:root {
    /* Paleta Gris/Blanco/Negro */
    --bg-primary: #ffffff;
    --bg-secondary: #e9ecef;
    --bg-tertiary: #d6d8db;
    --bg-content: #f1f3f4;
    --text-primary: #000000;
    --text-secondary: #343a40;
    --text-muted: #495057;
    --border-color: #ced4da;
    --border-light: #e9ecef;
    --card-shadow: 0 1px 6px rgba(0, 0, 0, 0.08);
    --hover-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
    --filter-bg: #e9ecef;
    --notification-bg: #f8f9fa;
    --accent-dark: #212529;
    --accent-light: #495057;

    /* Colores de Prioridad (solo para indicadores) */
    --priority-critica: #dc3545;
    --priority-alta: #fd7e14;
    --priority-media: #ffc107;
    --priority-baja: #28a745;

    /* Colores para notificaciones por tiempo */
    --notification-red: #dc3545;
    --notification-orange: #fd7e14;
    --notification-yellow: #ffc107;
    --notification-green: #28a745;

    /* Color para tiempo crítico */
    --time-critical: #dc3545;
}

body {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%) !important;
    color: var(--text-primary) !important;
    transition: all 0.3s ease;
    min-height: 100vh;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.container-fluid, .container {
    max-width: 100%;
    margin: 0 auto;
    padding: 8px;
}

/* Header Mejorado - Compacto para modal */
.dashboard-header {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    border-radius: 12px;
    padding: 12px;
    margin-bottom: 16px;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-light);
    position: relative;
    overflow: hidden;
}

.dashboard-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-dark), var(--priority-critica));
    opacity: 0.7;
}

.dashboard-title {
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.25rem;
    margin: 0;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
    letter-spacing: -0.25px;
}

.dashboard-subtitle {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-top: 4px;
}

/* Cards Modernos - Más compactos */
.card {
    background-color: var(--bg-primary) !important;
    border: 1px solid var(--border-light) !important;
    color: var(--text-primary) !important;
    border-radius: 12px !important;
    backdrop-filter: blur(5px);
    box-shadow: var(--card-shadow);
    transition: all 0.3s ease;
    margin-bottom: 12px;
    overflow: hidden;
}

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

/* Headers Negros Unificados - Compactos */
.header-negro {
    background: linear-gradient(135deg, #212529 0%, #343a40 100%);
    color: white;
    padding: 8px 12px;
    text-align: left;
    font-weight: 600;
    font-size: 0.875rem;
    position: relative;
    flex-shrink: 0;
    margin: -1px -1px 0 -1px;
    border-radius: 11px 11px 0 0;
}

.card-body {
    padding: 12px;
    background: var(--bg-content) !important;
}

.section-title {
    font-size: 14px;
    font-weight: 600;
    color: white;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 6px;
}

.icon-simple {
    color: white;
    font-size: 16px;
}

/* Formularios - Más compactos */
.form-label {
    font-weight: 600 !important;
    color: var(--text-primary) !important;
    margin-bottom: 6px;
    font-size: 0.8rem;
    letter-spacing: 0.1px;
}

.form-control,
.form-select {
    background-color: var(--bg-primary) !important;
    border: 1px solid var(--border-color) !important;
    color: var(--text-primary) !important;
    border-radius: 6px !important;
    padding: 6px 10px !important;
    font-weight: 500 !important;
    transition: all 0.3s ease;
    box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.05);
    font-size: 0.875rem;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--accent-dark) !important;
    box-shadow: 0 0 0 0.1rem rgba(33, 37, 41, 0.25) !important;
    background-color: var(--bg-primary) !important;
}

.form-control:read-only {
    background-color: var(--bg-secondary) !important;
    color: var(--text-muted) !important;
    cursor: not-allowed;
    border-color: var(--border-light) !important;
}

