/* Clubs Explorer (page-local) - mirrors archived structure but without Tailwind */

:root {
  --container: 80rem;
}

.mx-auto { margin-left: auto; margin-right: auto; }
.min-h-screen { min-height: 100vh; }
.max-w-7xl { max-width: var(--container); }

.px-4 { padding-left: 1rem; padding-right: 1rem; }
.py-6 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.pb-12 { padding-bottom: 3rem; }
.py-12 { padding-top: 3rem; padding-bottom: 3rem; }
.mt-4 { margin-top: 1rem; }
.mt-12 { margin-top: 3rem; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-4 { margin-bottom: 1rem; }

.bg-white { background: #fff; }
.bg-gray-50 { background: var(--gray-50); }
.bg-gray-600 { background: #4b5563; }
.bg-orange-600 { background: #ea580c; }
.text-white { color: #fff; }
.text-gray-500 { color: var(--gray-500); }
.text-gray-600 { color: var(--gray-600); }
.text-gray-700 { color: var(--gray-700); }
.text-blue-100 { color: #dbeafe; }

.rounded-md { border-radius: 0.375rem; }
.rounded-lg { border-radius: 0.5rem; }
.shadow-sm { box-shadow: var(--shadow-sm); }
.border { border: 1px solid var(--gray-200); }
.border-gray-200 { border-color: var(--gray-200); }
.border-gray-300 { border-color: var(--gray-300); }
.border-t { border-top: 1px solid var(--gray-200); }

.text-center { text-align: center; }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }
.text-sm { font-size: 0.875rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.text-4xl { font-size: 2.25rem; }
.text-5xl { font-size: 3rem; }

.container { max-width: var(--container); }

/* Layout utilities used by the legacy markup */
.grid { display: grid; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }

.w-full { width: 100%; }
.hidden { display: none; }
.overflow-x-auto { overflow-x: auto; }

/* Responsive grid mapping */
.grid-cols-1 { grid-template-columns: 1fr; }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

@media (min-width: 768px) {
  .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .md\:text-5xl { font-size: 3rem; }
}

@media (min-width: 1024px) {
  .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .lg\:grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .lg\:col-span-2 { grid-column: span 2 / span 2; }
  .lg\:grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
}

/* Club card specifics (legacy feel) */
.club-card {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeIn 0.5s ease-out forwards;
}

.club-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

@keyframes fadeIn {
  to { opacity: 1; transform: translateY(0); }
}

/* Metric tooltip behavior ported from legacy CSS */
.metric-value-wrapper { position: relative; cursor: help; }
.metric-justification {
  visibility: hidden;
  width: 240px;
  background-color: #262626;
  color: #fff;
  text-align: left;
  font-size: 0.75rem;
  font-weight: 400;
  line-height: 1.4;
  border-radius: 6px;
  padding: 8px 12px;
  position: absolute;
  z-index: 10;
  bottom: 125%;
  left: 50%;
  margin-left: -120px;
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}

.metric-justification::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  margin-left: -5px;
  border-width: 5px;
  border-style: solid;
  border-color: #262626 transparent transparent transparent;
}

.metric-value-wrapper:hover .metric-justification { visibility: visible; opacity: 1; }

/* Checkbox styling */
.club-checkbox-container {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
}

.club-checkbox {
  width: 1.5rem;
  height: 1.5rem;
  cursor: pointer;
  transition: all 0.2s ease-in-out;
  border: 2px solid var(--gray-300);
  border-radius: 4px;
  accent-color: var(--ntu-red);
}

.club-checkbox:hover { border-color: var(--ntu-red); transform: scale(1.05); }

/* Category badge */
.category-badge {
  display: inline-block;
  color: #fff;
  padding: 2px 8px;
  border-radius: 999px;
}

.category-badge[data-category="Sports"] { background: var(--ntu-red); }
.category-badge[data-category="Academic"] { background: var(--ntu-blue); }
.category-badge[data-category="Cultural"] { background: #dd6b20; }


.club-card {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow-md);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.club-card.selected {
  border-color: var(--ntu-red);
  background: #fff7f7;
}

.filters-container select,
.filters-container input {
  background: var(--white);
}

#show-selected-btn:disabled {
  opacity: .55;
  cursor: not-allowed;
}


.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }
.mb-2 { margin-bottom: 0.5rem; }
.text-left { text-align: left; }
.border-collapse { border-collapse: collapse; }
.bg-ntu-red { background: var(--ntu-red); }
.text-ntu-blue { color: var(--ntu-blue); }
.text-blue-100 { color: #dbeafe; }
.rounded-md { border-radius: var(--radius-md); }
.summary-item { background: rgba(255,255,255,.92); border:1px solid var(--gray-200); border-radius: var(--radius-md); padding: .75rem; box-shadow: var(--shadow-sm); }

#club-grid {
  gap: 1.4rem;
}

.club-card {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  min-height: 100%;
}

.club-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
}

.club-title {
  margin: 0;
  color: var(--ntu-blue);
  font-size: 1.15rem;
  line-height: 1.3;
}

.club-card-tag-row {
  margin-top: -0.2rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.22rem 0.65rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.tag--varsity { background: #fde8ea; color: #9f1239; }
.tag--special { background: #def7f1; color: #0f766e; }
.tag--community { background: #fff4df; color: #9a3412; }
.tag--recreation { background: #e5eefc; color: #1d4ed8; }
.tag--arts { background: #f3e8ff; color: #7e22ce; }
.tag--academic { background: #e0ecff; color: #1e3a8a; }
.tag--default { background: #e2e8f0; color: #334155; }

.club-description {
  margin: 0;
  color: var(--gray-600);
  line-height: 1.55;
}

.club-metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.55rem;
}

.club-metric {
  position: relative;
  display: grid;
  gap: 0.15rem;
  padding: 0.55rem 0.65rem;
  border-radius: var(--radius-md);
  background: rgba(241, 245, 249, 0.8);
  border: 1px solid var(--gray-200);
  font-size: 0.82rem;
}

.club-metric strong { color: var(--gray-700); }
.club-metric span { color: var(--gray-600); }

.club-checkbox-container {
  margin-top: 0.1rem;
}

.club-checkbox {
  width: 1.15rem;
  height: 1.15rem;
}

.filters-container button {
  border: none;
  font: inherit;
  font-weight: 600;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

@media (max-width: 768px) {
  #club-grid { gap: 1rem; }
  .club-card { padding: 1rem; }
  .club-metrics-grid { grid-template-columns: 1fr; }
}