/* ================================================================
   天喜 TIANXI · Shell (brandbar + bottom nav + FAB + page wrapper)
   ================================================================ */

.shell {
  max-width: 440px;
  margin: 0 auto;
  min-height: 100vh;
  background: var(--paper);
  position: relative;
  padding-bottom: 120px;
}
@media (min-width: 720px){
  body { background: linear-gradient(180deg, #F0EADB 0%, #E5DDC8 100%); }
  :root[data-theme=dark] body,
  html[data-theme=dark] body { background: linear-gradient(180deg, #050A08 0%, #0B1612 100%); }
  .shell {
    max-width: 440px; margin: 24px auto;
    box-shadow: var(--sh-lg);
    border-radius: 24px; overflow: hidden;
  }
}

/* ---------- Brand bar ---------- */
.brandbar {
  position: sticky; top: 0; z-index: 50;
  background: var(--ticker-bg);
  color: var(--ticker-fg);
  padding: 10px 16px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid rgba(240,235,221,0.08);
}
.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand__glyph {
  width: 40px; height: 40px; flex-shrink: 0;
  filter: drop-shadow(0 1px 0 rgba(0,0,0,0.4)) drop-shadow(0 0 6px rgba(212,161,30,0.18));
}
.brand__word {
  font-family: var(--font-display);
  font-weight: 700; font-size: 16px;
  letter-spacing: 0.01em; line-height: 1;
}
.brand__word small {
  display: block;
  font-family: var(--font-body);
  font-weight: 500; font-size: 9px;
  letter-spacing: 0.24em;
  color: var(--tan);
  margin-top: 3px;
}
.brandbar__actions { display: flex; gap: 12px; align-items: center; }
.brandbar__btn {
  width: 32px; height: 32px;
  border: 1px solid rgba(240,235,221,0.12);
  border-radius: 8px;
  color: var(--ticker-fg);
  display: grid; place-items: center;
  transition: border-color 120ms, background 120ms;
}
.brandbar__btn:active { transform: scale(0.95); }
.brandbar__btn:hover { border-color: var(--gold-2); }
.brandbar__btn svg { width: 16px; height: 16px; }

/* ---------- Ticker strip under brandbar ---------- */
.ticker {
  background: var(--ticker-bg);
  color: var(--tan);
  padding: 6px 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  border-bottom: 1px solid rgba(240,235,221,0.06);
  overflow: hidden;
  white-space: nowrap;
}
.ticker strong { color: var(--gold-3); font-weight: 600; }
.ticker .up { color: var(--red-2); }
.ticker .down { color: var(--green-2); }

/* ---------- Page header ---------- */
.page-head {
  padding: 24px 20px 16px;
  border-bottom: 1px solid var(--rule);
}
.page-head h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  line-height: 1.15;
  color: var(--ink);
}
.page-head h1 small {
  display: block;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--ink-mute);
  margin-bottom: 6px;
  text-transform: uppercase;
}
.page-head p {
  font-size: 13px;
  color: var(--ink-mute);
  margin-top: 8px;
  line-height: 1.55;
}

/* ---------- Section card ---------- */
.card {
  background: var(--paper-2);
  border: 1px solid var(--rule);
  border-radius: var(--r-lg);
  padding: 16px;
  margin: 0 16px 16px;
}
.card h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  color: var(--ink);
  margin-bottom: 12px;
  display: flex; align-items: center; gap: 8px;
}
.card h2::before {
  content: "";
  display: block;
  width: 3px; height: 14px;
  background: var(--gold-2);
  border-radius: 2px;
}
.card h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 13px;
  color: var(--ink-soft);
  margin: 14px 0 8px;
}

/* ---------- Data row ---------- */
.row {
  display: grid;
  grid-template-columns: 28px 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--rule);
}
.row:last-child { border-bottom: 0; }
.row__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 14px;
  color: var(--gold-2);
  text-align: center;
}
.row__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14px;
  color: var(--ink);
}
.row__sub {
  display: block;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 11px;
  color: var(--ink-mute);
  margin-top: 2px;
}
.row__val {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 14px;
  color: var(--ink);
}

