:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --surface-alt: #f1f5f9;
  --border: #e2e8f0;
  --text: #0f172a;
  --text-muted: #475569;
  --primary: #059669;
  --primary-hover: #047857;
  --primary-light: #d1fae5;
  --warning: #d97706;
  --warning-bg: #fef3c7;
  --danger: #dc2626;
  --danger-bg: #fee2e2;
  --info: #2563eb;
  --info-bg: #dbeafe;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(15, 23, 42, 0.08), 0 1px 2px rgba(15, 23, 42, 0.04);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

a {
  color: var(--primary);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1rem;
}

.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 30;
}

.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 0.5rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--text);
  text-decoration: none !important;
}

.brand-badge {
  background: var(--primary-light);
  color: var(--primary-hover);
  font-size: 0.75rem;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-weight: 600;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.55rem 1rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.92rem;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none !important;
  transition: background-color 0.15s, border-color 0.15s;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--primary-hover);
}

.btn-outline {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border);
}
.btn-outline:hover {
  background: var(--surface-alt);
}

.btn-warning {
  background: var(--warning);
  color: #fff;
}

.btn-danger {
  background: var(--danger);
  color: #fff;
}

.btn-sm {
  padding: 0.35rem 0.75rem;
  font-size: 0.85rem;
}

.main-content {
  padding: 1.5rem 0 3rem;
}

.alert-list {
  margin-bottom: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.alert {
  padding: 0.85rem 1rem;
  border-radius: 8px;
  font-weight: 500;
  border: 1px solid var(--border);
}
.alert-success { background: var(--primary-light); color: #065f46; border-color: #a7f3d0; }
.alert-error { background: var(--danger-bg); color: #991b1b; border-color: #fecaca; }
.alert-warning { background: var(--warning-bg); color: #92400e; border-color: #fde68a; }
.alert-info { background: var(--info-bg); color: #1e40af; border-color: #bfdbfe; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}

.filter-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 0.85rem;
  align-items: end;
}

.form-group {
  margin-bottom: 1rem;
}
.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.88rem;
  margin-bottom: 0.35rem;
  color: var(--text);
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 0.55rem 0.75rem;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  font-size: 0.95rem;
  background: #fff;
  color: var(--text);
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: 2px solid var(--primary);
  border-color: var(--primary);
}

.help-text {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.errorlist {
  color: var(--danger);
  font-size: 0.85rem;
  margin: 0.25rem 0 0;
  padding-left: 1.1rem;
}

.events-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
  gap: 1rem;
}

.event-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.15rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0.85rem;
}

.event-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.5rem;
}

.event-title {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 700;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  white-space: nowrap;
}
.badge-open { background: var(--primary-light); color: #065f46; }
.badge-full { background: var(--warning-bg); color: #92400e; }
.badge-cancelled { background: var(--danger-bg); color: #991b1b; }
.badge-skill { background: var(--surface-alt); color: var(--text-muted); border: 1px solid var(--border); }

.meta-list {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.detail-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1.25rem;
}
@media (max-width: 820px) {
  .detail-grid {
    grid-template-columns: 1fr;
  }
}

.player-list {
  list-style: none;
  padding: 0;
  margin: 0.5rem 0 0;
}
.player-list li {
  padding: 0.5rem 0.65rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.player-list li:last-child {
  border-bottom: none;
}

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
  padding: 1.5rem 0;
  color: var(--text-muted);
  font-size: 0.88rem;
}