/* ------------------------------
   VARIABLES Y CONFIGURACIONES
   ------------------------------ */
:root {
    /* Colores base */
    --color-background: #1e1e2d;
    --color-background-light: #252538;
    --color-background-hover: #2d2d44;
    --color-background-active: #32324f;
    --color-text: #ffffff;
    --color-text-secondary: #a3a3c2;
    --color-text-muted: #6c6c94;
    --color-border: #2d2d44;
    
    /* Colores primarios y de acento */
    --color-primary: #4361ee;
    --color-primary-hover: #3a56d4;
    --color-primary-transparent: rgba(67, 97, 238, 0.15);
    --color-accent: #6c63ff;
    
    /* Colores semánticos */
    --color-success: #2ecc71;
    --color-info: #3498db;
    --color-warning: #f39c12;
    --color-danger: #e74c3c;
    
    /* Colores para niveles de alerta */
    --color-level1: var(--color-warning);
    --color-level2: #ff9800;
    --color-level3: var(--color-danger);
    
    /* Sombras */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.3);
    
    /* Bordes */
    --border-radius: 8px;
    --border-radius-sm: 4px;
    --border-radius-lg: 12px;
    
    /* Espaciado */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    
    /* Tipografía */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-md: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    
    /* Transiciones */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    /* UI helpers */
    --focus-ring: 0 0 0 2px rgba(67, 97, 238, 0.35);

    /* Aliases para compatibilidad con estilos existentes */
    --header-bg: var(--color-background);
    --card-bg: var(--color-background-light);
    --border-color: var(--color-border);
    --text-primary: var(--color-text);
    --text-secondary: var(--color-text-secondary);
    --accent-color: var(--color-accent);
    --accent-color-rgb: 108, 99, 255; /* #6c63ff */
    --input-bg: var(--color-background);
    --bg-hover: var(--color-background-hover);
    --text-color: var(--color-text);
    --stripe-bg: rgba(255,255,255,0.04);
}

/* Tema claro: sobreescribe variables cuando [data-theme="light"] en <html> */
html[data-theme="light"] {
    --color-background: #f5f7fb;
    --color-background-light: #ffffff;
    --color-background-hover: #eef1f7;
    --color-background-active: #e6ebf5;
    --color-text: #1f2937;
    --color-text-secondary: #495266;
    --color-text-muted: #6b7280;
    --color-border: #e3e7ef;

    --color-primary: #3a56d4;
    --color-primary-hover: #2f45b5;
    --color-primary-transparent: rgba(58, 86, 212, 0.15);
    --color-accent: #5750ff;

    --shadow-sm: 0 2px 4px rgba(31, 41, 55, 0.08);
    --shadow-md: 0 6px 12px rgba(31, 41, 55, 0.10);
    --shadow-lg: 0 12px 20px rgba(31, 41, 55, 0.12);

    /* Aliases mapeados para tema claro */
    --header-bg: var(--color-background-light);
    --card-bg: var(--color-background-light);
    --border-color: var(--color-border);
    --text-primary: var(--color-text);
    --text-secondary: var(--color-text-secondary);
    --accent-color: var(--color-accent);
    --accent-color-rgb: 87, 80, 255; /* #5750ff */
    --input-bg: #f9fbff;
    --bg-hover: var(--color-background-hover);
    --text-color: var(--color-text);
    --stripe-bg: rgba(0,0,0,0.03);
}

/* ------------------------------
   RESET Y ESTILOS BASE
   ------------------------------ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    margin: 0;
    padding: 0;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--color-text);
    background-color: var(--color-background);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-y: auto;
    height: 100%;
    transition: background-color var(--transition-base), color var(--transition-base);
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-hover);
}

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
}

h1, h2, h3, h4, h5, h6 {
    margin-bottom: 0.5rem;
    font-weight: 600;
    line-height: 1.2;
}

p {
    margin-bottom: 1rem;
}

/* ------------------------------
   LAYOUT PRINCIPAL
   ------------------------------ */
.app-container {
    display: flex;
    min-height: 100vh;
    background-color: var(--color-background);
    overflow-y: auto;
}

.main-content {
    flex: 1;
    padding: var(--spacing-xl);
    background-color: var(--color-background);
    overflow-y: auto;
    height: 100vh;
}

.content {
    display: flex;
    flex-direction: column;
    min-height: 100%;
    width: 100%;
    max-width: 100%;
    overflow-y: auto;
}

