/* ── COMMUNITY DISCOVERY HUB ── */
/* --- NEW HUB STYLING --- */
.hub-layout { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 32px; align-items: start; }
.hub-main { display: flex; flex-direction: column; min-width: 0; }

.hub-header-banner {
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 10%, transparent) 0%, rgba(80, 176, 240, 0.05) 100%);
  border: 1px solid color-mix(in srgb, var(--accent) 20%, transparent);
  border-radius: 20px;
  padding: 40px 32px;
  margin-bottom: 32px;
  position: relative;
  overflow: hidden;
  text-align: center;
}
.hub-header-banner::before {
  content: '';
  position: absolute;
  top: -50%; left: -50%; width: 200%; height: 200%;
  background: radial-gradient(circle at center, color-mix(in srgb, var(--accent) 15%, transparent) 0%, transparent 50%);
  pointer-events: none;
}
.hub-header-content {
  position: relative;
  z-index: 1;
  max-width: 600px;
  margin: 0 auto;
}
.hub-header-content h2 {
  font-family: 'Syne', sans-serif;
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 8px;
  background: linear-gradient(to right, #fff, var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hub-search-wrapper {
  margin: 24px 0;
}
.hub-search-box {
  max-width: 100%;
  padding: 16px 24px;
  font-size: 16px;
  border-radius: 30px;
  background: #111118;
  border: 1px solid var(--accent);
  box-shadow: 0 8px 24px rgba(0,0,0,0.4), 0 0 0 4px color-mix(in srgb, var(--accent) 10%, transparent);
  transition: all 0.3s ease;
}
.hub-search-box:focus-within {
  box-shadow: 0 8px 30px color-mix(in srgb, var(--accent) 30%, transparent), 0 0 0 4px color-mix(in srgb, var(--accent) 20%, transparent);
  transform: translateY(-2px);
}
.hub-search-box input {
  font-size: 16px;
}
.hub-search-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  margin-right: 10px;
  color: var(--text2);
  vertical-align: middle;
  flex-shrink: 0;
}
.hub-search-icon svg {
  width: 18px;
  height: 18px;
}
.hub-quick-filters {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}
.hub-quick-filters .filter-chip {
  padding: 8px 16px;
  font-size: 13px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.05);
}
.hub-quick-filters .filter-chip:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  transform: translateY(-2px);
}

.hub-advanced-filters {
  margin-bottom: 32px;
}
.hub-filter-details {
  background: #18181f;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px 24px;
  transition: all 0.3s ease;
}
.hub-filter-details[open] {
  border-color: var(--accent);
  box-shadow: 0 4px 20px var(--accent-glow);
}
.hub-filter-details summary {
  font-family: 'Syne', sans-serif;
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  cursor: pointer;
  user-select: none;
  display: flex;
  align-items: center;
  gap: 8px;
}
.hub-filter-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}
.filter-group-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
}
.filter-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.filter-checkbox {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: 14px;
  color: var(--text2);
  transition: color 0.2s;
  padding: 6px 12px;
  border-radius: 8px;
  background: #111118;
  border: 1px solid transparent;
}
.filter-checkbox:hover {
  color: var(--text);
  background: rgba(255,255,255,0.03);
}
.filter-checkbox:has(input:checked) {
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  border-color: color-mix(in srgb, var(--accent) 30%, transparent);
  color: var(--accent2);
}
.filter-checkbox input {
  accent-color: var(--accent);
  width: 16px; height: 16px;
}

.hub-section {
  margin-bottom: 40px;
}
.hub-section-header {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 20px;
}
.hub-section-header h3 {
  font-family: 'Syne', sans-serif;
  font-size: 22px;
  font-weight: 800;
  color: var(--text);
  margin: 0;
}
.hub-section-subtitle {
  font-size: 13px;
  color: var(--text3);
}

.hub-loading {
  grid-column: 1/-1;
  text-align: center;
  padding: 40px;
  color: var(--text3);
  font-style: italic;
  background: #18181f;
  border-radius: 12px;
  border: 1px dashed var(--border);
}

