:root {
  --bg: #08111f;
  --card: #101d33;
  --card2: #13243f;
  --text: #e5e7eb;
  --muted: #94a3b8;
  --green: #22c55e;
  --red: #ef4444;
  --gold: #facc15;
  --blue: #38bdf8;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(56, 189, 248, 0.15), transparent 30%),
    radial-gradient(circle at bottom right, rgba(34, 197, 94, 0.12), transparent 35%),
    var(--bg);
  color: var(--text);
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 28px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  background: rgba(8, 17, 31, 0.92);
  position: sticky;
  top: 0;
  backdrop-filter: blur(10px);
}

.topbar h1 {
  margin: 0;
  font-size: 28px;
}

.topbar p {
  margin: 6px 0 0;
  color: var(--muted);
}

.login-button {
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  background: #334155;
  color: #cbd5e1;
  cursor: not-allowed;
}

.layout {
  display: grid;
  grid-template-columns: 1.5fr 0.8fr;
  gap: 22px;
  padding: 28px;
}

.card {
  background: rgba(16, 29, 51, 0.88);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 18px;
  padding: 22px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.25);
}

.card h2 {
  margin-top: 0;
}

.matches {
  display: grid;
  gap: 14px;
}

.match-card {
  background: var(--card2);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 14px;
  padding: 16px;
}

.match-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 13px;
}

.teams {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-top: 12px;
  font-size: 20px;
  font-weight: bold;
}

.vs {
  color: var(--gold);
  font-size: 14px;
}

.meta {
  margin-top: 12px;
  color: var(--muted);
  font-size: 14px;
}

.status {
  display: inline-block;
  margin-top: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(56, 189, 248, 0.14);
  color: var(--blue);
  font-size: 13px;
}

.leaderboard-empty {
  color: var(--muted);
}

@media (max-width: 850px) {
  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .layout {
    grid-template-columns: 1fr;
    padding: 16px;
  }
}


.auth-box {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-mini {
  display: flex;
  align-items: center;
  gap: 10px;
}

.user-mini img {
  width: 36px;
  height: 36px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.25);
}

.auth-button {
  display: inline-block;
  text-decoration: none;
  border: 0;
  border-radius: 999px;
  padding: 11px 16px;
  background: #e5e7eb;
  color: #111827;
  font-weight: bold;
  cursor: pointer;
}

.auth-button:hover {
  background: white;
}

.logout-button {
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 999px;
  padding: 9px 14px;
  background: transparent;
  color: #e5e7eb;
  cursor: pointer;
}

.logout-button:hover {
  background: rgba(255,255,255,0.08);
}
.prediction-box,
.prediction-form {
  margin-top: 14px;
  padding: 12px;
  border-radius: 12px;
  background: rgba(15, 23, 42, 0.75);
  border: 1px solid rgba(255,255,255,0.08);
}

.muted-box {
  color: var(--muted);
}

.locked-box {
  color: #cbd5e1;
  border-color: rgba(250, 204, 21, 0.25);
}

.prediction-form label {
  display: block;
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 8px;
}

.score-inputs {
  display: flex;
  align-items: center;
  gap: 8px;
}

.score-inputs input {
  width: 64px;
  padding: 9px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.15);
  background: #020617;
  color: var(--text);
  font-size: 16px;
  text-align: center;
}

.score-inputs button {
  border: 0;
  border-radius: 999px;
  padding: 10px 14px;
  background: var(--green);
  color: #052e16;
  font-weight: bold;
  cursor: pointer;
}

.score-inputs button:hover {
  filter: brightness(1.08);
}

.prediction-message {
  display: block;
  margin-top: 8px;
  color: var(--muted);
}

.success-text {
  color: #86efac;
}

.error-text {
  color: #fecaca;
}