:root {
  --base-color: #F0F0F0;
  --contrast-color: #1B1B1B;
  --text-secondary: rgba(0, 0, 0, 0.6);
  --border-color: rgba(0, 0, 0, 0.1);
  --accent: #b93d0b;
  --accent-end: #be185d;
  --gradient: linear-gradient(135deg, var(--accent), var(--accent-end));
  --gradient-flat: linear-gradient(90deg, var(--accent), var(--accent-end));
  --tint: linear-gradient(135deg, rgba(185, 61, 11, 0.08), rgba(190, 24, 93, 0.08));
  --link-tint: linear-gradient(90deg, rgba(185, 61, 11, 0.14), rgba(190, 24, 93, 0.14));
  --glow: rgba(190, 24, 93, 0.16);
  --shadow: rgba(0, 0, 0, 0.08);
  --code-bg: rgba(0, 0, 0, 0.035);
  --code-keyword: #9c3d00;
  --code-type: #1f5673;
  --code-value: #3c6e1f;
  --code-comment: #656565;
  --mono: 'Geist Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --text-small: 0.9rem;
  --text-title: 1.4rem;
  --radius: 20px;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --base-color: #1B1B1B;
  --contrast-color: #F0F0F0;
  --text-secondary: rgba(255, 255, 255, 0.6);
  --border-color: rgba(255, 255, 255, 0.1);
  --accent: #fb923c;
  --accent-end: #f472b6;
  --tint: linear-gradient(135deg, rgba(251, 146, 60, 0.08), rgba(244, 114, 182, 0.08));
  --link-tint: linear-gradient(90deg, rgba(251, 146, 60, 0.22), rgba(244, 114, 182, 0.22));
  --glow: rgba(244, 114, 182, 0.28);
  --shadow: rgba(0, 0, 0, 0.4);
  --code-bg: rgba(255, 255, 255, 0.045);
  --code-keyword: #ffb27a;
  --code-type: #8ec7e0;
  --code-value: #b5d99c;
  --code-comment: #9a9a9a;
}

@font-face {
  font-display: block;
  font-family: 'Inter';
  font-style: normal;
  font-weight: 100 900;
  src: url('../font/inter.woff2') format('woff2');
}

@font-face {
  font-display: block;
  font-family: 'Geist Mono';
  font-style: normal;
  font-weight: 100 900;
  src: url('../font/geist-mono.woff2') format('woff2');
}

body {
  max-width: 940px;
  margin: 0 auto;
  padding: 0 1.5rem;
  background-color: var(--base-color);
  color: var(--contrast-color);
  font-family: 'Inter', sans-serif;
  font-size: 1.2rem;
  line-height: 1.4;
}

h1, h2, h3, h4 {
  margin: 0;
  font-weight: 800;
  letter-spacing: -0.03em;
}

h1 {
  font-size: 4rem;
  line-height: 1.05;
}

h2 {
  font-size: 2.4rem;
}

h3 {
  font-size: var(--text-title);
}

h4 {
  font-size: 1.15rem;
  font-weight: 700;
}

p {
  margin: 0;
}

p + p {
  margin-top: 0.25em;
}

main h1,
.post-body h2::before {
  background: var(--gradient-flat);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

main h1 {
  width: fit-content;
  margin-bottom: 1rem;
  padding-bottom: 0.12em;
}

.section + .section {
  padding-top: 4rem;
}

.section > h2::after {
  content: '';
  display: block;
  width: 2.5rem;
  height: 4px;
  margin-top: 0.4rem;
  border-radius: 2px;
  background: var(--gradient);
}

.section > h2 + p {
  margin-top: 1rem;
}

.section-center {
  text-align: center;
}

.section-center > h1,
.section-center > h2::after,
.section-center > p {
  margin-inline: auto;
}

.posts .entry:first-of-type,
.post-toc,
.contact {
  border-radius: var(--radius);
  background: var(--tint);
}

body > header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.header-logo {
  display: flex;
}

