/* ============================================================
 * modern-2026.css — Overlay de modernización visual
 *
 * Se carga DESPUÉS de Bootstrap y CSS propios. Su objetivo es darle
 * un look minimalista 2026 sin tocar HTML ni lógica.
 * Para revertir: quitar la línea <link href="assets/css/modern-2026.css">
 * ============================================================ */

:root {
    --u-bg:           #f6f8fa;
    --u-surface:      #ffffff;
    --u-border:       #e5e7eb;
    --u-border-soft:  #f0f1f4;
    --u-text:         #1f2937;
    --u-text-muted:   #6b7280;
    --u-primary:      #f8b212;
    --u-primary-dark: #d99700;
    --u-accent:       #11405e;
    --u-accent-hover: #163e5a;
    --u-success:      #10b981;
    --u-danger:       #ef4444;
    --u-shadow-sm:    0 1px 2px rgba(15,23,42,.04);
    --u-shadow:       0 1px 3px rgba(15,23,42,.06), 0 1px 2px rgba(15,23,42,.04);
    --u-shadow-lg:    0 10px 25px -8px rgba(15,23,42,.12);
    --u-radius:       10px;
    --u-radius-sm:    6px;
    --u-radius-lg:    14px;
}

/* --------- Tipografía global --------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

html, body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, system-ui, sans-serif !important;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background: var(--u-bg) !important;
    color: var(--u-text) !important;
    letter-spacing: -0.005em;
}

h1, h2, h3, h4, h5 {
    font-weight: 600 !important;
    letter-spacing: -0.02em;
    color: var(--u-accent) !important;
}

/* --------- Header / Hero --------- */
/* Quitar la imagen pesada del cielo, dejar gradiente limpio */
body > div[style*="pexels-photoscom"],
body > div[style*="background: url"] {
    background-image: none !important;
    background: linear-gradient(180deg, #ffffff 0%, #f0f4f8 100%) !important;
    border-bottom: 1px solid var(--u-border-soft);
    padding: 8px 0 16px !important;
}

.navbar.navbar-dark,
.navbar.navigation-clean-search {
    background: transparent !important;
    padding: 12px 0 !important;
}

.navbar img {
    max-height: 48px !important;
    width: auto !important;
}

/* Título principal "LISTADO UNIDADES" */
body h2[style*="text-align: center"] {
    font-size: 1.4rem !important;
    color: var(--u-accent) !important;
    margin: 4px 0 12px !important;
    font-weight: 700 !important;
    letter-spacing: -0.02em;
}

/* --------- Contenedor principal de tabs/contenido --------- */
body > div[style*="background: #ffffff; border-radius: 15px"] {
    background: transparent !important;
    border-radius: 0 !important;
    padding: 0 16px 24px !important;
    max-width: 1400px;
    margin: 0 auto;
}

/* --------- Tabs como pills modernos --------- */
.nav-tabs {
    border: 0 !important;
    gap: 4px;
    padding: 6px;
    background: var(--u-surface);
    border-radius: var(--u-radius);
    box-shadow: var(--u-shadow);
    flex-wrap: wrap;
    margin-bottom: 16px;
    list-style: none;
    display: flex;
}

.nav-tabs li {
    list-style: none;
}

.nav-tabs .nav-link,
.nav-tabs li > a.nav-link,
.nav-tabs li > a[href^="#tab-"] {
    color: var(--u-text-muted) !important;
    background: transparent !important;
    border: 0 !important;
    border-radius: 7px !important;
    padding: 8px 14px !important;
    font-weight: 500 !important;
    font-size: 0.85rem !important;
    transition: background 0.15s ease, color 0.15s ease;
    text-decoration: none !important;
}

.nav-tabs .nav-link:hover,
.nav-tabs li > a.nav-link:hover {
    background: var(--u-bg) !important;
    color: var(--u-accent) !important;
}

.nav-tabs .nav-link.active,
.nav-tabs li.active > a.nav-link,
.nav-tabs li > a.nav-link.active {
    background: var(--u-accent) !important;
    color: #ffffff !important;
    box-shadow: var(--u-shadow-sm);
}

/* --------- Tab content (panel debajo) --------- */
.tab-content {
    background: var(--u-surface);
    border-radius: var(--u-radius);
    box-shadow: var(--u-shadow);
    padding: 20px !important;
}

