty {
    text-align: center;
    color: var(--text-faint);
    font-size: 13px;
    padding: 60px 0;
  }

  /* ==================== 决策快照 ==================== */
  #screen-snapshot {
    background: var(--bg);
  }
  .snapshot-area {
    position: relative;
    flex: 1;
    overflow-y: auto;
    padding: 20px 48px 60px;
  }
  .snapshot-area::-webkit-scrollbar { width: 2px; }
  .snapshot-area::-webkit-scrollbar-thumb { background: var(--line); }

  .snapshot-section {
    padding: 32px 0;
    border-bottom: 1px solid var(--line);
  }
  .snapshot-section:first-child {
    padding-top: 16px;
  }
  .snapshot-section:last-of-type {
    border-bottom: none;
  }
  .snapshot-eyebrow {
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 6px;
    color: var(--accent-soft);
    text-transform: uppercase;
    margin-bottom: 18px;
  }
  .snapshot-eyebrow-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 18px;
  }
  .snapshot-eyebrow-row .snapshot-eyebrow {
    margin-bottom: 0;
  }
  .snapshot-body {
    font-family: var(--serif);
    font-size: 17px;
    line-height: 1.9;
    color: var(--text);
    letter-spacing: 0.5px;
  }
  .snapshot-body.title {
    font-size: 26px;
    line-height: 1.55;
    font-weight: 600;
    letter-spacing: 1.5px;
  }
  .snapshot-body.muted {
    color: var(--text-soft);
  }
  .snapshot-tag {
    display: inline-block;
    padding: 3px 10px;
    border: 1px solid var(--line-strong);
    border-radius: 12px;
    font-family: var(--sans);
    font-size: 10px;
    letter-spacing: 3px;
    color: var(--accent);
    text-transform: uppercase;
  }
  .snapshot-premortem-row {
    margin-bottom: 22px;
  }
  .snapshot-premortem-row:last-child {
    margin-bottom: 0;
  }
  .snapshot-premortem-tag {
    display: block;
    font-family: var(--sans);
    font-size: 10px;
    letter-spacing: 4px;
    color: var(--text-faint);
    margin-bottom: 8px;
    text-transform: uppercase;
  }

  /* Hero quote — 用户最重的那句话 */
  .snapshot-quote-block {
    padding: 16px 0 0;
  }
  .snapshot-quote-mark {
    font-family: var(--serif);
    font-size: 36px;
    color: var(--accent-soft);
    line-height: 1;
    margin-bottom: -8px;
    user-select: none;
  }
  .snapshot-quote {
    font-family: var(--serif);
    font-style: italic;
    font-size: 20px;
    line-height: 1.85;
    color: var(--text);
    padding: 0 8px 0 24px;
    letter-spacing: 0.5px;
  }
  .snapshot-quote-end {
    text-align: right;
    font-family: var(--serif);
    font-size: 36px;
    color: var(--accent-soft);
    line-height: 1;
    margin-top: -8px;
    user-select: none;
  }

  /* 信心点阵 */
  .confidence-block {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 4px 0 0;
  }
  .confidence-dots {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
  }
  .confidence-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--line);
    transition: background 0.4s ease;
  }
  .confidence-dot.filled {
    background: var(--accent);
    box-shadow: 0 0 8px var(--accent-glow);
  }
  .confidence-row {
    display: flex;
    align-items: baseline;
    gap: 14px;
  }
  .confidence-num {
    font-family: var(--serif);
    font-size: 32px;
    font-weight: 500;
    color: var(--text);
  }
  .confidence-num small {
    font-size: 14px;
    color: var(--text-faint);
    margin-left: 2px;
    font-weight: 400;
  }
  .confidence-meaning {
    font-family: var(--serif);
    font-size: 15px;
    color: var(--text-soft);
    letter-spacing: 1px;
  }