/* ------------------------------
   SECCIONES PRINCIPALES
   ------------------------------ */
.content-section {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: var(--spacing-xl);
    overflow-y: auto;
}

.content-section.active {
    display: block;
    opacity: 1;
    animation: fadeIn var(--transition-base) forwards;
}

.section-header {
    margin-bottom: var(--spacing-lg);
}

.section-header h2 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.section-description {
    color: var(--color-text-secondary);
    font-size: var(--font-size-md);
    margin-bottom: var(--spacing-md);
}

/* ------------------------------
   DASHBOARD LAYOUT Y COMPONENTES
   ------------------------------ */
.dashboard-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    width: 100%;
    overflow-y: auto;
}

/* Contenedor para el selector de sensores */
.sensor-selector-container {
    width: 100%;
}

.sensor-selector-card {
    display: flex;
    flex-direction: row;
    align-items: center;
    background-color: var(--color-background-light);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: background-color var(--transition-base), border-color var(--transition-base), color var(--transition-base);
}

.sensor-selector-card .card-header {
    display: flex;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: rgba(67, 97, 238, 0.1);
    border-right: 1px solid var(--color-border);
    min-width: 120px;
}

.sensor-selector-card .card-header h5 {
    margin: 0;
    color: var(--color-primary);
    font-size: var(--font-size-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.sensor-selector-card .card-body {
    display: flex;
    flex: 1;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    gap: var(--spacing-md);
}

.sensor-selector-card #sensorSelector {
    max-width: 300px;
    flex: 1;
}

.sensor-selector-card #dataStatus {
    margin: 0;
    padding-left: var(--spacing-md);
}

@media (max-width: 768px) {
    .sensor-selector-card {
        flex-direction: column;
    }
    
    .sensor-selector-card .card-header {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--color-border);
    }
    
    .sensor-selector-card .card-body {
        flex-direction: column;
        align-items: stretch;
    }
    
    .sensor-selector-card #sensorSelector {
        max-width: 100%;
    }
}

/* Contenedor de filtros horizontales */
.filters-bar {
    display: flex;
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    background-color: var(--color-background-light);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    transition: background-color var(--transition-base), border-color var(--transition-base), color var(--transition-base);
}

.filter-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 0;
    flex: 0 0 auto;
}

.filter-group label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-secondary);
}

.filter-group .form-control {
    width: auto;
}

/* Estilos para el contenedor de gráficos apilados verticalmente */
.charts-stack {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
    width: 100%;
}

.chart-card {
    width: 100%;
    background-color: var(--color-background-light);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.chart-card:hover {
    box-shadow: var(--shadow-md);
}

.chart-card .card-body {
    padding: var(--spacing-md);
}

.chart-container {
    width: 100%;
    height: 300px; /* Altura fija para todos los gráficos */
    position: relative;
}

/* Estilos para los toggles de límites */
.limits-toggle {
    display: none;
}

.limits-label {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    background-color: var(--color-background);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.limits-label::before {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    margin-right: var(--spacing-xs);
    border-radius: 4px;
    border: 2px solid currentColor;
    transition: all var(--transition-fast);
}

.limits-toggle:checked + .limits-label {
    color: var(--color-text);
    background-color: var(--color-background-active);
}

.limits-toggle:checked + .limits-label::before {
    background-color: currentColor;
    border-color: currentColor;
}

.limits-label.x-axis {
    color: var(--color-success);
}

.limits-label.y-axis {
    color: var(--color-warning);
}

.limits-label.z-axis {
    color: var(--color-danger);
}

/* Intensificar fondo por eje para legibilidad */
.limits-label.x-axis { background-color: rgba(46, 204, 113, 0.1); }
.limits-label.y-axis { background-color: rgba(243, 156, 18, 0.1); }
.limits-label.z-axis { background-color: rgba(231, 76, 60, 0.1); }

/* Controles de datos (puntos y frecuencia) */
.data-controls {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
}
.data-controls .control { display: inline-flex; align-items: center; gap: var(--spacing-xs); }
.data-controls .control .form-control-sm { width: 90px; }
.control-help { color: var(--color-text-secondary); font-size: var(--font-size-sm); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
}

/* Responsive adjustments for mobile */
@media (max-width: 768px) {
    .filters-bar {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .filter-group {
        width: 100%;
        margin-bottom: var(--spacing-sm);
    }
    
