:root {
    color-scheme: dark;
    --glitch-level: 4;
    --panel: rgba(26, 20, 13, 0.84);
    --panel-strong: rgba(20, 15, 10, 0.94);
    --line: rgba(244, 171, 76, 0.42);
    --line-strong: rgba(244, 171, 76, 0.8);
    --text: #f4c27a;
    --text-soft: #bf863b;
    --text-dim: #92662d;
    --accent: #ffd38c;
    --glow: rgba(244, 171, 76, 0.14);
    --shell-width: 72rem;
    --gutter: clamp(1rem, 2vw, 1.5rem);
    --radius: 16px;
    --glitch-shift-1: calc(var(--glitch-level) * 2px);
    --glitch-shift-2: calc(var(--glitch-level) * 3px);
    --glitch-skew-1: calc(var(--glitch-level) * 6deg);
    --glitch-skew-2: calc(var(--glitch-level) * 8deg);
    --glitch-blur-1: calc(var(--glitch-level) * 0.22px);
    --glitch-blur-2: calc(var(--glitch-level) * 0.3px);
    --glitch-opacity-1: calc(0.3 + (var(--glitch-level) * 0.12));
    --glitch-opacity-2: calc(0.28 + (var(--glitch-level) * 0.13));
    --glitch-duration: 1s;
}

html[data-theme="light"] {
    color-scheme: light;
    --panel: rgba(247, 238, 219, 0.92);
    --panel-strong: rgba(255, 250, 239, 0.96);
    --line: rgba(150, 102, 38, 0.28);
    --line-strong: rgba(150, 102, 38, 0.62);
    --text: #4e3414;
    --text-soft: #75522a;
    --text-dim: #9a7241;
    --accent: #7d4f14;
    --glow: rgba(181, 118, 32, 0.12);
}

* {
    box-sizing: border-box;
}

html,
body {
    min-height: 100%;
    margin: 0;
}

body {
    position: relative;
    font-family: "IBM Plex Mono", monospace;
    background:
        radial-gradient(circle at top, rgba(191, 134, 59, 0.18), transparent 42%),
        linear-gradient(180deg, #130d08 0%, #0d0906 100%);
    color: var(--text);
    line-height: 1.7;
    letter-spacing: 0.01em;
}

html[data-theme="light"] body {
    background:
        radial-gradient(circle at top, rgba(214, 157, 77, 0.16), transparent 38%),
        linear-gradient(180deg, #f6eddc 0%, #efe4d1 100%);
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background:
        repeating-linear-gradient(
            to bottom,
            rgba(255, 211, 140, 0.05) 0,
            rgba(255, 211, 140, 0.05) 1px,
            transparent 1px,
            transparent 4px
        );
    opacity: 0.28;
    mix-blend-mode: screen;
}

body::after {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    box-shadow: inset 0 0 140px rgba(0, 0, 0, 0.75);
}

html[data-theme="light"] body::before {
    opacity: 0.16;
}

html[data-theme="light"] body::after {
    box-shadow: inset 0 0 110px rgba(132, 95, 49, 0.22);
}

a {
    color: var(--text-soft);
    text-decoration: none;
    transition: color 140ms ease, background-color 140ms ease, border-color 140ms ease, box-shadow 140ms ease, transform 180ms ease;
}

a:hover {
    color: var(--accent);
}

.shell {
    width: min(var(--shell-width), calc(100vw - 2rem));
    margin: 0 auto;
}

.site-header {
    padding: 0.75rem 0 0.65rem;
}

.header-panel,
.content-wrapper,
.site-footer {
    position: relative;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: 0 0 0 1px rgba(244, 171, 76, 0.08), 0 0 28px var(--glow);
    backdrop-filter: blur(2px);
}

.header-panel {
    padding: 1rem var(--gutter);
}

.header-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(18rem, 1fr);
    gap: 1.5rem;
    align-items: start;
}

.header-copy {
    min-width: 0;
}

.header-panel::before,
.content-wrapper::before,
.site-footer::before {
    content: "";
    position: absolute;
    left: 1rem;
    right: 1rem;
    top: 0.75rem;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--line-strong), transparent);
    opacity: 0.7;
}

.site-title {
    margin: 0;
    font-size: clamp(1.6rem, 3.8vw, 2.5rem);
    line-height: 1.1;
    text-shadow: 0 0 12px rgba(244, 171, 76, 0.18);
}

.site-title-link {
    color: var(--accent);
}

.site-title-link:hover {
    color: var(--accent);
}

.site-subtitle {
    position: relative;
    display: inline-block;
    margin: 0.45rem 0 0;
    max-width: 52rem;
    color: var(--text-soft);
    line-height: 1.55;
    cursor: help;
    user-select: none;
    -webkit-user-select: none;
}

