/* 主题切换器样式 */
.theme-switcher {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: var(--color-background-card);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 10px;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    transition: all 0.3s ease;
}

.theme-switcher:hover {
    transform: translateY(-5px);
}

.switcher-title {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: 8px;
    text-align: center;
}

.theme-options {
    display: flex;
    gap: 8px;
}

.theme-option {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    border: 2px solid transparent;
    transition: all 0.2s ease;
}

.theme-option:hover {
    transform: scale(1.1);
}

.theme-option.active {
    border-color: var(--color-primary);
}

/* 主题样式预览 */
.theme-option.coffee {
    background-color: #8b4513;
    color: white;
}

.theme-option.ocean {
    background-color: #0277bd;
    color: white;
}

.theme-option.forest {
    background-color: #2e7d32;
    color: white;
}

.theme-option.berry {
    background-color: #7b1fa2;
    color: white;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .theme-switcher {
        bottom: 10px;
        right: 10px;
        padding: 8px;
    }
    
    .theme-options {
        gap: 6px;
    }
    
    .theme-option {
        width: 25px;
        height: 25px;
        font-size: 14px;
    }
}