/* Images to PDF Styles */
.upload-header {
    text-align: center;
    margin-bottom: 40px;
}

.upload-header h2 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.2rem;
}

.upload-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.info-box {
    background: var(--bg-secondary);
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    border: 1px solid var(--border-color);
}

.info-box i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.info-box p {
    margin: 5px 0;
    font-weight: 500;
}

.info-box .small {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: normal;
}

.upload-area {
    background: var(--bg-secondary);
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 60px 20px;
    text-align: center;
    margin: 30px 0;
    transition: border-color 0.3s;
}

.upload-area.dragover {
    border-color: var(--primary-color);
    background: var(--bg-tertiary);
}

.upload-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.upload-area h3 {
    margin-bottom: 10px;
}

.upload-hint {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.browse-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 6px;
    font-size: 1.1rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: background 0.3s;
}

.browse-btn:hover {
    background: var(--primary-dark);
}

/* Options Grid */
.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 20px 0 30px;
}

.option-card {
    background: var(--bg-secondary);
    border-radius: 10px;
    padding: 20px;
    border: 1px solid var(--border-color);
}

.option-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.option-header i {
    color: var(--primary-color);
}

.form-select {
    width: 100%;
    padding: 10px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 1rem;
}

.slider-container {
    margin-top: 15px;
}

.quality-slider {
    width: 100%;
    margin: 10px 0;
}

.slider-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 5px;
}

.quality-value {
    text-align: center;
    margin-top: 10px;
    font-weight: 500;
}

/* Image List */
.image-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 15px;
    margin: 20px 0;
}

.image-item {
    background: var(--bg-secondary);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    position: relative;
}

.image-preview {
    width: 100%;
    height: 120px;
    object-fit: cover;
    display: block;
}

.image-info {
    padding: 10px;
}

.image-name {
    font-size: 0.9rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 5px;
}

.image-size {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.remove-image {
    position: absolute;
    top: 5px;
    right: 5px;
    background: rgba(0,0,0,0.7);
    color: white;
    border: none;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin: 30px 0;
}

.btn-primary, .btn-secondary {
    padding: 12px 30px;
    font-size: 1.1rem;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--primary-dark);
}

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

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--bg-secondary);
}

.security-note {
    text-align: center;
    color: var(--text-secondary);
    margin: 20px 0;
}

.security-note i {
    color: var(--primary-color);
    margin-right: 8px;
}

/* Progress & Success Overlays */
.progress-overlay, .success-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.8);
    z-index: 10000;
    align-items: center;
    justify-content: center;
}

.progress-content, .success-content {
    background: var(--bg-primary);
    padding: 40px;
    border-radius: 12px;
    text-align: center;
    max-width: 500px;
    width: 90%;
}

.success-icon {
    font-size: 4rem;
    color: var(--success-color);
    margin-bottom: 20px;
}

.success-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin: 25px 0;
}

.stat-item {
    text-align: center;
}

.stat-item i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.stat-item span {
    display: block;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 5px;
}

.stat-item strong {
    font-size: 1.5rem;
    color: var(--text-primary);
}

.success-buttons {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

/* .btn-download {
    background: var(--success-color);
    color: white;
    padding: 12px 25px;
    border-radius: 6px;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
    justify-content: center;
}
*/

.btn-download:hover {
    background: var(--success-dark);
}

.hint-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.hint-text i {
    color: var(--primary-color);
}

/* Responsive */
@media (max-width: 768px) {
    .upload-info {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .options-grid {
        grid-template-columns: 1fr;
    }
    
    .image-list {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .success-stats {
        grid-template-columns: 1fr;
    }
    
    .success-buttons {
        flex-direction: column;
    }
}