:root {
    /* 暗黑模式变量 */
    --primary-color: #5a7dff;
    --secondary-color: #4a6cf7;
    --success-color: #60d9f8;
    --danger-color: #ff4d9e;
    --warning-color: #ffca28;
    --info-color: #a0d96c;
    --light-color: #1e1e2d;
    --dark-color: #e0e0f0;
    --gray-color: #7e8a9a;
    --light-gray: #2d2d3d;
    --border-radius: 12px;
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4);
    --transition: all 0.3s ease;
    
    /* 新增暗黑模式特定变量 */
    --dark-bg-primary: #121220;
    --dark-bg-secondary: #1a1a2e;
    --dark-bg-tertiary: #252540;
    --dark-text-primary: #e0e0f0;
    --dark-text-secondary: #a0a0c0;
    --dark-border: #3a3a5a;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background: linear-gradient(135deg, #1a0a2e 0%, #0d1930 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    color: var(--dark-text-primary);
}

/* 认证容器 */
.auth-container {
    width: 100%;
    max-width: 500px;
    background-color: var(--dark-bg-secondary);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    overflow: hidden;
    min-height: 400px;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--dark-border);
}

.auth-loader {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    flex: 1;
    padding: 20px;
    background-color: var(--dark-bg-secondary);
}

.auth-loader .loader {
    width: 50px;
    height: 50px;
    border: 5px solid var(--dark-bg-tertiary);
    border-top: 5px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 20px;
}

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

/* 聊天容器 */
.chat-container {
    width: 100%;
    max-width: 800px;
    height: 90vh;
    background-color: var(--dark-bg-secondary);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid var(--dark-border);
}

.header {
    background: linear-gradient(to right, var(--dark-bg-tertiary), var(--dark-bg-tertiary));
    color: var(--dark-text-primary);
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--dark-border);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 15px;
}

#user-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid rgba(100, 100, 200, 0.5);
}

.user-profile h1 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--dark-text-primary);
}

#user-status {
    font-size: 0.85rem;
    opacity: 0.8;
    color: var(--dark-text-secondary);
}

.user-actions {
    display: flex;
    gap: 10px;
}

.user-actions button {
    background-color: rgba(100, 100, 200, 0.2);
    border: 1px solid var(--dark-border);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    color: var(--dark-text-primary);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.user-actions button:hover {
    background-color: rgba(100, 100, 200, 0.3);
    transform: scale(1.05);
}

.message-area {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
    background-color: var(--dark-bg-primary);
    background-image: 
        radial-gradient(var(--dark-bg-tertiary) 1px, transparent 1px),
        radial-gradient(var(--dark-bg-tertiary) 1px, transparent 1px);
    background-size: 30px 30px;
    background-position: 0 0, 15px 15px;
}

.message {
    max-width: 75%;
    padding: 12px 18px;
    border-radius: 18px;
    position: relative;
    animation: fadeIn 0.3s ease-out;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.message.received {
    background-color: var(--dark-bg-tertiary);
    border: 1px solid var(--dark-border);
    align-self: flex-start;
    border-bottom-left-radius: 5px;
    color: var(--dark-text-primary);
}

.message.sent {
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    color: white;
    align-self: flex-end;
    border-bottom-right-radius: 5px;
}

.message.system {
    align-self: center;
    background-color: var(--dark-bg-tertiary);
    color: var(--gray-color);
    font-size: 0.85rem;
    max-width: 90%;
    text-align: center;
    padding: 8px 15px;
}

.message-text {
    word-wrap: break-word;
    line-height: 1.5;
}

.message-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    margin-top: 8px;
    opacity: 0.8;
    color: var(--dark-text-secondary);
}

.message.sent .message-info {
    color: rgba(255, 255, 255, 0.8);
}

.input-area {
    display: flex;
    padding: 15px;
    border-top: 1px solid var(--dark-border);
    background-color: var(--dark-bg-secondary);
}

