:root{
  --bg: #F5F5F3;
  --text: #1A1A1A;
  --text-body: #2C2C2C;
  --text-muted: #999999;
  --border: #E8E6E1;
  --divider: #C8C5C0;
  --nav-bg: #F5F5F3;
  --link-underline: #C8C5C0;
  --transition: background-color .3s ease, color .3s ease, border-color .3s ease;
}

[data-theme="dark"]{
  --bg: #171717;
  --text: #F2F2F0;
  --text-body: #E4E4E2;
  --text-muted: #8a8a8a;
  --border: #2b2b2b;
  --divider: #3a3a3a;
  --nav-bg: #171717;
  --link-underline: #3a3a3a;
}

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

html{ -webkit-text-size-adjust: 100%; -webkit-tap-highlight-color: transparent; }

body{
  background-color: var(--bg);
  color: var(--text-body);
  font-family: 'Space Mono', 'Courier New', monospace;
  font-size: 16px;
  line-height: 1.8;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

a{ color: inherit; touch-action: manipulation; }

/* Header */
header{
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 48px;
  padding-top: max(24px, env(safe-area-inset-top));
  padding-left: max(48px, env(safe-area-inset-left));
  padding-right: max(48px, env(safe-area-inset-right));
  background-color: var(--nav-bg);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.logo{
  font-family: 'Alex Brush', cursive;
  font-size: 38px;
  font-weight: 400;
  text-decoration: none;
  color: var(--text);
  line-height: 1;
}

nav{
  display: flex;
  gap: 32px;
}

nav a{
  font-size: 15px;
  font-weight: 400;
  text-decoration: none;
  color: var(--text-muted);
  border-bottom: 1px solid transparent;
  padding: 4px 2px;
  transition: var(--transition);
}

nav a:hover,
nav a[aria-current="page"]{
  color: var(--text);
  border-bottom-color: var(--link-underline);
}

/* Main */
main{
  flex: 1;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 22vh 24px 0;
  padding-left: max(24px, env(safe-area-inset-left));
  padding-right: max(24px, env(safe-area-inset-right));
}

.content{
  width: 100%;
  max-width: 660px;
}

.content p{
  margin: 0 0 26px;
  color: var(--text-body);
}

.content p:last-child{
  margin-bottom: 0;
}

.placeholder{
  color: var(--text-muted);
  font-style: italic;
}

.eyebrow{
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-muted);
  margin: 0 0 16px;
}

/* Footer */
footer{
  padding: 0 24px 48px;
  padding-left: max(24px, env(safe-area-inset-left));
  padding-right: max(24px, env(safe-area-inset-right));
  padding-bottom: max(48px, env(safe-area-inset-bottom));
  display: flex;
  justify-content: center;
}

.footer-inner{
  width: 100%;
  max-width: 660px;
}

.socials{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  list-style: none;
  font-size: 16px;
  color: var(--text-muted);
}

.socials a{
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition);
}

.socials a:hover{
  color: var(--text);
}

.socials .dot{
  color: var(--divider);
}

/* Theme toggle */
.theme-toggle{
  position: fixed;
  right: max(20px, env(safe-area-inset-right));
  bottom: max(16px, env(safe-area-inset-bottom));
  appearance: none;
  display: flex;
  align-items: center;
  gap: 2px;
  background-color: var(--nav-bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  cursor: pointer;
  padding: 4px;
  transition: var(--transition);
  touch-action: manipulation;
}

.toggle-icon{
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: var(--transition);
}

.toggle-icon.active{
  background-color: var(--border);
  color: var(--text);
}

.toggle-icon svg{
  width: 17px;
  height: 17px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.6;
}

/* Responsive */
@media (max-width: 600px){
  body{ font-size: 15px; }
  main{
    padding: 16vh 20px 60px;
    padding-left: max(20px, env(safe-area-inset-left));
    padding-right: max(20px, env(safe-area-inset-right));
  }
  header{
    padding: 18px 20px;
    padding-top: max(18px, env(safe-area-inset-top));
    padding-left: max(20px, env(safe-area-inset-left));
    padding-right: max(20px, env(safe-area-inset-right));
  }
  .logo{ font-size: 32px; }
  nav{ gap: 20px; }
  nav a{ font-size: 14px; }
}

@media (max-width: 360px){
  header{ padding: 16px; }
  nav{ gap: 14px; }
  .logo{ font-size: 28px; }
  nav a{ font-size: 13px; }
}