/* Styles pour le visualiseur de documents */
.document-viewer {
    background: #f8f9fa;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.viewer-header {
    background: linear-gradient(135deg, #667eea 0%, #0d6efd 100%);
    color: white;
    padding: 2rem;
    margin: 0;
}

.pdf-toolbar {
    background: white;
    border-bottom: 1px solid #e9ecef;
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.pdf-container {
    position: relative;
    background: white;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pdf-container canvas {
    max-width: 100%;
    height: auto;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    border-radius: 8px;
}

.pdf-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.btn-page {
    border-radius: 20px;
    padding: 0.5rem 1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid #e9ecef;
    background: white;
    color: #6c757d;
    white-space: nowrap;
}

.btn-page:hover:not(:disabled) {
    background: #667eea;
    color: white;
    border-color: #667eea;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

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

.page-counter {
    background: linear-gradient(135deg, #667eea 0%, #0d6efd 100%);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    white-space: nowrap;
}

.zoom-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.zoom-controls .btn {
    padding: 0.375rem 0.5rem;
}

.zoom-level {
    font-weight: 600;
    color: #6c757d;
    min-width: 50px;
    text-align: center;
}

/* Responsive design */
@media (max-width: 768px) {
    .pdf-toolbar {
        padding: 0.75rem;
        gap: 0.5rem;
    }
    
    .pdf-toolbar .row {
        margin: 0;
    }
    
    .pdf-toolbar .col-12 {
        padding: 0.25rem;
    }
    
    .pdf-controls {
        gap: 0.25rem;
    }
    
    .zoom-controls {
        gap: 0.25rem;
    }
    
    .page-counter {
        font-size: 0.8rem;
        padding: 0.4rem 0.8rem;
    }
    
    .btn-page {
        padding: 0.4rem 0.8rem;
        font-size: 0.85rem;
    }
    
    .zoom-level {
        min-width: 40px;
        font-size: 0.8rem;
    }
}

@media (max-width: 576px) {
    .pdf-toolbar {
        flex-direction: column;
        align-items: stretch;
        gap: 0.75rem;
    }
    
    .pdf-controls {
        justify-content: center;
        order: 1;
    }
    
    .pdf-toolbar .col-md-3:last-child {
        order: 2;
        text-align: center;
    }
    
    .page-counter {
        order: 3;
        text-align: center;
        margin: 0.5rem 0;
    }
    
    .zoom-controls {
        order: 4;
        justify-content: center;
        margin-top: 0.5rem;
    }
    
    .viewer-header {
        padding: 1.5rem;
    }
    
    .viewer-header h1 {
        font-size: 1.5rem;
    }
}