.icon-sprite {
  display: none;
}

.logo-svg {
  height: 42px;
}

.logo-path {
  fill: var(--contrast-color);
}

.header-right,
nav ul {
  display: flex;
  align-items: center;
}

nav ul {
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: var(--text-small);
}

nav li {
  margin-right: 20px;
}

nav li:last-child {
  margin-right: 0;
}

.main-nav ul {
  gap: 0.5rem;
}

.main-nav a {
  padding: 0.25rem;
  color: var(--contrast-color);
  letter-spacing: 0.03em;
}

.utils-nav {
  margin-left: 2rem;
}

.utils-nav ul {
  gap: 0.25rem;
}

.toggle-btn {
  display: flex;
  padding: 0.5rem;
  border: none;
  background: none;
  color: var(--contrast-color);
  cursor: pointer;
  transition: transform 0.2s ease;
}

.toggle-btn:hover {
  transform: scale(1.1);
}

.toggle-btn svg {
  width: 20px;
  height: 20px;
}

[class^="link-"],
.post-body a {
  color: inherit;
  text-decoration: none;
  background-repeat: no-repeat;
  background-position: 0 100%;
  transition: background-size 200ms cubic-bezier(.5, 0, .5, 1);
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}

.link-default,
.post-body a {
  background-image: var(--gradient-flat), var(--link-tint);
  background-size: 100% 2px, 100% 0;
}

.link-default:hover,
.post-body a:hover {
  background-size: 100% 2px, 100% 100%;
}

.link-hidden,
#table-of-contents a {
  background-image: var(--link-tint);
  background-size: 0 100%;
}

.link-hidden:hover,
#table-of-contents a:hover {
  background-size: 100% 100%;
}

footer {
  padding: 4rem 0 20px;
  text-align: center;
}

.social-wrapper {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
}

.line {
  flex-grow: 1;
  height: 1px;
  border: none;
  background: var(--contrast-color);
}

.social-links {
  display: flex;
  gap: 20px;
  padding: 0 15px;
}

.social-icon {
  width: 24px;
  height: 24px;
  vertical-align: middle;
  transition: transform 0.2s ease;
}

.social-icon:hover {
  transform: scale(1.1);
}

.footer-nav ul {
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
}

.footer-nav a {
  padding: 0.25rem;
}

.hero {
  display: grid;
  grid-template-columns: 1fr 23rem;
  column-gap: 3rem;
  align-items: center;
}

.hero > * {
  grid-column: 1;
}

.hero > .hero-terminal {
  grid-column: 2;
  grid-row: 1 / span 3;
}

.hero-terminal {
  overflow: hidden;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  background: var(--base-color);
  box-shadow: 0 24px 60px var(--shadow);
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  height: 2.4rem;
  padding: 0 1rem;
  border-bottom: 1px solid var(--border-color);
  background: var(--tint);
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.terminal-bar i {
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  background: var(--gradient);
  opacity: 0.85;
}

.terminal-bar span {
  margin: 0 auto;
  padding-right: 2.4rem;
}

.hero-terminal pre {
  margin: 0;
  padding: 1.1rem 1.3rem 1.3rem;
  font-family: var(--mono);
  font-size: var(--text-small);
  line-height: 1.5;
  white-space: pre-wrap;
}

.terminal-prompt {
  color: var(--accent);
}

.terminal-cursor {
  display: inline-block;
  width: 0.55em;
  height: 1.05em;
  vertical-align: -0.15em;
  background: var(--contrast-color);
  animation: terminal-blink 1s steps(1) infinite;
}

@keyframes terminal-blink {
  50% {
    opacity: 0;
  }
}

.entry-list {
  display: flex;
  flex-direction: column;
  padding-top: 0.8rem;
}

.entry,
.cv-item {
  padding: 0.9rem 0;
}

.entry {
  border-bottom: 1px solid var(--border-color);
}

.entry:last-of-type {
  border-bottom: none;
}

.entry-meta {
  display: block;
  font-family: var(--mono);
  font-size: var(--text-small);
  color: var(--text-secondary);
}

