/* CSS Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Light Theme (Default) */
:root {
    /* Primary colors */
    --primary-color: #0f5faf;
    --primary-hover: #1d4ed8;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    
    /* Background colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f3f4f6;
    --bg-tertiary: #f8f9fa;
    --bg-hover: #f9fafb;
    
    /* Text colors */
    --text-primary: #111827;
    --text-secondary: #4b5563;
    --text-tertiary: #6b7280;
    --text-muted: #9ca3af;
    
    /* Border colors */
    --border-primary: #e5e7eb;
    --border-secondary: #d1d5db;
    
    /* Component specific */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --code-bg: #e5e7eb;
    --code-text: #111827;
    --blockquote-border: #d1d5db;
    --link-hover: #2563eb;
    
    /* Status colors */
    --status-error-bg: #fef2f2;
    --status-error-border: #fecaca;
    --status-info-bg: #d1ecf1;
    --status-info-text: #0c5460;
    
    /* Tag colors */
    --tag-bg: #e0f2fe;
    --tag-text: #0369a1;
    --tag-border: #7dd3fc;
    --bg-danger: #fee2e2;
}

/* Dark Theme - Applied via manual toggle or system preference (handled by JS) */
:root.dark-theme,
html.dark-theme {
    /* Primary colors remain vibrant */
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --success-color: #10b981;
    --danger-color: #f87171;
    --warning-color: #fbbf24;
    --score-bar-bg: #3b82f6;
    
    /* Background colors - dark variants */
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --bg-hover: #334155;
    
    /* Text colors - light variants */
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-tertiary: #94a3b8;
    --text-muted: #64748b;
    
    /* Border colors */
    --border-primary: #334155;
    --border-secondary: #475569;
    
    /* Component specific */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
    --code-bg: #1e293b;
    --code-text: #e2e8f0;
    --blockquote-border: #475569;
    --link-hover: #60a5fa;
    
    /* Status colors */
    --status-error-bg: rgba(248, 113, 113, 0.1);
    --status-error-border: rgba(248, 113, 113, 0.3);
    --status-info-bg: rgba(96, 165, 250, 0.1);
    --status-info-text: #60a5fa;
    
    /* Tag colors */
    --tag-bg: rgba(59, 130, 246, 0.1);
    --tag-text: #60a5fa;
    --tag-border: rgba(59, 130, 246, 0.3);
    --bg-danger: rgba(239, 68, 68, 0.1);
}

/* Base Styles */
html {
    /* Ensure CSS variables cascade properly in Safari */
    color-scheme: light;
}

html.dark-theme {
    color-scheme: dark;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Header */
header {
    background-color: var(--bg-primary);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: background-color 0.3s ease;
}

nav {
    padding: 1rem 0;
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

nav h1 {
    font-size: 1.5rem;
    font-weight: 700;
}

nav h1 a {
    color: var(--primary-color);
    text-decoration: none;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo {
    width: 24px;
    height: 24px;
    color: var(--primary-color);
    transition: transform 0.2s ease;
}

.logo-link:hover .logo {
    transform: scale(1.1);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary-color);
}

/* Main Content */
main {
    min-height: calc(100vh - 200px);
    padding: 2rem 0;
}

/* Articles Header */
.articles-header {
    margin-bottom: 2rem;
}

.articles-header h2 {
    font-size: 1.5rem;
    margin-top: 1rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    display: flex;
    align-items: baseline;
}


/* View Toggle in Filters */
.view-toggle-buttons {
    display: flex;
    border: 1px solid var(--border-secondary);
    border-radius: 0.25rem;
    overflow: hidden;
}

.btn-view-toggle {
    padding: 0.5rem;
    background-color: var(--bg-primary);
    color: var(--text-secondary);
    border: none;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s;
    border-right: 1px solid var(--border-secondary);
    min-width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-view-toggle:last-child {
    border-right: none;
}

.btn-view-toggle:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

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

.article-count {
    font-size: 1.5rem;
    font-weight: normal;
    color: var(--text-secondary);
    margin-left: 0.5rem;
    opacity: 0.7;
}

