/* =====================================================================
 * Estilos Institucionales TecNM - Módulo Posgrado Virtual
 * Paleta de Colores Oficiales:
 * - Azul TecNM Primario: #1B396A
 * - Azul Oscuro: #002E5D
 * - Dorado Institucional: #D4AC0D
 * - Fondo Suave: #F4F7FA
 * ===================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --tecnm-blue-primary: #1B396A;
    --tecnm-blue-dark: #002E5D;
    --tecnm-blue-light: #2C4D85;
    --tecnm-gold: #D4AC0D;
    --tecnm-gold-hover: #B7950B;
    --tecnm-bg-light: #F4F7FA;
    --tecnm-card-border: #E3E8EE;
    --tecnm-text-dark: #2B3445;
    --tecnm-text-muted: #6C757D;
    --tecnm-shadow: 0 8px 24px rgba(27, 57, 106, 0.08);
    --tecnm-radius: 12px;
}

.bg-tecnm-blue {
    background-color: var(--tecnm-blue-primary) !important;
    color: #FFFFFF !important;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--tecnm-bg-light);
    color: var(--tecnm-text-dark);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header & Top Navbar */
.navbar-tecnm {
    background: linear-gradient(135deg, var(--tecnm-blue-primary) 0%, var(--tecnm-blue-dark) 100%);
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.15);
    border-bottom: 3px solid var(--tecnm-gold);
    padding: 0.5rem 1rem;
}

.navbar-brand-tecnm {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #FFFFFF !important;
    font-weight: 700;
    font-size: 0.98rem;
    letter-spacing: -0.2px;
    margin-right: 0.5rem;
}

.brand-badge {
    background-color: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: #FFFFFF;
    font-size: 0.7rem;
    padding: 2px 7px;
    border-radius: 20px;
    font-weight: 500;
}

.brand-gold-dot {
    color: var(--tecnm-gold);
}

.navbar-tecnm .navbar-nav .nav-link {
    font-size: 0.76rem;
    padding: 0.35rem 0.42rem;
    white-space: nowrap;
    letter-spacing: -0.15px;
}

.navbar-tecnm .navbar-nav .nav-link i {
    font-size: 0.78rem;
}

.nav-admin-badge {
    font-size: 0.74rem;
    padding: 3px 10px;
}

.table-sort-button {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0;
    border: 0;
    background: transparent;
    color: inherit;
    font: inherit;
    font-weight: inherit;
    text-align: inherit;
    cursor: pointer;
}

.table-sort-button:hover,
.table-sort-button:focus-visible {
    color: var(--tecnm-blue-primary);
}

.table-sort-button:focus-visible {
    outline: 2px solid var(--tecnm-blue-primary);
    outline-offset: 2px;
}

.table-sort-button i {
    font-size: 0.72em;
    opacity: 0.65;
}

/* Sub-Header Banner */
.page-header-banner {
    background: #FFFFFF;
    border-bottom: 1px solid var(--tecnm-card-border);
    padding: 1.5rem 0;
    margin-bottom: 1.75rem;
}

.page-title-heading {
    font-weight: 700;
    color: var(--tecnm-blue-primary);
    font-size: 1.5rem;
    margin: 0;
}

/* Tariff & KPI Cards */
.kpi-card {
    background: #FFFFFF;
    border-radius: var(--tecnm-radius);
    border: 1px solid var(--tecnm-card-border);
    box-shadow: var(--tecnm-shadow);
    padding: 1.25rem 1.5rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    height: 100%;
}

.kpi-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(27, 57, 106, 0.12);
}

.kpi-icon-wrapper {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    background: rgba(27, 57, 106, 0.08);
    color: var(--tecnm-blue-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
}

.kpi-title {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--tecnm-text-muted);
    font-weight: 600;
    margin-bottom: 4px;
}

.kpi-value {
    font-size: 1.85rem;
    font-weight: 700;
    color: var(--tecnm-blue-primary);
    margin: 0;
}