.entry .entry-meta,
.cv-item .entry-meta {
  color: var(--accent);
}

.entry h2,
.cv-item h3 {
  font-size: 1.25rem;
}

.entry p,
.cv-item p,
.project p {
  margin-top: 0.2rem;
  font-size: var(--text-small);
  color: var(--text-secondary);
}

.entry h2 a::after {
  content: ' →';
  display: inline-block;
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.entry:hover h2 a::after {
  opacity: 1;
  transform: none;
}

.posts .entry {
  display: grid;
  grid-template-columns: 8rem 1fr;
  column-gap: 1.2rem;
  align-items: baseline;
}

.posts .entry > * {
  grid-column: 2;
}

.posts .entry > .entry-meta {
  grid-column: 1;
  grid-row: 1 / span 2;
}

.posts .entry:first-of-type {
  position: relative;
  display: block;
  margin-bottom: 0.8rem;
  padding: 1.5rem 1.6rem;
  border: none;
}

.posts .entry:first-of-type h2 {
  margin-top: 0.3rem;
  font-size: 2rem;
}

.posts .entry:first-of-type p:not(.entry-meta) {
  font-size: 1rem;
}

.entry[data-badge]::after {
  content: attr(data-badge);
  position: absolute;
  top: 1.5rem;
  right: 1.6rem;
  padding: 0.2rem 0.7rem;
  border-radius: 999px;
  background: var(--gradient-flat);
  color: var(--base-color);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.section-more {
  padding-top: 0.9rem;
  font-size: var(--text-small);
}

.career .entry-list {
  position: relative;
  padding-left: 2.2rem;
}

.career .entry-list::before {
  content: '';
  position: absolute;
  top: 1.2rem;
  bottom: 1.6rem;
  left: 0.5rem;
  width: 3px;
  border-radius: 3px;
  background: linear-gradient(var(--accent), var(--accent-end));
}

.cv-item {
  position: relative;
  display: grid;
  grid-template-columns: 8rem 1fr;
  gap: 1.2rem;
}

.cv-item .cv-place {
  margin-top: 0.1rem;
  font-size: 0.95rem;
  font-weight: 600;
}

.cv-item .cv-place + p {
  margin-top: 0.4rem;
}

.cv-item::before {
  content: '';
  position: absolute;
  top: 1.25rem;
  left: calc(-1.7rem - 7.5px);
  width: 12px;
  height: 12px;
  border: 3px solid var(--accent);
  border-radius: 50%;
  background: var(--base-color);
}

.cv-item:first-of-type::before {
  background: var(--gradient);
  box-shadow: 0 0 0 6px var(--glow);
}

.cv-item .entry-meta {
  padding-top: 0.35rem;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.2rem;
  padding-top: 1.4rem;
}

.project {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1rem;
  padding: 1.1rem;
  border: 2px solid transparent;
  border-radius: var(--radius);
  background:
    linear-gradient(var(--base-color), var(--base-color)) padding-box,
    var(--gradient) border-box;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.project:hover {
  transform: translateY(-4px) rotate(-1deg);
  box-shadow: 0 14px 34px var(--glow);
}

.project:nth-child(even):hover {
  transform: translateY(-4px) rotate(1deg);
}

.project-icon {
  width: 3rem;
  height: 3rem;
  transition: transform 0.25s ease;
}

.project:hover .project-icon {
  transform: scale(1.08) rotate(4deg);
}

.project:nth-child(even):hover .project-icon {
  transform: scale(1.08) rotate(-4deg);
}

.project-icon-dark,
:root[data-theme="dark"] .project-icon.has-dark {
  display: none;
}

:root[data-theme="dark"] .project-icon-dark {
  display: block;
}

.project .entry-meta {
  margin-top: 0.35rem;
}

.gradient-defs {
  position: absolute;
  width: 0;
  height: 0;
}

.gradient-defs stop:first-child {
  stop-color: var(--accent);
}

.gradient-defs stop:last-child {
  stop-color: var(--accent-end);
}

.tool-marquee {
  overflow: hidden;
  margin-top: 1.6rem;
  padding: 0.4rem 0;
  cursor: grab;
  touch-action: pan-y;
  user-select: none;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.tool-marquee.dragging {
  cursor: grabbing;
}

