/* Weft — Pattern from noise */
/* Premium Editorial Design System */
/* Credits: Kristoffer Åström (idea), Johan Salo (implementation), Weaver (design) */

/* Fonts loaded via <link> in index.html for performance */

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

:root {
    /* Premium dark palette with warm undertones */
    --bg-deep: #0a0a0b;
    --bg-primary: #111113;
    --bg-secondary: #18181b;
    --bg-elevated: #1f1f23;
    --bg-hover: #27272b;

    /* Text hierarchy */
    --text-primary: #fafafa;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;

    /* Accent - warm gold for premium feel */
    --accent: #f5a623;
    --accent-dim: rgba(245, 166, 35, 0.15);
    --accent-glow: rgba(245, 166, 35, 0.4);

    /* Semantic colors */
    --success: #34d399;
    --success-dim: rgba(52, 211, 153, 0.15);
    --danger: #f87171;
    --danger-dim: rgba(248, 113, 113, 0.15);
    --info: #60a5fa;
    --info-dim: rgba(96, 165, 250, 0.12);

    /* Borders */
    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-default: rgba(255, 255, 255, 0.1);
    --border-strong: rgba(255, 255, 255, 0.15);

    /* Typography */
    --font-display: 'Instrument Serif', Georgia, serif;
    --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', monospace;

    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;

    /* Transitions */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ==================== LIGHT THEME ==================== */
[data-theme="light"] {
    /* Clean light backgrounds */
    --bg-deep: #f5f5f4;
    --bg-primary: #fafaf9;
    --bg-secondary: #ffffff;
    --bg-elevated: #f0f0ee;
    --bg-hover: #e8e8e5;

    /* Dark text hierarchy */
    --text-primary: #1c1c1e;
    --text-secondary: #52525b;
    --text-muted: #a1a1aa;

    /* Accent - same warm gold */
    --accent: #d4911e;
    --accent-dim: rgba(212, 145, 30, 0.12);
    --accent-glow: rgba(212, 145, 30, 0.3);

    /* Semantic colors (slightly darker for light bg) */
    --success: #059669;
    --success-dim: rgba(5, 150, 105, 0.1);
    --danger: #dc2626;
    --danger-dim: rgba(220, 38, 38, 0.1);
    --info: #2563eb;
    --info-dim: rgba(37, 99, 235, 0.08);

    /* Borders - light gray */
    --border-subtle: rgba(0, 0, 0, 0.06);
    --border-default: rgba(0, 0, 0, 0.1);
    --border-strong: rgba(0, 0, 0, 0.15);
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color 0.3s ease, color 0.3s ease;
}

body {
    font-family: var(--font-body);
    background: var(--bg-deep);
    color: var(--text-primary);
    line-height: 1.6;
    letter-spacing: -0.01em;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Screen reader only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--border-strong);
}

/* ==================== LAYOUT ==================== */
.app {
    display: flex;
    height: 100vh;
    background: var(--bg-deep);
}

/* ==================== SIDEBAR ==================== */
.sidebar {
    width: 400px;
    min-width: 400px;
    background: var(--bg-primary);
    border-right: 1px solid var(--border-subtle);
    display: flex;
    flex-direction: column;
    position: relative;
}

/* Subtle gradient overlay for depth */
.sidebar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: linear-gradient(180deg, rgba(245, 166, 35, 0.03) 0%, transparent 100%);
    pointer-events: none;
}

.sidebar-header {
    padding: var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-subtle);
    position: relative;
    z-index: 1;
}

.sidebar-header h1 {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 400;
    font-style: italic;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-actions {
    display: flex;
    gap: var(--space-xs);
}

.icon-btn {
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-muted);
    cursor: pointer;
    padding: 10px;
    border-radius: 10px;
    transition: all 0.2s var(--ease-out);
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-btn:hover {
    background: var(--bg-elevated);
    border-color: var(--border-subtle);
    color: var(--text-primary);
    transform: translateY(-1px);
}

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

.icon-btn.loading svg {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Search */
.search-box {
    margin: var(--space-md) var(--space-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-secondary);
    padding: 12px 16px;
    border-radius: 12px;
    border: 1px solid var(--border-subtle);
    transition: all 0.2s var(--ease-out);
}

.search-box:focus-within {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-dim);
}

.search-box svg {
    color: var(--text-muted);
    flex-shrink: 0;
}

.search-box input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 14px;
    font-family: var(--font-body);
    outline: none;
}