/* Filters */
.filters {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    padding: 1rem;
    background-color: var(--bg-primary);
    border-radius: 0.5rem;
    box-shadow: var(--shadow-sm);
    transition: background-color 0.3s ease;
}

.filters label {
    font-weight: 500;
    color: var(--text-secondary);
}

.filters input[type="range"] {
    width: 150px;
}

.filters select {
    padding: 0.5rem;
    border: 1px solid var(--border-secondary);
    border-radius: 0.25rem;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
}

.toggle-buttons-group {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.btn-toggle {
    padding: 0.5rem 0.75rem;
    background-color: var(--bg-primary);
    color: var(--text-secondary);
    border: 1px solid var(--border-secondary);
    border-radius: 0.25rem;
    font-weight: 500;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    height: 36px;
}

.btn-toggle:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

.btn-toggle.active {
    background-color: var(--danger-color);
    color: white;
    border-color: var(--danger-color);
}

/* Article Cards */
.article-card {
    background-color: var(--bg-primary);
    border-radius: 0.5rem;
    padding: 1.5rem;
    margin-bottom: 1rem;
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.2s, background-color 0.3s ease;
}

.article-card:hover {
    box-shadow: var(--shadow-md);
}

/* View Mode Visibility */
.view-expanded .condensed-only {
    display: none;
}

.view-condensed .expanded-only {
    display: none;
}

/* Condensed View Styles */
.view-condensed .article-card {
    padding: 0.75rem 1rem;
    margin-bottom: 0.5rem;
}

.article-header-condensed {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.condensed-main {
    flex: 1;
    min-width: 0;
}

.condensed-main h3 {
    font-size: 1rem;
    margin: 0 0 0.25rem 0;
    line-height: 1.3;
}

.condensed-main h3 a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.2s;
}

.condensed-main h3 a:hover {
    color: var(--primary-color);
}

.condensed-meta {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

.condensed-meta .feed-name {
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
}

.score-badge {
    background-color: var(--primary-color);
    color: white;
    padding: 0.125rem 0.375rem;
    border-radius: 0.25rem;
    font-size: 0.75rem;
    font-weight: 600;
    transition: background-color 0.3s ease;
}

.score-badge.score-low {
    background-color: #6b7280; /* gray */
}

.score-badge.score-medium {
    background-color: #eab308; /* yellow */
}

.score-badge.score-high {
    background-color: #22c55e; /* green */
}

.condensed-actions {
    display: flex;
    gap: 0.25rem;
    align-items: center;
}

.btn-like-small,
.btn-dislike-small {
    padding: 0.25rem 0.5rem;
    border: 1px solid var(--border-secondary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    border-radius: 0.25rem;
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.2s;
    min-width: 2rem;
}

.btn-like-small:hover,
.btn-dislike-small:hover {
    background-color: var(--bg-hover);
}

.btn-like-small.active {
    background-color: var(--success-color);
    color: white;
    border-color: var(--success-color);
}

.btn-dislike-small.active {
    background-color: var(--danger-color);
    color: white;
    border-color: var(--danger-color);
}

.article-header h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.article-header h3 a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.2s;
}

.article-header h3 a:hover {
    color: var(--primary-color);
}

.article-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--text-tertiary);
    margin-bottom: 1rem;
}

.feed-name {
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s;
}

.feed-name.clickable-feed:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

.article-description {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.article-summary {
    color: var(--text-primary);
    margin-bottom: 1rem;
    line-height: 1.6;
}

/* Classification Section */
.classification {
    margin: 1rem 0;
    background-color: var(--bg-secondary);
    border-radius: 0.5rem;
    overflow: hidden;
}

.score-bar {
    position: relative;
    height: 32px;
    background-color: #3b82f6;
    display: flex;
    align-items: center;
    transition: width 0.3s ease, background-color 0.3s ease;
}

/* Score-based colors */
.score-bar.score-low {
    background-color: #6b7280; /* gray */
}

.score-bar.score-medium {
    background-color: #eab308; /* yellow */
}

.score-bar.score-high {
    background-color: #22c55e; /* green */
}

.score-text {
    padding-left: 1rem;
    font-size: 1rem;
    font-weight: 600;
    color: white;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
    white-space: nowrap;
}

