/* ============================================
   COAJ EXPOSICIONES - CSS COMPLETO
   Colores: #032845, #0A3D5C, #E8552A, #FF6B35
   ============================================ */

/* ============================================
   1. VARIABLES CSS
   ============================================ */
:root {
  --coaj-primary: #032845;
  --coaj-secondary: #0A3D5C;
  --coaj-accent: #E8552A;
  --coaj-accent-light: #FF6B35;
  
  --success: #059669;
  --warning: #d97706;
  --error: #dc2626;
  
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

/* ============================================
   2. TEMA CLARO
   ============================================ */
[data-theme="light"], :root {
  --bg-page: #f5f7fa;
  --bg-card: #ffffff;
  --bg-elevated: #ffffff;
  --bg-muted: #f1f5f9;
  --bg-input: #f8fafc;
  
  --text-primary: #032845;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --text-inverse: #ffffff;
  
  --border: #e2e8f0;
  --border-light: #f1f5f9;
  
  --shadow-sm: 0 1px 2px rgba(3, 40, 69, 0.04);
  --shadow-md: 0 4px 12px rgba(3, 40, 69, 0.08);
  --shadow-lg: 0 8px 24px rgba(3, 40, 69, 0.12);
  --shadow-xl: 0 16px 48px rgba(3, 40, 69, 0.16);
}

/* ============================================
   3. TEMA OSCURO
   ============================================ */
[data-theme="dark"] {
  --bg-page: #0f172a;
  --bg-card: #1e293b;
  --bg-elevated: #334155;
  --bg-muted: #1e293b;
  --bg-input: #1e293b;
  
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #64748b;
  --text-inverse: #0f172a;
  
  --border: #334155;
  --border-light: #1e293b;
  
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.5);
}

/* ============================================
   4. RESET
   ============================================ */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-page);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ============================================
   5. LOGIN MODAL
   ============================================ */
.login-overlay {
  position: fixed;
  inset: 0;
  background: linear-gradient(135deg, var(--coaj-primary) 0%, var(--coaj-secondary) 100%);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
}

.login-overlay.hidden { display: none; }

.login-card {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 400px;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.login-header {
  background: linear-gradient(135deg, var(--coaj-accent) 0%, var(--coaj-accent-light) 100%);
  padding: var(--space-xl) var(--space-lg);
  text-align: center;
  color: white;
}

.login-logo {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: white;
  object-fit: contain;
  padding: 8px;
  margin-bottom: var(--space-md);
}

.login-header h2 { font-size: 1.5rem; font-weight: 700; margin-bottom: var(--space-xs); }
.login-header p { font-size: 0.9rem; opacity: 0.9; }

.login-body { padding: var(--space-lg); }

.btn-guest {
  width: 100%;
  padding: var(--space-md);
  background: var(--success);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  transition: all 0.2s ease;
}

.btn-guest:hover { background: #047857; transform: translateY(-1px); }

.login-divider {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin: var(--space-lg) 0;
  color: var(--text-muted);
  font-size: 0.8rem;
}

.login-divider::before, .login-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.form-group { margin-bottom: var(--space-md); }

.input-field {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--bg-input);
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0 var(--space-md);
  transition: all 0.2s ease;
}

.input-field:focus-within {
  border-color: var(--coaj-accent);
  box-shadow: 0 0 0 3px rgba(232, 85, 42, 0.1);
}

.input-field .material-symbols-outlined { color: var(--text-muted); font-size: 20px; }

.input-field input {
  flex: 1;
  border: none;
  background: transparent;
  padding: var(--space-md) 0;
  font-size: 0.95rem;
  color: var(--text-primary);
  outline: none;
}

.input-field input::placeholder { color: var(--text-muted); }

.login-error {
  background: rgba(220, 38, 38, 0.1);
  color: var(--error);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  margin-bottom: var(--space-md);
  display: none;
}

.btn-login {
  width: 100%;
  padding: var(--space-md);
  background: var(--coaj-accent);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  transition: all 0.2s ease;
}

.btn-login:hover:not(:disabled) { background: var(--coaj-accent-light); }
.btn-login:disabled { opacity: 0.6; cursor: not-allowed; }