.glitch-text {
    --glitch-level: 3;
}

.glitch-base,
.glitch-layer {
    display: block;
}

.glitch-layer {
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0;
}

.glitch-layer-a {
    color: rgba(255, 211, 140, 0.65);
    text-shadow: -3px 0 rgba(255, 211, 140, 0.38);
}

.glitch-layer-b {
    color: rgba(146, 102, 45, 0.8);
    text-shadow: 3px 0 rgba(146, 102, 45, 0.36);
}

html[data-theme="light"] .glitch-layer-a {
    color: rgba(125, 79, 20, 0.55);
    text-shadow: -1px 0 rgba(125, 79, 20, 0.18);
}

html[data-theme="light"] .glitch-layer-b {
    color: rgba(154, 114, 65, 0.75);
    text-shadow: 1px 0 rgba(154, 114, 65, 0.2);
}

@media (prefers-reduced-motion: reduce) {
    .glitch-layer {
        display: none;
    }
}

.site-nav {
    align-self: center;
}

.nav-panel {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.55rem;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    padding: 0.55rem 0.8rem;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(244, 171, 76, 0.04);
    color: var(--text);
    cursor: pointer;
}

.nav-link::before {
    content: "> ";
    color: var(--text-dim);
}

.nav-link:hover,
.nav-link:focus-visible,
.nav-link.is-active {
    outline: none;
    border-color: var(--line-strong);
    background: rgba(255, 211, 140, 0.1);
    box-shadow: 0 0 18px rgba(244, 171, 76, 0.12);
}

.content-wrapper {
    display: grid;
    grid-template-columns: minmax(0, 2.2fr) minmax(16rem, 0.9fr);
    gap: 1rem;
    min-height: calc(100vh - 21rem);
    margin-bottom: 1rem;
    padding: 1rem;
}

.main-content,
.sidebar {
    background: var(--panel-strong);
    border: 1px solid rgba(244, 171, 76, 0.22);
    border-radius: calc(var(--radius) - 4px);
    padding: 1.25rem;
    min-width: 0;
}

.main-content h1,
.main-content h2,
.main-content h3,
.main-content h4 {
    color: var(--accent);
}

.main-content > h2:first-child,
.sidebar > *:first-child {
    margin-top: 0;
}

.prose {
    overflow-wrap: anywhere;
}

.prose p,
.prose li,
.prose blockquote {
    color: var(--text);
}

.prose ul {
    padding-left: 1.2rem;
}

.prose blockquote {
    margin: 1.2rem 0;
    padding: 0.9rem 1rem;
    border-left: 3px solid var(--line-strong);
    background: rgba(255, 211, 140, 0.04);
}

.section-block {
    margin-top: 2rem;
    padding-top: 1.2rem;
    border-top: 1px solid rgba(244, 171, 76, 0.16);
}

.section-heading {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.section-heading-tight {
    margin-top: 1.2rem;
}

.section-kicker {
    margin: 0;
    color: var(--text-dim);
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.sidebar {
    align-self: start;
    position: sticky;
    top: 1rem;
}

.sidebar-title {
    margin: 0 0 1rem;
    color: var(--accent);
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.date {
    margin: 0 0 1rem;
    font-size: 1.05rem;
    color: var(--accent);
}

.gps-info {
    border-top: 1px solid var(--line);
    padding-top: 1rem;
}

.clock-grid {
    display: grid;
    gap: 0.7rem;
    margin-top: 0.9rem;
}

.clock-grid-double {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.clock-card {
    display: grid;
    gap: 0.2rem;
    padding: 0.7rem 0.8rem;
    border: 1px solid rgba(244, 171, 76, 0.16);
    border-radius: 10px;
    background: rgba(255, 211, 140, 0.04);
    justify-items: center;
    text-align: center;
}

.clock-label {
    color: var(--text-dim);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.clock-value {
    color: var(--accent);
    font-size: 1.08rem;
    letter-spacing: 0.08em;
    text-shadow: 0 0 10px rgba(244, 171, 76, 0.1);
}

.clock-note {
    margin: 0.75rem 0 0;
    color: var(--text-dim);
    font-size: 0.76rem;
    line-height: 1.55;
}

.sidebar-section {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--line);
}

.sidebar-item {
    display: grid;
    grid-template-columns: 2.25rem minmax(0, 1fr);
    gap: 0.6rem;
    align-items: start;
    margin: 0.8rem 0;
}

.sidebar-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 1.8rem;
    padding: 0.15rem 0.4rem;
    border: 1px solid rgba(244, 171, 76, 0.22);
    border-radius: 999px;
    background: rgba(255, 211, 140, 0.05);
    color: var(--accent);
    font-size: 0.82rem;
    line-height: 1;
    box-shadow: 0 0 12px rgba(244, 171, 76, 0.08);
}

.sidebar-label {
    display: block;
    margin-bottom: 0.1rem;
    color: var(--text-dim);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.gps-info p,
.status-line,
.post-meta {
    margin: 0.35rem 0;
    color: var(--text-soft);
}

