/**
 * ROI APU Search UI Styles
 *
 * @package ROI_APU_Search
 */

/* Variables */
:root {
    --roi-apu-primary: #0d6efd;
    --roi-apu-primary-hover: #0b5ed7;
    --roi-apu-bg: #ffffff;
    --roi-apu-bg-secondary: #f8f9fa;
    --roi-apu-border: #dee2e6;
    --roi-apu-text: #212529;
    --roi-apu-text-muted: #6c757d;
    --roi-apu-highlight: #fff3cd;
    --roi-apu-error: #dc3545;
    --roi-apu-success: #198754;
    --roi-apu-radius: 8px;
    --roi-apu-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --roi-apu-transition: 0.2s ease;
}

/* Container */
.roi-apu-search-container {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    color: var(--roi-apu-text);
    max-width: 100%;
    margin: 0 auto;
}

/* Search Form */
.roi-apu-search-form {
    margin-bottom: 1rem;
}

.roi-apu-input-wrapper {
    display: flex;
    gap: 0.5rem;
    background: var(--roi-apu-bg);
    border: 2px solid var(--roi-apu-border);
    border-radius: var(--roi-apu-radius);
    padding: 0.25rem;
    transition: border-color var(--roi-apu-transition), box-shadow var(--roi-apu-transition);
}

.roi-apu-input-wrapper:focus-within {
    border-color: var(--roi-apu-primary);
    box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.15);
}

.roi-apu-search-input {
    flex: 1;
    border: none;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    background: transparent;
    outline: none;
    min-width: 0;
}

.roi-apu-search-input::placeholder {
    color: var(--roi-apu-text-muted);
}

.roi-apu-search-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background: var(--roi-apu-primary);
    color: white;
    border: none;
    border-radius: calc(var(--roi-apu-radius) - 4px);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color var(--roi-apu-transition);
    white-space: nowrap;
}

.roi-apu-search-btn:hover:not(:disabled) {
    background: var(--roi-apu-primary-hover);
}

.roi-apu-search-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.roi-apu-search-btn svg {
    flex-shrink: 0;
}

/* Error Message */
.roi-apu-error {
    margin-top: 0.5rem;
    padding: 0.75rem 1rem;
    background: #f8d7da;
    color: var(--roi-apu-error);
    border-radius: var(--roi-apu-radius);
    font-size: 0.875rem;
}

/* Loading */
.roi-apu-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 2rem;
    color: var(--roi-apu-text-muted);
}

.roi-apu-spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--roi-apu-border);
    border-top-color: var(--roi-apu-primary);
    border-radius: 50%;
    animation: roi-apu-spin 0.8s linear infinite;
}

@keyframes roi-apu-spin {
    to { transform: rotate(360deg); }
}

/* Info Bar */
.roi-apu-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background: var(--roi-apu-bg-secondary);
    border-radius: var(--roi-apu-radius);
    margin-bottom: 1rem;
    font-size: 0.875rem;
}

.roi-apu-info-total {
    font-weight: 600;
}

.roi-apu-info-time {
    color: var(--roi-apu-text-muted);
}

/* Results */
.roi-apu-results-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.roi-apu-result-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--roi-apu-bg);
    border: 1px solid var(--roi-apu-border);
    border-radius: var(--roi-apu-radius);
    text-decoration: none;
    color: inherit;
    transition: border-color var(--roi-apu-transition), box-shadow var(--roi-apu-transition);
}

.roi-apu-result-item:hover {
    border-color: var(--roi-apu-primary);
    box-shadow: var(--roi-apu-shadow);
}

.roi-apu-result-position {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--roi-apu-bg-secondary);
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--roi-apu-text-muted);
    flex-shrink: 0;
}

.roi-apu-result-content {
    flex: 1;
    min-width: 0;
}

.roi-apu-result-title {
    margin: 0 0 0.25rem;
    font-size: 1rem;
    font-weight: 500;
    line-height: 1.4;
    color: var(--roi-apu-text);
}

.roi-apu-result-title mark {
    background: var(--roi-apu-highlight);
    padding: 0 2px;
    border-radius: 2px;
}

.roi-apu-result-date {
    font-size: 0.8125rem;
    color: var(--roi-apu-text-muted);
}

.roi-apu-result-arrow {
    flex-shrink: 0;
    color: var(--roi-apu-text-muted);
    transition: transform var(--roi-apu-transition), color var(--roi-apu-transition);
}

.roi-apu-result-item:hover .roi-apu-result-arrow {
    transform: translateX(4px);
    color: var(--roi-apu-primary);
}

