/* 登录页面样式 */
.login-page {
    padding: 120px 0 60px;
    min-height: 100vh;
    background: linear-gradient(135deg, rgba(255,255,255,0.9) 0%, rgba(240,240,240,0.9) 100%);
    display: flex;
    align-items: center;
}

.login-container {
    max-width: 500px;
    margin: 0 auto;
    padding: 20px;
}

.login-box {
    background: var(--white);
    padding: 40px 50px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    animation: fadeInUp 0.5s ease-out;
}

.login-box h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 30px;
    font-size: 1.8rem;
    position: relative;
}

.login-box h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: var(--secondary-color);
    border-radius: 2px;
}

/* 表单样式 */
.login-form {
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.input-group i {
    position: absolute;
    left: 15px;
    color: var(--secondary-color);
    font-size: 1.2rem;
}

.input-group input {
    width: 100%;
    padding: 15px 15px 15px 45px;
    border: 2px solid var(--light-gray);
    border-radius: 10px;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    height: 50px;
}

.input-group input:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

.toggle-password {
    position: absolute;
    right: 15px;
    color: var(--text-color);
    cursor: pointer;
    transition: color 0.3s ease;
}

.toggle-password:hover {
    color: var(--secondary-color);
}

/* 表单选项 */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.remember-me {
    display: flex;
    align-items: center;
    gap: 5px;
    color: var(--text-color);
    cursor: pointer;
}

.remember-me input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--secondary-color);
}

.forgot-password {
    color: var(--secondary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.forgot-password:hover {
    color: var(--primary-color);
}

/* 登录按钮 */
.login-btn {
    width: 100%;
    padding: 15px;
    background: linear-gradient(45deg, var(--secondary-color), var(--primary-color));
    color: var(--white);
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.login-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: 0.5s;
}

.login-btn:hover::before {
    left: 100%;
}

.login-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

/* 分隔线 */
.divider {
    text-align: center;
    margin: 20px 0;
    position: relative;
}

.divider::before,
.divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 45%;
    height: 1px;
    background: var(--light-gray);
}

.divider::before {
    left: 0;
}

.divider::after {
    right: 0;
}

.divider span {
    background: var(--white);
    padding: 0 10px;
    color: var(--text-color);
    font-size: 0.9rem;
}

/* 社交登录 */
.social-login {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.social-btn {
    flex: 1;
    padding: 12px;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.social-btn.wechat {
    background: #07C160;
    color: var(--white);
}

.social-btn.qq {
    background: #12B7F5;
    color: var(--white);
}

.social-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

/* 注册链接 */
.register-link {
    text-align: center;
    color: var(--text-color);
}

.register-link a {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s ease;
}

.register-link a:hover {
    color: var(--primary-color);
}

/* 响应式设计 */
@media (max-width: 480px) {
    .login-container {
        padding: 10px;
    }
    
    .login-box {
        padding: 30px 20px;
    }
    
    .social-login {
        flex-direction: column;
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 加载动画 */
.loading {
    position: relative;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--white);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}