/* ---------- Pill / tag ---------- */
.pill {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 10px;
  letter-spacing: 0.08em;
  padding: 3px 8px;
  border-radius: 99px;
  background: var(--paper-3);
  color: var(--ink-soft);
  border: 1px solid var(--rule);
}
.pill--green { background: rgba(0,132,61,0.10); color: var(--green); border-color: rgba(0,132,61,0.25); }
.pill--red   { background: rgba(200,16,46,0.10); color: var(--red);   border-color: rgba(200,16,46,0.25); }
.pill--gold  { background: var(--gold-tint); color: var(--brown); border-color: rgba(184,145,47,0.35); }

/* ---------- Bottom nav ---------- */
.botnav {
  position: fixed;
  bottom: 0; left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 440px;
  background: var(--ticker-bg);
  color: var(--ticker-fg);
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  padding: 8px 4px calc(8px + env(safe-area-inset-bottom));
  gap: 2px;
  border-top: 1px solid rgba(240,235,221,0.08);
  z-index: 40;
}
@media (min-width: 720px){
  .botnav {
    bottom: 24px; border-radius: 0 0 24px 24px;
  }
}
.botnav__item {
  display: grid; justify-items: center; gap: 3px;
  padding: 6px 2px;
  font-size: 10px;
  color: rgba(240,235,221,0.65);
  letter-spacing: 0.06em;
  font-weight: 500;
  transition: color 120ms;
}
.botnav__item:active { transform: scale(0.96); }
.botnav__item.is-active {
  color: var(--gold-3);
}
.botnav__item.is-active .botnav__icon {
  stroke: var(--gold-3);
}
.botnav__icon {
  width: 22px; height: 22px;
  stroke: rgba(240,235,221,0.55);
  stroke-width: 1.5;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ---------- FAB: Watchlist ---------- */
.fab-watchlist {
  position: fixed;
  right: calc(50% - 220px + 16px); bottom: 96px;
  width: 52px; height: 52px;
  background: var(--gold-2);
  color: var(--ticker-bg);
  border-radius: 50%;
  display: grid; place-items: center;
  box-shadow: 0 6px 16px -4px rgba(0,0,0,0.4), 0 2px 6px rgba(184,145,47,0.4);
  z-index: 45;
  transition: transform 120ms, box-shadow 120ms;
}
.fab-watchlist:active { transform: scale(0.92); }
.fab-watchlist svg { width: 22px; height: 22px; stroke-width: 1.75; }
.fab-watchlist__badge {
  position: absolute; top: -4px; right: -4px;
  background: var(--red);
  color: var(--ticker-fg);
  font-family: var(--font-mono);
  font-size: 10px; font-weight: 700;
  min-width: 18px; height: 18px;
  border-radius: 9px;
  display: grid; place-items: center;
  padding: 0 4px;
}
@media (max-width: 480px){
  .fab-watchlist { right: 16px; }
}

/* ---------- Disclaimer footer ---------- */
.disclaimer {
  padding: 20px 20px 20px;
  font-size: 10px;
  line-height: 1.55;
  color: var(--ink-faint);
  border-top: 1px solid var(--rule);
  margin-top: 24px;
  text-align: center;
}
.disclaimer strong { color: var(--ink-mute); font-weight: 600; }

/* ---------- Empty state ---------- */
.empty {
  padding: 40px 20px;
  text-align: center;
  color: var(--ink-mute);
  font-size: 13px;
}
.empty .empty__icon {
  width: 48px; height: 48px; margin: 0 auto 12px;
  opacity: 0.35;
  stroke: var(--ink-mute);
  stroke-width: 1;
  fill: none;
}

/* ---------- Utility ---------- */
.sr-only { position: absolute; clip: rect(0 0 0 0); width: 1px; height: 1px; overflow: hidden; }
.flex { display: flex; }
.flex--between { justify-content: space-between; align-items: center; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }

