/* Theme Colors */
:root {
    --theme-color: #FF4500;
    --white: #fff;
    --light-gray: #aaa;
    --dark-gray: #666;
    --background: #fff;
}

/* Base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #1f2328;
    background-color: #ffffff;
    font-size: 16px;
}

.container {
    min-height: 100vh;
    display: grid;
    grid-template-rows: auto auto 1fr auto;
    grid-template-areas: 
        "header"
        "ask-ai"
        "main"
        "footer";
}

/* Header styles */
.main-header {
    grid-area: header;
    background: #ffffff;
    border-bottom: 1px solid #d1d9e0;
    padding: 16px 24px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-title {
    color: var(--theme-color);
    text-decoration: none;
    font-size: 20px;
    font-weight: 600;
}

.site-title:hover {
    color: var(--theme-color);
}

/* Ask AI styles */
.ask-ai-btn {
    background: var(--light-gray);
    color: var(--white);
    border: 2px solid var(--white);
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: background-color 0.2s;
}

.ask-ai-btn:hover {
    filter: brightness(1.1);
}

.ai-icon {
    font-size: 16px;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.ai-avatar-small {
    width: 20px !important;
    height: 20px !important;
    border-radius: 50%;
    vertical-align: middle;
    object-fit: cover;
    max-width: 20px;
    max-height: 20px;
}



.ask-ai-panel {
    grid-area: ask-ai;
    background: #f6f8fa;
    border-bottom: 1px solid #d1d9e0;
    padding: 24px;
}

.ask-ai-content {
    max-width: 1200px;
    margin: 0 auto;
}

.ask-ai-content h3 {
    color: #1f2328;
    margin-bottom: 8px;
}

.ask-ai-content p {
    color: #656d76;
    margin-bottom: 16px;
}

.ask-ai-form {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
}

.ask-ai-form input {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid #d1d9e0;
    border-radius: 6px;
    font-size: 14px;
}

.ask-ai-form button {
    background: var(--theme-color);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
}

.ai-response {
    background: white;
    border: 1px solid #d1d9e0;
    border-radius: 6px;
    padding: 16px;
    margin-top: 16px;
    min-height: 60px;
}

.loading {
    color: #656d76;
    font-style: italic;
}

.ai-answer {
    color: #1f2328;
    line-height: 1.5;
}

.error {
    color: #d1242f;
}

/* Chat system styles */
.auth-check {
    background: #f6f8fa;
    border: 1px solid #d1d9e0;
    border-radius: 6px;
    padding: 16px;
    text-align: center;
    margin-bottom: 16px;
}

/* Removed - duplicate definition exists later */

.chat-message {
    margin-bottom: 12px;
    padding: 8px;
    border-radius: 4px;
}

.user-message {
    background: var(--theme-color);
    color: white;
}

.ai-message {
    background: var(--light-gray);
    color: var(--white);
    border: 2px solid var(--white);
}

.typing-indicator {
    display: inline-block;
}

.typing-indicator::after {
    content: '...';
    animation: typing 1.5s infinite;
}

@keyframes typing {
    0% { content: '.'; }
    33% { content: '..'; }
    66% { content: '...'; }
}

/* Main content styles */
.main-content {
    grid-area: main;
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px;
    width: 100%;
}

/* Timeline styles */
.timeline-container {
    max-width: 600px;
    margin: 0 auto;
}

.timeline-header {
    margin-bottom: 24px;
    text-align: center;
}

.timeline-header h2 {
    color: #1f2328;
    font-size: 24px;
    font-weight: 600;
}

.timeline-feed {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.timeline-post {
    background: #ffffff;
    border: 1px solid #d1d9e0;
    border-radius: 8px;
    padding: 20px;
    transition: box-shadow 0.2s;
}

.timeline-post:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.post-header {
    margin-bottom: 12px;
}

.post-meta {
    display: flex;
    gap: 12px;
    align-items: center;
}

.post-date {
    color: #656d76;
    font-size: 14px;
}

.post-lang {
    background: #f6f8fa;
    color: #656d76;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
}

.post-title {
    margin-bottom: 8px;
}

.post-title a {
    color: #1f2328;
    text-decoration: none;
    font-size: 18px;
    font-weight: 600;
}

.post-title a:hover {
    color: var(--theme-color);
}

.post-excerpt {
    color: #656d76;
    margin-bottom: 16px;
    line-height: 1.5;
}

.post-actions {
    display: flex;
    gap: 16px;
    align-items: center;
}

.read-more {
    color: var(--theme-color);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
}