.tab-pane {
    margin: 0 !important;
}

/* --------- DataTables --------- */
table.dataTable,
table.table {
    border-collapse: separate !important;
    border-spacing: 0 !important;
    border: 1px solid var(--u-border) !important;
    border-radius: var(--u-radius) !important;
    overflow: hidden;
    width: 100% !important;
    font-size: 0.875rem;
}

table.dataTable thead th,
table.table thead th {
    background: #f9fafb !important;
    color: var(--u-text-muted) !important;
    border-bottom: 1px solid var(--u-border) !important;
    font-weight: 600 !important;
    font-size: 0.72rem !important;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 12px 10px !important;
    white-space: nowrap;
}

table.dataTable tbody td,
table.table tbody td {
    padding: 10px !important;
    border-top: 1px solid var(--u-border-soft) !important;
    color: var(--u-text);
    vertical-align: middle;
}

table.dataTable tbody tr:hover td {
    background: #f6f8fb !important;
}

table.dataTable tbody tr.dtr-expanded td,
table.dataTable tbody tr.shown td {
    background: #eef4f9 !important;
}

/* Child rows del Responsive plugin — layout mejorado */
table.dataTable tr.child td.child {
    padding: 20px !important;
    background: #fafbfc !important;
}

/* Container — flex wrap: data rows full-width, action rows auto-width */
ul.dtr-details {
    display: flex !important;
    flex-wrap: wrap;
    align-items: flex-start;
    padding: 0 !important;
    margin: 0 !important;
    list-style: none !important;
    gap: 0;
}

/* Default li = data row: full-width, label + value */
ul.dtr-details > li,
ul.dtr-details > li.dtr-data-li {
    flex: 0 0 100%;
    display: flex !important;
    align-items: center;
    gap: 14px;
    padding: 9px 0 !important;
    border-bottom: 1px solid var(--u-border-soft) !important;
    border-top: 0 !important;
    list-style: none !important;
    margin: 0 !important;
}

/* Label */
ul.dtr-details > li > span.dtr-title {
    font-weight: 500 !important;
    color: var(--u-text-muted) !important;
    font-size: 0.78rem !important;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    min-width: 200px;
    max-width: 240px;
    flex-shrink: 0;
}

/* Action rows — clasificadas por JS con .dtr-action-li */
ul.dtr-details > li.dtr-action-li {
    flex: 0 0 auto !important;
    width: auto !important;
    padding: 0 !important;
    margin: 0 8px 0 0 !important;
    border: 0 !important;
    display: inline-flex !important;
    align-items: center;
}

ul.dtr-details > li.dtr-action-li > span.dtr-title {
    display: none !important;
}

/* La primera acción tras los datos: separador horizontal completo */
ul.dtr-details > li.dtr-data-li + li.dtr-action-li {
    margin-top: 16px !important;
    padding-top: 16px !important;
    border-top: 1px solid var(--u-border) !important;
    flex-basis: 100% !important;
    justify-content: flex-start;
}

/* La primera acción full-width contiene UN botón; los demás (auto) se ponen al lado */
ul.dtr-details > li.dtr-action-li ~ li.dtr-action-li {
    flex-basis: auto !important;
    margin-top: 16px !important;
    padding-top: 16px !important;
    border-top: 1px solid var(--u-border) !important;
}

/* No duplicar el border-top: solo el primero lo tiene */
ul.dtr-details > li.dtr-action-li + li.dtr-action-li {
    margin-top: 0 !important;
    padding-top: 0 !important;
    border-top: 0 !important;
}

/* Botones dentro de la fila expandida: estética uniforme */
table.dataTable tr.child .btn {
    padding: 6px 14px !important;
    font-size: 0.82rem !important;
    border-radius: 6px !important;
    margin: 0 !important;
}

/* Indicador de fila expandida — borde lateral accent */
table.dataTable tbody tr.dtr-expanded > td:first-child,
table.dataTable tbody tr.shown > td:first-child {
    border-left: 3px solid var(--u-accent) !important;
}

