/**
 * IIM Base Styles
 * Estilos compartidos entre el shortcode AJAX y los archives nativos.
 * Variables, filtros, campos de formulario, botones y accesibilidad.
 *
 * @package NevChildDM
 */

/* ==========================================================================
   Variables CSS
   ========================================================================== */
:root {
    --iim-primary: var(--nv-secondary-accent, #0066cc);
    --iim-primary-dark: var(--nv-primary-accent, #0066cc);
    --iim-primary-light: var(--nv-primary-light, #e6f0fa);
    --iim-secondary: var(--nv-secondary-accent, #6c757d);
    --iim-light: var(--nv-light-bg, #f8f9fa);
    --iim-white: var(--nv-text-dark-bg, #ffffff);
    --iim-gray-50: #f9fafb;
    --iim-gray-100: var(--nv-light-bg, #f8f9fa);
    --iim-gray-200: #e9ecef;
    --iim-gray-300: #dee2e6;
    --iim-gray-400: #ced4da;
    --iim-gray-500: #adb5bd;
    --iim-gray-600: #6c757d;
    --iim-gray-700: #495057;
    --iim-gray-800: #343a40;
    --iim-gray-900: #212529;
    --iim-border-radius: 8px;
    --iim-border-radius-lg: 12px;
    --iim-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --iim-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --iim-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --iim-transition: all 0.3s ease;
}

/* ==========================================================================
   Accesibilidad
   ========================================================================== */
.sr-only {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* ==========================================================================
   Filtros — Contenedor
   ========================================================================== */
.iim-archive__filters {
    background: var(--iim-white);
    border-radius: var(--iim-border-radius-lg);
    box-shadow: var(--iim-shadow);
    margin-bottom: 2rem;
    overflow: hidden;
}

.iim-archive__filters-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    background: var(--iim-gray-100);
    border-bottom: 1px solid var(--iim-gray-200);
}

.iim-archive__filters-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--iim-gray-800);
}

.iim-archive__filters-toggle {
    min-width: 44px;
    min-height: 44px;
    padding: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--iim-gray-600);
    border-radius: var(--iim-border-radius);
    transition: var(--iim-transition);
}

.iim-archive__filters-toggle:hover {
    background: var(--iim-gray-200);
    color: var(--iim-gray-800);
}

.iim-archive__filters-toggle[aria-expanded="false"] svg {
    transform: rotate(180deg);
}

/* ==========================================================================
   Filtros — Formulario
   ========================================================================== */
.iim-archive__form {
    padding: 1.5rem;
}

.iim-archive__form[hidden] {
    display: none;
}

.iim-archive__fields {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

/* ==========================================================================
   Campos de Formulario
   ========================================================================== */
.iim-archive__field {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.iim-archive__field label,
.iim-archive__field legend {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--iim-gray-700);
    margin: 0;
    padding: 0;
}

.iim-archive__field fieldset {
    border: none;
    margin: 0;
    padding: 0;
}

/* Input de texto / búsqueda */
.iim-archive__input-wrapper {
    position: relative;
    display: block;
}

.iim-archive__input-wrapper svg {
    position: absolute;
    left: 0.875rem;
    top: 50%;
    transform: translateY(-50%);
    width: 1.25rem;
    height: 1.25rem;
    color: var(--iim-gray-400);
    pointer-events: none;
    z-index: 2;
}

.iim-archive__input {
    width: 100%;
    min-height: 44px;
    padding: 0.75rem 0.875rem 0.75rem 2.75rem;
    font-size: 0.9375rem;
    border: 2px solid var(--iim-gray-300);
    border-radius: var(--iim-border-radius);
    background: var(--iim-white) !important;
    color: var(--iim-gray-800);
    box-sizing: border-box;
    transition: var(--iim-transition);
}

.iim-archive__input:focus,
.iim-archive__input:focus-visible {
    outline: none;
    border-color: var(--iim-primary);
    box-shadow: 0 0 0 3px var(--iim-primary-light);
}

.iim-archive__input::placeholder {
    color: var(--iim-gray-700);
}

.iim-archive__field--text .iim-archive__input {
    padding-left: 0.875rem;
}

/* Select */
.iim-archive__select-wrapper {
    position: relative;
}

.iim-archive__select {
    width: 100%;
    min-height: 44px;
    padding: 0.75rem 2.5rem 0.75rem 0.875rem;
    font-size: 0.9375rem;
    border: 2px solid var(--iim-gray-300);
    border-radius: var(--iim-border-radius);
    background: var(--iim-white);
    appearance: none;
    cursor: pointer;
    color: var(--iim-gray-800);
    transition: var(--iim-transition);
}

