/* ============================================================
   Blog CSS — NextRally
   Mobile-first, light mode default, dark mode via prefers-color-scheme.
   All class names prefixed with `blog-` to avoid collision.
   ============================================================ */

/* --------------------------------------------------------------------------
   1. CSS Custom Properties (Light Mode defaults)
   -------------------------------------------------------------------------- */
:root {
  --blog-bg: #FFFFFF;
  --blog-text: #1F2937;
  --blog-text-secondary: #6B7280;
  --blog-text-muted: #9CA3AF;
  --blog-heading: #111827;
  --blog-border: #E5E7EB;
  --blog-card-bg: #FFFFFF;
  --blog-card-shadow-hover: 0 4px 12px rgba(0, 0, 0, 0.08);
  --blog-surface: #F3F4F6;
  --blog-surface-hover: #E5E7EB;
  --blog-tag-bg: #F3F4F6;
  --blog-tag-text: #6B7280;
  --blog-btn-bg: #FFFFFF;
  --blog-btn-text: #374151;
  --blog-btn-border: #D1D5DB;
  --blog-btn-hover-bg: #F3F4F6;
  --blog-btn-active-bg: #111827;
  --blog-btn-active-text: #FFFFFF;
  --blog-link: #10B981;
  --blog-link-hover: #059669;
  --blog-code-bg: #F3F4F6;
  --blog-code-text: #DC2626;
  --blog-pre-bg: #1F2937;
  --blog-pre-text: #E5E7EB;
  --blog-blockquote-bg: #FEF2F0;
  --blog-blockquote-border: #E2725B;
  --blog-blockquote-text: #6B4C41;
  --blog-table-header-bg: #F9FAFB;
  --blog-table-stripe-bg: #F9FAFB;
  --blog-table-header-text: #374151;
  --blog-table-cell-text: #4B5563;
  /* Tool accent colors (light mode) — match existing tool branding */
  --blog-tool-stringlog: #0891B2;    /* Cyan-600, matches StringLog */
  --blog-tool-stringlog-bg: #ECFEFF; /* Cyan-50 */
  --blog-tool-brackets: #10B981;     /* Emerald-500, matches Brackets brand (var(--brand)) */
  --blog-tool-brackets-bg: #ECFDF5;  /* Emerald-50 */
  --blog-tool-courtsnap: #D4622B;    /* Orange, matches CourtSnap */
  --blog-tool-courtsnap-bg: #FFF5EE; /* Light orange tint */
  --blog-tool-general: #6B7280;      /* Gray-500 */
  --blog-tool-general-bg: #F3F4F6;   /* Gray-100 */
}

/* --------------------------------------------------------------------------
   2. Dark Mode Overrides
   -------------------------------------------------------------------------- */
@media (prefers-color-scheme: dark) {
  :root {
    --blog-bg: #111827;
    --blog-text: #D1D5DB;
    --blog-text-secondary: #9CA3AF;
    --blog-text-muted: #6B7280;
    --blog-heading: #F9FAFB;
    --blog-border: #374151;
    --blog-card-bg: #1F2937;
    --blog-card-shadow-hover: 0 4px 12px rgba(0, 0, 0, 0.3);
    --blog-surface: #374151;
    --blog-surface-hover: #4B5563;
    --blog-tag-bg: #374151;
    --blog-tag-text: #D1D5DB;
    --blog-btn-bg: #1F2937;
    --blog-btn-text: #D1D5DB;
    --blog-btn-border: #4B5563;
    --blog-btn-hover-bg: #374151;
    --blog-btn-active-bg: #F9FAFB;
    --blog-btn-active-text: #111827;
    --blog-link: #34D399;
    --blog-link-hover: #6EE7B7;
    --blog-code-bg: #374151;
    --blog-code-text: #F87171;
    --blog-pre-bg: #0F172A;
    --blog-pre-text: #E2E8F0;
    --blog-blockquote-bg: #2D1F1A;
    --blog-blockquote-border: #E2725B;
    --blog-blockquote-text: #FBBF8A;
    --blog-table-header-bg: #1F2937;
    --blog-table-stripe-bg: #1A2332;
    --blog-table-header-text: #D1D5DB;
    --blog-table-cell-text: #9CA3AF;
    /* Tool accent colors (dark mode — brighter for contrast) */
    --blog-tool-stringlog: #67E8F9;    /* Cyan-300, matches StringLog dark */
    --blog-tool-stringlog-bg: #164E63; /* Cyan-900 */
    --blog-tool-brackets: #34D399;     /* Emerald-400, matches Brackets brand dark */
    --blog-tool-brackets-bg: #064E3B;  /* Emerald-900 */
    --blog-tool-courtsnap: #E07A45;    /* Orange, matches CourtSnap dark */
    --blog-tool-courtsnap-bg: #3D2520; /* Deep orange tint */
    --blog-tool-general: #9CA3AF;      /* Gray-400 */
    --blog-tool-general-bg: #374151;   /* Gray-700 */
  }
}

