/**
 * RESPONSIVE MODALS - Sistema Global
 *
 * Hace que TODOS los modales sean responsive automáticamente:
 * - Max height adaptativo según viewport
 * - Scroll interno en el body del modal
 * - Botones siempre visibles (footer fijo)
 * - Funciona en móviles, tablets y desktop
 */

/* ============================================
   MODALES BOOTSTRAP - Responsive Global
   ============================================ */

/* Modal wrapper - centrado vertical y horizontal */
.modal {
    display: none; /* Oculto por defecto */
    align-items: center;
    justify-content: center;
    overflow-x: hidden;
    overflow-y: auto;
}

/* Solo mostrar cuando tiene clase .show */
.modal.show {
    display: flex !important;
}

/* Modal dialog - tamaño máximo responsivo */
.modal-dialog {
    max-width: 95vw !important;
    width: 100%;
    margin: 1rem auto;
    max-height: 95vh;
    display: flex;
    flex-direction: column;
}

/* Tamaños específicos que no excedan el viewport */
.modal-dialog.modal-sm {
    max-width: min(400px, 90vw) !important;
}

.modal-dialog.modal-lg {
    max-width: min(800px, 95vw) !important;
}

.modal-dialog.modal-xl {
    max-width: min(1140px, 95vw) !important;
}

/* Modal content - altura máxima y scroll */
.modal-content {
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Modal header - siempre visible arriba */
.modal-header {
    flex-shrink: 0;
    border-bottom: 1px solid #30363d;
    background: #21262d;
    position: sticky;
    top: 0;
    z-index: 1055;
}

/* Modal body - scroll interno */
.modal-body {
    flex: 1 1 auto;
    overflow-y: auto;
    overflow-x: hidden;
    max-height: calc(90vh - 120px); /* Espacio para header y footer */
    padding: 1rem;
}

/* Scroll suave en el body */
.modal-body::-webkit-scrollbar {
    width: 8px;
}

.modal-body::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

.modal-body::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 4px;
}

.modal-body::-webkit-scrollbar-thumb:hover {
    background: #555;
}

/* Modal footer - siempre visible abajo */
.modal-footer {
    flex-shrink: 0;
    border-top: 1px solid #30363d;
    background: #21262d;
    position: sticky;
    bottom: 0;
    z-index: 1055;
    padding: 0.75rem;
}

/* Botones del footer - siempre accesibles */
.modal-footer .btn {
    margin: 0 0.25rem;
}

/* ============================================
   RESPONSIVE - Mobile First
   ============================================ */

/* Móviles pequeños (<576px) */
@media (max-width: 575.98px) {
    .modal-dialog {
        max-width: 100vw !important;
        margin: 0;
        min-height: 100vh;
    }

    .modal-content {
        max-height: 100vh;
        border-radius: 0;
        border: none;
    }

    .modal-body {
        max-height: calc(100vh - 120px);
        padding: 0.75rem;
    }

    .modal-header,
    .modal-footer {
        padding: 0.75rem;
    }

    /* Botones en columna en móvil */
    .modal-footer {
        flex-direction: column;
    }

    .modal-footer .btn {
        width: 100%;
        margin: 0.25rem 0;
    }
}

/* Tablets (576px - 768px) */
@media (min-width: 576px) and (max-width: 767.98px) {
    .modal-dialog {
        max-width: 90vw !important;
        margin: 1rem auto;
    }

    .modal-content {
        max-height: 85vh;
    }

    .modal-body {
        max-height: calc(85vh - 120px);
    }
}

/* Desktop pequeño (768px - 992px) */
@media (min-width: 768px) and (max-width: 991.98px) {
    .modal-dialog {
        max-width: 80vw !important;
    }

    .modal-content {
        max-height: 80vh;
    }

    .modal-body {
        max-height: calc(80vh - 120px);
    }
}

/* ============================================
   FORMULARIOS DENTRO DE MODALES
   ============================================ */

/* Forms responsive */
.modal-body .form-group,
.modal-body .mb-3 {
    margin-bottom: 1rem;
}

.modal-body .form-control {
    width: 100%;
}

.modal-body .row {
    margin-left: -0.5rem;
    margin-right: -0.5rem;
}

.modal-body .col,
.modal-body [class*="col-"] {
    padding-left: 0.5rem;
    padding-right: 0.5rem;
}

/* ============================================
   TABLAS DENTRO DE MODALES
   ============================================ */

.modal-body .table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.modal-body table {
    width: 100%;
    margin-bottom: 1rem;
}

/* ============================================
   FIX PARA MODALES ANIDADOS
   ============================================ */

.modal.show ~ .modal.show {
    z-index: 1065 !important;
}

.modal-backdrop.show ~ .modal-backdrop.show {
    z-index: 1060 !important;
}

/* ============================================
   ANIMACIONES SUAVES
   ============================================ */

.modal.fade .modal-dialog {
    transition: transform 0.3s ease-out;
}

.modal.show .modal-dialog {
    transform: none;
}

/* ============================================
   ACCESIBILIDAD
   ============================================ */

/* Focus visible en botones */
.modal-footer .btn:focus,
.modal-header .close:focus {
    outline: 2px solid #007bff;
    outline-offset: 2px;
}

/* Botón cerrar siempre visible y accesible */
.modal-header .close {
    padding: 0.5rem;
    margin: -0.5rem -0.5rem -0.5rem auto;
    opacity: 0.8;
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
}

.modal-header .close:hover {
    opacity: 1;
}

/* ============================================
   LOADING STATES
   ============================================ */

.modal-body.loading {
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-body.loading::after {
    content: "Cargando...";
    font-size: 1.2rem;
    color: #8b949e;
}

/* ============================================
   PRINT STYLES
   ============================================ */

@media print {
    .modal {
        position: static;
    }

    .modal-dialog {
        max-width: 100%;
        max-height: none;
    }

    .modal-content {
        max-height: none;
        border: 1px solid #000;
    }

    .modal-footer .btn {
        display: none;
    }
}