* {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
}

:root {
  --background: #fafafa;
  --background-alternative: #eef2f6;
  --foreground: #1a1a2e;
  --foreground-alternative: #6b7280;
  --foreground-light: #cbd5e1;

  --footer-background: #111118;
  --footer-foreground: #94a3b8;

  --focus: #f3b623;
  --accent: #f3b623;
  --accent-secondary: #ff8c00;
  --accent-gradient: linear-gradient(135deg, #ff8c00 0%, #f3b623 100%);
  --positive: #10b981;
  --negative: #ef4444;

  --shadow: rgba(15, 23, 42, 0.08);
  --shadow-hover: rgba(15, 23, 42, 0.16);
  --box-background: #ffffff;

  --scrollbar: #94a3b8;

  --radius: 16px;
  --radius-sm: 8px;
}

body[data-theme="dark"] {
  --background: #0b0b12;
  --background-alternative: #14141f;
  --foreground: #f8fafc;
  --foreground-alternative: #94a3b8;
  --foreground-light: #334155;

  --footer-background: #050508;
  --footer-foreground: #64748b;

  --focus: #f3b623;
  --accent: #f3b623;
  --accent-secondary: #ff8c00;
  --accent-gradient: linear-gradient(135deg, #ff8c00 0%, #f3b623 100%);
  --positive: #34d399;
  --negative: #f87171;

  --shadow: rgba(0, 0, 0, 0.35);
  --shadow-hover: rgba(0, 0, 0, 0.55);

  --box-background: #161622;

  --mode-filter: invert(96%);

  --scrollbar: #475569;
}

html {
  scroll-behavior: smooth;
}

html,
body {
  height: 100%;
  margin: 0;
  padding: 0;
  text-size-adjust: 100%;
}

body {
  font-size: 18px;
  line-height: 1.7;
  color: var(--foreground);
  background: var(--background);
  overflow-x: hidden;
}

#network-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.header,
.content,
footer,
.app {
  position: relative;
  z-index: 1;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 200ms ease, text-decoration 200ms ease;
}

a:hover {
  text-decoration: underline;
  color: var(--accent-secondary);
}

::selection {
  background: var(--accent);
  color: #ffffff;
}

body[data-theme="dark"] ::selection {
  background: var(--accent);
  color: #0b0b12;
}

.brainbox-logo {
  width: 90px;
  height: 90px;
  background-size: cover;
  background-position: center;
  background-image: url('/asset?u=https%3A%2F%2Fbrainbox.no%2Fassets%2Ffavicon.webp');
  border-radius: var(--radius-sm);
}

body[data-theme="dark"] .brainbox-logo {
  background-image: url('/asset?u=https%3A%2F%2Fbrainbox.no%2Fassets%2Fbrainbox-logo-light.webp');
}

.polytalk-logo {
  width: 90px;
  height: 90px;
  border-radius: var(--radius-sm);
}

footer a {
  color: var(--foreground);
}

.content,
.header,
footer {
  padding-left: 3em;
  padding-right: 3em;
  padding-top: 1.5em;
  padding-bottom: 1.5em;
  max-width: 960px;
  margin-left: auto;
  margin-right: auto;
}

.content img {
  width: 100%;
}

.header {
  padding-bottom: 0;
  padding-top: 1.5em;
}

.logo {
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.8rem, 7vw, 4.5rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin: 0 0 0.3em;
  font-weight: 800;
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2rem);
  line-height: 1.3;
  letter-spacing: -0.02em;
  font-weight: 700;
}

h3 {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
}

.hero {
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  margin-bottom: 2rem;
}

.hero h1 {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.highlight {
  padding-left: 0;
  padding-bottom: 0;
  margin-top: 0;
  margin-bottom: 1.5rem;
  color: var(--foreground-alternative);
  font-weight: 500;
  max-width: 760px;
}

.hero-tagline {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--foreground);
  min-height: 2rem;
  margin: 0 0 2rem;
}

.hero-tagline::after {
  content: "|";
  animation: blink 1s step-end infinite;
  margin-left: 0.15em;
  color: var(--accent);
}

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

.hero-cta {
  display: inline-flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  border-radius: 999px;
  font-weight: 600;
  transition: transform 200ms ease, box-shadow 200ms ease;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #1a1a2e;
  box-shadow: 0 4px 14px rgba(243, 182, 35, 0.35);
}

.btn-primary:hover {
  color: #1a1a2e;
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(243, 182, 35, 0.45);
}

