:root {
  --bg: #f6f5f2; --card: #ffffff; --ink: #1d1d1b; --sub: #6b6a66; --line: #e4e2dc;
  --accent: #7a1f1f; --accent-ink: #fff; --ok: #2f6b3a; --warn: #8a5a00; --err: #a12622;
  --promo: #7a1f1f; --event: #2c5a8a; --fav: #b8860b;
  --radius: 14px; --tab-h: 56px;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #161615; --card: #22211f; --ink: #f1efe9; --sub: #a3a19a; --line: #34322e;
    --accent: #d06a5e; --accent-ink: #160f0e; --ok: #7fbf8a; --warn: #e0b45a; --err: #f08a80;
    --promo: #e08a7e; --event: #8ab4e8; --fav: #e6c15a; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink);
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "PingFang TC", "Hiragino Sans", "Noto Sans TC", sans-serif; }
a { color: inherit; }
.wrap { max-width: 640px; margin: 0 auto;
  padding: calc(env(safe-area-inset-top) + 12px) 16px calc(var(--tab-h) + env(safe-area-inset-bottom) + 24px); }
.top { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 44px; }
h1 { font-size: 28px; margin: 4px 0 8px; letter-spacing: .01em; }
h1 small { font-size: 16px; color: var(--sub); font-weight: 500; }
h2 { font-size: 17px; margin: 28px 0 10px; }
.hint { color: var(--sub); font-size: 14px; margin: 6px 0 12px; }
.empty { color: var(--sub); background: var(--card); border: 1px dashed var(--line); border-radius: var(--radius); padding: 16px; }
.small { font-size: 13px; }

.flash { background: var(--card); border-left: 4px solid var(--accent); padding: 10px 12px; border-radius: 10px; margin: 8px 0; }
.offline { position: sticky; top: 0; z-index: 10; background: var(--warn); color: #fff; font-size: 13px;
  padding: calc(env(safe-area-inset-top) + 6px) 16px 6px; }

.status { display: grid; gap: 6px; margin: 8px 0 4px; }
.st { font-size: 14px; padding: 9px 12px; border-radius: 10px; background: var(--card); border: 1px solid var(--line); }
.st-ok { color: var(--sub); }
.st-warn { border-color: var(--warn); color: var(--warn); }
.st-err { border-color: var(--err); color: var(--err); }
.st-run { display: flex; align-items: center; gap: 8px; }
.spin { width: 14px; height: 14px; border: 2px solid var(--line); border-top-color: var(--accent); border-radius: 50%;
  animation: spin 1s linear infinite; flex: none; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .spin { animation: none; border-top-color: var(--line); } }

.btn { -webkit-appearance: none; appearance: none; border: 0; border-radius: 12px; background: var(--accent); color: var(--accent-ink);
  font: inherit; font-weight: 600; min-height: 44px; padding: 0 18px; display: inline-flex; align-items: center; justify-content: center;
  text-decoration: none; cursor: pointer; }
.btn:disabled { opacity: .5; }
.btn:active { transform: scale(.98); }
.btn-ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btn-on { background: var(--fav); color: #1d1d1b; }
.btn.wide { width: 100%; }
.link { background: none; border: 0; color: var(--accent); font: inherit; padding: 10px 4px; min-height: 44px; cursor: pointer; }
.link.danger { color: var(--err); }
.inline { display: inline; margin: 0; }
.status .inline .btn { width: 100%; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); margin: 10px 0; }
.card.dim { opacity: .6; }
.cardlink { display: block; padding: 14px 14px 12px; text-decoration: none; }
.card h3 { font-size: 16px; margin: 6px 0 4px; line-height: 1.4; }
.meta { display: flex; flex-wrap: wrap; gap: 6px; }
.tag { font-size: 12px; padding: 2px 8px; border-radius: 999px; border: 1px solid var(--line); color: var(--sub); }
.tag-promotion { color: var(--promo); border-color: currentColor; }
.tag-event { color: var(--event); border-color: currentColor; }
.tag-fav { color: var(--fav); border-color: currentColor; }
.tag-new { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.summary { font-size: 14px; color: var(--sub); margin: 10px 2px 0; }
.st-ending_soon { color: var(--err); border-color: currentColor; font-weight: 600; }
.st-active { color: var(--ok); border-color: currentColor; }
.st-cancelled, .st-withdrawn, .st-expired { color: var(--sub); text-decoration: line-through; }
.when, .benefit, .elig, .reason { font-size: 14px; margin: 2px 0; }
.when { color: var(--sub); }
.elig-eligible { color: var(--ok); } .elig-ineligible { color: var(--err); } .elig-unknown { color: var(--warn); }
.reason { color: var(--accent); }