/* ----------------------------------------------------------
   Filter Bar
   ---------------------------------------------------------- */
.blog-filters {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 2rem;
    align-items: center;
}

.blog-filter-tools {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.blog-filter-btn {
    padding: 0.5rem 1.25rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid var(--blog-btn-border);
    background: var(--blog-btn-bg);
    color: var(--blog-btn-text);
    cursor: pointer;
    transition: all 0.15s ease;
    outline: none;
}

.blog-filter-btn:hover {
    background: var(--blog-btn-hover-bg);
}

.blog-filter-btn:focus-visible {
    box-shadow: 0 0 0 2px var(--blog-bg), 0 0 0 4px var(--blog-text-secondary);
}

.blog-filter-btn.active {
    background: var(--blog-btn-active-bg);
    color: var(--blog-btn-active-text);
    border-color: var(--blog-btn-active-bg);
}

.blog-filter-stringlog.active {
    background: var(--blog-tool-stringlog);
    border-color: var(--blog-tool-stringlog);
    color: #fff;
}

.blog-filter-brackets.active {
    background: var(--blog-tool-brackets);
    border-color: var(--blog-tool-brackets);
    color: #fff;
}

.blog-filter-courtsnap.active {
    background: var(--blog-tool-courtsnap);
    border-color: var(--blog-tool-courtsnap);
    color: #fff;
}

.blog-filter-tags {
    display: flex;
    gap: 0.375rem;
    flex-wrap: wrap;
    justify-content: center;
}

.blog-tag-pill {
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
    border: 1px solid var(--blog-border);
    background: var(--blog-surface);
    color: var(--blog-text-secondary);
    cursor: pointer;
    transition: all 0.15s ease;
    outline: none;
}

.blog-tag-pill:hover {
    background: var(--blog-surface-hover);
    color: var(--blog-text);
}

.blog-tag-pill:focus-visible {
    box-shadow: 0 0 0 2px var(--blog-bg), 0 0 0 4px var(--blog-text-secondary);
}

.blog-tag-pill.active {
    background: var(--blog-btn-active-bg);
    color: var(--blog-btn-active-text);
    border-color: var(--blog-btn-active-bg);
}

/* ----------------------------------------------------------
   Card Grid
   ---------------------------------------------------------- */
.blog-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 640px) {
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .blog-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ----------------------------------------------------------
   Blog Card — clean style, no colored left border
   ---------------------------------------------------------- */
.blog-card {
    display: flex;
    flex-direction: column;
    background: var(--blog-card-bg);
    border-radius: 0.75rem;
    border: 1px solid var(--blog-border);
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.blog-card:hover {
    box-shadow: var(--blog-card-shadow-hover);
    transform: translateY(-2px);
}

/* Hero image variant */
.blog-card-hero {
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--blog-surface);
}

.blog-card-hero img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.blog-card:hover .blog-card-hero img {
    transform: scale(1.03);
}

/* Card body */
.blog-card-body {
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.blog-card-text-forward {
    padding: 1.5rem;
}

.blog-card-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    font-size: 0.8125rem;
    color: var(--blog-text-secondary);
}

.blog-card-tool {
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.6875rem;
    letter-spacing: 0.05em;
    padding: 0.125rem 0.5rem;
    border-radius: 4px;
}

.blog-tool-stringlog .blog-card-tool {
    background: var(--blog-tool-stringlog-bg);
    color: var(--blog-tool-stringlog);
}

.blog-tool-brackets .blog-card-tool {
    background: var(--blog-tool-brackets-bg);
    color: var(--blog-tool-brackets);
}

.blog-tool-courtsnap .blog-card-tool {
    background: var(--blog-tool-courtsnap-bg);
    color: var(--blog-tool-courtsnap);
}

.blog-tool-general .blog-card-tool {
    background: var(--blog-tool-general-bg);
    color: var(--blog-tool-general);
}

.blog-card-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--blog-heading);
    line-height: 1.4;
    margin-bottom: 0.5rem;
}