  .calibration-block {
    margin-top: 40px;
    padding: 32px 24px;
    border: 1px solid var(--line);
    border-radius: 4px;
    text-align: center;
  }
  .calibration-eyebrow {
    font-size: 10px;
    letter-spacing: 5px;
    color: var(--accent-soft);
    text-transform: uppercase;
    margin-bottom: 14px;
  }
  .calibration-body {
    font-family: var(--serif);
    font-size: 16px;
    line-height: 1.95;
    color: var(--text-soft);
    margin-bottom: 14px;
    letter-spacing: 0.5px;
  }
  .calibration-date {
    font-family: var(--sans);
    font-size: 13px;
    letter-spacing: 3px;
    color: var(--accent);
  }

  .snapshot-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-top: 40px;
  }
  .end-btn {
    padding: 12px 32px;
    background: transparent;
    border: 1px solid var(--line);
    color: var(--text-soft);
    font-family: var(--sans);
    font-size: 12px;
    letter-spacing: 3px;
    cursor: pointer;
    transition: all 0.4s ease;
  }
  .end-btn.primary {
    border-color: var(--accent-soft);
    color: var(--accent);
  }
  .end-btn:hover {
    border-color: var(--text-soft);
    color: var(--text);
  }
  .end-btn.primary:hover {
    background: var(--accent-glow);
    border-color: var(--accent);
  }

  /* ==================== 快照页:文档级滚动 ====================
     让 iOS Safari 的"整页"长截图能识别整页内容。
     仅在 #screen-snapshot 显示时启用文档滚动,其他屏幕不受影响。 */
  html.snapshot-mode,
  html.snapshot-mode body {
    height: auto;
    overflow: visible;
  }
  html.snapshot-mode #screen-snapshot {
    position: static;
    overflow: visible;
  }
  html.snapshot-mode #screen-snapshot .snapshot-area {
    flex: none;
    overflow: visible;
  }
  html.image-preview-open,
  html.image-preview-open body {
    overflow: hidden !important;
  }

  /* ==================== 长图预览 modal ==================== */
  .image-preview-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.88);
    z-index: 1000;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 24px 16px 40px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  .image-preview-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 18px;
    max-width: 100%;
  }
  .image-preview-tip {
    font-family: var(--sans);
    font-size: 12px;
    letter-spacing: 3px;
    color: var(--accent-soft);
  }
  .image-preview-img {
    max-width: 100%;
    height: auto;
    display: block;
    border: 1px solid var(--line);
    -webkit-touch-callout: default;
    -webkit-user-select: auto;
    user-select: auto;
    pointer-events: auto;
  }
  .image-preview-link {
    padding: 10px 28px;
    background: transparent;
    border: 1px solid var(--accent-soft);
    color: var(--accent);
    font-family: var(--sans);
    font-size: 12px;
    letter-spacing: 3px;
    text-decoration: none;
    cursor: pointer;
  }
  .image-preview-close {
    padding: 10px 28px;
    background: transparent;
    border: 1px solid var(--line);
    color: var(--text-soft);
    font-family: var(--sans);
    font-size: 12px;
    letter-spacing: 3px;
    cursor: pointer;
  }
  .image-preview-spinner {
    position: fixed;
    inset: 0;
    background: rgba(11, 11, 13, 0.85);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-soft);
    font-family: var(--sans);
    font-size: 13px;
    letter-spacing: 3px;
  }

  /* ==================== 历史决策列表 ==================== */
  .journal-area {
    flex: 1;
    overflow-y: auto;
    padding: 12px 28px 60px;
  }
  .journal-area::-webkit-scrollbar { width: 2px; }
  .journal-area::-webkit-scrollbar-thumb { background: var(--line); }

  .journal-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 100px 0;
  }
  .journal-empty p {
    font-family: var(--serif);
    font-size: 18px;
    color: var(--text-soft);
    margin-bottom: 8px;
  }
  .journal-empty .journal-empty-sub {
    font-family: var(--sans);
    font-size: 13px;
    color: var(--text-faint);
    margin-bottom: 32px;
    letter-spacing: 1px;
  }