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

/* Filters */
.filters {
    display: flex;
    gap: var(--space-sm);
    padding: 0 var(--space-lg) var(--space-md);
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.filters::-webkit-scrollbar {
    display: none;
}

.filter-btn {
    flex-shrink: 0;
    background: transparent;
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    padding: 6px 12px;
    border-radius: 100px;
    font-size: 13px;
    font-weight: 500;
    font-family: var(--font-body);
    cursor: pointer;
    transition: all 0.2s var(--ease-out);
    letter-spacing: 0.01em;
}

.filter-btn:hover {
    background: var(--bg-elevated);
    border-color: var(--border-default);
    color: var(--text-primary);
}

.filter-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--bg-deep);
    font-weight: 600;
}

/* Article List */
.article-list {
    flex: 1;
    overflow-y: auto;
    position: relative;
}

.article-item {
    padding: var(--space-lg);
    border-bottom: 1px solid var(--border-subtle);
    cursor: pointer;
    transition: all 0.15s var(--ease-out);
    position: relative;
}

.article-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--accent);
    opacity: 0;
    transition: opacity 0.2s var(--ease-out);
}

.article-item.read h3 {
    color: var(--text-secondary);
}

.article-item.read p {
    color: var(--text-muted);
}

.article-item:hover {
    background: var(--bg-secondary);
}

.article-item.active {
    background: var(--accent-dim);
}

.article-item.active::before {
    opacity: 1;
}

.article-item h3 {
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 8px;
    line-height: 1.45;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.article-item p {
    font-size: 13px;
    color: var(--text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.5;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 12px;
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.article-meta span:first-child {
    color: var(--accent);
}

.article-tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-top: 10px;
}

.tag {
    background: var(--bg-elevated);
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 11px;
    color: var(--text-secondary);
    font-weight: 500;
    letter-spacing: 0.02em;
    border: 1px solid var(--border-subtle);
}

.sidebar-footer {
    padding: 16px var(--space-lg);
    border-top: 1px solid var(--border-subtle);
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 500;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    background: var(--bg-secondary);
}

/* ==================== SIDEBAR RESIZE HANDLE ==================== */
.sidebar-resize-handle {
    width: 6px;
    cursor: col-resize;
    background: transparent;
    position: relative;
    flex-shrink: 0;
    z-index: 10;
    transition: background 0.2s;
}

.sidebar-resize-handle::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 2px;
    height: 32px;
    border-radius: 1px;
    background: var(--border-subtle);
    opacity: 0;
    transition: opacity 0.2s;
}

.sidebar-resize-handle:hover::after,
.sidebar-resize-handle.dragging::after {
    opacity: 1;
    background: var(--accent);
}

.sidebar-resize-handle:hover,
.sidebar-resize-handle.dragging {
    background: var(--accent-dim);
}

/* ==================== MAIN CONTENT ==================== */
.content {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-2xl) var(--space-xl);
    background: var(--bg-deep);
    position: relative;
}

/* Subtle texture overlay */
.content::before {
    content: '';
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: var(--sidebar-width, 400px);
    background:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(245, 166, 35, 0.04) 0%, transparent 50%),
        url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    opacity: 0.015;
    pointer-events: none;
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-muted);
    text-align: center;
    position: relative;
}

.empty-state svg {
    margin-bottom: var(--space-lg);
    opacity: 0.3;
    color: var(--accent);
}

.empty-state h2 {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 400;
    margin-bottom: var(--space-sm);
    color: var(--text-secondary);
}

.empty-state p {
    color: var(--text-muted);
    font-size: 14px;
}

/* ==================== ARTICLE DETAIL ==================== */
.article-detail {
    max-width: 720px;
    margin: 0 auto;
    position: relative;
    animation: fadeInUp 0.4s var(--ease-out);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.article-detail .tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: var(--space-lg);
}

.article-detail .tag {
    background: var(--accent-dim);
    color: var(--accent);
    padding: 6px 14px;
    border-radius: 100px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border: 1px solid rgba(245, 166, 35, 0.2);
}

.article-detail h1 {
    font-family: var(--font-display);
    font-size: 42px;
    font-weight: 400;
    line-height: 1.2;
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.article-detail .meta {
    display: flex;
    gap: var(--space-lg);
    color: var(--text-muted);
    font-size: 13px;
    margin-bottom: var(--space-xl);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.article-detail .meta span:first-child {
    color: var(--accent);
}