/* ============================================
   6. APP LAYOUT
   ============================================ */
.app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ============================================
   7. HEADER
   ============================================ */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-card);
  padding: var(--space-md) var(--space-lg);
  padding-top: calc(var(--space-md) + var(--safe-top));
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  gap: var(--space-md);
}

.header-brand {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  text-decoration: none;
}

.header-logo {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: white;
  object-fit: contain;
  padding: 4px;
  box-shadow: var(--shadow-sm);
}

.header-text { display: flex; flex-direction: column; }

.header-greeting {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.header-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

/* Desktop Navigation */
.desktop-nav {
  display: none;
  align-items: center;
  gap: var(--space-xs);
}

.desktop-nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}

.desktop-nav-item:hover {
  background: var(--bg-muted);
  color: var(--text-primary);
}

.desktop-nav-item.active {
  background: var(--coaj-accent);
  color: white;
}

.desktop-nav-item .material-symbols-outlined { font-size: 20px; }

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--bg-muted);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.icon-btn:hover { background: var(--border); }
.icon-btn .material-symbols-outlined { font-size: 20px; color: var(--text-secondary); }

.avatar-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--coaj-accent), var(--coaj-accent-light));
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.avatar-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(232, 85, 42, 0.3);
}

/* ============================================
   8. USER MENU
   ============================================ */
.user-menu {
  position: absolute;
  top: calc(100% + var(--space-sm));
  right: var(--space-lg);
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  width: 220px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all 0.2s ease;
}

.user-menu.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.user-menu-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  border-bottom: 1px solid var(--border);
}

.user-menu-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--coaj-accent), var(--coaj-accent-light));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
}

.user-menu-name { font-weight: 600; color: var(--text-primary); }

.user-menu-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  color: var(--text-secondary);
  font-size: 0.9rem;
  cursor: pointer;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  transition: background 0.2s ease;
}

.user-menu-item:hover { background: var(--bg-muted); }
.user-menu-item .material-symbols-outlined { font-size: 20px; }
.user-menu-item.logout { color: var(--error); border-top: 1px solid var(--border); }

/* ============================================
   9. MAIN CONTENT
   ============================================ */
.main {
  flex: 1;
  padding: var(--space-lg);
  padding-bottom: calc(80px + var(--safe-bottom));
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

/* ============================================
   10. VIEW TOGGLE
   ============================================ */
.view-toggle-section { margin-bottom: var(--space-md); }

.view-toggle {
  display: flex;
  gap: var(--space-sm);
  background: var(--bg-card);
  padding: var(--space-xs);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

.view-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: transparent;
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
}

.view-btn:hover { color: var(--text-primary); background: var(--bg-muted); }
.view-btn.active { background: var(--coaj-accent); color: white; }
.view-btn .material-symbols-outlined { font-size: 18px; }

/* ============================================
   11. SEARCH BAR
   ============================================ */
.search-section { margin-bottom: var(--space-xl); }

.search-bar {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-sm) var(--space-md);
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
}

.search-bar:focus-within {
  border-color: var(--coaj-accent);
  box-shadow: 0 0 0 3px rgba(232, 85, 42, 0.1);
}

.search-bar .material-symbols-outlined { color: var(--text-muted); font-size: 22px; }

.search-bar input {
  flex: 1;
  border: none;
  background: transparent;
  padding: var(--space-sm);
  font-size: 0.95rem;
  color: var(--text-primary);
  outline: none;
}

.search-bar input::placeholder { color: var(--text-muted); }

/* ============================================
   12. LOADING & EMPTY STATES
   ============================================ */
.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-2xl);
  gap: var(--space-md);
}

.loading-state.hidden { display: none; }

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--coaj-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.loading-state p { color: var(--text-muted); font-size: 0.9rem; }

.empty-state {
  text-align: center;
  padding: var(--space-2xl);
  display: none;
}

.empty-state.active { display: block; }
.empty-state .material-symbols-outlined { font-size: 64px; color: var(--text-muted); margin-bottom: var(--space-md); }
.empty-state h3 { font-size: 1.1rem; color: var(--text-secondary); margin-bottom: var(--space-sm); }
.empty-state p { color: var(--text-muted); font-size: 0.9rem; }

