/**
 * Login Page Styles - 主题自适应版
 * 登录页面将根据系统主题自动切换样式
 */

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    /* 使用主题背景 */
    background: var(--color-bg-deep);
    background-attachment: fixed;
    background-size: cover;
    font-family: var(--font-sans);
}

.login-box {
    width: 100%;
    max-width: 380px;
    z-index: 10;
    animation: fadeInUp 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo {
    font-size: 56px;
    margin-bottom: 16px;
    /* filter: drop-shadow(0 0 20px var(--color-primary-glow)); */
    animation: float 6s ease-in-out infinite;
}

.login-logo-img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    /* border-radius: 20px; */
    /* box-shadow: 0 8px 32px rgba(59, 130, 246, 0.4); */
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

.login-title {
    font-size: 26px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--color-text-primary);
    letter-spacing: -0.5px;
}

/* 渐变文字效果 - 使用主题强调色 */
.login-title.gradient-text {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-hover) 50%, var(--color-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-subtitle {
    color: var(--color-text-secondary);
    font-size: 14px;
    font-weight: 400;
}

/* 毛玻璃卡片 - 主题自适应 */
.login-form .card {
    padding: 32px;
    background: var(--color-bg-primary);
    backdrop-filter: blur(30px) saturate(180%);
    -webkit-backdrop-filter: blur(30px) saturate(180%);
    border: 1px solid var(--color-border);
    border-radius: 18px;
    box-shadow: var(--shadow-lg);
}

/* 登录页表单标签 */
.login-form .form-label {
    display: block;
    color: var(--color-text-secondary);
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 8px;
    margin-left: 2px;
}

/* 登录页输入框 */
.login-form .form-input {
    width: 100%;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
    font-size: 14px;
    padding: 12px 14px;
    border-radius: 10px;
    transition: all 0.2s ease;
    outline: none;
}

.login-form .form-input:focus {
    background: var(--color-bg-tertiary);
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-glow);
}

.login-form .form-input::placeholder {
    color: var(--color-text-tertiary);
    opacity: 1;
}

/* 跨浏览器兼容 */
.login-form .form-input::-webkit-input-placeholder {
    color: var(--color-text-tertiary);
    opacity: 1;
}

.login-form .form-input::-moz-placeholder {
    color: var(--color-text-tertiary);
    opacity: 1;
}

/* 错误提示 */
.login-form .form-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: var(--color-error);
    padding: 10px;
    border-radius: 10px;
    font-size: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

/* 登录按钮 - 使用主题强调色 */
.login-form .btn {
    width: 100%;
    margin-top: 10px;
    height: 44px;
    font-size: 14px;
    font-weight: 500;
    background: var(--color-primary);
    color: var(--color-text-inverse);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: var(--font-sans);
    letter-spacing: 0.3px;
}

.login-form .btn:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--color-primary-glow);
}

.login-form .btn:active {
    background: var(--color-primary-dark);
    transform: translateY(0);
    box-shadow: none;
}

.login-form .btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    background: var(--color-bg-tertiary);
    color: var(--color-text-tertiary);
}

/* 页脚 */
.login-footer {
    text-align: center;
    margin-top: 24px;
    color: var(--color-text-tertiary);
    font-size: 13px;
    animation: fadeIn 1s 0.3s forwards ease;
    opacity: 0;
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

.login-footer a {
    color: var(--color-primary);
    font-weight: 500;
    text-decoration: none;
    margin-left: 6px;
    transition: color 0.2s;
}

.login-footer a:hover {
    color: var(--color-primary-hover);
    text-decoration: underline;
}

/* ===== 移动端适配 ===== */
@media (max-width: 768px) {
    .login-page {
        padding: var(--spacing-md);
        align-items: flex-start;
        padding-top: 15vh;
    }

    .login-box {
        max-width: 100%;
    }

    .login-header {
        margin-bottom: 24px;
    }

    .login-logo {
        font-size: 48px;
    }

    .login-title {
        font-size: 22px;
    }

    .login-form .card {
        padding: 24px 20px;
        border-radius: 14px;
    }

    .login-form .form-input {
        padding: 14px;
        font-size: 16px;
        /* 防止 iOS 缩放 */
    }

    .login-form .btn {
        height: 48px;
        font-size: 15px;
    }
}

@media (max-width: 480px) {
    .login-page {
        padding-top: 10vh;
    }

    .login-form .card {
        padding: 20px 16px;
    }
}

/* 全站底部署名 (ICP/公安备案) */
.login-site-footer {
    position: absolute;
    bottom: 30px;
    left: 0;
    right: 0;
    text-align: center;
    z-index: 5;
    animation: fadeIn 1s 0.8s forwards ease;
    opacity: 0;
}

.login-site-footer .icp-info, 
.login-site-footer .psb-info {
    font-size: 12px;
    color: var(--color-text-tertiary);
    opacity: 0.7;
    transition: opacity 0.3s;
    margin-bottom: 4px;
}

.login-site-footer .icp-info:hover, 
.login-site-footer .psb-info:hover {
    opacity: 1;
}

.login-site-footer a {
    color: inherit;
    text-decoration: none;
}

.login-site-footer a:hover {
    text-decoration: underline;
}

.login-site-footer .psb-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
}

.login-site-footer .psb-info img {
    width: 14px;
    height: 14px;
}