/* Variables CSS Modernas */
:root {
  /* Colores principales */
  --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --success-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --warning-gradient: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
  --danger-gradient: linear-gradient(135deg, #fa709a 0%, #fee140 100%);

  /* Colores sólidos */
  --primary-color: #667eea;
  --secondary-color: #764ba2;
  --accent-color: #f5576c;
  --success-color: #00f2fe;
  --warning-color: #38f9d7;
  --danger-color: #fa709a;

  /* Colores neutros */
  --white: #ffffff;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;

  /* Texto */
  --text-primary: var(--gray-900);
  --text-secondary: var(--gray-600);
  --text-muted: var(--gray-500);

  /* Fondos */
  --bg-primary: var(--white);
  --bg-secondary: var(--gray-50);
  --bg-tertiary: var(--gray-100);

  /* Sombras modernas */
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 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);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

  /* Sombras de color */
  --shadow-primary: 0 10px 25px -5px rgba(102, 126, 234, 0.4);
  --shadow-secondary: 0 10px 25px -5px rgba(118, 75, 162, 0.4);
  --shadow-success: 0 10px 25px -5px rgba(0, 242, 254, 0.4);
  --shadow-warning: 0 10px 25px -5px rgba(56, 249, 215, 0.4);
  --shadow-danger: 0 10px 25px -5px rgba(250, 112, 154, 0.4);

  /* Bordes */
  --border-radius-sm: 0.375rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 0.75rem;
  --border-radius-xl: 1rem;
  --border-radius-2xl: 1.5rem;
  --border-radius-full: 9999px;

  /* Espaciado */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;

  /* Transiciones */
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;

  /* Tipografía */
  --font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", Consolas, monospace;
}

/* Reset moderno */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-secondary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Utilidades de layout */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* Navbar ultra moderna */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--gray-200);
  transition: all var(--transition-normal);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
  transition: transform var(--transition-fast);
}

.nav-brand:hover {
  transform: scale(1.05);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  list-style: none;
}

.nav-menu a {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  border-radius: var(--border-radius-lg);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--primary-color);
  background: var(--gray-100);
  transform: translateY(-1px);
}

/* Dropdown moderno */
.nav-dropdown {
  position: relative;
}

.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + var(--spacing-sm));
  left: 0;
  min-width: 280px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-xl);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px) scale(0.95);
  transition: all var(--transition-normal);
  z-index: 1000;
  overflow: hidden;
}

.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.nav-dropdown-menu a {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  color: var(--text-primary);
  border-radius: 0;
  transition: all var(--transition-fast);
}

.nav-dropdown-menu a:hover {
  background: var(--gray-50);
  color: var(--primary-color);
  transform: translateX(4px);
}

.nav-dropdown-menu a i {
  width: 20px;
  text-align: center;
  color: var(--text-muted);
}

.dropdown-divider {
  height: 1px;
  background: var(--gray-200);
  margin: var(--spacing-sm) 0;
}

/* User info moderna */
.user-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--gray-50);
  border-radius: var(--border-radius-full);
  transition: all var(--transition-fast);
}

.user-info:hover {
  background: var(--gray-100);
  transform: scale(1.02);
}

.user-avatar {
  width: 2.5rem;
  height: 2.5rem;
  background: var(--primary-gradient);
  border-radius: var(--border-radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.1rem;
  font-weight: 600;
  box-shadow: var(--shadow-md);
}

.user-details {
  display: flex;
  flex-direction: column;
}

.username {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.875rem;
}

.role-badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.125rem 0.5rem;
  border-radius: var(--border-radius-full);
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.role-badge.admin {
  background: var(--danger-gradient);
  color: var(--white);
}

.role-badge.user {
  background: var(--success-gradient);
  color: var(--white);
}

/* Main content */
.main-content {
  padding: var(--spacing-xl) 0;
  min-height: calc(100vh - 4rem);
}

/* Welcome section espectacular */
.welcome-section {
  background: var(--primary-gradient);
  color: var(--white);
  padding: var(--spacing-2xl);
  border-radius: var(--border-radius-2xl);
  margin-bottom: var(--spacing-2xl);
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-primary);
}