.tool-track,
.tool-set {
  display: flex;
  width: max-content;
}

.tool {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  width: 7.5rem;
  padding: 1rem 0.4rem 0.8rem;
  border-radius: 16px;
  color: var(--text-secondary);
  font-size: 0.8rem;
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.tool svg {
  width: 2.4rem;
  height: 2.4rem;
  fill: currentColor;
  opacity: 0.75;
}

.tool:hover {
  background: var(--tint);
  transform: translateY(-3px);
}

.tool:hover svg {
  fill: url(#icon-gradient);
  opacity: 1;
}

.section.contact {
  margin-top: 4rem;
  padding: 3rem 1.5rem;
}

.button {
  display: inline-block;
  margin-top: 1.6rem;
  padding: 0.8rem 1.6rem;
  border: none;
  border-radius: 999px;
  background: var(--gradient);
  color: var(--base-color);
  font: inherit;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px var(--glow);
}

.button:disabled {
  opacity: 0.6;
  pointer-events: none;
}

.contact-toggle[hidden] {
  display: none;
}

.contact.open .contact-toggle {
  background: none;
  box-shadow: inset 0 0 0 2px var(--accent);
  color: var(--accent);
}

.contact-panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.4s ease;
}

.contact.open .contact-panel {
  grid-template-rows: 1fr;
}

.contact-panel > div {
  min-height: 0;
  overflow: hidden;
}

.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  padding-top: 2rem;
  text-align: left;
}

.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  min-width: 0;
}

.contact-form span {
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}

.contact-form input,
.contact-form textarea {
  padding: 0.8rem 1rem;
  border: 2px solid transparent;
  border-radius: 14px;
  outline: none;
  background:
    linear-gradient(var(--base-color), var(--base-color)) padding-box,
    linear-gradient(var(--border-color), var(--border-color)) border-box;
  color: inherit;
  font: inherit;
  font-size: 1rem;
}

.contact-form input:focus,
.contact-form textarea:focus {
  background:
    linear-gradient(var(--base-color), var(--base-color)) padding-box,
    var(--gradient) border-box;
}

.contact-form textarea {
  min-height: 9rem;
  resize: vertical;
}

.contact-wide {
  grid-column: 1 / -1;
}

.contact-actions {
  text-align: center;
}

.contact-form .contact-trap {
  position: absolute;
  left: -9999px;
}

.contact-form .button {
  margin-top: 0.4rem;
}

.contact-hint {
  margin-top: 1rem;
  font-size: var(--text-small);
  color: var(--text-secondary);
}

.contact-status {
  margin-top: 0.8rem;
  font-size: var(--text-small);
}

.contact-status:empty {
  margin: 0;
}

.contact-status.error {
  color: var(--accent);
}

.error-page {
  padding: 3rem 0;
}

.error-page h1 {
  font-size: 7rem;
}

.error-page p {
  margin-top: 1rem;
}

.inner-section {
  padding-top: 0.8rem;
}

.section h3 + p {
  margin-top: 0.3rem;
}

.section p + h3 {
  margin-top: 1rem;
}

.read-progress {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--gradient-flat);
  transform: scaleX(0);
  transform-origin: left;
}

.post-meta {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--accent);
}

.post-body {
  counter-reset: chapter;
  padding-top: 1.6rem;
}

.post-body > * + * {
  margin-top: 1em;
}

.post-body > p:first-child {
  font-size: 1.3rem;
}

.post-body h2 {
  counter-increment: chapter;
  counter-reset: section;
  padding-top: 2.4rem;
  font-size: 1.9rem;
  line-height: 1.2;
}

.post-body h2::before {
  content: counter(chapter, decimal-leading-zero);
  display: block;
  width: fit-content;
  margin-bottom: 0.4rem;
  font-family: var(--mono);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0;
}

