:root {
  color-scheme: light;
  --radius: 8px;
  --shadow: 0 18px 48px rgba(15, 23, 42, .14);
  --line: rgba(15, 23, 42, .14);
  --surface: #fff;
  --ink: #161616;
  --muted: #667085;
  --primary: #ff4d00;
  --accent: #ffd600;
  --bg: #fff7ed;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: Arial, Helvetica, sans-serif; color: var(--ink); background: var(--bg); letter-spacing: 0; }
.theme-gv { --primary: #ff4d00; --accent: #ffd600; --bg: #120b08; --surface: #1f1510; --ink: #fff7ed; --muted: #ffd8c2; color: var(--ink); }
.theme-gb { --primary: #7c3aed; --accent: #2dd4e8; --bg: #ffffff; --surface: #ffffff; --ink: #1f1633; --muted: #655b7a; }
.topbar { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 14px clamp(16px, 4vw, 48px); background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(14px); border-bottom: 1px solid var(--line); }
.brand-mark { color: var(--ink); text-decoration: none; font-weight: 900; font-size: 20px; }
nav { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
nav a { color: var(--ink); text-decoration: none; font-size: 14px; }
button, input, textarea { font: inherit; }
button { min-height: 42px; border-radius: var(--radius); cursor: pointer; }
.primary-btn { border: 0; background: var(--primary); color: #fff; padding: 0 18px; font-weight: 800; box-shadow: 0 10px 28px color-mix(in srgb, var(--primary) 35%, transparent); }
.ghost-btn, .google-btn { border: 1px solid var(--line); background: var(--surface); color: var(--ink); padding: 0 14px; font-weight: 700; }
.account-menu { position: absolute; z-index: 30; width: min(250px, calc(100vw - 24px)); padding: 10px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); color: var(--ink); box-shadow: var(--shadow); }
.account-menu span { display: block; margin-bottom: 8px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 13px; color: var(--muted); }
.account-menu .ghost-btn { width: 100%; }
.google-btn { width: 100%; margin-top: 10px; }
.hero { min-height: 86vh; display: grid; grid-template-columns: minmax(280px, .8fr) minmax(320px, 1.2fr); gap: clamp(24px, 5vw, 64px); align-items: center; padding: clamp(28px, 6vw, 72px); overflow: hidden; }
.theme-gv .hero { background: radial-gradient(circle at 74% 24%, rgba(255,77,0,.38), transparent 34%), radial-gradient(circle at 88% 72%, rgba(255,214,0,.2), transparent 32%), #120b08; }
.theme-gb .hero { background: linear-gradient(135deg, #ffffff, #f8f2ff 55%, #e9fbff); }
.eyebrow { margin: 0 0 10px; color: var(--primary); font-size: 13px; font-weight: 900; text-transform: uppercase; }
h1 { margin: 0 0 16px; font-size: clamp(42px, 8vw, 94px); line-height: .92; max-width: 920px; }
h2 { margin: 0 0 12px; font-size: clamp(28px, 4vw, 52px); line-height: 1; }
h3, p { margin-top: 0; }
.hero-copy p:not(.eyebrow) { max-width: 620px; font-size: 18px; color: var(--muted); }
.hero-products, .product-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; }
.product-card { min-height: 260px; padding: 12px; border: 1px solid var(--line); border-radius: var(--radius); background: color-mix(in srgb, var(--surface) 92%, var(--primary)); box-shadow: var(--shadow); overflow: hidden; }
.product-card img { width: 100%; aspect-ratio: 4 / 3; object-fit: contain; border-radius: 6px; background: #fff; }
.product-card span { display: inline-block; margin: 8px 0; color: var(--primary); font-size: 12px; font-weight: 900; }
.product-card h3 { margin: 0 0 8px; font-size: 18px; }
.product-card p { color: var(--muted); font-size: 13px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.section { padding: clamp(42px, 7vw, 86px) clamp(16px, 5vw, 72px); border-top: 1px solid var(--line); }
