:root {
  --primary-color: #2d3250;
  --accent-color: #f05454;
  --background-color: #121212;
  --surface-color: #1e1e2e;
  --text-primary: #ffffff;
  --btn-primary-fg: #ffffff;

  /* Mapped derived variables from GhostHub's themeColors.js */
  --primary-color-light: color-mix(in srgb, var(--primary-color) 85%, #ffffff);
  --primary-color-dark: color-mix(in srgb, var(--primary-color) 85%, #000000);
  --accent-color-light: color-mix(in srgb, var(--accent-color) 85%, #ffffff);
  --background-color-dark: color-mix(in srgb, var(--background-color) 95%, #000000);
  --background-color-light: color-mix(in srgb, var(--background-color) 90%, #ffffff);
  --text-secondary: color-mix(in srgb, var(--text-primary) 70%, transparent);
  --text-tertiary: color-mix(in srgb, var(--text-primary) 50%, transparent);
  --card-background: var(--surface-color);
  --card-hover: color-mix(in srgb, var(--surface-color) 88%, var(--text-primary) 12%);
  --overlay-color: color-mix(in srgb, var(--background-color) 80%, transparent);
  --divider-color: color-mix(in srgb, var(--text-primary) 18%, transparent);
  --divider-color-light: color-mix(in srgb, var(--text-primary) 10%, transparent);
  --gh-surface-solid: color-mix(in srgb, var(--surface-color) 98%, transparent);
  --gh-surface-glass: color-mix(in srgb, var(--surface-color) 90%, transparent);
  --gh-surface-glass-strong: color-mix(in srgb, var(--surface-color) 96%, transparent);
  --gh-surface-pressed: color-mix(in srgb, var(--text-primary) 12%, transparent);
  --gh-border-soft: color-mix(in srgb, var(--text-primary) 12%, transparent);
  --gh-border-strong: color-mix(in srgb, var(--accent-color) 34%, transparent);
  --gh-overlay-strong: color-mix(in srgb, var(--background-color) 82%, transparent);
  --gh-overlay-immersive: color-mix(in srgb, var(--background-color) 94%, transparent);
  --gh-overlay-gradient-bottom: linear-gradient(transparent, color-mix(in srgb, var(--background-color) 82%, transparent));
  
  --btn-secondary-bg: color-mix(in srgb, var(--surface-color) 96%, transparent);
  --btn-secondary-bg-hover: color-mix(in srgb, var(--surface-color) 88%, var(--text-primary) 12%);
  --btn-secondary-fg: var(--text-primary);
  --btn-secondary-border: color-mix(in srgb, var(--text-primary) 18%, transparent);
  
  --btn-ghost-bg-hover: color-mix(in srgb, var(--accent-color) 10%, transparent);
  --btn-ghost-fg: color-mix(in srgb, var(--text-primary) 70%, transparent);
  --btn-ghost-border: color-mix(in srgb, var(--text-primary) 18%, transparent);
  --btn-icon-bg-hover: color-mix(in srgb, var(--text-primary) 8%, transparent);
  
  --pill-bg: color-mix(in srgb, var(--surface-color) 72%, transparent);
  --pill-border: color-mix(in srgb, var(--text-primary) 18%, transparent);
  --pill-fg: color-mix(in srgb, var(--text-primary) 70%, transparent);
  --pill-hover-bg: color-mix(in srgb, var(--accent-color) 14%, transparent);
  --pill-hover-fg: var(--text-primary);
  --pill-hover-border: color-mix(in srgb, var(--accent-color) 34%, transparent);
  --pill-active-fg: var(--btn-primary-fg);
  
  --input-bg: color-mix(in srgb, var(--surface-color) 90%, transparent);
  --input-border: color-mix(in srgb, var(--text-primary) 18%, transparent);
  --input-fg: var(--text-primary);
  
  --modal-bg: color-mix(in srgb, var(--surface-color) 96%, transparent);
  --modal-border: color-mix(in srgb, var(--text-primary) 12%, transparent);
  
  --card-bg: color-mix(in srgb, var(--surface-color) 90%, transparent);
  --card-border: color-mix(in srgb, var(--text-primary) 12%, transparent);
  
  --theme-soft-accent: color-mix(in srgb, var(--primary-color) 78%, var(--accent-color) 22%);
  --theme-soft-accent-muted: color-mix(in srgb, var(--theme-soft-accent) 16%, transparent);

  /* Legacy layout variable mappings for fallback compatibility */
  --border-soft: var(--gh-border-soft);
  --border-strong: var(--gh-border-strong);
  --surface-raised: var(--btn-secondary-bg-hover);
  --surface-pressed: var(--gh-surface-pressed);
  --surface-glass: var(--gh-surface-glass);
  --accent-soft: var(--btn-ghost-bg-hover);
  --accent-deep: color-mix(in srgb, var(--accent-color) 70%, var(--background-color) 30%);

  color-scheme: dark;
}

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

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: var(--background-color);
  color: var(--text-primary);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  transition: background-color 0.45s cubic-bezier(0.4, 0, 0.2, 1),
              color 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
  background:
    radial-gradient(1200px 600px at 12% -10%, color-mix(in srgb, var(--primary-color) 35%, transparent), transparent 60%),
    radial-gradient(900px 500px at 100% 0%, color-mix(in srgb, var(--accent-color) 22%, transparent), transparent 55%),
    var(--background-color);
  background-attachment: fixed;
}

.site {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site__main {
  flex: 1;
}

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

a:hover {
  text-decoration: underline;
}

button {
  font-family: inherit;
}

input,
button {
  color: inherit;
}

code {
  background: var(--surface-raised);
  border: 1px solid var(--border-soft);
  border-radius: 5px;
  padding: 0.1em 0.4em;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Monaco, "Cascadia Code", monospace;
  font-size: 0.88em;
  color: var(--text-primary);
}

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

svg {
  flex-shrink: 0;
}

svg.icon {
  width: 1em;
  height: 1em;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
}