    .filter-group .form-control {
        width: 100%;
    }
    
    .chart-container {
        height: 250px; /* Menor altura en móviles */
    }
}

/* ------------------------------
   COMPONENTES DE INTERFAZ
   ------------------------------ */
.card {
    background-color: var(--color-background-light);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-base), transform var(--transition-base), background-color var(--transition-base), border-color var(--transition-base), color var(--transition-base);
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    background-color: var(--color-background);
}

.card-header h5 {
    margin: 0;
    font-size: var(--font-size-md);
    font-weight: 600;
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.card-body {
    padding: var(--spacing-md);
}

.filter-card {
    height: 100%;
    display: flex;
    flex-direction: column;
    background-color: var(--color-background-light);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    overflow: hidden;
}

.filter-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.filter-card .card-body {
    flex: 1;
    padding: var(--spacing-md);
}

.config-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    width: 100%;
}

@media (max-width: 1200px) {
    .config-grid {
        grid-template-columns: 1fr;
    }
}

.config-card {
    background-color: var(--color-background-light);
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.config-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

.config-card .card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--header-bg);
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
}

.config-card .card-header h5 {
    margin: 0;
    color: var(--text-primary);
    font-weight: 600;
    display: flex;
    align-items: center;
}

.config-card .card-header h5 i {
    margin-right: 10px;
    color: var(--accent-color);
}

.config-card .card-body {
    padding: 20px;
}

.form-group {
    margin-bottom: 15px;
}

.form-group h6 {
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 5px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    color: var(--text-secondary);
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--input-bg);
    color: var(--text-primary);
    transition: border-color 0.3s;
}

.form-control:focus {
    border-color: var(--accent-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(var(--accent-color-rgb), 0.25);
}

.file-selector {
    display: flex;
    align-items: center;
}

.file-selector input[type="text"] {
    flex: 1;
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

.file-selector button {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 8px 12px;
    cursor: pointer;
}

.limit-inputs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.limit-input-group {
    display: flex;
    flex-direction: column;
}

.d-flex {
    display: flex;
    gap: 5px;
}

.d-flex input {
    width: 50%;
}

.config-actions {
    padding: 20px;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    background-color: var(--color-background-light);
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.btn {
    padding: 8px 16px;
    border-radius: 4px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-primary {
    background-color: var(--accent-color);
    color: white;
    border: none;
}

.btn-primary:hover {
    background-color: var(--accent-hover);
}

.btn-outline-secondary {
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.btn-outline-secondary:hover {
    background-color: var(--border-color);
    color: var(--text-primary);
}

.btn-info {
    background-color: var(--info-color, #0dcaf0);
    color: white;
    border: none;
}

.btn-info:hover {
    background-color: var(--info-hover, #0bacdf);
}

.me-2 {
    margin-right: 10px;
}

/* Estilos para las tablas de configuración */
.config-tables-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.config-table h6 {
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 5px;
}

.table {
    width: 100%;
    margin-bottom: 1rem;
    color: var(--text-primary);
    border-collapse: collapse;
}

.table th,
.table td {
    padding: 8px;
    border-bottom: 1px solid var(--border-color);
}

/* Mejoras estéticas adicionales */
.table-hover tbody tr:hover {
    background-color: var(--color-background-hover);
}

.data-table-card .card-header {
    position: sticky;
    top: 0;
    z-index: 6;
    backdrop-filter: blur(4px);
    background: var(--header-bg);
}

.table th {
    text-align: left;
    font-weight: 600;
    background-color: var(--header-bg);
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: var(--stripe-bg, rgba(0,0,0,0.05));
}

.table-sm th,
.table-sm td {
    padding: 5px;
    font-size: 0.875rem;
}

/* Severidades en tabla */
.severity-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 3px 8px;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
}
.severity-dot { width: 8px; height: 8px; border-radius: 50%; }
.severity-normal { color: var(--color-success); background: rgba(46, 204, 113, 0.12); }
.severity-normal .severity-dot { background: var(--color-success); }
.severity-warning { color: var(--color-warning); background: rgba(243, 156, 18, 0.12); }
.severity-warning .severity-dot { background: var(--color-warning); }
.severity-critical { color: var(--color-danger); background: rgba(231, 76, 60, 0.12); }
.severity-critical .severity-dot { background: var(--color-danger); }

.table-responsive {
    display: block;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* ------------------------------
   BOTONES E ÍCONOS
   ------------------------------ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background-color: var(--color-background-hover);
    color: var(--color-text);
    border: none;
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
    text-align: center;
}

