/* 社区页面主要样式 */
.community-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* 面包屑导航 */
.breadcrumb {
    margin-bottom: 20px;
    font-size: 14px;
    color: #666;
}

.breadcrumb a {
    color: #3498db;
    text-decoration: none;
}

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

/* 社区欢迎区域 */
.community-welcome {
    background-color: #f8f9fa;
    border-radius: 10px;
    padding: 30px;
    margin-bottom: 30px;
    text-align: center;
}

.community-welcome h2 {
    color: #2c3e50;
    margin-bottom: 15px;
    font-size: 28px;
}

.community-welcome p {
    color: #555;
    margin-bottom: 25px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* 社区统计信息 */
.community-stats {
    display: flex;
    justify-content: center;
    gap: 50px;
    margin-top: 20px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 32px;
    font-weight: bold;
    color: #3498db;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 14px;
    color: #777;
}

/* 社区主体布局 */
.community-main {
    display: flex;
    gap: 30px;
    margin-bottom: 40px;
}

/* === General Button Styles === */
.btn {
    display: inline-block;
    padding: 10px 20px; /* Consistent padding */
    font-size: 1rem; /* Consistent font size */
    font-weight: 600; /* Consistent font weight */
    border-radius: 5px; /* Consistent border radius */
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease, opacity 0.3s ease;
    border: 1px solid transparent; /* Base for outline and to prevent layout shifts */
}

.btn:disabled,
.btn.disabled {
    opacity: 0.65;
    cursor: not-allowed;
}

/* Primary Button Style */
.btn-primary {
    background-color: #00acc1; /* Main site CTA color */
    color: white;
    border-color: #00acc1;
}

.btn-primary:hover:not(:disabled) {
    background-color: #007c91; /* Darker shade for hover */
    border-color: #007c91;
}

.btn-primary:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 172, 193, 0.3); /* Focus ring */
}

/* Secondary Button Style (for cancel, less prominent actions) */
.btn-secondary {
    background-color: #f0f0f0;
    color: #333;
    border-color: #ddd;
}

.btn-secondary:hover:not(:disabled) {
    background-color: #e0e0e0;
    border-color: #ccc;
}

.btn-secondary:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(150, 150, 150, 0.3); /* Focus ring */
}

/* Outline Button Style */
.btn-outline {
    background-color: transparent;
    color: #00acc1; /* Main site CTA color */
    border-color: #00acc1;
}

.btn-outline:hover:not(:disabled) {
    background-color: #00acc1;
    color: white;
}

.btn-outline:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 172, 193, 0.3); /* Focus ring */
}

/* Danger Button Style (retained but standardized padding/radius if needed) */
.btn-danger { /* This will be applied via class, e.g. <button class="btn btn-danger"> */
    background-color: #e74c3c;
    color: white;
    border-color: #e74c3c;
}

.btn-danger:hover:not(:disabled) {
    background-color: #c0392b;
    border-color: #c0392b;
}
/* === End General Button Styles === */

/* 侧边栏样式 */
.community-sidebar {
    flex: 0 0 280px;
}

/* 用户卡片 */
.user-card {
    background-color: #fff;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.user-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 15px;
    border: 3px solid #e0e0e0;
}

.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.user-name {
    font-size: 18px;
    color: #2c3e50;
    margin-bottom: 5px;
}

.user-status {
    font-size: 14px;
    color: #777;
    margin-bottom: 15px;
}

.user-status a {
    color: #3498db;
    text-decoration: none;
    font-weight: bold;
}

.user-status a:hover {
    text-decoration: underline;
}

/* #new-post-btn - Apply new standard */
#new-post-btn {
    background-color: #00acc1;
    color: white;
    border: 1px solid #00acc1;
    padding: 10px 20px; 
    border-radius: 5px; 
    font-weight: 600; 
    width: 100%; 
    transition: background-color 0.3s, border-color 0.3s;
    cursor: pointer; /* Ensure cursor is pointer */
    text-align: center; /* Ensure text is centered */
}

#new-post-btn:hover:not(:disabled) {
    background-color: #007c91;
    border-color: #007c91;
}