.post-body h3 {
  counter-increment: section;
  padding-top: 1.8rem;
}

.post-body h3::before {
  content: counter(chapter, decimal-leading-zero) "." counter(section);
  margin-right: 0.6rem;
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0;
  color: var(--accent);
}

.post-body h4 {
  padding-top: 1.4rem;
}

.post-body h2 + *,
.post-body h3 + * {
  margin-top: 0.6em;
}

.post-body h4 + * {
  margin-top: 0.4em;
}

.post-body > .post-toc + h2 {
  margin-top: 2rem;
  padding-top: 0;
}

.post-body ul,
.post-body ol {
  padding-left: 1.5rem;
}

.post-body li + li {
  margin-top: 0.35em;
}

.post-body li::marker {
  color: var(--accent);
}

.post-body li:has(> input[type="checkbox"]) {
  list-style: none;
}

.post-body input[type="checkbox"] {
  appearance: none;
  width: 1em;
  height: 1em;
  margin: 0 0.5rem 0 -1.4rem;
  vertical-align: -0.14em;
  border: 2px solid var(--accent);
  border-radius: 5px;
  background: transparent;
}

.post-body input[type="checkbox"]:checked {
  border: none;
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3.5 8.5l3 3 6-7' fill='none' stroke='%23F0F0F0' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 80% no-repeat,
    var(--gradient);
}

:root[data-theme="dark"] .post-body input[type="checkbox"]:checked {
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3.5 8.5l3 3 6-7' fill='none' stroke='%231B1B1B' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 80% no-repeat,
    var(--gradient);
}

.post-body input[type="checkbox"].blocked {
  border: none;
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M8 3.5v5.5' stroke='%23F0F0F0' stroke-width='2.4' stroke-linecap='round'/%3E%3Ccircle cx='8' cy='12.4' r='1.3' fill='%23F0F0F0'/%3E%3C/svg%3E") center / 90% no-repeat,
    var(--contrast-color);
}

:root[data-theme="dark"] .post-body input[type="checkbox"].blocked {
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M8 3.5v5.5' stroke='%231B1B1B' stroke-width='2.4' stroke-linecap='round'/%3E%3Ccircle cx='8' cy='12.4' r='1.3' fill='%231B1B1B'/%3E%3C/svg%3E") center / 90% no-repeat,
    var(--contrast-color);
}

.post-body blockquote {
  margin: 1.6em 0 0;
  padding: 1rem 1.4rem;
  border-left: 4px solid var(--accent);
  border-radius: 0 16px 16px 0;
  background: var(--tint);
}

.post-body hr {
  width: 4rem;
  height: 3px;
  margin: 2.4rem auto;
  border: none;
  border-radius: 3px;
  background: var(--gradient);
}

.post-body img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 0.6em 0 0.8em;
  border: 1px solid var(--border-color);
  border-radius: 16px;
  box-shadow: 0 12px 32px var(--shadow);
}

.post-body table {
  width: 100%;
  overflow: hidden;
  border: 1px solid var(--border-color);
  border-radius: 16px;
  border-collapse: separate;
  border-spacing: 0;
  font-size: var(--text-small);
}

.post-body thead tr {
  background: var(--gradient-flat);
}

.post-body th {
  padding: 0.75rem 1rem;
  color: var(--base-color);
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-align: left;
  text-transform: uppercase;
}

.post-body td {
  padding: 0.65rem 1rem;
  border-top: 1px solid var(--border-color);
}

.post-body td:first-child {
  font-weight: 700;
}

.post-body tbody tr:nth-child(even) {
  background: var(--code-bg);
}

.post-body tbody tr:hover {
  background: var(--tint);
}

.post-body code,
.post-body pre {
  font-family: var(--mono);
}

.post-body :not(pre) > code {
  padding: 0.1em 0.35em;
  border-radius: 6px;
  background: var(--code-bg);
  font-size: 0.85em;
  overflow-wrap: anywhere;
}

