/* ==========================================================================
    STYLE MODULE DE RECHERCHE PDF & DOSSIERS
    ========================================================================== */
.pdf-search-module {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 4rem;
    padding: 0 2rem;
    box-sizing: border-box;
    z-index: 2;
}

.pdf-bar-group {
    display: flex;
    align-items: center;
    background-color: var(--c-cards);
    border: 1px solid var(--c-surface-alt);
    border-radius: 30px;
    width: 600px;
    max-width: 100%;
    box-shadow: 0 4px 10px var(--c-shadow-light);
    transition: box-shadow 0.3s ease, border-color 0.3s ease;
    margin-bottom: 2.5rem;
    box-sizing: border-box;
}

.pdf-bar-group:focus-within {
    border-color: var(--c-brand-primary);
    box-shadow: 0 4px 15px var(--c-shadow-light);
}

.pdf-search-input {
    width: 100%;
    padding: 15px 25px;
    border: none;
    background: transparent;
    color: var(--c-text-1);
    font-size: 1rem;
    outline: none;
    border-radius: 30px;
}

/* Conteneur principal scrollable */
.pdf-results-display {
    width: 100%;
    max-width: 1400px;
    padding-bottom: 2rem;
    padding-right: 10px;
    max-height: calc(100vh - 320px);
    overflow-y: auto;
    scrollbar-width: thin;
}

/* Grille contenant les fichiers PDF */
.pdf-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

/* ==========================================================================
    STYLE DES DOSSIERS DÉPLIANTS
    ========================================================================== */
.pdf-folder-wrapper {
    margin-bottom: 20px;
    border-bottom: 2px solid var(--c-surface-alt);
    padding-bottom: 10px;
}

.pdf-folder-wrapper:last-child {
    border-bottom: none;
}

.pdf-folder-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--c-surface-bg);
    border: 1px solid var(--c-surface-alt);
    border-radius: 8px;
    padding: 12px 20px;
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease;
    margin-bottom: 15px;
}

.pdf-folder-header:hover {
    border-color: var(--c-brand-primary);
    background: var(--c-surface-alt);
}

.pdf-folder-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--c-text-1);
    display: flex;
    align-items: center;
    gap: 10px;
}

.pdf-folder-actions {
    display: flex;
    gap: 10px;
}

/* Indentation du contenu des dossiers */
.pdf-folder-body {
    padding-left: 30px;
    border-left: 2px dashed var(--c-surface-alt);
    margin-left: 20px;
}

/* ==========================================================================
    CARTES FICHIERS PDF
    ========================================================================== */
.pdf-result-card {
    display: flex;
    flex-direction: column;
    padding: 20px;
    background: var(--c-surface-bg);
    border: 1px solid var(--c-surface-alt);
    border-radius: 12px;
    color: var(--c-text-1);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    text-align: center;
    min-height: 120px;
    height: 100%;
    box-sizing: border-box;
}

.pdf-result-card:hover {
    border-color: var(--c-brand-primary);
    box-shadow: 0 4px 12px var(--c-shadow-light);
}

.pdf-card-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex-grow: 1; 
    word-break: break-word;
}

.pdf-card-title {
    margin: 0;
    font-size: 1.05rem;
    font-weight: 600;
    line-height: 1.4;
}

.pdf-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 15px;
}

.pdf-action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background: var(--c-hover);
    color: var(--c-text-1);
    text-decoration: none;
    font-size: 1.1rem;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.pdf-action-btn:hover {
    background: var(--c-brand-primary);
    color: var(--c-main-bg);
}

.no-results-msg {
    display: none;
    color: var(--c-text-muted);
    font-size: 1rem;
    text-align: center;
    margin-top: 1rem;
    grid-column: 1 / -1;
}

/* ==========================================================================
    MODALE LECTEUR PDF INTERNE
    ========================================================================== */
.pdf-viewer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: color-mix(in srgb, var(--c-text-1) 85%, transparent);
    z-index: 9999;
    display: none;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(5px);
}

.pdf-viewer-container {
    width: 90%;
    height: 90%;
    background: var(--c-main-bg);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 10px 40px color-mix(in srgb, var(--c-shadow) 50%, transparent);
}

.pdf-viewer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 25px;
    background: var(--c-topbar-bg);
    color: var(--c-cards);
}

.pdf-viewer-title {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--c-cards);
}

.pdf-viewer-close {
    background: none;
    border: none;
    color: var(--c-cards);
    font-size: 1.8rem;
    cursor: pointer;
    line-height: 1;
    opacity: 0.8;
    transition: opacity 0.2s;
}

.pdf-viewer-close:hover {
    opacity: 1;
}

.pdf-viewer-iframe {
    flex-grow: 1;
    width: 100%;
    border: none;
    background-color: var(--c-sidebar-bg);
}