/* ================================================================
   AI 推介 · 五行順生色階（金→水→木→火→土）
   - 卡用淺色 3D 漸變 bg（無論 light/dark theme），字深色確保對比
   - rank 1 主卡放大顯示，rank 2-5 並排二排
   - 內含：頭銜 + 馬號 + 馬名 + AI 機率 + 市場暗示機率 + 值博 Δ
   ================================================================ */
.ai-picks {
  margin: 16px;
  padding: 16px;
  background: var(--paper-2);
  border: 1px solid var(--rule-2);
  border-radius: 16px;
  box-shadow: var(--sh-md);
}
.ai-picks__hd {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 4px;
}
.ai-picks__hd h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  color: var(--ink);
  display: flex; align-items: center; gap: 8px;
}
.ai-picks__hd h2::before {
  content: "";
  display: block; width: 3px; height: 14px;
  background: var(--gold-2); border-radius: 2px;
}
.ai-picks__hd .meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-mute);
  letter-spacing: 0.05em;
}
.ai-picks__sub {
  font-size: 11px;
  color: var(--ink-mute);
  margin-bottom: 14px;
  line-height: 1.5;
}
.ai-picks__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}
@media (min-width: 480px) {
  .ai-picks__grid { grid-template-columns: repeat(2, 1fr); }
  .pick.pick--1 { grid-column: span 2; }
}

/* ================================================================
   AI 推介卡 · v0.7 Unified Editorial
   - 紙本米白底，rank-color 左側 accent 條
   - 左上角雙徽章：首選（彩框）/ 數字（彩框大字），垂直堆疊
   - 統一 3-col stats: P(入 3 甲) · Elo 評分 · 即時賠率
   - 5 張卡版式完全一致，只有 rank-color 差異
   - 字體全部正體（無 italic），Serif 做大字、Mono 做 label/數字
   ================================================================ */
.pick {
  position: relative;
  display: block;
  padding: 16px 16px 16px 22px;
  background: var(--paper);
  border: 1px solid var(--rule-2);
  border-radius: 6px;
  color: var(--ink);
  text-decoration: none;
  font-feature-settings: "tnum" 1, "lnum" 1;
  box-shadow: 0 1px 0 rgba(11,11,11,0.03), 0 2px 6px -2px rgba(11,11,11,0.06);
  transition: box-shadow 160ms ease, transform 160ms ease, border-color 160ms ease;
}
.pick::before {
  content: "";
  position: absolute;
  left: 0; top: -1px; bottom: -1px;
  width: 4px;
  background: var(--rank-color);
  border-radius: 6px 0 0 6px;
}
.pick:hover {
  border-color: rgba(11,11,11,0.22);
  box-shadow: 0 1px 0 rgba(11,11,11,0.04), 0 6px 18px -8px rgba(11,11,11,0.18);
  transform: translateY(-1px);
}
.pick:active { transform: translateY(0); }

/* Rank accent colors（五行：金→水→木→火→土） */
.pick--1 { --rank-color: #C9A227; --rank-bg: rgba(201,162,39,0.10); --rank-ink: #7A5A0C; }
.pick--2 { --rank-color: #2F62B5; --rank-bg: rgba(47,98,181,0.09);  --rank-ink: #0B3A85; }
.pick--3 { --rank-color: #3F9357; --rank-bg: rgba(63,147,87,0.09);  --rank-ink: #1E5A2F; }
.pick--4 { --rank-color: #C8102E; --rank-bg: rgba(200,16,46,0.08);  --rank-ink: #7C1020; }
.pick--5 { --rank-color: #8B5A2B; --rank-bg: rgba(139,90,43,0.09);  --rank-ink: #4A2D14; }

/* ────────── HEAD: 左雙徽章 + 馬名資訊 + 右上 tag ────────── */
.pick__head {
  display: grid;
  grid-template-columns: 54px 1fr auto;
  gap: 12px;
  align-items: start;
  margin-bottom: 12px;
}
/* Narrow cards (rank 2-5 in 2-col grid): tags drop below, head becomes 2-col */
@media (min-width: 480px) {
  .pick:not(.pick--1) .pick__head {
    grid-template-columns: 54px 1fr;
    grid-template-areas:
      "ident name"
      "tags tags";
    gap: 10px 12px;
  }
  .pick:not(.pick--1) .pick__ident { grid-area: ident; }
  .pick:not(.pick--1) .pick__name-block { grid-area: name; }
  .pick:not(.pick--1) .pick__tags {
    grid-area: tags;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding-top: 2px;
  }
}

