/* =============================================================================
   GongFu Dojo — shared base styles (brand tokens taken from gongfu.finance)
   -----------------------------------------------------------------------------
   Source of truth for the hub. apps/cracker/css/styles.css and
   apps/puzzle/css/styles.css start with an exact copy of this file (each app is
   deployed as its own Vercel project, so it can't reach ../../assets).
   If you change a token here, copy the block into both apps.
   ========================================================================== */
:root {
  /* gongfu.finance dark palette (--l-* tokens on the site) */
  --bg: #06100b;
  --panel: #0c1912;
  --panel-2: #11211a;
  --line: #1c3127;
  --line-soft: #a9d4bf2e;
  --ink: #e4f0e9;
  --ink-soft: #cfe0d6;
  --muted: #8ba398;
  --muted-2: #6f887c;
  --jade: #4cd69c;
  --jade-deep: #3bbd86;
  --mint: #9ce7c4;            /* primary button on dark ("Buy GF") */
  --celadon: #2a6b52;
  --celadon-2: #216a50;
  --water: #1d5343;
  --sun: #e7b45a;             /* sparing highlight: the prize */
  --cinnabar: #f08a7c;        /* warnings only */

  --sans: "Inter", "Helvetica Neue", Arial, sans-serif;
  --head: "Manrope", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  --display: "Cormorant Garamond", Georgia, serif;
  --hanzi: "Noto Serif SC", "Cormorant Garamond", serif;
  --mono: ui-monospace, "SFMono-Regular", "JetBrains Mono", Menlo, Consolas, monospace;

  --r-md: 20px;
  --r-lg: 28px;
  --ease: cubic-bezier(.22, .61, .21, 1);
  --wrap: 1120px;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  background:
    radial-gradient(1200px 600px at 85% -10%, #1d534333, transparent 60%),
    radial-gradient(900px 500px at -10% 10%, #2a6b5226, transparent 60%),
    var(--bg);
  color: var(--ink);
  font: 16px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--jade); text-decoration: none; }
a:hover { color: var(--mint); }
code, .mono { font-family: var(--mono); font-size: .92em; }
.mono { overflow-wrap: anywhere; }
.small { font-size: .875rem; }
.muted { color: var(--muted); }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--jade); outline-offset: 3px; border-radius: 6px; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 16px; }
@media (min-width: 720px) { .wrap { padding: 0 28px; } }

/* ---- header ---------------------------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 20;
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  background: #06100bcc; border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; gap: 14px; min-height: 64px; flex-wrap: wrap; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); font: 800 18px/1 var(--head); letter-spacing: -.01em; }
.brand:hover { color: var(--ink); }
.brand img { width: 34px; height: 34px; border-radius: 9px; }
.brand .brand-sub { color: var(--muted); font-weight: 600; }
.site-nav { display: flex; gap: 4px 16px; flex-wrap: wrap; margin-left: auto; font: 600 14px/1 var(--head); }
.site-nav a { color: var(--muted); padding: 8px 2px; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--ink); }
.lang-switch { display: inline-flex; border: 1px solid var(--line); border-radius: 999px; padding: 3px; gap: 2px; }
.lang-btn { background: none; border: 0; color: var(--muted); font: 700 12px/1 var(--head); padding: 7px 9px; border-radius: 999px; cursor: pointer; }
.lang-btn:hover { color: var(--ink); }
.lang-btn.active, .lang-btn.is-active { background: var(--celadon-2); color: #fff; }
@media (max-width: 719px) {
  .site-nav { order: 3; width: 100%; margin: 0 0 8px; gap: 4px 14px; }
  .lang-switch { margin-left: auto; }
}

/* ---- type ------------------------------------------------------------------ */
h1, h2, h3 { font-family: var(--head); letter-spacing: -.02em; line-height: 1.12; margin: 0; }
h1 { font-weight: 800; font-size: clamp(32px, 6vw, 60px); }
h2 { font-weight: 800; font-size: clamp(24px, 3.4vw, 36px); }
h3 { font-weight: 700; font-size: 19px; }
.eyebrow { font: 600 12px/1.4 var(--mono); letter-spacing: .18em; text-transform: uppercase; color: var(--jade); margin: 0 0 14px; }
.lead { color: var(--ink-soft); font-size: clamp(17px, 2vw, 20px); font-weight: 500; margin: 18px 0 0; max-width: 62ch; }
.hl { color: var(--jade); }
.gold { color: var(--sun); }

