@import url('https://fonts.googleapis.com/css2?family=Gabarito:wght@400..900&family=Headland+One&family=Martian+Mono:wght@100..800&family=Philosopher:ital,wght@0,400;0,700;1,400;1,700&family=Rhodium+Libre&family=Shippori+Antique&display=swap');

[theme="light"] {
  --primary-color: white;
  --primary-color-2: rgb(255, 255, 255);
  --background-color: rgb(255, 255, 255);
  --secondary-color: black;
  --secondary-color-2: rgb(86, 156, 214);
  --button-background: rgb(86, 156, 214);
  --button-border: rgb(86, 156, 214) 0.1rem solid;
  --container-border: rgb(163, 163, 163);
  --hamburger-icon-color: black;
  --navbar-background: rgba(255, 255, 255, 1);
  --navbar-background-shrink: rgba(255, 255, 255, 0.95);
  --code-bg: rgb(242, 242, 242);
  --code-border: rgb(210, 210, 210);
  --qr-bg: rgb(247, 247, 247);
  --muted-text: rgb(90, 90, 90);
}

:root {
  --primary-color: black;
  --primary-color-2: rgb(0, 0, 0);
  --background-color: rgb(0, 0, 0);
  --secondary-color: white;
  --secondary-color-2: rgb(86, 156, 214);
  --button-background: rgb(86, 156, 214);
  --button-border: rgb(86, 156, 214) 0.1rem solid;
  --container-border: rgb(92, 92, 92);
  --hamburger-icon-color: white;
  --navbar-background: rgba(0, 0, 0, 0.3);
  --navbar-background-shrink: rgba(0, 0, 0, 0.92);
  --code-bg: rgb(14, 14, 14);
  --code-border: rgb(55, 55, 55);
  --qr-bg: rgb(12, 12, 12);
  --muted-text: rgb(160, 160, 160);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Gabarito", serif;
  font-weight: 500;
  font-style: normal;
  background-color: var(--background-color);
  color: var(--secondary-color);
}

html {
  scroll-behavior: smooth;
  font-size: clamp(15px, calc(0.21vw + 14px), 22px);
}

a {
  transition: all 300ms ease;
}

a:hover {
  text-decoration: underline;
  text-underline-offset: 0.4rem;
  text-decoration-color: var(--secondary-color-2);
}

/* ─── NAV ─────────────────────────────────────────────────────────────────── */

nav,
.nav-links,
.hamburger-menu {
  max-width: 100%;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 1000;
  transition: all 0.3s ease;
  background-color: var(--navbar-background);
  box-sizing: border-box;
  overflow: visible;
}

[theme="dark"] nav {
  background-color: var(--navbar-background);
}

nav.shrink {
  padding: 0.5rem 2rem;
  background-color: var(--navbar-background-shrink);
}

nav .logo {
  font-size: 2rem;
  color: var(--secondary-color);
  font-family: "Gabarito", serif;
  text-decoration: none;
}

nav.shrink .logo {
  font-size: 1.5rem;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
  font-size: 1.2rem;
  align-items: center;
}

.nav-links a {
  color: var(--secondary-color);
  font-family: "Rhodium Libre", serif;
  text-decoration: none;
}

nav a:hover {
  color: var(--secondary-color-2);
}

.logo {
  font-size: 2rem;
  color: var(--secondary-color);
}

.icon {
  cursor: pointer;
  height: 2rem;
}

/* ─── HAMBURGER ───────────────────────────────────────────────────────────── */

#hamburger-nav {
  display: none;
}

.hamburger-menu {
  position: relative;
  display: inline-block;
}

.hamburger-icon {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 40px;
  width: 30px;
  cursor: pointer;
  position: relative;
}

.hamburger-icon span {
  width: 100%;
  height: 2px;
  background-color: var(--hamburger-icon-color);
  transition: all 0.3s ease-in-out;
  position: relative;
}

.hamburger-icon.open span:first-child {
  transform: rotate(45deg) translate(6px, 6px);
  transform-origin: left center;
}

.hamburger-icon.open span:nth-child(2) {
  opacity: 0;
}

.hamburger-icon.open span:last-child {
  transform: rotate(-45deg) translate(6px, -6px);
  transform-origin: left center;
}

.menu-links {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 100%;
  right: 0;
  background-color: var(--primary-color);
  width: 200px;
  height: 0;
  overflow: hidden;
  visibility: hidden;
  transition: height 0.3s ease-in-out, visibility 0s 0.3s;
  border: 1px solid rgba(200, 200, 200, 0.3);
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(200, 200, 200, 0.2);
  text-align: center;
}