#new-post-btn:disabled,
#new-post-btn.disabled {
    background-color: #95a5a6; 
    border-color: #95a5a6;
    color: #ccc; /* Dim text color for disabled state */
    opacity: 0.65; 
    cursor: not-allowed;
}

/* 热门话题 */
.hot-topics {
    background-color: #fff;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.hot-topics h3 {
    color: #2c3e50;
    margin-bottom: 15px;
    font-size: 18px;
    border-bottom: 1px solid #eee;
    padding-bottom: 10px;
}

.hot-topics ul {
    list-style: none;
}

.hot-topics ul li {
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px dashed #eee;
}

.hot-topics ul li:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.hot-topics ul li a {
    color: #333;
    text-decoration: none;
    display: inline-block;
    max-width: 85%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.hot-topics ul li a:hover {
    color: #3498db;
}

.topic-heat {
    color: #e74c3c;
    margin-left: 5px;
}

/* 社区规则 */
.community-rules {
    background-color: #fff;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.community-rules h3 {
    color: #2c3e50;
    margin-bottom: 15px;
    font-size: 18px;
    border-bottom: 1px solid #eee;
    padding-bottom: 10px;
}

.community-rules ul {
    list-style: none;
    margin-bottom: 15px;
}

.community-rules ul li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 10px;
}

.community-rules ul li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: #3498db;
    font-weight: bold;
}

.rules-link {
    display: block;
    text-align: right;
    color: #3498db;
    text-decoration: none;
    font-size: 14px;
}

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

/* 主要内容区 */
.community-content {
    flex: 1;
    min-width: 0; /* Prevent overflow issues with flex items */
}

/* 主题类别和搜索栏 */
.topic-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap; /* Allow wrapping on smaller screens */
    gap: 15px; /* Add gap for wrapped items */
}

/* 主题分类按钮 */
.topic-categories {
    display: flex;
    gap: 10px;
    flex-wrap: wrap; /* Allow category buttons to wrap */
}

.category-btn {
    background-color: #f0f0f0;
    color: #555;
    border: 1px solid #ddd; /* Added border for consistency */
    padding: 8px 15px;
    border-radius: 20px; /* Pill shape */
    cursor: pointer;
    font-size: 0.9rem;
    transition: background-color 0.3s, color 0.3s, border-color 0.3s, box-shadow 0.3s;
}

.category-btn:hover:not(.active):not(:disabled) {
    background-color: #e0e0e0;
    border-color: #ccc;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.category-btn.active {
    background-color: #00acc1; /* Aligned with primary color */
    color: white;
    border-color: #00acc1; /* Aligned with primary color */
    box-shadow: 0 1px 3px rgba(0,172,193,0.4);
}

/* 搜索栏 */
.search-bar {
    display: flex;
    margin-bottom: 20px;
    border-radius: 5px; /* Apply to container for consistent look */
}

.search-bar input {
    flex-grow: 1;
    padding: 10px 15px; /* Consistent padding */
    border: none; /* Border handled by container or button */
    border-radius: 5px 0 0 5px; /* Match container */
    font-size: 1rem;
    outline: none;
}

.search-bar button {
    background-color: #00acc1; /* Primary color */
    color: white;
    border: none; 
    padding: 10px 20px; /* Consistent padding */
    border-radius: 0 5px 5px 0; /* Match container */
    cursor: pointer;
    font-weight: 600; /* Consistent with .btn */
    transition: background-color 0.3s;
    white-space: nowrap; /* Prevent text wrapping */
}

.search-bar button:hover:not(:disabled) {
    background-color: #007c91; /* Darker primary */
}

/* 主题列表 */
.topic-list {
    margin-bottom: 30px;
}

.topic-item {
    display: flex;
    background-color: #fff;
    border-radius: 10px;
    margin-bottom: 15px;
    padding: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.topic-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.topic-item.pinned {
    border-left: 4px solid #e74c3c;
    background-color: #fff9f9;
}

.topic-icon {
    font-size: 24px;
    margin-right: 15px;
    color: #555;
    min-width: 30px;
    text-align: center;
}