/* Article Actions */
.article-actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) 0;
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
    margin-bottom: var(--space-xl);
}

.action-btn {
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    cursor: pointer;
    padding: 10px 12px;
    border-radius: 10px;
    transition: all 0.2s var(--ease-out);
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-family: var(--font-body);
}

.action-btn:hover {
    background: var(--bg-elevated);
    border-color: var(--border-default);
    color: var(--text-primary);
    transform: translateY(-1px);
}

.action-btn.liked {
    background: var(--success-dim);
    border-color: var(--success);
    color: var(--success);
}

.action-btn.disliked {
    background: var(--danger-dim);
    border-color: var(--danger);
    color: var(--danger);
}

.action-btn.bookmarked {
    background: var(--accent-dim);
    border-color: var(--accent);
    color: var(--accent);
}

.btn-primary {
    background: var(--accent);
    color: var(--bg-deep);
    border: none;
    padding: 12px 24px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    font-family: var(--font-body);
    cursor: pointer;
    transition: all 0.2s var(--ease-out);
    letter-spacing: 0.01em;
}

.btn-primary:hover {
    background: #ffb84d;
    transform: translateY(-1px);
    box-shadow: 0 8px 24px var(--accent-glow);
}

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

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* ==================== AI SUMMARY - IMPROVED READABILITY ==================== */
.summary-section {
    background: var(--bg-secondary);
    border: 1px solid var(--border-default);
    border-radius: 16px;
    padding: var(--space-xl);
    margin-bottom: var(--space-xl);
    position: relative;
    overflow: hidden;
}

/* Subtle accent glow */
.summary-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.summary-section h3 {
    color: var(--accent);
    font-size: 11px;
    font-weight: 600;
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    gap: 10px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.summary-section h3 svg {
    opacity: 0.8;
}

/* Summary content with improved typography */
.summary-section #summaryContent {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-primary);
    user-select: text;
    cursor: text;
}

.summary-section #summaryContent p {
    margin: 0;
}

/* Structured summary styling */
.summary-section .summary-structured {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.summary-section .summary-point {
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
}

.summary-section .summary-point .point-label {
    flex-shrink: 0;
    width: 80px;
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    padding-top: 4px;
}

.summary-section .summary-point .point-content {
    flex: 1;
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-primary);
}

/* Key insight highlight */
.summary-section .key-insight {
    background: var(--accent-dim);
    border-left: 3px solid var(--accent);
    padding: var(--space-md) var(--space-lg);
    margin-top: var(--space-md);
    border-radius: 0 8px 8px 0;
}

.summary-section .key-insight-label {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent);
    margin-bottom: var(--space-xs);
}

.summary-section .key-insight p {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-primary);
    font-weight: 500;
}

.summary-section .generate-btn {
    margin-top: var(--space-md);
}

/* Loading state */
.summary-section .loading-state {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    color: var(--text-secondary);
}

.summary-section .loading-dots {
    display: flex;
    gap: 4px;
}

.summary-section .loading-dots span {
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 1.4s ease-in-out infinite;
}

.summary-section .loading-dots span:nth-child(2) { animation-delay: 0.2s; }
.summary-section .loading-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes pulse {
    0%, 80%, 100% { opacity: 0.3; transform: scale(0.8); }
    40% { opacity: 1; transform: scale(1); }
}

/* Article Body */
.article-body {
    font-size: 16px;
    line-height: 1.8;
}

.article-body h4 {
    font-size: 11px;
    color: var(--text-muted);
    margin-bottom: var(--space-md);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 600;
}

.article-body p {
    color: var(--text-secondary);
}

/* ==================== MODAL ==================== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    justify-content: center;
    align-items: center;
    z-index: 1000;
    animation: fadeIn 0.2s var(--ease-out);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal.open {
    display: flex;
}

.modal-content {
    background: var(--bg-secondary);
    border-radius: 20px;
    width: 100%;
    max-width: 480px;
    border: 1px solid var(--border-default);
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.5);
    animation: slideUp 0.3s var(--ease-out);
    max-height: 90vh;
    overflow-y: auto;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--border-subtle);
    position: sticky;
    top: 0;
    background: var(--bg-secondary);
    z-index: 1;
}

.modal-header h2 {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 400;
}

.close-btn {
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    width: 36px;
    height: 36px;
    border-radius: 10px;
    font-size: 20px;
    cursor: pointer;
    transition: all 0.2s var(--ease-out);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.modal-body {
    padding: var(--space-lg);
}

