/* Homepage / CV styling */

:root {
    --site-shell-width: 1200px;
    --site-home-width: 900px;
    --site-page-width: 1120px;
    --site-article-width: 1160px;
    --nav-width: var(--site-shell-width);
    --main-width: var(--site-shell-width);
    --cv-accent: #5f8cff;
    --cv-accent-soft: rgba(95, 140, 255, 0.16);
    --cv-panel: rgba(127, 127, 127, 0.05);
    --cv-grid: rgba(127, 127, 127, 0.1);
    --cv-shadow: 0 24px 60px rgba(15, 23, 42, 0.08);
}

.dark {
    /* PaperMod base token overrides */
    --theme: #111318;
    --entry: #16191f;
    --primary: #dde2ec;
    --secondary: rgba(160, 180, 255, 0.55);
    --content: #a8b0c0;
    --border: rgba(160, 180, 255, 0.10);

    /* cv custom tokens */
    --cv-accent: #00e5c0;
    --cv-accent-soft: rgba(0, 229, 192, 0.12);
    --cv-panel: rgba(255, 255, 255, 0.03);
    --cv-grid: rgba(160, 180, 255, 0.08);
    --cv-shadow: 0 26px 70px rgba(0, 0, 0, 0.4);
}

body {
    font-family: "Avenir Next", "IBM Plex Sans", "Segoe UI", sans-serif;
}

.logo a,
.menu a,
.cv-subtitle,
.cv-quick-links a,
.cv-ql-sep,
.cv-content h2::before,
.cv-content h3 + p em,
.cv-content h2#academic-papers + ul li strong {
    font-family: "SF Mono", "JetBrains Mono", "IBM Plex Mono", "Menlo", monospace;
}

.header {
    border-bottom: 1px solid rgba(127, 127, 127, 0.08);
}

.nav {
    max-width: calc(var(--nav-width) + var(--gap) * 2);
    padding: 1rem 1.25rem 0.85rem;
}

.logo a {
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.menu a {
    font-size: 0.78rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.menu a::before {
    content: "/";
    margin-right: 0.45rem;
    color: var(--secondary);
}

#theme-toggle {
    border: 1px solid var(--border);
    border-radius: 999px;
}

.cv-page {
    position: relative;
    isolation: isolate;
    max-width: var(--site-home-width);
    margin: 0 auto;
    padding: 3rem 1.4rem 4.5rem;
}

.cv-page > * {
    position: relative;
    z-index: 1;
}

.cv-page::before {
    content: "";
    position: absolute;
    inset: -3rem -4rem auto;
    height: 20rem;
    background: radial-gradient(circle at top left, var(--cv-accent-soft), transparent 60%);
    pointer-events: none;
}

.cv-page::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--cv-grid) 1px, transparent 1px),
        linear-gradient(90deg, var(--cv-grid) 1px, transparent 1px);
    background-position: center top;
    background-size: 32px 32px;
    opacity: 0.28;
    pointer-events: none;
    -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.22), transparent 26%);
    mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.22), transparent 26%);
}

.cv-header {
    margin-bottom: 1.8rem;
    text-align: left;
    animation: cv-rise 0.55s ease-out both;
    position: relative;
    overflow: hidden;
}

.cv-header h1 {
    margin: 0;
    font-size: clamp(3rem, 10vw, 4.4rem);
    line-height: 0.94;
    letter-spacing: -0.05em;
    font-weight: 700;
    color: var(--primary);
    text-wrap: balance;
    position: relative;
    z-index: 1;
}

.cv-subtitle {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    margin: 0;
    padding: 0.45rem 0.8rem;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--cv-panel);
    color: var(--secondary);
    font-size: 0.76rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.cv-meta-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem 0.9rem;
    margin-top: 0.9rem;
}

.cv-quick-links {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.4rem;
    margin: 0;
}

.cv-quick-links a {
    color: var(--primary);
    font-family: "SF Mono", "JetBrains Mono", "IBM Plex Mono", "Menlo", monospace;
    font-size: 0.82rem;
    font-weight: 500;
    text-decoration: none;
    transition: opacity 0.15s ease;
}