.match { border-left: 3px solid var(--line); padding-left: 10px; margin: 14px 0; }
.match.v-buy_now { border-color: var(--ok); } .match.v-wait { border-color: var(--warn); }
.match ul { margin: 4px 0; padding-left: 18px; font-size: 14px; color: var(--sub); }

.row { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 12px 0;
  border-bottom: 1px solid var(--line); text-decoration: none; min-height: 44px; }
.row small { color: var(--sub); flex: none; }

/* calendar */
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.seg a { padding: 0 14px; min-height: 44px; display: inline-flex; align-items: center; text-decoration: none; font-size: 14px; }
.seg a.on { background: var(--ink); color: var(--bg); }
.monthnav { display: flex; align-items: center; justify-content: space-between; margin: 6px 0; }
.monthnav a { font-size: 28px; text-decoration: none; min-width: 44px; min-height: 44px; display: grid; place-items: center; }
.cal { width: 100%; border-collapse: collapse; table-layout: fixed; background: var(--card); border-radius: var(--radius); overflow: hidden; }
.cal th { font-size: 12px; color: var(--sub); font-weight: 500; padding: 6px 0; }
.cal td { height: 52px; vertical-align: top; text-align: center; border-top: 1px solid var(--line); padding: 4px 2px; }
.cal td.out { opacity: .35; }
.cal td.today .dn { background: var(--accent); color: var(--accent-ink); border-radius: 50%; }
.dn { display: inline-grid; place-items: center; width: 26px; height: 26px; font-size: 14px; }
.dots { display: flex; justify-content: center; flex-wrap: wrap; gap: 3px; margin-top: 2px; }
.dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--promo); }
.dot.k-event { background: var(--event); }
.dot.fav { outline: 2px solid var(--fav); outline-offset: 1px; }
.more { font-size: 10px; font-style: normal; color: var(--sub); line-height: 7px; }
.legend { font-size: 12px; color: var(--sub); display: flex; gap: 6px; align-items: center; }
.span-row { display: grid; grid-template-columns: 112px 1fr; gap: 8px; padding: 12px 0; border-bottom: 1px solid var(--line); text-decoration: none; }
.span-row .range { font-variant-numeric: tabular-nums; color: var(--sub); font-size: 14px; }
.span-row small { color: var(--sub); }

/* detail */
.back { text-decoration: none; color: var(--accent); min-height: 44px; display: inline-flex; align-items: center; }
.dtitle { font-size: 22px; line-height: 1.35; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; margin: 12px 0; }
.facts { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 4px 14px; margin: 0; }
.facts dt { font-size: 13px; color: var(--sub); margin-top: 12px; }
.facts dd { margin: 2px 0 12px; padding-bottom: 10px; border-bottom: 1px solid var(--line); }
.facts dd:last-child { border-bottom: 0; }
.unk { color: var(--warn); }
.orig { margin: 18px 0; } .orig summary { min-height: 44px; display: flex; align-items: center; cursor: pointer; }
.orig .body { white-space: pre-wrap; font-size: 14px; background: var(--card); padding: 12px; border-radius: 10px; }
.changes { font-size: 13px; padding-left: 18px; color: var(--sub); }

