/* ============================================
   MkController - Estilos Globales
   Administración de Routers MikroTik
   ============================================ */

/* === Variables CSS === */
:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #3b82f6;
  --secondary: #64748b;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #06b6d4;

  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-card: #1e293b;
  --bg-input: #334155;
  --bg-hover: #334155;

  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --border-color: #334155;
  --border-radius: 8px;
  --border-radius-lg: 12px;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.3);

  --sidebar-width: 260px;
  --header-height: 64px;

  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* === Reset & Base === */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-family);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

a {
  color: var(--primary-light);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--primary);
}

/* === Scrollbar === */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--secondary);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* === Login Page === */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--bg-primary) 0%, #1a1a2e 50%, #16213e 100%);
  padding: 20px;
}

.login-container {
  width: 100%;
  max-width: 420px;
}

.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-lg);
}

.login-header {
  text-align: center;
  margin-bottom: 32px;
}

.login-logo {
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 32px;
  color: white;
  font-weight: 800;
}

.login-header h1 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 4px;
}

.login-header p {
  color: var(--text-secondary);
  font-size: 14px;
}

.login-form .form-group {
  margin-bottom: 20px;
}

.login-form label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.login-form .input-group {
  position: relative;
}

.login-form .input-group .icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 18px;
}

.login-form input[type="text"],
.login-form input[type="password"] {
  width: 100%;
  padding: 12px 12px 12px 42px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  color: var(--text-primary);
  font-size: 14px;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}

.login-form input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

.login-form .btn-login {
  width: 100%;
  padding: 12px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  border: none;
  border-radius: var(--border-radius);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}

.login-form .btn-login:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.4);
}

.login-form .btn-login:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.login-error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: var(--danger);
  padding: 10px 14px;
  border-radius: var(--border-radius);
  font-size: 13px;
  margin-bottom: 16px;
  display: none;
}

.login-error.show {
  display: block;
}

.login-footer {
  text-align: center;
  margin-top: 24px;
  font-size: 12px;
  color: var(--text-muted);
}

/* === Layout Principal === */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* === Sidebar === */
.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  transition: transform 0.3s ease;
}

.sidebar-header {
  padding: 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 12px;
}

.sidebar-logo {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: white;
  font-weight: 700;
  flex-shrink: 0;
}

.sidebar-brand {
  flex: 1;
}

.sidebar-brand h2 {
  font-size: 16px;
  font-weight: 700;
}

.sidebar-brand span {
  font-size: 11px;
  color: var(--text-muted);
}

.sidebar-nav {
  flex: 1;
  padding: 12px 0;
  overflow-y: auto;
}

.nav-section {
  padding: 8px 20px 4px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 20px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
  font-size: 14px;
  border-left: 3px solid transparent;
}

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

.nav-item.active {
  background: rgba(37, 99, 235, 0.1);
  color: var(--primary-light);
  border-left-color: var(--primary);
}

.nav-item .nav-icon {
  font-size: 20px;
  width: 24px;
  text-align: center;
  flex-shrink: 0;
}

.nav-item .nav-badge {
  margin-left: auto;
  background: var(--primary);
  color: white;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 600;
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border-color);
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  color: white;
  flex-shrink: 0;
}

.sidebar-user-info {
  flex: 1;
  min-width: 0;
}

.sidebar-user-info .name {
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-user-info .role {
  font-size: 11px;
  color: var(--text-muted);
}

/* === Main Content === */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* === Top Header === */
.top-header {
  height: var(--header-height);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 50;
}

.top-header .page-title {
  font-size: 18px;
  font-weight: 600;
  flex: 1;
}

.top-header .header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  font-size: 18px;
}

.header-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

/* === Page Content === */
.page-content {
  flex: 1;
  padding: 24px;
  overflow-y: auto;
}

/* === Cards === */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.card-title {
  font-size: 16px;
  font-weight: 600;
}

.card-body {
  /* contenido */
}

/* === Stats Cards === */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: 20px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: transform 0.2s, box-shadow 0.2s;
}

