/* 用户认证相关样式 */

/* 导航栏用户操作区域 */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* 用户资料区域 */
.user-profile {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 6px;
    transition: background-color 0.3s ease;
}

.user-info:hover {
    background: var(--bg-secondary);
}

/* 头像容器 */
.user-avatar-container {
    position: relative;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 6px;
    transition: background-color 0.3s ease;
}

.user-avatar-container:hover {
    background: var(--bg-secondary);
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--accent-primary);
    display: block;
    background: transparent; /* 透明背景 */
    position: relative;
    /* 移除图片相关属性 */
    object-fit: none;
}

/* 空心圆圈效果 - 作为主要显示元素 */
.user-avatar::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid var(--accent-primary);
    background: transparent;
    z-index: 1;
}

/* 头像上的文字覆盖 */
.user-avatar-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent-primary); /* 使用主题色 */
    text-shadow: none; /* 移除文字阴影 */
    pointer-events: none;
    z-index: 2;
}

.user-name {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
}

.user-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: #1a1a1a;
    border: 1px solid #333333;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    min-width: 150px;
    z-index: 100000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}

.user-avatar-container:hover .user-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.menu-item {
    display: block;
    padding: 0.75rem 1rem;
    color: #ffffff;
    text-decoration: none;
    transition: background-color 0.3s ease;
    border-bottom: 1px solid #333333;
    font-size: 0.9rem;
    font-weight: 500;
    min-height: 20px;
    line-height: 1.2;
}

.menu-item:last-child {
    border-bottom: none;
    border-radius: 0 0 8px 8px;
}

.menu-item:first-child {
    border-radius: 8px 8px 0 0;
}

.menu-item:last-child {
    border-radius: 0 0 8px 8px;
}

.menu-item:hover {
    background: #333333;
    color: #6366f1;
}

/* 认证模态框样式 */
.auth-modal {
    max-width: 400px;
    width: 90%;
    position: relative;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 1.5rem 0 1.5rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
}

.modal-header h2 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.modal-close:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

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

.tab-btn {
    flex: 1;
    padding: 0.75rem 1rem;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
}

.tab-btn.active {
    color: var(--accent-color);
    border-bottom-color: var(--accent-color);
}

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

.tab-content {
    display: none;
}

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

/* 强制修复输入框数字输入问题 */
.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="tel"],
.form-group input[type="email"] {
    -webkit-user-select: text !important;
    -moz-user-select: text !important;
    -ms-user-select: text !important;
    user-select: text !important;
    -webkit-appearance: none !important;
    -moz-appearance: textfield !important;
    appearance: textfield !important;
    pointer-events: auto !important;
    touch-action: manipulation !important;
}

/* 确保输入框可以接收键盘输入 */
.form-group input:focus {
    -webkit-user-select: text !important;
    -moz-user-select: text !important;
    -ms-user-select: text !important;
    user-select: text !important;
    pointer-events: auto !important;
}

/* 移除所有可能的输入限制 */
input[type="text"],
input[type="password"],
input[type="tel"],
input[type="email"] {
    -webkit-user-select: text !important;
    -moz-user-select: text !important;
    -ms-user-select: text !important;
    user-select: text !important;
    -webkit-appearance: none !important;
    -moz-appearance: textfield !important;
    appearance: textfield !important;
    pointer-events: auto !important;
    touch-action: manipulation !important;
}

/* 输入框样式优化 */
input[type="text"][inputmode="numeric"] {
    font-family: 'Courier New', monospace;
    letter-spacing: 1px;
}

input[type="text"][inputmode="numeric"]:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* 确保输入框可以正常输入数字 */
input[type="text"][pattern="[0-9]{11}"],
input[type="text"][pattern="[0-9]{6}"] {
    -webkit-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
    user-select: text;
    -webkit-appearance: none;
    -moz-appearance: textfield;
}

/* 移除数字输入框的上下箭头 */
input[type="text"][inputmode="numeric"]::-webkit-outer-spin-button,
input[type="text"][inputmode="numeric"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

input[type="text"][inputmode="numeric"] {
    -moz-appearance: textfield;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.9rem;
    transition: border-color 0.3s ease;
    box-sizing: border-box;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.verification-group {
    display: flex;
    gap: 0.5rem;
}

.verification-group input {
    flex: 1;
}

.btn-send-code {
    padding: 0.75rem 1rem;
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s ease;
    white-space: nowrap;
}

.btn-send-code:hover {
    background: var(--accent-hover);
}

.btn-send-code:disabled {
    background: var(--text-secondary);
    cursor: not-allowed;
}

.btn-primary {
    width: 100%;
    padding: 0.75rem;
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

.btn-primary:disabled {
    background: var(--text-secondary);
    cursor: not-allowed;
    transform: none;
}

/* 微信登录/注册样式 */
.wechat-login-content,
.wechat-register-content {
    text-align: center;
    padding: 2rem 0;
}

.qr-code {
    margin-bottom: 1rem;
}

.qr-placeholder {
    width: 200px;
    height: 200px;
    margin: 1rem auto;
    background: var(--bg-secondary);
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.login-tip,
.register-tip {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 1rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-actions {
        gap: 0.5rem;
    }
    
    .btn-login, .btn-register {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
    }
    
    .user-name {
        font-size: 0.8rem;
        max-width: 80px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    
    .auth-modal {
        width: 95%;
        margin: 1rem;
    }
    
