/* ─────────────────────────────────────────────
   byteshiftlabs v2 — editorial with sidebar
   Dark blue, white, orange palette
   ───────────────────────────────────────────── */

/* ── Smooth Scroll (respects reduced motion) ── */
html {
    scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

:root {
    --cream: #ffffff;
    --parchment: #f0f4f8;
    --ink: #0d1b2a;
    --stone: #778da9;
    --warm: #e85d04;
    --rust: #dc2f02;
    --sage: #415a77;
    --ochre: #fb8500;
    --faint: rgba(13, 27, 42, 0.04);
    --rule: rgba(13, 27, 42, 0.15);
    --sans: 'Space Grotesk', system-ui, sans-serif;
    --mono: 'IBM Plex Mono', 'Menlo', monospace;
    --sidebar-width: 280px;
}

/* ── Dark Theme ── */
[data-theme="dark"] {
    --cream: #0d1b2a;
    --parchment: #1b2838;
    --ink: #e0e6ed;
    --stone: #8899a6;
    --faint: rgba(224, 230, 237, 0.06);
    --rule: rgba(224, 230, 237, 0.15);
}

[data-theme="dark"] .sidebar {
    background: #060d14;
    border-right-color: rgba(255, 255, 255, 0.08);
    color: #ffffff;
}

[data-theme="dark"] .stat-card,
[data-theme="dark"] .thought-card,
[data-theme="dark"] .markdown-body {
    background: var(--parchment);
    border-color: var(--rule);
}

[data-theme="dark"] .contact-links a {
    border-color: var(--rule);
    color: var(--ink);
}

[data-theme="dark"] .contact-links a:hover {
    background: var(--ochre);
    border-color: var(--ochre);
    color: var(--cream);
}

[data-theme="dark"] .about-col p,
[data-theme="dark"] .focus-list li {
    color: var(--stone);
}

[data-theme="dark"] .filter-btn {
    background: var(--parchment);
    color: var(--stone);
}

[data-theme="dark"] .filter-btn.active {
    background: var(--ochre);
    color: #0d1b2a;
    border-color: var(--ochre);
}

[data-theme="dark"] .markdown-body pre {
    background: #060d14;
}

[data-theme="dark"] .wordmark {
    color: #ffffff;
}

/* ── Reset ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

/* ── Skip Link (Accessibility) ── */
.skip-link {
    position: fixed;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    padding: 12px 24px;
    background: var(--warm);
    color: var(--cream);
    font-family: var(--mono);
    font-size: 0.85rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: 0 0 8px 8px;
    transition: top 200ms;
}

.skip-link:focus {
    top: 0;
    outline: 2px solid var(--ochre);
    outline-offset: 2px;
}

html {
    scroll-behavior: smooth;
    font-size: 17px;
    background: var(--cream);
    color: var(--ink);
}

body {
    font-family: var(--sans);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

::selection {
    background: var(--warm);
    color: var(--cream);
}

a {
    color: inherit;
    text-decoration: none;
}

/* ── Sidebar ── */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: #0d1b2a;
    color: var(--cream);
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 100;
}

.sidebar-inner {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 48px 32px;
}

.sidebar-header {
    margin-bottom: 56px;
}

.sidebar-logo {
    width: 180px;
    height: 180px;
    border-radius: 16px;
    margin-bottom: 20px;
    display: block;
}

.wordmark {
    font-family: var(--mono);
    font-weight: 500;
    font-size: 1rem;
    letter-spacing: -0.02em;
    display: block;
    margin-bottom: 16px;
}

.underscore {
    color: var(--warm);
}

.sidebar-header .label {
    font-size: 0.82rem;
    color: rgba(245, 240, 232, 0.7);
    margin-bottom: 4px;
}

.location {
    font-size: 0.75rem;
    font-family: var(--mono);
    color: rgba(245, 240, 232, 0.45);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

/* ── Sidebar Navigation ── */
.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
}

.nav-item {
    font-size: 0.9rem;
    font-weight: 500;
    color: rgba(245, 240, 232, 0.6);
    padding: 12px 0;
    border-bottom: 1px solid rgba(245, 240, 232, 0.08);
    transition: color 200ms, padding-left 200ms;
}