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

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
}

.stat-icon.blue { background: rgba(37, 99, 235, 0.15); color: var(--primary-light); }
.stat-icon.green { background: rgba(16, 185, 129, 0.15); color: var(--success); }
.stat-icon.yellow { background: rgba(245, 158, 11, 0.15); color: var(--warning); }
.stat-icon.red { background: rgba(239, 68, 68, 0.15); color: var(--danger); }
.stat-icon.cyan { background: rgba(6, 182, 212, 0.15); color: var(--info); }
.stat-icon.purple { background: rgba(139, 92, 246, 0.15); color: #8b5cf6; }

.stat-info {
  flex: 1;
}

.stat-info .stat-label {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 500;
}

.stat-info .stat-value {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.2;
  margin-top: 4px;
}

.stat-info .stat-detail {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* === Grid Layouts === */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
}

/* === Tables === */
.table-container {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

thead th {
  text-align: left;
  padding: 10px 12px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

tbody td {
  padding: 10px 12px;
  font-size: 13px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-secondary);
}

tbody tr:hover {
  background: var(--bg-hover);
}

tbody tr:last-child td {
  border-bottom: none;
}

/* === Status Badges === */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
}

.badge-success {
  background: rgba(16, 185, 129, 0.15);
  color: var(--success);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.15);
  color: var(--warning);
}

.badge-danger {
  background: rgba(239, 68, 68, 0.15);
  color: var(--danger);
}

.badge-info {
  background: rgba(6, 182, 212, 0.15);
  color: var(--info);
}

.badge-secondary {
  background: rgba(100, 116, 139, 0.15);
  color: var(--secondary);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.status-dot.online { background: var(--success); box-shadow: 0 0 6px rgba(16, 185, 129, 0.5); }
.status-dot.offline { background: var(--danger); }
.status-dot.unknown { background: var(--text-muted); }

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--border-radius);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

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

.btn-secondary {
  background: transparent;
  color: var(--text-secondary);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

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

.btn-danger {
  background: var(--danger);
  color: white;
}

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

.btn-sm {
  padding: 5px 10px;
  font-size: 12px;
}

.btn-lg {
  padding: 12px 24px;
  font-size: 15px;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* === Forms === */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  color: var(--text-primary);
  font-size: 14px;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  font-family: var(--font-family);
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

.form-control::placeholder {
  color: var(--text-muted);
}

select.form-control {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}

textarea.form-control {
  resize: vertical;
  min-height: 80px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

/* === Modal === */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
  backdrop-filter: blur(4px);
}

.modal-overlay.show {
  display: flex;
}

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
  font-size: 18px;
  font-weight: 600;
}

.modal-close {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  transition: all 0.2s;
}

.modal-close:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.modal-body {
  padding: 24px;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 16px 24px;
  border-top: 1px solid var(--border-color);
}

/* === Loading === */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  color: var(--text-muted);
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--border-color);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* === Alerts === */
.alert {
  padding: 12px 16px;
  border-radius: var(--border-radius);
  font-size: 13px;
  margin-bottom: 16px;
}

.alert-success {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--success);
}

.alert-danger {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: var(--danger);
}

.alert-warning {
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: var(--warning);
}

.alert-info {
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.3);
  color: var(--info);
}

/* === Empty State === */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty-state .empty-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.empty-state h3 {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.empty-state p {
  font-size: 14px;
  margin-bottom: 20px;
}

/* === Tabs === */
.tabs {
  display: flex;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 20px;
  gap: 0;
}

.tab {
  padding: 10px 20px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
}

.tab:hover {
  color: var(--text-primary);
  background: var(--bg-hover);
}

.tab.active {
  color: var(--primary-light);
  border-bottom-color: var(--primary);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* === Toolbar === */
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  gap: 12px;
  flex-wrap: wrap;
}

.toolbar-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.toolbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.search-box {
  position: relative;
}

.search-box input {
  padding: 8px 12px 8px 36px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  color: var(--text-primary);
  font-size: 13px;
  width: 240px;
  outline: none;
  transition: border-color 0.2s;
}