/* ============================================
   13. SECTIONS
   ============================================ */
.section { margin-bottom: var(--space-xl); }
.section.hidden { display: none; }

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--border);
}

.section-title {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.section-title .icon { font-size: 1.3rem; }

.section-action {
  background: none;
  border: none;
  color: var(--coaj-accent);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
}

.section-action:hover { text-decoration: underline; }

.section-count { font-size: 0.8rem; color: var(--text-muted); font-weight: 500; }

/* ============================================
   14. CAROUSEL
   ============================================ */
.carousel-wrapper {
  margin: 0 calc(-1 * var(--space-lg));
  padding: 0 var(--space-lg);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.carousel-wrapper::-webkit-scrollbar { display: none; }

.carousel {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-xs) 0;
}

.expo-card {
  flex: 0 0 300px;
  scroll-snap-align: start;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  transition: all 0.3s ease;
  border: 1px solid var(--border);
}

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

.expo-card-image {
  position: relative;
  height: 180px;
  background-size: cover;
  background-position: center;
  background-color: var(--bg-muted);
}

.expo-card-badge {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
}

.badge-activo { background: var(--success); color: white; }
.badge-montaje { background: var(--warning); color: white; }
.badge-finalizado { background: var(--error); color: white; }

.expo-card-body { padding: var(--space-md); }

.expo-card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.expo-card-meta { display: flex; flex-direction: column; gap: var(--space-xs); }

.expo-card-meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.expo-card-meta-item .material-symbols-outlined { font-size: 16px; color: var(--coaj-accent); }

/* ============================================
   15. CENTROS CHIPS
   ============================================ */
.centros-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.centro-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.centro-chip:hover {
  border-color: var(--coaj-accent);
  background: rgba(232, 85, 42, 0.04);
}

.centro-chip:active { transform: scale(0.97); }
.centro-icon { font-size: 1rem; line-height: 1; }
.centro-name { font-size: 0.8rem; font-weight: 500; color: var(--text-primary); }

.centro-count {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--bg-muted);
  padding: 2px 6px;
  border-radius: var(--radius-full);
  min-width: 18px;
  text-align: center;
}

/* ============================================
   16. EXPOSICIONES LIST
   ============================================ */
.exposiciones-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.expo-list-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid var(--border);
}

.expo-list-item:hover {
  border-color: var(--coaj-accent);
  box-shadow: var(--shadow-md);
}

.expo-list-image {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-md);
  background-size: cover;
  background-position: center;
  background-color: var(--bg-muted);
  flex-shrink: 0;
}

.expo-list-content { flex: 1; min-width: 0; }

.expo-list-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.expo-list-badges {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-xs);
  flex-wrap: wrap;
}

.status-badge {
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
}

.status-activo { background: rgba(5, 150, 105, 0.1); color: var(--success); }
.status-montaje { background: rgba(217, 119, 6, 0.1); color: var(--warning); }
.status-finalizado { background: rgba(220, 38, 38, 0.1); color: var(--error); }

.expo-list-info { display: flex; gap: var(--space-md); flex-wrap: wrap; }

.expo-list-info-item {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.expo-list-info-item .material-symbols-outlined { font-size: 14px; }

.expo-list-arrow { color: var(--text-muted); font-size: 20px; flex-shrink: 0; }

/* ============================================
   17. CALENDARIO
   ============================================ */
.calendario-container {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.calendario-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
}

.calendario-nav {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.calendario-nav button {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--bg-muted);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.calendario-nav button:hover {
  background: var(--coaj-accent);
  color: white;
  border-color: var(--coaj-accent);
}

.calendario-mes {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  min-width: 180px;
  text-align: center;
}

.btn-hoy {
  padding: var(--space-sm) var(--space-md);
  background: var(--coaj-secondary);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-hoy:hover { background: var(--coaj-primary); }

.calendario-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: var(--space-xs);
}

.calendario-dia-semana {
  text-align: center;
  padding: var(--space-sm);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
}

