/* PubMed4WP Styles */

:root {
    --pubmed4wp-primary: #004A5E;
    --pubmed4wp-secondary: #f0f0f1;
    --pubmed4wp-success: #00a32a;
    --pubmed4wp-error: #d63638;
    --pubmed4wp-border: #c3c4c7;
    --pubmed4wp-text: #2c3338;
    --pubmed4wp-text-light: #646970;
    --pubmed4wp-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --pubmed4wp-radius: 4px;
    --pubmed4wp-spacing: 1rem;
}

/* Container principal */
.pubmed4wp-container {
    max-width: 100%;
    margin: var(--pubmed4wp-spacing) 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    line-height: 1.6;
    color: var(--pubmed4wp-text);
}

/* Formulaire de filtres */
.pubmed4wp-filters {
    background: var(--pubmed4wp-secondary);
    padding: var(--pubmed4wp-spacing);
    border: 1px solid var(--pubmed4wp-border);
    border-radius: var(--pubmed4wp-radius);
    margin-bottom: var(--pubmed4wp-spacing);
}

.pubmed4wp-filters .filter-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--pubmed4wp-spacing);
    margin-bottom: var(--pubmed4wp-spacing);
    align-items: center;
}

.pubmed4wp-filters .filter-row:last-child {
    margin-bottom: 0;
}

.pubmed4wp-filters label {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    font-weight: 500;
    color: var(--pubmed4wp-text);
}

.pubmed4wp-filters input[type="text"],
.pubmed4wp-filters select {
    padding: 0.5rem;
    border: 1px solid var(--pubmed4wp-border);
    border-radius: var(--pubmed4wp-radius);
    font-size: 14px;
    min-width: 200px;
    transition: border-color 0.2s ease;
}

.pubmed4wp-filters input[type="text"]:focus,
.pubmed4wp-filters select:focus {
    outline: none;
    border-color: var(--pubmed4wp-primary);
    box-shadow: 0 0 0 1px var(--pubmed4wp-primary);
}

.pubmed4wp-filters input[type="checkbox"] {
    margin-right: 0.5rem;
}

.pubmed4wp-filters .button {
    padding: 0.5rem 1rem;
    background: var(--pubmed4wp-primary);
    color: white;
    border: none;
    border-radius: var(--pubmed4wp-radius);
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: background-color 0.2s ease;
    text-decoration: none;
    display: inline-block;
}

.pubmed4wp-filters .button:hover {
    background: #1e5a96;
}

.pubmed4wp-filters .button:disabled {
    background: var(--pubmed4wp-border);
    cursor: not-allowed;
}

/* Indicateur de chargement */
.pubmed4wp-loading {
    display: inline-block;
    margin-left: 0.5rem;
    color: var(--pubmed4wp-text-light);
    font-style: italic;
}

.pubmed4wp-loading::after {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    margin-left: 0.5rem;
    border: 2px solid var(--pubmed4wp-border);
    border-top: 2px solid var(--pubmed4wp-primary);
    border-radius: 50%;
    animation: pubmed4wp-spin 1s linear infinite;
    vertical-align: middle;
}

@keyframes pubmed4wp-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* En-tête des résultats */
.pubmed4wp-results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--pubmed4wp-spacing);
    margin-bottom: var(--pubmed4wp-spacing);
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--pubmed4wp-border);
}
.pubmed4wp-highlighted-author {
    background-color: #ffffcc;
    font-weight: bold;
    padding: 0 3px;
    border-radius: 3px;
}

.pubmed4wp-count {
    margin: 0;
    font-weight: 600;
    color: var(--pubmed4wp-primary);
}

.pubmed4wp-sort,
.pubmed4wp-export {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.pubmed4wp-sort select {
    min-width: auto;
    width: auto;
}

/* Liste des articles */
.pubmed4wp-articles {
    list-style: none;
    padding: 0;
    margin: 0;
}

.pubmed4wp-article {
    background: white;
    border: 1px solid var(--pubmed4wp-border);
    border-radius: var(--pubmed4wp-radius);
    padding: var(--pubmed4wp-spacing);
    margin-bottom: var(--pubmed4wp-spacing);
    box-shadow: var(--pubmed4wp-shadow);
    transition: box-shadow 0.2s ease;
}

.pubmed4wp-article:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.pubmed4wp-article:last-child {
    margin-bottom: 0;
}

/* Titre de l'article */
.pubmed4wp-title {
    margin: 0 0 0.5rem 0;
    font-size: 1.2em;
    line-height: 1.4;
}

.pubmed4wp-title a {
    color: var(--pubmed4wp-primary);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s ease;
}

.pubmed4wp-title a:hover {
    color: #1e5a96;
    text-decoration: underline;
}

/* Métadonnées */
.pubmed4wp-meta {
    margin-bottom: 0.75rem;
    color: var(--pubmed4wp-text-light);
    font-size: 0.9em;
}