/* Sticky header en tablas — el thead se queda visible al hacer scroll */
table.dataTable thead {
    position: sticky;
    top: 0;
    z-index: 5;
}

table.dataTable thead th {
    background: #f9fafb !important;
}

/* Densidad y mejora del control de expand */
table.dataTable tbody td {
    line-height: 1.4;
}

table.dataTable tbody td.dtr-control {
    cursor: pointer;
    color: var(--u-text-muted);
    transition: color 0.15s ease;
}

table.dataTable tbody td.dtr-control:hover,
table.dataTable tbody tr.dtr-expanded td.dtr-control,
table.dataTable tbody tr.shown td.dtr-control {
    color: var(--u-accent);
}

/* --------- Paginación / Filtro / Length DataTables --------- */
.dataTables_wrapper .dataTables_filter input,
.dataTables_wrapper .dataTables_length select {
    border: 1px solid var(--u-border) !important;
    border-radius: var(--u-radius-sm) !important;
    padding: 6px 10px !important;
    background: var(--u-surface) !important;
    color: var(--u-text);
    font-size: 0.875rem;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.dataTables_wrapper .dataTables_filter input:focus,
.dataTables_wrapper .dataTables_length select:focus {
    outline: 0;
    border-color: var(--u-accent) !important;
    box-shadow: 0 0 0 3px rgba(17, 64, 94, 0.1) !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button {
    border: 1px solid var(--u-border) !important;
    border-radius: var(--u-radius-sm) !important;
    background: var(--u-surface) !important;
    color: var(--u-text) !important;
    margin: 0 2px !important;
    padding: 6px 12px !important;
    font-size: 0.85rem;
    transition: all 0.15s ease;
}

.dataTables_wrapper .dataTables_paginate .paginate_button:hover {
    background: var(--u-bg) !important;
    border-color: var(--u-accent) !important;
    color: var(--u-accent) !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button.current,
.dataTables_wrapper .dataTables_paginate .paginate_button.current:hover {
    background: var(--u-accent) !important;
    color: #fff !important;
    border-color: var(--u-accent) !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button.disabled,
.dataTables_wrapper .dataTables_paginate .paginate_button.disabled:hover {
    color: var(--u-text-muted) !important;
    background: var(--u-bg) !important;
    cursor: not-allowed;
    opacity: 0.6;
}

.dataTables_wrapper .dataTables_info,
.dataTables_wrapper .dataTables_length label,
.dataTables_wrapper .dataTables_filter label {
    color: var(--u-text-muted);
    font-size: 0.85rem;
}

/* --------- SearchPanes plugin --------- */
.dtsp-panesContainer {
    background: var(--u-surface) !important;
    border: 1px solid var(--u-border) !important;
    border-radius: var(--u-radius) !important;
    margin-top: 12px !important;
    padding: 12px !important;
    box-shadow: var(--u-shadow);
}

div.dtsp-searchPane {
    border: 1px solid var(--u-border-soft) !important;
    border-radius: var(--u-radius-sm) !important;
}

/* --------- Botones --------- */
.btn {
    border-radius: var(--u-radius-sm) !important;
    font-weight: 500 !important;
    padding: 8px 16px !important;
    box-shadow: none !important;
    transition: filter 0.15s ease, transform 0.05s ease, background 0.15s ease;
    border-width: 1px !important;
    font-size: 0.875rem;
}

.btn:active {
    transform: translateY(1px);
}

.btn-primary {
    background: var(--u-accent) !important;
    border-color: var(--u-accent) !important;
    color: #fff !important;
}

.btn-primary:hover {
    background: var(--u-accent-hover) !important;
    border-color: var(--u-accent-hover) !important;
    filter: brightness(1.05);
}

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

.btn-secondary:hover {
    background: var(--u-bg) !important;
    color: var(--u-accent) !important;
    border-color: var(--u-accent) !important;
}

.btn-danger {
    background: var(--u-danger) !important;
    border-color: var(--u-danger) !important;
}

.btn-danger:hover {
    filter: brightness(1.05);
}

.btn-success {
    background: var(--u-success) !important;
    border-color: var(--u-success) !important;
}

/* Botón "Mostrar Filtro" especial */
#show_hide {
    margin: 8px 0 12px;
}

/* DataTables Buttons (Exportar/Print) */
.dt-buttons .dt-button {
    background: var(--u-surface) !important;
    color: var(--u-text) !important;
    border: 1px solid var(--u-border) !important;
    border-radius: var(--u-radius-sm) !important;
    padding: 6px 12px !important;
    font-weight: 500;
    font-size: 0.85rem;
    box-shadow: none !important;
    margin-right: 6px;
}

