/* CSS Opacity Previewer Styles */
.opacity-previewer {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: #f8f9fa;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.opacity-previewer h2 {
    color: #2c3e50;
    margin-bottom: 20px;
    font-weight: 600;
    border-bottom: 1px solid #eaeaea;
    padding-bottom: 10px;
}

.opacity-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 30px;
}

.opacity-slider-container {
    flex: 1;
    min-width: 250px;
}

.opacity-slider-container label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #495057;
}

.opacity-slider {
    width: 100%;
    height: 8px;
    -webkit-appearance: none;
    appearance: none;
    background: linear-gradient(to right, #dee2e6, #adb5bd);
    border-radius: 4px;
    outline: none;
    margin-bottom: 10px;
}

.opacity-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #3498db;
    cursor: pointer;
    transition: all 0.2s ease;
}

.opacity-slider::-webkit-slider-thumb:hover {
    background: #2980b9;
    transform: scale(1.1);
}

.opacity-value-display {
    display: flex;
    align-items: center;
    gap: 10px;
}

.opacity-value {
    font-weight: 600;
    color: #2c3e50;
    min-width: 40px;
}

.color-picker-container {
    flex: 1;
    min-width: 250px;
}

.color-picker-container label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #495057;
}

.color-input {
    width: 100%;
    padding: 8px;
    border: 1px solid #ced4da;
    border-radius: 4px;
    background-color: white;
    cursor: pointer;
}

.preview-area {
    border: 1px solid #dee2e6;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
    background-color: white;
    position: relative;
    overflow: hidden;
}

.preview-box {
    width: 100%;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all 0.3s ease;
    position: relative;
}

.preview-text {
    font-size: 18px;
    font-weight: 500;
    color: #343a40;
    text-align: center;
    z-index: 1;
}

.checkerboard-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(45deg, #e0e0e0 25%, transparent 25%),
        linear-gradient(-45deg, #e0e0e0 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #e0e0e0 75%),
        linear-gradient(-45deg, transparent 75%, #e0e0e0 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
}

.code-output {
    margin-top: 30px;
}

.code-output h3 {
    color: #2c3e50;
    margin-bottom: 15px;
    font-weight: 600;
}

.code-block {
    background-color: #f8f9fa;
    border: 1px solid #eaeaea;
    border-radius: 6px;
    padding: 15px;
    font-family: 'Courier New', Courier, monospace;
    white-space: pre-wrap;
    word-wrap: break-word;
    position: relative;
}

.copy-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background-color: #3498db;
    color: white;
    border: none;
    border-radius: 4px;
    padding: 5px 10px;
    cursor: pointer;
    font-size: 12px;
    transition: background-color 0.2s;
}

.copy-btn:hover {
    background-color: #2980b9;
}

.copy-btn:active {
    transform: translateY(1px);
}

.tooltip {
    position: absolute;
    top: -30px;
    right: 0;
    background-color: #333;
    color: white;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 12px;
    opacity: 0;
    transition: opacity 0.3s;
}

.copy-btn:hover .tooltip {
    opacity: 1;
}

@media (max-width: 768px) {
    .opacity-controls {
        flex-direction: column;
    }
    
    .opacity-slider-container,
    .color-picker-container {
        min-width: 100%;
    }
}