.pubmed4wp-year {
    font-weight: 600;
    color: var(--pubmed4wp-primary);
}

.pubmed4wp-journal {
    color: var(--pubmed4wp-text);
}

/* Auteurs */
.pubmed4wp-authors {
    margin-bottom: 0.75rem;
    font-size: 0.9em;
    line-height: 1.5;
}

.pubmed4wp-authors strong {
    color: var(--pubmed4wp-text);
}

/* Résumé */
.pubmed4wp-abstract {
    margin-bottom: 0.75rem;
    padding: 0.75rem;
    background: #f8f9fa;
    border-left: 3px solid var(--pubmed4wp-primary);
    border-radius: 0 var(--pubmed4wp-radius) var(--pubmed4wp-radius) 0;
}

.pubmed4wp-abstract strong {
    color: var(--pubmed4wp-text);
    display: block;
    margin-bottom: 0.5rem;
}

.pubmed4wp-abstract .abstract-content {
    font-size: 0.9em;
    line-height: 1.6;
    color: var(--pubmed4wp-text);
}

.abstract-toggle {
    background: none;
    border: none;
    color: var(--pubmed4wp-primary);
    cursor: pointer;
    font-size: 0.85em;
    padding: 0.25rem 0;
    text-decoration: underline;
    margin-top: 0.5rem;
}

.abstract-toggle:hover {
    color: #1e5a96;
}

/* DOI */
.pubmed4wp-doi {
    font-size: 0.85em;
    color: var(--pubmed4wp-text-light);
}

.pubmed4wp-doi a {
    color: var(--pubmed4wp-primary);
    text-decoration: none;
}

.pubmed4wp-doi a:hover {
    text-decoration: underline;
}

/* Messages d'erreur et d'information */
.pubmed4wp-error,
.pubmed4wp-no-results {
    background: #fff;
    border-left: 4px solid var(--pubmed4wp-error);
    padding: var(--pubmed4wp-spacing);
    margin: var(--pubmed4wp-spacing) 0;
    border-radius: 0 var(--pubmed4wp-radius) var(--pubmed4wp-radius) 0;
    color: var(--pubmed4wp-text);
}

.pubmed4wp-no-results {
    border-left-color: var(--pubmed4wp-text-light);
    color: var(--pubmed4wp-text-light);
}

/* Responsive */
@media (max-width: 768px) {
    .pubmed4wp-filters .filter-row {
        flex-direction: column;
        align-items: stretch;
    }
    
    .pubmed4wp-filters input[type="text"],
    .pubmed4wp-filters select {
        min-width: auto;
        width: 100%;
    }
    
    .pubmed4wp-results-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .pubmed4wp-sort,
    .pubmed4wp-export {
        justify-content: center;
    }
    
    .pubmed4wp-article {
        padding: 0.75rem;
    }
    
    .pubmed4wp-title {
        font-size: 1.1em;
    }
}

@media (max-width: 480px) {
    .pubmed4wp-container {
        margin: 0.5rem 0;
    }
    
    .pubmed4wp-filters,
    .pubmed4wp-article {
        padding: 0.5rem;
    }
    
    .pubmed4wp-title {
        font-size: 1em;
    }
}

/* Impression */
@media print {
    .pubmed4wp-filters,
    .pubmed4wp-sort,
    .pubmed4wp-export,
    .abstract-toggle {
        display: none !important;
    }
    
    .pubmed4wp-article {
        border: 1px solid #000;
        margin-bottom: 1rem;
        box-shadow: none;
        page-break-inside: avoid;
    }
    
    .pubmed4wp-title a {
        color: #000 !important;
        text-decoration: none !important;
    }
    
    .pubmed4wp-title a::after {
        content: " (" attr(href) ")";
        font-weight: normal;
        font-size: 0.8em;
    }
}

/* Animation d'apparition */
.pubmed4wp-article {
    animation: pubmed4wp-fadeIn 0.3s ease-in-out;
}

@keyframes pubmed4wp-fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Focus et accessibilité */
.pubmed4wp-container *:focus {
    outline: 2px solid var(--pubmed4wp-primary);
    outline-offset: 2px;
}

/* Style pour les écrans à contraste élevé */
@media (prefers-contrast: high) {
    :root {
        --pubmed4wp-border: #000;
        --pubmed4wp-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    }
    
    .pubmed4wp-article {
        border-width: 2px;
    }
}

/* Support du thème sombre */
@media (prefers-color-scheme: dark) {
    :root {
        --pubmed4wp-primary: #4dabf7;
        --pubmed4wp-secondary: #2d3748;
        --pubmed4wp-border: #4a5568;
        --pubmed4wp-text: #e2e8f0;
        --pubmed4wp-text-light: #a0aec0;
        --pubmed4wp-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
    }
    
    .pubmed4wp-article {
        background: #374151;
    }
    
    .pubmed4wp-abstract {
        background: #2d3748;
    }
    
    .pubmed4wp-filters {
        background: #2d3748;
    }
}