.topic-content {
    flex: 1;
}

.topic-title {
    margin: 0 0 10px 0;
    font-size: 18px;
}

.topic-title a {
    color: #2c3e50;
    text-decoration: none;
}

.topic-title a:hover {
    color: #3498db;
}

.topic-meta {
    margin-bottom: 10px;
    font-size: 13px;
    color: #777;
}

.topic-category {
    display: inline-block;
    padding: 3px 8px;
    border-radius: 3px;
    margin-right: 10px;
    font-size: 12px;
    font-weight: bold;
}

.topic-category.question {
    background-color: #e1f5fe;
    color: #0288d1;
}

.topic-category.share {
    background-color: #e8f5e9;
    color: #388e3c;
}

.topic-category.discuss {
    background-color: #fff8e1;
    color: #ffa000;
}

.topic-category.resource {
    background-color: #f3e5f5;
    color: #7b1fa2;
}

.topic-category.official {
    background-color: #ffebee;
    color: #c62828;
}

.topic-author, .topic-time {
    margin-right: 10px;
}

.topic-preview {
    color: #555;
    margin-bottom: 10px;
    line-height: 1.5;
    font-size: 14px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.topic-stats {
    font-size: 13px;
    color: #777;
}

.topic-stats span {
    margin-right: 15px;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 30px;
    gap: 8px; /* Spacing between buttons */
}

.page-btn {
    background-color: transparent;
    color: #00acc1; /* Primary color for text/border */
    border: 1px solid #00acc1;
    padding: 8px 12px; /* Slightly smaller for pagination */
    border-radius: 5px; /* Consistent radius */
    cursor: pointer;
    font-weight: 600; /* Consistent with .btn */
    transition: background-color 0.3s, color 0.3s, border-color 0.3s;
}

.page-btn:hover:not(:disabled),
.page-btn.active {
    background-color: #00acc1;
    color: white;
    border-color: #00acc1;
}

.page-btn:disabled {
    color: #aaa;
    border-color: #ddd;
    cursor: not-allowed;
    background-color: #f9f9f9;
}

/* 登录和新主题模态框 */
.login-modal, .new-topic-modal, .edit-profile-modal, .confirm-modal { /* Added more modal classes */
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background-color: #fff;
    padding: 20px; /* Reduced padding for smaller screens */
    border-radius: 10px;
    width: 90%;
    max-width: 550px; /* Slightly increased max-width for more space */
    position: relative;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    overflow-y: auto; /* Allow scrolling if content overflows vertically */
    max-height: 90vh; /* Limit height to 90% of viewport height */
}

@media (min-width: 600px) {
    .modal-content {
        padding: 30px; /* Restore larger padding for larger screens */
    }
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 24px;
    cursor: pointer;
    color: #777;
}

.close-modal:hover {
    color: #e74c3c; /* Danger color for close */
}

.modal-content h2 {
    margin-bottom: 20px;
    color: #2c3e50;
    text-align: center;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px; /* Consistent margin */
    color: #555;
    font-weight: 500;
}

.form-group input, .form-group textarea, .form-group select {
    width: 100%;
    padding: 12px 15px; /* Increased padding for better touch targets */
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem; /* Ensure readable font size */
    box-sizing: border-box; /* Ensure padding doesn't expand width */
}

.form-group textarea {
    min-height: 100px; /* Adjusted min-height */
    resize: vertical;
}

/* Profile Picture Specific Styles */
.profile-picture-group {
    margin-bottom: 20px;
}

.profile-picture-group label:first-of-type { /* The main label for "Profile Picture" */
    display: block;
    margin-bottom: 12px; /* Increased margin for main label */
    color: #555;
    font-weight: 500;
}

.current-avatar-display {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    gap: 15px;
    background-color: #f9f9f9;
    padding: 10px;
    border-radius: 5px;
}

.current-avatar-display img {
    width: 60px; /* Slightly smaller preview */
    height: 60px;
    border-radius: 50%;
    border: 2px solid #00acc1;
    object-fit: cover;
}

.upload-avatar-label { /* This is the "Upload New" button */
    padding: 8px 12px;
    background-color: #e9ecef;
    color: #495057;
    border: 1px solid #ced4da;
    border-radius: 5px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background-color 0.3s;
    display: inline-flex; /* Allow vertical align if needed */
    align-items: center;
}