.welcome-section::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-20px) rotate(180deg);
  }
}

.welcome-section h1 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: var(--spacing-md);
  position: relative;
  z-index: 1;
}

.welcome-section p {
  font-size: 1.125rem;
  opacity: 0.9;
  margin-bottom: var(--spacing-lg);
  position: relative;
  z-index: 1;
}

.system-status {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  font-size: 0.875rem;
  position: relative;
  z-index: 1;
}

.status-indicator {
  width: 8px;
  height: 8px;
  border-radius: var(--border-radius-full);
  background: var(--success-color);
  box-shadow: 0 0 20px var(--success-color);
  animation: pulse 2s infinite;
}

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

/* Stats grid moderna */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

.stat-card {
  background: var(--white);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--primary-gradient);
  transform: scaleX(0);
  transition: transform var(--transition-normal);
}

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

.stat-card:hover::before {
  transform: scaleX(1);
}

.stat-card.devices::before {
  background: var(--primary-gradient);
}
.stat-card.wifi::before {
  background: var(--secondary-gradient);
}
.stat-card.docs::before {
  background: var(--warning-gradient);
}
.stat-card.inventory::before {
  background: var(--success-gradient);
}

.stat-card:hover.devices {
  box-shadow: var(--shadow-primary);
}
.stat-card:hover.wifi {
  box-shadow: var(--shadow-secondary);
}
.stat-card:hover.docs {
  box-shadow: var(--shadow-warning);
}
.stat-card:hover.inventory {
  box-shadow: var(--shadow-success);
}

.stat-icon {
  width: 4rem;
  height: 4rem;
  border-radius: var(--border-radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--white);
  margin-bottom: var(--spacing-lg);
  position: relative;
  overflow: hidden;
}

.stat-card.devices .stat-icon {
  background: var(--primary-gradient);
}
.stat-card.wifi .stat-icon {
  background: var(--secondary-gradient);
}
.stat-card.docs .stat-icon {
  background: var(--warning-gradient);
}
.stat-card.inventory .stat-icon {
  background: var(--success-gradient);
}

.stat-icon::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
  transform: scale(0);
  transition: transform var(--transition-normal);
}

.stat-card:hover .stat-icon::before {
  transform: scale(1);
}

.stat-info h3 {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
  line-height: 1;
}

.stat-info p {
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xs);
}

.stat-info small {
  color: var(--text-muted);
  font-size: 0.75rem;
}

/* Dashboard sections */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

.dashboard-section {
  background: var(--white);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  overflow: hidden;
  transition: all var(--transition-normal);
}

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

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-xl);
  border-bottom: 1px solid var(--gray-200);
  background: var(--gray-50);
}

.section-header h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.section-header h2 i {
  color: var(--primary-color);
}

.view-all-link {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.875rem;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-lg);
  transition: all var(--transition-fast);
}

.view-all-link:hover {
  background: var(--gray-100);
  transform: translateX(2px);
}

/* Device list moderna */
.device-list {
  padding: var(--spacing-lg);
}

.device-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  transition: all var(--transition-fast);
  margin-bottom: var(--spacing-md);
}

.device-item:hover {
  background: var(--gray-50);
  transform: translateX(4px);
}

.device-icon {
  width: 3rem;
  height: 3rem;
  border-radius: var(--border-radius-lg);
  background: var(--primary-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.25rem;
  box-shadow: var(--shadow-md);
  flex-shrink: 0;
}

.device-info {
  flex: 1;
}

.device-info h4 {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.device-info p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: var(--spacing-xs);
}

.device-info .ip {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  background: var(--gray-100);
  padding: 0.125rem 0.375rem;
  border-radius: var(--border-radius-sm);
}

.device-status {
  flex-shrink: 0;
}

/* Status badges modernos */
.status-badge {
  padding: 0.375rem 0.75rem;
  border-radius: var(--border-radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.025em;
  border: none;
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.status-badge::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: var(--border-radius-full);
  margin-right: var(--spacing-xs);
}

