:root {
  --primary-color: #1e40af;
  --secondary-color: #64748b;
  --accent-color: #f59e0b;
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --danger-color: #ef4444;
  --body-bg: #f8fafc;
  --card-bg: #ffffff;
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --border-color: #e2e8f0;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --border-radius: 16px;
  --border-radius-lg: 24px;
}

* {
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  background-attachment: fixed;
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

.main-container {
  background: var(--body-bg);
  min-height: 100vh;
  border-radius: 0;
}

/* Loader con animación 3D */
#loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: opacity 1s ease-in-out, visibility 1s ease-in-out;
}

#loader.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader-content {
  text-align: center;
  color: white;
}

.loader-spinner {
  width: 60px;
  height: 60px;
  border: 4px solid rgba(255, 255, 255, 0.3);
  border-top: 4px solid white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 1rem;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Header institucional */
.hero {
  background: linear-gradient(135deg, var(--primary-color) 0%, #1e3a8a 100%);
  color: white;
  padding: 3rem 2rem;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-xl);
  margin-bottom: 2rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 40%;
  height: 200%;
  background: rgba(255, 255, 255, 0.05);
  transform: rotate(15deg);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-weight: 700;
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.hero .lead {
  font-size: 1.25rem;
  opacity: 0.9;
  font-weight: 500;
}

.logo-container {
  width: 80px;
  height: 80px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 1.5rem;
  backdrop-filter: blur(10px);
}

.logo-container i {
  font-size: 2rem;
  color: white;
}

/* Navegación moderna */
.main-nav {
  background: var(--card-bg);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  padding: 0.5rem;
  margin-bottom: 2rem;
  border: none;
}

.main-nav .nav-link {
  color: var(--text-secondary);
  font-weight: 600;
  border: 0;
  border-radius: var(--border-radius);
  padding: 0.75rem 1.5rem;
  transition: all 0.3s ease;
  margin: 0 0.25rem;
  position: relative;
  overflow: hidden;
}

.main-nav .nav-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  transition: left 0.5s ease;
}

.main-nav .nav-link:hover::before {
  left: 100%;
}

.main-nav .nav-link.active {
  color: white;
  background: linear-gradient(135deg, var(--primary-color), #1e3a8a);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.main-nav .nav-link:hover {
  color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

/* Vistas */
.view {
  display: none;
  animation: fadeInUp 0.6s ease-out;
}

.view.active {
  display: block;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Cards modernas */
.card {
  border: none;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
  background: var(--card-bg);
  overflow: hidden;
  position: relative;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.card:hover::before {
  opacity: 1;
}

.card-body {
  padding: 1.5rem;
}

/* Timeline mejorado NO superpuesto */
.timeline-container {
  position: relative;
  background: var(--border-color);
  border-radius: 12px;
  overflow: visible;
  margin-top: 1rem;
  min-height: 32px;
  transition: all 0.3s ease;
}

.timeline-hour-markers {
  position: absolute;
  top: -20px;
  left: 0;
  width: 100%;
  height: 20px;
  font-size: 0.7rem;
  color: var(--text-secondary);
  pointer-events: none;
}

.timeline-hour-marker {
  position: absolute;
  top: 0;
  transform: translateX(-50%);
}

.timeline-segment {
  position: absolute;
  height: 28px;
  background: linear-gradient(135deg, var(--primary-color), #1e3a8a);
  color: white;
  font-size: 0.75rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  padding: 0 8px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-sm);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.timeline-segment:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  z-index: 10;
}

.timeline-segment.whatsapp-enabled {
  background: linear-gradient(135deg, #25d366, #128c7e);
}

/* Estados de cobertura */
.coverage-badge {
  font-weight: 600;
  font-size: 0.875rem;
  padding: 0.5rem 1rem;
  border-radius: 25px;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.coverage-full {
  background: var(--success-color);
  color: white;
}

.coverage-partial {
  background: var(--warning-color);
  color: white;
}

.coverage-none {
  background: var(--danger-color);
  color: white;
}

/* Mapa */
#map {
  height: 70vh;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
}

/* Progreso moderno */
.progress {
  height: 8px;
  background: var(--border-color);
  border-radius: 4px;
  overflow: hidden;
}

.progress-bar {
  background: linear-gradient(90deg, var(--success-color), #059669);
  transition: width 1s ease;
  position: relative;
}

.progress-bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, transparent 40%, rgba(255, 255, 255, 0.3) 50%, transparent 60%);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* Botones modernos */
.btn {
  font-weight: 600;
  border-radius: var(--border-radius);
  padding: 0.75rem 1.5rem;
  transition: all 0.3s ease;
  border: none;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), #1e3a8a);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-whatsapp {
  background: linear-gradient(135deg, #25d366, #128c7e);
  color: white;
  border: none;
  font-size: 0.85rem;
  padding: 0.5rem 1rem;
  margin-left: 0.5rem;
}

.btn-whatsapp:hover {
  background: linear-gradient(135deg, #128c7e, #075e54);
  color: white;
  transform: translateY(-1px);
}

/* Modales */
.modal-content {
  border: none;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-xl);
}

.modal-header {
  background: linear-gradient(135deg, var(--primary-color), #1e3a8a);
  color: white;
  border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
  padding: 1.5rem;
}

/* Animaciones de entrada */
.stagger-in {
  animation: slideUpIn 0.6s ease-out forwards;
  opacity: 0;
}

@keyframes slideUpIn {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Buscador mejorado */
.search-container {
  position: relative;
  margin-bottom: 1.5rem;
}

.search-container input {
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 0.75rem 1rem 0.75rem 3rem;
  font-weight: 500;
  transition: all 0.3s ease;
  background: var(--card-bg);
}

.search-container input:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
  outline: none;
}

.search-container .search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-secondary);
  pointer-events: none;
}

/* Tablets y móviles */
@media (max-width: 768px) {
  .hero {
    padding: 2rem 1rem;
    text-align: center;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .main-nav .nav-link {
    padding: 0.75rem;
    font-size: 0.875rem;
  }
  
  .card-body {
    padding: 1rem;
  }
  
  .timeline-segment {
    font-size: 0.7rem;
    height: 24px;
    padding: 0 4px;
  }
  
  #map {
    height: 50vh;
  }
}

/* Efectos de sistema de mesas */
.mesa-status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  margin: 0.25rem;
}

.mesa-esperando {
  background: #fee2e2;
  color: #dc2626;
}

.mesa-abierta {
  background: #dbeafe;
  color: #2563eb;
}

.mesa-cerrada {
  background: #fef3c7;
  color: #d97706;
}

.mesa-finalizado {
  background: #dcfce7;
  color: #16a34a;
}