.iim-archive__select:focus,
.iim-archive__select:focus-visible {
    outline: none;
    border-color: var(--iim-primary);
    box-shadow: 0 0 0 3px var(--iim-primary-light);
}

.iim-archive__select-icon {
    position: absolute;
    right: 0.875rem;
    top: 50%;
    transform: translateY(-50%);
    width: 1.25rem;
    height: 1.25rem;
    color: var(--iim-gray-400);
    pointer-events: none;
}

/* Radio buttons */
.iim-archive__radio-group {
    display: flex;
    gap: 0.75rem;
    margin-top: 0.25rem;
}

.iim-archive__radio {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    min-height: 44px;
    padding: 0.25rem 0.5rem !important;
    border-radius: var(--iim-border-radius);
    border: 2px solid var(--iim-gray-300);
    font-weight: 500;
    transition: var(--iim-transition);
}

.iim-archive__radio:hover,
.iim-archive__radio:has(input:checked) {
    border-color: var(--iim-primary);
    background: var(--iim-primary-light);
}

.iim-archive__radio input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.iim-archive__radio input:focus-visible+.iim-archive__radio-custom {
    outline: 3px solid var(--iim-primary);
    outline-offset: 2px;
}

.iim-archive__radio-custom {
    width: 1.125rem;
    height: 1.125rem;
    border: 2px solid var(--iim-gray-400);
    border-radius: 50%;
    position: relative;
    transition: var(--iim-transition);
}

.iim-archive__radio input:checked+.iim-archive__radio-custom {
    border-color: var(--iim-primary);
}

.iim-archive__radio input:checked+.iim-archive__radio-custom::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 0.5rem;
    height: 0.5rem;
    background: var(--iim-primary);
    border-radius: 50%;
}

.iim-archive__radio-label {
    font-size: 0.875rem;
    color: var(--iim-gray-700);
    transition: var(--iim-transition);
}

.iim-archive__radio input:checked~.iim-archive__radio-label {
    color: var(--iim-primary);
}

/* Fecha */
.iim-archive__field--date {
    min-width: 180px;
}

.iim-archive__input--date::-webkit-calendar-picker-indicator {
    opacity: 0;
    position: absolute;
    right: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

/* ==========================================================================
   Botones de Acción
   ========================================================================== */
.iim-archive__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--iim-gray-200);
}

.iim-archive__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-height: 44px;
    padding: 0.75rem 1.5rem;
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--iim-border-radius);
    cursor: pointer;
    border: 2px solid transparent;
    text-decoration: none;
    transition: var(--iim-transition);
}

.iim-archive__btn--primary {
    background: var(--iim-primary);
    color: var(--iim-white);
    border-color: var(--iim-primary);
}

.iim-archive__btn--primary:hover {
    background: var(--iim-primary-dark);
    border-color: var(--iim-primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--iim-shadow);
}

.iim-archive__btn--secondary {
    background: var(--iim-white);
    color: var(--iim-gray-700);
    border-color: var(--iim-gray-300);
}

.iim-archive__btn--secondary:hover {
    background: var(--iim-gray-100);
    border-color: var(--iim-gray-400);
}

.iim-archive__icon {
    width: 1.125rem;
    height: 1.125rem;
    flex-shrink: 0;
}

/* ==========================================================================
   Focus y Accesibilidad
   ========================================================================== */
.iim-archive__filters-toggle:focus-visible,
.iim-archive__btn:focus-visible {
    outline: 3px solid var(--iim-primary);
    outline-offset: 2px;
    box-shadow: 0 0 0 2px var(--iim-white), 0 0 0 5px var(--iim-primary);
}

.iim-archive__input:focus-visible,
.iim-archive__select:focus-visible {
    outline: 3px solid var(--iim-primary);
    outline-offset: 2px;
}

/* ==========================================================================
   Responsive — Filtros
   ========================================================================== */
@media (max-width: 768px) {
    .iim-archive__filters-header {
        padding: 0.875rem 1rem;
    }

    .iim-archive__filters-toggle {
        min-width: 48px;
        min-height: 48px;
    }

    .iim-archive__form {
        padding: 1rem;
    }

    .iim-archive__fields {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .iim-archive__actions {
        flex-direction: column;
    }

    .iim-archive__btn {
        width: 100%;
        min-height: 48px;
        padding: 1rem 1.5rem;
    }

    .iim-archive__radio-group {
        flex-direction: column;
    }

    .iim-archive__radio {
        min-height: 48px;
        padding: 1rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        transition: none !important;
        animation: none !important;
    }
}




/* ==========================================================================
   Paginación
   ========================================================================== */
.iim-archive__pagination-wrapper {
    margin-top: 2rem;
}