.explanation {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-style: italic;
    margin: 1rem 0 0.5rem 0;
}

.topics {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin: 0.5rem 0 1rem 0;
}

.topics .topic-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: var(--primary-color);
    color: white;
    font-size: 0.75rem;
    border-radius: 9999px;
    text-decoration: none;
    transition: background-color 0.2s, transform 0.2s;
}

.topics .topic-tag.clickable-topic:hover {
    background-color: var(--primary-hover);
    transform: scale(1.05);
    cursor: pointer;
}

/* Topic preferences in settings */
.topic-list {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.topic-preferred {
    background-color: var(--success-color);
    color: white;
}

.topic-avoided {
    background-color: var(--danger-color);
    color: white;
}

/* Article Actions */
.article-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.btn-feedback,
.btn-content,
.btn-extract {
    padding: 0.375rem 0.75rem;
    border: 1px solid var(--border-secondary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    border-radius: 0.25rem;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-feedback:hover {
    background-color: var(--bg-hover);
}

.btn-like.active {
    background-color: var(--success-color);
    color: white;
    border-color: var(--success-color);
}

.btn-dislike.active {
    background-color: var(--danger-color);
    color: white;
    border-color: var(--danger-color);
}

.article-content {
    margin-top: 1rem;
    padding: 1rem;
    background-color: var(--bg-tertiary);
    border-radius: 0.25rem;
    display: none;
    transition: background-color 0.3s ease;
}

.article-content:not(:empty) {
    display: block;
}

/* Loading Indicator */
.htmx-indicator {
    display: none;
    color: var(--primary-color);
    font-weight: 500;
}

.htmx-request .htmx-indicator {
    display: inline-block;
}

/* Article content display */
.extracted-content {
    margin-top: 1rem;
    padding: 1rem;
    background-color: var(--bg-tertiary);
    border-radius: 0.25rem;
    border: 1px solid var(--border-primary);
}

.extracted-content h4 {
    margin-top: 0;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.content-text {
    max-height: 400px;
    overflow-y: auto;
    margin: 0 0 1rem 0;
}

/* RSS Help Page Styles */
.rss-help-header {
    text-align: center;
    margin-bottom: 2rem;
}

.rss-help-header h2 {
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.rss-help-content {
    max-width: 800px;
    margin: 0 auto;
}

.rss-section {
    margin-bottom: 3rem;
    padding: 1.5rem;
    background-color: var(--bg-secondary);
    border-radius: 0.5rem;
    border: 1px solid var(--border-primary);
}

.rss-section h3 {
    margin-top: 0;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.5rem;
}

.rss-feed-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.rss-feed-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: 0.25rem;
    transition: background-color 0.2s ease;
}

.rss-feed-item:hover {
    background-color: var(--bg-hover);
}

.rss-feed-info {
    flex: 1;
}

.rss-feed-info h4 {
    margin: 0 0 0.5rem 0;
    color: var(--text-primary);
}

.rss-feed-info p {
    margin: 0 0 0.5rem 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.rss-url {
    background-color: var(--bg-tertiary);
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    color: var(--primary-color);
    border: 1px solid var(--border-secondary);
}

.btn-copy {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 0.25rem;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.2s ease;
    min-width: 60px;
}

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

.rss-builder {
    background-color: var(--bg-primary);
    padding: 1.5rem;
    border-radius: 0.25rem;
    border: 1px solid var(--border-primary);
}

.builder-controls {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.builder-controls .form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.builder-controls label {
    font-weight: 500;
    color: var(--text-primary);
}

.builder-controls select,
.builder-controls input[type="range"] {
    padding: 0.5rem;
    border: 1px solid var(--border-primary);
    border-radius: 0.25rem;
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

.builder-output {
    border-top: 1px solid var(--border-primary);
    padding-top: 1rem;
}

.builder-output label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

.rss-url-output {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.rss-url-output code {
    flex: 1;
    padding: 0.75rem;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-secondary);
    border-radius: 0.25rem;
    font-family: 'Courier New', monospace;
    color: var(--primary-color);
}

.rss-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.rss-info-item {
    padding: 1rem;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: 0.25rem;
}