.nav-item:hover {
    color: var(--cream);
    padding-left: 8px;
}

.nav-item:focus-visible {
    color: var(--cream);
    padding-left: 8px;
    outline: 2px solid var(--warm);
    outline-offset: 2px;
    border-radius: 4px;
}

/* ── Sidebar Footer ── */
.sidebar-footer {
    margin-top: auto;
    padding-top: 32px;
    border-top: 1px solid rgba(245, 240, 232, 0.12);
}

.lang-selector {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(245, 240, 232, 0.08);
}

.lang-link {
    font-family: var(--mono);
    font-size: 0.78rem;
    color: rgba(245, 240, 232, 0.5);
    padding: 4px 8px;
    border: 1px solid rgba(245, 240, 232, 0.2);
    border-radius: 4px;
    transition: all 200ms;
}

.lang-link:hover {
    color: var(--cream);
    border-color: rgba(245, 240, 232, 0.4);
}

.lang-link.active {
    color: var(--warm);
    border-color: var(--warm);
    background: rgba(196, 88, 10, 0.1);
}

/* ── Theme Toggle ── */
.theme-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 10px 12px;
    margin-bottom: 16px;
    font-family: var(--mono);
    font-size: 0.78rem;
    color: rgba(245, 240, 232, 0.6);
    background: rgba(245, 240, 232, 0.05);
    border: 1px solid rgba(245, 240, 232, 0.15);
    border-radius: 6px;
    cursor: pointer;
    transition: all 200ms;
}

.theme-toggle:hover {
    color: var(--cream);
    border-color: rgba(245, 240, 232, 0.3);
}

.theme-toggle:focus-visible {
    outline: 2px solid var(--warm);
    outline-offset: 2px;
}

.theme-toggle .icon {
    width: 16px;
    height: 16px;
    margin-right: 0;
}

.theme-toggle .sun {
    display: none;
}

.theme-toggle .moon {
    display: block;
}

[data-theme="dark"] .theme-toggle .sun {
    display: block;
}

[data-theme="dark"] .theme-toggle .moon {
    display: none;
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 24px;
}

.social-links a {
    font-size: 0.82rem;
    color: rgba(245, 240, 232, 0.5);
    transition: color 200ms;
}

.social-links a:hover {
    color: var(--warm);
}

.copyright {
    font-family: var(--mono);
    font-size: 0.72rem;
    color: rgba(245, 240, 232, 0.35);
}

/* ── Main Content ── */
.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
}

/* ── Intro ── */
.intro {
    max-width: 800px;
    padding: 120px 80px 100px;
    border-bottom: 1px solid var(--rule);
}

.intro h1 {
    font-size: clamp(2.4rem, 5vw, 3.8rem);
    font-weight: 700;
    line-height: 1.12;
    letter-spacing: -0.035em;
    margin-bottom: 28px;
}

.intro .sub {
    font-size: 1.1rem;
    color: var(--stone);
    max-width: 560px;
    line-height: 1.6;
    margin-bottom: 48px;
}

/* ── Stats Grid ── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 16px;
    margin-top: 40px;
}

.stat-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 24px 16px;
    background: var(--parchment);
    border: 1px solid var(--rule);
    border-radius: 8px;
    text-align: center;
    transition: transform 200ms, box-shadow 200ms;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(26, 23, 21, 0.08);
}

.stat-icon {
    width: 24px;
    height: 24px;
    color: var(--rust);
    margin-bottom: 12px;
}

.stat-value {
    font-family: var(--mono);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--ink);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--stone);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ── Projects ── */
.work {
    padding: 80px 80px;
    border-bottom: 1px solid var(--rule);
}

.work h2 {
    font-size: 0.78rem;
    font-family: var(--mono);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--rust);
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--ochre);
}

/* ── Filter Bar ── */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 32px;
}

.filter-btn {
    font-family: var(--mono);
    font-size: 0.75rem;
    padding: 8px 16px;
    background: var(--parchment);
    border: 1px solid var(--rule);
    border-radius: 20px;
    color: var(--stone);
    cursor: pointer;
    transition: all 200ms;
}

.filter-btn:hover {
    color: var(--ink);
    border-color: var(--stone);
}

.filter-btn:focus-visible {
    outline: 2px solid var(--warm);
    outline-offset: 2px;
}