.search-box input:focus {
  border-color: var(--primary);
}

.search-box .search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 16px;
}

/* === Activity List === */
.activity-list {
  list-style: none;
}

.activity-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-color);
}

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

.activity-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-top: 6px;
  flex-shrink: 0;
}

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

.activity-content .activity-text {
  font-size: 13px;
  color: var(--text-secondary);
}

.activity-content .activity-time {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* === Responsive === */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .main-content {
    margin-left: 0;
  }

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

  .grid-2, .grid-3 {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .page-content {
    padding: 16px;
  }

  .top-header {
    padding: 0 16px;
  }

  .search-box input {
    width: 160px;
  }

  .mobile-menu-btn {
    display: flex !important;
  }
}

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

  .login-card {
    padding: 24px;
  }
}

/* === Mobile Menu Button === */
.mobile-menu-btn {
  display: none;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  transition: all 0.2s;
}

.mobile-menu-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

/* === Copy Button === */
.copy-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 14px;
  transition: all 0.2s;
}

.copy-btn:hover {
  color: var(--primary-light);
  background: rgba(37, 99, 235, 0.1);
}

/* === Command Output === */
.command-output {
  background: #0d1117;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 16px;
  font-family: 'Consolas', 'Monaco', monospace;
  font-size: 13px;
  color: #e6edf3;
  overflow-x: auto;
  white-space: pre-wrap;
  max-height: 400px;
  overflow-y: auto;
}

/* === Toast Notifications === */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 12px 20px;
  border-radius: var(--border-radius);
  font-size: 13px;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  animation: slideIn 0.3s ease;
  max-width: 360px;
}

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

.toast-error {
  background: var(--danger);
  color: white;
}

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

.toast-info {
  background: var(--info);
  color: white;
}

@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* === Charts placeholder === */
.chart-container {
  width: 100%;
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 14px;
}

/* === Info Grid === */
.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.info-item {
  padding: 8px 0;
}

.info-item .info-label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 2px;
}

.info-item .info-value {
  font-size: 14px;
  color: var(--text-primary);
  font-weight: 500;
}

/* ============================================
   nexusMK - Estilos específicos
   ============================================ */
.section-header {
  margin: 30px 0 15px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-color);
}

.section-header h2 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.device-card {
  background: var(--bg-card);
  border-radius: var(--border-radius-lg);
  padding: 20px;
  border: 1px solid var(--border-color);
  transition: all 0.3s;
  border-top: 3px solid var(--primary);
}

.device-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.device-card .device-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.device-card .device-type-badge {
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 20px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-chr { background: rgba(37, 99, 235, 0.2); color: #60a5fa; }
.badge-rb { background: rgba(16, 185, 129, 0.2); color: #34d399; }
.badge-switch { background: rgba(245, 158, 11, 0.2); color: #fbbf24; }
.badge-otros { background: rgba(100, 116, 139, 0.2); color: #94a3b8; }

.device-card .device-status {
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 20px;
  font-weight: 600;
}

.device-card .device-status.active {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
}

.device-card .device-status.inactive {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
}

.device-card .device-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.device-card .device-detail {
  display: flex;
  justify-content: space-between;
  padding: 4px 0;
  font-size: 13px;
}

.device-card .device-detail .detail-label {
  color: var(--text-muted);
}

.device-card .device-detail .detail-value {
  color: var(--text-secondary);
  font-weight: 500;
}

.status-card {
  background: var(--bg-card);
  border-radius: var(--border-radius-lg);
  padding: 20px;
  border: 1px solid var(--border-color);
  margin-bottom: 20px;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-secondary);
}

.status-indicator.checking {
  color: var(--text-muted);
}

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

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

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.status-dot.green { background: var(--success); }
.status-dot.red { background: var(--danger); }
.status-dot.yellow { background: var(--warning); }

.loading-state, .empty-state, .error-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-muted);
  font-size: 14px;
}

.error-state {
  color: var(--danger);
}

.error-text {
  color: var(--danger);
}

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

.data-table code {
  background: rgba(37, 99, 235, 0.1);
  color: #60a5fa;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 13px;
}