/* Otoczka witryny: nagłówek, listy lekcji, nawigacja między lekcjami.
   Kolory i czcionki biorą się ze zmiennych zdefiniowanych w style.css. */

.site-head { border-bottom: 1px solid var(--rule); background: var(--carbon), var(--surface); font-family: var(--f-display); }
:root[data-theme="gold"] .site-head { border-bottom-color: rgba(212, 175, 55, 0.28); }.site-head-in {
  max-width: 1480px; margin: 0 auto; padding: 10px 16px;
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px 20px;
}
.brand { font-weight: 600; color: var(--ink); text-decoration: none; font-size: 0.98rem; margin-right: auto; }
.site-nav { display: flex; flex-wrap: wrap; gap: 4px 14px; font-size: 0.9rem; }
.site-nav a { color: var(--muted); text-decoration: none; padding: 2px 0; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--accent); }
.site-nav a[aria-current="page"] { box-shadow: inset 0 -2px 0 var(--accent); }
.site-tools { display: flex; align-items: center; gap: 6px; font-size: 0.82rem; }
.site-tools .lang { color: var(--muted); text-decoration: none; padding: 2px 6px; border-radius: 6px; font-weight: 500; }
.site-tools .lang.active { color: var(--accent); background: var(--accent-soft); }
.theme-sel {
  border: 1px solid var(--rule); background: var(--surface); color: var(--ink); border-radius: 8px;
  height: 28px; padding: 0 6px; cursor: pointer; font: inherit; font-size: 0.82rem;
}
@media (min-width: 680px) { .site-head-in { padding-inline: 28px; } }

.site-main { max-width: 980px; margin: 0 auto; padding: 32px 16px 64px; }
@media (min-width: 680px) { .site-main { padding-inline: 28px; } }
.site-main h1 { font-family: var(--f-display); font-size: var(--step-3); line-height: 1.08; letter-spacing: -0.02em; margin: 0 0 12px; }
.site-main h2 { font-family: var(--f-display); font-size: var(--step-1); margin: 0 0 10px; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 62ch; margin: 0 0 28px; }
.muted, .small { color: var(--muted); }
.small { font-size: 0.85rem; }

.branch-cards { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.card { background: var(--carbon), var(--surface);border: 1px solid var(--rule); border-radius: var(--radius); padding: 18px 20px; box-shadow: var(--shadow); }
.card h2 a { color: var(--ink); text-decoration: none; }
.card p { margin: 0 0 12px; font-size: 0.95rem; }
.part-list { list-style: none; margin: 0; padding: 0; font-family: var(--f-display); font-size: 0.86rem; display: grid; gap: 4px; }
.part-list .count { color: var(--muted); font-family: var(--f-mono); font-size: 0.8em; margin-left: 4px; }
.plabel { font-family: var(--f-mono); color: var(--accent); margin-right: 4px; white-space: nowrap; }

.part { margin-top: 28px; }
.lesson-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--rule); }
.lesson-list li {
  display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 10px;
  padding: 9px 2px; border-bottom: 1px solid var(--rule); font-family: var(--f-display); font-size: 0.95rem;
}
.lesson-list a { display: flex; gap: 10px; text-decoration: none; color: var(--ink); min-width: 0; }
.lesson-list a:hover .ltitle { color: var(--accent); }
.lesson-list .planned a { color: var(--muted); }
.lnum { font-family: var(--f-mono); color: var(--accent); min-width: 2.6em; }
.lreq { color: var(--muted); font-size: 0.8rem; margin-left: auto; }
.ltrening { font-size: 0.82rem; font-weight: 600; white-space: nowrap; }
.lesson-list .ltrening a { display: inline; color: var(--accent); }
.ltrening + .lreq, .ltrening { margin-left: auto; }

.badge { font-family: var(--f-display); font-size: 0.7rem; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; padding: 1px 7px; border-radius: 999px; white-space: nowrap; }
.badge.ok { background: var(--ok-soft); color: var(--ok); }
.badge.draft { background: var(--accent-soft); color: var(--accent); }
.badge.planned { background: var(--grid); color: var(--muted); }
.badge.level-p { background: transparent; color: var(--muted); border: 1px solid var(--rule); }
.badge.level-r { background: transparent; color: var(--accent); border: 1px solid var(--accent); }

.lesson-bar { max-width: 1480px; margin: 0 auto; padding: 12px 16px 0; font-family: var(--f-display); font-size: 0.85rem; color: var(--muted); }
@media (min-width: 680px) { .lesson-bar { padding-inline: 28px; } }
.lesson-bar p { margin: 0 0 6px; }
.crumbs a { color: var(--muted); }
.label-sm { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; margin-right: 6px; }
.prereq { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; font-family: var(--f-display); font-size: 0.85rem; color: var(--muted); }
.prereq.after { max-width: 980px; margin: 0 auto 32px; padding: 0 16px; }
.chip-link { text-decoration: none; background: var(--surface); border: 1px solid var(--rule); border-radius: 999px; padding: 2px 10px; color: var(--ink); }
.chip-link:hover { border-color: var(--accent); color: var(--accent); }

.chip { background: var(--surface-2); border: 1px dashed var(--rule); border-radius: 999px; padding: 1px 9px; color: var(--ink); font-size: 0.82rem; }
details.concepts { font-family: var(--f-display); margin: 2px 0 6px; }
details.concepts summary { cursor: pointer; font-size: 0.8rem; }
details.concepts .prereq { margin-top: 6px; }
.glossary { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--rule); font-family: var(--f-display); }
.glossary li { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 10px; padding: 8px 2px; border-bottom: 1px solid var(--rule); font-size: 0.92rem; }
.gname { font-weight: 500; min-width: 14em; }

.planned-lesson .series { font-family: var(--f-display); color: var(--muted); margin: 0 0 6px; }
.notice { background: var(--surface); border-left: 3px solid var(--accent); padding: 10px 14px; border-radius: 0 10px 10px 0; font-family: var(--f-display); }

.lesson-nav {
  max-width: 980px; margin: 0 auto; padding: 8px 16px 24px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px; font-family: var(--f-display);
}
.lesson-nav a {
  display: block; text-decoration: none; color: var(--ink); background: var(--surface);
  border: 1px solid var(--rule); border-radius: var(--radius); padding: 12px 16px; font-size: 0.92rem; min-width: 0;
}
.lesson-nav a span { display: block; color: var(--muted); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.06em; }
.lesson-nav a:hover { border-color: var(--accent); }
.lesson-nav .next { text-align: right; grid-column: 2; }

.table-wrap { overflow-x: auto; }
table.deps { border-collapse: collapse; width: 100%; font-family: var(--f-display); font-size: 0.88rem; }
table.deps th, table.deps td { text-align: left; vertical-align: top; padding: 8px 10px; border-bottom: 1px solid var(--rule); }
table.deps tr.planned td:first-child a { color: var(--muted); }

.site-foot { border-top: 1px solid var(--rule); font-family: var(--f-display); font-size: 0.82rem; color: var(--muted); text-align: center; padding: 18px 16px 28px; }

@media print {
  .site-head, .site-foot, .lesson-bar, .lesson-nav, .prereq.after { display: none !important; }
}