.filter-btn.active {
    background: var(--ink);
    color: var(--cream);
    border-color: var(--ink);
}

.project-card {
    transition: opacity 300ms, transform 300ms;
}

.project-card.hidden {
    display: none;
}

.project {
    display: grid;
    grid-template-columns: 48px 1fr 40px;
    gap: 24px;
    align-items: start;
    padding: 36px 0;
    border-bottom: 1px solid var(--rule);
    transition: background 200ms;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
}

/* ── Project Card Layout (with README) ── */
.project-card {
    border-bottom: 1px solid var(--rule);
    padding: 36px 0;
}

.project-header {
    display: grid;
    grid-template-columns: 48px 1fr;
    gap: 24px;
    align-items: start;
}

.project-title-link {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: inherit;
}

.project-title-link:hover h3 {
    color: var(--warm);
}

.project-title-link:hover .arrow {
    transform: translate(2px, -2px);
    color: var(--warm);
}

.project-title-link .arrow {
    font-size: 1.2rem;
    color: var(--stone);
    transition: transform 200ms, color 200ms;
}

.project:hover {
    background: var(--faint);
    margin: 0 -24px;
    padding-left: 24px;
    padding-right: 24px;
}

.project:hover .arrow {
    transform: translate(2px, -2px);
    color: var(--warm);
}

.project-num {
    font-family: var(--mono);
    font-size: 0.78rem;
    color: var(--stone);
    padding-top: 4px;
}

.project-body h3 {
    font-size: 1.35rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: 8px;
}

.project-body p {
    font-size: 0.92rem;
    color: var(--stone);
    line-height: 1.55;
    max-width: 520px;
    margin-bottom: 12px;
}

.tags {
    display: flex;
    gap: 8px;
    list-style: none;
    margin-bottom: 12px;
}

.tags li {
   font-family: var(--mono);
    font-size: 0.7rem;
    padding: 3px 10px;
    border: 1px solid var(--rule);
    border-radius: 99px;
    color: var(--stone);
    background: var(--parchment);
}

/* ── Project Stats ── */
.project-stats {
    display: flex;
    gap: 16px;
    margin-top: 12px;
    font-size: 0.8rem;
    color: var(--stone);
}

.project-stat {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-family: var(--mono);
    font-size: 0.75rem;
}

.stat-icon-sm {
    width: 12px;
    height: 12px;
    flex-shrink: 0;
    opacity: 0.6;
}

.arrow {
    font-size: 1.4rem;
    color: var(--stone);
    padding-top: 4px;
    transition: transform 200ms, color 200ms;
}

/* ── README Toggle & Content ── */
.readme-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 16px;
    margin-left: 72px;
    padding: 8px 16px;
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--stone);
    background: var(--parchment);
    border: 1px solid var(--rule);
    border-radius: 6px;
    cursor: pointer;
    transition: all 200ms;
}

.readme-toggle:hover {
    color: var(--ink);
    border-color: var(--stone);
}

.readme-toggle .chevron {
    width: 14px;
    height: 14px;
    transition: transform 200ms;
}

.readme-toggle.expanded .chevron {
    transform: rotate(180deg);
}

.readme-content {
    max-height: 0;
    overflow: hidden;
    margin-left: 72px;
    transition: max-height 400ms ease-out, padding 200ms;
}

.readme-content.expanded {
    max-height: 2000px;
    padding: 24px 0;
    cursor: pointer;
}

.readme-loading,
.readme-error {
    font-family: var(--mono);
    font-size: 0.85rem;
    color: var(--stone);
    padding: 16px 0;
}

.readme-error {
    color: var(--warm);
}

/* ── Markdown Body Styling ── */
.markdown-body {
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--ink);
    max-width: 680px;
    padding: 20px 24px;
    background: var(--parchment);
    border: 1px solid var(--rule);
    border-radius: 8px;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3 {
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-top: 24px;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--rule);
}

.markdown-body h1 { font-size: 1.4rem; }
.markdown-body h2 { font-size: 1.2rem; }
.markdown-body h3 { font-size: 1.05rem; border-bottom: none; }

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

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

.markdown-body li {
    margin-bottom: 6px;
}

.markdown-body code {
    font-family: var(--mono);
    font-size: 0.85em;
    padding: 2px 6px;
    background: var(--faint);
    border-radius: 4px;
}

