/* Bibliothèque PDF - Charte bleu/blanc (encapsulée au conteneur) */
.bib-pdf-container,
.bib-pdf-container * {
    box-sizing: border-box;
}

.bib-pdf-container {
    /* Palette (alignée sur la capture de référence) */
    --bib-primary: #047BFF;
    --bib-primary-hover: #006AE6;
    --bib-bg: #F8FAFF;
    --bib-surface: #FFFFFF;
    --bib-border: #DCE3F2;
    --bib-text: #0E182C;
    --bib-muted: #64748B;
    --bib-danger: #EF4444;
    --bib-danger-hover: #DC2626;

    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bib-bg);
    padding: 20px;
    border-radius: 10px;
    border: 1px solid var(--bib-border);
    box-shadow: 0 1px 2px rgba(14, 24, 44, 0.06);
    max-width: 1200px;
    margin: 0 auto;
}

/* Header */
.bib-pdf-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: var(--bib-bg);
    border-bottom: 1px solid var(--bib-border);
    margin: -20px -20px 20px -20px;
}

.bib-pdf-header h2 {
    margin: 0;
    font-size: 20px;
    font-weight: 600;
    color: var(--bib-text);
}

.bib-admin-toggle {
    background-color: var(--bib-surface);
    color: var(--bib-text);
    border: 1px solid var(--bib-border);
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s;
    font-size: 14px;
}

.bib-admin-toggle:hover {
    background-color: var(--bib-bg);
    border-color: var(--bib-border);
}

/* Panneau Admin */
.bib-admin-panel {
    background: var(--bib-surface);
    border: 1px solid var(--bib-border);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
    display: none;
}

.bib-admin-panel.active {
    display: block;
}

.bib-admin-section {
    margin-bottom: 30px;
}

.bib-admin-section:last-child {
    margin-bottom: 0;
}

.bib-admin-section h3 {
    color: var(--bib-text);
    margin: 0 0 16px;
    font-size: 16px;
    font-weight: 600;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--bib-border);
}

.bib-form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
}

.bib-form-group label {
    font-weight: 500;
    color: var(--bib-text);
    font-size: 14px;
}

.bib-form-group input,
.bib-form-group select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--bib-border);
    border-radius: 6px;
    font-size: 14px;
    background: var(--bib-surface);
    color: var(--bib-text);
    transition: border-color 0.2s;
}

/* ===== Close buttons (modal intégrée Task Manager) ===== */
#unpnc-bibpdf-modal .unpnc-bibpdf-modal-close {
    background: transparent;
    border: none;
    font-size: 28px;
    cursor: pointer;
    padding: 0 10px;
    line-height: 1;
    color: #6b7280;
}
#unpnc-bibpdf-modal .unpnc-bibpdf-modal-close:hover {
    color: #111827;
}

.bib-form-group input:focus,
.bib-form-group select:focus {
    outline: none;
    border-color: var(--bib-primary);
    box-shadow: 0 0 0 3px rgba(4, 123, 255, 0.12);
}

.bib-form-group select {
    height: 40px;
}

.bib-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border: 1px solid var(--bib-border);
    background: var(--bib-surface);
    color: var(--bib-text);
    border-radius: 6px;
    padding: 8px 14px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s;
    margin-right: 8px;
    font-size: 14px;
}

.bib-btn:hover {
    background: var(--bib-bg);
    border-color: var(--bib-border);
}

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

.bib-btn-success {
    background: var(--bib-primary);
    border-color: var(--bib-primary);
    color: #ffffff;
}

.bib-btn-success:hover {
    background: var(--bib-primary-hover);
    border-color: var(--bib-primary-hover);
}

.bib-btn-danger {
    background: var(--bib-danger);
    border-color: var(--bib-danger);
    color: #ffffff;
}

.bib-btn-danger:hover {
    background: var(--bib-danger-hover);
    border-color: var(--bib-danger-hover);
}

.bib-btn-warning {
    background: var(--bib-surface);
    border-color: var(--bib-border);
    color: var(--bib-text);
}

.bib-admin-list {
    background: var(--bib-surface);
    border: 1px solid var(--bib-border);
    border-radius: 6px;
    padding: 12px;
    max-height: 300px;
    overflow-y: auto;
}

.bib-admin-list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 12px;
    border-bottom: 1px solid var(--bib-border);
    transition: background 0.2s;
}

.bib-admin-list-item:last-child {
    border-bottom: none;
}

.bib-admin-list-item:hover {
    background: var(--bib-bg);
}

.bib-folder-item {
    color: var(--bib-text);
    font-weight: 500;
}

.bib-file-item {
    color: var(--bib-muted);
}

/* Navigation et Recherche */
.bib-navigation-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 20px;
}

.bib-nav-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.bib-nav-group label {
    font-weight: 500;
    color: var(--bib-text);
    font-size: 14px;
}