/* 左上角垂直徽章堆：首選 tier + 數字 */
.pick__ident {
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: stretch;
  flex-shrink: 0;
  width: 54px;
}
.pick__tier {
  display: block;
  text-align: center;
  padding: 5px 0 6px;
  border-radius: 3px;
  background: var(--rank-bg);
  border: 1px solid var(--rank-color);
  color: var(--rank-ink);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  text-indent: 0.22em;
}
.pick__no {
  display: block;
  text-align: center;
  padding: 8px 0 9px;
  border-radius: 3px;
  background: var(--paper);
  border: 1.5px solid var(--rank-color);
  color: var(--rank-ink);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 28px;
  line-height: 1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums lining-nums;
}

/* 中間：馬名 + 騎練 */
.pick__name-block {
  min-width: 0;
  padding-top: 4px;
}
.pick__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 21px;
  line-height: 1.15;
  color: var(--ink);
  letter-spacing: -0.01em;
  margin-bottom: 5px;
  word-break: keep-all;
  overflow-wrap: break-word;
}
.pick:not(.pick--1) .pick__name { font-size: 18px; }
.pick__meta {
  font-size: 11.5px;
  font-family: var(--font-body);
  color: var(--ink-mute);
  letter-spacing: 0.02em;
  line-height: 1.55;
}

/* 右上：tag + 值博 */
.pick__tags {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
  flex-shrink: 0;
  padding-top: 4px;
}
.pick__tag {
  display: inline-flex; align-items: center;
  padding: 4px 10px;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border: 1px solid currentColor;
  white-space: nowrap;
}
.tag-under { color: #2E8C4A; background: rgba(46,140,74,0.07); }
.tag-fair  { color: #8A6A14; background: rgba(138,106,20,0.07); }
.tag-hot   { color: #B31426; background: rgba(179,20,38,0.06); }
.tag-under::before { content: "★ "; font-size: 9px; }

.pick__value {
  display: inline-flex; align-items: baseline;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.02em;
  background: var(--paper-2);
  border: 1px solid var(--rule-2);
  border-radius: 3px;
  color: var(--ink);
  white-space: nowrap;
}
.pick__value.is-positive { color: #1E5A2F; background: rgba(46,140,74,0.07); border-color: rgba(46,140,74,0.28); }
.pick__value.is-negative { color: #7C1020; background: rgba(200,16,46,0.06); border-color: rgba(200,16,46,0.25); }

/* ────────── STATS: 統一 3-col grid ────────── */
.pick__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding: 12px 0 11px;
  border-top: 1px solid var(--rule-2);
  border-bottom: 1px solid var(--rule-2);
  font-variant-numeric: tabular-nums lining-nums;
}
.pick__stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 0 12px;
  border-right: 1px dashed var(--rule-2);
  min-width: 0;
}
.pick__stat:first-child { padding-left: 0; }
.pick__stat:last-child  { padding-right: 0; border-right: 0; }
.pick__stat-lbl {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-faint);
  font-weight: 600;
}
.pick__stat-val {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 900;
  color: var(--ink);
  line-height: 1;
  letter-spacing: -0.02em;
}
.pick:not(.pick--1) .pick__stat-val { font-size: 18px; }
.pick:not(.pick--1) .pick__stat { padding: 0 8px; }
.pick__stat-sub {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--ink-mute);
  letter-spacing: 0.02em;
  line-height: 1.45;
  font-weight: 500;
  margin-top: 1px;
}
.pick__stat-sub .up   { color: var(--red);   font-weight: 700; }
.pick__stat-sub .down { color: var(--green); font-weight: 700; }
.pick__stat-sub .pos  { color: #1E5A2F; font-weight: 700; }
.pick__stat-sub .neg  { color: #7C1020; font-weight: 700; }