/* Sidebar updates */
.hub-sidebar {
  background: linear-gradient(to bottom, #18181f, #111118);
  border: 1px solid var(--border2);
  border-radius: 20px;
  padding: 24px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
  position: sticky; top: 24px;
}
.hub-sidebar-header {
  border-bottom: 1px solid var(--border);
  padding-bottom: 16px;
  margin-bottom: 20px;
}
.hub-sidebar-header h3 {
  font-family: 'Syne', sans-serif;
  font-size: 18px;
  font-weight: 800;
  color: var(--accent2);
  margin: 0;
}
.pulse-feed { display: flex; flex-direction: column; gap: 16px; }
.pulse-item {
  background: #111118;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
  margin-bottom: 12px;
  border-left: 3px solid var(--accent);
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}
.pulse-item:hover {
  transform: translateX(4px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  border-left-color: #50b0f0;
}
.pulse-avatar { width: 36px; height: 36px; border-radius: 50%; object-fit: cover; border: 2px solid var(--border); flex-shrink: 0; }
.pulse-highlight { color: var(--text); font-weight: 700; transition: color 0.15s; }
.pulse-highlight:hover { color: var(--accent2); }

/* ── PULSE FEED INTERACTIONS ── */
.pulse-actions {
  display: flex; gap: 16px; margin-top: 14px; padding-top: 10px;
  border-top: 1px solid var(--border);
}
.btn-pulse-action {
  background: transparent; border: none; color: var(--text2);
  font-family: 'Syne', sans-serif; font-size: 13px; font-weight: 600;
  cursor: pointer; display: flex; align-items: center; gap: 6px;
  transition: all 0.2s; padding: 4px 8px; border-radius: 6px;
}
.btn-pulse-action:hover { background: #18181f; color: var(--text); }
.btn-pulse-action.active { color: var(--red); }
.btn-pulse-action.active .icon { animation: pop-heart 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275); }
.btn-pulse-action.active .icon svg { fill: currentColor; }
@keyframes pop-heart { 0% { transform: scale(1); } 50% { transform: scale(1.4); } 100% { transform: scale(1); } }

.pulse-comments {
  margin-top: 12px; background: #18181f; border-radius: 8px; padding: 12px;
  border: 1px solid var(--border);
}
.pulse-comments-list { max-height: 200px; overflow-y: auto; margin-bottom: 12px; display: flex; flex-direction: column; gap: 8px; }
.pulse-comment { font-size: 12px; color: var(--text2); line-height: 1.4; }
.pulse-comment strong { color: var(--text); font-family: 'Syne', sans-serif; margin-right: 4px; }
.pulse-comment-input-wrap { display: flex; gap: 8px; }
.pulse-comment-input { flex: 1; padding: 6px 10px; font-size: 12px; height: 32px; }
.btn-pulse-send { padding: 4px 12px; font-size: 12px; height: 32px; display: flex; align-items: center; }

@media (max-width: 768px) {
  .hub-layout { grid-template-columns: 1fr; gap: 24px; }
  .hub-sidebar { position: static; }
  .hub-horizontal-scroll { scroll-snap-type: none; }
}

/* Enhanced Glassmorphism for Community Hub */
.hub-horizontal-scroll { display: flex; gap: 16px; overflow-x: auto; padding-bottom: 12px; scroll-snap-type: x mandatory; }
.hub-horizontal-scroll > * { scroll-snap-align: start; flex-shrink: 0; }
.hub-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 220px), 1fr)); gap: 16px; width: 100%; min-width: 0; }
.rich-user-card {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border2);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.23, 1, 0.320, 1);
  min-width: 0;
  width: 100%;
  min-height: 168px;
  height: auto;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background: #18181f;
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 32px 0 color-mix(in srgb, var(--accent) 5%, transparent);
  box-sizing: border-box;
}

.rich-user-card:hover {
  border-color: var(--accent);
  transform: translateY(-6px);
  box-shadow: 0 20px 40px var(--accent-glow);
  backdrop-filter: blur(20px);
}

.ru-bg { position: absolute; inset: 0; background-size: cover; background-position: center; z-index: 0; filter: brightness(0.5) saturate(1.2); transition: filter 0.3s, transform 0.3s; }
.rich-user-card:hover .ru-bg { filter: brightness(0.4) saturate(1.4); transform: scale(1.05); }

.ru-glass {
  position: relative;
  z-index: 1;
  padding: 16px 20px;
  background: linear-gradient(
    to top,
    rgba(10, 10, 15, 0.98) 0%,
    rgba(10, 10, 15, 0.85) 40%,
    rgba(10, 10, 15, 0.3) 100%
  );
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  min-height: 168px;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  box-sizing: border-box;
}