/* forms */
.form { display: grid; gap: 12px; padding: 14px; }
.form label { display: grid; gap: 4px; font-size: 14px; color: var(--sub); }
input, select, textarea { font: inherit; font-size: 16px; color: var(--ink); background: var(--bg); border: 1px solid var(--line);
  border-radius: 10px; min-height: 44px; padding: 8px 10px; width: 100%; }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.search { display: flex; gap: 8px; margin: 12px 0; } .search input { flex: 1; }
.item { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; margin: 10px 0; }
.item.dim { opacity: .55; }
.isub { font-size: 14px; color: var(--sub); }
.iact { display: flex; gap: 14px; align-items: center; }
.iact a { color: var(--accent); text-decoration: none; padding: 10px 4px; }
.src b { font-weight: 600; }
.run summary { padding: 10px 0; cursor: pointer; font-size: 14px; }
.run ul { font-size: 13px; color: var(--sub); }
.badge { font-size: 12px; padding: 1px 8px; border-radius: 999px; color: #fff; background: var(--sub); }
.b-ok { background: var(--ok); } .b-partial { background: var(--warn); } .b-failed { background: var(--err); }
.err { color: var(--err); }
.login { max-width: 360px; margin: 12vh auto 0; text-align: center; }
.login .form { text-align: left; padding: 0; margin-top: 18px; }
.login img { border-radius: 16px; }

.tabbar { position: fixed; left: 0; right: 0; bottom: 0; display: grid; grid-template-columns: repeat(4, 1fr);
  background: color-mix(in srgb, var(--card) 88%, transparent); -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px);
  border-top: 1px solid var(--line); padding-bottom: env(safe-area-inset-bottom); }
.tabbar a { display: grid; justify-items: center; gap: 1px; padding: 6px 0; min-height: var(--tab-h); font-size: 11px;
  text-decoration: none; color: var(--sub); }
.tabbar a.on { color: var(--accent); }
.ti { font-size: 20px; line-height: 1.2; }

/* deck (簡報) */
.deck-top { display: flex; justify-content: space-between; align-items: center; min-height: 44px; }
.deck-count { color: var(--sub); font-variant-numeric: tabular-nums; font-size: 14px; }
.deck { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch;
  margin: 0 -16px; scrollbar-width: none; outline: none; scroll-behavior: smooth; }
.deck::-webkit-scrollbar { display: none; }
@media (prefers-reduced-motion: reduce) { .deck { scroll-behavior: auto; } }
.slide { flex: 0 0 100%; scroll-snap-align: center; scroll-snap-stop: always; padding: 4px 16px; }
.slide-in { background: var(--card); border: 1px solid var(--line); border-radius: 20px; padding: 20px 18px;
  min-height: calc(100dvh - env(safe-area-inset-top) - env(safe-area-inset-bottom) - 120px);
  display: flex; flex-direction: column; gap: 10px; }
.slide-title { font-size: 24px; line-height: 1.35; margin: 4px 0 0; }
.slide-when { display: flex; flex-wrap: wrap; align-items: baseline; gap: 10px; }
.slide-when b { font-size: 30px; font-variant-numeric: tabular-nums; letter-spacing: .01em; }
.slide-when span { color: var(--accent); font-weight: 600; }
.slide-what { font-size: 17px; margin: 0; }
.slide-cond { font-size: 15px; color: var(--sub); margin: 0; }
.slide-cond small { display: block; font-size: 12px; }
.slide-src { color: var(--sub); margin: 0; }
.slide-actions { margin-top: auto; display: grid; gap: 10px; }
.slide-actions .btn { width: 100%; }
.dots { display: flex; justify-content: center; gap: 6px; padding: 12px 0; }
.dots i { width: 7px; height: 7px; border-radius: 50%; background: var(--line); }
.dots i.on { background: var(--accent); }
.tag-ai { color: var(--event); border-color: currentColor; }
.deck-link { display: inline-flex; align-items: center; min-height: 44px; padding: 0 14px; border-radius: 12px;
  border: 1px solid var(--line); text-decoration: none; font-size: 15px; }