.btn:hover {
    background-color: var(--color-background-active);
    transform: translateY(-1px);
    box-shadow: var(--focus-ring);
}

.btn-primary {
    background-color: var(--color-primary);
    color: white;
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
}

.btn-outline-secondary {
    background-color: transparent;
    border: 1px solid var(--color-border);
}

.btn-outline-secondary:hover {
    background-color: var(--color-background-hover);
}

.btn-block {
    width: 100%;
}

/* ------------------------------
   SIDEBAR Y NAVEGACIÓN
   ------------------------------ */
.sidebar {
    width: 250px;
    background-color: var(--color-background-light);
    display: flex;
    flex-direction: column;
    transition: width var(--transition-base);
    z-index: 100;
    border-right: 1px solid var(--color-border);
    transition: width var(--transition-base), background-color var(--transition-base), border-color var(--transition-base), color var(--transition-base);
}

.sidebar-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.logo-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-icon {
    font-size: 1.5rem;
    color: var(--color-primary);
}

.logo-text {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text);
}

.sidebar-menu {
    flex: 1;
    padding: var(--spacing-md) 0;
    overflow-y: auto;
}

.nav {
    list-style: none;
}

.nav-item {
    margin-bottom: var(--spacing-xs);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-lg);
    color: var(--color-text-secondary);
    transition: all var(--transition-base);
}

.nav-link:hover {
    color: var(--color-text);
    background-color: var(--color-background-hover);
}

.nav-link.active {
    color: var(--color-text);
    background-color: var(--color-primary);
}

.nav-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    font-size: var(--font-size-md);
}

.sidebar-footer {
    padding: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.system-status {
    margin-bottom: var(--spacing-md);
}

.status-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-secondary);
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--color-danger);
}

.status-dot.connected {
    background-color: var(--color-success);
}

.status-text {
    font-size: var(--font-size-sm);
    color: var(--color-text);
}

.status-message {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--color-background);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin: 0;
}

/* Estilo para el bloque de monitoreo en el sidebar */
.monitoring-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm) 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.monitoring-status .status-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--color-danger);
    margin-bottom: 0;
}

.monitoring-status .status-indicator.active {
    background-color: var(--color-success);
}

/* Estilos para las acciones del sidebar */
.sidebar-actions {
    margin-top: var(--spacing-md);
}

.sidebar-action-item {
    margin-bottom: 0;
}

.sidebar-action-item:last-child {
    margin-bottom: 0;
}

/* ------------------------------
   ELEMENTOS DE ALERTA
   ------------------------------ */
/* Contenedor de alertas horizontales */
.alert-cards-grid {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    gap: var(--spacing-md);
    width: 100%;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.alert-card-wrapper {
    flex: 1;
    min-width: 220px;
}

.alert-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--color-background-light);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.alert-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.alert-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--color-background-hover);
    font-size: var(--font-size-lg);
}

.alert-card.level-1 .alert-icon {
    color: var(--color-level1);
}

.alert-card.level-2 .alert-icon {
    color: var(--color-level2);
}

.alert-card.level-3 .alert-icon {
    color: var(--color-level3);
}

.alert-card.total .alert-icon {
    color: var(--color-info);
}

.alert-info {
    flex: 1;
}

.alert-count {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin: 0;
}

.alert-label {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    margin: 0;
}

@media (max-width: 768px) {
    .alert-cards-grid {
        flex-direction: column;
    }
    
    .alert-card-wrapper {
        width: 100%;
    }
}

/* ------------------------------
   UTILIDADES
   ------------------------------ */
.text-muted {
    color: var(--color-text-muted);
}

.text-accent {
    color: var(--color-accent);
}

.mr-1 { margin-right: 0.25rem; }
.mr-2 { margin-right: 0.5rem; }
.mr-3 { margin-right: 1rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 2rem; }

.d-none { display: none !important; }
.d-block { display: block !important; }
.d-flex { display: flex !important; }

.align-items-center { align-items: center !important; }
.justify-content-between { justify-content: space-between !important; }

/* ------------------------------
   ANIMACIONES
   ------------------------------ */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { 
        opacity: 0;
        transform: translateY(20px);
    }
    to { 
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeIn var(--transition-base) forwards;
}

.animate-slide-up {
    animation: slideUp var(--transition-base) forwards;
}

/* Micro-animaciones al entrar en viewport */
.reveal { opacity: 0; transform: translateY(8px); transition: opacity 0.4s ease, transform 0.4s ease; }
.reveal.in-view { opacity: 1; transform: translateY(0); }

