:root {
  color-scheme: dark;
  --ink: #f8f4e9;
  --muted: #b9c4ba;
  --bg: #071813;
  --panel: rgba(12, 39, 31, 0.82);
  --line: rgba(255,255,255,0.13);
  --gold: #d6b65b;
  --red: #b93434;
  --green: #1f8a5b;
  --blue: #1d6389;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    linear-gradient(135deg, rgba(185,52,52,.22), transparent 28%),
    linear-gradient(225deg, rgba(29,99,137,.28), transparent 32%),
    radial-gradient(circle at 52% 14%, rgba(214,182,91,.2), transparent 28%),
    var(--bg);
  color: var(--ink);
}
button, input { font: inherit; }
button {
  border: 0;
  border-radius: 8px;
  background: var(--gold);
  color: #181207;
  font-weight: 800;
  min-height: 42px;
  padding: 0 16px;
  cursor: pointer;
}
button.secondary, .tab { background: rgba(255,255,255,.08); color: var(--ink); border: 1px solid var(--line); }
button:disabled { opacity: .55; cursor: wait; }
input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(0,0,0,.22);
  color: var(--ink);
  min-height: 42px;
  padding: 0 12px;
}
.app-shell { width: min(1240px, calc(100% - 32px)); margin: 0 auto; padding: 24px 0 48px; }
.hero {
  min-height: 360px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 24px;
  align-items: end;
  padding: 34px;
  border: 1px solid var(--line);
  background:
    linear-gradient(120deg, rgba(7,24,19,.2), rgba(7,24,19,.9)),
    repeating-linear-gradient(90deg, rgba(214,182,91,.12) 0 1px, transparent 1px 44px),
    linear-gradient(140deg, rgba(31,138,91,.5), rgba(185,52,52,.35) 48%, rgba(29,99,137,.48));
  border-radius: 8px;
  overflow: hidden;
}
.eyebrow { color: var(--gold); font-weight: 800; text-transform: uppercase; font-size: 12px; letter-spacing: .08em; margin: 0 0 10px; }
h1 { font-size: clamp(44px, 8vw, 92px); line-height: .9; margin: 0; letter-spacing: 0; }
h2 { margin: 0; font-size: 24px; }
.lead { max-width: 640px; color: #e6eadf; font-size: 18px; line-height: 1.5; }
.hero-panel, .side-panel, .match-card { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; backdrop-filter: blur(14px); }
.hero-panel { padding: 20px; }
.login-form, .profile-form { display: grid; gap: 14px; }
.login-form label, .profile-form label, .search-label { display: grid; gap: 7px; color: var(--muted); font-size: 13px; font-weight: 700; }
.hint { color: var(--muted); line-height: 1.4; margin: 0; }
.hidden { display: none !important; }
.user-card { display: grid; gap: 12px; }
.user-card span { color: var(--muted); }
.dashboard { display: grid; grid-template-columns: 320px minmax(0, 1fr); gap: 22px; margin-top: 22px; align-items: start; }
.side-panel { padding: 18px; position: sticky; top: 18px; display: grid; gap: 18px; }
.stat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.stat-grid div { border: 1px solid var(--line); border-radius: 8px; padding: 10px; background: rgba(0,0,0,.18); }
.stat-grid strong { display: block; font-size: 24px; color: var(--gold); }
.stat-grid span { color: var(--muted); font-size: 12px; }
.tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.tab.active { background: var(--green); border-color: transparent; }
.leaderboard { display: grid; gap: 12px; }
.rank-row { display: grid; grid-template-columns: 28px 1fr auto; gap: 8px; align-items: center; padding: 9px 0; border-bottom: 1px solid var(--line); }
.rank-row span { color: var(--muted); }
.section-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 14px; }
.match-list { display: grid; gap: 12px; }
.match-card { padding: 16px; display: grid; grid-template-columns: 1fr auto; gap: 16px; }
.match-meta { color: var(--muted); font-size: 13px; margin: 8px 0 0; }
.match-title { font-weight: 900; font-size: 18px; }
.prediction-form { display: grid; grid-template-columns: 56px 56px auto; gap: 8px; align-items: end; }
.prediction-form input { text-align: center; padding: 0; }
.public-picks { grid-column: 1 / -1; color: var(--muted); font-size: 13px; display: flex; flex-wrap: wrap; gap: 6px; }
.pick-chip { border: 1px solid var(--line); border-radius: 999px; padding: 5px 9px; background: rgba(255,255,255,.06); }
.toast { margin-top: 10px; color: var(--gold); }
@media (max-width: 860px) {
  .hero, .dashboard { grid-template-columns: 1fr; }
  .hero { padding: 22px; }
  .side-panel { position: static; }
  .match-card { grid-template-columns: 1fr; }
  .prediction-form { grid-template-columns: 1fr 1fr; }
  .prediction-form button { grid-column: 1 / -1; }
}