/* Plan dnia — arkusz stylow stron publicznych.
   Bez zewnetrznych zasobow: fonty systemowe, brak CDN, brak obrazow zdalnych. */

:root {
  color-scheme: light dark;

  --bg: #f7f7f5;
  --surface: #ffffff;
  --border: #d9d8d2;
  --text: #1c1c1a;
  --text-muted: #55544e;
  --accent: #1f5f4b;
  --accent-text: #ffffff;
  --link: #14513f;
  --focus: #0b5cd5;
  --note-bg: #eef3f1;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14151a;
    --surface: #1c1e25;
    --border: #343741;
    --text: #eceef2;
    --text-muted: #b3b7c0;
    --accent: #5fd3ae;
    --accent-text: #10241d;
    --link: #7fdcbc;
    --focus: #8ab4ff;
    --note-bg: #1f2830;
  }
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.65;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  padding: 0.75rem 1rem;
  background: var(--accent);
  color: var(--accent-text);
  z-index: 10;
}

.skip-link:focus {
  left: 0;
}

.wrap {
  max-width: 46rem;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 4rem;
}

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

header.site .wrap {
  padding-top: 1.75rem;
  padding-bottom: 1.75rem;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin: 0 0 0.5rem;
  font-size: 1.6rem;
  line-height: 1.25;
}

.brand .tag {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--text-muted);
}

h1 {
  font-size: 1.9rem;
  line-height: 1.25;
  margin: 0 0 0.75rem;
}

h2 {
  font-size: 1.3rem;
  line-height: 1.3;
  margin: 2.25rem 0 0.6rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border);
}

h3 {
  font-size: 1.05rem;
  margin: 1.5rem 0 0.4rem;
}

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

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

li {
  margin-bottom: 0.4rem;
}

a {
  color: var(--link);
  text-underline-offset: 0.15em;
}

a:hover {
  text-decoration: none;
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
  border-radius: 2px;
}

.lead {
  font-size: 1.15rem;
  color: var(--text);
}

.muted {
  color: var(--text-muted);
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.1rem 1.25rem;
  margin: 0 0 1.25rem;
}

.card h3 {
  margin-top: 0;
}

.card p:last-child,
.card ul:last-child {
  margin-bottom: 0;
}

.note {
  background: var(--note-bg);
  border-left: 4px solid var(--accent);
  border-radius: 0 8px 8px 0;
  padding: 1rem 1.15rem;
  margin: 1.5rem 0;
}

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

code,
.scope {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Consolas, "Liberation Mono", monospace;
  font-size: 0.9em;
  background: var(--note-bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.1em 0.35em;
  word-break: break-all;
}

.langbar {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
  margin: 0 0 1.5rem;
  font-size: 0.95rem;
}

.langbar a,
.langbar span {
  display: inline-block;
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  text-decoration: none;
}

.langbar [aria-current="true"] {
  background: var(--accent);
  color: var(--accent-text);
  border-color: var(--accent);
  font-weight: 600;
}

dl.meta {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.35rem 1rem;
}

dl.meta dt {
  font-weight: 600;
}

dl.meta dd {
  margin: 0;
}

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

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

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

@media (max-width: 30rem) {
  body {
    font-size: 1rem;
  }

  h1 {
    font-size: 1.55rem;
  }

  dl.meta {
    grid-template-columns: 1fr;
  }

  dl.meta dd {
    margin-bottom: 0.5rem;
  }
}

@media print {
  body {
    background: #fff;
    color: #000;
  }

  .langbar,
  .skip-link {
    display: none;
  }
}