/* No Results */
.roi-apu-no-results {
    text-align: center;
    padding: 3rem 2rem;
    background: var(--roi-apu-bg-secondary);
    border-radius: var(--roi-apu-radius);
}

.roi-apu-no-results p {
    margin: 0;
}

.roi-apu-no-results p:first-child {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.roi-apu-suggestions {
    color: var(--roi-apu-text-muted);
    font-size: 0.875rem;
}

/* Pagination */
.roi-apu-pagination {
    display: flex;
    justify-content: center;
    margin-top: 1.5rem;
}

.roi-apu-pagination-inner {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    flex-wrap: wrap;
    justify-content: center;
}

.roi-apu-page-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 0.75rem;
    background: var(--roi-apu-bg);
    border: 1px solid var(--roi-apu-border);
    border-radius: var(--roi-apu-radius);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--roi-apu-transition);
}

.roi-apu-page-btn:hover:not(.roi-apu-page-active) {
    background: var(--roi-apu-bg-secondary);
    border-color: var(--roi-apu-primary);
}

.roi-apu-page-btn.roi-apu-page-active {
    background: var(--roi-apu-primary);
    border-color: var(--roi-apu-primary);
    color: white;
}

.roi-apu-page-btn.roi-apu-prev,
.roi-apu-page-btn.roi-apu-next {
    padding: 0 1rem;
}

.roi-apu-page-ellipsis {
    padding: 0 0.5rem;
    color: var(--roi-apu-text-muted);
}

/* Responsive */
@media (max-width: 640px) {
    .roi-apu-input-wrapper {
        flex-direction: column;
    }

    .roi-apu-search-btn {
        width: 100%;
        justify-content: center;
    }

    .roi-apu-btn-text {
        display: inline;
    }

    .roi-apu-result-item {
        padding: 0.875rem;
    }

    .roi-apu-result-position {
        display: none;
    }

    .roi-apu-info {
        flex-direction: column;
        gap: 0.25rem;
        text-align: center;
    }

    .roi-apu-page-btn.roi-apu-prev,
    .roi-apu-page-btn.roi-apu-next {
        padding: 0 0.5rem;
        font-size: 0.8125rem;
    }
}

/* Hide text on very small screens */
@media (max-width: 480px) {
    .roi-apu-btn-text {
        display: none;
    }

    .roi-apu-search-btn {
        padding: 0.75rem;
    }
}

/* =================================================================
   Anuncios en resultados de busqueda
   Usa variables CSS del tema para consistencia
   VISIBLES por defecto para que AdSense pueda medirlos y llenarlos
   Se ocultan via JS si no se llenan despues del timeout
   ================================================================= */

.roi-apu-ad-item {
    /* VISIBLE por defecto - AdSense necesita medir el elemento */
    display: block;

    /* Spacing usando variables del tema o fallbacks */
    padding: var(--roi-spacing-md, 1rem);
    margin: var(--roi-spacing-sm, 0.5rem) 0;

    /* Fondo sutil que no compita con resultados */
    background: var(--roi-bg-light, #f8f9fa);
    border-radius: var(--roi-radius-sm, 0.375rem);

    /* Centrar contenido del anuncio */
    text-align: center;

    /* Borde sutil para separar del contenido */
    border: 1px solid var(--roi-border-light, rgba(0,0,0,0.05));

    /* Altura minima para que AdSense pueda renderizar */
    min-height: 100px;
}

/* Ocultar ads que no se llenaron (clase agregada via JS) */
.roi-apu-ad-item.ad-unfilled {
    display: none;
}

.roi-apu-ad-item ins.adsbygoogle {
    display: block !important;
    min-height: 100px; /* Altura minima para evitar CLS */
}

/* Anuncio superior - mas prominente */
.roi-apu-ad-item[data-ad-position="top"] {
    margin-top: 0;
    margin-bottom: var(--roi-spacing-md, 1rem);
    background: var(--roi-bg-muted, #f1f3f4);
}

/* Anuncios entre resultados - menos intrusivos */
.roi-apu-ad-item:not([data-ad-position="top"]) {
    margin: var(--roi-spacing-md, 1rem) 0;
}

/* Responsive: En movil, padding reducido */
@media (max-width: 768px) {
    .roi-apu-ad-item {
        padding: var(--roi-spacing-sm, 0.5rem);
    }

    .roi-apu-ad-item ins.adsbygoogle {
        min-height: 80px;
    }
}

/* =================================================================
   Dark Mode Support
   El input siempre tiene fondo blanco, forzar texto oscuro
   ================================================================= */
@media (prefers-color-scheme: dark) {
    .roi-apu-search-input {
        color: var(--roi-apu-text);
    }
}