.rss-info-item h4 {
    margin: 0 0 0.75rem 0;
    color: var(--text-primary);
}

.rss-info-item ul {
    margin: 0;
    padding-left: 1.2rem;
}

.rss-info-item li {
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.rss-instructions {
    background-color: var(--bg-primary);
    padding: 1.5rem;
    border-radius: 0.25rem;
    border: 1px solid var(--border-primary);
}

.rss-instructions ol {
    margin: 0 0 1rem 0;
    padding-left: 1.5rem;
}

.rss-instructions li {
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.rss-tip {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--primary-color);
    border-radius: 0.25rem;
    padding: 1rem;
    margin-top: 1rem;
}

.rss-tip strong {
    color: var(--primary-color);
}

.no-topics {
    color: var(--text-secondary);
    font-style: italic;
    text-align: center;
    padding: 1rem;
}

.topic-stats {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: normal;
}

.topic-explanation {
    margin-top: 2rem;
    padding: 1.5rem;
    background-color: var(--bg-tertiary);
    border-radius: 0.25rem;
    border: 1px solid var(--border-secondary);
}

.topic-explanation h4 {
    margin: 0 0 1rem 0;
    color: var(--text-primary);
}

.topic-explanation ul {
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.topic-explanation li {
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.topic-tip {
    background-color: var(--bg-primary);
    border: 1px solid var(--primary-color);
    border-radius: 0.25rem;
    padding: 0.75rem;
    margin-top: 1rem;
    font-size: 0.9rem;
}

.topic-tip strong {
    color: var(--primary-color);
}

/* Responsive design for RSS help */
@media (max-width: 768px) {
    .rss-feed-item {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }
    
    .builder-controls {
        grid-template-columns: 1fr;
    }
    
    .rss-url-output {
        flex-direction: column;
        align-items: stretch;
    }
    
    .rss-info-grid {
        grid-template-columns: 1fr;
    }
}
    padding: 0;
    line-height: 1.6;
    color: var(--text-primary);
}

/* Rich content formatting */
.content-text p {
    margin-bottom: 1em;
    white-space: normal;
}

.content-text p:first-child {
    margin-top: 0;
}

.content-text h3, .content-text h4, 
.content-text h5, .content-text h6 {
    margin: 1.5em 0 0.5em 0;
    font-weight: 600;
    white-space: normal;
    color: var(--text-primary);
}

.content-text h3 { font-size: 1.3em; }
.content-text h4 { font-size: 1.2em; }
.content-text h5 { font-size: 1.1em; }
.content-text h6 { font-size: 1em; }

.content-text ul, .content-text ol {
    margin: 1em 0;
    padding-left: 2em;
}

.content-text li {
    margin: 0.5em 0;
    white-space: normal;
}

.content-text blockquote {
    border-left: 3px solid var(--blockquote-border);
    padding-left: 1em;
    margin: 1em 0;
    color: var(--text-secondary);
    font-style: italic;
}

.content-text code {
    background: var(--code-bg);
    color: var(--code-text);
    padding: 0.2em 0.4em;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
    white-space: pre-wrap;
    word-break: break-word;
}

.content-text pre {
    background: var(--code-bg);
    padding: 1em;
    border-radius: 5px;
    overflow-x: auto;
    margin: 1em 0;
    white-space: pre;
    line-height: 1.5;
}

.content-text pre code {
    background: none;
    padding: 0;
    color: var(--code-text);
    white-space: pre;
    display: block;
}

.close-btn {
    background: var(--text-muted);
    color: white;
    border: none;
    padding: 5px 15px;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.close-btn:hover {
    background: var(--text-secondary);
}

.extraction-error {
    background: var(--status-error-bg);
    color: var(--danger-color);
    padding: 10px;
    border-radius: 4px;
    margin-top: 10px;
    border: 1px solid var(--status-error-border);
}

.no-content {
    background: var(--status-info-bg);
    color: var(--status-info-text);
    padding: 10px;
    border-radius: 4px;
    margin-top: 10px;
}

/* No Articles Message */
.no-articles {
    text-align: center;
    color: var(--text-tertiary);
    padding: 3rem;
    font-size: 1.125rem;
}

