*, *::before, *::after { box-sizing: border-box; }

body {
  font-family: system-ui, sans-serif;
  margin: 0;
  padding: 0;
  background: #0f0f0f;
  color: #e0e0e0;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  border-bottom: 1px solid #222;
}

nav a { color: #e0e0e0; text-decoration: none; margin-left: 1rem; }
nav a:hover { color: #fff; }

main {
  max-width: 960px;
  margin: 2rem auto;
  padding: 0 1.5rem;
}

input, button {
  display: block;
  width: 100%;
  padding: 0.6rem 0.8rem;
  margin-bottom: 1rem;
  border-radius: 4px;
  border: 1px solid #333;
  background: #1a1a1a;
  color: #e0e0e0;
  font-size: 1rem;
}

button {
  background: #7c3aed;
  border-color: #7c3aed;
  color: #fff;
  cursor: pointer;
}

button:hover { background: #6d28d9; }

label { display: block; margin-bottom: 0.25rem; font-size: 0.9rem; }

.error { color: #f87171; margin-bottom: 1rem; }

a { color: #a78bfa; }
a:hover { color: #c4b5fd; }

/* ── Lobbies ── */
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.btn {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: #7c3aed;
  color: #fff;
  border-radius: 4px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  font-size: 0.95rem;
  width: auto;
}

.btn:hover { background: #6d28d9; color: #fff; }
.btn-sm { padding: 0.3rem 0.7rem; font-size: 0.85rem; }
.btn-danger { background: #dc2626; }
.btn-danger:hover { background: #b91c1c; }

.lobby-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.lobby-card {
  background: #1a1a1a;
  border: 1px solid #2a2a2a;
  border-radius: 8px;
  padding: 1rem;
}

.lobby-card-header {
  display: flex;
  gap: 0.4rem;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}

.lobby-card h3 { margin: 0 0 0.5rem; }
.lobby-meta { margin: 0.25rem 0; font-size: 0.9rem; color: #aaa; }

.badge {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  border-radius: 50px;
  font-size: 0.75rem;
  background: #2a2a2a;
  color: #ccc;
  text-transform: uppercase;
}

.status-open { background: #14532d; color: #4ade80; }
.status-full { background: #7c2d12; color: #fb923c; }
.status-closed { background: #1f2937; color: #6b7280; }
.status-in-progress { background: #1e3a8a; color: #60a5fa; }

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.detail-card {
  background: #1a1a1a;
  border: 1px solid #2a2a2a;
  border-radius: 8px;
  padding: 1rem;
}

.detail-card ul { padding-left: 1rem; }
.detail-card li { margin-bottom: 0.4rem; }

.lobby-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.checkbox-row input { width: auto; margin: 0; }

select {
  display: block;
  width: 100%;
  padding: 0.6rem 0.8rem;
  margin-bottom: 1rem;
  border-radius: 4px;
  border: 1px solid #333;
  background: #1a1a1a;
  color: #e0e0e0;
  font-size: 1rem;
}