.markdown-body pre {
    margin-bottom: 16px;
    padding: 16px;
    background: var(--ink);
    color: var(--cream);
    border-radius: 8px;
    overflow-x: auto;
}

.markdown-body pre code {
    background: none;
    padding: 0;
    color: inherit;
}

.markdown-body a {
    color: var(--ochre);
    text-decoration: underline;
}

.markdown-body a:hover {
    color: var(--warm);
}

.markdown-body blockquote {
    margin: 16px 0;
    padding: 12px 20px;
    border-left: 3px solid var(--warm);
    background: var(--faint);
    color: var(--stone);
    font-style: italic;
}

.markdown-body img {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
    margin: 16px 0;
}

.markdown-body table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 16px;
}

.markdown-body th,
.markdown-body td {
    padding: 10px 12px;
    border: 1px solid var(--rule);
    text-align: left;
}

.markdown-body th {
    background: var(--faint);
    font-weight: 600;
}

/* ── About ── */
.about {
    padding: 80px 80px;
    border-bottom: 1px solid var(--rule);
}

.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
}

.about h2 {
    font-size: 0.78rem;
    font-family: var(--mono);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--sage);
    margin-bottom: 32px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--sage);
}

.about-col p {
    font-size: 1rem;
    line-height: 1.7;
    color: rgba(26, 23, 21, 0.75);
    margin-bottom: 20px;
}

.about h4 {
    font-family: var(--mono);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--stone);
    margin-bottom: 12px;
    margin-top: 32px;
}

.about h4:first-child {
    margin-top: 0;
}

blockquote {
    font-size: 1.3rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--ink);
    padding-left: 20px;
    border-left: 3px solid var(--ochre);
    margin-bottom: 8px;
}

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

.focus-list li {
    font-size: 0.92rem;
    color: rgba(26, 23, 21, 0.65);
    padding: 8px 0;
    border-bottom: 1px solid var(--rule);
}

.focus-list li:last-child {
    border-bottom: none;
}

/* ── Thoughts ── */
.thoughts {
    padding: 80px 80px;
    border-bottom: 1px solid var(--rule);
}

.thoughts h2 {
    font-size: 0.78rem;
    font-family: var(--mono);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--ochre);
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--ochre);
}

.construction-notice {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 32px;
    background: var(--parchment);
    border: 2px dashed var(--rule);
    border-radius: 8px;
    max-width: 500px;
}

.construction-notice .construction-icon {
    width: 32px;
    height: 32px;
    color: var(--ochre);
    flex-shrink: 0;
}

.construction-notice p {
    font-size: 1rem;
    color: var(--stone);
    margin: 0;
}

.thoughts-intro {
    max-width: 600px;
    margin-bottom: 40px;
}

.thoughts-intro p {
    font-size: 1rem;
    color: var(--stone);
    line-height: 1.6;
}

.thoughts-grid {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.thought-card {
    padding: 32px;
    background: var(--parchment);
    border: 1px solid var(--rule);
    border-radius: 8px;
    max-width: 720px;
}

.thought-date {
    font-family: var(--mono);
    font-size: 0.7rem;
    color: var(--stone);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.thought-card h3,
.thought-card h4 {
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin: 0 0 16px;
    color: var(--ink);
}

.thought-card p {
    font-size: 0.92rem;
    color: var(--stone);
    line-height: 1.65;
    margin-bottom: 12px;
}

.thought-card p:last-child {
    margin-bottom: 0;
}

/* ── Contact ── */
.contact {
    padding: 80px 80px;
    border-bottom: 1px solid var(--rule);
}

.contact h2 {
    font-size: 0.78rem;
    font-family: var(--mono);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--rust);
    margin-bottom: 32px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--rust);
}

.contact p {
    font-size: 1rem;
    color: var(--stone);
    margin-bottom: 24px;
}

.contact-links {
    display: flex;
    gap: 24px;
}

.contact-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--ink);
    padding: 12px 24px;
    border: 1px solid var(--rule);
    transition: background 200ms, border-color 200ms;
}

.contact-links a:hover {
    background: var(--ink);
    color: var(--cream);
    border-color: var(--ink);
}

