/* ── Tokens ─────────────────────────────────────────────────────────────── */
:root {
  --bg: #f4f1e6;
  --card: #fffdf7;
  --card-alt: #ece7d6;
  --border: #d8d2bd;
  --ink: #14201a;
  --ink-dim: #5b6b60;
  --money: #1c6b46;
  --money-bright: #2f9463;
  --money-wash: rgba(28, 107, 70, .08);
  --brass: #ad8a2e;
  --brass-wash: rgba(173, 138, 46, .12);
  --radius: 10px;
  --display: 'Bebas Neue', 'Arial Narrow', sans-serif;
  --sans: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0a0f0c;
    --card: #131a15;
    --card-alt: #0e1411;
    --border: #253026;
    --ink: #eef1ea;
    --ink-dim: #8b9a8f;
    --money: #37a86e;
    --money-bright: #52c98a;
    --money-wash: rgba(55, 168, 110, .12);
    --brass: #d9b45a;
    --brass-wash: rgba(217, 180, 90, .14);
  }
}
:root[data-theme="dark"] {
  --bg: #0a0f0c;
  --card: #131a15;
  --card-alt: #0e1411;
  --border: #253026;
  --ink: #eef1ea;
  --ink-dim: #8b9a8f;
  --money: #37a86e;
  --money-bright: #52c98a;
  --money-wash: rgba(55, 168, 110, .12);
  --brass: #d9b45a;
  --brass-wash: rgba(217, 180, 90, .14);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.5;
}

a { color: inherit; }
.money { color: var(--money); }
.brass { color: var(--brass); }

h1, h2, h3 {
  font-family: var(--display);
  font-weight: 400;
  letter-spacing: .01em;
  margin: 0 0 .3em;
  text-wrap: balance;
}

.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }

/* ── Header + ticker ───────────────────────────────────────────────────── */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 6vw;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 50;
}
.brand {
  font-family: var(--display);
  font-size: 1.9rem;
  letter-spacing: .02em;
  text-decoration: none;
  line-height: 1;
}
.brand .dot { color: var(--ink-dim); font-family: var(--mono); font-size: 1rem; letter-spacing: 0; }
.site-header nav { display: flex; align-items: center; gap: 24px; }
.site-header nav a { text-decoration: none; color: var(--ink-dim); font-weight: 500; font-size: .92rem; }
.site-header nav a:hover { color: var(--ink); }

.ticker {
  border-bottom: 1px solid var(--border);
  background: var(--card-alt);
  overflow: hidden;
  white-space: nowrap;
  position: sticky;
  top: 61px;
  z-index: 49;
}
.ticker-track {
  display: inline-flex;
  gap: 48px;
  padding: 8px 0;
  font-family: var(--mono);
  font-size: .78rem;
  color: var(--ink-dim);
  animation: ticker 32s linear infinite;
}
.ticker-track span { white-space: nowrap; }
.ticker-track .up { color: var(--money); }
@keyframes ticker {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .ticker-track { animation: none; overflow-x: auto; }
}

/* ── Buttons ───────────────────────────────────────────────────────────── */
.btn {
  display: inline-block;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 10px 20px;
  font-weight: 600;
  font-size: .92rem;
  cursor: pointer;
  text-decoration: none;
  font-family: var(--sans);
  transition: transform .12s ease, box-shadow .12s ease, background .12s ease;
}
.btn:active { transform: scale(.97); }
.btn-gold { background: var(--money); color: #fff; }
.btn-gold:hover { background: var(--money-bright); box-shadow: 0 4px 18px var(--money-wash); }
.btn-ghost { background: transparent; border-color: var(--border); color: var(--ink); }
.btn-ghost:hover { border-color: var(--money); }
.btn-outline { background: transparent; border-color: var(--money); color: var(--money); }
.btn-outline:hover { background: var(--money); color: #fff; }
.btn-lg { padding: 14px 30px; font-size: 1rem; }
.btn-sm { padding: 7px 14px; font-size: .82rem; }
.btn-block { display: block; width: 100%; text-align: center; margin-top: 8px; }

/* ── Hero ──────────────────────────────────────────────────────────────── */
.hero {
  max-width: 780px;
  margin: 0 auto;
  padding: 80px 6vw 56px;
  text-align: center;
}
.eyebrow {
  color: var(--money);
  text-transform: uppercase;
  letter-spacing: .18em;
  font-size: .75rem;
  font-weight: 600;
  font-family: var(--mono);
  margin-bottom: 16px;
}
.hero h1 { font-size: clamp(3rem, 8vw, 5.2rem); line-height: .95; }
.hero .sub { color: var(--ink-dim); font-size: 1.08rem; max-width: 560px; margin: 20px auto 32px; }
.hero-cta { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.leader-note { margin-top: 26px; color: var(--ink-dim); font-size: .95rem; font-family: var(--mono); }
.result-page { padding-top: 56px; }

