/*
 * Concerts Archive V2 - Full-Width Layout with Glassmorphism
 * Mantiene hero a destra + sfrutta trasparenze
 */

:root {
  --concerts-gold: #d4af37;
  --concerts-gold-light: rgba(212, 175, 55, 0.1);
  --concerts-gold-glow: rgba(212, 175, 55, 0.25);
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(212, 175, 55, 0.2);
}

/* Layout principale: Grid 2 colonne (sidebar + main) con hero fixed */
.concerts-layout {
  position: relative;
  display: grid;
  grid-template-areas:
    "header header"
    "stats stats"
    "sidebar main";
  grid-template-columns: 320px 1fr;
  gap: 2rem;
  max-width: 1600px;
  margin: 0 auto;
  padding: 2rem;
  padding-right: 420px; /* Spazio per hero fixed */
}

/* Page header */
.concerts-layout .page-header {
  grid-area: header;
  margin-bottom: 1rem;
}

/* Stats hero - mantiene layout esistente ma con glassmorphism */
.concerts-stats-hero {
  grid-area: stats;
  margin-bottom: 1rem;
}

.concerts-stats-hero .stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.5rem;
}

.concerts-stats-hero .stat-card {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 1.5rem;
  text-align: center;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.concerts-stats-hero .stat-card:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.85);
  box-shadow: 0 12px 40px var(--concerts-gold-glow);
  border-color: var(--concerts-gold);
}

.concerts-stats-hero .stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, #333 0%, var(--concerts-gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

.concerts-stats-hero .stat-label {
  font-size: 0.95rem;
  color: #666;
  font-weight: 500;
}

.concerts-stats-hero .stat-sublabel {
  font-size: 0.75rem;
  color: #999;
  margin-top: 0.25rem;
}

/* Main content area */
.concerts-main-content {
  grid-area: main;
}

/* Sidebar filtri - Glassmorphism sticky */
.archive-filters-sidebar {
  grid-area: sidebar;
  position: sticky;
  top: 100px; /* Sotto header */
  height: fit-content;
  max-height: calc(100vh - 120px);
  overflow-y: auto;

  /* Glassmorphism effect */
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);

  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 1.5rem;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);

  /* Custom scrollbar */
  scrollbar-width: thin;
  scrollbar-color: var(--concerts-gold) transparent;
}

.archive-filters-sidebar::-webkit-scrollbar {
  width: 6px;
}

.archive-filters-sidebar::-webkit-scrollbar-track {
  background: transparent;
}

.archive-filters-sidebar::-webkit-scrollbar-thumb {
  background: var(--concerts-gold);
  border-radius: 3px;
}

/* Filters header */
.filters-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--glass-border);
}

.filters-header h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #333;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.filters-reset {
  background: none;
  border: 1px solid var(--concerts-gold);
  color: var(--concerts-gold);
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
}

.filters-reset:hover {
  background: var(--concerts-gold);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--concerts-gold-glow);
}

/* Filter sections */
.filter-section {
  margin-bottom: 1.5rem;
  border-bottom: 1px solid rgba(212, 175, 55, 0.1);
  padding-bottom: 1rem;
}

.filter-section:last-of-type {
  border-bottom: none;
}

.filter-section-toggle {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: none;
  border: none;
  padding: 0.75rem 0;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  color: #333;
  transition: color 0.3s;
}

.filter-section-toggle:hover {
  color: var(--concerts-gold);
}

.filter-section-toggle span {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.filter-section-toggle i {
  transition: transform 0.3s;
  font-size: 0.875rem;
}

.filter-section-toggle.active i {
  transform: rotate(180deg);
}

/* Filter options */
.filter-options {
  padding: 0.5rem 0;
  max-height: 280px;
  overflow-y: auto;

  /* Custom scrollbar */
  scrollbar-width: thin;
  scrollbar-color: var(--concerts-gold) transparent;
}

.filter-options::-webkit-scrollbar {
  width: 4px;
}

.filter-options::-webkit-scrollbar-thumb {
  background: var(--concerts-gold);
  border-radius: 2px;
}

.filter-search {
  width: 100%;
  padding: 0.625rem 0.75rem;
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  margin-bottom: 0.75rem;
  font-size: 0.875rem;
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(8px);
  transition: all 0.3s;
}

.filter-search:focus {
  outline: none;
  border-color: var(--concerts-gold);
  background: rgba(255, 255, 255, 0.8);
  box-shadow: 0 0 0 3px var(--concerts-gold-light);
}

.filter-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.625rem 0.5rem;
  cursor: pointer;
  transition: all 0.2s;
  border-radius: 6px;
  gap: 0.5rem;
}

.filter-option:hover {
  background: var(--concerts-gold-light);
  transform: translateX(4px);
}

.filter-option input[type="checkbox"] {
  margin-right: 0.5rem;
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: var(--concerts-gold);
}

.filter-option span:first-of-type {
  flex: 1;
  font-size: 0.9rem;
  color: #333;
}

.filter-option .count {
  color: #999;
  font-size: 0.8rem;
  background: rgba(212, 175, 55, 0.15);
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 600;
  min-width: 28px;
  text-align: center;
}

/* Active filters tags */
.active-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1rem 0;
  padding-top: 1rem;
  border-top: 1px solid var(--glass-border);
}