.dt-buttons .dt-button:hover {
    background: var(--u-bg) !important;
    border-color: var(--u-accent) !important;
    color: var(--u-accent) !important;
}

/* --------- Modales --------- */
.modal-content {
    border: 0 !important;
    border-radius: var(--u-radius-lg) !important;
    box-shadow: var(--u-shadow-lg) !important;
    overflow: hidden;
}

.modal-header {
    background: var(--u-surface) !important;
    border-bottom: 1px solid var(--u-border-soft) !important;
    padding: 16px 20px !important;
}

.modal-title {
    font-weight: 600 !important;
    color: var(--u-accent) !important;
}

.modal-body {
    padding: 20px !important;
}

.modal-footer {
    background: var(--u-bg) !important;
    border-top: 1px solid var(--u-border-soft) !important;
    padding: 14px 20px !important;
}

.btn-close {
    opacity: 0.5;
    transition: opacity 0.15s;
}

.btn-close:hover {
    opacity: 1;
}

/* --------- Forms --------- */
.form-control,
.form-select,
input.form-control,
select.form-control,
textarea.form-control {
    border: 1px solid var(--u-border) !important;
    border-radius: var(--u-radius-sm) !important;
    background: var(--u-surface) !important;
    color: var(--u-text) !important;
    padding: 8px 12px !important;
    font-size: 0.875rem;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
    box-shadow: none !important;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--u-accent) !important;
    box-shadow: 0 0 0 3px rgba(17, 64, 94, 0.1) !important;
    outline: 0;
}

.form-control:disabled,
.form-control[disabled],
.form-control[readonly] {
    background: var(--u-bg) !important;
    color: var(--u-text-muted);
    opacity: 0.85;
}

.form-label,
label {
    font-weight: 500;
    color: var(--u-text);
    font-size: 0.85rem;
    margin-bottom: 6px !important;
}

/* --------- Cards / Containers --------- */
.card {
    border: 1px solid var(--u-border) !important;
    border-radius: var(--u-radius) !important;
    box-shadow: var(--u-shadow) !important;
}

.card-header {
    background: var(--u-surface) !important;
    border-bottom: 1px solid var(--u-border-soft) !important;
    font-weight: 600;
}

/* --------- Iconos circulares de unidad detail (perfil) --------- */
table.dataTable tr.child .btn-primary,
table.dataTable tr.shown .btn-primary {
    border-radius: var(--u-radius-sm) !important;
}

/* --------- Scrollbar más sutil --------- */
@media (min-width: 768px) {
    ::-webkit-scrollbar { width: 10px; height: 10px; }
    ::-webkit-scrollbar-track { background: transparent; }
    ::-webkit-scrollbar-thumb {
        background: #d1d5db;
        border-radius: 6px;
        border: 2px solid var(--u-bg);
    }
    ::-webkit-scrollbar-thumb:hover { background: #9ca3af; }
}

/* --------- Pequeñas mejoras de UX --------- */
* {
    -webkit-tap-highlight-color: rgba(17, 64, 94, 0.1);
}

a {
    transition: color 0.15s ease;
}

button, .btn {
    cursor: pointer;
}

/* Mantener legibilidad de los nombres en columnas del primer color amarillo */
[style*="color: #f8b212"] {
    color: var(--u-accent) !important;
}

/* ============================================================
 * MEJORAS POR PÁGINA — patrones específicos detectados
 * ============================================================ */

/* --------- Login pages (iniciosesion.php, guest_login.php) --------- */
section.register-photo {
    background: var(--u-bg) !important;
    min-height: 100vh;
    padding: 24px;
}

section.register-photo form {
    background: var(--u-surface);
    border-radius: var(--u-radius-lg);
    padding: 40px 36px !important;
    box-shadow: var(--u-shadow-lg);
    width: 100%;
    max-width: 420px;
    border: 1px solid var(--u-border-soft);
}

section.register-photo form h2 {
    margin: 0 0 8px 0 !important;
}

section.register-photo form h2 strong {
    font-weight: 700;
}

section.register-photo .image-holder {
    border-radius: var(--u-radius-lg);
    margin-right: 24px;
}

