/* ── WebP转换工具样式 ── */
.wc-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}
.wc-title {
    text-align: center;
    color: #333;
    margin-bottom: 30px;
    font-size: 28px;
    font-weight: bold;
}
.wc-upload-area {
    border: 2px dashed #ccc;
    border-radius: 10px;
    padding: 40px;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.3s;
    margin-bottom: 20px;
    background-color: #f9f9f9;
}
.wc-upload-area:hover {
    border-color: #4CAF50;
    background-color: #f0f9f0;
}
.wc-upload-area.dragover {
    border-color: #2196F3;
    background-color: #e3f2fd;
    transform: scale(1.02);
}
.wc-upload-icon {
    font-size: 48px;
    margin-bottom: 16px;
    color: #4CAF50;
}
.wc-upload-text {
    font-size: 18px;
    font-weight: 600;
    margin: 0 0 8px 0;
    color: #333;
}
.wc-upload-hint {
    font-size: 14px;
    color: #666;
    margin: 0;
}
#wc-file-input {
    display: none;
}
.wc-controls {
    margin-bottom: 24px;
}
.wc-control-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}
.wc-control-row label {
    font-weight: 500;
    color: #333;
    display: flex;
    align-items: center;
    gap: 8px;
}
.wc-quality-badge {
    background: #4CAF50;
    color: white;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
}
#wc-quality {
    flex: 1;
    max-width: 300px;
    height: 6px;
    border-radius: 3px;
    background: #ddd;
    outline: none;
    -webkit-appearance: none;
}
#wc-quality::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #4CAF50;
    cursor: pointer;
    border: 2px solid white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}
.wc-convert-btn {
    background: #4CAF50;
    color: white;
    border: none;
    border-radius: 8px;
    padding: 12px 32px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: block;
    width: 100%;
}
.wc-convert-btn:hover {
    background: #45a049;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(76, 175, 80, 0.3);
}
.wc-status {
    margin: 20px 0;
    padding: 12px 16px;
    border-radius: 8px;
    font-weight: 500;
    display: none;
}
.wc-status-info {
    background: #e3f2fd;
    border: 1px solid #bbdefb;
    color: #1565c0;
}
.wc-status-success {
    background: #e8f5e9;
    border: 1px solid #c8e6c9;
    color: #2e7d32;
}
.wc-status-error {
    background: #ffebee;
    border: 1px solid #ffcdd2;
    color: #c62828;
}
.wc-preview-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin: 24px 0;
}
.wc-preview-item h4 {
    font-size: 18px;
    font-weight: 600;
    margin: 0 0 16px 0;
    color: #333;
}
.wc-preview-image {
    background: #f5f5f5;
    border-radius: 8px;
    padding: 16px;
    text-align: center;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.wc-preview-image img {
    max-width: 100%;
    max-height: 300px;
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}
.wc-preview-info {
    margin-top: 12px;
    font-size: 14px;
    color: #666;
}
.wc-preview-info p {
    margin: 6px 0;
}
.wc-actions {
    margin-top: 24px;
}
.wc-download-btn {
    background: #2196F3;
    color: white;
    border: none;
    border-radius: 8px;
    padding: 12px 32px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: block;
    width: 100%;
}
.wc-download-btn:hover {
    background: #1976D2;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(33, 150, 243, 0.3);
}
.wc-info-box {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border: 1px solid #bae6fd;
    border-radius: 2;
    padding: 10px 14px;
    margin-bottom: 32px;
    color: #0369a1;
}
.wc-info-box h3 {
    margin-top: 0;
    margin-bottom: 2px;
    font-size: 18px;
    font-weight: 600;
}
.wc-info-box ul {
    margin: 12px 0 0 0;
    padding-left: 20px;
}
.wc-info-box li {
    margin-bottom: 6px;
}
/* 暗色模式适配 */
@media (prefers-color-scheme: dark) {
    .wc-container {
        background: #1f2937;
        color: #f9fafb;
    }
    
    .wc-title {
        color: #f9fafb;
    }
    
    .wc-upload-area {
        background-color: #374151;
        border-color: #4b5563;
    }
    
    .wc-upload-area:hover {
        border-color: #10b981;
        background-color: #064e3b;
    }
    
    .wc-upload-text {
        color: #f9fafb;
    }
    
    .wc-upload-hint {
        color: #9ca3af;
    }
    
    .wc-control-row label {
        color: #f9fafb;
    }
    
    .wc-preview-item h4 {
        color: #f9fafb;
    }
    
    .wc-preview-image {
        background: #374151;
    }
    
    .wc-preview-info {
        color: #d1d5db;
    }
    
    .wc-info-box {
        background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
        border-color: #3b82f6;
        color: #93c5fd;
    }
}
/* 移动端适配 */
@media (max-width: 768px) {
    .wc-preview-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .wc-container {
        padding: 16px;
    }
    
    .wc-upload-area {
        padding: 30px 16px;
    }
    
    .wc-title {
        font-size: 24px;
    }
}