/* ---- buttons ----------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 0 24px; border-radius: 999px;
  font: 700 16px/1 var(--head); cursor: pointer; text-align: center;
  border: 2px solid transparent; transition: transform .15s var(--ease), background .2s, border-color .2s, color .2s;
}
.btn:active { transform: translateY(1px); }
.btn[disabled] { opacity: .45; cursor: not-allowed; }
.btn-primary { background: var(--mint); color: #08100d; border-color: var(--mint); }
.btn-primary:hover:not([disabled]) { background: #b6f0d5; color: #08100d; }
.btn-ghost { background: transparent; color: var(--mint); border-color: #9ce7c452; }
.btn-ghost:hover:not([disabled]) { border-color: var(--mint); color: var(--mint); }
.btn-quiet { background: var(--panel-2); color: var(--ink); border-color: var(--line); }
.btn-quiet:hover:not([disabled]) { border-color: var(--muted-2); color: var(--ink); }
.btn-lg { min-height: 58px; padding: 0 32px; font-size: 18px; }

/* ---- surfaces ---------------------------------------------------------------- */
.section { padding: clamp(48px, 7vw, 88px) 0; }
.section + .section { padding-top: 0; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r-lg); padding: clamp(20px, 3vw, 32px); }
.card-soft { background: linear-gradient(180deg, #11211a, #0c1912); }
.grid-3 { display: grid; gap: 16px; }
@media (min-width: 820px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }
.grid-2 { display: grid; gap: 16px; }
@media (min-width: 820px) { .grid-2 { grid-template-columns: repeat(2, 1fr); } }
.section-head { margin-bottom: 28px; max-width: 760px; }
.section-head p { color: var(--muted); margin: 12px 0 0; font-size: 17px; }

.pill { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: 999px; border: 1px solid var(--line-soft); color: var(--ink-soft); font: 600 13px/1.2 var(--head); background: #f6f3ea0e; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--jade); box-shadow: 0 0 0 4px #4cd69c22; }

.note { border-left: 3px solid var(--jade); padding: 4px 0 4px 14px; color: var(--ink-soft); }
.note.warn { border-color: var(--cinnabar); }

/* anti-scam bar */
.safety { display: flex; gap: 12px; align-items: flex-start; background: #f08a7c12; border: 1px solid #f08a7c40; border-radius: var(--r-md); padding: 14px 16px; color: var(--ink-soft); font-size: 15px; }
.safety svg { flex: none; color: var(--cinnabar); margin-top: 2px; }
.safety strong { color: var(--ink); }

/* hanzi watermark */
.hanzi { font-family: var(--hanzi); font-weight: 600; }

/* ---- footer ------------------------------------------------------------------ */
.site-footer { border-top: 1px solid var(--line); margin-top: 40px; padding: 40px 0 56px; color: var(--muted); }
.site-footer .motto { font-family: var(--display); font-size: clamp(22px, 3vw, 30px); color: var(--ink); margin: 0 0 6px; font-style: italic; }
.site-footer nav { display: flex; gap: 8px 18px; flex-wrap: wrap; margin: 18px 0; font: 600 14px/1.4 var(--head); }
.site-footer nav a { color: var(--muted); }
.site-footer nav a:hover { color: var(--ink); }
.site-footer .fine { font-size: 13px; color: var(--muted-2); max-width: 80ch; }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }

/* =============================================================================
   Weekly puzzle — page-specific styles
   ========================================================================== */
.btn-sm { min-height: 38px; padding: 0 16px; font-size: 14px; }
.account { color: var(--ink-soft); font-size: 13px; }
.account:empty { display: none; }
.site-header .btn-sm { order: 2; }
@media (max-width: 719px) { .site-header .btn-sm { margin-left: auto; } .site-header .lang-switch { margin-left: 0; } }

.hero { padding-top: clamp(36px, 6vw, 72px); }
.hero-grid { display: grid; gap: 28px; align-items: start; }
@media (min-width: 980px) { .hero-grid { grid-template-columns: 1.2fr .8fr; gap: 48px; } }
.hero h1 .hl { display: block; }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }

