:root {
  --hk-bg: color-mix(in srgb, var(--color-background, #0b0d0f) 92%, black);
  --hk-surface: color-mix(in srgb, var(--color-surface, #171b1e) 82%, black);
  --hk-surface-alt: color-mix(in srgb, var(--color-surface, #171b1e) 60%, var(--color-background, #0b0d0f));
  --hk-text: var(--color-text, #efe6d1);
  --hk-muted: color-mix(in srgb, var(--color-muted, #c7baa3) 78%, transparent);
  --hk-border: color-mix(in srgb, var(--color-border, #7f6b51) 72%, var(--color-primary, #d6c098));
  --hk-accent: color-mix(in srgb, var(--color-primary, #d6c098) 85%, white);
  --hk-accent-soft: color-mix(in srgb, var(--color-primary, #d6c098) 35%, transparent);
  --hk-glow: color-mix(in srgb, var(--color-primary, #d6c098) 12%, transparent);
  --hk-panel-border-source: url("/theme/hollow-knight/panel-frame.svg");
  --hk-panel-border-slice: 32 fill;
  --hk-panel-border-width: 24;
  --hk-panel-padding: clamp(1rem, 1.4vw, 1.5rem);
  --hk-panel-fill: linear-gradient(180deg, rgba(255, 255, 255, 0.025), rgba(0, 0, 0, 0.2));
  --hk-noise-map: url("/theme/hollow-knight/noise.svg");
  --hk-ornament: url("/theme/hollow-knight/panel-ornament.svg");
  --hk-divider: url("/theme/hollow-knight/divider.svg");
}

html {
  background: var(--hk-bg);
  color: var(--hk-text);
}

body.hk-shell {
  margin: 0;
  min-height: 100vh;
  color: var(--hk-text);
  font-family: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  background:
    radial-gradient(circle at top, rgba(255, 255, 255, 0.05), transparent 32%),
    linear-gradient(180deg, rgba(10, 10, 10, 0.2), rgba(0, 0, 0, 0.75)),
    var(--hk-bg);
}

.hk-backdrop,
.hk-noise {
  pointer-events: none;
  position: fixed;
  inset: 0;
}

.hk-backdrop {
  background:
    radial-gradient(circle at 20% 15%, rgba(255, 255, 255, 0.05), transparent 28%),
    radial-gradient(circle at 78% 22%, rgba(255, 255, 255, 0.03), transparent 22%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent 35%);
  opacity: 0.9;
}

.hk-noise {
  background: var(--hk-noise-map) center/240px 240px repeat;
  mix-blend-mode: soft-light;
  opacity: 0.35;
}

.hk-site-frame {
  position: relative;
  z-index: 1;
  max-width: 92rem;
  margin: 0 auto;
  padding: 1rem;
}

.hk-kicker,
.hk-panel-label,
.hk-meta-line,
.hk-feed-item time,
.hk-nav a {
  color: var(--hk-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hk-kicker {
  margin: 0 0 0.75rem;
  font-size: 0.75rem;
}

.hk-masthead {
  margin-bottom: 1rem;
}

.hk-masthead__bar {
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.hk-wordmark,
.hk-hero-title,
.hk-panel-title,
.hk-feed-meta h2 {
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  font-weight: 400;
  letter-spacing: 0.04em;
}

.hk-wordmark {
  color: var(--hk-text);
  text-decoration: none;
  font-size: clamp(2rem, 4vw, 3.2rem);
}

.hk-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hk-nav a {
  color: var(--hk-text);
  opacity: 0.9;
  text-decoration: none;
  position: relative;
}

.hk-nav a[aria-current="page"]::after,
.hk-nav a:hover::after,
.hk-nav a:focus-visible::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.45rem;
  height: 0.4rem;
  background: var(--hk-divider) center/contain no-repeat;
}

.hk-divider {
  margin-top: 0.75rem;
  height: 0.9rem;
  background: var(--hk-divider) center/18rem 100% no-repeat;
  opacity: 0.9;
}

.hk-layout {
  display: grid;
  gap: 1rem;
  grid-template-columns: minmax(15rem, 18rem) minmax(0, 1fr) minmax(13rem, 16rem);
  align-items: start;
}

.hk-main-column,
.hk-rail {
  display: grid;
  gap: 1rem;
}

.hk-panel {
  position: relative;
  border: calc(var(--hk-panel-border-width) * 1px) solid transparent;
  border-image-source: var(--hk-panel-border-source);
  border-image-slice: var(--hk-panel-border-slice);
  border-image-width: var(--hk-panel-border-width);
  border-image-repeat: stretch;
  background:
    var(--hk-panel-fill),
    linear-gradient(180deg, rgba(255, 248, 225, 0.04), rgba(0, 0, 0, 0.18)),
    linear-gradient(135deg, rgba(255, 255, 255, 0.02), transparent 30%),
    var(--hk-surface);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.03),
    0 18px 45px rgba(0, 0, 0, 0.45),
    inset 0 0 40px rgba(0, 0, 0, 0.25);
  padding: var(--hk-panel-padding);
  overflow: hidden;
}

