@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;700&display=swap');

:root {
    --primary-color: #00f7ff;
    --secondary-color: #7b2ff7;
    --background-color: #0a0a1a;
    --text-color: #ffffff;
    --glow-color: rgba(0, 247, 255, 0.5);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Orbitron', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
}

/* 背景效果 */
.stars, .twinkling {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.stars {
    background: #000 url('data:image/png;base64,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') repeat top center;
}

.twinkling {
    background: transparent url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAZAAAAGQBAMAAABykSv/AAAAG1BMVEUAAAD///8fHx8/Pz9fX1+fn5+/v7/f39////9Tp+HfAAAACXBIWXMAAAsTAAALEwEAmpwYAAAF0WlUWHRYTUw6Y29tLmFkb2JlLnhtcAAAAAAAPD94cGFja2V0IGJlZ2luPSLvu78iIGlkPSJXNU0wTXBDZWhpSHpyZVN6TlRjemtjOWQiPz4gPHg6eG1wbWV0YSB4bWxuczp4PSJhZG9iZTpuczptZXRhLyIgeDp4bXB0az0iQWRvYmUgWE1QIENvcmUgNS42LWMxNDUgNzkuMTYzNDk5LCAyMDE4LzA4LzEzLTE2OjQwOjIyICAgICAgICAiPiA8cmRmOlJERiB4bWxuczpyZGY9Imh0dHA6Ly93d3cudzMub3JnLzE5OTkvMDIvMjItcmRmLXN5bnRheC1ucyMiPiA8cmRmOkRlc2NyaXB0aW9uIHJkZjphYm91dD0iIiB4bWxuczp4bXA9Imh0dHA6Ly9ucy5hZG9iZS5jb20veGFwLzEuMC8iIHhtbG5zOmRjPSJodHRwOi8vcHVybC5vcmcvZGMvZWxlbWVudHMvMS4xLyIgeG1sbnM6cGhvdG9zaG9wPSJodHRwOi8vbnMuYWRvYmUuY29tL3Bob3Rvc2hvcC8xLjAvIiB4bWxuczp4bXBNTT0iaHR0cDovL25zLmFkb2JlLmNvbS94YXAvMS4wL21tLyIgeG1sbnM6c3RFdnQ9Imh0dHA6Ly9ucy5hZG9iZS5jb20veGFwLzEuMC9zVHlwZS9SZXNvdXJjZUV2ZW50IyIgeG1wOkNyZWF0b3JUb29sPSJBZG9iZSBQaG90b3Nob3AgQ0MgMjAxOSAoV2luZG93cykiIHhtcDpDcmVhdGVEYXRlPSIyMDI0LTAzLTE1VDEyOjAwOjAwKzA4OjAwIiB4bXA6TW9kaWZ5RGF0ZT0iMjAyNC0wMy0xNVQxMjowMTowMCswODowMCIgeG1wOk1ldGFkYXRhRGF0ZT0iMjAyNC0wMy0xNVQxMjowMTowMCswODowMCIgZGM6Zm9ybWF0PSJpbWFnZS9wbmciIHBob3Rvc2hvcDpDb2xvck1vZGU9IjMiIHBob3Rvc2hvcDpJQ0NQcm9maWxlPSJzUkdCIElFQzYxOTY2LTIuMSIgeG1wTU06SW5zdGFuY2VJRD0ieG1wLmlpZDowZWNiYjM5ZC1jYzM1LTRkNGQtOWM5ZC1mYzM5ZjM5ZjM5ZjMiIHhtcE1NOkRvY3VtZW50SUQ9InhtcC5kaWQ6MGVjYmIzOWQtY2MzNS00ZDRkLTljOWQtZmMzOWYzOWYzOWYzIiB4bXBNTTpPcmlnaW5hbERvY3VtZW50SUQ9InhtcC5kaWQ6MGVjYmIzOWQtY2MzNS00ZDRkLTljOWQtZmMzOWYzOWYzOWYzIj4gPHhtcE1NOkhpc3Rvcnk+IDxyZGY6U2VxPiA8cmRmOmxpIHN0RXZ0OmFjdGlvbj0iY3JlYXRlZCIgc3RFdnQ6aW5zdGFuY2VJRD0ieG1wLmlpZDowZWNiYjM5ZC1jYzM1LTRkNGQtOWM5ZC1mYzM5ZjM5ZjM5ZjMiIHN0RXZ0OndoZW49IjIwMjQtMDMtMTVUMTI6MDA6MDArMDg6MDAiIHN0RXZ0OnNvZnR3YXJlQWdlbnQ9IkFkb2JlIFBob3Rvc2hvcCBDQyAyMDE5IChXaW5kb3dzKSIvPiA8L3JkZjpTZXE+IDwveG1wTU06SGlzdG9yeT4gPC9yZGY6RGVzY3JpcHRpb24+IDwvcmRmOlJERj4gPC94OnhtcG1ldGE+IDw/eHBhY2tldCBlbmQ9InIiPz4B//79/Pv6+fj39vX08/Lx8O/u7ezr6uno5+bl5OPi4eDf3t3c29rZ2NfW1dTT0tHQz87NzMvKycjHxsXEw8LBwL++vby7urm4t7a1tLOysbCvrq2sq6qpqKempaSjoqGgn56dnJuamZiXlpWUk5KRkI+OjYyLiomIh4aFhIOCgYB/fn18e3p5eHd2dXRzcnFwb25tbGtqaWhnZmVkY2JhYF9eXVxbWllYV1ZVVFNSUVBPTk1MS0pJSEdGRURDQkFAPz49PDs6OTg3NjU0MzIxMC8uLSwrKikoJyYlJCMiISAfHh0cGxoZGBcWFRQTEhEQDw4NDAsKCQgHBgUEAwIBAAAh+QQBAAAAACwAAAAAAwADAAACBZQjmIAFADs=') repeat top center;
    animation: move-twink-back 200s linear infinite;
}