/* ── Leaderboard (scoreboard) ─────────────────────────────────────────── */
.leaderboard { max-width: 760px; margin: 0 auto; padding: 30px 6vw 76px; }
.leaderboard h2 { text-align: center; font-size: 2.4rem; margin-bottom: 6px; }
.leaderboard .lb-sub { text-align: center; color: var(--ink-dim); font-family: var(--mono); font-size: .82rem; margin-bottom: 26px; }
.lb-list { display: flex; flex-direction: column; gap: 8px; }
.empty-state { text-align: center; color: var(--ink-dim); padding: 40px 0; font-family: var(--mono); }

.lb-row {
  display: grid;
  grid-template-columns: 40px 44px 1fr auto auto;
  align-items: center;
  gap: 14px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 11px 15px;
  transition: border-color .12s ease;
}
.lb-row:hover { border-color: var(--money); }
.lb-row.lb-first {
  background: linear-gradient(90deg, var(--brass-wash), transparent 70%);
  border-color: var(--brass);
}
.lb-rank { font-family: var(--mono); font-weight: 600; text-align: center; color: var(--ink-dim); font-size: .95rem; }
.lb-first .lb-rank { color: var(--brass); font-weight: 700; }
.lb-avatar {
  width: 44px; height: 44px; border-radius: 6px;
  background: var(--card-alt) center/cover no-repeat;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--display); font-size: 1.2rem; color: var(--money);
  border: 1px solid var(--border);
}
.lb-info { min-width: 0; }
.lb-name { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lb-name a { text-decoration: none; }
.lb-name a:hover { color: var(--money); }
.lb-tagline { color: var(--ink-dim); font-size: .82rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lb-amount { font-family: var(--mono); font-weight: 600; color: var(--money); white-space: nowrap; font-size: .98rem; }
.lb-first .lb-amount { color: var(--brass); }

/* ── How it works ──────────────────────────────────────────────────────── */
.how { max-width: 960px; margin: 0 auto; padding: 30px 6vw 96px; }
.how h2 { text-align: center; font-size: 2.4rem; margin-bottom: 34px; }
.how-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px; }
.how-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; }
.how-num { font-family: var(--mono); color: var(--money); font-size: .85rem; font-weight: 600; margin-bottom: 6px; }
.how-card h3 { font-size: 1.3rem; margin-bottom: .2em; }
.how-card p { color: var(--ink-dim); font-size: .92rem; margin: 0; }

/* ── Footer ────────────────────────────────────────────────────────────── */
.site-footer { text-align: center; padding: 36px 6vw 56px; color: var(--ink-dim); font-size: .82rem; border-top: 1px solid var(--border); }
.fineprint { font-size: .74rem; opacity: .75; margin-top: 6px; font-family: var(--mono); }

/* ── Modal ─────────────────────────────────────────────────────────────── */
.modal {
  position: fixed; inset: 0; background: rgba(10, 15, 12, .55);
  display: flex; align-items: center; justify-content: center;
  padding: 20px; z-index: 100;
}
.modal[hidden] { display: none; }
.modal-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 30px; width: 100%; max-width: 420px; position: relative;
}
.modal-close {
  position: absolute; top: 12px; right: 14px; background: none; border: none;
  color: var(--ink-dim); font-size: 1.5rem; cursor: pointer; line-height: 1;
}
.modal-close:hover { color: var(--ink); }
.modal-sub { color: var(--ink-dim); font-size: .88rem; margin-top: -4px; margin-bottom: 18px; }
.modal-card form { display: flex; flex-direction: column; gap: 13px; }
.modal-card label { display: flex; flex-direction: column; gap: 6px; font-size: .82rem; color: var(--ink-dim); }
.modal-card input {
  background: var(--bg); border: 1px solid var(--border); border-radius: 6px;
  padding: 10px 11px; color: var(--ink); font-size: .92rem; font-family: var(--sans);
}
.modal-card input:focus { outline: none; border-color: var(--money); }
.modal-card input[name="amount"] { font-family: var(--mono); }

@media (max-width: 560px) {
  .lb-row { grid-template-columns: 28px 38px 1fr; row-gap: 4px; }
  .lb-amount, .lb-row > .btn { justify-self: start; }
  .ticker { top: 57px; }
}