/* 加载动画样式 */

/* 加载容器 */
#loading-box {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 999999;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: auto; /* 阻止鼠标事件穿透，禁止页面交互 */
}

/* 左右背景 */
#loading-box .loading-left-bg,
#loading-box .loading-right-bg {
    position: fixed;
    z-index: 999998;
    width: 50%;
    height: 100%;
    background: 
        linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #2d2d44 100%);
    transition: all 1.25s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: auto; /* 背景阻止交互 */
}

#loading-box .loading-right-bg {
    right: 0;
    background: 
        linear-gradient(225deg, #1a1a2e 0%, #16213e 50%, #2d2d44 100%);
}

/* 中央旋转容器 */
#loading-box > .spinner-box {
    position: fixed;
    z-index: 999999;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100vh;
    background: 
        radial-gradient(2px 2px at 15% 20%, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 25% 60%, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 35% 40%, rgba(255,255,255,0.5), transparent),
        radial-gradient(2px 2px at 45% 80%, rgba(255,255,255,0.7), transparent),
        radial-gradient(1px 1px at 55% 25%, rgba(255,255,255,0.3), transparent),
        radial-gradient(1px 1px at 65% 65%, rgba(255,255,255,0.5), transparent),
        radial-gradient(2px 2px at 75% 45%, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 85% 75%, rgba(255,255,255,0.4), transparent),
        linear-gradient(180deg, transparent 0%, rgba(30,30,46,0.3) 50%, transparent 100%);
    animation: gentleStars 15s ease-in-out infinite;
    overflow: hidden;
    pointer-events: auto; /* 中央容器阻止交互 */
}

/* 流星效果 */
#loading-box > .spinner-box::before,
#loading-box > .spinner-box::after {
    content: '';
    position: absolute;
    width: 2px;
    height: 2px;
    background: linear-gradient(45deg, rgba(255,255,255,0.8) 0%, transparent 70%);
    border-radius: 50%;
    animation: meteor 4s ease-in-out infinite;
}

#loading-box > .spinner-box::before {
    top: 10%;
    left: 20%;
    animation-delay: 0s;
    box-shadow: 
        0 0 6px rgba(255,255,255,0.8),
        -20px 20px 30px rgba(255,255,255,0.3),
        -40px 40px 50px rgba(255,255,255,0.1);
}

#loading-box > .spinner-box::after {
    top: 30%;
    right: 25%;
    animation-delay: 2s;
    box-shadow: 
        0 0 6px rgba(255,255,255,0.8),
        -15px 15px 25px rgba(255,255,255,0.3),
        -30px 30px 40px rgba(255,255,255,0.1);
}

/* 加载文字 */
#loading-box .spinner-box .loading-word {
    position: absolute;
    color: #ffffff;
    font-size: 1rem;
    transform: translateY(80px);
    text-align: center;
    opacity: 0;
    animation: fadeInUp 1s ease 0.5s forwards, breathe 2s ease-in-out 1.5s infinite;
}

#loading-box .spinner-box .loading-word #loading-text {
    font-weight: 300;
    letter-spacing: 0.5px;
}

/* 标题样式 */
p.loading-title {
    font-size: 1.8rem;
    font-weight: 600;
    color: #ffffff;
    margin: 20px 10px 4px 10px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    opacity: 0;
    animation: fadeInScale 1s ease 0.3s forwards;
}

/* 加载完成后的样式 */
div.loaded {
    pointer-events: none !important; /* 整个加载容器不再阻止交互 */
}

div.loaded div.loading-left-bg {
    transform: translate(-100%, 0);
    opacity: 0;
    pointer-events: none !important;
}

div.loaded div.loading-right-bg {
    transform: translate(100%, 0);
    opacity: 0;
    pointer-events: none !important;
}

div.loaded div.spinner-box {
    opacity: 0 !important;
    visibility: hidden !important;
    display: none !important;
    pointer-events: none !important;
}

div.loaded .loader {
    opacity: 0 !important;
    visibility: hidden !important;
    display: none !important;
}

div.loaded .loading-word {
    opacity: 0 !important;
    visibility: hidden !important;
    display: none !important;
}

div.loaded .loading-word * {
    opacity: 0 !important;
    visibility: hidden !important;
    display: none !important;
}

div.loaded p.loading-title {
    opacity: 0 !important;
    visibility: hidden !important;
    display: none !important;
}

div.loaded #loading-text {
    opacity: 0 !important;
    visibility: hidden !important;
    display: none !important;
}