/* Skeleton loading (shimmer) */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
.skeleton {
  background: linear-gradient(90deg, var(--color-background-hover) 25%, var(--color-background-active) 37%, var(--color-background-hover) 63%);
  background-size: 400% 100%;
  animation: shimmer 1.4s ease infinite;
  border-radius: 4px;
}
.skeleton-text { height: 12px; }
.skeleton-row td { padding: 8px; }

/* ------------------------------
   MEDIA QUERIES
   ------------------------------ */
@media (max-width: 768px) {
    .sidebar {
        width: 200px;
    }
    
    .nav-link {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .card-header {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .card-body {
        padding: var(--spacing-sm) var(--spacing-md);
    }
}

/* Prevenir múltiples scrolls */
body, .app-container, .content, .dashboard-grid {
    overflow-y: auto !important;
    overflow-x: hidden;
}

body::-webkit-scrollbar,
.app-container::-webkit-scrollbar,
.content::-webkit-scrollbar,
.dashboard-grid::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

body::-webkit-scrollbar-track,
.app-container::-webkit-scrollbar-track,
.content::-webkit-scrollbar-track,
.dashboard-grid::-webkit-scrollbar-track {
    background: var(--color-background);
}

body::-webkit-scrollbar-thumb,
.app-container::-webkit-scrollbar-thumb,
.content::-webkit-scrollbar-thumb,
.dashboard-grid::-webkit-scrollbar-thumb {
    background-color: var(--color-border);
    border-radius: 4px;
}

/* Estilos para efectos de navegación */
.nav-link.navigating {
    animation: linkPulse 0.5s ease;
}

@keyframes linkPulse {
    0% { background-color: var(--color-primary); }
    50% { background-color: var(--color-primary-hover); }
    100% { background-color: var(--color-primary); }
}

.main-content.loading {
    position: relative;
    pointer-events: none;
}

.main-content.loading::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    animation: loadingProgress 0.3s ease-in-out;
    z-index: 1000;
}

@keyframes loadingProgress {
    0% { width: 0; opacity: 1; }
    100% { width: 100%; opacity: 0.7; }
}

/* Estilos para estados de configuración */
.warning-message {
    color: var(--color-warning);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-left: 3px solid var(--color-warning);
    background-color: rgba(243, 156, 18, 0.1);
    border-radius: var(--border-radius-sm);
}

.configuration-warning {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm);
    font-size: var(--font-size-xs);
    color: var(--color-warning);
    background-color: rgba(243, 156, 18, 0.1);
    border-radius: var(--border-radius-sm);
    border-left: 3px solid var(--color-warning);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

/* Estilos para el toast container */
.toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 350px;
}

.toast {
    background-color: var(--color-background-light);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transform: translateX(100%);
    opacity: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.toast.show {
    transform: translateX(0);
    opacity: 1;
}

.toast-header {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    background-color: var(--color-background);
}

.toast-header i {
    margin-right: var(--spacing-sm);
}

.toast-header span {
    flex: 1;
    font-weight: 600;
}

.toast-close {
    background: none;
    border: none;
    color: var(--color-text-secondary);
    cursor: pointer;
}

.toast-body {
    padding: var(--spacing-md);
    color: var(--color-text);
}

.toast.info {
    border-left: 4px solid var(--color-info);
}

.toast.success {
    border-left: 4px solid var(--color-success);
}

.toast.warning {
    border-left: 4px solid var(--color-warning);
}

.toast.error {
    border-left: 4px solid var(--color-danger);
}

/* Estilos para toggles de ejes */
.toggle-container {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 8px;
}

.toggle-item {
    display: flex;
    align-items: center;
    margin-right: 15px;
}

.axis-toggle {
    margin-right: 5px;
    cursor: pointer;
}

.axis-label {
    font-weight: 500;
    cursor: pointer;
    padding: 3px 8px;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.axis-label.x-axis {
    color: rgba(75, 192, 192, 1);
    background-color: rgba(75, 192, 192, 0.1);
}

.axis-label.y-axis {
    color: rgba(255, 159, 64, 1);
    background-color: rgba(255, 159, 64, 0.1);
}

.axis-label.z-axis {
    color: rgba(255, 99, 132, 1);
    background-color: rgba(255, 99, 132, 0.1);
}

.axis-toggle:not(:checked) + .axis-label {
    opacity: 0.5;
    text-decoration: line-through;
}