/* Botones - Compactos */
.btn {
    border-radius: 6px !important;
    font-weight: 600 !important;
    padding: 6px 12px !important;
    font-size: 0.8rem !important;
    border: 1px solid !important;
    transition: all 0.3s ease !important;
    letter-spacing: 0.1px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-dark) 0%, var(--accent-light) 100%) !important;
    border-color: var(--accent-dark) !important;
    color: white !important;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #000000 0%, var(--accent-dark) 100%) !important;
    border-color: #000000 !important;
    transform: translateY(-1px) scale(1.01) !important;
    box-shadow: var(--hover-shadow) !important;
}

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

.btn-secondary:hover {
    background-color: var(--bg-secondary) !important;
    border-color: var(--accent-dark) !important;
    color: var(--text-primary) !important;
    transform: translateY(-1px) !important;
}

.btn-danger {
    background-color: var(--priority-critica) !important;
    border-color: var(--priority-critica) !important;
    color: white !important;
    padding: 4px 8px !important;
    font-size: 0.75rem !important;
    font-weight: 600 !important;
    box-shadow: 0 1px 2px rgba(220, 53, 69, 0.3);
}

.btn-danger:hover {
    background-color: #c82333 !important;
    border-color: #bd2130 !important;
    transform: translateY(-1px) !important;
    box-shadow: 0 2px 4px rgba(220, 53, 69, 0.3) !important;
}

/* Tablas - Compactas */
.table {
    border: 1px solid var(--border-light) !important;
    border-radius: 6px !important;
    overflow: hidden;
    margin-bottom: 0;
    background: var(--bg-primary) !important;
    font-size: 0.8rem;
}

.table thead th {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%) !important;
    border: none !important;
    border-bottom: 1px solid var(--border-color) !important;
    font-weight: 700 !important;
    color: var(--text-primary) !important;
    font-size: 0.7rem !important;
    text-transform: uppercase !important;
    letter-spacing: 0.3px !important;
    padding: 8px 4px !important;
}

.table tbody td {
    border-color: var(--border-light) !important;
    padding: 8px 4px !important;
    font-size: 0.75rem !important;
    vertical-align: middle !important;
    font-weight: 500 !important;
}

.table tbody tr:nth-child(odd) {
    background-color: rgba(0, 0, 0, 0.01) !important;
}

.table tbody tr:hover {
    background-color: rgba(0, 0, 0, 0.03) !important;
    transform: scale(1.005);
    transition: all 0.2s ease;
}

.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: 6px;
}

/* Badges - Compactos */
.badge-simple {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%) !important;
    color: var(--text-primary) !important;
    padding: 4px 8px !important;
    border-radius: 12px !important;
    font-size: 0.7rem !important;
    font-weight: 700 !important;
    border: 1px solid var(--border-color) !important;
    display: inline-block !important;
    min-width: 60px !important;
    text-align: center !important;
    text-transform: uppercase !important;
    letter-spacing: 0.3px !important;
}

.badge-outline {
    background-color: var(--bg-primary) !important;
    border: 1px solid var(--accent-dark) !important;
    color: var(--accent-dark) !important;
    padding: 4px 8px !important;
    border-radius: 12px !important;
    font-size: 0.7rem !important;
    font-weight: 700 !important;
    display: inline-block !important;
    min-width: 60px !important;
    text-align: center !important;
    text-transform: uppercase !important;
    letter-spacing: 0.3px !important;
}

/* Estado vacío - Compacto */
.empty-state {
    text-align: center !important;
    padding: 16px 8px !important;
    color: var(--text-muted) !important;
    font-size: 0.8rem !important;
    font-weight: 500 !important;
    font-style: italic !important;
    background: var(--bg-primary) !important;
    border-radius: 6px !important;
    border: 1px dashed var(--border-color) !important;
}

/* Anchos de columnas específicos - Ajustados para compacto */
#tabla-alarmas th:nth-child(1),
#tabla-alarmas td:nth-child(1) {
    width: 20%;
}