.read-more:hover {
    text-decoration: underline;
}

.view-markdown, .view-translation {
    color: #656d76;
    text-decoration: none;
    font-size: 14px;
    padding: 4px 8px;
    border-radius: 4px;
    transition: all 0.2s;
}

.view-markdown {
    background: var(--theme-color);
    color: var(--white);
    border: 1px solid var(--theme-color);
}

.view-markdown:hover {
    filter: brightness(1.1);
    color: var(--white);
}

.view-translation:hover {
    background: #f6f8fa;
}

.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: #656d76;
}

/* Article page styles */
.article-container {
    display: grid;
    grid-template-columns: 1fr 240px;
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.article-content {
    min-width: 0;
}

.article-header {
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 1px solid #d1d9e0;
}

.article-title {
    color: #1f2328;
    font-size: 32px;
    font-weight: 600;
    margin-bottom: 16px;
    line-height: 1.25;
}

.article-meta {
    display: flex;
    gap: 16px;
    align-items: center;
    margin-bottom: 16px;
}

.article-date {
    color: #656d76;
    font-size: 14px;
}

.article-lang {
    background: #f6f8fa;
    color: #656d76;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
}

.article-actions {
    display: flex;
    gap: 12px;
}

.action-btn {
    color: var(--theme-color);
    text-decoration: none;
    font-size: 14px;
    padding: 6px 12px;
    border: 1px solid #d1d9e0;
    border-radius: 6px;
    transition: all 0.2s;
}

.action-btn:hover {
    background: #f6f8fa;
    border-color: var(--theme-color);
}

.markdown-btn {
    background: #fd7e14;
    color: white;
    border-color: #fd7e14;
}

.markdown-btn:hover {
    background: #e8690b;
    border-color: #e8690b;
    color: white;
}

/* Article content */
.article-body {
    color: #1f2328;
    line-height: 1.6;
}

.article-body h1,
.article-body h2,
.article-body h3,
.article-body h4,
.article-body h5,
.article-body h6 {
    color: #1f2328;
    margin-top: 24px;
    margin-bottom: 16px;
    font-weight: 600;
    line-height: 1.25;
}

.article-body h1 { font-size: 32px; }
.article-body h2 { font-size: 24px; }
.article-body h3 { font-size: 20px; }
.article-body h4 { font-size: 16px; }

.article-body p {
    margin-bottom: 16px;
}

.article-body ul,
.article-body ol {
    margin-bottom: 16px;
    padding-left: 24px;
}

.article-body li {
    margin-bottom: 4px;
}

.article-body blockquote {
    border-left: 4px solid #d1d9e0;
    padding-left: 16px;
    margin: 16px 0;
    color: #656d76;
}

/* Molokai-inspired code blocks */
.article-body pre {
    background: #1B1D1E;
    border: 1px solid #3E3D32;
    border-radius: 8px;
    padding: 0;
    overflow: hidden;
    margin: 16px 0;
    font-size: 14px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* Code filename header */
.article-body pre[data-filename]::before {
    content: attr(data-filename);
    display: block;
    background: #272822;
    color: #A6E22E;
    padding: 8px 16px;
    border-bottom: 1px solid #3E3D32;
    font-family: 'SF Mono', 'Monaco', 'Cascadia Code', 'Roboto Mono', monospace;
    font-size: 12px;
    font-weight: 500;
}

.article-body pre code {
    display: block;
    background: none;
    padding: 16px;
    color: #F8F8F2;
    font-family: 'SF Mono', 'Monaco', 'Cascadia Code', 'Roboto Mono', monospace;
    overflow-x: auto;
    line-height: 1.4;
}

/* Inline code */
.article-body code {
    background: #2F3129;
    color: #A6E22E;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'SF Mono', 'Monaco', 'Cascadia Code', 'Roboto Mono', monospace;
    font-size: 13px;
    border: 1px solid #3E3D32;
}

/* Molokai color scheme for syntax highlighting */
.article-body pre code .hljs-keyword { color: #F92672; }
.article-body pre code .hljs-string { color: #E6DB74; }
.article-body pre code .hljs-comment { color: #75715E; font-style: italic; }
.article-body pre code .hljs-number { color: #AE81FF; }
.article-body pre code .hljs-variable { color: #FD971F; }
.article-body pre code .hljs-function { color: #A6E22E; }
.article-body pre code .hljs-tag { color: #F92672; }
.article-body pre code .hljs-attr { color: #A6E22E; }
.article-body pre code .hljs-value { color: #E6DB74; }

/* Sidebar styles */
.article-sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.toc {
    background: #f6f8fa;
    border: 1px solid #d1d9e0;
    border-radius: 8px;
    padding: 16px;
}