.upload-avatar-label:hover {
    background-color: #dee2e6;
}

.avatar-options {
    display: flex;
    flex-wrap: wrap;
    gap: 12px; /* Slightly increased gap */
    margin-bottom: 10px;
    padding-top: 10px;
    border-top: 1px solid #eee; /* Separator */
}

.avatar-options-label {
    display: block;
    width: 100%;
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: #666;
    font-weight: 500;
}

.avatar-option {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 2px solid #ddd;
    cursor: pointer;
    transition: border-color 0.3s;
    object-fit: cover;
    padding: 2px; /* Add padding to prevent border clipping image */
    background-color: #f9f9f9; /* Slight background for empty ones */
}

.avatar-option:hover,
.avatar-option.selected {
    border-color: #007c91; /* Darker primary on hover/select */
    box-shadow: 0 0 5px rgba(0, 124, 145, 0.5);
}

.avatar-option.selected {
    border-width: 3px;
}

.checkbox-group {
    margin-bottom: 8px;
    display: flex;
    align-items: center;
}

.checkbox-group input[type="checkbox"] {
    margin-right: 8px;
}

.checkbox-group label { /* Label for the checkbox text */
    font-weight: normal;
    color: #333;
    margin-bottom: 0; /* Remove bottom margin from individual checkbox labels */
    font-size: 0.95rem; /* Align with input field text */
}

.form-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

/* Group for primary and secondary actions (Save, Cancel) */
.form-actions .action-group-main {
    display: flex;
    gap: 12px;
}

/* Delete Account Button - specific styling if needed, but mainly for layout */
/* Assuming .delete-account-btn is already styled as .btn .btn-danger */

/* Styles for Delete Account Button Section in Profile Edit */
.delete-account-section {
    /* margin-top: 20px; */ /* Removed, as it's part of form-actions now or handled by its own placement */
    /* padding-top: 20px; */ /* Removed */
    /* border-top: 1px solid #e5e5e5; */  /* Removed */
    /* display: flex; */ /* Removed */
    /* justify-content: flex-end; */ /* Removed */
    /* The delete button will be positioned by the new .form-actions flex layout */
}

.delete-account-btn {
    padding: 8px 15px; 
    font-size: 0.9rem;
}

/* Dark mode specific button adjustments if needed, for now relying on general dark mode text/bg changes */
/* Example:
body.dark-mode .btn-secondary {
    background-color: #444;
    color: #f0f0f0;
    border-color: #555;
}
body.dark-mode .btn-secondary:hover:not(:disabled) {
    background-color: #555;
    border-color: #666;
}
*/

/* Ensure dark mode styles for other elements are maintained or adjusted */
.dark-mode .community-welcome {
    background-color: #2c3e50;
    color: #f5f5f5;
}

.dark-mode .community-welcome h2,
.dark-mode .community-welcome p {
    color: #f5f5f5;
}

.dark-mode .stat-number {
    color: #3498db;
}

.dark-mode .stat-label {
    color: #bbb;
}

.dark-mode .user-card,
.dark-mode .hot-topics,
.dark-mode .community-rules,
.dark-mode .topic-item {
    background-color: #34495e;
    color: #f5f5f5;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.dark-mode .user-card h3,
.dark-mode .hot-topics h3,
.dark-mode .community-rules h3 {
    color: #f5f5f5;
}

.dark-mode .user-status,
.dark-mode .hot-topics a,
.dark-mode .community-rules li {
    color: #ddd;
}

.dark-mode .hot-topics li {
    border-bottom-color: #4a6278;
}

.dark-mode .topic-title a {
    color: #f5f5f5;
}

.dark-mode .topic-preview {
    color: #ddd;
}

.dark-mode .topic-meta,
.dark-mode .topic-stats {
    color: #bbb;
}

.dark-mode .category-btn {
    background-color: #2c3e50;
    color: #ddd;
}

.dark-mode .category-btn:hover {
    background-color: #243342;
}

.dark-mode .category-btn.active {
    background-color: #3498db;
    color: white;
}