/* ── Footer ── */
footer {
    padding: 40px 80px;
}

.footer-inner {
    text-align: center;
}

.copy {
    font-size: 0.72rem;
    color: var(--stone);
}

.copy a {
    color: var(--warm);
}

/* ── Icons ── */
.icon {
    width: 18px;
    height: 18px;
    display: inline-block;
    vertical-align: middle;
    margin-right: 6px;
}

.icon-lg {
    width: 24px;
    height: 24px;
}

.sidebar .icon {
    opacity: 0.7;
}

.nav-item:hover .icon {
    opacity: 1;
}

.project-num {
    font-family: var(--mono);
    font-size: 0.78rem;
    color: var(--rust);
    padding-top: 4px;
    font-weight: 600;
}

.focus-list li::before {
    content: '▸';
    color: var(--sage);
    font-weight: bold;
    display: inline-block;
    width: 1em;
    margin-left: -1em;
    margin-right: 0.5em;
}

.contact-links a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

/* ── Responsive ── */
@media (max-width: 1024px) {
    :root {
        --sidebar-width: 240px;
    }
    
    .intro, .work, .about, .thoughts, .contact, footer {
        padding-left: 48px;
        padding-right: 48px;
    }
    
    .sidebar-inner {
        padding: 40px 24px;
    }
}

@media (max-width: 768px) {
    :root {
        --sidebar-width: 0px;
    }
    
    .sidebar {
        position: relative;
        width: 100%;
        height: auto;
        border-right: none;
        border-bottom: 1px solid rgba(245, 240, 232, 0.12);
    }
    
    .sidebar-inner {
        padding: 32px 24px;
    }
    
    .sidebar-nav {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 16px;
        margin-bottom: 24px;
    }
    
    .nav-item {
        border-bottom: none;
        padding: 8px 0;
    }
    
    .lang-selector {
        justify-content: center;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .intro, .work, .about, .thoughts, .contact, footer {
        padding-left: 24px;
        padding-right: 24px;
    }
    
    .intro {
        padding-top: 60px;
        padding-bottom: 60px;
    }
    
    .intro h1 {
        font-size: 2rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .stat-card {
        padding: 20px 12px;
    }
    
    .stat-value {
        font-size: 1.5rem;
    }
    
    .work, .about, .thoughts, .contact {
        padding-top: 60px;
        padding-bottom: 60px;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .project {
        grid-template-columns: 32px 1fr 28px;
        gap: 12px;
        padding: 24px 0;
    }
    
    .project:hover {
        margin: 0 -12px;
        padding-left: 12px;
        padding-right: 12px;
    }
    
    .project-body h3 {
        font-size: 1.1rem;
    }
    
    /* Project card responsive */
    .project-header {
        grid-template-columns: 32px 1fr;
        gap: 12px;
    }
    
    .project-card {
        padding: 24px 0;
    }
    
    .readme-toggle,
    .readme-content {
        margin-left: 44px;
    }
    
    .markdown-body {
        padding: 16px;
        font-size: 0.85rem;
    }
    
    .thought-card {
        padding: 24px;
    }
    
    .thought-card h3,
    .thought-card h4 {
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .readme-toggle,
    .readme-content {
        margin-left: 0;
    }
    
    .project-header {
        grid-template-columns: 1fr;
    }
    
    .project-num {
        display: none;
    }
}

/* ── Dynamic repos loading states ── */
.loading-repos,
.no-repos,
.error-repos {
    font-family: var(--mono);
    font-size: 0.9rem;
    color: var(--stone);
    padding: 48px 0;
    text-align: center;
}

.error-repos {
    color: var(--warm);
}

/* ── Back to Top Button ── */
.back-to-top {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 44px;
    height: 44px;
    background: var(--ink);
    color: var(--cream);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity 200ms, visibility 200ms, transform 200ms, background 200ms;
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--warm);
}

.back-to-top:focus {
    outline: 2px solid var(--warm);
    outline-offset: 2px;
}

.back-to-top svg {
    width: 20px;
    height: 20px;
}

[data-theme="dark"] .back-to-top {
    background: var(--stone);
    color: var(--ink);
}

[data-theme="dark"] .back-to-top:hover {
    background: var(--warm);
    color: var(--cream);
}

@media (max-width: 900px) {
    .back-to-top {
        bottom: 16px;
        right: 16px;
        width: 40px;
        height: 40px;
    }
}