:root {
  color-scheme: light;
  --bg: #ffffff;
  --bg-soft: #f8f9fc;
  --surface: #ffffff;
  --surface-soft: #f6f7fb;
  --surface-hover: #f1f3f8;
  --text: #18213d;
  --text-strong: #10172a;
  --muted: #626b7d;
  --border: #e1e4eb;
  --border-strong: #d3d7e0;
  --accent: #635bff;
  --accent-hover: #5147e5;
  --accent-purple: #7536ff;
  --accent-blue: #2878f5;
  --accent-green: #22cfa0;
  --code-bg: #f5f6fa;
  --nav-bg: rgba(255, 255, 255, 0.82);
  --shadow-sm:
    0 1px 2px rgba(16, 24, 40, 0.04), 0 2px 8px rgba(16, 24, 40, 0.04);
  --shadow-md: 0 10px 30px rgba(16, 24, 40, 0.07);
  --max-width: 1040px;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0b1020;
  --bg-soft: #0f1528;
  --surface: #11182a;
  --surface-soft: #151d31;
  --surface-hover: #1a2338;
  --text: #d9dde8;
  --text-strong: #f7f8fb;
  --muted: #9098aa;
  --border: #252e43;
  --border-strong: #323c54;
  --accent: #8a80ff;
  --accent-hover: #a199ff;
  --accent-purple: #8c52ff;
  --accent-blue: #3a8cff;
  --accent-green: #2bd7a7;
  --code-bg: #11182a;
  --nav-bg: rgba(11, 16, 32, 0.82);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.18), 0 4px 12px rgba(0, 0, 0, 0.12);
  --shadow-md: 0 16px 40px rgba(0, 0, 0, 0.18);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  min-height: 100vh;
  min-height: 100dvh;
  margin: 0;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(
      circle at 10% 0%,
      color-mix(in srgb, var(--accent-purple) 7%, transparent),
      transparent 28rem
    ),
    radial-gradient(
      circle at 90% 15%,
      color-mix(in srgb, var(--accent-blue) 5%, transparent),
      transparent 28rem
    ),
    var(--bg);
  color: var(--text);
  font-family:
    Inter,
    ui-sans-serif,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  font-size: 16px;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition:
    color 160ms ease,
    opacity 160ms ease;
}

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

::selection {
  background: color-mix(in srgb, var(--accent) 28%, transparent);
}

.site-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid color-mix(in srgb, var(--border) 78%, transparent);
  background: var(--nav-bg);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.site-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(calc(100% - 2rem), var(--max-width));
  min-height: 4rem;
  margin-inline: auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text-strong);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.brand:hover {
  color: var(--text-strong);
  text-decoration: none;
}

.brand-logo {
  display: block;
  width: 1.8rem;
  height: 1.8rem;
  object-fit: contain;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.site-nav nav {
  display: flex;
  align-items: center;
  gap: 1.3rem;
}

.site-nav nav a {
  color: var(--muted);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
}

.site-nav nav a:hover {
  color: var(--text-strong);
}

.theme-toggle {
  position: relative;
  display: inline-grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 0.65rem;
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition:
    color 160ms ease,
    background 160ms ease,
    border-color 160ms ease,
    transform 160ms ease;
}

.theme-toggle:hover {
  border-color: var(--border-strong);
  background: var(--surface-hover);
  color: var(--text-strong);
  transform: translateY(-1px);
}

.theme-toggle:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 25%, transparent);
  outline-offset: 2px;
}

.theme-icon {
  position: absolute;
  width: 1.05rem;
  height: 1.05rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition:
    opacity 160ms ease,
    transform 180ms ease;
}

:root[data-theme="light"] .theme-icon--sun {
  opacity: 0;
  transform: rotate(45deg) scale(0.7);
}

:root[data-theme="light"] .theme-icon--moon {
  opacity: 1;
  transform: rotate(0) scale(1);
}

:root[data-theme="dark"] .theme-icon--sun {
  opacity: 1;
  transform: rotate(0) scale(1);
}

:root[data-theme="dark"] .theme-icon--moon {
  opacity: 0;
  transform: rotate(-35deg) scale(0.7);
}

.page {
  flex: 1;
  width: min(calc(100% - 2rem), var(--max-width));
  margin-inline: auto;
  padding-block: clamp(2.5rem, 6vw, 4.5rem) 5.5rem;
}

.markdown-body > div:first-child {
  position: relative;
  margin-block-end: 3.5rem;
  padding: clamp(2.75rem, 7vw, 5rem) clamp(1.25rem, 5vw, 3.25rem);
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 1.4rem;
  background:
    radial-gradient(
      circle at 15% 20%,
      color-mix(in srgb, var(--accent-purple) 11%, transparent),
      transparent 17rem
    ),
    radial-gradient(
      circle at 85% 80%,
      color-mix(in srgb, var(--accent-green) 7%, transparent),
      transparent 18rem
    ),
    var(--surface);
  box-shadow: var(--shadow-md);
}

.markdown-body > div:first-child::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(
    120deg,
    transparent 0%,
    color-mix(in srgb, var(--accent-blue) 3%, transparent) 50%,
    transparent 100%
  );
}

.markdown-body > div:first-child > * {
  position: relative;
  z-index: 1;
}

.markdown-body > div:first-child h1 {
  margin-bottom: 0.85rem;
  background: linear-gradient(
    120deg,
    var(--text-strong) 15%,
    var(--accent-purple) 52%,
    var(--accent-blue) 72%,
    var(--accent-green) 105%
  );
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.markdown-body > div:first-child p {
  max-width: 760px;
  margin-inline: auto;
}