/* 3D加载器 */
.loader {
    position: absolute;
    width: 80px;
    height: 80px;
    top: calc(50% - 40px);
    left: calc(50% - 40px);
    perspective: 200px;
    transform-style: preserve-3d;
    opacity: 0;
    animation: loaderAppear 1s ease 0.2s forwards;
}

.inner {
    position: absolute;
    box-sizing: border-box;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 3px solid transparent;
}

.inner.one {
    left: 0;
    top: 0;
    animation: rotate-one 2s ease-in-out infinite;
    border-bottom: 3px solid #ffffff;
    border-right: 3px solid rgba(255, 255, 255, 0.3);
}

.inner.two {
    right: 0;
    top: 0;
    animation: rotate-two 2.5s ease-in-out infinite reverse;
    border-right: 3px solid #ffffff;
    border-top: 3px solid rgba(255, 255, 255, 0.3);
}

.inner.three {
    right: 0;
    bottom: 0;
    animation: rotate-three 2s ease-in-out infinite;
    border-top: 3px solid #ffffff;
    border-left: 3px solid rgba(255, 255, 255, 0.3);
}

/* 动画关键帧 */
@keyframes rotate-one {
    0% {
        transform: rotateX(35deg) rotateY(-45deg) rotateZ(0deg);
    }
    50% {
        transform: rotateX(35deg) rotateY(-45deg) rotateZ(180deg);
    }
    100% {
        transform: rotateX(35deg) rotateY(-45deg) rotateZ(360deg);
    }
}

@keyframes rotate-two {
    0% {
        transform: rotateX(50deg) rotateY(10deg) rotateZ(0deg);
    }
    50% {
        transform: rotateX(50deg) rotateY(10deg) rotateZ(180deg);
    }
    100% {
        transform: rotateX(50deg) rotateY(10deg) rotateZ(360deg);
    }
}

@keyframes rotate-three {
    0% {
        transform: rotateX(35deg) rotateY(55deg) rotateZ(0deg);
    }
    50% {
        transform: rotateX(35deg) rotateY(55deg) rotateZ(180deg);
    }
    100% {
        transform: rotateX(35deg) rotateY(55deg) rotateZ(360deg);
    }
}

@keyframes fadeInUp {
    0% {
        opacity: 0;
        transform: translateY(80px);
    }
    100% {
        opacity: 1;
        transform: translateY(80px);
    }
}

@keyframes fadeInScale {
    0% {
        opacity: 0;
        transform: scale(0.8);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes loaderAppear {
    0% {
        opacity: 0;
        transform: scale(0.5) rotateY(90deg);
    }
    100% {
        opacity: 1;
        transform: scale(1) rotateY(0deg);
    }
}

@keyframes breathe {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

@keyframes gentleStars {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

@keyframes meteor {
    0% {
        opacity: 0;
        transform: translateX(0) translateY(0) scale(0);
    }
    10% {
        opacity: 1;
        transform: translateX(0) translateY(0) scale(1);
    }
    90% {
        opacity: 1;
        transform: translateX(200px) translateY(200px) scale(1);
    }
    100% {
        opacity: 0;
        transform: translateX(300px) translateY(300px) scale(0);
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    p.loading-title {
        font-size: 1.5rem;
        margin: 15px 10px 4px 10px;
    }
    
    #loading-box .spinner-box .loading-word {
        font-size: 0.9rem;
    }
    
    .loader {
        width: 60px;
        height: 60px;
        top: calc(50% - 30px);
        left: calc(50% - 30px);
    }
}

@media (max-width: 480px) {
    p.loading-title {
        font-size: 1.3rem;
        margin: 10px 5px 2px 5px;
    }
    
    #loading-box .spinner-box .loading-word {
        font-size: 0.85rem;
        transform: translateY(60px);
    }
    
    .loader {
        width: 50px;
        height: 50px;
        top: calc(50% - 25px);
        left: calc(50% - 25px);
    }
}