/* Estilos para las tablas de datos en tiempo real */
.table-actions {
    display: flex;
    gap: 5px;
}

.table-actions button {
    padding: 4px 8px;
    font-size: 0.8rem;
}

.btn-sm {
    padding: 4px 8px;
    font-size: 0.85rem;
}

.action-btn-edit {
    background-color: var(--color-info);
    color: white;
    border: none;
    border-radius: var(--border-radius-sm);
}

.action-btn-edit:hover {
    background-color: #2980b9;
}

.action-btn-delete {
    background-color: var(--color-danger);
    color: white;
    border: none;
    border-radius: var(--border-radius-sm);
}

.action-btn-delete:hover {
    background-color: #c0392b;
}

/* Modal de edición/creación */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background-color: var(--color-background-light);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    transition: transform 0.3s ease;
    transform: translateY(-20px);
}

.modal-overlay.active .modal-content {
    transform: translateY(0);
}

.modal-header {
    padding: 15px 20px;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h5 {
    margin: 0;
    font-weight: 600;
}

.modal-close {
    background: transparent;
    border: none;
    color: var(--color-text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    line-height: 1;
}

.modal-body {
    padding: 20px;
}

.modal-footer {
    padding: 15px 20px;
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* Estilos para las pestañas de configuración */
.config-nav {
  margin-bottom: 20px;
}

.nav-tabs {
  display: flex;
  list-style: none;
  padding: 0;
  margin: 0;
  border-bottom: 1px solid var(--border-color);
}

.nav-tabs .nav-item {
  margin-bottom: -1px;
}

.nav-tabs .nav-link {
  display: block;
  padding: 12px 16px;
  border: 1px solid transparent;
  border-radius: 4px 4px 0 0;
  text-decoration: none;
  color: var(--text-color);
  font-weight: 500;
  transition: all 0.2s ease;
}

.nav-tabs .nav-link:hover {
  background-color: var(--bg-hover);
  border-color: var(--border-color) var(--border-color) transparent;
}

.nav-tabs .nav-link.active {
  color: var(--accent-color);
  background-color: var(--card-bg);
  border-color: var(--border-color) var(--border-color) var(--card-bg);
}

.nav-tabs .nav-link i {
  margin-right: 8px;
}

/* Contenido de las pestañas */
.config-tab-content {
  display: none;
  animation: fadeIn 0.3s ease-in-out;
}

.config-tab-content.active {
  display: block;
}

.form-buttons {
  display: flex;
  justify-content: space-between;
  gap: 10px;
}

.config-status, .config-last-update {
  display: inline-block;
  margin-right: 16px;
  color: var(--text-muted);
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Mejora en formularios */
form label {
  font-weight: 500;
  margin-bottom: 6px;
  display: block;
}

.form-control:focus {
  border-color: var(--accent-color);
  box-shadow: 0 0 0 0.2rem rgba(var(--accent-color-rgb), 0.25);
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  background-size: 16px;
  padding-right: 40px;
}

/* Responsividad para formularios y tablas */
@media (max-width: 992px) {
  .config-grid {
    grid-template-columns: 1fr;
  }
  
  .nav-tabs {
    flex-wrap: wrap;
  }
  
  .nav-tabs .nav-item {
    flex: 1 1 auto;
    text-align: center;
  }
  
  .nav-tabs .nav-link {
    padding: 10px;
  }
  
  .nav-tabs .nav-link i {
    margin-right: 0;
    display: block;
    margin-bottom: 4px;
  }
}

/* Mejoras para el diseño horizontal */
.filter-group .toggle-container {
    display: flex;
    flex-direction: row;
    gap: var(--spacing-sm);
    align-items: center;
}

/* Mejoras para las tarjetas de gráficos */
.chart-card {
    margin-bottom: var(--spacing-sm);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    overflow: hidden;
}

.chart-card .card-body {
    padding: var(--spacing-md);
}

@media (min-width: 992px) {
    .chart-container {
        height: 280px;
    }
}

/* Estilos adicionales para la barra de estado inferior */
.config-card .card-body.text-center {
  padding: 1rem;
}

.ms-3 {
  margin-left: 1rem;
}

.mb-3 {
  margin-bottom: 1rem;
}

.mb-md-0 {
  margin-bottom: 0;
}

.mx-md-4 {
  margin-left: 1.5rem;
  margin-right: 1.5rem;
}

.gap-2 {
  gap: 0.5rem;
}

@media (max-width: 768px) {
  .card-body.flex-column {
    gap: 1rem;
  }
  
  .config-status, .config-last-update {
    display: block;
    margin-right: 0;
    margin-bottom: 0.5rem;
  }
  