.calendario-dia {
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--bg-muted);
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
  gap: 2px;
}

.calendario-dia:hover {
  border-color: var(--coaj-accent);
  transform: translateY(-2px);
}

.calendario-dia.otro-mes { opacity: 0.3; cursor: default; }
.calendario-dia.otro-mes:hover { border-color: transparent; transform: none; }

.calendario-dia.hoy {
  border-color: var(--coaj-secondary);
  background: rgba(10, 61, 92, 0.1);
}

.calendario-dia.con-eventos {
  background: linear-gradient(135deg, var(--coaj-accent) 0%, var(--coaj-accent-light) 100%);
  color: white;
}

.calendario-dia.con-eventos:hover { box-shadow: 0 4px 12px rgba(232, 85, 42, 0.4); }

.calendario-dia-numero { font-size: 0.9rem; font-weight: 600; }
.calendario-dia-contador { font-size: 0.6rem; font-weight: 700; opacity: 0.9; }

/* ============================================
   18. BOTTOM NAVIGATION
   ============================================ */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: var(--space-sm) var(--space-md);
  padding-bottom: calc(var(--space-sm) + var(--safe-bottom));
  z-index: 100;
}

.nav-items {
  display: flex;
  justify-content: space-around;
  align-items: center;
  max-width: 500px;
  margin: 0 auto;
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: var(--space-sm) var(--space-md);
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.65rem;
  font-weight: 600;
  background: none;
  border: none;
  cursor: pointer;
  transition: color 0.2s ease;
}

.nav-item .material-symbols-outlined { font-size: 22px; }
.nav-item.active { color: var(--coaj-accent); }

/* ============================================
   19. MODALS
   ============================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(3, 40, 69, 0.6);
  backdrop-filter: blur(4px);
  z-index: 200;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.modal-overlay.active { opacity: 1; visibility: visible; }

.modal-drawer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--bg-card);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  max-height: 90vh;
  z-index: 201;
  transform: translateY(100%);
  transition: transform 0.3s ease;
  display: flex;
  flex-direction: column;
}

.modal-drawer.active { transform: translateY(0); }

.modal-handle {
  display: flex;
  justify-content: center;
  padding: var(--space-sm) 0;
}

.modal-handle::after {
  content: '';
  width: 40px;
  height: 4px;
  background: var(--border);
  border-radius: var(--radius-full);
}

.modal-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: 0 var(--space-lg) var(--space-md);
  border-bottom: 1px solid var(--border);
}

.modal-back {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-muted);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.modal-back .material-symbols-outlined { font-size: 20px; color: var(--text-primary); }

.modal-title {
  flex: 1;
  font-size: 1.1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.modal-count {
  background: var(--coaj-accent);
  color: white;
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

.modal-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-md) var(--space-lg);
  padding-bottom: calc(var(--space-lg) + var(--safe-bottom));
}

/* ============================================
   20. DETAIL MODAL
   ============================================ */
.detail-modal {
  position: fixed;
  inset: 0;
  background: var(--bg-page);
  z-index: 300;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.detail-modal.active { transform: translateX(0); }

.detail-image {
  position: relative;
  height: 280px;
  background-size: cover;
  background-position: center;
  background-color: var(--bg-muted);
  flex-shrink: 0;
}

.detail-close {
  position: absolute;
  top: calc(var(--space-md) + var(--safe-top));
  left: var(--space-md);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.5);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.detail-close .material-symbols-outlined { color: white; font-size: 22px; }

.detail-content {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-lg);
  background: var(--bg-card);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  margin-top: -20px;
  position: relative;
}

.detail-badges {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  flex-wrap: wrap;
}

.detail-category-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(232, 85, 42, 0.1);
  color: var(--coaj-accent);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
}

.detail-status-badge {
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
}

.detail-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
  line-height: 1.3;
}

.detail-description {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: var(--space-lg);
  line-height: 1.6;
}

.detail-info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.detail-info-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  background: var(--bg-muted);
  padding: var(--space-md);
  border-radius: var(--radius-md);
}