.btn-secondary {
  background: var(--box-background);
  color: var(--foreground);
  border: 1px solid var(--foreground-light);
}

.btn-secondary:hover {
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 4px 14px var(--shadow);
}

hr {
  width: 100%;
  height: 1px;
  margin-left: auto;
  margin-right: auto;
  background-color: var(--foreground-light);
  border: 0 none;
  opacity: 0.5;
}

.logo a {
  text-decoration: none;
  color: var(--foreground);
}

.logo a:hover {
  text-decoration: underline;
}

.logo-icon {
  height: 26px;
  float: left;
  margin-right: 0.5em;
  border-radius: 4px;
}

.print-icon {
  height: 128px;
  float: left;
  margin-right: 0.4em;
}

.logo-footer a {
  text-decoration: none;
  color: var(--foreground);
}

.logo-footer a:hover {
  text-decoration: underline;
}

.logo-footer-icon {
  height: 23px;
  float: left;
  margin-right: 0.4em;
}

.seperator {
  margin-left: 0.4em;
  margin-right: 0.4em;
  color: var(--footer-foreground);
}

.footer-icon {
  height: 52px;
  margin-right: 0.4em;
}

.social-links a {
  margin-right: 0.5em;
  font-size: 1.2rem;
  width: 2.2rem;
  height: 2.2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background 200ms ease, color 200ms ease, transform 200ms ease;
}

.social-links a:hover {
  background: var(--box-background);
  color: var(--accent);
  text-decoration: none;
  transform: translateY(-2px);
}

.footer a {
  text-decoration: underline;
}

.footer a:hover {
  color: var(--accent);
  text-decoration: none;
}

.page-link {
}

.post {
  text-decoration: none;
  color: var(--foreground);
  margin-bottom: 2em;
  background: var(--box-background);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: 0 4px 20px var(--shadow);
  transition: transform 350ms ease, box-shadow 350ms ease;
}

.post h3 {
  transition: color 150ms;
  margin-top: 0;
}

.post:hover h3 {
  color: var(--accent);
  transition: color 300ms;
  text-decoration: underline;
}

.post:hover {
  text-decoration: none;
  transform: translateY(-4px);
  box-shadow: 0 12px 32px var(--shadow-hover);
}

.post {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
}

.thumbnail-right {
  float: right;
  max-width: 256px;
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 16px 0 var(--shadow);
  background-color: var(--box-background);
  transition: box-shadow 350ms, transform 350ms;
  margin-left: 1.5em;
  margin-bottom: 1em;
}

.thumbnail-right:hover {
  box-shadow: 0 16px 24px 0 var(--shadow-hover);
  transform: scale(1.02);
}

.archive {
  text-decoration: none;
  color: var(--foreground);
  margin-bottom: 2em;
}

.archive h3 {
  transition: color 150ms;
}

.archive:hover h3 {
  color: var(--accent);
  transition: color 300ms;
  text-decoration: underline;
}

.archive:hover {
  text-decoration: none;
}

.image {
  width: 100%;
  box-shadow: 0 8px 16px 0 var(--shadow);
  background-color: var(--box-background);
  transition: box-shadow 350ms;
  border-radius: var(--radius-sm);
}

.thumbnail img {
  width: 100%;
  box-shadow: 0 8px 16px 0 var(--shadow);
  background-color: var(--box-background);
  transition: transform 350ms ease, box-shadow 350ms ease;
  border-radius: var(--radius-sm);
}

.thumbnail img:hover {
  box-shadow: 0 16px 24px 0 var(--shadow-hover);
  transform: scale(1.02);
}

.date,
.attribution {
  color: var(--foreground-alternative);
  margin: 0;
  font-size: 0.9rem;
}

.app {
  position: absolute;
  top: 1.5em;
  right: 1.5em;
  z-index: 10;
}

.toggle-content {
  display: flex;
  flex-direction: column;
  margin: auto;
  text-align: center;
}

.circle {
  position: relative;
  border-radius: 100%;
  width: 3.5rem;
  height: 3.5rem;
  background: linear-gradient(40deg, #ff0080, #ff8c00 70%);
  margin: auto;
  box-shadow: 0 4px 14px rgba(255, 140, 0, 0.35);
  transition: box-shadow 200ms ease;
}