.cv-quick-links a:hover {
    opacity: 0.7;
}

.cv-ql-sep {
    color: var(--secondary);
    font-size: 0.78rem;
    opacity: 0.5;
    user-select: none;
}

.cv-hero {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 200px;
    gap: 1.8rem;
    align-items: start;
    margin: 0 0 2rem;
    padding: 1.5rem 1.6rem;
    border: 1px solid var(--border);
    border-radius: 28px;
    background:
        linear-gradient(135deg, rgba(127, 127, 127, 0.06), transparent 58%),
        var(--entry);
    box-shadow: var(--cv-shadow);
    overflow: hidden;
    animation: cv-rise 0.7s ease-out 0.08s both;
}

.cv-hero::before {
    content: "";
    position: absolute;
    right: -3rem;
    bottom: -4rem;
    width: 14rem;
    height: 14rem;
    background: radial-gradient(circle, var(--cv-accent-soft), transparent 68%);
    pointer-events: none;
}

.cv-hero-text {
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
    min-width: 0;
}

.cv-hero-kicker {
    color: var(--secondary);
    font-family: "SF Mono", "JetBrains Mono", "IBM Plex Mono", "Menlo", monospace;
    font-size: 0.72rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.cv-hero-bio {
    display: grid;
    gap: 0.65rem;
    max-width: 58ch;
}

.cv-hero-bio a {
    color: var(--primary);
    text-decoration: none;
}

.cv-hero-bio a:hover {
    text-decoration: underline;
}

.cv-hero-bio strong {
    font-weight: 600;
}

.cv-hero-photo {
    display: flex;
    justify-content: flex-end;
}

.cv-hero-photo-frame {
    width: min(100%, 220px);
}

.cv-hero-photo img {
    display: block;
    width: 100%;
    aspect-ratio: 4 / 5;
    height: auto;
    object-fit: cover;
    object-position: center top;
    border-radius: 20px;
    border: 1px solid var(--border);
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.10);
}

.dark .cv-hero-photo img {
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.45);
}

.cv-content {
    counter-reset: cv-section;
    color: var(--content);
}

.cv-content p {
    max-width: 76ch;
    margin: 0 0 1.15rem;
    color: var(--content);
    font-size: 1.02rem;
    line-height: 1.85;
}

.cv-content h2 {
    counter-increment: cv-section;
    display: flex;
    align-items: baseline;
    gap: 0.85rem;
    margin-top: 3rem;
    margin-bottom: 1rem;
    padding-bottom: 0.85rem;
    border-bottom: 1px solid var(--border);
    color: var(--primary);
    font-size: 1.4rem;
    font-weight: 650;
    letter-spacing: -0.02em;
}

.cv-content h2::before {
    content: counter(cv-section, decimal-leading-zero);
    display: inline-block;
    color: var(--secondary);
    font-size: 0.74rem;
    font-weight: 500;
    letter-spacing: 0.16em;
}

.cv-content h3 {
    position: relative;
    margin-top: 1.8rem;
    margin-bottom: 0.45rem;
    padding-left: 1rem;
    color: var(--primary);
    font-size: 1.08rem;
    letter-spacing: -0.01em;
}

.cv-content h3::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.2rem;
    bottom: 0.2rem;
    width: 2px;
    border-radius: 999px;
    background: linear-gradient(180deg, var(--cv-accent), transparent);
}

.cv-content h3 a {
    color: inherit;
}

.cv-content hr {
    border: none;
    height: 1px;
    margin: 2.2rem 0;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.cv-content > hr:first-child {
    display: none;
}

.cv-content ul {
    margin: 0.75rem 0 0;
    padding-left: 1.15rem;
}

.cv-content li {
    margin-bottom: 0.7rem;
    line-height: 1.75;
}

.cv-content a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.15s ease, opacity 0.15s ease;
}

.cv-content a:hover {
    opacity: 0.85;
    text-decoration: none;
}

.cv-content h3 + p {
    margin-top: 0.15rem;
}

.cv-content h3 + p em {
    color: var(--secondary);
    font-style: normal;
    font-size: 0.82rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.cv-content li strong {
    margin-left: 0.2rem;
    color: var(--secondary);
    font-size: 0.82em;
    font-weight: 600;
}

