/*
 * BolichApp public site. Colors match the app (src/theme/tokens.ts); dark theme only.
 * No JavaScript, cookies or external resources: system fonts only.
 */
:root {
  color-scheme: dark;
  --background: #0e1116;
  --surface: #181d25;
  --surface-raised: #232a35;
  --border: #313a48;
  --text: #f5f7fa;
  --text-secondary: #a9b4c2;
  --primary: #ffa62b;
  --on-primary: #1b1200;
  --primary-muted: #3a2a12;
  --danger: #ff6b6b;
  --danger-muted: #3a1719;
  --info: #8ec5ff;
  --focus-surface: #172231;
  --focus-border: #2b3d55;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --content: 44rem;
  --font:
    system-ui, -apple-system, 'Segoe UI', Roboto, 'Noto Sans', 'Helvetica Neue', Arial, sans-serif;
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.65;
  overflow-wrap: break-word;
}

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

a {
  color: var(--primary);
  text-underline-offset: 0.18em;
}

a:hover {
  text-decoration-thickness: 2px;
}

:focus-visible {
  outline: 3px solid var(--info);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 10;
  padding: 0.75rem 1rem;
  background: var(--primary);
  color: var(--on-primary);
  font-weight: 700;
  border-radius: var(--radius-sm);
  text-decoration: none;
}

.skip-link:focus {
  top: 1rem;
}

.wrap {
  width: 100%;
  max-width: var(--content);
  margin: 0 auto;
  padding: 0 1rem;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--background);
}

.site-header .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  min-height: 48px;
  color: var(--text);
  font-weight: 800;
  font-size: 1.2rem;
  text-decoration: none;
}

.brand img {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
}

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 600;
}

.site-nav a:hover,
.site-nav a[aria-current='page'] {
  color: var(--text);
}

.site-nav a[aria-current='page'] {
  text-decoration: underline;
  text-decoration-color: var(--primary);
  text-decoration-thickness: 2px;
}

.site-nav .lang {
  padding: 0 0.85rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text);
}

/* Main */
main {
  padding: 2rem 0 3rem;
}

h1,
h2,
h3 {
  line-height: 1.25;
  margin: 2.25rem 0 0.75rem;
}

h1 {
  font-size: clamp(1.9rem, 5vw, 2.5rem);
  font-weight: 800;
  margin-top: 0.5rem;
}

h2 {
  font-size: 1.45rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

h3 {
  font-size: 1.15rem;
  margin-top: 1.75rem;
}

h4 {
  font-size: 1rem;
  line-height: 1.25;
  margin: 1.25rem 0 0.5rem;
}

.toc ol ol {
  columns: auto;
  margin-top: 0.25rem;
  padding-left: 1.25rem;
}

p,
ul,
ol,
dl {
  margin: 0 0 1rem;
}

ul,
ol {
  padding-left: 1.4rem;
}

li {
  margin-bottom: 0.4rem;
}

li > ul {
  margin-top: 0.4rem;
}

strong {
  font-weight: 700;
}

.lead {
  font-size: 1.2rem;
  color: var(--text-secondary);
}

.meta {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.card {
  margin: 1.25rem 0;
  padding: 1rem 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.card > :last-child {
  margin-bottom: 0;
}

.card h2,
.card h3 {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.card.focus {
  background: var(--focus-surface);
  border-color: var(--focus-border);
}

.card.warning {
  background: var(--danger-muted);
  border-color: var(--danger);
}

.toc ol {
  margin: 0;
  columns: 2 14rem;
  column-gap: 2rem;
}

.toc li {
  break-inside: avoid;
}

.steps li::marker {
  color: var(--primary);
  font-weight: 700;
}

.path {
  font-weight: 700;
  color: var(--text);
}

kbd,
code {
  font-family: ui-monospace, 'Cascadia Code', Consolas, monospace;
  font-size: 0.92em;
  padding: 0.1em 0.35em;
  background: var(--surface-raised);
  border-radius: 4px;
}

/* Pending items the developer must confirm before publishing (grep "TODO"). */
.todo {
  display: inline;
  padding: 0.05em 0.35em;
  background: var(--primary-muted);
  color: var(--primary);
  border: 1px dashed var(--primary);
  border-radius: 4px;
  font-size: 0.9em;
  font-weight: 600;
}

/* Home */
.hero {
  display: grid;
  gap: 1.25rem;
  justify-items: start;
  padding: 1rem 0 1.5rem;
}

.hero img {
  width: 104px;
  height: 104px;
  border-radius: 24px;
}

.hero h1 {
  margin: 0;
}

.hero .lead {
  margin: 0;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.6rem 1.4rem;
  border-radius: 999px;
  background: var(--primary);
  color: var(--on-primary);
  font-weight: 700;
  text-decoration: none;
}

.features {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  margin: 1.5rem 0;
  padding: 0;
  list-style: none;
}

.features li {
  margin: 0;
  padding: 1rem 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.features h3 {
  margin: 0 0 0.4rem;
  color: var(--primary);
}

.features p {
  margin: 0;
  color: var(--text-secondary);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.site-footer .wrap {
  padding-top: 1.5rem;
  padding-bottom: 2rem;
}

.site-footer ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0 1.25rem;
  margin: 0 0 0.75rem;
  padding: 0;
  list-style: none;
}

.site-footer li {
  margin: 0;
}

.site-footer a {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
}

.site-footer p {
  margin: 0.25rem 0;
}