.active-filters:empty {
  display: none;
}

.filter-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--concerts-gold);
  color: white;
  padding: 0.375rem 0.75rem;
  border-radius: 16px;
  font-size: 0.875rem;
  font-weight: 500;
  box-shadow: 0 2px 8px var(--concerts-gold-glow);
  transition: all 0.3s;
}

.filter-tag:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 12px var(--concerts-gold-glow);
}

.filter-tag button {
  background: none;
  border: none;
  color: white;
  cursor: pointer;
  font-size: 1.125rem;
  padding: 0;
  margin: 0;
  line-height: 1;
  transition: transform 0.2s;
}

.filter-tag button:hover {
  transform: scale(1.2);
}

/* Results count */
.filter-results-count {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 2px solid var(--glass-border);
  text-align: center;
  font-size: 1rem;
  color: #666;
}

.filter-results-count strong {
  color: var(--concerts-gold);
  font-size: 1.75rem;
  font-weight: 700;
  display: block;
  margin-bottom: 0.25rem;
}

/* Main content area */
.archive-main-content {
  grid-area: main;
  min-height: 600px;
}

/* Concerts grid */
.concerts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 2rem;
  padding: 0.5rem 0;
}

@media (min-width: 1600px) {
  .concerts-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Concert card compact with glassmorphism */
.concert-card-compact {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--glass-border);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
}

.concert-card-compact:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 48px var(--concerts-gold-glow);
  border-color: var(--concerts-gold);
  background: rgba(255, 255, 255, 0.9);
}

.card-poster-wrapper {
  position: relative;
  height: 320px;
  overflow: hidden;
  background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
}

.card-poster-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.concert-card-compact:hover .card-poster-wrapper img {
  transform: scale(1.1);
}

/* Card overlay on hover */
.card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.95) 0%, rgba(0,0,0,0.4) 50%, transparent 100%);
  opacity: 0;
  transition: opacity 0.4s;
  display: flex;
  align-items: flex-end;
  padding: 1.5rem;
}

.concert-card-compact:hover .card-overlay {
  opacity: 1;
}

.overlay-content {
  width: 100%;
}

.overlay-content h4 {
  color: white;
  font-size: 1.1rem;
  margin: 0 0 0.5rem 0;
  font-weight: 600;
  line-height: 1.3;
}

.overlay-content p {
  color: rgba(255,255,255,0.9);
  font-size: 0.875rem;
  margin: 0.25rem 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.overlay-content p i {
  color: var(--concerts-gold);
}

/* Card info */
.card-info {
  padding: 1.25rem;
  background: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(8px);
}

.card-title {
  font-size: 1rem;
  font-weight: 600;
  color: #333;
  margin: 0 0 0.75rem 0;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  line-height: 1.4;
  min-height: 2.8rem;
}

.card-meta {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  font-size: 0.875rem;
  color: #666;
  margin-bottom: 0.75rem;
}

.card-meta span {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.card-meta i {
  color: var(--concerts-gold);
  width: 14px;
  flex-shrink: 0;
}

.card-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.card-badges .badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.75rem;
  background: var(--concerts-gold-light);
  border: 1px solid rgba(212, 175, 55, 0.3);
  border-radius: 12px;
  font-size: 0.75rem;
  color: #666;
  font-weight: 600;
}

.card-badges .badge i {
  color: var(--concerts-gold);
  font-size: 0.7rem;
}

/* Empty state */
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 4rem 2rem;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  border: 2px dashed var(--glass-border);
  border-radius: 16px;
}

.empty-state i {
  font-size: 3.5rem;
  color: #ddd;
  margin-bottom: 1.5rem;
  display: block;
}

.empty-state h3 {
  color: #666;
  margin: 0 0 0.5rem 0;
  font-size: 1.5rem;
}

.empty-state p {
  color: #999;
  margin: 0;
}

/* Toggle buttons originali - nascondiamo se c'è sidebar */
.archive-view-toggle {
  display: none;
}

/* Archive views sections - nascondiamo quelle vecchie */
.archive-view {
  display: none !important;
}

/* Mostriamo solo il main content */
.archive-section {
  display: block;
}

/* ==================== RESPONSIVE ==================== */

@media (max-width: 1400px) {
  .concerts-layout {
    padding-right: 380px;
  }

  .concerts-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 1200px) {
  .concerts-layout {
    grid-template-columns: 280px 1fr;
    padding-right: 2rem;
  }

  .concerts-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  /* Hero diventa non-fixed su tablet */
  .right-hero {
    position: relative !important;
    width: 100% !important;
    height: 300px !important;
  }
}

@media (max-width: 1024px) {
  .concerts-layout {
    grid-template-areas:
      "stats"
      "filters"
      "main";
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 1.5rem;
  }

  /* Sidebar diventa collapsible top */
  .archive-filters-sidebar {
    position: static;
    max-height: none;
    overflow: visible;
  }

  /* Collapse sections by default on mobile */
  .filter-section-toggle.active ~ .filter-options {
    display: block;
  }

  .filter-options {
    display: none;
  }

  .concerts-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }
}

@media (max-width: 768px) {
  .concerts-stats-hero .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  .concerts-stats-hero .stat-card {
    padding: 1rem;
  }

  .concerts-stats-hero .stat-number {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .concerts-layout {
    padding: 1rem;
  }

  .concerts-grid {
    grid-template-columns: 1fr;
  }

  .card-poster-wrapper {
    height: 280px;
  }
}

/* Loading skeleton */
@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

.concert-card-compact.skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 1000px 100%;
  animation: shimmer 2s infinite;
}