.setting-group {
    margin-bottom: var(--space-lg);
}

.setting-group label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-secondary);
}

.setting-group select,
.setting-group input[type="text"],
.setting-group input[type="password"] {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 14px;
    font-family: var(--font-body);
    transition: all 0.2s var(--ease-out);
}

.setting-group select:focus,
.setting-group input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-dim);
}

.setting-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23a1a1aa' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 40px;
}

.setting-group small {
    display: block;
    margin-top: var(--space-sm);
    color: var(--text-muted);
    font-size: 12px;
    line-height: 1.5;
}

/* Feed Manager */
.feed-manager {
    max-height: 240px;
    overflow-y: auto;
    border: 1px solid var(--border-subtle);
    border-radius: 10px;
    background: var(--bg-elevated);
}

.feed-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-bottom: 1px solid var(--border-subtle);
    font-size: 13px;
}

.feed-item:last-child {
    border-bottom: none;
}

.feed-item input[type="checkbox"] {
    width: auto;
    accent-color: var(--accent);
}

.feed-item .feed-name {
    flex: 1;
    color: var(--text-primary);
    font-weight: 500;
}

.feed-item .feed-category {
    color: var(--text-muted);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.feed-item .feed-remove {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 2px 6px;
    font-size: 16px;
    line-height: 1;
    border-radius: 4px;
    transition: all 0.15s;
}

.feed-item .feed-remove:hover {
    color: var(--danger);
    background: var(--danger-dim);
}

.feed-add-row {
    display: flex;
    gap: 6px;
    margin-top: 8px;
}

.feed-add-row input {
    flex: 1;
    padding: 8px 12px;
    font-size: 13px;
}

.feed-add-row input:first-child {
    flex: 0.4;
}

.feed-add-row .btn-secondary {
    padding: 8px 14px;
    font-size: 13px;
}

.feed-opml-row {
    display: flex;
    gap: 6px;
    margin-top: 8px;
}

.feed-opml-row .btn-secondary {
    padding: 8px 14px;
    font-size: 13px;
    display: inline-flex;
    align-items: center;
}

.setting-group a {
    color: var(--accent);
    text-decoration: none;
    transition: opacity 0.2s;
}

.setting-group a:hover {
    opacity: 0.8;
}

.setting-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 13px;
    font-family: var(--font-mono);
    resize: vertical;
    line-height: 1.6;
    transition: all 0.2s var(--ease-out);
    min-height: 120px;
}

.setting-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-dim);
}

.style-selector {
    display: flex;
    gap: var(--space-sm);
    align-items: center;
}

.style-selector select {
    flex: 1;
}

.btn-secondary {
    background: var(--bg-elevated);
    color: var(--text-primary);
    border: 1px solid var(--border-subtle);
    padding: 12px 20px;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 500;
    font-family: var(--font-body);
    cursor: pointer;
    transition: all 0.2s var(--ease-out);
    white-space: nowrap;
}

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

/* Loading */
.loading {
    text-align: center;
    padding: var(--space-2xl);
    color: var(--text-muted);
    font-size: 14px;
}

/* ==================== SCORE BADGE ==================== */
.score-badge {
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 600;
    white-space: nowrap;
}

.score-badge--high { background: rgba(52, 211, 153, 0.12); color: var(--success); }
.score-badge--mid  { background: rgba(245, 166, 35, 0.12); color: var(--accent); }
.score-badge--low  { background: rgba(251, 191, 36, 0.12); color: #fbbf24; }
.score-badge--min  { background: rgba(113, 113, 122, 0.12); color: var(--text-muted); }

/* Detail view score tag (pill) */
.tag--score {
    font-weight: 600;
}

/* ==================== HERO IMAGE ==================== */
.hero-image {
    width: 100%;
    max-height: 300px;
    object-fit: cover;
    border-radius: 12px;
    margin-bottom: var(--space-lg);
    opacity: 0;
    transition: opacity 0.4s var(--ease-out);
}

.hero-image.loaded {
    opacity: 1;
}

/* ==================== SCORE REASON (v1.1) ==================== */
.score-reason-preview {
    font-size: 12px;
    color: var(--text-muted);
    font-style: italic;
    margin-top: 2px;
    margin-bottom: 2px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.score-reason-detail {
    font-size: 14px;
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: var(--space-lg);
    line-height: 1.5;
}