.iim-archive__pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.iim-archive__page-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    min-width: 44px;
    min-height: 44px;
    height: 2.5rem;
    padding: 0 0.75rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--iim-gray-700);
    background: var(--iim-white);
    border: 2px solid var(--iim-gray-300);
    border-radius: var(--iim-border-radius);
    cursor: pointer;
    transition: var(--iim-transition);
}

.iim-archive__page-btn:hover:not(:disabled) {
    border-color: var(--iim-primary);
    color: var(--iim-primary);
    background: var(--iim-primary-light);
}

.iim-archive__page-btn--active {
    background: var(--iim-primary) !important;
    border-color: var(--iim-primary) !important;
    color: var(--iim-white) !important;
}

.iim-archive__page-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.iim-archive__page-btn svg {
    width: 1rem;
    height: 1rem;
}

.iim-archive__page-numbers {
    display: flex;
    gap: 0.375rem;
}

.iim-archive__page-dots {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 2.5rem;
    height: 2.5rem;
    color: var(--iim-gray-500);
}

/* ==========================================================================
   Focus — Expandibles y Paginación
   ========================================================================== */
.iim-archive__expandable-toggle:focus-visible,
.iim-archive__page-btn:focus-visible {
    outline: 3px solid var(--iim-primary);
    outline-offset: 2px;
    box-shadow: 0 0 0 2px var(--iim-white), 0 0 0 5px var(--iim-primary);
}

.iim-archive__expandable-link:focus-visible {
    outline: 3px solid var(--iim-primary);
    outline-offset: 2px;
    text-decoration: underline;
}

.iim-archive__expandable-header:focus-visible {
    outline: 3px solid var(--iim-primary);
    outline-offset: 2px;
}

/* ==========================================================================
   Responsive — Expandibles
   ========================================================================== */
@media (max-width: 768px) {
    .iim-archive__expandable-header {
        padding: 1rem;
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }
 
    .iim-archive__expandable-toggle {
        align-self: center;
        margin-left: 0;
        min-width: 48px;
        min-height: 48px;
    }

    .iim-archive__expandable-body {
        padding: 0 1rem 1rem;
    }

    .iim-archive__page-btn--prev span,
    .iim-archive__page-btn--next span {
        display: none;
    }

    .iim-archive__page-btn--prev,
    .iim-archive__page-btn--next {
        padding: 0;
        min-width: 2.5rem;
    }
}

 
/* ==========================================================================
   Campo de búsqueda con datalist (searchable select)
   ========================================================================== */

/* Wrapper del input con icono */
.iim-archive__input-wrapper {
    position: relative;
    display: block;
    width: 100%;
}

/* Campo searchable individual */
.iim-archive__field--searchable {
    position: relative;
    width: 100%;
}

/* Input con icono */
.iim-archive__input--searchable {
    width: 100%;
    padding-left: 2.75rem !important;
    padding-right: 1rem;
}

/* Icono de búsqueda (lupa) */
.iim-archive__search-icon {
    position: absolute;
    left: 0.875rem;
    top: 50%;
    transform: translateY(-50%);
    width: 1.25rem;
    height: 1.25rem;
    color: var(--iim-gray-400);
    pointer-events: none;
    z-index: 2;
    margin: 0;
    /* Resetear margin por si acaso */
}

/* Hint/ayuda debajo del campo */
.iim-archive__field-hint {
    display: block;
    margin-top: 0.375rem;
    font-size: 0.8125rem;
    color: var(--iim-gray-500);
    font-style: italic;
    line-height: 1.4;
}

/* Indicador de datalist (triángulo desplegable) */
input[list]::-webkit-calendar-picker-indicator {
    opacity: 0.5;
    cursor: pointer;
    padding: 0.25rem;
}

input[list]::-webkit-calendar-picker-indicator:hover {
    opacity: 1;
}

/* Firefox datalist support */
input[list]::-moz-calendar-picker-indicator {
    opacity: 0.5;
    cursor: pointer;
}

input[list]::-moz-calendar-picker-indicator:hover {
    opacity: 1;
}

/* Estados del input searchable */
.iim-archive__input--searchable:focus {
    padding-left: 2.75rem !important;
}

.iim-archive__input--searchable:focus+.iim-archive__search-icon {
    color: var(--iim-primary);
}

/* Responsive: ajustar en móvil */
@media (max-width: 768px) {
    .iim-archive__input--searchable {
        padding-left: 2.5rem !important;
        font-size: 1rem;
        /* Evitar zoom en iOS */
    }

    .iim-archive__search-icon {
        left: 0.75rem;
        width: 1.125rem;
        height: 1.125rem;
    }

    .iim-archive__field-hint {
        font-size: 0.75rem;
    }
}