/* Footer */
footer {
    background-color: var(--bg-primary);
    border-top: 1px solid var(--border-primary);
    padding: 2rem 0;
    margin-top: 4rem;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

footer p {
    text-align: center;
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

/* Feeds Page */
.feeds-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1.5rem;
    margin-bottom: 2rem;
}

.feed-form {
    background-color: var(--bg-primary);
    border-radius: 0.5rem;
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
    transition: background-color 0.3s ease;
}

.feed-form h3 {
    margin-top: 0;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.25rem;
    color: var(--text-secondary);
}

.form-group input {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid var(--border-secondary);
    border-radius: 0.25rem;
    font-size: 1rem;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

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

.form-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1.5rem;
}

.feeds-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.feed-card {
    background-color: var(--bg-primary);
    border-radius: 0.5rem;
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: background-color 0.3s ease;
}

.feed-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.feed-header h3 {
    margin: 0;
    color: var(--text-primary);
}

.feed-status {
    display: flex;
    gap: 0.5rem;
}

.status-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
}

.status-enabled {
    background-color: var(--success-color);
    color: white;
}

.status-disabled {
    background-color: var(--text-muted);
    color: white;
}

.status-error {
    background-color: var(--danger-color);
    color: white;
}

.feed-details {
    margin-bottom: 1rem;
}

.feed-url {
    font-family: monospace;
    font-size: 0.875rem;
    color: var(--text-secondary);
    word-break: break-all;
}

.feed-description {
    color: var(--text-secondary);
    margin: 0.5rem 0;
}

.feed-meta {
    display: flex;
    gap: 1.5rem;
    font-size: 0.875rem;
    color: var(--text-tertiary);
    margin-top: 0.5rem;
}

.feed-error {
    background-color: var(--status-error-bg);
    border: 1px solid var(--status-error-border);
    border-radius: 0.25rem;
    padding: 0.75rem;
    margin-top: 0.5rem;
    color: var(--danger-color);
    font-size: 0.875rem;
}

.feed-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.feed-edit-form {
    margin: 1rem 0;
    padding: 1rem;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-secondary);
    border-radius: 0.25rem;
    transition: background-color 0.3s ease;
}

.feed-edit-form .form-group {
    margin-bottom: 0.75rem;
}

.feed-edit-form .form-actions {
    margin-top: 1rem;
}

.no-feeds {
    text-align: center;
    color: var(--text-tertiary);
    padding: 3rem;
    font-size: 1.125rem;
}

/* Button Styles */
.btn-primary {
    padding: 0.5rem 1rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 0.25rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s;
}

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

.btn-secondary {
    padding: 0.5rem 1rem;
    background-color: var(--bg-primary);
    color: var(--text-secondary);
    border: 1px solid var(--border-secondary);
    border-radius: 0.25rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-secondary:hover {
    background-color: var(--bg-hover);
    border-color: var(--border-primary);
}

.btn-danger {
    padding: 0.5rem 1rem;
    background-color: var(--bg-primary);
    color: var(--danger-color);
    border: 1px solid var(--danger-color);
    border-radius: 0.25rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-danger:hover {
    background-color: var(--danger-color);
    color: white;
}

/* Responsive Design */
@media (max-width: 768px) {
    .filters {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filters input[type="range"] {
        width: 100%;
    }
    
    .article-meta {
        flex-direction: column;
        gap: 0.25rem;
    }
    
    .article-actions {
        flex-wrap: wrap;
    }
    
    .feed-meta {
        flex-direction: column;
        gap: 0.25rem;
    }
    
    .feed-actions {
        flex-wrap: wrap;
    }
    
    /* View toggle responsive */
    .view-toggle-buttons {
        order: 1; /* Put view toggle at the end on mobile */
    }
    
    /* Condensed view responsive */
    .article-header-condensed {
        flex-direction: column;
        align-items: stretch;
        gap: 0.5rem;
    }
    
    .condensed-meta {
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    
    .condensed-actions {
        align-self: flex-end;
    }
}

/* Settings Page */
.settings-page {
    max-width: 900px;
    margin: 0 auto;
}

.page-header {
    margin-bottom: 2rem;
}

.page-header h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.page-header .text-muted {
    color: var(--text-tertiary);
}