.ru-header { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; min-width: 0; }
.ru-avatar { width: 42px; height: 42px; border-radius: 50%; border: 2px solid var(--accent); object-fit: cover; box-shadow: 0 0 10px var(--accent-glow); flex-shrink: 0; background: #111118; }
.ru-info { display: flex; flex-direction: column; overflow: hidden; min-width: 0; flex: 1; }
.ru-name { font-family: 'Syne', sans-serif; font-size: 15px; font-weight: 800; color: #fff; text-shadow: 0 2px 4px rgba(0,0,0,0.8); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ru-rank { font-size: 10px; color: var(--accent2); text-transform: uppercase; letter-spacing: 1px; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ru-recent { display: flex; gap: 6px; flex-wrap: nowrap; }

/* Updates for rich user cards */
.ru-stats-overlay {
  position: absolute; top: 12px; left: 12px; z-index: 2;
  display: flex; gap: 6px;
}
.ru-stat {
  background: rgba(0,0,0,0.6); backdrop-filter: blur(4px);
  padding: 4px 8px; border-radius: 6px; font-size: 11px; font-weight: 700; color: #fff;
  border: 1px solid rgba(255,255,255,0.1);
  transition: transform 0.2s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.ru-stat:hover {
  transform: scale(1.1);
  z-index: 10;
}
.ru-main-badge {
  padding: 4px 10px; border-radius: 12px; font-size: 10px; font-weight: 800;
  text-transform: uppercase; letter-spacing: 0.5px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.4);
  transition: transform 0.2s cubic-bezier(0.2, 0.8, 0.2, 1);
  display: inline-block;
}
.ru-main-badge:hover {
  transform: scale(1.5);
  z-index: 10;
  box-shadow: 0 6px 15px rgba(0,0,0,0.5), 0 0 12px currentColor;
}
.ru-avatar-wrap { position: relative; }
.ru-playing-badge {
  background: rgba(10, 10, 15, 0.6); border: 1px solid rgba(80, 208, 138, 0.4);
  color: var(--green); font-size: 11px; font-weight: 600;
  padding: 4px 8px; border-radius: 6px; margin-bottom: 12px;
  display: flex; align-items: center; gap: 6px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  transition: transform 0.2s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.ru-playing-badge:hover {
  transform: scale(1.05);
}
.pulse-dot {
  width: 6px; height: 6px; background: var(--green); border-radius: 50%;
  box-shadow: 0 0 6px var(--green); animation: pulse-opacity 1.5s infinite;
}
@keyframes pulse-opacity { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }
.ru-recent-label { font-size: 10px; color: var(--text3); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 6px; font-weight: 600; }
.ru-recent-img { width: 32px; height: 44px; border-radius: 4px; object-fit: cover; box-shadow: 0 2px 4px rgba(0,0,0,0.6); border: 1px solid rgba(255,255,255,0.1); }

/* Filter Chips with Glassmorphism */
.filter-chip {
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  color: var(--accent2);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  backdrop-filter: blur(8px);
}

.filter-chip:hover {
  background: color-mix(in srgb, var(--accent) 20%, transparent);
  border-color: var(--accent);
  color: var(--accent);
}

/* Advanced Filters Container */
.advanced-filters {
  background: rgba(17, 17, 24, 0.6);
  backdrop-filter: blur(20px);
  border: 1px solid color-mix(in srgb, var(--accent) 20%, transparent);
  border-radius: 12px;
  padding: 16px;
}

/* Stats overlay glassmorphism */
.ru-stats {
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 4px;
  border: 1px solid color-mix(in srgb, var(--accent) 20%, transparent);
}

/* Details/Summary styling */
details > summary {
  background: color-mix(in srgb, var(--accent) 5%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 20%, transparent);
  border-radius: 8px;
  padding: 12px;
  margin-bottom: 12px;
  cursor: pointer;
  transition: all 0.2s;
  backdrop-filter: blur(8px);
}

details > summary:hover {
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  border-color: var(--accent);
}

details > summary::-webkit-details-marker {
  display: none;
}

details > summary::before {
  content: "▶ ";
  color: var(--accent);
  transition: transform 0.2s;
}

details[open] > summary::before {
  transform: rotate(90deg);
}