:root {
  --ink: #1a2332; --sub: #5b6779; --line: #e3e7ee; --bg: #f7f8fa;
  --accent: #1f4e8c; --red: #c0392b; --orange: #d97b29; --yellow: #b8962e;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font: 15px/1.7 -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink); background: var(--bg); }
.hidden { display: none !important; }

/* 登录 */
#login-overlay { position: fixed; inset: 0; background: var(--bg);
  display: flex; align-items: center; justify-content: center; z-index: 99; }
.login-box { text-align: center; width: 300px; }
.login-box h1 { font-family: Georgia, serif; font-size: 22px; letter-spacing: 1px; }
.login-box p { color: var(--sub); font-size: 13px; margin: 8px 0 20px; }
.login-box input { width: 100%; padding: 10px 12px; border: 1px solid var(--line);
  border-radius: 8px; font-size: 15px; outline: none; }
.login-box button { width: 100%; margin-top: 10px; padding: 10px; border: 0;
  border-radius: 8px; background: var(--accent); color: #fff; font-size: 15px; cursor: pointer; }
#login-err { color: var(--red); font-size: 13px; margin-top: 8px; }

/* 顶栏 */
#topbar { position: sticky; top: 0; z-index: 10; background: #fff;
  border-bottom: 1px solid var(--line); padding: 12px 20px;
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
.brand { font-family: Georgia, serif; font-size: 17px; letter-spacing: 2px; color: var(--accent); }
.daynav { display: flex; align-items: center; gap: 8px; font-size: 14px; }
.daynav button { border: 1px solid var(--line); background: #fff; border-radius: 6px;
  width: 28px; height: 28px; cursor: pointer; font-size: 15px; color: var(--sub); }
.daynav select { border: 1px solid var(--line); border-radius: 6px; padding: 4px 6px;
  background: #fff; color: var(--sub); font-size: 13px; }
#cur-date { font-weight: 600; min-width: 105px; text-align: center; }

main { max-width: 860px; margin: 0 auto; padding: 24px 16px 80px; }
.section-title { font-family: Georgia, serif; font-size: 13px; letter-spacing: 2px;
  color: var(--sub); margin-bottom: 14px; }

/* 异常卡片 */
.anom-card { background: #fff; border: 1px solid var(--line); border-radius: 12px;
  padding: 16px 18px; margin-bottom: 12px; cursor: pointer; transition: box-shadow .15s; }
.anom-card:hover { box-shadow: 0 2px 12px rgba(31,78,140,.10); }
.anom-head { display: flex; align-items: center; gap: 10px; }
.rule-badge { flex: none; width: 26px; height: 26px; border-radius: 7px; color: #fff;
  font-size: 13px; font-weight: 700; display: flex; align-items: center; justify-content: center; }
.rule-A { background: #7c3aed; } .rule-B { background: #64748b; } .rule-C { background: #0284c7; }
.rule-D { background: #0d9488; } .rule-E { background: #b45309; }
.anom-title { font-weight: 600; font-size: 15.5px; flex: 1; }
.score-pill { flex: none; font-weight: 700; font-size: 14px; padding: 2px 10px; border-radius: 20px; color: #fff; }
.score-hi { background: var(--red); } .score-mid { background: var(--orange); } .score-lo { background: var(--yellow); }
.anom-desc { color: var(--sub); font-size: 13.5px; margin-top: 8px; }
.anom-meta { display: flex; gap: 14px; margin-top: 8px; font-size: 12px; color: var(--sub); }
.streak { color: var(--orange); font-weight: 600; }

/* 假说与验证 / 历史研究 */
.hyp { border-top: 1px solid var(--line); padding: 10px 0; }
.hyp:first-of-type { border-top: 0; }
.hyp-head { display: flex; align-items: center; gap: 10px; margin-bottom: 4px; }
.hyp-badge { font-size: 12px; font-weight: 600; padding: 1px 10px; border-radius: 20px; color: #fff; }
.hyp-open { background: var(--orange); } .hyp-confirmed { background: #16a34a; }
.hyp-refuted { background: var(--red); } .hyp-partial { background: var(--yellow); }
.hyp-date { font-size: 12px; color: var(--sub); }
.hyp-text { font-size: 14px; font-weight: 500; }
.hyp-verify { font-size: 12.5px; color: var(--sub); margin-top: 3px; }
.hyp-verdict { font-size: 13px; margin-top: 5px; background: #f8fafc; border-radius: 8px; padding: 8px 10px; }
.past-item { display: flex; align-items: baseline; gap: 10px; padding: 8px 0;
  border-top: 1px solid var(--line); cursor: pointer; }
.past-item:first-of-type { border-top: 0; }
.past-item:hover .past-snip { color: var(--accent); }
.past-date { font-size: 13px; font-weight: 600; flex: none; }
.past-snip { font-size: 12.5px; color: var(--sub); overflow: hidden; text-overflow: ellipsis;
  white-space: nowrap; }