  .config-last-update {
    margin-left: 0 !important;
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Layout específico para la sección de límites */
.limits-layout {
  display: grid;
  grid-template-columns: 1fr 1fr; /* Dos columnas iguales */
  gap: var(--spacing-lg);
}

/* Estilos para las tarjetas dentro del layout de límites */
.config-card-form {
  /* Estilos específicos si son necesarios */
}

.config-card-table {
  /* Estilos específicos si son necesarios */
}

/* Ajuste responsivo para el layout de límites */
@media (max-width: 1200px) {
  .limits-layout {
    grid-template-columns: 1fr; /* Una columna en pantallas más pequeñas */
  }
}

.config-card .card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--header-bg);
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
}

/* Estructura del formulario de límites mejorada */
.form-section {
  margin-bottom: 20px; /* Más espacio entre secciones de ejes */
}

.form-section h6 {
  color: var(--color-primary); /* Color de acento para los títulos de eje */
  margin-bottom: 10px;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 5px;
}

.limit-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr); /* Dos grupos por fila */
  gap: 15px;
}

.limit-input-group {
  display: flex;
  flex-direction: column;
}

.limit-input-group label {
  font-size: 0.85rem; /* Tamaño de fuente más pequeño para etiquetas */
  color: var(--color-text-secondary);
  margin-bottom: 4px;
}

.input-pair {
  display: flex;
  gap: 5px;
}

.input-pair input {
  /* Los inputs ya tienen estilo de .form-control */
}

/* Estilos para la tabla de límites */
.table-limits th {
  background-color: var(--color-background); /* Fondo más oscuro para cabecera */
  color: var(--color-text-secondary);
  font-weight: 600;
  text-align: center;
}

.table-limits td {
  vertical-align: middle;
  font-size: 0.9rem;
  text-align: center;
}

/* Estilos específicos para la tabla de formulario de límites */
.table-limits-form {
  width: 100%;
  border-collapse: separate; /* Separar bordes para rowspan */
  border-spacing: 0 5px; /* Espacio vertical entre filas de ejes */
}

.table-limits-form thead th {
  background-color: var(--color-background);
  color: var(--color-text-secondary);
  font-weight: 600;
  padding: 8px;
  text-align: center;
  border-bottom: 2px solid var(--color-primary);
}

.table-limits-form tbody td {
  padding: 6px 8px;
  vertical-align: middle;
  text-align: center;
}

.table-limits-form .axis-label {
  font-weight: 600;
  font-size: 1.1rem;
  vertical-align: middle; /* Centrar verticalmente */
  border-right: 1px solid var(--color-border);
  width: 40px; /* Ancho fijo para la etiqueta del eje */
}

.table-limits-form .form-control-sm {
    padding: 0.25rem 0.5rem; /* Input más pequeño */
    font-size: 0.875rem;
    border-radius: var(--border-radius-sm);
    background-color: var(--color-background); /* Fondo oscuro para inputs */
    color: var(--color-text);
    border: 1px solid var(--color-border);
    text-align: center;
    max-width: 100px; /* Ancho máximo para inputs */
}

.table-limits-form .form-control-sm:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px var(--color-primary-transparent);
}

.table-limits .axis-x { color: var(--color-success); font-weight: 500; }
.table-limits .axis-y { color: var(--color-warning); font-weight: 500; }
.table-limits .axis-z { color: var(--color-danger); font-weight: 500; }

.table-limits .level-warning { background-color: rgba(243, 156, 18, 0.1); }
.table-limits .level-critical { background-color: rgba(231, 76, 60, 0.1); }

.form-group label {
    display: block;
    margin-bottom: 5px;
    color: var(--text-secondary);
    font-weight: 500;
}
/*TOP BAR*/
.sidebar-footer .logout-button {
    width: 100%;
    text-align: left;
    padding: var(--spacing-sm) var(--spacing-lg);
    background-color: var(--color-background-hover);
    color: var(--color-text-secondary);
    border: none;
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-base);
}
.sidebar-footer .logout-button:hover {
    color: var(--color-text);
    background-color: var(--color-background-active);
}
.top-bar {
    display: none;
}