.status-badge.active {
  background: rgba(0, 242, 254, 0.15);
  color: var(--success-color);
}

.status-badge.active::before {
  background: var(--success-color);
  box-shadow: 0 0 8px var(--success-color);
  animation: pulse 2s infinite;
}

.status-badge.inactive {
  background: rgba(148, 163, 184, 0.15);
  color: var(--gray-600);
}

.status-badge.inactive::before {
  background: var(--gray-500);
}

.status-badge.maintenance {
  background: rgba(56, 249, 215, 0.15);
  color: var(--warning-color);
}

.status-badge.maintenance::before {
  background: var(--warning-color);
  animation: pulse 3s infinite;
}

.status-badge.error {
  background: rgba(250, 112, 154, 0.15);
  color: var(--danger-color);
}

.status-badge.error::before {
  background: var(--danger-color);
  animation: pulse 1s infinite;
}

/* WiFi Grid espectacular */
.wifi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-xl);
  padding: var(--spacing-lg);
}

.wifi-card {
  background: var(--white);
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: all var(--transition-normal);
  position: relative;
}

.wifi-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--secondary-gradient);
  transform: scaleX(0);
  transition: transform var(--transition-normal);
}

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

.wifi-card:hover::before {
  transform: scaleX(1);
}

.wifi-card.inactive {
  opacity: 0.7;
}

.wifi-card.inactive::before {
  background: var(--gray-400);
}

.wifi-header {
  padding: var(--spacing-xl);
  background: linear-gradient(135deg, rgba(118, 75, 162, 0.05) 0%, transparent 100%);
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.wifi-icon {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: var(--border-radius-xl);
  background: var(--secondary-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.5rem;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.wifi-icon::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
  transform: scale(0);
  transition: transform var(--transition-normal);
}

.wifi-card:hover .wifi-icon::before {
  transform: scale(1);
}

.wifi-title h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.wifi-details {
  padding: 0 var(--spacing-xl);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.detail-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.detail-item i {
  color: var(--secondary-color);
  width: 16px;
  text-align: center;
}

.security-badge,
.frequency-badge {
  padding: 0.25rem 0.5rem;
  border-radius: var(--border-radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.security-badge.wpa2,
.security-badge.wpa3 {
  background: var(--success-gradient);
  color: var(--white);
}

.security-badge.wep {
  background: var(--danger-gradient);
  color: var(--white);
}

.security-badge.open {
  background: var(--warning-gradient);
  color: var(--white);
}

.frequency-badge {
  background: var(--gray-200);
  color: var(--gray-700);
}

.wifi-description {
  padding: 0 var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.6;
}

.wifi-actions {
  padding: var(--spacing-lg) var(--spacing-xl);
  background: var(--gray-50);
  display: flex;
  gap: var(--spacing-md);
  border-top: 1px solid var(--gray-200);
}

.btn-link {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-lg);
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.btn-link::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: currentColor;
  opacity: 0.1;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-fast);
  border-radius: inherit;
}

.btn-link:hover {
  transform: translateY(-2px);
}

.btn-link:hover::before {
  transform: scaleX(1);
}

.btn-link i {
  transition: transform var(--transition-fast);
}

.btn-link:hover i {
  transform: translateX(2px);
}

.qr-btn {
  color: var(--secondary-color);
}

/* Documentation Grid */
.documentation-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-xl);
  padding: var(--spacing-lg);
}

.doc-card {
  background: var(--white);
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: all var(--transition-normal);
  position: relative;
}

.doc-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--warning-gradient);
  transform: scaleX(0);
  transition: transform var(--transition-normal);
}

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

.doc-card:hover::before {
  transform: scaleX(1);
}

.doc-header {
  padding: var(--spacing-xl);
  background: linear-gradient(135deg, rgba(56, 249, 215, 0.05) 0%, transparent 100%);
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.doc-icon {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: var(--border-radius-xl);
  background: var(--warning-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.5rem;
  box-shadow: var(--shadow-md);
}

.doc-title h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.category-badge {
  padding: 0.25rem 0.5rem;
  border-radius: var(--border-radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--gray-200);
  color: var(--gray-700);
  text-transform: uppercase;
}

