/* ========================================
   PDF COMPRESS CONVERTER - SPECIFIC STYLES
   ======================================== */

/* Page Header */
.converter-header {
    text-align: center;
    padding: var(--spacing-3xl) 0 var(--spacing-2xl);
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    position: relative;
    overflow: hidden;
}

.converter-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(245, 158, 11, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(217, 119, 6, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.header-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.conversion-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: var(--shadow-lg);
}

.conversion-icon svg {
    width: 40px;
    height: 40px;
    stroke-width: 2;
}

.page-title {
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(135deg, var(--text-primary) 0%, #f59e0b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 600px;
    margin: 0 auto;
}

/* Steps Section */
.steps-section {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-primary);
}

.steps-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-xl);
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.steps-container::before {
    content: '';
    position: absolute;
    top: 30px;
    left: 15%;
    right: 15%;
    height: 2px;
    background: var(--border-primary);
    z-index: 1;
}

.step-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    z-index: 2;
    transition: var(--transition-normal);
}

.step-item.active .step-number {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: white;
    transform: scale(1.1);
}

.step-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 3px solid var(--border-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    transition: var(--transition-normal);
}

.step-content h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.step-content p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Converter Section */
.converter-section {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

.converter-container {
    max-width: 800px;
    margin: 0 auto;
}

/* Upload Area */
.upload-area {
    background: var(--bg-card);
    border: 2px dashed var(--border-primary);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-3xl);
    text-align: center;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.upload-area:hover {
    border-color: #f59e0b;
    background: var(--bg-hover);
}

.upload-area.dragover {
    border-color: #f59e0b;
    background: rgba(245, 158, 11, 0.1);
    transform: scale(1.02);
}

.upload-content {
    position: relative;
    z-index: 2;
}

.upload-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    color: #f59e0b;
    transition: var(--transition-normal);
}

.upload-area:hover .upload-icon {
    transform: scale(1.1);
}

.upload-icon svg {
    width: 100%;
    height: 100%;
    stroke-width: 1.5;
}

.upload-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.upload-description {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.file-info {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    border: 1px solid var(--border-primary);
}

.file-types,
.file-size {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.5;
}

.file-types {
    font-weight: 500;
    color: var(--text-primary);
}

.upload-btn {
    padding: var(--spacing-md) var(--spacing-2xl);
    font-size: 1.125rem;
    font-weight: 600;
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    border-color: #f59e0b;
}

.upload-btn:hover {
    background: linear-gradient(135deg, #d97706 0%, #f59e0b 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(245, 158, 11, 0.3);
}

/* File Preview */
.file-preview {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    margin-top: var(--spacing-xl);
    border: 1px solid var(--border-primary);
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.preview-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.preview-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.preview-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-primary);
}

.file-icon {
    width: 40px;
    height: 40px;
    color: #f59e0b;
    flex-shrink: 0;
}

.file-icon svg {
    width: 100%;
    height: 100%;
}

.file-details {
    flex: 1;
}

.file-name {
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.file-size {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.remove-file {
    background: none;
    border: none;
    color: var(--error-color);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.remove-file:hover {
    background: var(--error-color);
    color: white;
}

/* Convert Options */
.convert-options {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    border: 1px solid var(--border-primary);
}

.option-group {
    margin-bottom: var(--spacing-lg);
}

.option-group:last-child {
    margin-bottom: 0;
}

.option-label {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    display: block;
}

/* Compression Levels */
.compression-levels {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.compression-btn {
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border: 2px solid var(--border-primary);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: var(--transition-fast);
    text-align: center;
}

.compression-btn:hover {
    border-color: #f59e0b;
    background: var(--bg-hover);
}

.compression-btn.active {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    border-color: #f59e0b;
    color: white;
}

.level-name {
    display: block;
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
}

.level-desc {
    display: block;
    font-size: 0.875rem;
    opacity: 0.8;
}

.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.checkbox-item:hover {
    background: var(--bg-hover);
}

.checkbox-item input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-primary);
    border-radius: var(--radius-sm);
    position: relative;
    transition: var(--transition-fast);
    flex-shrink: 0;
}

