/* ===== 登录/注册页面样式 ===== */

/* 简单登录页面 */
.simple-login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-5);
    background: var(--gradient-login); /* 保留特定页面渐变 */
}

.login-container {
    width: 100%;
    max-width: 420px;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-auth);
    overflow: hidden;
}

/* 品牌头部 */
.login-brand {
    text-align: center;
    padding: var(--spacing-8) var(--spacing-8) var(--spacing-6);
    background: var(--gradient-gray-soft);
}

.brand-logo {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-4);
}

.brand-logo .logo-circle {
    width: 56px;
    height: 56px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-primary);
}

.brand-logo .logo-letter {
    color: var(--color-white);
    font-size: var(--font-size-2xl);
    font-weight: 800;
}

.brand-title {
    font-size: var(--font-size-2xl-plus);
    font-weight: 800;
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-1);
}

.brand-subtitle {
    color: var(--color-gray-500);
    font-size: var(--font-size-sm);
}

/* 主内容区 */
.login-main {
    padding: var(--spacing-8);
}

/* 欢迎区域 */
.welcome-section {
    text-align: center;
    margin-bottom: var(--spacing-6);
}

.welcome-section h2 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-2);
}

.welcome-text {
    color: var(--color-gray-500);
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

/* Google登录区域 */
.google-login-section {
    margin-bottom: var(--spacing-6);
}

.google-login-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-3);
    width: 100%;
    padding: var(--spacing-3) var(--spacing-6);
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    font-weight: 600;
    color: var(--color-gray-600);
    text-decoration: none;
    transition: all 0.2s ease;
}

.google-login-btn:hover {
    border-color: var(--color-gray-300);
    box-shadow: var(--shadow-primary);
}

.google-note {
    text-align: center;
    font-size: var(--font-size-xs);
    color: var(--color-gray-400);
    margin-top: var(--spacing-2);
}

/* 分隔线 */
.login-divider {
    display: flex;
    align-items: center;
    margin: var(--spacing-6) 0;
    color: var(--color-gray-400);
    font-size: var(--font-size-sm);
}

.login-divider::before,
.login-divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--color-gray-200);
}

.login-divider span {
    padding: 0 var(--spacing-4);
}

/* 邮箱登录表单 */
.email-login-form {
    margin-bottom: var(--spacing-6);
}

.email-login-form .form-group {
    margin-bottom: var(--spacing-4);
}

.email-login-form label {
    display: block;
    margin-bottom: 6px;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-gray-600);
}

.email-login-form input {
    width: 100%;
    padding: var(--spacing-3) var(--spacing-4);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-dark);
    transition: border-color 0.2s ease;
}

.email-login-form input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.password-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}

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

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

.password-input {
    position: relative;
}

.password-input input {
    padding-right: 44px;
}

.toggle-password {
    position: absolute;
    right: var(--spacing-3);
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--color-gray-400);
    cursor: pointer;
    padding: 4px;
}

.eye-icon {
    display: block;
}

.form-options {
    margin: var(--spacing-5) 0;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    border-radius: 4px;
    border: 1px solid var(--color-gray-300);
}

/* 注册链接区域 */
.signup-section {
    text-align: center;
    margin: var(--spacing-6) 0;
}

.signup-text {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    margin: 0;
}

.signup-link {
    color: var(--color-primary);
    font-weight: 600;
    text-decoration: none;
}

.signup-link:hover {
    text-decoration: underline;
}

/* 登录链接区域（注册页用） */
.login-link-section {
    text-align: center;
}

.login-link-text {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

.login-link {
    color: var(--color-primary);
    font-weight: 600;
    text-decoration: none;
}

.login-link:hover {
    text-decoration: underline;
}

/* 页脚 */
.login-footer {
    padding: var(--spacing-5) var(--spacing-8);
    border-top: 1px solid var(--color-gray-100);
    text-align: center;
}

.footer-text {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    margin: 0;
}

.footer-text a {
    color: var(--color-primary);
    text-decoration: none;
}

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

/* 密码提示 */
.password-hint {
    font-size: var(--font-size-xs);
    color: var(--color-gray-400);
    margin-top: 4px;
}

/* 以下是原style.css中登录页的额外样式 */

/* 登录页面专用样式 */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #f0f9ff 0%, #fdf4ff 100%);
}

.login-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.login-wrapper {
    width: 100%;
    max-width: 480px;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 2rem;
    position: relative;
    z-index: 1;
}

.brand-section {
    text-align: center;
    margin-bottom: 2rem;
}

.brand-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: inline-block;
}

.brand-title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-text-dark);
    margin-bottom: 0.5rem;
}

.brand-subtitle {
    color: var(--color-gray-500);
    font-size: 1rem;
}

/* 标签页 */
.auth-tabs {
    margin-bottom: 1.5rem;
}

.tabs-header {
    display: flex;
    border-bottom: 1px solid var(--color-gray-200);
    margin-bottom: 1.5rem;
}

.tab-btn {
    flex: 1;
    padding: 1rem;
    border: none;
    background: none;
    color: var(--color-gray-500);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all 0.2s ease;
}

.tab-btn:hover {
    color: var(--color-primary-dark);
}

.tab-btn.active {
    color: var(--color-primary);
    border-bottom: 2px solid var(--color-primary);
}

.tabs-content {
    position: relative;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

.auth-form .form-group {
    margin-bottom: 1.5rem;
}

.auth-form label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--color-text-dark);
    font-size: var(--font-size-sm);
}