#tabla-alarmas th:nth-child(2),
#tabla-alarmas td:nth-child(2),
#tabla-alarmas th:nth-child(3),
#tabla-alarmas td:nth-child(3),
#tabla-alarmas th:nth-child(4),
#tabla-alarmas td:nth-child(4),
#tabla-alarmas th:nth-child(5),
#tabla-alarmas td:nth-child(5) {
    width: 15%;
}

#tabla-alarmas th:nth-child(6),
#tabla-alarmas td:nth-child(6) {
    width: 15%;
    text-align: center;
}

#tabla-personal th:nth-child(1),
#tabla-personal td:nth-child(1) {
    width: 18%;
}

#tabla-personal th:nth-child(2),
#tabla-personal td:nth-child(2) {
    width: 22%;
}

#tabla-personal th:nth-child(3),
#tabla-personal td:nth-child(3) {
    width: 12%;
}

#tabla-personal th:nth-child(4),
#tabla-personal td:nth-child(4) {
    width: 12%;
}

#tabla-personal th:nth-child(5),
#tabla-personal td:nth-child(5) {
    width: 26%;
}

/* Scrollbar personalizado - Más delgado */
.table-responsive::-webkit-scrollbar {
    height: 4px;
}

.table-responsive::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: 6px;
}

.table-responsive::-webkit-scrollbar-thumb {
    background: var(--text-muted);
    border-radius: 6px;
}

.table-responsive::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* Responsive - Enfocado en modal (pequeñas pantallas) */
@media (max-width: 768px) {
    .dashboard-title {
        font-size: 1.1rem;
    }

    .card-body {
        padding: 8px;
    }

    .btn {
        padding: 4px 8px !important;
    }

    .container-fluid, .container {
        padding: 4px;
    }

    .row {
        margin: -4px;
    }

    .row > * {
        padding: 4px;
    }

    .header-negro {
        padding: 6px 8px;
    }

    .section-title {
        font-size: 12px;
    }
}

/* Animaciones - Más rápidas y sutiles */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card {
    animation: fadeIn 0.3s ease;
}

/* Mejoras adicionales - Compactas */
.pe-lg-3 {
    padding-right: 0.75rem !important;
}

.g-3 > * {
    margin-bottom: 0.5rem;
}

.g-4 > * {
    margin-bottom: 0.75rem;
}

/* Efectos especiales para inputs - Sutiles */
.form-control:hover:not(:read-only),
.form-select:hover {
    border-color: var(--accent-light) !important;
    transform: translateY(-0.5px);
}

/* Mejora visual para las filas de tabla */
.table tbody tr {
    transition: all 0.15s ease;
}

/* Estilo para el header de selección - Compacto */
.selection-header {
    background: var(--bg-content) !important;
    border-radius: 8px;
    padding: 12px;
    margin-bottom: 12px;
    border: 1px solid var(--border-light);
    box-shadow: var(--card-shadow);
}

/* Estilos para inputs en tablas - Muy compactos */
.form-control-sm {
    font-size: 0.7rem !important;
    padding: 3px 6px !important;
    border-radius: 4px !important;
    border: 1px solid var(--border-color) !important;
    background-color: var(--bg-primary) !important;
    font-weight: 500 !important;
}

.form-control-sm:focus {
    border-color: var(--accent-dark) !important;
    box-shadow: 0 0 0 0.05rem rgba(33, 37, 41, 0.25) !important;
}

/* Ajustar ancho de la columna de acciones en tabla personal */
#tabla-personal th:nth-child(6),
#tabla-personal td:nth-child(6) {
    width: 10%;
    text-align: center;
}

/* Estilos específicos para modal */
.modal-body {
    max-height: none;
    overflow: visible;
    padding: 0.5rem;
}

.modal-dialog {
    max-width: 95vw;
    margin: 0.5rem;
}

.modal-content {
    border-radius: 12px;
}