.dark-mode .search-bar input {
    background-color: #2c3e50;
    border-color: #4a6278;
    color: #f5f5f5;
}

.dark-mode .page-btn {
    background-color: #2c3e50;
    color: #ddd;
}

.dark-mode .page-btn:hover {
    background-color: #243342;
}

.dark-mode .modal-content {
    background-color: #34495e;
    color: #f5f5f5;
}

.dark-mode .form-group label {
    color: #ddd;
}

.dark-mode .form-group input,
.dark-mode .form-group textarea,
.dark-mode .form-group select {
    background-color: #333;
    border-color: #555;
    color: #f0f0f0;
}

.dark-mode .form-group input::placeholder,
.dark-mode .form-group textarea::placeholder {
    color: #888;
}

/* Ensure .danger-btn and .secondary-btn (from original file) are styled with .btn base if used with those classes */
/* Assuming these are less common or being phased out for .btn-danger, .btn-secondary */
.danger-btn, .secondary-btn { /* Generic catch for old classes if still in HTML */
    display: inline-block;
    padding: 10px 20px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 5px;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease, opacity 0.3s ease;
}

.danger-btn {
    background-color: #e74c3c;
    color: white;
    border: 1px solid #e74c3c;
}
.danger-btn:hover:not(:disabled) {
    background-color: #c0392b;
    border-color: #c0392b;
}
.danger-btn:disabled, .danger-btn.disabled {
    opacity: 0.65;
    cursor: not-allowed;
}

.secondary-btn {
    background-color: #95a5a6;
    color: white;
    border: 1px solid #95a5a6;
}
.secondary-btn:hover:not(:disabled) {
    background-color: #7f8c8d;
    border-color: #7f8c8d;
}
.secondary-btn:disabled, .secondary-btn.disabled {
    opacity: 0.65;
    cursor: not-allowed;
}

/* 响应式设计 */
@media (max-width: 900px) {
    .community-main {
        flex-direction: column;
    }
    
    .community-sidebar {
        flex: none;
        width: 100%;
    }
    
    .community-stats {
        gap: 20px;
    }
}

@media (max-width: 600px) {
    .community-welcome {
        padding: 20px 15px;
    }
    
    .community-stats {
        flex-direction: column;
        gap: 15px;
    }
    
    .stat-item {
        padding: 10px;
        background-color: rgba(255, 255, 255, 0.7);
        border-radius: 5px;
    }
    
    .topic-categories {
        flex-wrap: nowrap;
        overflow-x: auto;
        padding-bottom: 10px;
    }
    
    .category-btn {
        white-space: nowrap;
    }
    
    .topic-item {
        padding: 15px;
    }
    
    .topic-title {
        font-size: 16px;
    }
}

/* 危险操作按钮样式 */
.danger-btn {
    background-color: #e74c3c;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.danger-btn:hover {
    background-color: #c0392b;
}

.secondary-btn {
    background-color: #95a5a6;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.secondary-btn:hover {
    background-color: #7f8c8d;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 20px;
}

/* 复选框组样式 */
.checkbox-group {
    margin-bottom: 8px;
    display: flex;
    align-items: center;
}

.checkbox-group input[type="checkbox"] {
    margin-right: 8px;
}

/* 隐藏元素 */
.hidden {
    display: none !important;
}

/* Make modal buttons full width on small screens */
@media (max-width: 480px) {
    .form-actions {
        flex-direction: column-reverse; /* Stack main actions on top of delete */
        align-items: stretch; /* Make buttons full width */
    }

    .form-actions .action-group-main {
        flex-direction: column-reverse; /* Stack Save on top of Cancel */
        width: 100%;
        gap: 10px; /* Adjust gap for vertical stacking */
    }
    .form-actions .btn { /* Apply to all buttons within form-actions */
        width: 100%; /* Make buttons full width */
        margin-left: 0; /* Reset any specific margins if present */
        margin-right: 0;
    }

    .delete-account-btn { /* Ensure it's also full width and has some top margin */
        width: 100%;
        margin-top: 10px; /* Add margin when stacked */
    }

    .modal-content {
        padding: 15px; /* Further reduce padding on very small screens */
    }