.cv-content h2#academic-papers + ul {
    list-style: none;
    padding-left: 0;
}

.cv-content h2#academic-papers + ul li {
    margin-bottom: 0;
    padding: 0.9rem 0;
    border-bottom: 1px solid var(--border);
}

.cv-content h2#academic-papers + ul li:last-child {
    border-bottom: none;
}

.cv-content h2#academic-papers + ul li strong {
    display: inline-block;
    margin-left: 0.4rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

@media (max-width: 768px) {
    .nav {
        padding: 0.9rem 1rem 0.75rem;
    }

    .menu a::before {
        margin-right: 0.35rem;
    }

    .cv-page {
        padding: 1.5rem 1rem 3rem;
    }

    .cv-page::after {
        opacity: 0.18;
    }

    .cv-header h1 {
        font-size: clamp(2.4rem, 13vw, 3.2rem);
    }

    .cv-subtitle {
        max-width: 100%;
        line-height: 1.6;
    }

    .cv-meta-row {
        gap: 0.55rem 0.75rem;
    }

    .cv-hero {
        grid-template-columns: 1fr;
        gap: 1.2rem;
        padding: 1.1rem;
        border-radius: 22px;
    }

    .cv-hero-photo {
        order: -1;
        justify-content: flex-start;
    }

    .cv-hero-photo-frame {
        width: min(100%, 160px);
    }

    .cv-hero-photo img {
        border-radius: 16px;
    }

    .cv-quick-links {
        gap: 0.3rem;
    }

    .cv-content p {
        font-size: 0.98rem;
    }

    .cv-content h2 {
        gap: 0.65rem;
        font-size: 1.18rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .cv-header,
    .cv-hero {
        animation: none;
        transition: none;
    }
}

@keyframes cv-rise {
    from {
        opacity: 0;
        transform: translateY(12px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================================
   TYPOGRAPHIC DRAMA — Homepage header (dark mode only)
   ============================================================ */

/* Gradient name fill */
.dark .cv-header h1 {
    font-size: clamp(3.5rem, 12vw, 5.5rem);
    letter-spacing: -0.06em;
    line-height: 0.88;
    background: linear-gradient(100deg, #dde2ec 30%, #6a80b0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* "XY" faint watermark */
.dark .cv-header::before {
    content: "XY";
    position: absolute;
    right: -0.5rem;
    top: -1rem;
    font-family: "SF Mono", "JetBrains Mono", "IBM Plex Mono", monospace;
    font-size: 9rem;
    font-weight: 700;
    color: rgba(0, 229, 192, 0.035);
    letter-spacing: -0.06em;
    line-height: 1;
    pointer-events: none;
    user-select: none;
    z-index: 0;
}

/* Tag pill — cyan border + text in dark mode */
.dark .cv-subtitle {
    border-color: rgba(0, 229, 192, 0.3);
    color: var(--cv-accent);
}

/* ============================================================
   HERO BIO — full hero card bio
   ============================================================ */

.cv-content .cv-hero-bio p {
    margin: 0;
    max-width: 58ch;
    color: var(--content);
    font-size: 0.9rem;
    line-height: 1.8;
}

/* ============================================================
   SECTION ACCORDIONS — <details>/<summary> as h2 replacement
   ============================================================ */

/* Counter incremented on the <details> element so summary::before reads correctly */
.cv-content > details {
    counter-increment: cv-section;
}

.cv-content > details > summary {
    display: flex;
    align-items: baseline;
    gap: 0.85rem;
    margin-top: 3rem;
    margin-bottom: 1rem;
    padding-bottom: 0.85rem;
    border-bottom: 1px solid var(--border);
    color: var(--primary);
    font-size: 1.4rem;
    font-weight: 650;
    letter-spacing: -0.02em;
    cursor: pointer;
    list-style: none;
}

