/* 登录页面容器 */
.login-container {
    min-height: calc(100vh - 80px);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px 20px;
    background: linear-gradient(135deg, rgba(245, 247, 250, 0.9) 0%, rgba(228, 232, 235, 0.9) 100%),
                url('../images/login-bg.jpg') center/cover no-repeat;
    position: relative;
}

/* 登录框样式 */
.login-box {
    width: 100%;
    max-width: 480px;
    background-color: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    padding: 40px;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

/* 登录框头部 */
.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header h2 {
    color: var(--primary-color);
    font-size: 2em;
    margin-bottom: 10px;
    font-family: 'Noto Sans KR', sans-serif;
}

.login-header p {
    color: var(--text-color);
    font-size: 1.1em;
    opacity: 0.8;
}

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

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-color);
    font-size: 0.95em;
}

.form-group input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1em;
    transition: var(--transition);
}

.form-group input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(220, 53, 69, 0.1);
    outline: none;
}

/* 密码输入框 */
.password-input {
    position: relative;
}

.toggle-password {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #666;
    cursor: pointer;
    padding: 0;
    font-size: 1.2em;
}

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

/* 表单选项 */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    font-size: 0.9em;
}

.remember-me {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.remember-me input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.forgot-password {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.forgot-password:hover {
    text-decoration: underline;
}

/* 登录按钮 */
.login-btn,
.register-btn {
    width: 100%;
    padding: 12px;
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-size: 1.1em;
    cursor: pointer;
    transition: var(--transition);
}

.login-btn:hover,
.register-btn:hover {
    background-color: #d32f2f;
}

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

.divider::before,
.divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: calc(50% - 30px);
    height: 1px;
    background-color: #ddd;
}

.divider::before {
    left: 0;
}

.divider::after {
    right: 0;
}

.divider span {
    background-color: var(--white);
    padding: 0 15px;
    color: #666;
    font-size: 0.9em;
}

/* 社交登录按钮 */
.social-login {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-top: 20px;
}

.social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    background-color: var(--white);
    color: var(--text-color);
    font-size: 1em;
    cursor: pointer;
    transition: var(--transition);
}

.social-btn:hover {
    background-color: #f5f5f5;
}

.social-btn.wechat {
    color: #07C160;
}

.social-btn.weibo {
    color: #E6162D;
}

.social-btn i {
    font-size: 1.2em;
    width: 24px;
    height: 24px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

.social-btn.wechat i {
    background-image: url('../images/icons/wechat.png');
}

.social-btn.weibo i {
    background-image: url('../images/icons/weibo.png');
}

/* 密码显示/隐藏图标 */
.toggle-password i {
    width: 20px;
    height: 20px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    display: inline-block;
}

.toggle-password i.icon-eye {
    background-image: url('../images/icons/eye.png');
}

.toggle-password i.icon-eye-off {
    background-image: url('../images/icons/eye-off.png');
}

/* 表单切换 */
.form-switch {
    text-align: center;
    margin-top: 20px;
    font-size: 0.9em;
}

.form-switch a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.form-switch a:hover {
    text-decoration: underline;
}

/* 服务条款 */
.agree-terms {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 0.9em;
    color: var(--text-color);
}

.agree-terms input[type="checkbox"] {
    margin-top: 3px;
}

.terms-link,
.privacy-link {
    color: var(--primary-color);
    text-decoration: none;
}

.terms-link:hover,
.privacy-link:hover {
    text-decoration: underline;
}

/* 动画效果 */
.login-box {
    animation: slideUp 0.5s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .login-box {
        padding: 30px 20px;
    }
    
    .login-header h2 {
        font-size: 1.8em;
    }
    
    .social-login {
        grid-template-columns: 1fr;
    }
    
    .form-options {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
}

/* 错误提示样式 */
.error-message {
    color: var(--primary-color);
    font-size: 0.9em;
    margin-top: 5px;
    display: none;
}

.form-group.error input {
    border-color: var(--primary-color);
}

.form-group.error .error-message {
    display: block;
}

/* 加载状态 */
.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 {
    to {
        transform: rotate(360deg);
    }
}