.toc h3 {
    color: #1f2328;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 12px;
}

.toc-list {
    list-style: none;
}

.toc-item {
    margin-bottom: 8px;
}

.toc-link {
    color: #656d76;
    text-decoration: none;
    font-size: 14px;
    line-height: 1.4;
    display: block;
    padding: 4px 0;
    transition: color 0.2s;
}

.toc-link:hover {
    color: var(--theme-color);
}

.toc-h1 { padding-left: 0; }
.toc-h2 { padding-left: 12px; }
.toc-h3 { padding-left: 24px; }
.toc-h4 { padding-left: 36px; }
.toc-h5 { padding-left: 48px; }
.toc-h6 { padding-left: 60px; }

.no-toc {
    color: #656d76;
    font-size: 14px;
    font-style: italic;
}

/* Footer styles */
.main-footer {
    grid-area: footer;
    background: #f6f8fa;
    border-top: 1px solid #d1d9e0;
    padding: 24px;
    text-align: center;
}

.main-footer p {
    color: #656d76;
    font-size: 14px;
}

/* Comment System Styles */
.comment-section {
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid #d1d9e0;
}

.comment-container {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.comment-section h3 {
    color: #1f2328;
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 32px;
    text-align: center;
}

.comment-auth {
    margin-bottom: 32px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

/* Auth widget integration styles */
.comment-auth {
    margin-bottom: 32px;
    display: flex;
    justify-content: center;
}

/* Remove old login form styles - now handled by auth widget */

.comment-form {
    margin-bottom: 32px;
    text-align: left;
}

.comment-form textarea {
    width: 100%;
    padding: 16px;
    border: 2px solid #d1d9e0;
    border-radius: 12px;
    resize: vertical;
    font-family: inherit;
    font-size: 16px;
    line-height: 1.5;
    margin-bottom: 16px;
    transition: border-color 0.2s;
}

.comment-form textarea:focus {
    outline: none;
    border-color: var(--theme-color);
    box-shadow: 0 0 0 3px rgba(9, 105, 218, 0.1);
}

.submit-btn {
    background: #dc2626;
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.2s;
    width: 100%;
}

.submit-btn:hover {
    background: #b91c1c;
    transform: translateY(-1px);
}

.comments-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    text-align: left;
    margin-top: 32px;
}

.comment {
    background: #f6f8fa;
    border: 1px solid #d1d9e0;
    border-radius: 8px;
    padding: 16px;
}

.comment-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.comment-header strong {
    color: #1f2328;
    font-weight: 600;
}

.comment-header time {
    color: #656d76;
    font-size: 12px;
}

.comment-body {
    color: #1f2328;
    line-height: 1.5;
}

.loading, .no-comments, .error {
    text-align: center;
    padding: 24px;
    color: #656d76;
    font-style: italic;
}

.error {
    color: #d1242f;
    background: #fef2f2;
    border-radius: 6px;
}

.no-comments {
    background: #f6f8fa;
    border-radius: 6px;
}

/* Responsive design */
@media (max-width: 1024px) {
    .article-container {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .article-sidebar {
        position: static;
        order: -1;
    }
}

@media (max-width: 768px) {
    .main-header {
        padding: 12px 16px;
    }
    
    .header-content {
        gap: 16px;
    }
    
    .ask-ai-panel {
        padding: 16px;
    }
    
    .ask-ai-form {
        flex-direction: column;
    }
    
    .timeline-container {
        max-width: 100%;
    }
    
    .timeline-post {
        padding: 16px;
    }
    
    .article-title {
        font-size: 24px;
    }
    
    .article-actions {
        flex-wrap: wrap;
    }
    
    .main-content {
        padding: 16px;
    }
    
    .comment-container {
        max-width: 100%;
        padding: 0 16px;
    }
    
    .atproto-login-btn {
        min-width: 160px;
        font-size: 16px;
        padding: 14px 24px;
    }
    
    .comment-form textarea {
        font-size: 16px; /* Prevent zoom on iOS */
    }
}

/* Build Info Styles */
.build-info {
    text-align: center;
    color: #656d76;
    font-size: 12px;
    margin-bottom: 16px;
    padding: 8px;
    background: #f6f8fa;
    border-radius: 4px;
    border: 1px solid #e1e4e8;
}

/* Comment System Styles */
.comment-form-section {
    border: 1px solid #d1d9e0;
    border-radius: 8px;
    padding: 16px;
    margin: 16px 0;
    background: #f6f8fa;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid #d1d9e0;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.user-details {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.user-display-name {
    font-weight: 600;
    color: #1f2328;
}