.doc-content {
  padding: 0 var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.6;
}

.doc-meta {
  padding: 0 var(--spacing-xl);
  display: flex;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  color: var(--text-muted);
  font-size: 0.75rem;
}

.doc-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.doc-info i {
  color: var(--warning-color);
}

.doc-actions {
  padding: var(--spacing-lg) var(--spacing-xl);
  background: var(--gray-50);
  display: flex;
  gap: var(--spacing-md);
  border-top: 1px solid var(--gray-200);
}

/* Category filters */
.category-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
}

.filter-btn {
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--border-radius-full);
  background: var(--white);
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  transition: all var(--transition-fast);
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-xs);
}

.filter-btn:hover {
  background: var(--gray-50);
  color: var(--text-primary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.filter-btn.active {
  background: var(--primary-gradient);
  color: var(--white);
  border-color: transparent;
  box-shadow: var(--shadow-primary);
}

/* Quick actions espectacular */
.quick-actions-section {
  margin-top: var(--spacing-2xl);
}

.quick-actions-section h2 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xl);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.quick-actions-section h2 i {
  color: var(--primary-color);
}

.quick-actions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
}

.action-card {
  background: var(--white);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-xl);
  text-decoration: none;
  color: var(--text-primary);
  text-align: center;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  position: relative;
  overflow: hidden;
}

.action-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  transform: scaleX(0);
  transition: transform var(--transition-normal);
}

.action-card:hover {
  transform: translateY(-8px);
  text-decoration: none;
  color: var(--text-primary);
}

.action-card:hover::before {
  transform: scaleX(1);
}

.action-card.primary::before {
  background: var(--primary-gradient);
}
.action-card.wifi::before {
  background: var(--secondary-gradient);
}
.action-card.docs::before {
  background: var(--warning-gradient);
}
.action-card.tools::before {
  background: var(--danger-gradient);
}
.action-card.inventory::before {
  background: var(--success-gradient);
}
.action-card.upload::before {
  background: var(--warning-gradient);
}

.action-card:hover.primary {
  box-shadow: var(--shadow-primary);
}
.action-card:hover.wifi {
  box-shadow: var(--shadow-secondary);
}
.action-card:hover.docs {
  box-shadow: var(--shadow-warning);
}
.action-card:hover.tools {
  box-shadow: var(--shadow-danger);
}
.action-card:hover.inventory {
  box-shadow: var(--shadow-success);
}
.action-card:hover.upload {
  box-shadow: var(--shadow-warning);
}

.action-card i {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
  transition: transform var(--transition-normal);
}

.action-card:hover i {
  transform: scale(1.1);
}

.action-card.primary i {
  color: var(--primary-color);
}
.action-card.wifi i {
  color: var(--secondary-color);
}
.action-card.docs i {
  color: var(--warning-color);
}
.action-card.tools i {
  color: var(--danger-color);
}
.action-card.inventory i {
  color: var(--success-color);
}
.action-card.upload i {
  color: var(--warning-color);
}

.action-card span {
  font-weight: 700;
  font-size: 1rem;
}

.action-card small {
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* Buttons modernos */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  border: none;
  border-radius: var(--border-radius-lg);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left var(--transition-normal);
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: var(--primary-gradient);
  color: var(--white);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary {
  background: var(--secondary-gradient);
  color: var(--white);
  box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-secondary);
  color: var(--white);
}

.btn-outline {
  background: var(--white);
  color: var(--text-primary);
  border: 1px solid var(--gray-300);
  box-shadow: var(--shadow-sm);
}

.btn-outline:hover {
  background: var(--gray-50);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  color: var(--text-primary);
}

.btn-sm {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 0.75rem;
}

.btn-icon {
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border-radius: var(--border-radius-lg);
  background: var(--gray-100);
  color: var(--text-secondary);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.btn-icon:hover {
  background: var(--primary-color);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Empty states */
.empty-state {
  text-align: center;
  padding: var(--spacing-2xl);
  color: var(--text-muted);
}