#msgInput {
    flex: 1;
    padding: 14px 18px;
    background-color: var(--dark-bg-tertiary);
    color: var(--dark-text-primary);
    border: 1px solid var(--dark-border);
    border-radius: 30px;
    outline: none;
    transition: var(--transition);
    font-size: 1rem;
}

#msgInput:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
}

#msgInput::placeholder {
    color: var(--gray-color);
}

#sendButton {
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    border-radius: 30px;
    padding: 0 25px;
    margin-left: 10px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1rem;
}

#sendButton:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

#sendButton:active {
    transform: translateY(0);
}

.status-bar {
    background-color: var(--dark-bg-tertiary);
    padding: 10px 20px;
    font-size: 0.85rem;
    color: var(--gray-color);
    border-top: 1px solid var(--dark-border);
    display: flex;
    justify-content: space-between;
}

/* 模态框样式 */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    padding: 20px;
    box-sizing: border-box;
}

.modal-content {
    background-color: var(--dark-bg-secondary);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--dark-border);
}

.modal-header {
    padding: 15px 20px;
    background: linear-gradient(to right, var(--dark-bg-tertiary), var(--dark-bg-tertiary));
    color: var(--dark-text-primary);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
    border-bottom: 1px solid var(--dark-border);
}

.modal-header h2 {
    font-size: 1.3rem;
    font-weight: 600;
    margin: 0;
    color: var(--dark-text-primary);
}

.close-btn {
    background: none;
    border: none;
    color: var(--dark-text-primary);
    font-size: 1.8rem;
    cursor: pointer;
    transition: var(--transition);
}

.close-btn:hover {
    transform: scale(1.1);
}

.modal-body {
    padding: 20px;
    overflow-y: auto;
    flex: 1;
    max-height: calc(90vh - 120px);
    background-color: var(--dark-bg-secondary);
}

.avatar-upload {
    text-align: center;
    margin-bottom: 20px;
}

#profile-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--dark-border);
    margin-bottom: 15px;
    background-color: var(--dark-bg-tertiary);
}

.upload-btn {
    background-color: var(--dark-bg-tertiary);
    color: var(--dark-text-primary);
    padding: 8px 15px;
    border-radius: 20px;
    cursor: pointer;
    transition: var(--transition);
    display: inline-block;
    font-size: 0.9rem;
    border: 1px solid var(--dark-border);
}

.upload-btn:hover {
    background-color: var(--dark-bg-tertiary);
    opacity: 0.8;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: var(--dark-text-primary);
    font-size: 0.9rem;
}

.form-group input {
    width: 100%;
    padding: 10px 12px;
    background-color: var(--dark-bg-tertiary);
    color: var(--dark-text-primary);
    border: 1px solid var(--dark-border);
    border-radius: 8px;
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-group input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
    outline: none;
}

.btn-primary {
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    border-radius: 30px;
    width: 100%;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    padding: 12px 20px;
    font-size: 0.95rem;
}

.btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

.btn-primary:active {
    transform: translateY(0);
}

/* 错误消息样式 */
.message.error {
    background-color: #38262a;
    border: 1px solid #5d2d3a;
}

.message.sent.error {
    background: linear-gradient(to right, #8a2b44, #a52d5a);
}

.error-marker {
    color: #ff6b8b;
    font-size: 0.8em;
    font-weight: bold;
}

/* 认证错误页面样式 */
.auth-error {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 40px 20px;
    flex: 1;
    background-color: var(--dark-bg-secondary);
}

.auth-error i.fas {
    font-size: 3.5rem;
    color: var(--danger-color);
    margin-bottom: 20px;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

.auth-error h2 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: var(--dark-text-primary);
}

.auth-error p {
    font-size: 1.1rem;
    color: var(--gray-color);
    margin-bottom: 25px;
    max-width: 400px;
    line-height: 1.6;
}

.auth-error button {
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    border-radius: 30px;
    padding: 12px 30px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 10px rgba(67, 97, 238, 0.3);
}

.auth-error button:hover {
    opacity: 0.9;
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(67, 97, 238, 0.4);
}