@keyframes move-twink-back {
    from {background-position: 0 0;}
    to {background-position: -10000px 5000px;}
}

/* 登录容器 */
.auth-container {
    width: 100%;
    max-width: 1200px;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    position: relative;
    z-index: 1;
    margin: 0 auto;
}

.auth-form-container {
    background: rgba(10, 10, 26, 0.8);
    border: 1px solid var(--primary-color);
    border-radius: 15px;
    padding: 2rem;
    width: 100%;
    max-width: 500px;
    box-shadow: 0 0 20px var(--glow-color);
    position: absolute !important;
    overflow: hidden;
    margin: 0 auto;
}

.auth-form-container::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent,
        rgba(0, 247, 255, 0.1),
        transparent
    );
    transform: rotate(45deg);
    animation: border-glow 3s linear infinite;
}

@keyframes border-glow {
    0% { transform: rotate(45deg) translateY(-100%); }
    100% { transform: rotate(45deg) translateY(100%); }
}

/* 标签页 */
.auth-tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 2rem;
    border-bottom: 1px solid rgba(0, 247, 255, 0.2);
}
.auth-title {
    display: flex;
    justify-content: center;
    margin-bottom: 2rem;
    /* border-bottom: 1px solid rgba(0, 247, 255, 0.2); */
}
.auth-title a{

    color: antiquewhite;
    font-size: larger;
}
.auth-title a:hover{

    color: rgb(212, 127, 15);
    /* font-size: larger; */
    scale: 1.05;
    /* transition: all 0.2s ease; */
}

.auth-tab {
    padding: 1rem 2rem;
    color: var(--text-color);
    text-decoration: none;
    position: relative;
    transition: all 0.3s ease;
}


.auth-tab.active {
    color: var(--primary-color);
}

.auth-tab.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary-color);
    box-shadow: 0 0 10px var(--glow-color);
}

/* 表单样式 */
.auth-form {
    display: none;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
    width: 100%;
}

.auth-form.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.form-group {
    margin-bottom: 1.5rem;
    width: 100%;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-color);
    font-size: 0.9rem;
}

.form-group input {
    width: 100%;
    padding: 0.8rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(0, 247, 255, 0.3);
    border-radius: 5px;
    color: var(--text-color);
    font-family: 'Orbitron', sans-serif;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 10px var(--glow-color);
}

.submit-btn {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    border: none;
    border-radius: 5px;
    color: var(--text-color);
    font-family: 'Orbitron', sans-serif;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.submit-btn::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent,
        rgba(255, 255, 255, 0.1),
        transparent
    );
    transform: rotate(45deg);
    animation: button-glow 3s linear infinite;
}

@keyframes button-glow {
    0% { transform: rotate(45deg) translateY(-100%); }
    100% { transform: rotate(45deg) translateY(100%); }
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 20px var(--glow-color);
}

.forgot-password {
    display: block;
    text-align: center;
    margin-top: 1rem;
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.forgot-password:hover {
    color: var(--primary-color);
    text-shadow: 0 0 10px var(--glow-color);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .auth-container {
        padding: 1rem;
        width: 100%;
    }

    .auth-form-container {
        padding: 1.5rem;
        width: 90%;
        max-width: none;
    }

    .auth-tab {
        padding: 0.8rem 1.5rem;
    }

    .form-group input {
        padding: 0.6rem;
    }

    .submit-btn {
        padding: 0.8rem;
    }
}

@media (max-width: 480px) {
    .auth-container {
        padding: 0.5rem;
    }

    .auth-form-container {
        padding: 1rem;
        width: 95%;
    }

    .auth-tab {
        padding: 0.6rem 1rem;
        font-size: 0.9rem;
    }
}