:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --text: #1f2328;
  --muted: #6b7280;
  --line: #e5e7eb;
  --accent: #2563eb;
  --example: #b45309;
  --example-bg: #fffbeb;
  --missing: #b91c1c;
  --missing-bg: #fef2f2;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.7 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}
.wrap { max-width: 760px; margin: 0 auto; padding: 0 16px 48px; }
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  margin-bottom: 28px;
  flex-wrap: wrap;
}
.brand { font-weight: 700; font-size: 1.05rem; color: var(--text); text-decoration: none; }
.brand:hover { color: var(--accent); }

h1 { font-size: 1.6rem; line-height: 1.35; margin: 0 0 12px; }
h2 { font-size: 1.25rem; margin: 32px 0 12px; }
h3 { font-size: 1.08rem; margin: 24px 0 8px; }
h4, h5, h6 { font-size: 1rem; margin: 20px 0 8px; }
p { margin: 0 0 12px; }
a { overflow-wrap: anywhere; }

.intro, .report, .report-list-wrap {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 20px;
  overflow-wrap: break-word;
}
.meta { color: var(--muted); font-size: .875rem; }
code { background: #eef1f5; border-radius: 4px; padding: 1px 5px; font-size: .9em; word-break: break-word; }
pre {
  background: #1f2430;
  color: #e6e9ef;
  border-radius: 10px;
  padding: 14px;
  overflow-x: auto;
  font-size: .875rem;
  line-height: 1.6;
}
pre code { background: none; color: inherit; padding: 0; }

.report-list { list-style: none; margin: 0; padding: 0; }
.report-list li {
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.report-list li:last-child { border-bottom: 0; }
.report-list a { color: var(--accent); font-weight: 600; text-decoration: none; }
.report-list a:hover { text-decoration: underline; }
.report-list .empty { color: var(--muted); }
.report-list-wrap { padding: 8px 20px 16px; }

.badge, .date-badge {
  display: inline-block;
  font-size: .75rem;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #f3f4f6;
  color: var(--muted);
  white-space: nowrap;
}
.badge-example { background: var(--example-bg); border-color: #fcd34d; color: var(--example); }
.badge-missing { background: var(--missing-bg); border-color: #fecaca; color: var(--missing); }

.notice { border-radius: 10px; padding: 12px 16px; margin: 0 0 24px; font-size: .94rem; }
.notice-example { background: var(--example-bg); border: 1px solid #fcd34d; color: var(--example); }
.notice-missing { background: var(--missing-bg); border: 1px solid #fecaca; color: var(--missing); }

.report ul, .report ol { padding-left: 1.4em; }
.report blockquote {
  margin: 0 0 16px;
  padding: 8px 14px;
  border-left: 3px solid var(--accent);
  background: #f8fafc;
  color: var(--muted);
}
.report hr { border: 0; border-top: 1px solid var(--line); margin: 24px 0; }

.site-footer { color: var(--muted); font-size: .8rem; margin-top: 28px; text-align: center; }

@media (max-width: 480px) {
  body { font-size: 15px; }
  .wrap { padding: 0 12px 32px; }
  .intro, .report, .report-list-wrap { padding: 16px; }
  h1 { font-size: 1.4rem; }
  pre { font-size: .8rem; }
}

/* ---- 第三阶段：分级日报 + 偏好反馈 ---- */

/* 重要条目：明显的卡片分隔，视频链接可点 */
.report .important-item { margin-bottom: 20px; }
.report h3 { border-left: 3px solid var(--accent); padding-left: 10px; }
.report .video-link {
  display: inline-block;
  margin: 2px 0 6px;
  color: var(--accent);
  font-weight: 600;
  word-break: break-all;
}

/* 其他相关：紧凑列表，不膨胀 */
.report .minor-list li { padding: 5px 0; }

/* AI 总结标识 */
.report .ai-badge {
  display: inline-block;
  font-size: .75rem;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #eef1f5;
  color: var(--muted);
}

/* 偏好反馈区域 */
.pref-section {
  margin-top: 28px;
  border-top: 1px solid var(--line);
  padding-top: 16px;
}
.pref-section h2 { font-size: 1.15rem; margin: 0 0 8px; }
.pref-buttons { margin-top: 12px; }
.pref-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 0;
  border-bottom: 1px dashed var(--line);
  flex-wrap: wrap;
}
.pref-row:last-child { border-bottom: 0; }
.pref-name { flex: 1 1 auto; font-weight: 600; min-width: 120px; }
.pref-btn {
  display: inline-block;
  min-height: 36px;
  padding: 6px 16px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: .92rem;
  line-height: 1.2;
  text-align: center;
  white-space: nowrap;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
}
.pref-btn:disabled {
  opacity: .45;
  cursor: not-allowed;
}
.pref-btn:active { transform: translateY(1px); }
.pref-up { border-color: #86efac; background: #f0fdf4; color: #166534; }
.pref-down { border-color: #fca5a5; background: #fef2f2; color: #991b1b; }
.pref-up:hover:not(:disabled) { background: #dcfce7; }
.pref-down:hover:not(:disabled) { background: #fee2e2; }
.pref-status { margin-top: 10px; min-height: 1.2em; }
.pref-status-ok { color: #166534; }
.pref-status-err { color: #991b1b; }

/* 反馈密钥弹窗 */
.key-modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}
.key-modal[hidden] { display: none; }
.key-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, .45);
}
.key-modal-dialog {
  position: relative;
  width: 100%;
  max-width: 360px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, .18);
}
.key-modal-dialog h3 { margin: 0 0 8px; font-size: 1.1rem; }
.key-modal-dialog input[type="password"] {
  width: 100%;
  font: inherit;
  font-size: 1rem;
  padding: 10px 12px;
  margin: 12px 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-sizing: border-box;
}
.key-modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}
.pref-btn-plain { background: #f3f4f6; }

/* 手机端：按钮更大、易点击、不横向溢出 */
@media (max-width: 480px) {
  .pref-row { flex-wrap: wrap; }
  .pref-name { flex: 1 1 100%; }
  .pref-btn { flex: 1 1 auto; min-height: 44px; padding: 10px 14px; }
  .key-modal-dialog { padding: 16px; }
  .key-modal-actions .pref-btn { min-height: 44px; }
  .report h3 { font-size: 1.02rem; }
  .report .video-link { font-size: .92rem; }
}