.alert {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: 0.5rem;
    padding: 1rem;
    margin-bottom: 2rem;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.alert-info {
    background: var(--status-info-bg);
    color: var(--status-info-text);
}

.alert i {
    font-size: 1.25rem;
}

.settings-group {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.settings-section {
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: 0.5rem;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.section-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.25rem 1.5rem;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-primary);
}

.section-header i {
    font-size: 1.25rem;
    color: var(--primary-color);
}

.section-header h3 {
    margin: 0;
    font-size: 1.25rem;
    color: var(--text-primary);
}

.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    padding: 1.5rem;
}

.setting-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.setting-item label {
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.setting-value {
    font-size: 1rem;
    color: var(--text-primary);
    padding: 0.75rem;
    background: var(--bg-secondary);
    border-radius: 0.375rem;
    border: 1px solid var(--border-primary);
    transition: all 0.2s ease;
}

.setting-value.text-mono {
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
}

.setting-value.text-success {
    color: var(--success-color);
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.3);
}

.setting-value.text-danger {
    color: var(--danger-color);
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.3);
}

.setting-value.text-muted {
    color: var(--text-muted);
}

.subsection-header {
    margin: 0 1.5rem 1rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-primary);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.settings-footer {
    margin-top: 3rem;
    padding: 2rem;
    background: var(--bg-tertiary);
    border-radius: 0.5rem;
    text-align: center;
}

.help-text {
    color: var(--text-secondary);
}

.help-text a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

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

.settings-section code {
    background: var(--code-bg);
    color: var(--code-text);
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
    font-family: monospace;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .settings-grid {
        grid-template-columns: 1fr;
    }
    
    .section-header {
        padding: 1rem;
    }
    
    .settings-grid {
        padding: 1rem;
    }
}

/* Smooth scrollbar for dark mode */
@media (prefers-color-scheme: dark) {
    /* Custom scrollbar for webkit browsers */
    ::-webkit-scrollbar {
        width: 12px;
        height: 12px;
    }
    
    ::-webkit-scrollbar-track {
        background: var(--bg-secondary);
    }
    
    ::-webkit-scrollbar-thumb {
        background: var(--border-secondary);
        border-radius: 6px;
    }
    
    ::-webkit-scrollbar-thumb:hover {
        background: var(--text-muted);
    }
    
    /* Firefox */
    * {
        scrollbar-width: thin;
        scrollbar-color: var(--border-secondary) var(--bg-secondary);
    }
}

/* Pagination Styles */
.pagination {
    margin-top: 2rem;
    padding: 1rem 0;
    border-top: 1px solid var(--border-primary);
}

.pagination-info {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.pagination-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.pagination-btn {
    display: inline-block;
    padding: 0.5rem 0.875rem;
    background: var(--bg-primary);
    color: var(--text-primary);
    text-decoration: none;
    border: 1px solid var(--border-primary);
    border-radius: 0.375rem;
    font-size: 0.875rem;
    transition: all 0.2s ease;
    min-width: 2.5rem;
    text-align: center;
}

.pagination-btn:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--border-secondary);
}

.pagination-btn.current {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    font-weight: 600;
}

/* Responsive pagination */
@media (max-width: 640px) {
    .pagination-controls {
        gap: 0.25rem;
    }
    
    .pagination-btn {
        padding: 0.375rem 0.625rem;
        font-size: 0.8rem;
        min-width: 2rem;
    }
    
    .pagination-info {
        font-size: 0.8rem;
    }
}

/* Topic Management */
.topic-preferences-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin: 1.5rem;
}

.topic-section {
    background: var(--bg-secondary);
    border-radius: 0.5rem;
    padding: 1.5rem;
    border: 1px solid var(--border-primary);
}

.topic-section .subsection-header {
    margin: 0 0 1rem 0;
    padding: 0;
    border: none;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-primary);
}

.topic-management {
    margin-bottom: 0;
}

.topic-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
    min-height: 3rem;
    padding: 1rem;
    background: var(--bg-primary);
    border-radius: 0.375rem;
    border: 1px solid var(--border-primary);
}

.topic-list:empty::before {
    content: "No topics selected";
    color: var(--text-muted);
    font-size: 0.875rem;
    font-style: italic;
}