/* ────────── 近 5 仗 chips ────────── */
.pick__form {
  display: flex; align-items: center; gap: 4px;
  padding: 11px 0 12px;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--rule-2);
}
.pick__form-lbl {
  font-family: var(--font-mono);
  font-size: 9.5px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--ink-faint);
  font-weight: 600;
  margin-right: 8px;
}
.fc {
  display: inline-grid; place-items: center;
  min-width: 18px; height: 18px;
  padding: 0 2px;
  border-radius: 2px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 11px;
  line-height: 1;
  color: #FFF;
  font-variant-numeric: tabular-nums;
}
.fc-1 { background: #1E5A2F; }
.fc-2 { background: #2B4F8E; }
.fc-3 { background: #8A6A14; }
.fc-4 { background: #5A574C; color: #E8E4D8; }

/* ────────── AI 一句理由（彩框 pill + 正文，非斜體） ────────── */
.pick__ai {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 11px 0 0;
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.55;
  color: var(--ink-soft);
  letter-spacing: 0;
  font-style: normal;
}
.pick__ai-tag {
  display: inline-grid; place-items: center;
  min-width: 32px; height: 19px;
  padding: 0 7px;
  border-radius: 3px;
  background: var(--rank-bg);
  border: 1px solid var(--rank-color);
  color: var(--rank-ink);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 10px;
  letter-spacing: 0.2em;
  font-style: normal;
  flex-shrink: 0;
  margin-top: 1px;
}

/* ────────── LEGACY selector 清理（v0.5-v0.6 舊結構） ────────── */
.pick__badge,
.pick__spark,
.pick__prob,
.pick__prob-main,
.pick__prob-label,
.pick__prob-val,
.pick__prob-sub,
.pick__elo,
.pick__elo-row,
.pick__elo-label,
.pick__elo-val,
.pick__elo-trend,
.pick__elo-inline,
.pick__main,
.pick__label,
.pick__row,
.pick__stats .sep { display: none !important; }

/* ────────── CTA 按鈕 ────────── */
.ai-picks__cta {
  margin-top: 18px;
  display: flex; justify-content: center;
  border-top: 1px solid var(--rule);
  padding-top: 14px;
}
.ai-picks__cta-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 20px;
  border-radius: 2px;
  background: var(--ink);
  color: var(--gold-3);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid var(--ink);
  transition: transform 120ms ease, background 120ms ease;
}
.ai-picks__cta-btn:hover { background: var(--brown); border-color: var(--brown); transform: translateY(-1px); }
.ai-picks__cta-btn:active { transform: translateY(0); }

/* ────────── DARK MODE overrides ────────── */
[data-theme="dark"] .pick {
  background: #161410;
  border-color: rgba(240,235,221,0.08);
  box-shadow: 0 1px 0 rgba(0,0,0,0.3), 0 2px 6px -2px rgba(0,0,0,0.4);
}
[data-theme="dark"] .pick:hover { border-color: rgba(240,235,221,0.2); }
[data-theme="dark"] .pick__name { color: var(--ink); }
[data-theme="dark"] .pick__no { background: rgba(255,255,255,0.04); border-color: rgba(240,235,221,0.1); color: var(--ink-mute); }
[data-theme="dark"] .pick__prob-val { color: var(--ink); }
[data-theme="dark"] .pick__badge { opacity: 0.24; }
[data-theme="dark"] .pick__ai { color: var(--ink-soft); }
[data-theme="dark"] .pick__value { background: rgba(255,255,255,0.03); border-color: rgba(240,235,221,0.1); }
[data-theme="dark"] .fc-4 { background: #3A3731; color: #B8B2A3; }

/* 清理舊 legend 樣式 — 已不再 render */
.ai-picks__legend { display: none; }

/* note 樣式保留 */
.ai-picks__note {
  margin-top: 14px;
  padding-top: 10px;
  border-top: 1px solid var(--rule);
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--ink-mute);
  line-height: 1.65;
  letter-spacing: 0.02em;
}
.ai-picks__note strong { color: var(--ink-soft); font-weight: 700; letter-spacing: 0.04em; }