/* Main Content Card */
.main-card {
    background: #FFFFFF;
    border-radius: var(--tecnm-radius);
    border: 1px solid var(--tecnm-card-border);
    box-shadow: var(--tecnm-shadow);
    overflow: hidden;
    margin-bottom: 2.5rem;
}

.main-card-header {
    background: #FFFFFF;
    border-bottom: 1px solid var(--tecnm-card-border);
    padding: 1.25rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

/* Custom Buttons */
.btn-tecnm-primary {
    background-color: var(--tecnm-blue-primary);
    color: #FFFFFF;
    border: none;
    font-weight: 600;
    padding: 0.55rem 1.25rem;
    border-radius: 8px;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-tecnm-primary:hover, .btn-tecnm-primary:focus {
    background-color: var(--tecnm-blue-dark);
    color: #FFFFFF;
    box-shadow: 0 4px 12px rgba(27, 57, 106, 0.3);
}

.btn-tecnm-gold {
    background-color: var(--tecnm-gold);
    color: #1B396A;
    border: none;
    font-weight: 600;
    padding: 0.55rem 1.25rem;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.btn-tecnm-gold:hover {
    background-color: var(--tecnm-gold-hover);
    color: #1B396A;
}

.btn-action-icon {
    width: 32px;
    height: 32px;
    padding: 0;
    border-radius: 6px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    transition: all 0.15s ease;
}

/* DataTables Styled */
.table-tecnm {
    width: 100% !important;
    border-collapse: separate;
    border-spacing: 0;
}

.table-tecnm thead th {
    background-color: var(--tecnm-blue-primary) !important;
    color: #FFFFFF !important;
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 0.85rem 1rem;
    border: none !important;
}

.table-tecnm tbody td {
    padding: 0.85rem 1rem;
    vertical-align: middle;
    border-bottom: 1px solid #EEF2F6;
    font-size: 0.9rem;
}

.table-tecnm tbody tr:hover {
    background-color: rgba(27, 57, 106, 0.03) !important;
}

/* Badges */
.badge-plantel,
#tableEstudiantes tbody td:nth-child(4) .badge,
#tableDocentes tbody td:nth-child(3) .badge {
    background-color: #F8F9FA !important;
    color: #000000 !important;
    border: 1px solid #DEE2E6 !important;
    font-weight: 600;
}

.badge-zone {
    background-color: #E8F1FF;
    color: #1E6091;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.78rem;
}

.badge-tipo {
    background-color: #E6F4EA;
    color: #137333;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.78rem;
}

/* Modals */
.modal-tecnm-header {
    background: linear-gradient(135deg, var(--tecnm-blue-primary), var(--tecnm-blue-dark));
    color: #FFFFFF;
    border-bottom: 3px solid var(--tecnm-gold);
    padding: 1.1rem 1.25rem;
}

.modal-tecnm-header .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

.modal-title-custom {
    font-weight: 700;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

#modalDocente .modal-dialog {
    max-height: 92vh;
}

#modalDocente .modal-body {
    padding: 1rem 1rem 0.75rem !important;
}

#modalDocente .modal-docente-section-title {
    margin-bottom: 0.55rem !important;
    padding-bottom: 0.35rem !important;
}

#modalDocente .modal-docente-section-heading {
    font-size: 0.82rem;
}

#modalDocente .form-label,
#modalDocente .form-text,
#modalDocente .invalid-feedback {
    font-size: 0.8rem;
}

#modalDocente .form-control,
#modalDocente .form-select,
#modalDocente .input-group-text {
    font-size: 0.9rem;
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
}

#modalDocente .modal-footer {
    padding: 0.8rem 1rem;
}

#modalDocente .modal-footer .btn {
    padding-top: 0.45rem;
    padding-bottom: 0.45rem;
    font-size: 0.9rem;
}

.form-label-custom {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--tecnm-text-dark);
    margin-bottom: 0.35rem;
}

.form-control-custom, .form-select-custom {
    border-radius: 8px;
    border: 1px solid #CED4DA;
    padding: 0.55rem 0.85rem;
    font-size: 0.9rem;
}