.cv-content > details > summary::-webkit-details-marker {
    display: none;
}

.cv-content > details > summary::marker {
    display: none;
}

/* Numeric counter prefix — same style as .cv-content h2::before */
.cv-content > details > summary::before {
    content: counter(cv-section, decimal-leading-zero);
    display: inline-block;
    color: var(--secondary);
    font-family: "SF Mono", "JetBrains Mono", "IBM Plex Mono", monospace;
    font-size: 0.74rem;
    font-weight: 500;
    letter-spacing: 0.16em;
}

/* Toggle glyph on the right */
.cv-content > details > summary::after {
    content: "▸";
    margin-left: auto;
    font-family: "SF Mono", "JetBrains Mono", "IBM Plex Mono", monospace;
    font-size: 0.74rem;
    color: var(--cv-accent);
}

.cv-content > details[open] > summary::after {
    content: "▾";
}

@media (max-width: 768px) {
    .cv-content > details > summary {
        font-size: 1.18rem;
        gap: 0.65rem;
    }
}

/* ============================================================
   BLOG LIST — Compact List
   ============================================================ */

.list-page {
    position: relative;
    isolation: isolate;
    max-width: var(--site-page-width);
    margin: 0 auto;
    padding: 3rem 1.4rem 4.5rem;
}

/* Grid backdrop — same pattern as homepage */
.list-page::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--cv-grid) 1px, transparent 1px),
        linear-gradient(90deg, var(--cv-grid) 1px, transparent 1px);
    background-position: center top;
    background-size: 32px 32px;
    opacity: 0.28;
    pointer-events: none;
    z-index: -1;
    -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.22), transparent 26%);
    mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.22), transparent 26%);
}

/* Page heading styled like homepage h2 */
.list-page-header {
    display: flex;
    align-items: baseline;
    gap: 0.85rem;
    margin-bottom: 2.5rem;
    padding-bottom: 0.85rem;
    border-bottom: 1px solid var(--border);
    color: var(--primary);
    font-size: 1.4rem;
    font-weight: 650;
    letter-spacing: -0.02em;
}

.list-page-header::before {
    content: "01";
    font-family: "SF Mono", "JetBrains Mono", "IBM Plex Mono", monospace;
    font-size: 0.74rem;
    font-weight: 500;
    letter-spacing: 0.16em;
    color: var(--secondary);
}

/* Each post entry */
.post-entry-link {
    display: block;
    text-decoration: none;
    color: inherit;
    padding: 1.1rem 0;
    border-bottom: 1px solid var(--border);
}

.post-entry-link:hover .post-entry-title {
    color: var(--cv-accent);
}

.post-entry-meta {
    font-family: "SF Mono", "JetBrains Mono", "IBM Plex Mono", monospace;
    font-size: 0.72rem;
    color: var(--secondary);
    letter-spacing: 0.08em;
    margin-bottom: 0.2rem;
}

.post-entry-title {
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--primary);
    margin: 0 0 0.25rem;
    line-height: 1.4;
    transition: color 0.15s ease;
}

.post-entry-cats {
    font-family: "SF Mono", "JetBrains Mono", "IBM Plex Mono", monospace;
    font-size: 0.68rem;
    color: var(--cv-accent);
    letter-spacing: 0.06em;
    margin-bottom: 0.25rem;
}

.post-entry-summary {
    font-size: 0.88rem;
    color: var(--content);
    line-height: 1.65;
    margin: 0;
    max-width: 82ch;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

@media (max-width: 768px) {
    .list-page {
        padding: 1.5rem 1rem 3rem;
    }

    .list-page::after {
        opacity: 0.18;
    }

    .list-page-header {
        font-size: 1.18rem;
        gap: 0.65rem;
    }
}

/* ============================================================
   ARTICLE PAGE — Lab Notebook
   ============================================================ */

.lab-page {
    display: grid;
    grid-template-columns: 220px minmax(0, 1fr);
    gap: clamp(2.5rem, 4vw, 4rem);
    max-width: var(--site-article-width);
    margin: 0 auto;
    padding: 3rem 1.4rem 4.5rem;
    position: relative;
    isolation: isolate;
}

/* Grid backdrop */
.lab-page::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--cv-grid) 1px, transparent 1px),
        linear-gradient(90deg, var(--cv-grid) 1px, transparent 1px);
    background-position: center top;
    background-size: 32px 32px;
    opacity: 0.28;
    pointer-events: none;
    z-index: -1;
    -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.22), transparent 20%);
    mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.22), transparent 20%);
}

