/* 意见反馈触发按钮样式 - 慕课网风格 */
/* 首页右侧固定位置的意见反馈按钮 - 慕课网样式 */
.feedback-trigger-section {
    position: fixed;
    right: 0;
    top: 50%;
    transform: translateY(-31px); /* 四个按钮居中显示 */
    z-index: 1000;
    margin: 0;
}

.feedback-trigger-card {
    background: #ffffff;
    border: 1px solid #e5e5e5;
    border-radius: 6px 0 0 6px;
    padding: 12px 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
    color: #666;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 60px;
    min-height: 60px;
    font-size: 12px;
    text-align: center;
    margin-bottom: 1px;
}

.feedback-trigger-card:hover {
    background: #f8f8f8;
    color: #333;
}

.feedback-trigger-card .trigger-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    margin-bottom: 4px;
    color: #666;
    font-size: 16px;
    background: transparent;
}

.feedback-trigger-card .trigger-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.feedback-trigger-card .trigger-content h3 {
    margin: 0;
    font-size: 12px;
    font-weight: normal;
    color: #666;
    line-height: 1;
    white-space: nowrap;
}

.feedback-trigger-card .trigger-content p {
    display: none;
}

/* 暗色主题样式 */
[data-theme="dark"] .feedback-trigger-card {
    background: #2a2a2a;
    border-color: #404040;
    color: #ccc;
}

[data-theme="dark"] .feedback-trigger-card:hover {
    background: #333;
    color: #fff;
}

[data-theme="dark"] .feedback-trigger-card .trigger-icon {
    color: #ccc;
}

[data-theme="dark"] .feedback-trigger-card .trigger-content h3 {
    color: #ccc;
}

[data-theme="dark"] .feedback-trigger-card:hover .trigger-icon,
[data-theme="dark"] .feedback-trigger-card:hover .trigger-content h3 {
    color: #fff;
}

@keyframes shimmer {
    0%, 100% { transform: translateX(-100%); opacity: 0; }
    50% { transform: translateX(100%); opacity: 1; }
}

.feedback-trigger-card:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 40px rgba(66, 133, 244, 0.6), 0 0 30px rgba(135, 206, 250, 0.5);
    border-color: rgba(135, 206, 250, 0.6);
}

.trigger-header {
    display: flex;
    align-items: center;
    position: relative;
    z-index: 2;
    gap: 10px;
}

.trigger-icon {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    flex-shrink: 0;
}

.trigger-icon i {
    font-size: 1.3rem;
    color: #87ceeb;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

@keyframes breathe {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.02); }
}

.trigger-content {
    flex: 1;
    min-width: 0;
}

.trigger-content h3 {
    margin: 0 0 2px 0;
    font-size: 1rem;
    font-weight: 600;
    color: white;
    white-space: nowrap;
}

.trigger-content p {
    margin: 0;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.2;
    white-space: nowrap;
}

/* 隐藏预览和操作区域，简化为浮动按钮 */
.trigger-preview,
.trigger-action {
    display: none;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .feedback-trigger-section {
        right: 20px;
    }
    
    .feedback-trigger-card {
        padding: 12px 16px;
        min-width: 140px;
        gap: 8px;
    }
    
    .trigger-icon {
        width: 35px;
        height: 35px;
    }
    
    .trigger-icon i {
        font-size: 1.1rem;
    }
    
    .trigger-content h3 {
        font-size: 0.9rem;
    }
    
    .trigger-content p {
        font-size: 0.7rem;
    }
}

@media (max-width: 480px) {
    .feedback-trigger-section {
        right: 15px;
    }
    
    .feedback-trigger-card {
        padding: 10px 14px;
        min-width: 120px;
        border-radius: 40px;
    }
    
    .trigger-content h3 {
        font-size: 0.85rem;
    }
    
    .trigger-content p {
        font-size: 0.65rem;
    }
}

/* 深色模式支持 */
@media (prefers-color-scheme: dark) {
    .feedback-trigger-card {
        background: #ffffff;
        box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    }
    
    .feedback-trigger-card:hover {
        box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
    }
    
    @keyframes pulse-glow {
        0% { box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1); }
        100% { box-shadow: 0 12px 35px rgba(0, 0, 0, 0.2); }
    }
}

/* 动画增强 - 移除蓝色动画效果 */
.feedback-trigger-card {
    animation: none;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 点击波纹效果 */
.feedback-trigger-card::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
    pointer-events: none;
}

.feedback-trigger-card:active::after {
    width: 200px;
    height: 200px;
}

/* 加载状态 */
.feedback-trigger-card.loading {
    pointer-events: none;
    opacity: 0.7;
}

.feedback-trigger-card.loading .trigger-icon i {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}