/* 加载动画 */
.loading-spinner {
    width: 36px;
    height: 36px;
    border: 3px solid rgba(236, 72, 153, 0.2);
    border-top-color: #ec4899;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* 多行文本截断 */
.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 滚动条美化 */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* 输入框自动填充样式覆盖 */
input:-webkit-autofill {
    -webkit-box-shadow: 0 0 0 30px #374151 inset !important;
    -webkit-text-fill-color: white !important;
}

/* 按钮点击反馈 */
button:active:not(:disabled),
a:active {
    transform: scale(0.97);
}

/* 卡片出现动画 */
#result-card {
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}