/* =====================================================
   ESTILOS PANEL DE ADMINISTRACIÓN - BAR VIP
   ===================================================== */

/* Reset y fuentes */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Colores principales */
  --primary-color: #2563eb;
  --primary-dark: #1d4ed8;
  --success-color: #10b981;
  --success-dark: #059669;
  --warning-color: #f59e0b;
  --warning-dark: #d97706;
  --danger-color: #ef4444;
  --danger-dark: #dc2626;
  --info-color: #3b82f6;
  --info-dark: #2563eb;
  
  /* Grises */
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  
  /* Layout */
  --sidebar-width: 280px;
  --topbar-height: 70px;
  --border-radius: 12px;
  --border-radius-sm: 8px;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Transiciones */
  --transition: all 0.3s ease;
  --transition-fast: all 0.15s ease;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: var(--gray-700);
  background-color: var(--gray-50);
  overflow-x: hidden;
}

/* =====================================================
   SIDEBAR
   ===================================================== */

.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: linear-gradient(180deg, var(--gray-900) 0%, var(--gray-800) 100%);
  color: white;
  transition: var(--transition);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
}

.sidebar-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--gray-700);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.25rem;
  font-weight: 700;
}

.logo i {
  color: var(--primary-color);
  font-size: 1.5rem;
}

.sidebar-toggle {
  background: none;
  border: none;
  color: white;
  font-size: 1.25rem;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--border-radius-sm);
  transition: var(--transition-fast);
  display: none;
}

.sidebar-toggle:hover {
  background: var(--gray-700);
}

.sidebar-nav {
  flex: 1;
  padding: 1rem 0;
  list-style: none;
}

.nav-item {
  margin: 0.25rem 0;
}

.nav-link {
  display: flex;
  align-items: center;
  padding: 1rem 1.5rem;
  color: var(--gray-300);
  text-decoration: none;
  transition: var(--transition-fast);
  position: relative;
}

.nav-link:hover {
  background: var(--gray-700);
  color: white;
}

.nav-item.active .nav-link {
  background: var(--primary-color);
  color: white;
}

.nav-item.active .nav-link::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--primary-dark);
}

.nav-link i {
  width: 20px;
  margin-right: 1rem;
  font-size: 1.1rem;
}

.nav-link span {
  flex: 1;
}

.badge {
  background: var(--primary-color);
  color: white;
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
  border-radius: 12px;
  min-width: 20px;
  text-align: center;
}

.sidebar-footer {
  padding: 1rem;
  border-top: 1px solid var(--gray-700);
}

.admin-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  padding: 0.75rem;
  background: var(--gray-700);
  border-radius: var(--border-radius-sm);
}

.admin-info i {
  font-size: 2rem;
  color: var(--gray-400);
}

.admin-name {
  font-weight: 600;
  color: white;
  font-size: 0.9rem;
}

.admin-role {
  font-size: 0.8rem;
  color: var(--gray-400);
}

.logout-btn {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  padding: 0.75rem;
  background: var(--danger-color);
  color: white;
  text-decoration: none;
  border-radius: var(--border-radius-sm);
  transition: var(--transition-fast);
  text-align: center;
  justify-content: center;
}

.logout-btn:hover {
  background: var(--danger-dark);
}

/* =====================================================
   MAIN CONTENT
   ===================================================== */

.main-content {
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  transition: var(--transition);
  background: var(--gray-50);
}

.topbar {
  height: var(--topbar-height);
  background: white;
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.25rem;
  color: var(--gray-600);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--border-radius-sm);
  transition: var(--transition-fast);
}

.mobile-toggle:hover {
  background: var(--gray-100);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--gray-700);
}

.breadcrumb i {
  color: var(--primary-color);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.search-box {
  position: relative;
  display: flex;
  align-items: center;
}

.search-box i {
  position: absolute;
  left: 1rem;
  color: var(--gray-400);
  z-index: 1;
}

.search-box input {
  background: var(--gray-100);
  border: none;
  padding: 0.75rem 1rem 0.75rem 2.5rem;
  border-radius: var(--border-radius);
  font-size: 0.9rem;
  transition: var(--transition-fast);
  width: 300px;
}

.search-box input:focus {
  outline: none;
  background: white;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.refresh-btn {
  background: var(--primary-color);
  color: white;
  border: none;
  padding: 0.75rem;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.refresh-btn:hover {
  background: var(--primary-dark);
}

.admin-dropdown {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--border-radius-sm);
  transition: var(--transition-fast);
}

.admin-dropdown:hover {
  background: var(--gray-100);
}

.admin-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
}

/* =====================================================
   CONTENT AREAS
   ===================================================== */

.content {
  padding: 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

/* Stats Cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: white;
  padding: 1.5rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--primary-color);
}

.stat-card.success::before { background: var(--success-color); }
.stat-card.warning::before { background: var(--warning-color); }
.stat-card.info::before { background: var(--info-color); }

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

.stat-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
  background: var(--primary-color);
}

.stat-card.success .stat-icon { background: var(--success-color); }
.stat-card.warning .stat-icon { background: var(--warning-color); }
.stat-card.info .stat-icon { background: var(--info-color); }

.stat-content {
  flex: 1;
}

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1;
  margin-bottom: 0.25rem;
}

.stat-label {
  color: var(--gray-600);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.stat-change {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.8rem;
  font-weight: 600;
}

.stat-change.positive {
  color: var(--success-color);
}

.stat-change.negative {
  color: var(--danger-color);
}

/* Charts */
.charts-row {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.chart-card {
  background: white;
  padding: 1.5rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
}

.chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--gray-200);
}

.chart-header h3 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--gray-700);
  font-size: 1.1rem;
  margin: 0;
}

.chart-header i {
  color: var(--primary-color);
}

.chart-controls select {
  background: var(--gray-100);
  border: 1px solid var(--gray-300);
  padding: 0.5rem;
  border-radius: var(--border-radius-sm);
  font-size: 0.9rem;
}

.chart-card canvas {
  max-height: 300px;
}

/* Activity */
.activity-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.activity-card {
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
}

.activity-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 1.5rem 1rem;
  border-bottom: 1px solid var(--gray-200);
}

.activity-header h3 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--gray-700);
  font-size: 1.1rem;
  margin: 0;
}

.view-all {
  color: var(--primary-color);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition-fast);
}

.view-all:hover {
  color: var(--primary-dark);
}

.activity-list, .client-list {
  padding: 1rem;
  max-height: 400px;
  overflow-y: auto;
}

.activity-item, .client-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--gray-100);
}

.activity-item:last-child, .client-item:last-child {
  border-bottom: none;
}

.activity-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: white;
  background: var(--gray-400);
}

.activity-icon.success { background: var(--success-color); }
.activity-icon.warning { background: var(--warning-color); }
.activity-icon.danger { background: var(--danger-color); }
.activity-icon.info { background: var(--info-color); }

.activity-content, .client-info {
  flex: 1;
  min-width: 0;
}

.activity-text, .client-name {
  font-weight: 500;
  color: var(--gray-700);
  font-size: 0.9rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.activity-time, .client-time {
  font-size: 0.8rem;
  color: var(--gray-500);
  margin-top: 0.25rem;
}

.client-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  overflow: hidden;
  background: var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: center;
}

.client-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.client-avatar i {
  color: var(--gray-400);
  font-size: 1.2rem;
}

/* System Status */
.system-status {
  margin-top: 2rem;
}

.status-card {
  background: white;
  padding: 1.5rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
}

.status-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--gray-200);
}

.status-header h3 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--gray-700);
  font-size: 1.1rem;
  margin: 0;
}

.status-indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--success-color);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.status-indicator.offline {
  background: var(--danger-color);
}

.status-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.status-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 0;
}

.status-label {
  color: var(--gray-600);
  font-weight: 500;
}

.status-value {
  font-weight: 600;
  color: var(--gray-700);
}

.status-value.connected {
  color: var(--success-color);
}

.status-value.disconnected {
  color: var(--danger-color);
}

/* =====================================================
   LOADING & MODALS
   ===================================================== */

.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.loading-overlay.show {
  opacity: 1;
  visibility: visible;
}

.loading-spinner {
  background: white;
  padding: 2rem;
  border-radius: var(--border-radius);
  text-align: center;
  box-shadow: var(--shadow-xl);
}

.loading-spinner i {
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

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

@media (max-width: 1024px) {
  .charts-row {
    grid-template-columns: 1fr;
  }
  
  .activity-row {
    grid-template-columns: 1fr;
  }
  
  .stats-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }
  
  .sidebar.show {
    transform: translateX(0);
  }
  
  .main-content {
    margin-left: 0;
  }
  
  .mobile-toggle {
    display: flex;
  }
  
  .sidebar-toggle {
    display: flex;
  }
  
  .content {
    padding: 1rem;
  }
  
  .topbar {
    padding: 0 1rem;
  }
  
  .search-box input {
    width: 200px;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .stat-card {
    padding: 1rem;
  }
  
  .stat-number {
    font-size: 1.5rem;
  }
  
  .chart-header {
    flex-direction: column;
    gap: 1rem;
    align-items: stretch;
  }
}

@media (max-width: 480px) {
  .topbar {
    height: 60px;
  }
  
  .search-box {
    display: none;
  }
  
  .breadcrumb {
    font-size: 1.1rem;
  }
  
  .stat-icon {
    width: 50px;
    height: 50px;
    font-size: 1.25rem;
  }
  
  .activity-item, .client-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
  
  .activity-icon, .client-avatar {
    width: 35px;
    height: 35px;
  }
}

/* =====================================================
   UTILIDADES
   ===================================================== */

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-5 { margin-bottom: 1.25rem; }

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mt-5 { margin-top: 1.25rem; }

.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }
.p-5 { padding: 1.25rem; }

.font-bold { font-weight: 700; }
.font-medium { font-weight: 500; }
.font-normal { font-weight: 400; }

.text-sm { font-size: 0.875rem; }
.text-base { font-size: 1rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }

.text-primary { color: var(--primary-color); }
.text-success { color: var(--success-color); }
.text-warning { color: var(--warning-color); }
.text-danger { color: var(--danger-color); }
.text-gray-500 { color: var(--gray-500); }
.text-gray-600 { color: var(--gray-600); }
.text-gray-700 { color: var(--gray-700); }

.bg-primary { background-color: var(--primary-color); }
.bg-success { background-color: var(--success-color); }
.bg-warning { background-color: var(--warning-color); }
.bg-danger { background-color: var(--danger-color); }

.rounded { border-radius: var(--border-radius); }
.rounded-sm { border-radius: var(--border-radius-sm); }
.rounded-full { border-radius: 50%; }

.shadow { box-shadow: var(--shadow); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

.transition { transition: var(--transition); }
.transition-fast { transition: var(--transition-fast); }