.blog-card-text-forward .blog-card-title {
    font-size: 1.25rem;
}

.blog-card-summary {
    font-size: 0.875rem;
    color: var(--blog-text-secondary);
    line-height: 1.6;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 0.75rem;
    gap: 0.5rem;
}

.blog-card-tags {
    display: flex;
    gap: 0.25rem;
    flex-wrap: wrap;
}

.blog-tag {
    font-size: 0.6875rem;
    padding: 0.125rem 0.5rem;
    border-radius: 9999px;
    background: var(--blog-tag-bg);
    color: var(--blog-tag-text);
}

.blog-card-reading-time {
    font-size: 0.75rem;
    color: var(--blog-text-muted);
    white-space: nowrap;
}

/* ----------------------------------------------------------
   Load More
   ---------------------------------------------------------- */
.blog-load-more-wrap {
    grid-column: 1 / -1;
    display: flex;
    justify-content: center;
    padding-top: 1rem;
}

.blog-load-more {
    padding: 0.625rem 2rem;
    border-radius: 0.5rem;
    font-size: 0.9375rem;
    font-weight: 500;
    border: 1px solid var(--blog-btn-border);
    background: var(--blog-btn-bg);
    color: var(--blog-btn-text);
    cursor: pointer;
    transition: all 0.15s ease;
}

.blog-load-more:hover {
    background: var(--blog-btn-hover-bg);
}

.blog-load-more:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ----------------------------------------------------------
   Empty State
   ---------------------------------------------------------- */
.blog-empty {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--blog-text-secondary);
}

/* ----------------------------------------------------------
   Detail Page Layout
   ---------------------------------------------------------- */
.blog-detail {
    max-width: 48rem;
    margin: 0 auto;
    padding: 2rem 1rem;
}

@media (min-width: 640px) {
    .blog-detail {
        padding: 2rem;
    }
}

/* ----------------------------------------------------------
   Article Content Typography
   ---------------------------------------------------------- */
.blog-article {
    max-width: 48rem;
}

.blog-article-header {
    margin-bottom: 2rem;
}

.blog-article-header h1 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--blog-heading);
    line-height: 1.25;
    margin-bottom: 0.75rem;
}

@media (min-width: 640px) {
    .blog-article-header h1 {
        font-size: 2.5rem;
    }
}

.blog-article-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--blog-text-secondary);
    font-size: 0.875rem;
    flex-wrap: wrap;
}

.blog-article-hero {
    width: 100%;
    border-radius: 0.75rem;
    overflow: hidden;
    margin: 3rem 0;
}

.blog-article-hero img {
    width: 100%;
    height: auto;
    display: block;
}

.blog-content {
    color: var(--blog-text);
    font-size: 1.0625rem;
    line-height: 1.8;
}

.blog-content h1 {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--blog-heading);
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.blog-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--blog-heading);
    margin-top: 2rem;
    margin-bottom: 0.75rem;
    line-height: 1.35;
}

.blog-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--blog-heading);
    margin-top: 1.75rem;
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.blog-content p {
    margin-bottom: 1.25rem;
}

.blog-content hr {
    border: none;
    border-top: 3px solid var(--brand);
    width: 4rem;
    margin: 2.5rem auto;
}

.blog-content ul,
.blog-content ol {
    margin-bottom: 1.25rem;
    padding-left: 1.5rem;
}

.blog-content ul {
    list-style-type: disc;
}

.blog-content ol {
    list-style-type: decimal;
}

.blog-content li {
    margin-bottom: 0.375rem;
}

.blog-content li > ul,
.blog-content li > ol {
    margin-top: 0.375rem;
    margin-bottom: 0;
}

.blog-content blockquote {
    border-left: 4px solid var(--blog-blockquote-border);
    padding: 0.75rem 1.25rem;
    margin: 1.5rem 0;
    background: var(--blog-blockquote-bg);
    border-radius: 0 0.5rem 0.5rem 0;
    color: var(--blog-blockquote-text);
    font-style: italic;
}

.blog-content blockquote p {
    margin-bottom: 0;
}

.blog-content img {
    max-width: 100%;
    height: auto;
    border-radius: 0.5rem;
    margin: 1.5rem 0;
}

.blog-content iframe {
    max-width: 100%;
    margin: 1.5rem 0;
    border-radius: 0.5rem;
}

.blog-content a {
    color: var(--blog-link);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.blog-content a:hover {
    color: var(--blog-link-hover);
}

.blog-content code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 0.875em;
    background: var(--blog-code-bg);
    padding: 0.125rem 0.375rem;
    border-radius: 0.25rem;
    color: var(--blog-code-text);
}

