/* Image Compressor Tool Styles */

.upload-area {
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    background: var(--bg-secondary);
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

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

.upload-area.dragover {
    border-color: var(--primary-color);
    background: var(--bg-tertiary);
    transform: scale(1.02);
}

.upload-content {
    pointer-events: none;
}

.upload-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.6;
}

.upload-area h3 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 600;
}

.upload-area p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

/* Upload Progress Styles */
.upload-progress {
    padding: 2rem;
}

.upload-progress .upload-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.8;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.8; }
    50% { opacity: 1; }
}

.upload-files-list {
    background: var(--bg-card);
    border-radius: 8px;
    padding: 1rem;
    margin: 1rem 0;
    max-height: 200px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
}

.upload-file-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.upload-file-item:last-child {
    border-bottom: none;
}

.file-name {
    font-weight: 500;
    color: var(--text-primary);
    flex: 1;
    text-align: left;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-right: 1rem;
}

.file-size {
    color: var(--text-secondary);
    font-size: 0.9rem;
    min-width: 60px;
    text-align: right;
}

.upload-status {
    color: var(--success-color);
    font-weight: 600;
    margin-top: 1rem;
}

.upload-options {
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--bg-card);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    align-items: end;
}

.option-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.quality-slider {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.slider {
    flex: 1;
    height: 6px;
    border-radius: 3px;
    background: var(--border-color);
    outline: none;
    -webkit-appearance: none;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.quality-value {
    min-width: 50px;
    text-align: center;
    font-weight: 600;
    color: var(--primary-color);
    font-size: 1.1rem;
}

.resize-options {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.resize-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.resize-controls input[type="number"] {
    width: 80px;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--bg-card);
    color: var(--text-primary);
}

.processing-list {
    margin-bottom: 2rem;
}

.processing-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 8px;
    margin-bottom: 1rem;
    border: 1px solid var(--border-color);
}

.processing-thumbnail {
    width: 60px;
    height: 60px;
    border-radius: 6px;
    object-fit: cover;
    border: 1px solid var(--border-color);
}

.processing-info {
    flex: 1;
}

.processing-name {
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.processing-details {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.processing-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.processing-status.processing {
    color: var(--primary-color);
}

.processing-status.completed {
    color: var(--success-color);
}

.processing-status.error {
    color: var(--error-color);
}

.spinner {
    width: 16px;
    height: 16px;
    border: 2px solid var(--border-color);
    border-top: 2px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.batch-progress {
    background: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 1rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--info-color));
    border-radius: 4px;
    transition: width 0.3s ease;
    width: 0%;
}

.progress-text {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.results-summary {
    margin-bottom: 2rem;
}

.summary-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-item {
    text-align: center;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.results-list {
    margin-bottom: 2rem;
}

.result-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-card);
    border-radius: 8px;
    margin-bottom: 1rem;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

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

.result-thumbnail {
    width: 80px;
    height: 80px;
    border-radius: 6px;
    object-fit: cover;
    border: 1px solid var(--border-color);
}

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

.result-name {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    word-break: break-word;
}

.result-stats {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.compression-ratio {
    font-weight: 600;
    font-size: 0.9rem;
}

.compression-ratio.positive {
    color: var(--success-color);
}

.compression-ratio.negative {
    color: var(--error-color);
}

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

.action-btn {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    background: var(--primary-color);
    color: white;
}

.action-btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

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

.action-btn.secondary:hover {
    background: var(--bg-tertiary);
}

.batch-actions {
    text-align: center;
    padding: 1.5rem;
    background: var(--bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.comparison-container {
    min-height: 300px;
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
}

.comparison-placeholder {
    text-align: center;
    color: var(--text-secondary);
    padding: 3rem 1rem;
}

.comparison-view {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 1.5rem;
}

.comparison-side {
    text-align: center;
}

.comparison-image {
    width: 100%;
    max-width: 300px;
    height: auto;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    margin: 1rem 0;
}

.comparison-title {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.comparison-details {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.comparison-stats {
    display: flex;
    justify-content: center;
    gap: 2rem;
    padding: 1rem;
    background: var(--bg-card);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.stat-comparison {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color);
}

.presets-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
}

.preset-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}

.preset-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.preset-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.preset-card h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.preset-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.preset-details {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.format-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
}

.format-card h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.format-specs {
    display: grid;
    gap: 0.5rem;
}

.format-specs p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0;
}

.system-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
}

.system-info {
    display: grid;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.conversion-steps {
    display: grid;
    gap: 1rem;
}

.conversion-steps > div {
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 6px;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.formats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .upload-area {
        padding: 2rem 1rem;
    }

    .options-grid {
        grid-template-columns: 1fr;
    }

    .quality-slider {
        flex-direction: column;
        gap: 0.5rem;
    }

    .result-item {
        flex-direction: column;
        text-align: center;
    }

    .result-stats {
        text-align: center;
    }

    .result-actions {
        justify-content: center;
    }

    .comparison-view {
        grid-template-columns: 1fr;
    }

    .presets-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }

    .summary-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .info-grid,
    .benefits-grid,
    .formats-grid,
    .tips-grid {
        grid-template-columns: 1fr;
    }

    .comparison-stats {
        flex-direction: column;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .upload-area {
        padding: 1.5rem 0.75rem;
    }

    .upload-icon {
        font-size: 2.5rem;
    }

    .resize-controls {
        flex-wrap: wrap;
    }

    .resize-controls input[type="number"] {
        width: 70px;
    }

    .processing-item {
        flex-direction: column;
        text-align: center;
    }

    .batch-actions {
        padding: 1rem;
    }

    .summary-stats {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .upload-files-list {
        max-height: 150px;
    }

    .upload-file-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.25rem;
    }

    .file-size {
        text-align: left;
    }
}

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

.dark-mode .upload-area:hover {
    background: var(--bg-secondary);
}

.dark-mode .upload-options {
    background: var(--bg-secondary);
}

.dark-mode .processing-item {
    background: var(--bg-tertiary);
}

.dark-mode .batch-progress {
    background: var(--bg-tertiary);
}

.dark-mode .stat-item {
    background: var(--bg-tertiary);
}

.dark-mode .result-item {
    background: var(--bg-secondary);
}

.dark-mode .preset-card {
    background: var(--bg-secondary);
}

.dark-mode .format-card {
    background: var(--bg-secondary);
}

.dark-mode .format-specs {
    background: var(--bg-tertiary);
}

.dark-mode .comparison-container {
    background: var(--bg-tertiary);
}