.topic-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid transparent;
    padding: 0.375rem 0.75rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.topic-tag i {
    font-size: 0.75rem;
    opacity: 0.8;
}

.topic-tag.topic-preferred {
    background: var(--tag-bg);
    color: var(--tag-text);
    border-color: var(--tag-border);
}

.topic-tag.topic-avoided {
    background: var(--bg-danger);
    color: var(--danger-color);
    border-color: var(--danger-color);
}

.topic-delete {
    background: none;
    border: none;
    color: inherit;
    font-size: 1.25rem;
    line-height: 1;
    cursor: pointer;
    padding: 0;
    margin-left: 0.25rem;
    opacity: 0.6;
    transition: opacity 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.25rem;
    height: 1.25rem;
}

.topic-delete:hover {
    opacity: 1;
}

.topic-add-form {
    display: flex;
    gap: 0.5rem;
    align-items: stretch;
}

.topic-select {
    flex: 1;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border-primary);
    border-radius: 0.375rem;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.875rem;
    cursor: pointer;
}

.topic-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-color-alpha);
}

.topic-add-form .btn {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.topic-add-form .btn i {
    font-size: 0.75rem;
}


/* Responsive topic preferences */
@media (max-width: 768px) {
    .topic-preferences-container {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

/* Helper text */
small.text-muted {
    display: block;
    margin-top: 0.25rem;
    color: var(--text-secondary);
    font-size: 0.8rem;
    line-height: 1.3;
}

/* Tab Navigation */
.settings-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--border-primary);
}

.settings-tab {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: none;
    color: var(--text-secondary);
    border: none;
    border-bottom: 2px solid transparent;
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-bottom: -2px;
}

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

.settings-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.settings-tab i {
    font-size: 1.1rem;
}

/* Tab Content */
.settings-tab-content {
    display: none;
}

/* Show tab based on URL hash */
.settings-tab-content:target {
    display: block;
}

/* Show config tab by default when no hash or when it's targeted */
#config-tab {
    display: block;
}

/* Hide config tab when preferences tab is targeted */
#preferences-tab:target ~ #config-tab {
    display: none;
}

/* Active tab styling - default state */
.settings-tab[href="#config-tab"] {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

/* Active tab styling when preferences is selected */
.settings-page:has(#preferences-tab:target) .settings-tab[href="#preferences-tab"] {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.settings-page:has(#preferences-tab:target) .settings-tab[href="#config-tab"] {
    color: var(--text-secondary);
    border-bottom-color: transparent;
}

/* Responsive tab design for mobile */
@media (max-width: 768px) {
    .settings-tabs {
        flex-direction: column;
        gap: 0.25rem;
        border-bottom: none;
        margin-bottom: 1rem;
    }
    
    .settings-tab {
        width: 100%;
        justify-content: center;
        border-bottom: none;
        border-left: 3px solid transparent;
        padding: 1rem;
        margin-bottom: 0;
    }
    
    .settings-tab:hover {
        border-left-color: var(--border-secondary);
    }
    
    .settings-tab.active,
    .settings-tab[href="#config-tab"] {
        border-left-color: var(--primary-color);
    }
    
    .settings-page:has(#preferences-tab:target) .settings-tab[href="#preferences-tab"] {
        border-left-color: var(--primary-color);
    }
    
    .settings-page:has(#preferences-tab:target) .settings-tab[href="#config-tab"] {
        border-left-color: transparent;
    }
}

/* Navbar Search */
.nav-search {
    position: relative;
    display: inline-flex;
    align-items: center;
    vertical-align: middle;
}

.search-toggle {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.25rem;
    margin-left: 2rem;
    transition: color 0.2s;
    display: inline-flex;
    align-items: center;
    line-height: 1;
    font-weight: 500;
}

.search-toggle:hover {
    color: var(--primary-color);
}

/* Theme Toggle */
.theme-toggle {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.25rem;
    margin-left: 1rem;
    transition: color 0.2s;
    display: inline-flex;
    align-items: center;
    line-height: 1;
    position: relative;
    width: 24px;
    height: 24px;
}