.prize-card { position: relative; overflow: hidden; }
.prize-card::after { content: "功"; position: absolute; right: -16px; bottom: -44px; font: 600 190px/1 var(--hanzi); color: #4cd69c0d; pointer-events: none; }
.prize-label { font: 600 12px/1.4 var(--mono); letter-spacing: .16em; text-transform: uppercase; color: var(--muted); margin: 0; }
.prize-value { font: 800 clamp(36px, 5vw, 52px)/1.05 var(--head); color: var(--sun); letter-spacing: -.03em; margin: 8px 0 4px; }
.prize-sub { margin: 0 0 18px; }
.countdown { display: grid; gap: 2px; padding: 16px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); position: relative; z-index: 1; }
.cd-label { color: var(--muted); text-transform: uppercase; letter-spacing: .08em; font-weight: 600; font-size: 12px; }
.cd-value { font: 800 30px/1.2 var(--head); font-variant-numeric: tabular-nums; color: var(--ink); }
.week-dots { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; margin: 16px 0 6px; position: relative; z-index: 1; }
.week-dots span { text-align: center; font: 700 12px/1 var(--head); color: var(--muted-2); padding: 8px 0; border-radius: 999px; border: 1px solid var(--line); }
.week-dots span.on { color: #08100d; background: var(--mint); border-color: var(--mint); }
.meta { margin: 10px 0 0; position: relative; z-index: 1; overflow-wrap: anywhere; }

.ref-banner { background: #4cd69c14; border: 1px solid #4cd69c40; border-radius: var(--r-md); padding: 12px 16px; color: var(--ink-soft); margin-bottom: 8px; overflow-wrap: anywhere; }

.clues { list-style: none; padding: 0; margin: 0; display: grid; gap: 16px; }
@media (min-width: 720px) { .clues { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .clues { grid-template-columns: repeat(4, 1fr); } }
.clue { display: grid; gap: 8px; align-content: start; }
.clue-top { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.clue-n { width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; border: 2px solid var(--celadon); color: var(--mint); font: 800 16px/1 var(--head); }
.clue.is-open .clue-n { background: var(--mint); color: #08100d; border-color: var(--mint); }
.clue-day { font: 600 12px/1.3 var(--head); color: var(--muted); text-align: right; }
.clue.is-open .clue-day { color: var(--jade); }
.clue-where { margin: 4px 0 0; font: 700 15px/1.3 var(--head); color: var(--ink); }
.clue-text { margin: 0; color: var(--ink-soft); }
.clue.is-locked { background: repeating-linear-gradient(135deg, var(--panel), var(--panel) 12px, #0e1c15 12px, #0e1c15 24px); }
.clue-link { font: 700 14px/1 var(--head); margin-top: 4px; }
.assemble { margin: 24px 0 0; }

.submit-grid { display: grid; gap: 28px; align-items: start; }
@media (min-width: 900px) { .submit-grid { grid-template-columns: 1fr 1fr; gap: 48px; } }
.submit-grid h2 { margin-bottom: 12px; }
.mini-steps { padding-left: 20px; color: var(--ink-soft); display: grid; gap: 8px; }
.action-card { display: grid; gap: 14px; }
.action { display: grid; gap: 10px; }
.action label { font: 700 14px/1.3 var(--head); color: var(--ink-soft); }
.action input, .invite-form input { width: 100%; min-height: 48px; border-radius: 14px; border: 1px solid var(--line); background: var(--bg); color: var(--ink); padding: 0 14px; font: 15px var(--mono); }
.action input:focus, .invite-form input:focus { outline: none; border-color: var(--jade); }
.contract-line { margin: 0; overflow-wrap: anywhere; }
.status { border-radius: 14px; padding: 12px 14px; font: 600 15px/1.5 var(--head); }
.status-info { background: #4cd69c12; border: 1px solid #4cd69c33; color: var(--ink-soft); }
.status-ok { background: #4cd69c22; border: 1px solid var(--jade); color: var(--ink); }
.status-warn { background: #f08a7c14; border: 1px solid #f08a7c55; color: var(--ink); }