/* 表单错误样式 */
.form-error {
    display: none;
    background-color: #38262a;
    color: #ff6b8b;
    padding: 12px 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 0.95rem;
    animation: fadeIn 0.3s ease-out;
    border: 1px solid #5d2d3a;
}

.form-error.show {
    display: block;
}

.form-error i {
    margin-right: 8px;
}

.has-error input {
    border-color: var(--danger-color) !important;
    box-shadow: 0 0 0 3px rgba(247, 37, 133, 0.2) !important;
}

.has-error label {
    color: var(--danger-color);
}

/* 加载动画 */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loader {
    width: 50px;
    height: 50px;
    border: 5px solid var(--dark-bg-tertiary);
    border-top: 5px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

/* 在原有样式基础上添加以下内容 */

/* 认证页面样式 */
.auth-page {
    padding: 30px;
    display: flex;
    flex-direction: column;
    height: 100%;
    background-color: var(--dark-bg-secondary);
}

.auth-header {
    text-align: center;
    margin-bottom: 30px;
}

.auth-header h1 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.auth-header p {
    color: var(--gray-color);
    font-size: 1.1rem;
}

.auth-tabs {
    display: flex;
    border-bottom: 2px solid var(--dark-border);
    margin-bottom: 25px;
}

.tab-btn {
    flex: 1;
    padding: 15px;
    background: none;
    border: none;
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--gray-color);
    cursor: pointer;
    position: relative;
    transition: var(--transition);
}

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

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 3px;
}

.auth-content {
    flex: 1;
}

.auth-form {
    display: none;
}

.auth-form.active {
    display: block;
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    font-size: 0.9rem;
    color: var(--dark-text-secondary);
}

.divider {
    display: flex;
    align-items: center;
    margin: 25px 0;
    color: var(--gray-color);
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: var(--dark-border);
}

.divider span {
    padding: 0 15px;
}

.social-login {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 14px;
    border-radius: 8px;
    border: none;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    background-color: var(--dark-bg-tertiary);
    color: var(--dark-text-primary);
    border: 1px solid var(--dark-border);
}

.social-btn.github {
    background-color: #333;
    color: white;
}

.social-btn.github:hover {
    background-color: #444;
}

.social-btn.google {
    background-color: #2d2d3d;
    color: #a0a0c0;
    opacity: 0.6;
    cursor: not-allowed;
}

.auth-footer {
    text-align: center;
    padding-top: 20px;
    margin-top: auto;
    color: var(--gray-color);
    font-size: 0.9rem;
    border-top: 1px solid var(--dark-border);
}

/* 错误消息样式 */
.form-error {
    background-color: #38262a;
    color: #ff6b8b;
    padding: 12px 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 0.95rem;
    display: none;
    animation: fadeIn 0.3s ease-out;
    border: 1px solid #5d2d3a;
}

.form-error.show {
    display: block;
}

.form-error i {
    margin-right: 8px;
}

/* 成功消息样式 */
.form-success {
    background-color: #1d2e28;
    color: #4ecb71;
    padding: 12px 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 0.95rem;
    display: none;
    animation: fadeIn 0.3s ease-out;
    border: 1px solid #2a6041;
}

.form-success.show {
    display: block;
}

.form-success i {
    margin-right: 8px;
}

/* 错误输入框样式 */
.has-error input {
    border-color: var(--danger-color) !important;
    box-shadow: 0 0 0 3px rgba(247, 37, 133, 0.2) !important;
}

.has-error label {
    color: var(--danger-color);
}

/* 修复协议同意部分的样式 */
.terms {
    display: flex;
    align-items: center;
    margin: 15px 0 20px;
    color: var(--dark-text-secondary);
}

.terms label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--dark-text-secondary);
    line-height: 1.5;
}

.terms input[type="checkbox"] {
    margin: 0;
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary-color);
}

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

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

/* 重试按钮 */
.retry-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 20px;
    padding: 5px 15px;
    margin-left: 10px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
}

