/* 存存的主页 - 动画效果文件 */

/* 樱花飘落动画 */
.sakura {
    position: absolute;
    width: 10px;
    height: 10px;
    background: var(--primary-color);
    border-radius: 50% 0 50% 0;
    opacity: 0.8;
    animation: sakuraFall linear infinite;
    pointer-events: none;
}

.sakura::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    width: 6px;
    height: 6px;
    background: rgba(255, 182, 193, 0.6);
    border-radius: 50% 0 50% 0;
    transform: rotate(45deg);
}

@keyframes sakuraFall {
    0% {
        transform: translateY(-100vh) rotate(0deg);
        opacity: 1;
    }
    100% {
        transform: translateY(100vh) rotate(360deg);
        opacity: 0;
    }
}

/* 标题动画 */
.site-title {
    animation: titleGlow 3s ease-in-out infinite alternate;
}

@keyframes titleGlow {
    0% {
        text-shadow: 
            0 0 10px rgba(255, 182, 193, 0.5),
            0 0 20px rgba(255, 182, 193, 0.3),
            0 0 30px rgba(255, 182, 193, 0.1);
    }
    100% {
        text-shadow: 
            0 0 15px rgba(255, 182, 193, 0.8),
            0 0 25px rgba(255, 182, 193, 0.5),
            0 0 35px rgba(255, 182, 193, 0.3);
    }
}

/* 卡片入场动画 */
.card-3d {
    animation: cardSlideIn 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
    opacity: 0;
    transform: translateY(50px);
}

@keyframes cardSlideIn {
    0% {
        opacity: 0;
        transform: translateY(50px) scale(0.9);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* 导航按钮动画 */
.nav-item {
    position: relative;
    overflow: hidden;
}

.nav-item::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 182, 193, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.3s ease;
}

.nav-item:hover::before {
    width: 100%;
    height: 100%;
}

/* 导航图标动画 */
.nav-icon {
    transition: transform 0.3s ease;
}

.nav-item:hover .nav-icon {
    transform: scale(1.2) rotate(10deg);
}

/* 特定图标的特殊动画 */
.nav-item[data-section="websites"]:hover .nav-icon {
    animation: bounce 0.6s ease;
}

.nav-item[data-section="software"]:hover .nav-icon {
    animation: shake 0.6s ease;
}

.nav-item[data-section="notes"]:hover .nav-icon {
    animation: flip 0.6s ease;
}

.nav-item[data-section="portfolio"]:hover .nav-icon {
    animation: colorChange 0.6s ease;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0) scale(1.2);
    }
    40% {
        transform: translateY(-10px) scale(1.2);
    }
    60% {
        transform: translateY(-5px) scale(1.2);
    }
}

@keyframes shake {
    0%, 100% {
        transform: translateX(0) scale(1.2);
    }
    10%, 30%, 50%, 70%, 90% {
        transform: translateX(-5px) scale(1.2);
    }
    20%, 40%, 60%, 80% {
        transform: translateX(5px) scale(1.2);
    }
}

@keyframes flip {
    0% {
        transform: rotateY(0) scale(1.2);
    }
    50% {
        transform: rotateY(180deg) scale(1.2);
    }
    100% {
        transform: rotateY(360deg) scale(1.2);
    }
}

@keyframes colorChange {
    0%, 100% {
        filter: hue-rotate(0deg) scale(1.2);
    }
    25% {
        filter: hue-rotate(90deg) scale(1.2);
    }
    50% {
        filter: hue-rotate(180deg) scale(1.2);
    }
    75% {
        filter: hue-rotate(270deg) scale(1.2);
    }
}

/* 内容区域切换动画 */
.content-section {
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
    transform: translateY(30px);
}

@keyframes fadeInUp {
    0% {
        opacity: 0;
        transform: translateY(30px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 网址卡片动画 */
.website-card {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    animation: cardAppear 0.5s ease forwards;
    opacity: 0;
    transform: scale(0.8);
}

.website-card:nth-child(odd) {
    animation-delay: 0.1s;
}

.website-card:nth-child(even) {
    animation-delay: 0.2s;
}

@keyframes cardAppear {
    0% {
        opacity: 0;
        transform: scale(0.8) rotate(-5deg);
    }
    100% {
        opacity: 1;
        transform: scale(1) rotate(0deg);
    }
}

.website-card:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: 
        0 20px 40px rgba(255, 182, 193, 0.3),
        0 10px 20px rgba(255, 182, 193, 0.2);
}

/* 软件卡片下载动画 */
.download-btn {
    position: relative;
    overflow: hidden;
}

.download-btn::after {
    content: '⬇️';
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    transition: top 0.3s ease;
}

.download-btn:hover::after {
    top: 50%;
    transform: translate(-50%, -50%);
}

/* 笔记时间轴动画 */
.note-item {
    animation: slideInLeft 0.6s ease forwards;
    opacity: 0;
    transform: translateX(-50px);
}

.note-item:nth-child(even) {
    animation: slideInRight 0.6s ease forwards;
    transform: translateX(50px);
}

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

@keyframes slideInRight {
    0% {
        opacity: 0;
        transform: translateX(50px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 作品集瀑布流动画 */
.portfolio-item {
    animation: zoomIn 0.5s ease forwards;
    opacity: 0;
    transform: scale(0);
}

.portfolio-item:hover {
    transform: scale(1.1);
    z-index: 10;
}

@keyframes zoomIn {
    0% {
        opacity: 0;
        transform: scale(0);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

/* 天气小部件动画 */
.weather-widget {
    animation: slideInFromTop 0.8s ease forwards;
    transform: translateY(-100px);
    opacity: 0;
}

@keyframes slideInFromTop {
    0% {
        transform: translateY(-100px);
        opacity: 0;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

/* 访问统计动画 */
.visit-stats {
    animation: slideInFromBottom 0.8s ease forwards;
    transform: translateY(100px);
    opacity: 0;
}

@keyframes slideInFromBottom {
    0% {
        transform: translateY(100px);
        opacity: 0;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

/* 管理员入口动画 */
.admin-link {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 2px 8px rgba(255, 182, 193, 0.1);
    }
    50% {
        box-shadow: 0 4px 16px rgba(255, 182, 193, 0.3);
    }
}

/* 响应式动画调整 */
@media (max-width: 768px) {
    .sakura {
        width: 8px;
        height: 8px;
    }
    
    .title-main {
        font-size: 2.5rem;
    }
    
    .card-3d:hover {
        transform: perspective(1000px) rotateX(1deg) rotateY(-1deg) translateY(-3px);
    }
    
    .nav-item:hover {
        transform: translateX(-3px);
    }
}

/* 减少动画效果（用户偏好） */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .sakura {
        display: none;
    }
}