.markdown-body > div:first-child strong {
  color: var(--text);
}

.markdown-body {
  color: var(--text);
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3 {
  color: var(--text-strong);
  line-height: 1.2;
  scroll-margin-top: 5.5rem;
}

.markdown-body h1 {
  margin-block: 0 0.75rem;
  font-size: clamp(2.6rem, 7vw, 4.6rem);
  font-weight: 800;
  letter-spacing: -0.055em;
}

.markdown-body h2 {
  margin-block: 4rem 1.4rem;
  padding-block-end: 0.7rem;
  border-bottom: 1px solid var(--border);
  font-size: clamp(1.55rem, 4vw, 2.05rem);
  font-weight: 720;
  letter-spacing: -0.035em;
}

.markdown-body h3 {
  margin-block: 2.4rem 0.8rem;
  font-size: 1.25rem;
  font-weight: 680;
  letter-spacing: -0.018em;
}

.markdown-body p {
  margin-block: 0 1.3rem;
}

.markdown-body > p,
.markdown-body > ul,
.markdown-body > ol {
  max-width: 830px;
}

.markdown-body strong {
  color: var(--text-strong);
}

.markdown-body ul,
.markdown-body ol {
  padding-inline-start: 1.4rem;
}

.markdown-body li {
  margin-block: 0.42rem;
}

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

.markdown-body blockquote {
  margin: 2rem 0;
  padding: 1.1rem 1.3rem;
  border: 1px solid var(--border);
  border-inline-start: 3px solid var(--accent);
  border-radius: 0.7rem;
  background:
    linear-gradient(
      90deg,
      color-mix(in srgb, var(--accent) 5%, transparent),
      transparent
    ),
    var(--surface-soft);
  color: var(--muted);
}

.markdown-body blockquote p:last-child {
  margin-bottom: 0;
}

.markdown-body table {
  display: table;
  width: 100%;
  margin-block: 1.75rem 2.25rem;
  overflow: hidden;
  border: 1px solid var(--border);
  border-spacing: 0;
  border-collapse: separate;
  border-radius: 0.9rem;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.markdown-body th,
.markdown-body td {
  padding: 0.9rem 1rem;
  border: 0;
  border-bottom: 1px solid var(--border);
  text-align: start;
  vertical-align: top;
}

.markdown-body th + th,
.markdown-body td + td {
  border-inline-start: 1px solid var(--border);
}

.markdown-body tr:last-child td {
  border-bottom: 0;
}

.markdown-body th {
  background: var(--surface-soft);
  color: var(--text-strong);
  font-size: 0.86rem;
  font-weight: 650;
}

.markdown-body tbody tr {
  transition: background 140ms ease;
}

.markdown-body tbody tr:hover {
  background: var(--surface-hover);
}

.markdown-body code {
  padding: 0.15rem 0.4rem;
  border: 1px solid var(--border);
  border-radius: 0.35rem;
  background: var(--code-bg);
  color: var(--text-strong);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.875em;
}

.markdown-body pre {
  margin-block: 1.6rem;
  padding: 1.2rem;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 0.8rem;
  background: var(--code-bg);
  box-shadow: var(--shadow-sm);
}

.markdown-body pre code {
  padding: 0;
  border: 0;
  background: transparent;
  font-size: 0.855rem;
  line-height: 1.65;
}

.markdown-body img {
  max-width: 100%;
  height: auto;
}

.markdown-body div[align="center"] img {
  display: inline-block;
  width: auto;
  margin: 0.18rem 0.1rem;
}

.markdown-body hr {
  margin-block: 3.5rem;
  border: 0;
  border-top: 1px solid var(--border);
}

.site-footer {
  flex-shrink: 0;
  border-top: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface-soft) 62%, transparent);
}

.site-footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: min(calc(100% - 2rem), var(--max-width));
  min-height: 5.5rem;
  margin-inline: auto;
  color: var(--muted);
  font-size: 0.84rem;
}

.site-footer__meta {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.site-footer__quote {
  text-align: left;
}

.site-footer a {
  font-weight: 550;
}

.footer-dot {
  color: var(--border-strong);
}

@media (max-width: 640px) {
  .site-footer__inner {
    flex-direction: column;
    justify-content: center;
    padding-block: 1.25rem;
    text-align: center;
  }

  .site-footer__quote {
    text-align: center;
  }
}

@media (prefers-reduced-motion: no-preference) {
  body,
  .site-nav,
  .theme-toggle,
  .markdown-body table,
  .markdown-body blockquote,
  .markdown-body pre {
    transition:
      background-color 180ms ease,
      color 180ms ease,
      border-color 180ms ease;
  }
}

@media (max-width: 720px) {
  .site-nav__inner {
    min-height: 3.75rem;
  }

  .nav-actions {
    gap: 0.75rem;
  }

  .site-nav nav {
    gap: 0.85rem;
  }

  .site-nav nav a:first-child {
    display: none;
  }

  .page {
    width: min(calc(100% - 1.25rem), var(--max-width));
    padding-block: 1.75rem 4rem;
  }

  .markdown-body > div:first-child {
    padding: 2.75rem 1rem;
    border-radius: 1rem;
  }

  .markdown-body h1 {
    font-size: clamp(2.25rem, 12vw, 3.2rem);
  }

  .markdown-body h2 {
    margin-top: 3.2rem;
  }

  .markdown-body table {
    display: block;
    overflow-x: auto;
    border-radius: 0.75rem;
  }

  .markdown-body th,
  .markdown-body td {
    min-width: 10rem;
    padding: 0.75rem 0.85rem;
  }
}

@media (max-width: 480px) {
  .site-nav nav a[href*="FonijBuild"]:last-child {
    display: none;
  }

  .brand {
    font-size: 0.9rem;
  }

  .theme-toggle {
    width: 2.15rem;
    height: 2.15rem;
  }
}