/* Pixelate Image Styles */
.pixelate-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
}

/* Upload Area */
.upload-area {
    border: 2px dashed #4b5563;
    border-radius: 12px;
    padding: 60px 20px;
    text-align: center;
    background: rgba(255, 255, 255, 0.02);
    transition: all 0.3s ease;
    cursor: pointer;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.upload-area:hover {
    border-color: #10b981;
    background: rgba(16, 185, 129, 0.05);
}

.upload-area.drag-over {
    border-color: #10b981;
    background: rgba(16, 185, 129, 0.1);
    transform: scale(1.02);
}

.upload-content {
    max-width: 400px;
}

.upload-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    opacity: 0.7;
}

.upload-area h3 {
    color: #d1d5db;
    margin-bottom: 10px;
    font-size: 1.2rem;
    font-weight: 600;
}

.upload-area p {
    color: #9ca3af;
    font-size: 0.9rem;
    margin: 0;
}

/* Preview Container */
.preview-container {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 30px;
    margin-top: 20px;
}

/* Controls Panel */
.controls-panel {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 25px;
    height: fit-content;
    position: sticky;
    top: 20px;
}

.controls-panel h3 {
    color: #d1d5db;
    margin-bottom: 25px;
    font-size: 1.1rem;
    font-weight: 600;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 15px;
}

.control-group {
    margin-bottom: 25px;
}

.control-group label {
    display: block;
    color: #9ca3af;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 10px;
}

/* Range Slider */
input[type="range"] {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: #374151;
    outline: none;
    -webkit-appearance: none;
    margin: 10px 0;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #10b981;
    cursor: pointer;
    border: 2px solid #ffffff;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #10b981;
    cursor: pointer;
    border: 2px solid #ffffff;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

.range-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: #6b7280;
    margin-top: 5px;
}

/* Button Group */
.button-group {
    display: flex;
    gap: 10px;
    margin-top: 30px;
}

.btn {
    flex: 1;
    padding: 12px 20px;
    border: none;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    outline: none;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary {
    background-color: #10b981;
    color: white;
}

.btn-primary:hover {
    background-color: #059669;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.btn-secondary {
    background-color: #6b7280;
    color: white;
}

.btn-secondary:hover {
    background-color: #4b5563;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(107, 114, 128, 0.3);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Canvas Container */
.canvas-container {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 400px;
}

#canvas {
    max-width: 100%;
    max-height: 600px;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    background: white;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .preview-container {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .controls-panel {
        position: static;
        order: 2;
    }
    
    .canvas-container {
        order: 1;
    }
}

@media (max-width: 768px) {
    .pixelate-container {
        padding: 15px;
    }
    
    .upload-area {
        padding: 40px 15px;
        min-height: 150px;
    }
    
    .upload-icon {
        font-size: 2.5rem;
    }
    
    .upload-area h3 {
        font-size: 1.1rem;
    }
    
    .controls-panel {
        padding: 20px;
    }
    
    .button-group {
        flex-direction: column;
    }
    
    .canvas-container {
        padding: 15px;
        min-height: 300px;
    }
}

@media (max-width: 480px) {
    .upload-area {
        padding: 30px 10px;
    }
    
    .upload-icon {
        font-size: 2rem;
    }
    
    .upload-area h3 {
        font-size: 1rem;
    }
    
    .upload-area p {
        font-size: 0.8rem;
    }
    
    .controls-panel {
        padding: 15px;
    }
    
    .btn {
        padding: 10px 16px;
        font-size: 0.8rem;
    }
}