.blog-content pre {
    background: var(--blog-pre-bg);
    color: var(--blog-pre-text);
    padding: 1.25rem;
    border-radius: 0.5rem;
    overflow-x: auto;
    margin: 1.5rem 0;
    font-size: 0.875rem;
    line-height: 1.6;
}

.blog-content pre code {
    background: none;
    padding: 0;
    color: inherit;
    font-size: inherit;
}

.blog-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    font-size: 0.9375rem;
}

.blog-content th,
.blog-content td {
    padding: 0.625rem 0.875rem;
    border: 1px solid var(--blog-border);
    text-align: left;
}

.blog-content th {
    background: var(--blog-table-header-bg);
    font-weight: 600;
    color: var(--blog-table-header-text);
}

.blog-content td {
    color: var(--blog-table-cell-text);
}

.blog-content tr:nth-child(even) td {
    background: var(--blog-table-stripe-bg);
}

.blog-content strong {
    color: var(--blog-heading);
}

/* ----------------------------------------------------------
   Sidebar
   ---------------------------------------------------------- */
.blog-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

@media (min-width: 1024px) {
    .blog-sidebar {
        position: sticky;
        top: 5rem;
        align-self: start;
    }
}

.blog-sidebar-section h3 {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--blog-text-muted);
    margin-bottom: 0.5rem;
}

.blog-sidebar-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
}

.blog-sidebar-tags a {
    font-size: 0.8125rem;
    padding: 0.25rem 0.625rem;
    border-radius: 9999px;
    background: var(--blog-tag-bg);
    color: var(--blog-tag-text);
    text-decoration: none;
    transition: background 0.15s ease;
}

.blog-sidebar-tags a:hover {
    background: var(--blog-surface-hover);
    color: var(--blog-text);
}

/* Share section at bottom of article */
.blog-share-bottom {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 3rem;
}

.blog-share-label {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--blog-text-muted);
}

.blog-copy-feedback {
    font-size: 0.8125rem;
    color: var(--blog-text-secondary);
    opacity: 0;
    transition: opacity 0.15s ease;
}

.blog-copy-feedback--visible {
    opacity: 1;
}

/* Share buttons */
.blog-share-buttons {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.blog-share-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: 0.375rem;
    border: none;
    background: var(--blog-surface);
    color: var(--blog-text-muted);
    cursor: pointer;
    transition: all 0.15s ease;
    text-decoration: none;
}

.blog-share-btn:hover {
    background: var(--blog-surface-hover);
    color: var(--blog-text);
}

.blog-share-btn svg {
    width: 1rem;
    height: 1rem;
}

/* Recent posts — same style as prev/next nav */
.blog-sidebar-recent a {
    display: block;
    padding: 0.25rem 0;
    font-size: 0.875rem;
    color: var(--blog-text-secondary);
    text-decoration: none;
    line-height: 1.4;
    transition: color 0.15s ease;
}

.blog-sidebar-recent a:hover {
    color: var(--blog-heading);
}

/* ----------------------------------------------------------
   Prev / Next Navigation
   ---------------------------------------------------------- */
.blog-prev-next {
    display: flex;
    justify-content: space-between;
    margin-top: 3rem;
}

.blog-prev-link,
.blog-next-link {
    font-size: 0.875rem;
    color: var(--blog-text-secondary);
    text-decoration: none;
    transition: color 0.15s ease;
}

.blog-prev-link:hover,
.blog-next-link:hover {
    color: var(--blog-heading);
}

.blog-next-link {
    text-align: right;
}

/* ----------------------------------------------------------
   Mobile Responsive
   ---------------------------------------------------------- */
@media (max-width: 639px) {
    .blog-card-title {
        font-size: 1rem;
    }

    .blog-card-text-forward .blog-card-title {
        font-size: 1.125rem;
    }

    .blog-card-summary {
        -webkit-line-clamp: 2;
    }

    .blog-article-header h1 {
        font-size: 1.625rem;
    }

    .blog-content {
        font-size: 1rem;
    }

    .blog-filters {
        align-items: stretch;
    }

    .blog-filter-tools {
        justify-content: center;
    }

    .blog-filter-tags {
        justify-content: flex-start;
        overflow-x: auto;
        flex-wrap: nowrap;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        padding-bottom: 0.25rem;
    }

    .blog-filter-tags::-webkit-scrollbar {
        display: none;
    }

    .blog-tag-pill {
        white-space: nowrap;
        flex-shrink: 0;
    }
}