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

html, body {
  margin: 0;
  padding: 0;
  background: var(--color-canvas);
  color: var(--color-white);
  font-family: var(--font-mono);
  font-size: var(--text-body);
  line-height: var(--leading-body);
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }

a { color: inherit; text-decoration: none; }
a.text-link {
  color: var(--color-steel);
  transition: color .15s ease;
}
a.text-link:hover { color: var(--color-accent); text-decoration: underline; }

h1, h2, h3, h4, p { margin: 0; }

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

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

.font-display { font-family: var(--font-display); }
.font-mono { font-family: var(--font-mono); }

.container {
  max-width: var(--page-max-width);
  margin: 0 auto;
  padding: 0 var(--sp-32);
}

@media (max-width: 720px) {
  .container { padding: 0 var(--sp-16); }
}

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

.muted { color: var(--color-steel); }
.tertiary { color: var(--color-ash); }
.accent-text { color: var(--color-accent); }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-hairline);
  background: transparent;
  color: var(--color-steel);
  font-size: 12px;
  font-family: var(--font-mono);
  cursor: pointer;
  white-space: nowrap;
  transition: all .15s ease;
}
.pill:hover { border-color: var(--color-smoke); color: var(--color-white); }
.pill.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-accent-text);
  font-weight: 500;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  font-family: var(--font-mono);
  cursor: pointer;
  border: 1px solid transparent;
  transition: all .15s ease;
  box-shadow: var(--shadow-subtle);
}
.btn-primary {
  background: var(--color-accent);
  color: var(--color-accent-text);
}
.btn-primary:hover { background: #1fe377; }
.btn-ghost {
  background: transparent;
  border-color: var(--color-hairline);
  color: var(--color-white);
}
.btn-ghost:hover { border-color: var(--color-accent); color: var(--color-accent); background: var(--color-carbon); }

.card {
  background: var(--color-canvas);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-lg);
  padding: var(--card-padding);
}

.scrollbar-thin::-webkit-scrollbar { height: 6px; width: 6px; }
.scrollbar-thin::-webkit-scrollbar-thumb { background: var(--color-hairline); border-radius: 4px; }
.scrollbar-thin::-webkit-scrollbar-track { background: transparent; }

code, .kbd {
  font-family: var(--font-mono);
  background: var(--color-carbon);
  border: 1px solid var(--color-hairline);
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 12px;
}

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-accent);
  color: var(--color-accent-text);
  padding: 8px 16px;
  z-index: 200;
  border-radius: 0 0 6px 0;
}
.skip-link:focus { left: 0; }