    .avatar-options {
        justify-content: center; /* Center avatar options on small screens */
    }
}

/* Privacy Options / Checkbox group styling */
.privacy-options-group {
    margin-top: 25px; /* Increased top margin for separation */
    padding-top: 15px; /* Add some padding if a border is added */
    /* border-top: 1px solid #eee; */ /* Optional separator line */
}

.privacy-options-group > label { /* The main label "Privacy Options" */
    display: block;
    margin-bottom: 15px; /* Increased space below main label */
    color: #333; /* Darker color for main label */
    font-weight: 600; /* Bolder main label */
    font-size: 1.05rem;
}

.checkbox-group {
    margin-bottom: 12px; /* Spacing between checkbox lines */
    display: flex;
    align-items: center; /* Vertically center checkbox and label */
}

.checkbox-group input[type="checkbox"] {
    width: auto; /* Override full width for checkbox */
    margin-right: 10px; /* Space between checkbox and its label text */
    height: 1.1em; 
    width: 1.1em;
    accent-color: #00acc1; 
    flex-shrink: 0; /* Prevent checkbox from shrinking */
}

.checkbox-group label { /* Label for the checkbox text itself */
    font-weight: normal;
    color: #333;
    margin-bottom: 0; 
    font-size: 1rem; /* Ensure consistent font size */
    line-height: 1.4; /* Improve line height for readability */
}

.form-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

/* Group for primary and secondary actions (Save, Cancel) */
.form-actions .action-group-main {
    display: flex;
    gap: 12px;
}

/* Delete Account Button - specific styling if needed, but mainly for layout */
/* Assuming .delete-account-btn is already styled as .btn .btn-danger */

/* Styles for Delete Account Button Section in Profile Edit */
.delete-account-section {
    /* margin-top: 20px; */ /* Removed, as it's part of form-actions now or handled by its own placement */
    /* padding-top: 20px; */ /* Removed */
    /* border-top: 1px solid #e5e5e5; */  /* Removed */
    /* display: flex; */ /* Removed */
    /* justify-content: flex-end; */ /* Removed */
    /* The delete button will be positioned by the new .form-actions flex layout */
}

.delete-account-btn {
    padding: 8px 15px; 
    font-size: 0.9rem;
}

/* Dark mode specific button adjustments if needed, for now relying on general dark mode text/bg changes */
/* Example:
body.dark-mode .btn-secondary {
    background-color: #444;
    color: #f0f0f0;
    border-color: #555;
}
body.dark-mode .btn-secondary:hover:not(:disabled) {
    background-color: #555;
    border-color: #666;
}
*/

/* Ensure dark mode styles for other elements are maintained or adjusted */
.dark-mode .community-welcome {
    background-color: #2c3e50;
    color: #f5f5f5;
}

.dark-mode .community-welcome h2,
.dark-mode .community-welcome p {
    color: #f5f5f5;
}

.dark-mode .stat-number {
    color: #3498db;
}

.dark-mode .stat-label {
    color: #bbb;
}

.dark-mode .user-card,
.dark-mode .hot-topics,
.dark-mode .community-rules,
.dark-mode .topic-item {
    background-color: #34495e;
    color: #f5f5f5;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.dark-mode .user-card h3,
.dark-mode .hot-topics h3,
.dark-mode .community-rules h3 {
    color: #f5f5f5;
}

.dark-mode .user-status,
.dark-mode .hot-topics a,
.dark-mode .community-rules li {
    color: #ddd;
}

.dark-mode .hot-topics li {
    border-bottom-color: #4a6278;
}

.dark-mode .topic-title a {
    color: #f5f5f5;
}

.dark-mode .topic-preview {
    color: #ddd;
}

.dark-mode .topic-meta,
.dark-mode .topic-stats {
    color: #bbb;
}

.dark-mode .category-btn {
    background-color: #2c3e50;
    color: #ddd;
}

.dark-mode .category-btn:hover {
    background-color: #243342;
}

.dark-mode .category-btn.active {
    background-color: #3498db;
    color: white;
}

.dark-mode .search-bar input {
    background-color: #2c3e50;
    border-color: #4a6278;
    color: #f5f5f5;
}