/* Aviso/disclaimer en login: más sutil */
.container-alert {
    box-shadow: var(--u-shadow);
    border-radius: var(--u-radius);
    background: var(--u-surface);
}

.nav-disclaimer {
    background: var(--u-surface) !important;
    border-radius: var(--u-radius);
}

/* --------- Forms grandes (unidad.php, cargadoc.php) --------- */
/* Sección típica: <div class="row my-4 border-bottom align-items-center"> */
.row.my-4.border-bottom {
    border-bottom: 1px solid var(--u-border) !important;
    padding-bottom: 20px !important;
    margin-bottom: 20px !important;
}

.row.my-4.border-bottom:last-of-type {
    border-bottom: 0 !important;
}

/* Form contenedor con .bg-light */
form.bg-light,
.bg-light.p-4.rounded {
    background: var(--u-surface) !important;
    border-radius: var(--u-radius) !important;
    padding: 24px !important;
    box-shadow: var(--u-shadow);
    border: 1px solid var(--u-border-soft);
    margin-top: 20px;
}

/* Encabezado de sección de form: <h4>Descripción</h4> + <p>desc</p> */
form h4,
.row .col h4 {
    color: var(--u-accent) !important;
    font-weight: 600 !important;
    font-size: 1.05rem !important;
    margin: 0 0 4px 0 !important;
    letter-spacing: -0.01em;
}

form .text-muted,
.row .col p.text-muted {
    color: var(--u-text-muted) !important;
    font-size: 0.85rem !important;
    margin: 0 !important;
}

/* Form group con espaciado consistente */
.form-group {
    margin-bottom: 12px !important;
}

/* Inputs read-only en historico.php — destacarlos como "info" pills */
input.form-control[readonly] {
    background: #f0f4f8 !important;
    border-color: var(--u-border-soft) !important;
    color: var(--u-accent) !important;
    font-weight: 600 !important;
    cursor: default;
}

/* Strong dentro de form (labels grandes en historico) */
.row .col strong[style*="font-size"] {
    font-size: 0.85rem !important;
    color: var(--u-text-muted) !important;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 600 !important;
    display: block;
    margin-bottom: 4px;
}

/* Encabezados estilo "ESTATUS" / "TERMINAL" en historico */
h1[style*="font-size: 25px"] {
    font-size: 1.1rem !important;
    color: var(--u-accent) !important;
    font-weight: 700 !important;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    width: auto !important;
    float: none !important;
    margin: 16px 0 8px !important;
}

/* --------- Container central de muchas páginas --------- */
.container {
    max-width: 1280px;
}

/* Filas/columnas con backgrounds blancos hardcoded → respetan el surface */
.row[style*="background: #ffffff"],
[style*="background: #ffffff; border-radius"] {
    background: var(--u-surface) !important;
}

/* --------- "Mostrar Filtro" y botones similares --------- */
button.btn-primary[id*="show"],
button[id*="filter"] {
    margin-bottom: 8px;
}

/* --------- Loaders / spinners --------- */
.dataTables_processing {
    background: var(--u-surface) !important;
    color: var(--u-text-muted) !important;
    border: 1px solid var(--u-border) !important;
    border-radius: var(--u-radius-sm) !important;
    box-shadow: var(--u-shadow-lg) !important;
    padding: 16px 24px !important;
}

/* --------- SweetAlert2 --------- */
.swal2-popup {
    border-radius: var(--u-radius-lg) !important;
    font-family: 'Inter', sans-serif !important;
}

.swal2-title {
    color: var(--u-accent) !important;
    font-weight: 600 !important;
}

.swal2-styled.swal2-confirm {
    background: var(--u-accent) !important;
    border-radius: var(--u-radius-sm) !important;
}

.swal2-styled.swal2-cancel {
    background: var(--u-text-muted) !important;
    border-radius: var(--u-radius-sm) !important;
}

/* --------- Celdas marcadas como "vacías" por el JS --------- */
.dt-empty-cell {
    color: #cbd5e1 !important;
    font-style: normal;
}

/* --------- Pills de estatus (cuando un texto suelto es ACTIVO/INACTIVO/etc) --------- */
/* Aplicamos un look semántico solo cuando es claramente un estatus */
table.dataTable tbody td:not(:has(*)) {
    font-variant-numeric: tabular-nums;
}