/* ---- Sidebar ---- */

.lab-sidebar {
    position: sticky;
    top: 5rem;
    align-self: start;
    height: fit-content;
    max-height: calc(100vh - 6rem);
    overflow-y: auto;
    scrollbar-width: none;
}

.lab-sidebar::-webkit-scrollbar {
    display: none;
}

.lab-breadcrumb {
    font-family: "SF Mono", "JetBrains Mono", "IBM Plex Mono", monospace;
    font-size: 0.72rem;
    letter-spacing: 0.06em;
    color: var(--secondary);
    margin-bottom: 1.2rem;
}

.lab-breadcrumb a {
    color: var(--secondary);
    text-decoration: none;
    transition: color 0.15s;
}

.lab-breadcrumb a:hover {
    color: var(--cv-accent);
}

/* TOC generated by Hugo — targets the <nav> Hugo emits */
.lab-toc {
    margin-bottom: 1.5rem;
}

.lab-toc nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.lab-toc nav li {
    margin: 0;
}

.lab-toc nav a {
    display: block;
    font-family: "SF Mono", "JetBrains Mono", "IBM Plex Mono", monospace;
    font-size: 0.68rem;
    color: var(--secondary);
    text-decoration: none;
    line-height: 2;
    padding-left: 0.5rem;
    border-left: 2px solid transparent;
    transition: color 0.15s, border-color 0.15s;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.lab-toc nav a:hover {
    color: var(--primary);
}

.lab-toc nav a.active {
    color: var(--cv-accent);
    border-left-color: var(--cv-accent);
}

/* h3-level TOC items — indent */
.lab-toc nav ul ul {
    padding-left: 0.6rem;
}

.lab-meta {
    font-family: "SF Mono", "JetBrains Mono", "IBM Plex Mono", monospace;
    font-size: 0.68rem;
    color: var(--secondary);
    letter-spacing: 0.06em;
    line-height: 2;
}

.lab-tag {
    color: var(--cv-accent);
}

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

/* ---- Article header ---- */

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

.lab-header h1 {
    font-size: clamp(2rem, 5vw, 2.8rem);
    font-weight: 700;
    letter-spacing: -0.04em;
    line-height: 1.1;
    margin: 0;
    color: var(--primary);
}

.dark .lab-header h1 {
    background: linear-gradient(100deg, #dde2ec 30%, #6a80b0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ---- Article body headings ---- */

.lab-content.post-content h2 {
    display: flex;
    align-items: baseline;
    gap: 0.75rem;
    margin-top: 2.5rem;
    margin-bottom: 0.85rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border);
    color: var(--primary);
    font-size: 1.25rem;
    font-weight: 650;
    letter-spacing: -0.02em;
}

.lab-content.post-content h3 {
    position: relative;
    margin-top: 1.6rem;
    margin-bottom: 0.4rem;
    padding-left: 1rem;
    color: var(--primary);
    font-size: 1.05rem;
    letter-spacing: -0.01em;
}

.lab-content.post-content h3::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.2rem;
    bottom: 0.2rem;
    width: 2px;
    border-radius: 999px;
    background: linear-gradient(180deg, var(--cv-accent), transparent);
}

/* ---- Mobile ---- */

@media (max-width: 768px) {
    .lab-page {
        grid-template-columns: 1fr;
        gap: 0;
        padding: 1.5rem 1rem 3rem;
    }

    .lab-sidebar {
        position: static;
        max-height: none;
        display: none;
    }

    .lab-mobile-meta {
        display: flex;
        gap: 0.75rem;
        font-family: "SF Mono", "JetBrains Mono", "IBM Plex Mono", monospace;
        font-size: 0.7rem;
        color: var(--secondary);
        letter-spacing: 0.06em;
        margin-bottom: 0.75rem;
    }

    .lab-mobile-meta .lab-tag {
        color: var(--cv-accent);
    }
}

@media (min-width: 769px) {
    .lab-mobile-meta {
        display: none;
    }
}