.dark-mode .page-btn {
    background-color: #2c3e50;
    color: #ddd;
}

.dark-mode .page-btn:hover {
    background-color: #243342;
}

.dark-mode .modal-content {
    background-color: #34495e;
    color: #f5f5f5;
}

.dark-mode .form-group label {
    color: #ddd;
}

.dark-mode .form-group input,
.dark-mode .form-group textarea,
.dark-mode .form-group select {
    background-color: #333;
    border-color: #555;
    color: #f0f0f0;
}

.dark-mode .form-group input::placeholder,
.dark-mode .form-group textarea::placeholder {
    color: #888;
}

/* Ensure .danger-btn and .secondary-btn (from original file) are styled with .btn base if used with those classes */
/* Assuming these are less common or being phased out for .btn-danger, .btn-secondary */
.danger-btn, .secondary-btn { /* Generic catch for old classes if still in HTML */
    display: inline-block;
    padding: 10px 20px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 5px;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease, opacity 0.3s ease;
}

.danger-btn {
    background-color: #e74c3c;
    color: white;
    border: 1px solid #e74c3c;
}
.danger-btn:hover:not(:disabled) {
    background-color: #c0392b;
    border-color: #c0392b;
}
.danger-btn:disabled, .danger-btn.disabled {
    opacity: 0.65;
    cursor: not-allowed;
}

.secondary-btn {
    background-color: #95a5a6;
    color: white;
    border: 1px solid #95a5a6;
}
.secondary-btn:hover:not(:disabled) {
    background-color: #7f8c8d;
    border-color: #7f8c8d;
}
.secondary-btn:disabled, .secondary-btn.disabled {
    opacity: 0.65;
    cursor: not-allowed;
}

/* 响应式设计 */
@media (max-width: 900px) {
    .community-main {
        flex-direction: column;
    }
    
    .community-sidebar {
        flex: none;
        width: 100%;
    }
    
    .community-stats {
        gap: 20px;
    }
}

@media (max-width: 600px) {
    .community-welcome {
        padding: 20px 15px;
    }
    
    .community-stats {
        flex-direction: column;
        gap: 15px;
    }
    
    .stat-item {
        padding: 10px;
        background-color: rgba(255, 255, 255, 0.7);
        border-radius: 5px;
    }
    
    .topic-categories {
        flex-wrap: nowrap;
        overflow-x: auto;
        padding-bottom: 10px;
    }
    
    .category-btn {
        white-space: nowrap;
    }
    
    .topic-item {
        padding: 15px;
    }
    
    .topic-title {
        font-size: 16px;
    }
}

/* 危险操作按钮样式 */
.danger-btn {
    background-color: #e74c3c;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.danger-btn:hover {
    background-color: #c0392b;
}

.secondary-btn {
    background-color: #95a5a6;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.secondary-btn:hover {
    background-color: #7f8c8d;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 20px;
}

/* 复选框组样式 */
.checkbox-group {
    margin-bottom: 8px;
    display: flex;
    align-items: center;
}

.checkbox-group input[type="checkbox"] {
    margin-right: 8px;
}

/* 隐藏元素 */
.hidden {
    display: none !important;
}

/* Make modal buttons full width on small screens */
@media (max-width: 480px) {
    .form-actions {
        flex-direction: column-reverse; /* Stack main actions on top of delete */
        align-items: stretch; /* Make buttons full width */
    }

    .form-actions .action-group-main {
        flex-direction: column-reverse; /* Stack Save on top of Cancel */
        width: 100%;
        gap: 10px; /* Adjust gap for vertical stacking */
    }
    .form-actions .btn { /* Apply to all buttons within form-actions */
        width: 100%; /* Make buttons full width */
        margin-left: 0; /* Reset any specific margins if present */
        margin-right: 0;
    }

    .delete-account-btn { /* Ensure it's also full width and has some top margin */
        width: 100%;
        margin-top: 10px; /* Add margin when stacked */
    }

    .modal-content {
        padding: 15px; /* Further reduce padding on very small screens */
    }

    .avatar-options {
        justify-content: center; /* Center avatar options on small screens */
    }
}