.empty-state i {
  font-size: 4rem;
  margin-bottom: var(--spacing-lg);
  color: var(--gray-300);
}

.empty-state h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.empty-state p {
  margin-bottom: var(--spacing-lg);
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

/* Page header */
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-xl);
  gap: var(--spacing-lg);
}

.page-title h1 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.page-title h1 i {
  color: var(--primary-color);
}

.page-title p {
  color: var(--text-secondary);
  font-size: 1rem;
}

.page-actions {
  display: flex;
  gap: var(--spacing-sm);
  flex-shrink: 0;
}

/* Alerts modernos */
.alert {
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  margin-bottom: var(--spacing-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  border: 1px solid;
  position: relative;
  overflow: hidden;
}

.alert::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 4px;
}

.alert-success {
  background: rgba(0, 242, 254, 0.1);
  color: var(--success-color);
  border-color: rgba(0, 242, 254, 0.2);
}

.alert-success::before {
  background: var(--success-color);
}

.alert-error {
  background: rgba(250, 112, 154, 0.1);
  color: var(--danger-color);
  border-color: rgba(250, 112, 154, 0.2);
}

.alert-error::before {
  background: var(--danger-color);
}

/* Responsive design */
@media (max-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }

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

@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-md);
  }

  .nav-container {
    padding: 0 var(--spacing-md);
  }

  .user-details {
    display: none;
  }

  .welcome-section {
    padding: var(--spacing-xl);
  }

  .welcome-section h1 {
    font-size: 2rem;
  }

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

  .wifi-grid,
  .documentation-grid {
    grid-template-columns: 1fr;
    padding: var(--spacing-md);
  }

  .quick-actions-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-header {
    flex-direction: column;
    align-items: stretch;
  }

  .category-filters {
    overflow-x: auto;
    padding-bottom: var(--spacing-sm);
  }

  .filter-btn {
    white-space: nowrap;
  }
}

@media (max-width: 480px) {
  .quick-actions-grid {
    grid-template-columns: 1fr;
  }

  .action-card {
    padding: var(--spacing-lg);
  }

  .nav-menu {
    display: none;
  }
}

/* Animaciones adicionales */
@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.stat-card,
.wifi-card,
.doc-card,
.action-card {
  animation: slideInUp 0.6s ease-out;
}

.device-item {
  animation: fadeIn 0.4s ease-out;
}

/* Scrollbar personalizado */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--gray-100);
  border-radius: var(--border-radius-full);
}

::-webkit-scrollbar-thumb {
  background: var(--gray-300);
  border-radius: var(--border-radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gray-400);
}

/* Focus states para accesibilidad */
.btn:focus,
.btn-icon:focus,
.filter-btn:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Mejoras de performance */
.stat-card,
.wifi-card,
.doc-card,
.action-card,
.device-item {
  will-change: transform;
}

/* Print styles */
@media print {
  .navbar,
  .page-actions,
  .wifi-actions,
  .doc-actions,
  .quick-actions-section {
    display: none !important;
  }

  .main-content {
    padding: 0;
  }

  .stat-card,
  .wifi-card,
  .doc-card {
    box-shadow: none;
    border: 1px solid var(--gray-300);
    break-inside: avoid;
  }
}

/* ===== MEJORA DE TARJETAS DE DISPOSITIVOS ===== */

/* Contenedor de dispositivos con grid moderno */
.devices-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

/* Tarjeta de dispositivo completamente rediseñada */
.device-card {
  position: relative;
  background: var(--white);
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  display: flex;
  flex-direction: column;
  height: 100%;
}

/* Efecto de elevación y transformación al hover */
.device-card:hover {
  transform: translateY(-8px) scale(1.01);
  box-shadow: var(--shadow-xl);
  z-index: 1;
}

/* Barra de color superior según estado */
.device-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--primary-gradient);
  transition: height var(--transition-normal);
}

.device-card:hover::before {
  height: 6px;
}

/* Variantes de color según estado */
.device-card.active::before {
  background: var(--success-gradient);
}