/* Topbar con botón de tema */
.topbar {
    position: sticky;
    top: 0;
    z-index: 50;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding: 8px 0 16px;
    backdrop-filter: blur(6px);
    background: linear-gradient(to bottom, rgba(0,0,0,0.08), rgba(0,0,0,0));
}
.icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 999px;
    background: var(--color-background-light);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}
.icon-btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-md); background: var(--color-background-hover); }
.icon-btn i { font-size: 16px; }

/* Sombra sutil en tarjetas en tema claro para profundidad */
html[data-theme="light"] .card { box-shadow: 0 6px 14px rgba(31,41,55,0.08); }
html[data-theme="light"] .sidebar { box-shadow: inset -1px 0 0 var(--border-color); }

/* Tema claro: topbar con fondo translúcido claro */
html[data-theme="light"] .topbar {
    background: linear-gradient(to bottom, rgba(255,255,255,0.7), rgba(255,255,255,0));
}

/* Tablas con cabecera sticky */
.table-responsive.sticky-header {
    max-height: 360px;
    overflow: auto;
}
.table-responsive.sticky-header thead th {
    position: sticky;
    top: 0;
    z-index: 5;
    background: var(--header-bg);
    color: var(--text-secondary);
}

/* LOGIN SPLIT SCREEN */
.login-split-container {
    display: flex;
    min-height: 100vh;
    background: var(--color-background);
}
.login-visual {
    flex: 1.2;
    background: var(--color-background-light);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    min-width: 320px;
    box-shadow: 2px 0 8px rgba(0,0,0,0.08);
}
.login-visual-content {
    text-align: center;
    color: var(--color-text);
    padding: 2rem;
}
.login-visual-content h1 {
    font-size: 2.2rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
}
.login-visual-content p {
    color: var(--color-text-secondary);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}
.login-illustration {
    width: 75%;
    max-width: 480px;
    min-width: 180px;
    margin: 0 auto;
    display: block;
    transition: width 0.3s, max-width 0.3s;
}
@media (max-width: 900px) {
    .login-illustration {
        width: 80vw;
        max-width: 95vw;
    }
}
.login-form-panel {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-background);
}
.login-form-box {
    background: var(--color-background-light);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    padding: 2.5rem 2rem;
    min-width: 320px;
    width: 100%;
    max-width: 370px;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}
.login-form-box h2 {
    color: var(--color-primary);
    margin-bottom: 1rem;
    text-align: center;
}
.login-form-box .error {
    color: var(--color-danger);
    background: rgba(231,76,60,0.08);
    border-radius: 4px;
    padding: 0.5rem 1rem;
    margin-bottom: 1rem;
    text-align: center;
    font-size: 1rem;
}
.login-form-box form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.login-form-box .form-control {
    background: var(--color-background);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    padding: 0.75rem 1rem;
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}
.login-form-box .form-control:focus {
    border-color: var(--color-primary);
    outline: none;
}
.login-form-box .btn {
    margin-top: 0.5rem;
}
@media (max-width: 900px) {
    .login-split-container {
        flex-direction: column;
    }
    .login-visual, .login-form-panel {
        flex: unset;
        min-width: 0;
        width: 100%;
        min-height: 240px;
    }
    .login-form-box {
        max-width: 100vw;
    }
}

/* Estilos para el ícono de mostrar/ocultar contraseña */
.password-container {
    position: relative;
    display: inline-block;
    width: 100%;
}

.password-toggle {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    color: #666;
    font-size: 16px;
    user-select: none;
}

.password-toggle:hover {
    color: #333;
}

/* Estilos para mensajes de alerta */
.error {
    color: var(--color-danger, #e74c3c); /* Rojo para errores */
    background-color: rgba(231, 76, 60, 0.1); /* Fondo rojo claro translúcido */
    border: 1px solid var(--color-danger, #e74c3c);
    padding: var(--spacing-sm, 0.5rem) var(--spacing-md, 1rem);
    margin-bottom: var(--spacing-md, 1rem);
    border-radius: var(--border-radius-sm, 4px);
    text-align: center;
}

.success {
    color: var(--color-success, #2ecc71); /* Verde para éxitos */
    background-color: rgba(46, 204, 113, 0.1); /* Fondo verde claro translúcido */
    border: 1px solid var(--color-success, #2ecc71);
    padding: var(--spacing-sm, 0.5rem) var(--spacing-md, 1rem);
    margin-bottom: var(--spacing-md, 1rem);
    border-radius: var(--border-radius-sm, 4px);
    text-align: center;
}