.image-tool-container {
    max-width: 1000px;
    margin: 2rem auto;
    padding: 20px;
    font-family: 'Segoe UI', sans-serif;
}

.glass-card {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 25px;
    margin-bottom: 25px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.18);
}

.upload-section {
    text-align: center;
    margin: 20px 0;
}

.file-input {
    display: none;
}

.upload-label {
    background: linear-gradient(45deg, #2193b0, #6dd5ed);
    color: white;
    padding: 12px 25px;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.2s;
    display: inline-block;
}

.upload-label:hover {
    transform: translateY(-2px);
}

.preview-container {
    margin-top: 20px;
}

.preview-container img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.control-group {
    margin: 25px 0;
}

.size-inputs {
    display: flex;
    gap: 20px;
    margin-bottom: 15px;
}

.dimension-control {
    flex: 1;
}

.input-group {
    position: relative;
    margin: 10px 0;
}

.dimension-input {
    width: 100%;
    padding: 8px 30px 8px 10px;
    border-radius: 6px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    background: rgba(255, 255, 255, 0.9);
}

.px-label {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    color: #666;
    pointer-events: none;
}

.slider-container {
    margin: 15px 0;
}

.slider {
    width: 100%;
    height: 8px;
    border-radius: 5px;
    background: rgba(0, 0, 0, 0.1);
    -webkit-appearance: none;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    background: #2193b0;
    border-radius: 50%;
    cursor: pointer;
}

.quality-select {
    width: 100%;
    padding: 10px;
    border-radius: 8px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    background: rgba(255, 255, 255, 0.9);
}

.download-button {
    background: linear-gradient(45deg, #4CAF50, #45a049);
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 8px;
    width: 100%;
    cursor: pointer;
    font-size: 1.1em;
    transition: transform 0.2s;
}

.error-container {
    color: #ff4444;
    padding: 15px;
    margin: 15px 0;
    border-radius: 8px;
    background: rgba(255, 68, 68, 0.1);
    display: none;
}

@media (max-width: 768px) {
    .image-tool-container {
        padding: 10px;
    }
    
    .glass-card {
        padding: 15px;
    }
    
    .size-inputs {
        flex-direction: column;
        gap: 10px;
    }
}