.circle:hover {
  box-shadow: 0 6px 20px rgba(255, 140, 0, 0.5);
}

.crescent {
  position: absolute;
  border-radius: 100%;
  right: 0;
  width: 2.5rem;
  height: 2.5rem;
  background: var(--background);
  transform: scale(0);
  transform-origin: top right;
  transition: transform 0.6s cubic-bezier(0.645, 0.045, 0.355, 1);
}

label {
  cursor: pointer;
}

.toggle[type="checkbox"] {
  display: none;
}

.toggle[type="checkbox"]:checked + .app .dark {
  opacity: 1;
}

.toggle[type="checkbox"]:checked + .app .light {
  opacity: 0.5;
}

.toggle[type="checkbox"]:checked + .app .body {
  background-color: var(--background);
  color: var(--foreground);
}

.toggle[type="checkbox"]:checked + .app .crescent {
  transform: scale(1);
  background: var(--background);
}

.toggle[type="checkbox"]:checked + .app .circle {
  background: linear-gradient(40deg, #ff0080, #ff8c00 70%);
}

.footer {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: 1fr;
  gap: 2em;
}

.footer-bottom {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr;
  gap: 1em;
}

.footer h4 {
  font-size: 1.1em;
  margin-bottom: 0.75rem;
}

.self-end {
  justify-self: right;
}

.self-center {
  place-self: center;
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--scrollbar);
  border-radius: 4px;
}

.margin {
  margin-left: 2em;
}

.box {
  display: flex;
  align-items: center;
  margin-left: 2em;
  background: var(--box-background);
  padding: 1rem;
  border-radius: var(--radius);
  box-shadow: 0 4px 20px var(--shadow);
  transition: transform 350ms ease, box-shadow 350ms ease;
  margin-bottom: 1rem;
}

.box:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px var(--shadow-hover);
}

.box > div {
  margin: 0;
}

.box > div:first-child {
  flex: 0 0 100px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.box > div:last-child {
  flex: 1;
  padding-left: 1rem;
}

.box i {
  font-size: 3.5rem;
}

.footer-box {
  display: flex;
  align-items: center;
}

.footer-box > div {
  margin: 0;
}

.footer-box > div:first-child {
  flex: 0 0 26px;
  margin-right: 1em;
}

.footer-box > div:last-child {
  flex: 1;
}

.tech {
  padding-left: 2em;
  font-size: 1.1em;
  color: var(--accent);
  font-weight: 700;
  line-height: 1.8;
}

.footer-link {
  text-align: center;
  padding: 2em;
  color: var(--foreground-alternative);
  font-size: 0.9rem;
}

.footer-link a {
  color: var(--foreground-alternative);
}

@page {
  size: A4;
  margin: 0;
}

.print {
  display: none;
}

@media only screen and (max-width: 860px) {
  .post {
    gap: 1.5em;
    grid-template-columns: 1fr 1fr;
  }

  .thumbnail-right {
    max-width: 128px;
  }

  .footer {
    grid-template-columns: 1fr 1fr;
  }
}

@media only screen and (max-width: 600px) {
  body {
    font-size: 15px;
  }

  .app {
    transform: scale(0.75);
    top: 0.75em;
    right: 0.75em;
  }

  .content,
  .header,
  footer {
    padding: 1.5em;
  }

  .header {
    padding-bottom: 0;
  }

  footer {
    padding: 1.5em;
  }

  .post .abstract {
    place-self: start;
  }

  .post {
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: auto auto;
    gap: 0.8em;
    margin-bottom: 1.5em;
    margin-top: 1.5em;
  }

  h1 {
    font-size: 2.4rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  .post h3 {
    margin-top: 0;
    padding-top: 0;
  }

  .seperator {
    margin-left: 0.2em;
    margin-right: 0.2em;
  }

  .box {
    margin-left: 0;
    flex-direction: column;
    text-align: center;
  }

  .box > div:first-child {
    flex: 0 0 auto;
  }

  .box > div:last-child {
    padding-left: 0;
  }

  .margin {
    margin-left: 0;
  }

  .thumbnail-right {
    float: none;
    display: block;
    margin: 0 auto 1.5rem;
    max-width: 100%;
  }

  .footer {
    grid-template-columns: 1fr;
    gap: 1.5em;
  }

  .footer-bottom {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .self-end {
    justify-self: center;
  }
}

@media print {
  .no-print {
    display: none;
  }

  .print {
    display: block;
  }

  h3 {
    margin-top: 3em;
  }

  footer {
    margin-top: 2em;
  }
}