.post-body pre {
  overflow-x: auto;
  margin-bottom: 0;
  padding: 2.6rem 1.4rem 1.2rem;
  border: 1px solid var(--border-color);
  border-radius: 16px;
  background: var(--gradient-flat) top / 100% 3px no-repeat, var(--code-bg);
  font-size: var(--text-small);
  line-height: 1.5;
  scrollbar-width: thin;
  scrollbar-color: var(--accent) transparent;
}

.code-block {
  position: relative;
}

.code-block pre {
  margin: 0;
}

.code-lang,
.code-copy {
  position: absolute;
  font-weight: 600;
}

.code-lang {
  top: 0.9rem;
  left: 1.4rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}

.code-copy {
  top: 0.6rem;
  right: 0.7rem;
  padding: 0.25rem 0.7rem;
  border: 1px solid var(--border-color);
  border-radius: 999px;
  background: var(--base-color);
  color: var(--text-secondary);
  font: inherit;
  font-size: 0.75rem;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.code-block:hover .code-copy,
.code-copy:focus-visible,
.code-copy.copied {
  opacity: 1;
}

.code-copy.copied {
  color: var(--accent);
}

.post-body .hl-keyword {
  color: var(--code-keyword);
}

.post-body .hl-type,
.post-body .hl-generic {
  color: var(--code-type);
}

.post-body .hl-value,
.post-body .hl-number,
.post-body .hl-literal {
  color: var(--code-value);
}

.post-body .hl-comment {
  color: var(--code-comment);
}

.heading-anchor {
  display: none;
}

.post-toc {
  margin-top: 2rem;
  padding: 1.1rem 1.5rem;
}

.post-toc summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  list-style: none;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}

.post-toc summary::-webkit-details-marker {
  display: none;
}

.post-toc summary::after {
  content: '';
  width: 0.55rem;
  height: 0.55rem;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  transition: transform 0.2s ease;
}

.post-toc[open] summary::after {
  transform: rotate(225deg) translateY(-2px);
}

#table-of-contents {
  counter-reset: toc tocsub;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.15rem;
  padding-top: 0.9rem;
}

#table-of-contents a {
  padding: 0.15rem 0.3rem;
  border-radius: 6px;
  overflow-wrap: anywhere;
}

#table-of-contents a::before {
  display: inline-block;
  font-family: var(--mono);
  font-weight: 700;
  color: var(--accent);
}

#table-of-contents a.toc-level-h2 {
  counter-increment: toc;
  counter-reset: tocsub;
}

#table-of-contents a.toc-level-h2::before {
  content: counter(toc, decimal-leading-zero);
  width: 2.2rem;
  font-size: 0.85rem;
}

#table-of-contents a.toc-level-h3 {
  counter-increment: tocsub;
  margin-left: 2.2rem;
  font-size: var(--text-small);
}

#table-of-contents a.toc-level-h3::before {
  content: counter(toc, decimal-leading-zero) "." counter(tocsub);
  width: 2.6rem;
  font-size: 0.75rem;
}

#table-of-contents a.toc-level-h4 {
  margin-left: 4.8rem;
  font-size: var(--text-small);
  color: var(--text-secondary);
}

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

  .hero-terminal {
    display: none;
  }
}

@media (max-width: 768px) {
  .main-nav ul {
    gap: 0.1rem;
  }

  .main-nav a {
    font-size: 0.8rem;
  }

  .utils-nav {
    margin-left: 1rem;
  }
}

@media (max-width: 700px) {
  h1 {
    font-size: 2.8rem;
  }

  h2 {
    font-size: 2rem;
  }

  .project-grid,
  .cv-item,
  .contact-form {
    grid-template-columns: 1fr;
  }

  .cv-item {
    gap: 0;
  }

  .cv-item .entry-meta {
    padding-top: 0;
  }

  .posts .entry {
    display: block;
  }

  .entry[data-badge]::after {
    position: static;
    display: inline-block;
    margin-top: 0.6rem;
  }
}