.theme-toggle:hover {
    color: var(--primary-color);
}

.theme-toggle svg {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    transition: opacity 0.3s ease;
}

.theme-toggle .sun-icon {
    opacity: 1;
}

.theme-toggle .moon-icon {
    opacity: 0;
}

html.dark-theme .theme-toggle .sun-icon {
    opacity: 0;
}

html.dark-theme .theme-toggle .moon-icon {
    opacity: 1;
}

.nav-search-form {
    position: absolute;
    right: -10px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: 4px;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    width: 0;
    transition: all 0.3s ease;
    overflow: hidden;
    z-index: 10;
}

.nav-search-form.active {
    opacity: 1;
    visibility: visible;
    width: 300px;
}

.nav-search-input {
    flex: 1;
    border: none;
    background: none;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    color: var(--text-primary);
    outline: none;
}

.nav-search-input::placeholder {
    color: var(--text-muted);
}

.search-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    transition: color 0.2s;
    display: flex;
    align-items: center;
}

.search-close:hover {
    color: var(--text-primary);
}

/* Mobile navbar search */
@media (max-width: 768px) {
    .nav-search-form.active {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        width: 100%;
        border-radius: 0;
        border-left: none;
        border-right: none;
    }
    
    .nav-search-input {
        padding: 1rem;
        font-size: 1rem;
    }
}

/* Preference Summary Styles */
.preference-summary-container {
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: 8px;
    padding: 1.5rem;
}

.preference-summary-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.preference-summary-header .subsection-header {
    margin: 0;
    font-size: 1.1rem;
    color: var(--text-primary);
    border-top: none;
    padding-top: 0;
}

.preference-summary-meta {
    display: flex;
    gap: 1.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.meta-item i {
    color: var(--text-muted);
}

.preference-summary-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    gap: 1rem;
    flex-wrap: wrap;
    border-bottom: none;
}

.preference-summary-controls::after,
.preference-summary-controls::before {
    display: none;
}

.toggle-switch {
    display: flex;
    align-items: center;
    cursor: pointer;
    user-select: none;
}

.toggle-switch input[type="checkbox"] {
    display: none;
}

.toggle-slider {
    width: 48px;
    height: 24px;
    background-color: var(--text-muted);
    border-radius: 24px;
    margin-right: 0.75rem;
    position: relative;
    transition: background-color 0.2s;
}

.toggle-slider::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    background-color: white;
    border-radius: 50%;
    top: 2px;
    left: 2px;
    transition: transform 0.2s;
}

.toggle-switch input[type="checkbox"]:checked + .toggle-slider {
    background-color: var(--primary-color);
}

.toggle-switch input[type="checkbox"]:checked + .toggle-slider::after {
    transform: translateX(24px);
}

.toggle-label {
    font-size: 0.875rem;
    color: var(--text-primary);
}

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

.preference-summary-content {
    margin-top: 1rem;
    border-top: none;
    border: none;
}

#preference-form {
    border: none;
    border-top: none;
}

.preference-summary-textarea {
    width: 100%;
    min-height: 200px;
    padding: 1rem;
    border: 1px solid var(--border-primary);
    border-radius: 4px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.875rem;
    line-height: 1.6;
    resize: vertical;
    transition: border-color 0.2s, background-color 0.2s;
}

.preference-summary-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.preference-summary-textarea[readonly] {
    background: var(--bg-tertiary);
    cursor: default;
}

.preference-summary-textarea.editable {
    background: var(--bg-primary);
}

.preference-summary-help {
    margin-top: 1rem;
    display: flex;
    align-items: start;
    gap: 0.5rem;
    font-size: 0.813rem;
    color: var(--text-secondary);
}

.preference-summary-help i {
    color: var(--text-muted);
    margin-top: 0.125rem;
    flex-shrink: 0;
}

.preference-summary-help p {
    margin: 0;
    line-height: 1.5;
}

.loading {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
}

.loading i {
    margin-right: 0.5rem;
}

/* Mobile adjustments */
@media (max-width: 768px) {
    .preference-summary-header {
        flex-direction: column;
        gap: 1rem;
    }
    
    .preference-summary-meta {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .preference-summary-controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .button-group {
        justify-content: center;
    }
}