.hk-panel::before,
.hk-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hk-panel::before {
  background:
    radial-gradient(circle at 12% 18%, rgba(255, 255, 255, 0.06), transparent 20%),
    radial-gradient(circle at 88% 88%, rgba(255, 255, 255, 0.04), transparent 18%),
    var(--hk-noise-map) center/200px 200px repeat;
  mix-blend-mode: soft-light;
  opacity: 0.33;
}

.hk-panel::after {
  background: var(--hk-ornament) right bottom/5rem 5rem no-repeat;
  opacity: 0.65;
}

.hk-panel-wide {
  padding-top: calc(var(--hk-panel-padding) + 0.35rem);
  padding-bottom: calc(var(--hk-panel-padding) + 0.2rem);
}

.hk-panel-compact {
  min-height: 10rem;
}

.hk-article-panel {
  min-height: 55vh;
}

.hk-feed-panel {
  min-height: 45vh;
}

.hk-panel-label {
  margin: 0 0 0.5rem;
  font-size: 0.82rem;
}

.hk-panel-title,
.hk-hero-title {
  margin: 0;
  color: var(--hk-text);
}

.hk-panel-title {
  font-size: 1.55rem;
}

.hk-hero {
  margin-bottom: 1.1rem;
}

.hk-hero-title {
  font-size: clamp(2rem, 4.6vw, 3.25rem);
  line-height: 1.04;
}

.hk-copy,
.hk-lede,
.hk-feed-copy p,
.hk-article-body,
.hk-tag-list {
  color: var(--hk-text);
  line-height: 1.7;
}

.hk-copy,
.hk-meta-line,
.hk-tag-list,
.hk-stat-list {
  font-size: 0.95rem;
}

.hk-lede {
  max-width: 55ch;
  color: color-mix(in srgb, var(--hk-text) 85%, var(--hk-muted));
}

.hk-meta-line {
  margin: 0 0 0.75rem;
}

.hk-tag-list,
.hk-stat-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.hk-tag-list li {
  padding-left: 1rem;
  position: relative;
}

.hk-tag-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68rem;
  width: 0.45rem;
  height: 1px;
  background: var(--hk-accent);
}

.hk-stat-list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid color-mix(in srgb, var(--hk-border) 50%, transparent);
  padding-bottom: 0.45rem;
}

.hk-stat-list strong {
  color: var(--hk-accent);
  font-weight: 500;
  text-transform: uppercase;
}

.hk-thumb-stack {
  display: grid;
  gap: 0.75rem;
}

.hk-thumb {
  min-height: 6.5rem;
  border: 18px solid transparent;
  border-image: var(--hk-panel-border-source) 32 fill / 18px stretch;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.04), transparent 35%),
    radial-gradient(circle at top, rgba(255, 255, 255, 0.04), transparent 55%),
    var(--hk-surface-alt);
  box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.35);
}

.hk-feed-list {
  display: grid;
  gap: 0.9rem;
}

.hk-feed-item {
  display: grid;
  grid-template-columns: 7.5rem minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
  padding-top: 0.75rem;
  border-top: 1px solid color-mix(in srgb, var(--hk-border) 55%, transparent);
}

.hk-feed-meta {
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
}

.hk-feed-meta h2 {
  font-size: clamp(1.1rem, 2.2vw, 1.45rem);
  margin: 0;
}

.hk-feed-meta a,
.hk-article-body a {
  color: var(--hk-accent);
  text-decoration-color: color-mix(in srgb, var(--hk-accent) 45%, transparent);
}

.hk-article-body {
  display: grid;
  gap: 1rem;
}

.hk-article-body > :first-child {
  margin-top: 0;
}

.hk-article-body blockquote,
.hk-article-body pre {
  margin: 1.5rem 0;
  padding: 1rem 1.25rem;
  background: color-mix(in srgb, var(--hk-surface-alt) 78%, black);
  border: 1px solid color-mix(in srgb, var(--hk-border) 55%, transparent);
  box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.25);
}

.hk-article-body h2,
.hk-article-body h3,
.hk-article-body h4 {
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  font-weight: 400;
  letter-spacing: 0.03em;
  color: var(--hk-text);
}

@media (max-width: 980px) {
  .hk-layout {
    grid-template-columns: 1fr;
  }

  .hk-rail-right {
    order: 3;
  }

  .hk-feed-item {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .hk-site-frame {
    padding: 0.75rem;
  }

  .hk-nav {
    gap: 0.75rem;
  }

  .hk-panel {
    border-image-width: 20;
    border-width: 20px;
  }

  .hk-thumb {
    border-width: 16px;
  }
}