  .journal-list {
    list-style: none;
  }
  .journal-card {
    padding: 24px 0;
    border-bottom: 1px solid var(--line);
    cursor: pointer;
    transition: opacity 0.3s ease;
  }
  .journal-card:hover {
    opacity: 0.7;
  }
  .journal-card-title {
    font-family: var(--serif);
    font-size: 18px;
    font-weight: 500;
    color: var(--text);
    line-height: 1.6;
    margin-bottom: 10px;
  }
  .journal-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 11px;
    letter-spacing: 2px;
    color: var(--text-faint);
    text-transform: uppercase;
    margin-bottom: 8px;
  }
  .journal-card-tag {
    color: var(--accent-soft);
  }
  .journal-card-stances {
    font-family: var(--serif);
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-soft);
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
  }
  .journal-card-cal {
    display: inline-block;
    margin-top: 8px;
    padding: 2px 8px;
    border-radius: 8px;
    background: var(--line);
    font-size: 10px;
    letter-spacing: 1px;
    color: var(--text-faint);
  }
  .journal-card-cal.overdue {
    background: rgba(212, 116, 116, 0.15);
    color: var(--warn);
  }
  .journal-download-all {
    background: transparent;
    border: 1px solid var(--line);
    color: var(--text-faint);
    font-family: inherit;
    font-size: 11px;
    letter-spacing: 1px;
    padding: 6px 12px;
    border-radius: 999px;
    cursor: pointer;
    transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
  }
  .journal-download-all:hover {
    color: var(--text);
    border-color: var(--text-soft);
    background: rgba(255, 255, 255, 0.04);
  }
  .journal-download-all:active {
    transform: translateY(1px);
  }

  /* ==================== 桌面端字号增强 ==================== */
  @media (min-width: 768px) {
    .question-text { font-size: 26px; line-height: 1.95; }
    .ask { font-size: 32px; }
    .snapshot-body { font-size: 18px; }
    .snapshot-body.title { font-size: 24px; }
  }


/* ===== V3 annotation system ===== */
.snapshot-essay { font-size: 17px; line-height: 1.9; color: #ddd; white-space: pre-wrap; word-break: break-word; }
.annotated {
  position: relative;
  border-bottom: 1px dashed rgba(255,200,100,0.6);
  cursor: help;
  transition: background 0.2s;
}
.annotated:hover { background: rgba(255,200,100,0.12); }
.annotated:hover .anno-tooltip { display: block; }
.anno-tooltip {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  display: none;
  background: #1a1a1c;
  border: 1px solid #333;
  border-radius: 8px;
  padding: 10px 14px;
  max-width: 260px;
  width: max-content;
  font-size: 13px;
  line-height: 1.7;
  color: #ccc;
  z-index: 100;
  box-shadow: 0 8px 24px rgba(0,0,0,0.5);
  pointer-events: none;
}
.anno-tooltip-type {
  font-size: 11px;
  font-weight: 500;
  color: #d4a13a;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 6px;
  display: block;
}
.anno-tooltip-comment {
  color: #e0e0e0;
  word-break: break-word;
  display: block;
}

/* V4: Understanding 显示 */
.understanding-bar {
  position: fixed;
  top: 60px;
  left: 50%;
  transform: translateX(-50%);
  padding: 6px 16px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: 0.05em;
  opacity: 0;
  transition: opacity 0.6s ease;
  pointer-events: none;
  z-index: 10;
}

.understanding-bar.show {
  opacity: 1;
}

/* V4: 收束按钮次要样式 */
.completion-btn.secondary {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.6);
  margin-right: 12px;
}

.completion-btn.secondary:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.3);
}

/* 重试按钮 */
.retry-btn {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.8);
  padding: 8px 20px;
  border-radius: 20px;
  font-size: 14px;
  cursor: pointer;
  margin-top: 8px;
  transition: all 0.3s ease;
}

.retry-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.4);
}