/* Author: Oleg Zhurko <oleg@zhurko.de> */

:root {
  --bg: #fbfbfd;
  --bg-elev: #ffffff;
  --bg-code: #f2f3f7;
  --fg: #16181d;
  --fg-muted: #5c6270;
  --border: #e3e5ec;
  --accent: #3f51b5;
  --accent-fg: #ffffff;
  --accent-soft: #e8eaf6;
  --soon-bg: #fff4e0;
  --soon-fg: #8a5a00;
  --ok-bg: #e3f6e8;
  --ok-fg: #1d6b35;
  --radius: 10px;
  --max: 1040px;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1116;
    --bg-elev: #161920;
    --bg-code: #1c2029;
    --fg: #e8eaf0;
    --fg-muted: #9aa1b1;
    --border: #262b36;
    --accent: #8c9eff;
    --accent-fg: #0f1116;
    --accent-soft: #1e2340;
    --soon-bg: #3a2a08;
    --soon-fg: #f2c46d;
    --ok-bg: #0f2f1a;
    --ok-fg: #7bd48f;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
}

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

code, pre, kbd {
  font-family: var(--mono);
  font-size: 0.92em;
}

code {
  background: var(--bg-code);
  border-radius: 4px;
  padding: 0.1em 0.35em;
}

pre {
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  overflow-x: auto;
  line-height: 1.5;
}

pre code { background: none; padding: 0; }

h1, h2, h3 { line-height: 1.25; letter-spacing: -0.01em; }
h1 { font-size: 2.2rem; margin: 0 0 0.4em; }
h2 { font-size: 1.5rem; margin: 2.2em 0 0.6em; }
h3 { font-size: 1.15rem; margin: 1.6em 0 0.5em; }

p { margin: 0 0 1em; }

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */

.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--bg-elev);
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-header .wrap {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 58px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--fg);
  letter-spacing: 0.01em;
}

.brand:hover { text-decoration: none; }

.brand svg { width: 26px; height: 26px; }

.nav {
  margin-left: auto;
  display: flex;
  gap: 4px;
  overflow-x: auto;
}

.nav a {
  color: var(--fg-muted);
  padding: 6px 10px;
  border-radius: 6px;
  white-space: nowrap;
  font-size: 0.95rem;
}

.nav a:hover { color: var(--fg); background: var(--bg-code); text-decoration: none; }
.nav a[aria-current="page"] { color: var(--fg); background: var(--accent-soft); }

/* Hero */

.hero {
  padding: 64px 0 40px;
}

.hero .lede {
  font-size: 1.25rem;
  color: var(--fg-muted);
  max-width: 44em;
  margin-bottom: 1.4em;
}

.hero .actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--fg);
  font-weight: 600;
}

.btn:hover { text-decoration: none; border-color: var(--accent); }

.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-fg);
}

/* Badges */

.badge {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 2px 9px;
  border-radius: 999px;
  vertical-align: middle;
}

.badge.soon { background: var(--soon-bg); color: var(--soon-fg); }
.badge.ok { background: var(--ok-bg); color: var(--ok-fg); }
.badge.muted { background: var(--bg-code); color: var(--fg-muted); }

.status-line {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  color: var(--fg-muted);
  font-size: 0.95rem;
  margin-bottom: 1.2em;
}

/* Cards */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin: 1.2em 0;
}

.card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
}

.card h3 { margin: 0 0 0.4em; font-size: 1.05rem; }
.card p { margin: 0; color: var(--fg-muted); font-size: 0.95rem; }
.card p + p { margin-top: 0.6em; }

/* Notices */

.notice {
  border: 1px solid var(--border);
  border-left: 4px solid var(--soon-fg);
  background: var(--bg-elev);
  border-radius: var(--radius);
  padding: 12px 16px;
  margin: 1.2em 0;
}

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

/* Tables */

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1em 0 1.5em;
  font-size: 0.95rem;
}

th, td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

th { color: var(--fg-muted); font-weight: 600; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.04em; }

.table-wrap { overflow-x: auto; }

/* Lists */

ul, ol { padding-left: 1.3em; }
li { margin-bottom: 0.35em; }

/* Sections */

section { margin-bottom: 1em; }

.muted { color: var(--fg-muted); }
.small { font-size: 0.9rem; }

/* Footer */

.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 64px;
  padding: 28px 0 40px;
  color: var(--fg-muted);
  font-size: 0.9rem;
}

.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  justify-content: space-between;
}

@media (max-width: 640px) {
  h1 { font-size: 1.75rem; }
  .hero { padding: 40px 0 24px; }
  .hero .lede { font-size: 1.1rem; }
  .site-header .wrap { gap: 12px; }
}