.detail-info-item .material-symbols-outlined { color: var(--coaj-accent); font-size: 20px; flex-shrink: 0; }
.detail-info-item small { display: block; font-size: 0.65rem; color: var(--text-muted); text-transform: uppercase; margin-bottom: 2px; }
.detail-info-item strong { display: block; font-size: 0.9rem; color: var(--text-primary); }

.detail-info-item.full-width { grid-column: 1 / -1; }

.detail-actions {
  display: flex;
  gap: var(--space-md);
  padding-bottom: var(--safe-bottom);
}

.btn-primary, .btn-secondary {
  flex: 1;
  padding: var(--space-md);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  transition: all 0.2s ease;
}

.btn-primary { background: var(--coaj-accent); color: white; border: none; }
.btn-primary:hover:not(:disabled) { background: var(--coaj-accent-light); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }

.btn-secondary { background: transparent; color: var(--text-primary); border: 2px solid var(--border); }
.btn-secondary:hover { border-color: var(--coaj-accent); color: var(--coaj-accent); }

/* ============================================
   21. TOAST
   ============================================ */
.toast {
  position: fixed;
  bottom: calc(80px + var(--safe-bottom));
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--coaj-primary);
  color: white;
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 600;
  font-size: 0.9rem;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transition: all 0.3s ease;
  z-index: 500;
}

.toast.show { transform: translateX(-50%) translateY(0); opacity: 1; }
.toast.success { background: var(--success); }
.toast.error { background: var(--error); }

/* ============================================
   22. RESPONSIVE - MÓVIL
   ============================================ */
@media (max-width: 767px) {
  html, body { overflow-x: hidden; max-width: 100vw; }
  .app { overflow-x: hidden; max-width: 100vw; }
  
  .main {
    padding: var(--space-md);
    padding-bottom: calc(80px + var(--safe-bottom));
    overflow-x: hidden;
  }
  
  .calendario-container { padding: var(--space-md); }
  
  .calendario-header {
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
  }
  
  .calendario-nav { order: 1; flex: 1; }
  .calendario-nav button { width: 32px; height: 32px; font-size: 1rem; }
  .calendario-mes { font-size: 0.95rem; min-width: auto; flex: 1; }
  .btn-hoy { order: 2; padding: var(--space-xs) var(--space-sm); font-size: 0.75rem; }
  
  .calendario-grid { gap: 2px; }
  .calendario-dia-semana { padding: var(--space-xs); font-size: 0.65rem; }
  .calendario-dia { border-radius: var(--radius-sm); min-height: 36px; }
  .calendario-dia-numero { font-size: 0.75rem; }
  .calendario-dia-contador { font-size: 0.55rem; }
  
  #centrosGrid {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: var(--space-sm);
    padding-bottom: var(--space-sm);
    margin: 0 calc(-1 * var(--space-md));
    padding-left: var(--space-md);
    padding-right: var(--space-md);
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  
  #centrosGrid::-webkit-scrollbar { display: none; }
  #centrosGrid .centro-chip { scroll-snap-align: start; flex-shrink: 0; }
  
  .carousel-wrapper {
    margin: 0 calc(-1 * var(--space-md));
    padding: 0 var(--space-md);
  }
  
  .expo-card { flex: 0 0 280px; }
  
  .search-bar { padding: var(--space-xs) var(--space-sm); }
  .search-bar input { font-size: 0.9rem; }
  
  .view-toggle { padding: 2px; }
  .view-btn { padding: var(--space-xs) var(--space-sm); font-size: 0.8rem; }
  .view-btn .material-symbols-outlined { font-size: 16px; }
  
  .section-header { flex-wrap: wrap; gap: var(--space-xs); }
  .section-title { font-size: 1rem; }
  .section-title .icon { font-size: 1.1rem; }
  
  #exposicionesDiaSection { margin-top: var(--space-md); }
  #exposicionesDiaSection .exposiciones-list { display: flex; flex-direction: column; }
  
  .detail-info-grid { grid-template-columns: 1fr; }
  .detail-actions { flex-direction: column; }
  .expo-list-image { width: 70px; height: 70px; }
}