.menu-links.open {
  height: auto;
  visibility: visible;
  padding-top: 10px;
}

.menu-links a {
  display: block;
  padding: 10px;
  text-align: center;
  font-size: 1.25rem;
  color: var(--secondary-color);
  text-decoration: none;
  transition: all 0.3s ease-in-out;
  font-family: "Rhodium Libre", serif;
}

.menu-links li {
  list-style: none;
  box-shadow: 0 2px 0 0 rgba(200, 200, 200, 0.3);
}

.menu-links li:last-child {
  box-shadow: none;
}

/* ─── SCROLL TO TOP ───────────────────────────────────────────────────────── */

.scroll-btn {
  display: none;
  position: fixed;
  bottom: 20px;
  right: 20px;
  background-color: transparent;
  border: none;
  padding: 10px;
  cursor: pointer;
  z-index: 9999;
  transition: transform 0.3s ease;
}

.scroll-btn.show {
  display: block;
}

.scroll-btn:hover {
  transform: scale(1.5);
}

.scroll-btn img {
  width: 30px;
  height: 30px;
  transition: opacity 0.3s ease;
}

.scroll-btn:hover img {
  opacity: 0.8;
}

/* ─── BLOG INDEX ──────────────────────────────────────────────────────────── */

.domain-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.8rem;
}

.filter-btn {
  font-family: "Martian Mono", monospace;
  font-size: 0.75rem;
  color: var(--muted-text);
  background: none;
  border: 1px solid var(--container-border);
  border-radius: 3px;
  padding: 0.3rem 0.7rem;
  cursor: pointer;
  letter-spacing: 0.04em;
  transition: all 0.2s ease;
}

.filter-btn:hover {
  color: var(--secondary-color-2);
  border-color: var(--secondary-color-2);
}

.filter-btn.active {
  color: var(--secondary-color-2);
  border-color: var(--secondary-color-2);
  background: rgba(86, 156, 214, 0.1);
}

.blog-hero {
  padding: 6rem 2rem 3rem;
  text-align: center;
}

.blog-hero .title {
  color: var(--secondary-color);
  font-size: 4rem;
  font-family: "Headland One", serif;
}

.blog-hero .subtitle {
  margin-top: 1rem;
  font-size: 1.1rem;
  font-family: "Rhodium Libre", serif;
  color: var(--muted-text);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

.post-list {
  max-width: 860px;
  margin: 0 auto;
  padding: 2rem 2rem 6rem;
}

.post-list-header {
  display: grid;
  grid-template-columns: 120px 1fr max-content;
  gap: 1rem;
  padding: 0 1rem 0.75rem;
  border-bottom: 1px solid var(--container-border);
  font-family: "Martian Mono", monospace;
  font-size: 0.75rem;
  color: var(--muted-text);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.post-entry {
  display: grid;
  grid-template-columns: 120px 1fr max-content;
  gap: 1rem;
  align-items: baseline;
  padding: 1.1rem 1rem;
  border-bottom: 1px solid rgba(128, 128, 128, 0.2);
  transition: background 0.2s ease;
  border-radius: 0.4rem;
}

.post-entry:hover {
  background: rgba(86, 156, 214, 0.07);
}

.domain-tag {
  display: inline-block;
  font-family: "Martian Mono", monospace;
  font-size: 0.72rem;
  color: var(--secondary-color-2);
  border: 1px solid var(--secondary-color-2);
  border-radius: 3px;
  padding: 0.15rem 0.45rem;
  letter-spacing: 0.04em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s ease;
}

.domain-tag:hover {
  background: rgba(86, 156, 214, 0.15);
  text-decoration: none;
}

.domain-tag-link {
  cursor: pointer;
}

.post-entry-title {
  font-family: "Rhodium Libre", serif;
  font-size: 1.1rem;
  color: var(--secondary-color);
  line-height: 1.4;
  text-decoration: none;
  min-width: 0;          /* allows grid child to shrink below content size */
  overflow-wrap: break-word;
}

.post-entry-title:hover {
  color: var(--secondary-color-2);
  text-decoration: underline;
  text-underline-offset: 0.4rem;
}

.post-entry-date {
  font-family: "Martian Mono", monospace;
  font-size: 0.78rem;
  color: var(--muted-text);
  text-align: left;
  white-space: nowrap;
}

.post-list-empty {
  padding: 4rem 1rem;
  text-align: center;
  font-family: "Martian Mono", monospace;
  font-size: 0.9rem;
  color: var(--muted-text);
}

/* ─── INDIVIDUAL POST ─────────────────────────────────────────────────────── */

.post-page {
  max-width: 760px;
  margin: 0 auto;
  padding: 3rem 2rem 8rem;
}

.post-back {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: "Martian Mono", monospace;
  font-size: 0.8rem;
  color: var(--muted-text);
  text-decoration: none;
  margin-bottom: 2.5rem;
  transition: color 0.2s ease;
}