.story-band { display: grid; grid-template-columns: minmax(280px, .8fr) minmax(280px, 1fr); gap: 24px; align-items: stretch; }
.story-card, .result-card, .story-form, .prize-grid article { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); padding: 22px; box-shadow: var(--shadow); }
.leaderboard ol { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.leaderboard li { display: grid; grid-template-columns: 54px 64px 1fr auto; gap: 12px; align-items: center; padding: 10px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.leaderboard img { width: 64px; height: 48px; object-fit: contain; background: #fff; border-radius: 6px; }
.leaderboard em { color: var(--primary); font-style: normal; font-weight: 800; }
.prize-grid { display: grid; grid-template-columns: repeat(4, minmax(160px, 1fr)); gap: 14px; }
.prize-grid .section-title { grid-column: 1 / -1; }
.prize-grid strong { display: block; font-size: 22px; margin-bottom: 10px; }
.matrix .product-grid { margin: 20px 0; }
.round-label { display: inline-flex; padding: 8px 12px; border-radius: var(--radius); color: #fff; background: var(--primary); font-weight: 900; margin-bottom: 16px; }
.matchup { display: grid; grid-template-columns: repeat(2, minmax(220px, 1fr)); gap: 18px; }
.match-card { text-align: left; border: 1px solid var(--line); background: var(--surface); padding: 16px; border-radius: var(--radius); color: var(--ink); min-height: 420px; box-shadow: var(--shadow); }
.match-card img { width: 100%; aspect-ratio: 4 / 3; object-fit: contain; border-radius: 6px; background: #fff; }
.helper { color: var(--muted); }
.result[hidden] { display: none; }
.result-card { text-align: center; max-width: 720px; margin: 0 auto 18px; }
.result-card img { width: min(420px, 100%); aspect-ratio: 4 / 3; object-fit: contain; background: #fff; border-radius: var(--radius); }
.button-row { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-top: 16px; }
.story-form { max-width: 720px; margin: 0 auto; display: grid; gap: 10px; }
textarea, input { width: 100%; border: 1px solid var(--line); border-radius: var(--radius); padding: 12px; background: #fff; color: #111827; }
.login-dialog { border: 0; border-radius: var(--radius); padding: 0; max-width: 460px; width: calc(100% - 28px); }
.login-dialog::backdrop { background: rgba(0,0,0,.54); }
.login-card { padding: 22px; display: grid; gap: 10px; }
.close { justify-self: end; width: 36px; min-height: 36px; border: 0; background: transparent; font-size: 24px; }
.code-row { display: grid; grid-template-columns: auto 1fr; gap: 10px; }
.toast { position: fixed; left: 50%; bottom: 22px; transform: translateX(-50%); padding: 12px 14px; border-radius: var(--radius); background: #111827; color: #fff; z-index: 20; box-shadow: var(--shadow); }
.admin-layout { display: grid; grid-template-columns: 250px 1fr; min-height: 100vh; background: #f5f7fb; color: #17202a; }
.admin-side { background: #121826; color: #fff; padding: 22px; }
.admin-side a { display: block; color: #dbeafe; text-decoration: none; padding: 10px 0; }
.admin-main { padding: 24px; }
.admin-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 14px; }
.admin-card { background: #fff; border: 1px solid #d0d5dd; border-radius: 8px; padding: 16px; }
.status-tag { display: inline-block; padding: 4px 8px; border-radius: 999px; background: #fffaeb; color: #b54708; font-size: 12px; font-weight: 800; }
@media (max-width: 820px) {
  .hero, .story-band, .matchup { grid-template-columns: 1fr; }
  .topbar { align-items: flex-start; }
  nav { justify-content: flex-end; }
  .prize-grid { grid-template-columns: 1fr; }
  .leaderboard li { grid-template-columns: 40px 52px 1fr; }
  .leaderboard em { grid-column: 3; }
  .admin-layout { grid-template-columns: 1fr; }
}