/* ==================== GROQ SUMMARY (sidebar) ==================== */
.article-item .groq-summary {
    color: var(--text-muted);
    font-size: 13px;
    margin-top: 4px;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ==================== ARTICLE ITEM HEADER ==================== */
.article-item-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-xs);
}

.article-item-header .article-tags {
    margin: 0;
}

/* ==================== TOAST ==================== */
.toast-container {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    pointer-events: none;
}

.toast {
    background: var(--bg-secondary);
    border: 1px solid var(--border-default);
    color: var(--text-primary);
    padding: 12px 20px;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 500;
    font-family: var(--font-body);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    animation: toastIn 0.3s var(--ease-out), toastOut 0.3s var(--ease-out) 1.7s forwards;
    pointer-events: auto;
}

@keyframes toastIn {
    from { opacity: 0; transform: translateY(12px) scale(0.96); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes toastOut {
    from { opacity: 1; transform: translateY(0) scale(1); }
    to { opacity: 0; transform: translateY(-8px) scale(0.96); }
}

/* ==================== ANSWER ENGINE (v2.0) ==================== */
.answer-engine {
    max-width: 680px;
    margin: 0 auto;
    padding: 40px 24px;
    animation: fadeInUp 0.4s var(--ease-out);
}

.answer-question {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 400;
    margin-bottom: 32px;
    line-height: 1.3;
    color: var(--text-primary);
}

.answer-text {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-primary);
    margin-bottom: 32px;
}

.answer-text p {
    margin-bottom: 16px;
}

.answer-text strong {
    color: var(--accent);
}

.answer-ref {
    color: var(--accent);
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
}

.answer-sources-header {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 12px;
}

.answer-sources {
    padding-left: 0;
    list-style: none;
}

.answer-sources li {
    margin-bottom: 12px;
    padding-left: 0;
}

.answer-sources a {
    color: var(--accent);
    text-decoration: none;
    font-size: 14px;
}

.answer-sources a:hover {
    text-decoration: underline;
}

.answer-source-meta {
    display: block;
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
}

.answer-loading {
    text-align: center;
    padding: 60px 0;
    color: var(--text-muted);
}

.answer-loading .loading-dots {
    display: flex;
    gap: 4px;
    justify-content: center;
    margin-bottom: 16px;
}

.answer-loading .loading-dots span {
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 1.4s ease-in-out infinite;
}

.answer-loading .loading-dots span:nth-child(2) { animation-delay: 0.2s; }
.answer-loading .loading-dots span:nth-child(3) { animation-delay: 0.4s; }

.answer-empty,
.answer-error {
    text-align: center;
    color: var(--text-muted);
    padding: 60px 0;
    font-size: 14px;
}

.answer-error a {
    color: var(--accent);
    text-decoration: none;
}

/* ==================== DAILY BRIEFING (v1.1) ==================== */
.briefing {
    max-width: 680px;
    margin: 0 auto;
    padding: 40px 24px;
    animation: fadeInUp 0.4s var(--ease-out);
}

.briefing h2 {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 400;
    margin-bottom: 4px;
}

.briefing-date {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 32px;
}

.briefing-content {
    font-size: 1rem;
    line-height: 1.75;
    color: var(--text-primary);
}

.briefing-content h3,
.briefing-content strong {
    color: var(--accent);
}

.briefing-content h3 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 28px;
    margin-bottom: 12px;
}

.briefing-content ul {
    padding-left: 20px;
    margin: 12px 0;
    list-style: none;
}

.briefing-content ul li {
    margin-bottom: 8px;
    line-height: 1.6;
    position: relative;
    padding-left: 16px;
}

.briefing-content ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
}

.briefing-content p {
    margin-bottom: 16px;
}

.briefing-sources-header {
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-top: 32px;
    margin-bottom: 12px;
}

.briefing-sources {
    padding-left: 20px;
    margin-top: 12px;
}

.briefing-sources li {
    margin-bottom: 10px;
}

.briefing-sources a {
    color: var(--accent);
    text-decoration: none;
    font-size: 14px;
}

.briefing-sources a:hover {
    text-decoration: underline;
}

.briefing-source {
    display: block;
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
}

.briefing-loading {
    text-align: center;
    padding: 60px 0;
    color: var(--text-muted);
}

.briefing-loading .loading-dots {
    display: flex;
    gap: 4px;
    justify-content: center;
    margin-bottom: 16px;
}

