/**
 * 动画样式定义
 * 文件: animations.css
 * 作者: 灵链
 * 日期: 2026-03-27
 * 说明: 定义所有动画效果，包括淡入、滑入、缩放、旋转、发光等
 */

/* ==================== 基础动画定义 ==================== */

/**
 * 淡入动画
 * 用途: 元素从透明到不透明
 */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/**
 * 淡出动画
 * 用途: 元素从不透明到透明
 */
@keyframes fadeOut {
    from {
        opacity: 1;
    }
    to {
        opacity: 0;
    }
}

/**
 * 从下向上滑入
 * 用途: 元素从底部滑入视口
 */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/**
 * 从上向下滑入
 * 用途: 元素从顶部滑入视口
 */
@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/**
 * 从左向右滑入
 * 用途: 元素从左侧滑入视口
 */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/**
 * 从右向左滑入
 * 用途: 元素从右侧滑入视口
 */
@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/**
 * 缩放进入
 * 用途: 元素从小到大缩放进入
 */
@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/**
 * 缩放退出
 * 用途: 元素从大到小缩放退出
 */
@keyframes scaleOut {
    from {
        opacity: 1;
        transform: scale(1);
    }
    to {
        opacity: 0;
        transform: scale(0.8);
    }
}

/**
 * 旋转进入
 * 用途: 元素旋转进入视口
 */
@keyframes rotateIn {
    from {
        opacity: 0;
        transform: rotate(-180deg) scale(0.8);
    }
    to {
        opacity: 1;
        transform: rotate(0) scale(1);
    }
}

/**
 * 脉冲动画
 * 用途: 元素周期性缩放，产生脉冲效果
 */
@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.9;
    }
}

/**
 * 发光脉冲
 * 用途: 元素周期性发光
 */
@keyframes glowPulse {
    0%, 100% {
        box-shadow: 0 0 10px rgba(0, 243, 255, 0.3);
    }
    50% {
        box-shadow: 0 0 30px rgba(0, 243, 255, 0.8);
    }
}

/**
 * 霓虹闪烁
 * 用途: 霓虹灯闪烁效果
 */
@keyframes neonFlicker {
    0%, 19%, 21%, 23%, 25%, 54%, 56%, 100% {
        text-shadow: 
            0 0 10px rgba(0, 243, 255, 0.8),
            0 0 20px rgba(0, 243, 255, 0.6),
            0 0 30px rgba(0, 243, 255, 0.4);
    }
    20%, 24%, 55% {
        text-shadow: none;
    }
}

/**
 * 边框流动
 * 用途: 边框颜色流动效果
 */
@keyframes borderFlow {
    0% {
        border-color: #00f3ff;
    }
    50% {
        border-color: #ff00ff;
    }
    100% {
        border-color: #00f3ff;
    }
}

/**
 * 渐变流动
 * 用途: 背景渐变流动效果
 */
@keyframes gradientFlow {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/**
 * 波纹扩散
 * 用途: 点击波纹效果
 */
@keyframes ripple {
    from {
        transform: scale(0);
        opacity: 1;
    }
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/**
 * 抖动动画
 * 用途: 元素轻微抖动，吸引注意
 */
@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    10%, 30%, 50%, 70%, 90% {
        transform: translateX(-5px);
    }
    20%, 40%, 60%, 80% {
        transform: translateX(5px);
    }
}

/**
 * 弹跳动画
 * 用途: 元素弹跳效果
 */
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-20px);
    }
    60% {
        transform: translateY(-10px);
    }
}

/**
 * 代码流动效果
 * 用途: 模拟代码从上到下流动
 */
@keyframes codeFlow {
    0% {
        transform: translateY(-100%);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(100%);
        opacity: 0;
    }
}

/* ==================== 滚动触发动画类 ==================== */

/**
 * 默认滚动动画（从下向上淡入）
 */
.scroll-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.scroll-animate.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/**
 * 从左滑入
 */
.scroll-animate-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.scroll-animate-left.is-visible {
    opacity: 1;
    transform: translateX(0);
}