/* --------- Hover suave en filas de listado --------- */
table.dataTable tbody tr {
    transition: background 0.1s ease;
}

/* --------- Mejorar contenedores hijo-row (responsive) en mobile --------- */
@media (max-width: 768px) {
    ul.dtr-details > li {
        flex-wrap: wrap;
    }

    ul.dtr-details > li > span.dtr-title {
        min-width: 0;
        width: 100%;
        margin-bottom: 4px;
    }

    .nav-tabs {
        gap: 2px;
        padding: 4px;
    }

    .nav-tabs .nav-link {
        padding: 6px 10px !important;
        font-size: 0.8rem !important;
    }

    table.dataTable tr.child td.child {
        padding: 14px !important;
    }

    section.register-photo form {
        padding: 24px !important;
    }
}

/* --------- Print: dejar limpio el papel --------- */
@media print {
    body { background: white !important; }
    .nav-tabs, .dt-buttons, .dataTables_filter, .dataTables_length, .dataTables_paginate {
        display: none !important;
    }
}

/* ============================================================
 * INDEX (landing /index.php)
 * Rediseño completo del menú principal — sin tocar HTML.
 * ============================================================ */

/* Fondo: quitar foto de montaña, gradiente suave */
header.header-dark {
    background-image: none !important;
    background: linear-gradient(160deg, #f7fafc 0%, #e8eef5 50%, #dde7f0 100%) !important;
    background-attachment: initial !important;
    background-size: cover !important;
    opacity: 1 !important;
    min-height: 100vh;
    padding: 0 !important;
    position: relative;
}

/* Patrón sutil arriba (decorativo) */
header.header-dark::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 80% 10%, rgba(17, 64, 94, 0.05) 0%, transparent 40%),
                      radial-gradient(circle at 10% 90%, rgba(248, 178, 18, 0.04) 0%, transparent 35%);
    pointer-events: none;
    z-index: 0;
}

/* Navbar superior */
header.header-dark .navbar {
    background: transparent !important;
    padding: 16px 0 !important;
    position: relative;
    z-index: 2;
}

header.header-dark .navbar > .container {
    align-items: center;
    justify-content: space-between;
    display: flex;
}

header.header-dark .navbar img {
    width: 110px !important;
    height: auto !important;
    max-height: 60px !important;
    object-fit: contain;
}

/* Cerrar Sesión — botón outline limpio */
header.header-dark a.btn.action-button[href*="logout"] {
    background: var(--u-surface) !important;
    color: var(--u-accent) !important;
    border: 1px solid var(--u-border) !important;
    border-radius: var(--u-radius-sm) !important;
    padding: 8px 18px !important;
    font-size: 0.875rem !important;
    font-weight: 500 !important;
    margin: 0 !important;
    box-shadow: var(--u-shadow-sm);
    transition: all 0.15s ease;
    text-transform: none;
}

header.header-dark a.btn.action-button[href*="logout"]:hover {
    background: var(--u-accent) !important;
    color: #ffffff !important;
    border-color: var(--u-accent) !important;
}

/* Container del menú central */
header.header-dark > .container {
    position: relative;
    z-index: 1;
    padding-top: 40px;
    max-width: 1200px;
}

/* Reset del bloque gris semitransparente */
header.header-dark .col-md-8.offset-md-2,
header.header-dark [style*="rgba(177,172,172"] {
    background: transparent !important;
    padding: 0 !important;
}

/* Título de bienvenida (insertado via :before en la primera row) */
header.header-dark .container > .row:first-of-type {
    margin-top: 60px !important;
}

header.header-dark .container > .row:first-of-type::before {
    content: "Panel Principal";
    display: block;
    width: 100%;
    text-align: center;
    font-size: 0.875rem;
    color: var(--u-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-weight: 600;
    margin-bottom: 8px;
}

header.header-dark .container > .row:first-of-type::after {
    content: "Selecciona una sección para empezar";
    display: block;
    width: 100%;
    text-align: center;
    font-size: 1.5rem;
    color: var(--u-accent);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: -8px 0 32px 0;
    order: 1;
}

/* Las columnas de menú: convertirlas en cards modernas */
header.header-dark .col-md-8 .row {
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
    margin: 0 !important;
    padding: 0 !important;
}

header.header-dark .col-md-8 .row > .col {
    flex: 1 1 200px;
    max-width: 240px;
    padding: 0 !important;
    margin: 0 !important;
}