.post-back:hover {
  color: var(--secondary-color-2);
  text-decoration: none;
}

.post-header {
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--container-border);
}

.post-header .domain-tag {
  margin-bottom: 1rem;
}

.post-title {
  font-family: "Headland One", serif;
  font-size: 2.4rem;
  color: var(--secondary-color);
  line-height: 1.2;
  margin: 0.75rem 0;
}

.post-date {
  display: block;
  font-family: "Martian Mono", monospace;
  font-size: 0.78rem;
  color: var(--muted-text);
  margin-top: 0.5rem;
}

.post-section {
  margin-bottom: 3.5rem;
}

.post-section-label {
  font-family: "Martian Mono", monospace;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--secondary-color-2);
  margin-bottom: 1.2rem;
}

.post-section h2 {
  font-family: "Headland One", serif;
  font-size: 1.6rem;
  color: var(--secondary-color);
  margin-bottom: 1.2rem;
  margin-top: 2rem;
}

.post-section h3 {
  font-family: "Rhodium Libre", serif;
  font-size: 1.15rem;
  color: var(--secondary-color);
  margin-bottom: 0.8rem;
  margin-top: 1.8rem;
}

.post-section p {
  font-family: "Rhodium Libre", serif;
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--secondary-color);
  margin-bottom: 1.2rem;
}

.post-section ul,
.post-section ol {
  font-family: "Rhodium Libre", serif;
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--secondary-color);
  padding-left: 1.5rem;
  margin-bottom: 1.2rem;
}

.post-section li {
  margin-bottom: 0.4rem;
}

/* inline code */
.post-section code {
  font-family: "Martian Mono", monospace;
  font-size: 0.85em;
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  border-radius: 3px;
  padding: 0.1em 0.35em;
}

/* code blocks */
.post-section pre {
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  border-radius: 0.5rem;
  padding: 1.4rem 1.6rem;
  overflow-x: auto;
  margin: 1.5rem 0;
  position: relative;
}

.post-section pre code {
  font-family: "Martian Mono", monospace;
  font-size: 0.82rem;
  line-height: 1.65;
  background: none;
  border: none;
  padding: 0;
  color: var(--secondary-color);
}

.code-label {
  display: block;
  font-family: "Martian Mono", monospace;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted-text);
  margin-bottom: 0.4rem;
}

/* benchmark output block */
pre.benchmark {
  border-left: 3px solid var(--secondary-color-2);
}

/* quick reference section */
.quick-ref-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 1rem;
}

.qr-block {
  background: var(--qr-bg);
  border: 1px solid var(--container-border);
  border-radius: 0.75rem;
  padding: 1.4rem 1.6rem;
}

.qr-block-title {
  font-family: "Martian Mono", monospace;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--secondary-color-2);
  margin-bottom: 0.9rem;
}

.qr-block p {
  font-family: "Rhodium Libre", serif;
  font-size: 0.98rem;
  line-height: 1.75;
  color: var(--secondary-color);
  margin-bottom: 0;
}

/* links section */
.post-links-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.post-links-list a {
  font-family: "Rhodium Libre", serif;
  font-size: 1rem;
  color: var(--secondary-color-2);
  text-decoration: none;
}

.post-links-list a:hover {
  text-decoration: underline;
  text-underline-offset: 0.4rem;
}

/* ─── IMAGES IN POSTS ────────────────────────────────────────────────────── */

.post-section img,
.post-body-content img {
  max-width: 100%;
  height: auto;
  border-radius: 0.5rem;
  border: 1px solid var(--container-border);
  margin: 1.5rem 0;
  display: block;
}

.img-caption {
  font-family: "Martian Mono", monospace;
  font-size: 0.72rem;
  color: var(--muted-text);
  text-align: center;
  margin-top: -1rem;
  margin-bottom: 1.5rem;
}

/* ─── ROUGE SYNTAX HIGHLIGHTING ───────────────────────────────────────────── */

/* dark mode (default) */
.highlight { background: var(--code-bg); border-radius: 0.5rem; }
.highlight pre { margin: 0; padding: 1.4rem 1.6rem; overflow-x: auto; }
.highlight code { font-family: "Martian Mono", monospace; font-size: 0.82rem; line-height: 1.65; }

