/* 复制按钮样式增强 - 简化版 */
.copy-button {
    background: transparent;
    border: none;
    padding: 8px 12px;
    cursor: pointer;
    transition: transform 0.2s ease, color 0.2s ease;
    color: var(--text-color);
}

.copy-button:hover {
    color: var(--primary-color);
}

.copy-button:active {
    transform: scale(0.95);
}

/* 移除波纹动画效果，该效果在低性能设备上可能导致卡顿 */

/* 关闭按钮样式增强 */
.close-button {
    background: transparent;
    border: 1px solid rgba(204, 204, 204, 0.5);
    border-radius: 8px;
    padding: 8px 16px;
    margin-top: 12px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
    color: var(--text-color);
    display: block;
    width: 100%;
    font-weight: 500;
    position: relative;
    overflow: hidden;
}

.close-button:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.3);
}

.close-button:active {
    transform: translateY(0);
    box-shadow: 0 2px 6px rgba(0, 123, 255, 0.2);
}

/* 主题切换按钮样式增强 - 简化版 */
.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--card-bg);
    /* 移除模糊滤镜，提高性能 */
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-light);
    z-index: 100;
    transition: transform 0.2s ease, color 0.2s ease;
    color: var(--text-color);
}

.theme-toggle:hover {
    transform: scale(1.05);
    color: var(--primary-color);
}

.theme-toggle:active {
    transform: scale(0.95);
}

/* 添加简化的页面过渡动画 */
@keyframes simpleFadeIn {
    0% { opacity: 0; }
    100% { opacity: 1; }
}

.container {
    animation: simpleFadeIn 0.5s ease;
}

/* 添加简化的内容载入类 */
.content-fade-in {
    opacity: 0;
    transition: opacity 0.5s ease;
}

.content-fade-in.visible {
    opacity: 1;
}

/* 移除脉冲动画，阴影动画和滚动指示器，这些会导致性能问题 */