.invite-card { display: grid; gap: 24px; }
@media (min-width: 900px) { .invite-card { grid-template-columns: 1.1fr .9fr; align-items: center; padding: 40px; } }
.invite-card h2 { margin-bottom: 12px; }
.invite-form { display: grid; gap: 10px; }
.invite-form label { font: 700 14px/1.3 var(--head); color: var(--ink-soft); }
.share-row { display: flex; gap: 8px; }
.share-row input { flex: 1; min-width: 0; }
.split-bar { display: flex; height: 40px; border-radius: 999px; overflow: hidden; margin: 18px 0 0; font: 800 14px/40px var(--head); }
.split-bar span { padding: 0 14px; }
.split-bar span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; font-size: 13px; }
.split-bar .seg-w  { background: var(--mint); color: #08100d; }
.split-bar .seg-l1 { background: var(--celadon); color: #fff; }
.split-bar .seg-l2 { background: var(--celadon-2); color: #fff; filter: brightness(.85); }
.split-bar .seg-l3 { background: #1a4a39; color: #fff; }

.fair h3 { margin-bottom: 8px; }
.fair p { margin: 0; color: var(--muted); }

.season-track { list-style: none; padding: 0; margin: 0 0 20px; display: grid; gap: 12px; }
@media (min-width: 900px) { .season-track { grid-template-columns: repeat(5, 1fr); } }
.wk { display: flex; gap: 12px; align-items: center; padding: 16px; border-radius: var(--r-md); border: 1px solid var(--line); background: var(--panel); }
.wk > div { display: grid; gap: 2px; min-width: 0; }
.wk strong { font: 700 15px/1.3 var(--head); }
.wk-n { flex: none; width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center; border: 2px solid var(--line); color: var(--muted); font: 800 15px/1 var(--head); }
.wk-current { border-color: var(--jade); background: linear-gradient(180deg, #4cd69c14, var(--panel)); }
.wk-current .wk-n { background: var(--mint); border-color: var(--mint); color: #08100d; }
.wk-done .wk-n { border-color: var(--celadon); color: var(--mint); }
.wk-final { border-color: #e7b45a66; }
.wk-final .wk-n { border-color: var(--sun); color: var(--sun); font-family: var(--hanzi); }
.wk-final strong { color: var(--sun); }

.leaderboard { display: grid; gap: 14px; }
.lb-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.lb-cols { display: grid; gap: 16px; }
@media (min-width: 720px) { .lb-cols { grid-template-columns: 1fr 1fr; } }
.lb-cols p { margin: 0 0 8px; text-transform: uppercase; letter-spacing: .08em; font-weight: 600; }
.lb-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.lb-empty { padding: 12px 14px; border-radius: 12px; border: 1px dashed var(--line); color: var(--muted-2); font-size: 14px; }
.leaderboard > p { margin: 0; }

.gf-card { display: grid; gap: 10px; align-content: start; color: var(--ink); }
.gf-card .eyebrow { margin: 0; }
.gf-card .display { font-family: var(--display); font-style: italic; font-weight: 500; font-size: clamp(30px, 4vw, 44px); letter-spacing: 0; }
.gf-card p { margin: 0; }
.cracker-card { transition: border-color .2s; }
.cracker-card:hover { border-color: var(--jade); color: var(--ink); }
.cracker-card h2 { color: var(--ink); }
.go { color: var(--jade); font: 700 15px/1 var(--head); margin-top: 6px; }
.safety p { margin: 0; }

/* how-to-take-part under the hero */
.how-now { padding-top: 0; }
.take-steps { list-style: none; padding: 0; margin: 0; display: grid; gap: 16px; }
@media (min-width: 640px) { .take-steps { grid-template-columns: repeat(2, 1fr); } }
.take-steps li { display: flex; gap: 16px; align-items: flex-start; }
.take-steps h3 { margin-bottom: 6px; }
.take-steps p { margin: 0; color: var(--muted); }
.step-n { flex: none; width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; border: 2px solid var(--celadon); color: var(--mint); font: 800 16px/1 var(--head); }
/* repost blurb */
.blurb { margin-top: 8px; padding: 14px; border-radius: 16px; background: var(--bg); border: 1px dashed var(--line-soft); display: grid; gap: 8px; }
.blurb-label { margin: 0; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; font-weight: 600; font-size: 12px; }
.blurb-text { margin: 0; color: var(--ink-soft); font-size: 15px; }
.blurb .btn { justify-self: start; }