.checkbox-item input[type="checkbox"]:checked + .checkmark {
    background: #f59e0b;
    border-color: #f59e0b;
}

.checkbox-item input[type="checkbox"]:checked + .checkmark::after {
    content: '';
    position: absolute;
    left: 6px;
    top: 2px;
    width: 6px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

/* Convert Section */
.convert-section {
    text-align: center;
    margin-top: var(--spacing-xl);
}

.convert-btn {
    padding: var(--spacing-lg) var(--spacing-3xl);
    font-size: 1.25rem;
    font-weight: 600;
    min-width: 250px;
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    border-color: #f59e0b;
}

.convert-btn:hover {
    background: linear-gradient(135deg, #d97706 0%, #f59e0b 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(245, 158, 11, 0.3);
}

/* Progress Section */
.progress-section {
    text-align: center;
    margin-top: var(--spacing-xl);
}

.progress-container {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    border: 1px solid var(--border-primary);
}

.progress-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-lg);
    color: #f59e0b;
    animation: spin 2s linear infinite;
}

.progress-icon svg {
    width: 100%;
    height: 100%;
    stroke-width: 2;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--bg-secondary);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--spacing-lg);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    border-radius: var(--radius-full);
    transition: width 0.3s ease;
    width: 0%;
}

.progress-text {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.progress-detail {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
}

/* Results Section */
.results-section {
    text-align: center;
    margin-top: var(--spacing-xl);
}

.results-container {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    border: 1px solid var(--border-primary);
}

.success-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    color: var(--success-color);
    background: rgba(16, 185, 129, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.success-icon svg {
    width: 40px;
    height: 40px;
    stroke-width: 2;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.success-message {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.compression-stats {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    border: 1px solid var(--border-primary);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-lg);
}

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

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

.stat-value {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.stat-value.savings {
    color: var(--success-color);
}

.results-actions {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
}

.download-btn {
    padding: var(--spacing-md) var(--spacing-2xl);
    font-size: 1.125rem;
    font-weight: 600;
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    border-color: #f59e0b;
}

.download-btn:hover {
    background: linear-gradient(135deg, #d97706 0%, #f59e0b 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(245, 158, 11, 0.3);
}

.new-compression-btn {
    padding: var(--spacing-md) var(--spacing-2xl);
    font-size: 1.125rem;
    font-weight: 600;
}

/* Features Section */
.features-section {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-primary);
}

.features-container {
    max-width: 1000px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.feature-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    text-align: center;
    border: 1px solid var(--border-primary);
    transition: var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: #f59e0b;
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-lg);
    color: #f59e0b;
}

.feature-icon svg {
    width: 100%;
    height: 100%;
    stroke-width: 1.5;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Responsive Design */
@media (max-width: 768px) {
    .steps-container {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    .steps-container::before {
        display: none;
    }
    
    .upload-area {
        padding: var(--spacing-xl);
    }
    
    .upload-icon {
        width: 60px;
        height: 60px;
    }
    
    .conversion-icon {
        width: 60px;
        height: 60px;
    }
    
    .conversion-icon svg {
        width: 30px;
        height: 30px;
    }
    
    .compression-levels {
        grid-template-columns: 1fr;
    }
    
    .checkbox-group {
        gap: var(--spacing-sm);
    }
    
    .compression-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .results-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .download-btn,
    .new-compression-btn {
        width: 100%;
        max-width: 300px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    .converter-header {
        padding: var(--spacing-xl) 0;
    }
    
    .upload-area {
        padding: var(--spacing-lg);
    }
    
    .upload-title {
        font-size: 1.25rem;
    }
    
    .upload-description {
        font-size: 0.875rem;
    }
    
    .convert-btn {
        padding: var(--spacing-md) var(--spacing-xl);
        font-size: 1.125rem;
        min-width: 200px;
    }
    
    .progress-container,
    .results-container {
        padding: var(--spacing-xl);
    }
    
    .feature-card {
        padding: var(--spacing-lg);
    }
}