.briefing-loading .loading-dots span {
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 1.4s ease-in-out infinite;
}

.briefing-loading .loading-dots span:nth-child(2) { animation-delay: 0.2s; }
.briefing-loading .loading-dots span:nth-child(3) { animation-delay: 0.4s; }

.briefing-actions {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--border-subtle);
    display: flex;
    gap: 12px;
}

.briefing-actions .btn-primary {
    display: inline-flex;
    align-items: center;
}

.briefing-empty,
.briefing-error {
    text-align: center;
    color: var(--text-muted);
    padding: 60px 0;
    font-size: 14px;
}

.briefing-error a {
    color: var(--accent);
    text-decoration: none;
}

/* ==================== MOBILE NAVIGATION ==================== */
.back-btn {
    display: none;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 900px) {
    .app {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        min-width: 100%;
        height: 100vh;
        transition: transform 0.3s var(--ease-out);
    }

    .content {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 200;
        transform: translateX(100%);
        transition: transform 0.3s var(--ease-out);
        padding: var(--space-lg) var(--space-md);
    }

    .content.mobile-visible {
        transform: translateX(0);
    }

    .sidebar-resize-handle {
        display: none;
    }

    .content::before {
        left: 0;
    }

    .back-btn {
        display: flex;
        align-items: center;
        gap: 6px;
        background: transparent;
        border: none;
        color: var(--accent);
        font-size: 14px;
        font-weight: 500;
        font-family: var(--font-body);
        cursor: pointer;
        padding: var(--space-sm) 0;
        margin-bottom: var(--space-md);
    }
}

@media (max-width: 480px) {
    .sidebar-header h1 {
        font-size: 24px;
    }

    .article-detail h1 {
        font-size: 28px;
    }

    .modal-content {
        margin: var(--space-md);
        border-radius: 16px;
    }
}

/* ==================== LIGHT THEME OVERRIDES ==================== */

/* Remove warm glow overlay in light mode */
[data-theme="light"] .content::before {
    background: none;
    opacity: 0;
}

/* Subtle warm tint on sidebar */
[data-theme="light"] .sidebar::before {
    background: linear-gradient(180deg, rgba(245, 166, 35, 0.02) 0%, transparent 100%);
}

/* Score badges with better contrast on light backgrounds */
[data-theme="light"] .score-badge--high { background: rgba(16, 185, 129, 0.15); color: #059669; }
[data-theme="light"] .score-badge--mid { background: rgba(245, 166, 35, 0.15); color: #b45309; }
[data-theme="light"] .score-badge--low { background: rgba(245, 158, 11, 0.15); color: #92400e; }
[data-theme="light"] .score-badge--min { background: rgba(113, 113, 122, 0.12); color: #52525b; }

/* Scrollbar for light mode */
[data-theme="light"] ::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.15);
}

[data-theme="light"] ::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.25);
}

/* Modal backdrop lighter in light mode */
[data-theme="light"] .modal {
    background: rgba(0, 0, 0, 0.4);
}

/* Toast shadow lighter */
[data-theme="light"] .toast {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

/* Modal shadow lighter */
[data-theme="light"] .modal-content {
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.15);
}

/* ==================== AUTH UI ==================== */
.auth-modal-content {
    max-width: 400px;
}

.auth-description {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: var(--space-lg);
}

.auth-hint {
    color: var(--text-muted);
    font-size: 12px;
    margin-top: var(--space-md);
    line-height: 1.5;
}

.auth-check-email {
    text-align: center;
    padding: var(--space-xl) 0;
}

.auth-check-email svg {
    margin-bottom: var(--space-md);
}

.auth-check-email h3 {
    font-family: var(--font-display);
    font-size: 20px;
    margin-bottom: var(--space-sm);
}

.auth-check-email p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: var(--space-sm);
}

.auth-user-info {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--bg-elevated);
    border-radius: 12px;
    margin-bottom: var(--space-lg);
}

.auth-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--accent);
    color: var(--bg-deep);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 600;
    font-family: var(--font-body);
    flex-shrink: 0;
    text-transform: uppercase;
}

.auth-user-email {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

.auth-user-since {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
}

.auth-sync-status {
    text-align: center;
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-elevated);
    border-radius: 8px;
}

/* Auth button states */
#authBtn.authenticated {
    color: var(--accent);
}

#authBtn .auth-initial {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--accent);
    color: var(--bg-deep);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
}