:root {
  --bg: #0b0f14;
  --bg-2: #111823;
  --ink: #e9eef5;
  --muted: #aab6c7;
  --accent: #f08d49;
  --accent-2: #4bc0c8;
  --card: #151c27;
  --line: #263244;
  --win: #53d38d;
  --loss: #ff6b6b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Space Grotesk", system-ui, -apple-system, Segoe UI, sans-serif;
  color: var(--ink);
  background: radial-gradient(1200px 600px at 10% -10%, #1c2b44 0%, transparent 60%),
              radial-gradient(900px 500px at 90% 0%, #1a3a2f 0%, transparent 65%),
              var(--bg);
  min-height: 100vh;
}

header {
  padding: 32px 6vw 12px;
}

.logo {
  display: inline-flex;
  gap: 12px;
  align-items: center;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.logo .icon {
  font-size: 20px;
}

.logo span {
  font-size: 14px;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
}

h1 {
  margin: 18px 0 6px;
  font-size: clamp(28px, 4vw, 48px);
}

.sub {
  color: var(--muted);
  max-width: 720px;
}

main {
  padding: 24px 6vw 64px;
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.card {
  background: linear-gradient(160deg, rgba(255,255,255,0.04), rgba(255,255,255,0)), var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.35);
}

.card h2 {
  margin: 0 0 12px;
  font-size: 18px;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.stat {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
}

.stat strong { font-size: 18px; }
.stat span { display: block; color: var(--muted); font-size: 12px; }

.leaderboard li {
  list-style: none;
  display: grid;
  grid-template-columns: 24px 1fr 60px;
  gap: 12px;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line);
}

.leaderboard li:last-child { border-bottom: none; }

.pill {
  font-size: 12px;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(240, 141, 73, 0.2);
  color: var(--accent);
}

label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 6px; }
input, select {
  width: 100%;
  background: #0e141e;
  border: 1px solid var(--line);
  color: var(--ink);
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 14px;
}

button {
  width: 100%;
  border: none;
  background: linear-gradient(120deg, var(--accent), #f2b36a);
  color: #1a1a1a;
  font-weight: 700;
  padding: 12px;
  border-radius: 12px;
  cursor: pointer;
}

.match-log li {
  list-style: none;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
}

.match-log li:last-child { border-bottom: none; }

.tag-win { color: var(--win); }
.tag-loss { color: var(--loss); }

.grid-2 {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.hint { font-size: 12px; color: var(--muted); margin-top: 8px; }

.tabs {
  display: inline-flex;
  gap: 10px;
  margin-top: 14px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px;
}

.tab-btn {
  border: none;
  background: transparent;
  color: var(--muted);
  padding: 8px 14px;
  border-radius: 999px;
  font-weight: 600;
  cursor: pointer;
}

.tab-btn.active {
  background: linear-gradient(120deg, var(--accent), #f2b36a);
  color: #1a1a1a;
}

@media (max-width: 640px) {
  .stat-grid { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
}