.device-card.inactive::before {
  background: var(--gray-400);
}

.device-card.maintenance::before {
  background: var(--warning-gradient);
}

.device-card.error::before {
  background: var(--danger-gradient);
}

/* Cabecera de la tarjeta */
.device-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: var(--spacing-xl);
  position: relative;
}

/* Título y categoría */
.device-header h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
  line-height: 1.3;
  transition: color var(--transition-fast);
}

.device-card:hover .device-header h3 {
  color: var(--primary-color);
}

/* Detalles del dispositivo */
.device-details {
  padding: 0 var(--spacing-xl);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md) var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

/* Elementos de detalle */
.detail-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--text-secondary);
  font-size: 0.875rem;
  position: relative;
}

.detail-item i {
  color: var(--primary-color);
  width: 16px;
  height: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-fast);
}

.device-card:hover .detail-item i {
  transform: scale(1.2);
}

/* Estilos especiales para IP */
.detail-item .ip {
  font-family: var(--font-mono);
  background: var(--gray-100);
  padding: 0.25rem 0.5rem;
  border-radius: var(--border-radius-sm);
  font-size: 0.75rem;
  transition: background var(--transition-fast);
}

.device-card:hover .detail-item .ip {
  background: var(--gray-200);
}

/* Descripción del dispositivo */
.device-description {
  padding: 0 var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.6;
  position: relative;
}

.device-description p {
  position: relative;
  padding-left: var(--spacing-lg);
  border-left: 2px solid var(--gray-200);
  transition: border-color var(--transition-fast);
}

.device-card:hover .device-description p {
  border-left-color: var(--primary-color);
}

/* Acciones de dispositivo */
.device-actions {
  margin-top: auto;
  padding: var(--spacing-lg) var(--spacing-xl);
  display: flex;
  gap: var(--spacing-md);
  border-top: 1px solid var(--gray-200);
  background: var(--gray-50);
  transition: background var(--transition-fast);
}

.device-card:hover .device-actions {
  background: var(--gray-100);
}

/* Icono de categoría */
.device-category-icon {
  position: absolute;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  width: 3rem;
  height: 3rem;
  border-radius: var(--border-radius-lg);
  background: var(--primary-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.25rem;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  opacity: 0.9;
}

.device-card:hover .device-category-icon {
  transform: scale(1.1) rotate(5deg);
  box-shadow: var(--shadow-lg);
  opacity: 1;
}

/* Variantes de icono por categoría */
.device-category-icon.router {
  background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
}

.device-category-icon.switch {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.device-category-icon.ap {
  background: linear-gradient(135deg, #8b5cf6 0%, #6d28d9 100%);
}

.device-category-icon.server {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

.device-category-icon.firewall {
  background: linear-gradient(135deg, #ef4444 0%, #b91c1c 100%);
}

/* Indicador de última actualización */
.device-updated {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-xs);
}

.device-updated i {
  font-size: 0.875rem;
}

/* Etiquetas */
.device-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-md);
  padding: 0 var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
}

.device-tag {
  padding: 0.25rem 0.5rem;
  background: var(--gray-100);
  color: var(--text-secondary);
  border-radius: var(--border-radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.device-card:hover .device-tag {
  background: var(--gray-200);
  transform: translateY(-1px);
}

/* Indicador de prioridad */
.priority-indicator {
  position: absolute;
  top: var(--spacing-lg);
  left: var(--spacing-lg);
  width: 0.5rem;
  height: 0.5rem;
  border-radius: var(--border-radius-full);
}

.priority-high {
  background: var(--danger-color);
  box-shadow: 0 0 8px var(--danger-color);
}

.priority-medium {
  background: var(--warning-color);
  box-shadow: 0 0 8px var(--warning-color);
}

.priority-low {
  background: var(--success-color);
  box-shadow: 0 0 8px var(--success-color);
}

/* Responsive para dispositivos */
@media (max-width: 768px) {
  .devices-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
  }

  .device-details {
    grid-template-columns: 1fr;
  }

  .device-category-icon {
    width: 2.5rem;
    height: 2.5rem;
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .devices-grid {
    grid-template-columns: 1fr;
  }

  .device-actions {
    flex-wrap: wrap;
  }
}