/* tokens — dark */
.highlight .c,  .highlight .c1, .highlight .cm  { color: #6a737d; }   /* comments */
.highlight .k,  .highlight .kd, .highlight .kn,
.highlight .kr, .highlight .kp                   { color: #f97583; }   /* keywords */
.highlight .kt                                   { color: #79b8ff; }   /* types */
.highlight .nc, .highlight .nn                   { color: #b392f0; }   /* class / namespace */
.highlight .nf, .highlight .na                   { color: #b392f0; }   /* function names */
.highlight .s,  .highlight .s1, .highlight .s2,
.highlight .sb, .highlight .sc, .highlight .sd,
.highlight .se, .highlight .sh, .highlight .si,
.highlight .sr, .highlight .ss, .highlight .sx   { color: #9ecbff; }   /* strings */
.highlight .mi, .highlight .mf, .highlight .mo,
.highlight .il, .highlight .m                    { color: #79b8ff; }   /* numbers */
.highlight .o,  .highlight .ow                   { color: #f97583; }   /* operators */
.highlight .p                                    { color: #e1e4e8; }   /* punctuation */
.highlight .n,  .highlight .nb, .highlight .no,
.highlight .nv, .highlight .ni                   { color: #e1e4e8; }   /* identifiers */
.highlight .cp                                   { color: #f97583; }   /* preprocessor */
.highlight .err                                  { color: #f97583; }

/* tokens — light mode overrides */
[theme="light"] .highlight .c,
[theme="light"] .highlight .c1,
[theme="light"] .highlight .cm  { color: #6a737d; }
[theme="light"] .highlight .k,
[theme="light"] .highlight .kd,
[theme="light"] .highlight .kn,
[theme="light"] .highlight .kr,
[theme="light"] .highlight .kp  { color: #d73a49; }
[theme="light"] .highlight .kt  { color: #005cc5; }
[theme="light"] .highlight .nc,
[theme="light"] .highlight .nn  { color: #6f42c1; }
[theme="light"] .highlight .nf,
[theme="light"] .highlight .na  { color: #6f42c1; }
[theme="light"] .highlight .s,  [theme="light"] .highlight .s1,
[theme="light"] .highlight .s2, [theme="light"] .highlight .sb,
[theme="light"] .highlight .sc, [theme="light"] .highlight .sd,
[theme="light"] .highlight .se, [theme="light"] .highlight .sh,
[theme="light"] .highlight .si, [theme="light"] .highlight .sr,
[theme="light"] .highlight .ss, [theme="light"] .highlight .sx { color: #032f62; }
[theme="light"] .highlight .mi,
[theme="light"] .highlight .mf,
[theme="light"] .highlight .mo,
[theme="light"] .highlight .m   { color: #005cc5; }
[theme="light"] .highlight .o,
[theme="light"] .highlight .ow  { color: #d73a49; }
[theme="light"] .highlight .p   { color: #24292e; }
[theme="light"] .highlight .n,  [theme="light"] .highlight .nb,
[theme="light"] .highlight .no, [theme="light"] .highlight .nv,
[theme="light"] .highlight .ni  { color: #24292e; }
[theme="light"] .highlight .cp  { color: #d73a49; }

/* wrapper block around .highlight that Jekyll adds via kramdown */
.post-body-content div.highlight {
  border: 1px solid var(--code-border);
  border-radius: 0.5rem;
  margin: 1.5rem 0;
  overflow: hidden;
}

/* benchmark / output blocks: left accent line */
.post-body-content div.highlight.language-text,
.post-body-content div.highlight.language-plaintext {
  border-left: 3px solid var(--secondary-color-2);
}

/* ─── RESPONSIVE ──────────────────────────────────────────────────────────── */

@media screen and (max-width: 1200px) {
  #desktop-nav {
    display: none;
  }
  #hamburger-nav {
    display: flex;
  }
}

@media screen and (max-width: 680px) {
  .blog-hero .title {
    font-size: 2.8rem;
  }

  .post-list-header {
    grid-template-columns: 90px 1fr;
  }

  .post-list-header .col-date {
    display: none;
  }

  .post-entry {
    grid-template-columns: 90px 1fr;
  }

  .post-entry-date {
    display: none;
  }

  .quick-ref-grid {
    grid-template-columns: 1fr;
  }

  .post-title {
    font-size: 1.8rem;
  }
}

@media screen and (max-width: 599px) {
  .logo {
    font-size: 1.5rem;
  }

  /* Strip hamburger-menu as the containing block so the dropdown
     anchors to the nav element and spans full viewport width */
  .hamburger-menu {
    position: static;
  }
  .menu-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    width: 100%;
    border-radius: 0 0 8px 8px;
  }

  .hamburger-icon {
    height: 30px;
    width: 25px;
  }
  .hamburger-icon span {
    height: 3px;
    background-color: var(--hamburger-icon-color);
  }
  .menu-links a {
    padding: 12px;
    font-size: 1.1rem;
  }
  .scroll-btn {
    bottom: 10px;
    right: 10px;
  }
  .scroll-btn img {
    width: 30px;
    height: 30px;
  }
}