/**
 * 从右滑入
 */
.scroll-animate-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.scroll-animate-right.is-visible {
    opacity: 1;
    transform: translateX(0);
}

/**
 * 缩放进入
 */
.scroll-animate-scale {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.scroll-animate-scale.is-visible {
    opacity: 1;
    transform: scale(1);
}

/* ==================== 悬停动画类 ==================== */

/**
 * 悬停上浮
 */
.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 243, 255, 0.3);
}

/**
 * 悬停发光
 */
.hover-glow {
    transition: box-shadow 0.3s ease;
}

.hover-glow:hover {
    box-shadow: 0 0 20px rgba(0, 243, 255, 0.6);
}

/**
 * 悬停缩放
 */
.hover-scale {
    transition: transform 0.3s ease;
}

.hover-scale:hover {
    transform: scale(1.05);
}

/**
 * 悬停旋转
 */
.hover-rotate {
    transition: transform 0.3s ease;
}

.hover-rotate:hover {
    transform: rotate(5deg);
}

/* ==================== 加载动画 ==================== */

/**
 * 旋转加载器
 */
.loader-spin {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(0, 243, 255, 0.2);
    border-top-color: #00f3ff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/**
 * 脉冲加载器
 */
.loader-pulse {
    width: 40px;
    height: 40px;
    background: #00f3ff;
    border-radius: 50%;
    animation: pulse 1.5s ease-in-out infinite;
}

/**
 * 点点加载器
 */
.loader-dots {
    display: flex;
    gap: 8px;
}

.loader-dots span {
    width: 10px;
    height: 10px;
    background: #00f3ff;
    border-radius: 50%;
    animation: dotBounce 1.4s infinite ease-in-out both;
}

.loader-dots span:nth-child(1) {
    animation-delay: -0.32s;
}

.loader-dots span:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes dotBounce {
    0%, 80%, 100% {
        transform: scale(0);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

/* ==================== 骨架屏动画 ==================== */

/**
 * 骨架屏闪烁效果
 */
.skeleton {
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0.05) 25%,
        rgba(255, 255, 255, 0.1) 50%,
        rgba(255, 255, 255, 0.05) 75%
    );
    background-size: 200% 100%;
    animation: skeletonLoading 1.5s ease-in-out infinite;
}

@keyframes skeletonLoading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* ==================== 波纹效果 ==================== */

/**
 * 波纹容器（需要相对定位）
 */
.ripple-container {
    position: relative;
    overflow: hidden;
}

/**
 * 波纹元素
 */
.ripple-effect {
    position: absolute;
    border-radius: 50%;
    background: rgba(0, 243, 255, 0.5);
    animation: ripple 0.6s ease-out;
    pointer-events: none;
}

/* ==================== 页面加载动画 ==================== */

/**
 * 页面加载遮罩
 */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #0a0e27;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.page-loader.hidden {
    opacity: 0;
    visibility: hidden;
}

/**
 * 加载器内容
 */
.page-loader__content {
    text-align: center;
}

.page-loader__spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(0, 243, 255, 0.2);
    border-top-color: #00f3ff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

.page-loader__text {
    color: #00f3ff;
    font-size: 16px;
    animation: pulse 1.5s ease-in-out infinite;
}

/* ==================== 响应式调整 ==================== */

/**
 * 移动端减少动画时长，提升性能
 */
@media (max-width: 767px) {
    .scroll-animate,
    .scroll-animate-left,
    .scroll-animate-right,
    .scroll-animate-scale {
        transition-duration: 0.4s;
    }
    
    .hover-lift,
    .hover-glow,
    .hover-scale,
    .hover-rotate {
        transition-duration: 0.2s;
    }
}

/**
 * 减少动画模式（用户偏好设置）
 */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}