.inline-link {
    color: var(--accent);
}

.read-more-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: var(--accent);
}

.read-more-link::after {
    content: "->";
    color: var(--text-dim);
}

.post-list {
    display: grid;
    gap: 1rem;
}

.term-list,
.archive-list {
    display: grid;
    gap: 1rem;
}

.post-card {
    padding: 1rem;
    border: 1px solid rgba(244, 171, 76, 0.16);
    border-radius: 12px;
    background: rgba(255, 211, 140, 0.03);
}

.post-card-header {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.term-card,
.archive-item {
    padding: 1rem;
    border: 1px solid rgba(244, 171, 76, 0.16);
    border-radius: 12px;
    background: rgba(255, 211, 140, 0.03);
}

.post-card h3,
.post-card h4 {
    margin: 0.25rem 0 0.5rem;
}

.post-title {
    margin: 0.25rem 0 0.5rem;
}

.post-summary {
    margin: 0.2rem 0 0;
    color: var(--text);
}

.post-link-row {
    margin: 0.9rem 0 0;
}

.term-card h3,
.archive-item h4 {
    margin: 0.25rem 0 0.5rem;
}

.tag-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 0.8rem 0 1.2rem;
}

.tag-chip {
    padding: 0.2rem 0.55rem;
    border: 1px solid var(--line);
    border-radius: 999px;
    color: var(--text-soft);
    font-size: 0.9rem;
}

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

.archive-year {
    margin-top: 1.8rem;
}

.archive-year h3 {
    margin-bottom: 0.9rem;
    color: var(--accent);
}

.archive-list {
    gap: 0.6rem;
}

.archive-item {
    display: grid;
    grid-template-columns: 8rem minmax(0, 1fr);
    gap: 1rem;
    align-items: start;
    padding: 0.8rem 1rem;
    background: rgba(255, 211, 140, 0.02);
}

.archive-date {
    margin: 0.15rem 0 0;
    color: var(--text-dim);
}

.archive-main h4 {
    margin: 0;
}

.archive-tags {
    margin: 0.35rem 0 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.archive-tag {
    color: var(--text-soft);
    font-size: 0.9rem;
}

.archive-tag::before {
    content: "#";
    color: var(--text-dim);
}

.site-footer {
    margin-bottom: 1.5rem;
    padding: 1rem var(--gutter);
}

.footer-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0.9rem;
    align-items: center;
}

.footer-tools {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
    justify-content: flex-end;
}


.footer-note {
    color: var(--text-dim);
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.theme-switcher {
    display: inline-flex;
    gap: 0.45rem;
    align-items: center;
}

.theme-toggle {
    appearance: none;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(255, 211, 140, 0.05);
    color: var(--text-soft);
    padding: 0.38rem 0.72rem;
    font: inherit;
    font-size: 0.82rem;
    cursor: pointer;
    transition: color 140ms ease, background-color 140ms ease, border-color 140ms ease, box-shadow 140ms ease;
}

.theme-toggle:hover,
.theme-toggle:focus-visible,
.theme-toggle.is-active {
    outline: none;
    color: var(--accent);
    border-color: var(--line-strong);
    background: rgba(255, 211, 140, 0.1);
    box-shadow: 0 0 18px rgba(244, 171, 76, 0.12);
}

.publication-list {
    margin-top: 1.4rem;
}

.publication {
    display: grid;
    grid-template-columns: 5rem minmax(0, 1fr);
    gap: 1rem;
    padding: 1rem 0;
    border-top: 1px solid rgba(244, 171, 76, 0.14);
}

.publication:first-of-type {
    border-top: 0;
    padding-top: 0.4rem;
}

.publication-year {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--accent);
}

.publication-title {
    color: var(--text);
    font-weight: 700;
}

.publication-authors {
    display: block;
    margin-top: 0.4rem;
    color: var(--text-soft);
    font-style: italic;
}

.publication-details,
.publication-isbn {
    margin-top: 0.4rem;
    color: var(--text-dim);
}

@media (max-width: 900px) {
    .header-layout {
        grid-template-columns: 1fr;
    }

    .site-nav {
        align-self: start;
    }

    .nav-panel {
        justify-content: flex-start;
    }

    .content-wrapper {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: static;
    }
}

@media (max-width: 640px) {
    .shell {
        width: min(var(--shell-width), calc(100vw - 1rem));
    }

    .site-header {
        padding-top: 0.7rem;
    }

    .content-wrapper {
        padding: 0.75rem;
    }

    .main-content,
    .sidebar {
        padding: 1rem;
    }

    .publication {
        grid-template-columns: 1fr;
        gap: 0.4rem;
    }

    .archive-item {
        grid-template-columns: 1fr;
        gap: 0.35rem;
    }

    .clock-grid-double {
        grid-template-columns: 1fr;
    }

    .footer-tools {
        justify-content: flex-start;
    }
}