    .verification-group {
        flex-direction: column;
    }
    
    .btn-send-code {
        width: 100%;
    }
}

/* 加载状态 */
.loading {
    opacity: 0.6;
    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(--accent-color);
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 错误和成功消息 */
.message {
    padding: 0.75rem;
    border-radius: 6px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.message.error {
    background: #fef2f2;
    color: #dc2626;
    border: 1px solid #fecaca;
}

.message.success {
    background: #f0fdf4;
    color: #15803d;
    border: 1px solid #bbf7d0;
}

.message.info {
    background: #eff6ff;
    color: #1d4ed8;
    border: 1px solid #bfdbfe;
}

/* 表单验证错误 */
.form-group.error input {
    border-color: #dc2626;
}

.form-group .error-message {
    color: #dc2626;
    font-size: 0.8rem;
    margin-top: 0.25rem;
}

/* 认证选择模态框样式 */
.auth-selection {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.selection-card {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.selection-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color), var(--accent-hover));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.selection-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    border-color: var(--accent-color);
}

.selection-card:hover::before {
    transform: scaleX(1);
}

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

.selection-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.selection-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.selection-card .btn-primary {
    width: 100%;
    padding: 0.75rem;
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: 6px;
    transition: all 0.3s ease;
    background: var(--accent-color);
    color: white;
    border: none;
}

.selection-card .btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

.auth-footer {
    margin-top: 2rem;
    text-align: center;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.footer-text {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.footer-text .link {
    color: var(--accent-color);
    text-decoration: none;
}

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

/* 翻页动画样式 */
.auth-modal {
    perspective: 1000px;
    position: relative;
}

.modal-body {
    position: relative;
    transform-style: preserve-3d;
    transition: transform 0.6s ease-in-out;
}

.modal-body.flipping {
    transform: rotateY(180deg);
}

.login-content, .register-content {
    position: absolute;
    width: 100%;
    backface-visibility: hidden;
    transition: opacity 0.3s ease;
}

.register-content {
    transform: rotateY(180deg);
}

.modal-body.show-register .login-content {
    opacity: 0;
}

.modal-body.show-register .register-content {
    opacity: 1;
}

/* 页脚链接样式 */
.no-account, .has-account {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.no-account .link, .has-account .link {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.no-account .link:hover, .has-account .link:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

.option-card {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.option-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color), var(--accent-hover));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.option-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    border-color: var(--accent-color);
}

.option-card:hover::before {
    transform: scaleX(1);
}

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

.option-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.option-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.option-card .btn-primary,
.option-card .btn-secondary {
    width: 100%;
    padding: 0.75rem;
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.option-card .btn-primary {
    background: var(--accent-color);
    color: white;
    border: none;
}

.option-card .btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

.option-card .btn-secondary {
    background: transparent;
    color: var(--accent-color);
    border: 1px solid var(--accent-color);
}

.option-card .btn-secondary:hover {
    background: var(--accent-color);
    color: white;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .auth-options {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .option-card {
        padding: 1.5rem 1rem;
    }
    
    .option-icon {
        font-size: 2.5rem;
    }
    
    .option-card h3 {
        font-size: 1.1rem;
    }
    
    /* 导航栏响应式 */
    .nav-actions {
        gap: 0.5rem;
    }
    
    .btn-login, .btn-register {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
    }
    
    .user-name {
        font-size: 0.8rem;
        max-width: 80px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    
    .user-avatar {
        width: 32px;
        height: 32px;
    }
    
    .user-avatar::before {
        width: 24px;
        height: 24px;
    }
    
    .user-avatar-text {
        font-size: 0.65rem;
    }
    
    .user-menu {
        right: -10px;
        min-width: 120px;
    }
    
    .auth-modal {
        width: 95%;
        margin: 1rem;
    }
    
    .verification-group {
        flex-direction: column;
    }
}

/* 大屏幕 (1200px+) */
@media (min-width: 1200px) {
    .user-avatar {
        width: 44px;
        height: 44px;
    }
    
    .user-avatar::before {
        width: 36px;
        height: 36px;
    }
    
    .user-avatar-text {
        font-size: 0.8rem;
    }
    
    .auth-modal {
        max-width: 500px;
    }
}

/* 中等屏幕 (768px-1199px) */
@media (min-width: 768px) and (max-width: 1199px) {
    .user-avatar {
        width: 36px;
        height: 36px;
    }
    
    .user-avatar::before {
        width: 28px;
        height: 28px;
    }
    
    .user-avatar-text {
        font-size: 0.7rem;
    }
    
    .auth-modal {
        width: 90%;
        max-width: 450px;
    }
}

/* 小屏幕 (480px以下) */
@media (max-width: 480px) {
    .user-avatar {
        width: 28px;
        height: 28px;
    }
    
    .user-avatar::before {
        width: 20px;
        height: 20px;
    }
    
    .user-avatar-text {
        font-size: 0.6rem;
    }
    
    .user-menu {
        right: -15px;
        min-width: 100px;
    }
    
    .auth-modal {
        width: 98%;
        margin: 0.5rem;
        padding: 1rem;
    }
    
    .btn-login, .btn-register {
        padding: 0.3rem 0.6rem;
        font-size: 0.75rem;
    }
}

/* 超小屏幕 (320px以下) */
@media (max-width: 320px) {
    .user-avatar {
        width: 24px;
        height: 24px;
    }
    
    .user-avatar::before {
        width: 16px;
        height: 16px;
    }
    
    .user-avatar-text {
        font-size: 0.55rem;
    }
    
    .user-menu {
        right: -20px;
        min-width: 90px;
    }
    
    .auth-modal {
        width: 100%;
        margin: 0;
        padding: 0.75rem;
    }
}