/* Image Upscaler Tool Styles */
.tool-section {
    padding: 4rem 2rem;
    background-color: var(--background-color);
}

.tool-container {
    max-width: 1280px;
    margin: 0 auto;
    background-color: var(--card-bg);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
}

/* Tool Header */
.tool-header {
    text-align: center;
    padding: 2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border-radius: 16px 16px 0 0;
}

.tool-header h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.tool-header p {
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* Upload Area */
.upload-card {
    padding: 2rem;
}

.drop-area {
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    background-color: var(--hover-bg);
    cursor: pointer;
    transition: all var(--transition-normal) var(--animation-timing);
}

.drop-area:hover {
    border-color: var(--primary-color);
    background-color: rgba(99, 102, 241, 0.05);
}

.drop-area.highlight {
    border-color: var(--primary-color);
    background-color: rgba(99, 102, 241, 0.1);
}

.drop-area i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.drop-area p {
    font-size: 1.125rem;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.drop-area small {
    color: var(--text-light);
}

/* Preview and Settings Container */
.preview-settings {
    display: none;
    gap: 2rem;
    margin-top: 2rem;
}

.preview-container {
    flex: 1;
}

.preview-container h3,
.settings-container h3 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    color: var(--text-color);
}

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

.image-preview img {
    max-width: 100%;
    height: auto;
    display: block;
}

.image-info {

    bottom: 0;
    left: 0;
    right: 0;
    padding: 0.75rem;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    color: white;
    font-size: 0.875rem;
    display: flex;
    justify-content: space-between;
}

/* Settings Area */
.settings-container {
    flex: 1;
    background-color: var(--hover-bg);
    padding: 1.5rem;
    border-radius: 12px;
}

.settings-group {
    margin-bottom: 1.5rem;
}

.settings-group label {
    display: block;
    margin-bottom: 0.75rem;
    font-weight: 500;
    color: var(--text-color);
}

/* Scale Options */
.scale-options {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
}

.scale-btn {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--card-bg);
    color: var(--text-color);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal) var(--animation-timing);
}

.scale-btn:hover {
    border-color: var(--primary-color);
    background-color: rgba(99, 102, 241, 0.05);
}

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

/* Custom Dimensions */
.dimension-inputs {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.dimension-inputs input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
}

.dimension-inputs button {
    width: 36px;
    height: 36px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--card-bg);
    color: var(--text-color);
    cursor: pointer;
    transition: all var(--transition-normal) var(--animation-timing);
}

.dimension-inputs button.active {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

/* Quality Slider */
.quality-options {
    padding: 0 0.5rem;
}

.quality-options input[type="range"] {
    width: 100%;
    margin-bottom: 0.5rem;
}

.quality-labels {
    display: flex;
    justify-content: space-between;
    color: var(--text-light);
    font-size: 0.875rem;
}

/* Output Format */
select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--card-bg);
    font-size: 1rem;
    color: var(--text-color);
}

/* Process Button */
.process-btn {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    transition: all var(--transition-normal) var(--animation-timing);
}

.process-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Result Area */
.result-area {
    margin-top: 2rem;
    text-align: center;
}

.result-area h3 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    color: var(--text-color);
}

.result-image-container {
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    position: relative;
}

.result-image-container img {
    max-width: 100%;
    height: auto;
    display: block;
}

.result-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.result-actions .btn-primary,
.result-actions .btn-secondary {
    padding: 0.875rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    transition: all var(--transition-normal) var(--animation-timing);
}

.result-actions .btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
}

.result-actions .btn-secondary {
    background-color: var(--hover-bg);
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

.result-actions .btn-primary:hover,
.result-actions .btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal) var(--animation-timing);
}

.loading-overlay.active {
    opacity: 1;
    visibility: visible;
}

.progress-ring {
    position: relative;
    width: 120px;
    height: 120px;
    margin-bottom: 1.5rem;
}

.progress-ring__circle {
    stroke: var(--primary-color);
    stroke-width: 4;
    fill: transparent;
    transform: rotate(-90deg);
    transform-origin: center;
    transition: stroke-dashoffset 0.3s;
}

.progress-ring__background {
    stroke: rgba(255, 255, 255, 0.1);
    stroke-width: 4;
    fill: transparent;
}

.percentage {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 1.5rem;
    font-weight: bold;
}

.loader-content {
    text-align: center;
    color: white;
}

.loader-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.processing-status {
    color: var(--secondary-color);
    font-size: 1rem;
}

/* Responsive Design */
@media (max-width: 992px) {
    .preview-settings {
        flex-direction: column;
    }
    
    .settings-container {
        margin-top: 1.5rem;
    }
}

@media (max-width: 768px) {
    .tool-section {
        padding: 2rem 1rem;
    }
    
    .tool-header h2 {
        font-size: 1.75rem;
    }
    
    .upload-card {
        padding: 1.5rem;
    }
    
    .drop-area {
        padding: 2rem 1rem;
    }
    
    .scale-options {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .dimension-inputs {
        flex-wrap: wrap;
    }
    
    .dimension-inputs input {
        flex: 1;
    }
    
    .result-actions {
        flex-direction: column;
    }
    
    .result-actions .btn-primary,
    .result-actions .btn-secondary {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .tool-header h2 {
        font-size: 1.5rem;
    }
    
    .drop-area i {
        font-size: 2.5rem;
    }
    
    .drop-area p {
        font-size: 1rem;
    }
    
    .scale-options {
        grid-template-columns: 1fr;
    }
}