@media (max-width: 400px) {
  .calendario-dia { min-height: 32px; }
  .calendario-dia-numero { font-size: 0.7rem; }
  .calendario-mes { font-size: 0.85rem; }
  .centro-chip { padding: 6px 10px; }
  .centro-name { font-size: 0.75rem; }
  .centro-count { font-size: 0.65rem; padding: 1px 5px; }
  .expo-card { flex: 0 0 240px; }
  .expo-card-image { height: 140px; }
  .expo-card-title { font-size: 0.9rem; }
}

/* ============================================
   23. RESPONSIVE - DESKTOP
   ============================================ */
@media (min-width: 768px) {
  html, body { overflow-x: hidden; }
  .app { overflow-x: hidden; max-width: 100vw; }
  
  .desktop-nav { display: flex; }
  .bottom-nav { display: none; }
  
  .main {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-xl);
    padding-bottom: var(--space-xl);
    overflow-x: hidden;
  }
  
  .carousel-wrapper { margin: 0; padding: 0; overflow-x: auto; max-width: 100%; }
  .carousel { max-width: 100%; }
  
  .centros-grid, #centrosGrid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    max-width: 100%;
    overflow-x: visible;
    margin: 0;
    padding: 0;
  }
  
  .calendario-container { max-width: 100%; overflow: hidden; }
  .calendario-header { flex-direction: row; align-items: center; justify-content: space-between; gap: var(--space-md); }
  .calendario-grid { max-width: 100%; }
  .calendario-dia { min-height: 50px; }
  
  .exposiciones-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
    max-width: 100%;
  }
  
  .expo-list-item { max-width: 100%; overflow: hidden; }
  .expo-list-title { max-width: 100%; }
  
  .search-section { max-width: 600px; }
  .view-toggle-section { max-width: 400px; }
  .section { max-width: 100%; overflow: hidden; }
  
  .modal-drawer {
    max-width: 560px;
    max-height: 80vh;
    left: 50%;
    right: auto;
    bottom: auto;
    top: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    border-radius: var(--radius-xl);
    opacity: 0;
    visibility: hidden;
  }
  
  .modal-drawer.active {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
    visibility: visible;
  }
  
  .modal-drawer .exposiciones-list { display: flex; flex-direction: column; gap: var(--space-md); }
  .modal-body { max-height: 60vh; overflow-y: auto; }
  
  .detail-modal {
    transform: none;
    background: rgba(3, 40, 69, 0.6);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl);
    overflow: auto;
  }
  
  .detail-modal.active { display: flex; }
  
  .detail-modal .detail-image {
    width: 100%;
    max-width: 500px;
    height: 300px;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    margin: 0;
    flex-shrink: 0;
  }
  
  .detail-modal .detail-content {
    width: 100%;
    max-width: 500px;
    margin: 0;
    border-radius: 0 0 var(--radius-xl) var(--radius-xl);
    margin-top: 0;
    max-height: 60vh;
    overflow-y: auto;
  }
  
  .detail-modal .detail-close {
    position: absolute;
    top: var(--space-md);
    left: var(--space-md);
    z-index: 10;
    width: 44px;
    height: 44px;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
  }
  
  .detail-modal .detail-close:hover {
    background: rgba(0, 0, 0, 0.8);
    transform: scale(1.05);
  }
  
  .login-card { max-width: 420px; box-shadow: var(--shadow-xl), 0 0 60px rgba(0, 0, 0, 0.3); }
  .login-logo { width: 80px; height: 80px; box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2); }
  .login-body { padding: var(--space-lg) var(--space-xl); }
  
  .toast { bottom: var(--space-xl); }
}

@media (min-width: 1024px) {
  .exposiciones-list { grid-template-columns: repeat(3, 1fr); }
  #exposicionesDiaSection .exposiciones-list { grid-template-columns: repeat(3, 1fr); }
  .calendario-dia { min-height: 60px; }
  .calendario-dia-numero { font-size: 1rem; }
}

@media (min-width: 1400px) {
  .main { max-width: 1300px; }
  .calendario-container { max-width: 900px; margin: 0 auto; }
}