/* Merge PDF Page Specific Styles */

.merge-section {
    padding: 3rem 0;
    background: var(--bg-color);
}

.merge-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

/* Files List Card */
.files-list-card {
    background: white;
    border-radius: 8px;
    box-shadow: var(--shadow);
    padding: 2rem;
    margin-bottom: 2rem;
}

.files-list-card h3 {
    margin-bottom: 1.5rem;
    color: var(--text-color);
    font-size: 1.3rem;
}

.files-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
    min-height: 100px;
}

.file-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-light);
    border-radius: 6px;
    border: 2px solid var(--border-color);
    transition: all 0.3s;
    cursor: move;
}

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

.file-item.dragging {
    opacity: 0.5;
    border-color: var(--primary-color);
}

.file-item-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.file-item-info {
    flex: 1;
    min-width: 0;
}

.file-item-name {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.25rem;
    word-break: break-all;
}

.file-item-size {
    font-size: 0.85rem;
    color: var(--text-light);
}

.file-item-actions {
    display: flex;
    gap: 0.5rem;
    flex-shrink: 0;
}

.file-item-btn {
    width: 32px;
    height: 32px;
    border: none;
    background: var(--primary-color);
    color: white;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    font-size: 1.2rem;
}

.file-item-btn:hover {
    background: var(--primary-dark);
    transform: scale(1.1);
}

.file-item-btn.remove {
    background: #e74c3c;
}

.file-item-btn.remove:hover {
    background: #c0392b;
}

.file-item-number {
    width: 32px;
    height: 32px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    flex-shrink: 0;
}

.add-more-files {
    text-align: center;
}

/* Merge Options */
.merge-options {
    background: white;
    border-radius: 8px;
    box-shadow: var(--shadow);
    padding: 2rem;
    margin-bottom: 2rem;
}

.merge-options h3 {
    margin-bottom: 1.5rem;
    color: var(--text-color);
    font-size: 1.3rem;
}

.option-group {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.option-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    padding: 0.75rem;
    border-radius: 6px;
    transition: background 0.3s;
}

.option-label:hover {
    background: var(--bg-light);
}

.option-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--primary-color);
}

.option-label span {
    color: var(--text-color);
    font-size: 1rem;
}

/* Progress Bar */
.progress-container {
    background: white;
    border-radius: 8px;
    box-shadow: var(--shadow);
    padding: 2rem;
    margin-bottom: 2rem;
}

.progress-bar {
    width: 100%;
    height: 30px;
    background: var(--bg-light);
    border-radius: 15px;
    overflow: hidden;
    margin-bottom: 1rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    width: 0%;
    transition: width 0.3s;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.85rem;
    font-weight: 600;
}

.progress-text {
    text-align: center;
    color: var(--text-color);
    font-weight: 500;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 0.8rem 2rem;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-primary:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    background: var(--secondary-color);
    color: white;
}

.btn-secondary:hover {
    background: #45b869;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: white;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover {
    background: var(--bg-light);
    transform: translateY(-2px);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--text-light);
}

.empty-state-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .file-item {
        flex-wrap: wrap;
    }

    .file-item-actions {
        width: 100%;
        justify-content: flex-end;
    }

    .action-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .option-group {
        gap: 0.75rem;
    }
}