/* 详情 */
.back-btn { border: 0; background: none; color: var(--accent); font-size: 14px;
  cursor: pointer; margin-bottom: 14px; padding: 0; }
.panel { background: #fff; border: 1px solid var(--line); border-radius: 12px;
  padding: 18px 20px; margin-bottom: 14px; }
.panel h3 { font-family: Georgia, serif; font-size: 13px; letter-spacing: 1.5px;
  color: var(--sub); margin-bottom: 12px; }
.comp-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; }
.comp { text-align: center; }
.comp .v { font-size: 20px; font-weight: 700; }
.comp .k { font-size: 12px; color: var(--sub); }
.moves { display: flex; gap: 10px; flex-wrap: wrap; }
.move-chip { background: var(--bg); border-radius: 8px; padding: 6px 12px; font-size: 13px; }
.move-chip b { font-weight: 600; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 7px 8px; border-bottom: 1px solid var(--line); text-align: right; }
th { color: var(--sub); font-weight: 500; font-size: 12px; }
td:first-child, th:first-child { text-align: left; }
.sim { color: var(--accent); font-weight: 600; }
.pos { color: var(--red); } .neg { color: #1e8449; }

/* 当日市场画像 */
.analog-note { color: var(--sub); font-size: 12px; margin-bottom: 10px; }
.analog-cols { display: grid; grid-template-columns: 1fr 1.6fr; gap: 18px; margin-top: 14px; }
.analog-cols h3 { font-family: Georgia, serif; font-size: 13px; letter-spacing: 1.5px;
  color: var(--sub); margin-bottom: 8px; }
small.sub { color: var(--sub); }
@media (max-width: 640px) { .analog-cols { grid-template-columns: 1fr; } }
.md h2 { font-size: 15px; margin: 14px 0 6px; color: var(--accent); font-family: Georgia, serif; }
.md h2:first-child { margin-top: 0; }
.md p { margin: 6px 0; font-size: 14px; }
.md ul, .md ol { margin: 6px 0 6px 20px; font-size: 14px; }
.md li { margin: 3px 0; }

/* 追问 */
#chat-log { max-height: 400px; overflow-y: auto; margin-bottom: 12px; }
.chat-msg { margin-bottom: 12px; }
.chat-msg .role { font-size: 12px; color: var(--sub); margin-bottom: 3px; }
.chat-msg.user .bubble { background: #eef3fb; }
.bubble { background: var(--bg); border-radius: 10px; padding: 10px 14px; font-size: 14px; }
#chat-form { display: flex; gap: 8px; }
#chat-input { flex: 1; border: 1px solid var(--line); border-radius: 8px;
  padding: 10px 12px; font-size: 14px; outline: none; }
.btn { border: 0; border-radius: 8px; background: var(--accent); color: #fff;
  padding: 10px 16px; font-size: 14px; cursor: pointer; }
.btn:disabled { opacity: .5; cursor: default; }
.btn-ghost { background: #fff; color: var(--accent); border: 1px solid var(--accent); }

/* 总结 */
#summary-box .panel textarea { width: 100%; min-height: 220px; border: 1px solid var(--line);
  border-radius: 8px; padding: 12px; font: 14px/1.7 inherit; outline: none; resize: vertical; }
.summary-actions { display: flex; gap: 8px; margin-top: 10px; align-items: center; }
.status-tag { font-size: 12px; color: var(--sub); margin-left: auto; }
.loading { color: var(--sub); font-size: 13px; padding: 10px 0; }

/* 看板 */
#board-btn { width: auto; padding: 0 10px; font-size: 13px; }
#board-btn.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.b-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 12px; }
.b-card { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; }
.b-card.hot { border-color: #b3342a; box-shadow: 0 0 0 1px #b3342a; }
.b-head { display: flex; justify-content: space-between; align-items: center; }
.b-name { font-size: 13px; font-weight: 600; }
.b-cat { font-size: 10px; color: var(--sub); text-transform: uppercase; letter-spacing: 1px; }
.b-latest { font-size: 20px; font-weight: 700; margin-top: 6px; }
.b-latest small { font-size: 12px; font-weight: 400; color: var(--sub); }
.b-chg { font-size: 12px; margin: 2px 0 6px; }
.b-chg small { color: var(--sub); }