.retry-btn:hover {
    background-color: var(--secondary-color);
}

/* 系统错误消息 */
.system-message.error {
    background-color: #38262a;
    color: #ff6b8b;
    border-left: 4px solid var(--danger-color);
    padding: 10px 15px;
    margin: 10px 0;
    border-radius: 0 8px 8px 0;
    display: flex;
    align-items: center;
}

/* 临时消息样式 */
.message.temporary .timestamp::after {
    content: ' (发送中)';
    font-size: 0.8em;
    opacity: 0.7;
}

.message.sent.temporary {
    opacity: 0.8;
}

/* 移动端优化 */
@media (max-width: 480px) {
    .terms {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .terms label {
        gap: 10px;
    }
}

.terms label:hover {
    color: var(--dark-text-primary);
}

.terms input[type="checkbox"]:checked {
    accent-color: var(--primary-color);
}

.required {
    color: var(--danger-color);
    margin-left: 4px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .chat-container {
        height: 95vh;
        max-width: 100%;
    }
    
    .header {
        padding: 12px 15px;
    }
    
    .user-profile h1 {
        font-size: 1.2rem;
    }
    
    .message {
        max-width: 85%;
    }
    
    #sendButton {
        padding: 0 20px;
    }
    
    #msgInput {
        padding: 12px 15px;
    }
}

@media (max-width: 480px) {
    body {
        padding: 10px;
    }
    
    .header {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
    
    .user-profile {
        flex-direction: column;
        text-align: center;
    }
    
    .user-actions {
        margin-top: 10px;
    }
    
    .message {
        max-width: 95%;
    }
}

/* 响应式调整 - 小屏幕 */
@media (max-width: 600px) {
    .modal {
        padding: 10px;
    }
    
    .modal-content {
        max-width: 95%;
        max-height: 95vh;
    }
    
    .modal-header {
        padding: 12px 15px;
    }
    
    .modal-body {
        padding: 15px;
        max-height: calc(95vh - 110px);
    }
    
    #profile-avatar {
        width: 80px;
        height: 80px;
    }
    
    .form-group {
        margin-bottom: 12px;
    }
    
    .btn-primary {
        padding: 10px 15px;
    }
}

/* 响应式调整 - 超小屏幕 */
@media (max-width: 400px) {
    .modal-header h2 {
        font-size: 1.2rem;
    }
    
    .form-group label {
        font-size: 0.85rem;
    }
    
    .form-group input {
        padding: 8px 10px;
        font-size: 0.9rem;
    }
    
    .btn-primary {
        font-size: 0.9rem;
    }
}

/* 消息状态指示器 */
.status-icon {
    margin-left: 8px;
    font-size: 0.8em;
    color: var(--dark-text-secondary);
}

/* 临时消息样式 */
.message.temporary {
    opacity: 0.8;
}

.message.temporary .message-info {
    font-style: italic;
}

/* 错误消息样式 */
.message.error {
    background-color: #38262a;
    border: 1px solid #5d2d3a;
}

.message.sent.error {
    background: linear-gradient(to right, #8a2b44, #a52d5a);
}

.error-marker {
    color: #ff6b8b;
    font-size: 0.8em;
    font-weight: bold;
}

/* 重试按钮 */
.retry-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 20px;
    padding: 5px 15px;
    margin-left: 10px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
}

.retry-btn:hover {
    background-color: var(--secondary-color);
}

/* 系统错误消息 */
.system-message.error {
    background-color: #38262a;
    color: #ff6b8b;
    border-left: 4px solid var(--danger-color);
    padding: 10px 15px;
    margin: 10px 0;
    border-radius: 0 8px 8px 0;
    display: flex;
    align-items: center;
}

/* 添加以下新样式 */

/* 头像上传按钮组 */
.avatar-upload-buttons {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-top: 10px;
}

/* 移除头像按钮 */
.upload-btn.remove-btn {
    background-color: #38262a;
    color: #ff6b8b;
    border: 1px solid #5d2d3a;
}