/* GongFu registration gate (v0.3) */
.gf-register { padding: 18px; border-radius: 18px; border: 1px solid #e7b45a55; background: #e7b45a12; }
.gf-register h3 { margin: 0; color: var(--sun); }
.gf-register p { margin: 0; }
.gf-register .cta-row { margin-top: 6px; }
.warn-line { color: var(--cinnabar); margin: 0; }
.split-legend { list-style: none; padding: 0; margin: 12px 0 0; display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: 14px; color: var(--ink-soft); }
.split-legend li::before { content: ""; display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 8px; vertical-align: 0; }
.split-legend .seg-w::before  { background: var(--mint); }
.split-legend .seg-l1::before { background: var(--celadon); }
.split-legend .seg-l2::before { background: var(--celadon-2); filter: brightness(.85); }
.split-legend .seg-l3::before { background: #1a4a39; box-shadow: 0 0 0 1px #2a6b52; }

/* =============================================================================
   Epoch draw (apps/draw)
   ========================================================================== */
.prize-extra { list-style: none; padding: 0; margin: 0 0 14px; display: grid; gap: 4px; color: var(--ink-soft); position: relative; z-index: 1; }
.prize-extra .gold { color: var(--sun); font-weight: 600; }
.play-steps { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 16px; }
@media (min-width: 980px) { .play-steps { grid-template-columns: repeat(2, 1fr); } }
.play-step { display: flex; gap: 16px; align-items: flex-start; }
.play-step .step-body { flex: 1; min-width: 0; display: grid; gap: 10px; }
.play-step h3 { margin: 0; }
.play-step p { margin: 0; }
.play-step.is-done { border-color: #4cd69c66; }
.play-step.is-done .step-n { background: var(--jade); border-color: var(--jade); color: #08100d; }
.step-actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.miner { display: grid; gap: 6px; }
.miner-bar { height: 10px; border-radius: 999px; background: var(--panel-2); border: 1px solid var(--line); overflow: hidden; }
.miner-bar span { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--celadon), var(--jade)); transition: width .4s ease; }
.miner-line { font-family: var(--head); }
.post-box { display: grid; gap: 8px; padding: 14px; border-radius: 16px; border: 1px dashed var(--line-soft); background: var(--bg); }
.post-text { margin: 0; color: var(--ink); font-size: 16px; white-space: pre-line; }
.field-label { font: 700 14px/1.3 var(--head); color: var(--ink-soft); }
.field { width: 100%; min-height: 48px; border-radius: 14px; border: 1px solid var(--line); background: var(--bg); color: var(--ink); padding: 0 14px; font: 15px var(--mono); }
.field:focus { outline: none; border-color: var(--jade); }
.warn-line { color: var(--cinnabar); margin: 0; }
.btn-xs { min-height: 30px; padding: 0 12px; font-size: 13px; margin-top: 6px; }
.win-banner { margin: 18px 0 0; border-color: var(--sun); background: radial-gradient(520px 220px at 0% 0%, #e7b45a26, transparent 70%), var(--panel); }
.win-banner h2 { color: var(--sun); margin: 0; }
.hist-card { display: grid; gap: 12px; }
.hist-scroll { overflow-x: auto; }
.hist { width: 100%; border-collapse: collapse; font-size: 15px; min-width: 620px; }
.hist th { text-align: left; color: var(--muted); font: 600 12px/1.4 var(--mono); letter-spacing: .08em; text-transform: uppercase; padding: 8px 10px; border-bottom: 1px solid var(--line); }
.hist td { padding: 10px; border-bottom: 1px solid var(--line); vertical-align: top; font-variant-numeric: tabular-nums; }
.hist tr.is-me td { color: var(--sun); }
.text-links a { color: var(--mint); }
.go-link { color: var(--mint); font: 700 17px/1.4 var(--head); text-decoration: none; }
.go-link:hover { text-decoration: underline; }
.contract-line { margin-top: 18px; }