#bibFolderSelector {
    padding: 10px 12px;
    font-size: 14px;
    border: 1px solid var(--bib-border);
    border-radius: 6px;
    background: var(--bib-surface);
    cursor: pointer;
    transition: border-color 0.2s;
    color: var(--bib-text);
}

#bibFolderSelector:hover {
    border-color: var(--bib-border);
}

#bibFolderSelector:focus {
    outline: none;
    border-color: var(--bib-primary);
    box-shadow: 0 0 0 3px rgba(4, 123, 255, 0.12);
}

#bibSearchInput {
    padding: 10px 12px;
    font-size: 14px;
    border: 1px solid var(--bib-border);
    border-radius: 6px;
    background: var(--bib-surface);
    transition: border-color 0.2s;
    color: var(--bib-text);
}

#bibSearchInput:focus {
    outline: none;
    border-color: var(--bib-primary);
    box-shadow: 0 0 0 3px rgba(4, 123, 255, 0.12);
}

#bibSearchInput::placeholder {
    color: var(--bib-muted);
}

.bib-search-info {
    margin-top: 6px;
    font-size: 13px;
    color: var(--bib-muted);
    font-weight: 500;
}

/* Interface Utilisateur */
.bib-user-interface {
    background: var(--bib-surface);
    border: 1px solid var(--bib-border);
    border-radius: 8px;
    padding: 20px;
}

.bib-file-selector h3 {
    font-size: 16px;
    margin: 0 0 12px;
    color: var(--bib-text);
    font-weight: 600;
}

.bib-file-selector select {
    width: 100%;
    padding: 10px 12px;
    font-size: 14px;
    border: 1px solid var(--bib-border);
    border-radius: 6px;
    background: var(--bib-surface);
    transition: border-color 0.2s;
    margin-bottom: 16px;
    cursor: pointer;
    color: var(--bib-text);
}

.bib-file-selector select:focus {
    border-color: var(--bib-primary);
    box-shadow: 0 0 0 3px rgba(4, 123, 255, 0.12);
    outline: none;
}

/* Contrôles */
.bib-controls {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.bib-controls button {
    flex: 1;
    min-width: 140px;
}

/* Visionneuse PDF */
.bib-iframe-container {
    border: 1px solid var(--bib-border);
    border-radius: 8px;
    padding: 10px;
    background: var(--bib-surface);
    margin-bottom: 20px;
}

#bibPdfViewer {
    width: 100%;
    height: 700px;
    border: none;
    border-radius: 6px;
    background-color: var(--bib-bg);
}

/* Favoris */
.bib-favorites-list {
    background: var(--bib-surface);
    border: 1px solid var(--bib-border);
    border-radius: 8px;
    padding: 20px;
}

.bib-favorites-list h4 {
    font-size: 16px;
    margin: 0 0 16px;
    color: var(--bib-text);
    font-weight: 600;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--bib-border);
}

.bib-favorites-list ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.bib-favorites-list ul li {
    padding: 10px 0;
    border-bottom: 1px solid var(--bib-border);
    transition: background 0.2s;
}

.bib-favorites-list ul li:last-child {
    border-bottom: none;
}

.bib-favorites-list ul li:hover {
    background: var(--bib-bg);
}

.bib-favorites-list ul li a {
    text-decoration: none;
    color: var(--bib-text);
    font-weight: 500;
    transition: color 0.2s;
}

.bib-favorites-list ul li a:hover {
    color: var(--bib-muted);
}

.bib-remove-favorite {
    color: var(--bib-danger);
    cursor: pointer;
    margin-left: 10px;
    font-weight: 600;
    transition: color 0.2s;
}

.bib-remove-favorite:hover {
    color: var(--bib-danger-hover);
}

/* Responsive */
@media (max-width: 820px) {
    .bib-pdf-header h2 {
        font-size: 18px;
    }

    .bib-navigation-section {
        grid-template-columns: 1fr;
    }

    .bib-controls {
        flex-direction: column;
    }

    .bib-controls button {
        width: 100%;
    }

    #bibPdfViewer {
        height: 500px;
    }
    
    .bib-pdf-container {
        padding: 16px;
    }
    
    .bib-user-interface {
        padding: 16px;
    }
}

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

.fade-in {
    animation: fadeIn 0.3s ease-in;
}

/* Scrollbar personnalisée */
.bib-admin-list::-webkit-scrollbar {
    width: 8px;
}

.bib-admin-list::-webkit-scrollbar-track {
    background: var(--bib-bg);
    border-radius: 4px;
}

.bib-admin-list::-webkit-scrollbar-thumb {
    background: var(--bib-border);
    border-radius: 4px;
}

.bib-admin-list::-webkit-scrollbar-thumb:hover {
    background: rgba(220, 227, 242, 0.8);
}