.upload-btn.remove-btn:hover {
    background-color: #4a3038;
}

/* 密码输入组 */
.password-group {
    position: relative;
}

.password-container {
    position: relative;
    display: flex;
}

.password-container input {
    padding-right: 40px;
    width: 100%;
}

.toggle-password {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--gray-color);
    font-size: 1rem;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
}

.toggle-password:hover {
    background-color: var(--dark-bg-tertiary);
    color: var(--primary-color);
}

/* 头像预览样式 */
#profile-avatar {
    width: 120px;
    height: 120px;
    border: 2px solid var(--dark-border);
    transition: var(--transition);
    cursor: pointer;
    background-color: var(--dark-bg-tertiary);
}

#profile-avatar:hover {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

/* 响应式调整 */
@media (max-width: 600px) {
    .avatar-upload-buttons {
        flex-direction: column;
        gap: 8px;
    }
    
    .upload-btn, .upload-btn.remove-btn {
        width: 100%;
    }
    
    #profile-avatar {
        width: 100px;
        height: 100px;
    }
}

@media (max-width: 400px) {
    #profile-avatar {
        width: 80px;
        height: 80px;
    }
}

/* 基础样式 - 保持原有样式不变 */
/* 仅添加新元素需要的样式 */

.theme-selector {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--dark-bg-tertiary);
    border: 1px solid var(--dark-border);
    border-radius: 30px;
    padding: 8px 15px;
    display: flex;
    gap: 10px;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.theme-btn {
    background: none;
    border: none;
    color: var(--dark-text-secondary);
    cursor: pointer;
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.theme-btn.active {
    background-color: var(--primary-color);
    color: white;
}

.theme-icon {
    margin-right: 5px;
}

/* 注销账户按钮 */
.btn-danger {
    background: linear-gradient(to right, #f72585, #b5179e);
    color: white;
    border: none;
    border-radius: 30px;
    width: 100%;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 12px 20px;
    font-size: 0.95rem;
    margin-top: 20px;
}

.btn-danger:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

.warning-box {
    background-color: rgba(247, 37, 133, 0.1);
    border-left: 4px solid #f72585;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    color: var(--dark-text-primary);
}

.confirm-text {
    font-weight: bold;
    color: #f72585;
}

.form-actions {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.btn-secondary {
    background-color: var(--dark-bg-tertiary);
    color: var(--dark-text-primary);
    border: 1px solid var(--dark-border);
    border-radius: 30px;
    padding: 10px 20px;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s ease;
    flex: 1;
}

.btn-secondary:hover {
    background-color: var(--dark-bg-tertiary);
    opacity: 0.8;
}

/* 添加在 style.css 文件的末尾 */

/* 注销账户模态框的特定样式 */
#delete-account-modal .modal-content {
  max-width: 450px;
}

#delete-account-modal .modal-header {
  background: linear-gradient(to right, #f72585, #b5179e);
}

#delete-account-modal .warning-box {
  background-color: rgba(247, 37, 133, 0.1);
  border: 1px solid rgba(247, 37, 133, 0.3);
  border-radius: 8px;
  padding: 15px;
  margin-bottom: 20px;
  color: var(--dark-text-primary);
}

#delete-account-modal .warning-box p {
  line-height: 1.5;
  margin: 0;
}

#delete-account-modal .confirm-text {
  font-weight: bold;
  color: #f72585;
  vertical-align: middle;
}

#delete-account-modal .form-group label {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--dark-text-primary);
}

#delete-account-modal .form-actions {
  display: flex;
  gap: 15px;
  margin-top: 25px;
}

#delete-account-modal .btn-secondary {
  background: var(--dark-bg-tertiary);
  color: var(--dark-text-primary);
  border: 1px solid var(--dark-border);
}

#delete-account-modal .btn-secondary:hover {
  background: var(--dark-bg-tertiary);
  opacity: 0.8;
}

#delete-account-modal .btn-danger {
  flex: 1;
  margin-top: 0;
}

/* 复选框样式调整 */
#delete-account-modal input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: #f72585;
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--dark-bg-tertiary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

/* 主题切换过渡 */
body, .chat-container, .auth-container, .modal-content {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}