.user-handle {
    font-size: 14px;
    color: #656d76;
}

.logout-btn {
    background: #f6f8fa;
    border: 1px solid #d1d9e0;
    border-radius: 6px;
    padding: 6px 12px;
    font-size: 14px;
    color: #656d76;
    cursor: pointer;
}

.logout-btn:hover {
    background: #eaeef2;
    border-color: #afb8c1;
}

.comment-composer {
    position: relative;
}

#comment-text {
    width: 100%;
    border: 1px solid #d1d9e0;
    border-radius: 6px;
    padding: 12px;
    font-family: inherit;
    font-size: 14px;
    line-height: 1.5;
    resize: vertical;
    min-height: 80px;
}

#comment-text:focus {
    outline: none;
    border-color: var(--theme-color);
    box-shadow: 0 0 0 3px rgba(9, 105, 218, 0.1);
}

.comment-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 8px;
}

.char-count {
    font-size: 12px;
    color: #656d76;
}

.char-count.warning {
    color: #d1242f;
}

.post-comment-btn {
    background: #1f883d;
    color: white;
    border: none;
    border-radius: 6px;
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
}

.post-comment-btn:disabled {
    background: #8c959f;
    cursor: not-allowed;
}

.post-comment-btn:not(:disabled):hover {
    background: #1a7f37;
}

.post-comment-btn.posting {
    background: #656d76;
    cursor: wait;
}

/* Comment Display */
.comment-item {
    border: 1px solid #d1d9e0;
    border-radius: 8px;
    padding: 16px;
    margin: 12px 0;
    background: white;
}

.comment-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.comment-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
}

.comment-author {
    font-weight: 600;
    color: #1f2328;
}

.comment-handle {
    color: #656d76;
    font-size: 14px;
}

.comment-timestamp {
    color: #656d76;
    font-size: 12px;
    margin-left: auto;
}

.comment-content {
    color: #1f2328;
    line-height: 1.5;
    white-space: pre-wrap;
}

.loading-comments {
    text-align: center;
    color: #656d76;
    font-style: italic;
    padding: 20px;
}

/* OAuth Comment System - Hide on homepage by default, show on post pages */
.timeline-container .comment-section {
    display: none; /* Hide on homepage by default */
}

.article-container .comment-section,
.article-content + .comment-section {
    display: block; /* Show on post pages */
}

/* Simple AI loading indicator */
.ai-loading-simple {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 15px;
    background: linear-gradient(90deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 20px;
    margin: 8px 0;
    font-size: 14px;
    color: #495057;
    border: 1px solid #dee2e6;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    animation: slideIn 0.3s ease-out;
}

.ai-loading-simple .fa-robot {
    color: #007bff;
}

.ai-loading-simple .fa-spinner {
    color: #6c757d;
    animation: fa-spin 1s infinite linear;
}

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


/* AI Chat comment-style messages */
.chat-message.comment-style {
    background: #ffffff;
    border: 1px solid #d1d9e0;
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 12px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.chat-message.user-message.comment-style {
    border-left: 4px solid var(--theme-color);
}

.chat-message.ai-message.comment-style {
    border-left: 4px solid var(--light-gray);
    border: 2px solid var(--white);
    background: #faf8ff;
}

.chat-message.error-message.comment-style {
    border-left: 4px solid #dc2626;
    background: #fef2f2;
}

.message-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.message-header .avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #f6f8fa;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    border: 1px solid #d1d9e0;
}

.user-info {
    flex: 1;
}

.display-name {
    font-weight: 600;
    color: #1f2328;
    font-size: 14px;
}

.handle {
    color: #656d76;
    font-size: 13px;
}

.timestamp {
    color: #656d76;
    font-size: 12px;
    margin-top: 2px;
}

.message-content {
    color: #1f2328;
    line-height: 1.5;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.chat-history {
    padding: 8px 0;
    /* Removed max-height and overflow for no-scroll approach */
}



/* Profile avatar in messages */
.profile-avatar {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
}

@media (max-width: 768px) {
    .comment-form-section {
        margin: 16px 0;
        padding: 12px;
    }
    
    .user-info {
        gap: 8px;
    }
    
    .user-avatar {
        width: 32px;
        height: 32px;
    }
    
    .comment-actions {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }
    
    .message-header .avatar {
        width: 32px;
        height: 32px;
        font-size: 16px;
    }
    
    .chat-message.comment-style {
        padding: 12px;
    }
    
    .message-header {
        gap: 8px;
        margin-bottom: 8px;
    }
}