/* Cada item del menú = card */
header.header-dark .col-md-8 .row > .col > a {
    display: flex !important;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--u-surface);
    border-radius: var(--u-radius-lg);
    padding: 32px 20px !important;
    box-shadow: var(--u-shadow);
    border: 1px solid var(--u-border-soft);
    transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
    text-align: center;
    height: 100%;
    min-height: 180px;
    text-decoration: none !important;
    color: inherit !important;
    cursor: pointer;
}

header.header-dark .col-md-8 .row > .col > a:hover {
    transform: translateY(-3px);
    box-shadow: var(--u-shadow-lg);
    border-color: var(--u-accent);
}

header.header-dark .col-md-8 .row > .col > a:active {
    transform: translateY(-1px);
}

/* Icono dentro de la card */
header.header-dark .col-md-8 .row > .col a > i {
    font-size: 40px !important;
    color: var(--u-accent) !important;
    margin: 0 0 16px 0 !important;
    display: block !important;
    transition: transform 0.18s ease;
}

header.header-dark .col-md-8 .row > .col > a:hover > i {
    transform: scale(1.1);
}

/* Tema ROSA (RH para Norma): preservar inline #fe46a5 / #FF9DE4 */
header.header-dark .col-md-8 .row > .col a > i[style*="#fe46a5"],
header.header-dark .col-md-8 .row > .col a > i[style*="#FE46A5"] {
    color: #fe46a5 !important;
}

header.header-dark .col-md-8 .row > .col a > strong[style*="#FF9DE4"],
header.header-dark .col-md-8 .row > .col a > strong[style*="#ff9de4"] {
    color: #fe46a5 !important; /* En lugar del rosa pálido, usar el principal para mejor contraste */
    font-weight: 600 !important;
}

/* Card hover en tema rosa: borde y label se vuelven rosa */
header.header-dark .col-md-8 .row > .col:has(i[style*="#fe46a5"]) > a:hover,
header.header-dark .col-md-8 .row > .col:has(i[style*="#FE46A5"]) > a:hover {
    border-color: #fe46a5 !important;
}

header.header-dark .col-md-8 .row > .col:has(i[style*="#fe46a5"]) > a:hover > strong,
header.header-dark .col-md-8 .row > .col:has(i[style*="#FE46A5"]) > a:hover > strong {
    color: #fe46a5 !important;
}

/* Label de la card */
header.header-dark .col-md-8 .row > .col a > strong {
    font-size: 0.85rem !important;
    color: var(--u-text) !important;
    font-weight: 600 !important;
    text-align: center !important;
    margin: 0 !important;
    display: block !important;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    line-height: 1.3;
}

header.header-dark .col-md-8 .row > .col > a:hover > strong {
    color: var(--u-accent) !important;
}

/* Botón Reportes — accent con peso */
header.header-dark a.btn.action-button[href*="reportes"] {
    background: var(--u-primary) !important;
    color: #ffffff !important;
    border: 0 !important;
    border-radius: var(--u-radius-sm) !important;
    padding: 10px 22px !important;
    font-size: 0.875rem !important;
    font-weight: 600 !important;
    margin: 32px auto 0 auto !important;
    display: inline-block;
    box-shadow: var(--u-shadow);
    transition: all 0.15s ease;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

header.header-dark a.btn.action-button[href*="reportes"]:hover {
    background: var(--u-primary-dark) !important;
    transform: translateY(-1px);
    box-shadow: var(--u-shadow-lg);
}

/* Centrar el botón de Reportes en su contenedor */
header.header-dark > .container > a.btn.action-button[href*="reportes"] {
    display: block;
    width: max-content;
    margin: 32px auto !important;
}

/* Mobile: cards apiladas */
@media (max-width: 768px) {
    header.header-dark .container > .row:first-of-type::after {
        font-size: 1.15rem;
    }
    header.header-dark .col-md-8 .row > .col {
        flex: 1 1 100%;
        max-width: 100%;
    }
    header.header-dark .col-md-8 .row > .col > a {
        min-height: 130px;
        padding: 24px 16px !important;
    }
    header.header-dark .col-md-8 .row > .col a > i {
        font-size: 32px !important;
    }
}