.form-control-custom:focus, .form-select-custom:focus {
    border-color: var(--tecnm-blue-primary);
    box-shadow: 0 0 0 0.2rem rgba(27, 57, 106, 0.15);
}

/* Footer */
footer.tecnm-footer {
    margin-top: auto;
    background: var(--tecnm-blue-dark);
    color: rgba(255, 255, 255, 0.8);
    padding: 1.25rem 0;
    font-size: 0.85rem;
    border-top: 2px solid var(--tecnm-gold);
}

/* =====================================================================
 * Estilos Select2 Bootstrap 5 para Búsqueda en Selects de Plantel
 * ===================================================================== */
.select2-container--bootstrap-5 .select2-selection {
    border-radius: 8px;
    border: 1px solid #CED4DA;
    min-height: 38px;
    font-size: 0.9rem;
    font-family: inherit;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.select2-container--bootstrap-5.select2-container--focus .select2-selection,
.select2-container--bootstrap-5.select2-container--open .select2-selection {
    border-color: var(--tecnm-blue-primary);
    box-shadow: 0 0 0 0.2rem rgba(27, 57, 106, 0.18);
}

.select2-container--bootstrap-5 .select2-dropdown {
    border-radius: 8px;
    border: 1px solid #CED4DA;
    box-shadow: 0 10px 25px rgba(27, 57, 106, 0.15);
    z-index: 1070 !important;
    overflow: hidden;
}

.select2-container--bootstrap-5 .select2-dropdown .select2-search .select2-search__field {
    border-radius: 6px;
    border: 1px solid #CED4DA;
    padding: 0.45rem 0.75rem;
    font-size: 0.88rem;
}

.select2-container--bootstrap-5 .select2-dropdown .select2-search .select2-search__field:focus {
    border-color: var(--tecnm-blue-primary);
    box-shadow: 0 0 0 0.15rem rgba(27, 57, 106, 0.15);
}

.select2-container--bootstrap-5 .select2-results__option--highlighted[aria-selected] {
    background-color: var(--tecnm-blue-primary);
    color: #FFFFFF;
}

.select2-container--bootstrap-5 .select2-results__option[aria-selected=true] {
    background-color: rgba(27, 57, 106, 0.08);
    color: var(--tecnm-blue-primary);
    font-weight: 600;
}

/* Versión compacta para barra de filtros */
.form-select-sm + .select2-container--bootstrap-5 .select2-selection,
.select2-sm .select2-selection {
    min-height: 31px !important;
    padding: 0.2rem 0.5rem !important;
    font-size: 0.85rem !important;
}

/* Modal de inscripción masiva: mantener cabecera y acciones visibles */
.modal-inscripcion-estudiante .modal-dialog {
    max-width: min(1140px, calc(100vw - 1rem));
}

.modal-inscripcion-estudiante .modal-content {
    max-height: calc(100vh - 1rem);
    max-height: calc(100dvh - 1rem);
}

.modal-inscripcion-estudiante .modal-header,
.modal-inscripcion-estudiante .modal-footer {
    padding: 0.55rem 1rem;
}

.modal-inscripcion-estudiante .modal-title {
    font-size: 1rem;
}

.modal-inscripcion-estudiante .modal-body {
    font-size: 0.82rem;
}

.modal-inscripcion-estudiante .form-label-custom,
.modal-inscripcion-estudiante .form-label {
    font-size: 0.76rem;
    margin-bottom: 0.2rem;
}

.modal-inscripcion-estudiante .form-control,
.modal-inscripcion-estudiante .form-select {
    min-height: 32px;
    padding: 0.3rem 0.55rem;
    font-size: 0.8rem;
}

.modal-inscripcion-estudiante .table th,
.modal-inscripcion-estudiante .table td {
    padding: 0.3rem 0.45rem;
    font-size: 0.76rem;
}

@media (max-width: 767.98px) {
    .modal-inscripcion-estudiante .modal-dialog {
        margin: 0.35rem;
    }

    .modal-inscripcion-estudiante .modal-header,
    .modal-inscripcion-estudiante .modal-footer {
        padding: 0.5rem 0.7rem;
    }
}