:root {
  --bg: #0f172a;
  --panel: #1e293b;
  --panel-2: #273449;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --green: #34d399;
  --border: #334155;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: radial-gradient(1200px 600px at 20% -10%, #1e3a5f 0%, var(--bg) 55%);
  color: var(--text);
  min-height: 100vh;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding: 16px 24px;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar h1 {
  margin: 0;
  font-size: 1.4rem;
  background: linear-gradient(90deg, var(--accent), #a78bfa);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.brand {
  color: inherit;
  text-decoration: none;
}

.brand:hover { opacity: 0.85; }

.controls { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

.controls label { color: var(--muted); font-size: 0.85rem; }

select {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 0.95rem;
  min-width: 200px;
  cursor: pointer;
}

select:focus { outline: 2px solid var(--accent); }

main { max-width: 760px; margin: 0 auto; padding: 24px; }

.summary {
  background: linear-gradient(135deg, var(--panel), var(--panel-2));
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 22px;
  margin-bottom: 20px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

.summary h2 { margin: 0 0 6px; font-size: 1.25rem; }
.summary .meta { color: var(--muted); font-size: 0.9rem; }

.match-list { display: flex; flex-direction: column; gap: 14px; }

.round-group { display: flex; flex-direction: column; gap: 10px; }

.round-heading {
  margin: 6px 0 0;
  font-size: 0.95rem;
  color: var(--accent);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.match-card {
  background: linear-gradient(135deg, var(--panel), var(--panel-2));
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px 18px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.25);
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.match-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.35);
  border-color: var(--accent);
}

.card-top {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.round-badge {
  background: rgba(56, 189, 248, 0.15);
  color: var(--accent);
  border: 1px solid rgba(56, 189, 248, 0.4);
  border-radius: 999px;
  padding: 2px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.card-date { color: var(--muted); font-size: 0.82rem; }

.status-badge {
  margin-left: auto;
  border-radius: 999px;
  padding: 2px 10px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.status-badge.upcoming { background: rgba(56, 189, 248, 0.12); color: var(--accent); }
.status-badge.finished { background: rgba(52, 211, 153, 0.12); color: var(--green); }

.card-body {
  display: flex;
  align-items: center;
  gap: 12px;
}

.team { flex: 1; min-width: 0; }

.team.home { text-align: right; }
.team.away { text-align: left; }

.team-name {
  font-weight: 600;
  font-size: 1.02rem;
  line-height: 1.3;
}

.center { flex: 0 0 auto; }

.score {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 800;
  font-size: 1.35rem;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 6px 14px;
  min-width: 64px;
  justify-content: center;
}

.score .dash { color: var(--muted); font-weight: 500; }

.score.vs {
  color: var(--accent);
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  border-color: rgba(56, 189, 248, 0.4);
}

.card-foot {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed var(--border);
  color: var(--muted);
  font-size: 0.8rem;
}

.empty {
  background: var(--panel);
  border: 1px dashed var(--border);
  border-radius: 14px;
  padding: 24px;
  text-align: center;
  color: var(--muted);
}

@media (max-width: 640px) {
  .card-body { flex-direction: column; }
  .team.home, .team.away { text-align: center; }
}