.input-with-icon {
    position: relative;
}

.input-with-icon i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-gray-400);
}

.input-with-icon input {
    width: 100%;
    padding: 0.875rem 1rem 0.875rem 3rem;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    font-size: 1rem;
    color: var(--color-text-dark);
    transition: border-color 0.2s ease;
}

.input-with-icon input:focus {
    border-color: var(--color-primary);
    outline: none;
}

.password-field {
    position: relative;
}

.toggle-password {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--color-gray-400);
    cursor: pointer;
}

.btn-lg {
    padding: 1rem;
    font-size: 1rem;
}

.btn-success {
    background: linear-gradient(135deg, var(--color-success) 0%, #059669 100%);
    color: var(--color-white);
}

.btn-success:hover {
    opacity: 0.95;
}

.btn-warning {
    background: linear-gradient(135deg, var(--color-warning) 0%, #d97706 100%);
    color: var(--color-white);
}

.btn-warning:hover {
    opacity: 0.95;
}

/* 社交登录 */
.divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: 1.5rem 0;
    color: var(--color-gray-400);
    font-size: var(--font-size-sm);
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--color-gray-200);
}

.divider span {
    padding: 0 1rem;
}

.social-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-gray-200);
    background: var(--color-white);
    color: var(--color-gray-600);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.social-btn:hover {
    border-color: var(--color-gray-300);
    transform: translateY(-2px);
}

.google-btn {
    color: #DB4437;
    border-color: #DB4437;
}

.facebook-btn {
    color: #4267B2;
    border-color: #4267B2;
}

.github-btn {
    color: #333;
    border-color: #333;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.password-strength {
    margin-top: 0.5rem;
}

.strength-meter {
    height: 4px;
    background: var(--color-gray-200);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 0.25rem;
}

.strength-bar {
    height: 100%;
    width: 0%;
    background: var(--color-danger);
    transition: all 0.3s ease;
}

.strength-text {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
}

.form-agreement {
    margin: 1.5rem 0;
}

.registration-benefits {
    margin-top: 1.5rem;
    padding: 1rem;
    background: var(--color-gray-50);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-primary);
}

.benefits-title {
    font-weight: 600;
    color: var(--color-text-dark);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.benefits-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.benefits-list li {
    padding: 0.25rem 0;
    color: var(--color-gray-600);
}

.reset-instructions {
    background: #fef3c7;
    border: 1px solid #fbbf24;
    border-radius: var(--radius-md);
    padding: 1rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.reset-instructions i {
    color: #d97706;
}

.reset-instructions p {
    margin: 0;
    font-size: var(--font-size-sm);
    color: #92400e;
}

.back-to-login {
    text-align: center;
    margin-top: 1.5rem;
}

.back-to-login a {
    color: var(--color-primary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.back-to-login a:hover {
    text-decoration: underline;
}

.guest-notice {
    text-align: center;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-gray-200);
    color: var(--color-gray-500);
    font-size: var(--font-size-sm);
}

.guest-link {
    color: var(--color-primary);
    text-decoration: none;
}

.guest-link:hover {
    text-decoration: underline;
}

.form-error {
    color: var(--color-danger);
    font-size: var(--font-size-xs);
    margin-top: 0.25rem;
    min-height: 1rem;
}

.loading-icon {
    display: none;
}

/* 更新页头下拉菜单样式 */
/* 移除登录页面下拉菜单中的多余部分 */
.dropdown-footer {
    display: none !important;
}

/* 简化登录页面的样式 */
.login-page .guest-notice,
.signup-page .guest-notice {
    display: none !important;
}

/* 简化注册页面 */
/* 移除注册页面中的多余提示 */
.signup-page .signup-section {
    display: none !important;
}

/* 优化Google登录按钮位置 */
.google-login-section {
    margin: var(--spacing-5) 0;
}

.google-login-btn {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: var(--spacing-3) !important;
    width: 100% !important;
    padding: 14px 24px !important;
    background: var(--color-white) !important;
    border: 2px solid var(--color-gray-200) !important;
    border-radius: var(--radius-md) !important;
    font-weight: 600 !important;
    color: var(--color-gray-600) !important;
    text-decoration: none !important;
    transition: all 0.3s ease !important;
    font-size: 16px !important;
}

.google-login-btn:hover {
    background: var(--color-gray-50) !important;
    border-color: var(--color-gray-300) !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1) !important;
}

/* 调整登录按钮间距 */
.btn-account {
    transition: all 0.3s ease;
}

.btn-account:hover {
    transform: translateY(-2px);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .dropdown-menu {
        min-width: 220px !important;
    }
    
    .dropdown-header h4 {
        font-size: var(--font-size-sm) !important;
    }
    
    .dropdown-header p {
        font-size: var(--font-size-xs) !important;
    }
    
    .dropdown-menu a {
        font-size: 13px !important;
        padding: 10px 12px !important;
    }
    
    .login-wrapper {
        padding: 1.5rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .tabs-header {
        flex-direction: column;
        border-bottom: none;
    }
    
    .tab-btn {
        border-bottom: 1px solid var(--color-gray-200);
    }
    
    .social-buttons {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .login-container {
        border-radius: var(--radius-md);
    }
    
    .login-brand,
    .login-main {
        padding: var(--spacing-6);
    }
    
    .brand-title {
        font-size: 24px;
    }
    
    .welcome-section h2 {
        font-size: 20px;
    }
}