/* Opisy OGraf.pl: styl spójny z resztą serwisu (czcionki systemowe, bez pobierania) */
:root {
    --text: #1f2933; --muted: #5b6770; --head: #14304a; --accent: #1b6ca8; --accent-2: #4fd1e5;
    --rule: #d5dce3; --panel: #f3f6f9; --bg: #ffffff; --navy: #0f2438; --navy-2: #17415f; --warn: #b45309;
    --sans: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Roboto, "Noto Sans", "DejaVu Sans", Arial, sans-serif;
    --mono: "Cascadia Mono", "Cascadia Code", Consolas, "SF Mono", Menlo, "DejaVu Sans Mono", monospace;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: var(--sans); font-size: 16px; line-height: 1.65; color: var(--text); background: var(--bg); }
a { color: var(--accent); }
a:focus-visible, button:focus-visible { outline: 3px solid #ffd166; outline-offset: 2px; }
.wrap { max-width: 980px; margin: 0 auto; padding: 0 20px; }

/* Menu i nagłówek strony */
.topbar { background: var(--navy); }
.menu { list-style: none; display: flex; flex-wrap: wrap; gap: 4px 24px; margin: 0; padding: 12px 0; font-size: 0.95rem; }
.menu a { color: #cfe3f1; text-decoration: none; font-weight: 600; }
.menu a:hover, .menu a[aria-current] { color: #fff; text-decoration: underline; text-underline-offset: 4px; }
.pagehead { background: linear-gradient(160deg, var(--navy) 0%, var(--navy-2) 100%); color: #fff; }
.pagehead .wrap { padding-top: 34px; padding-bottom: 34px; }
.pagehead h1 { margin: 0 0 4px; font-size: 2.1rem; letter-spacing: -0.01em; line-height: 1.15; }
.pagehead p { margin: 0; color: #a9c8de; }

/* Treść */
main section { padding: 36px 0 4px; }
h2 { font-size: 1.3rem; color: var(--head); margin: 0 0 14px; padding-bottom: 6px; border-bottom: 1px solid var(--rule); }
h3 { font-size: 1.05rem; color: var(--accent); margin: 1.4em 0 0.4em; }
p { margin: 0 0 12px; }
ol, ul { padding-left: 1.4em; }
li { margin: 0.35em 0; }
code { font-family: var(--mono); font-size: 0.9em; background: var(--panel); border: 1px solid var(--rule); padding: 1px 5px; border-radius: 2px; }


.footer { margin-top: 56px; background: var(--navy); color: #a9c8de; font-size: 0.88rem; }
.footer .wrap { padding-top: 18px; padding-bottom: 18px; }
.footer p { margin: 0; }
.footer a { color: #cfe3f1; }

/* Opisy */
.note { background: #fdf6e3; border-left: 3px solid #c9971c; padding: 10px 16px; margin: 14px 0; font-size: 0.95rem; }
.src { background: #eaf3fb; border-left: 3px solid var(--accent); padding: 10px 16px; margin: 14px 0; font-size: 0.95rem; }
.red-text { color: #b3261e; font-weight: 600; }
h4 { font-size: 0.95rem; color: var(--head); margin: 1.2em 0 0.3em; }
nav.toc { background: var(--panel); border: 1px solid var(--rule); border-top: 3px solid var(--accent); padding: 12px 18px; margin: 28px 0 0; font-size: 0.95rem; }
nav.toc ol { margin: 6px 0 0; padding-left: 1.3em; }
nav.toc ol ol { margin: 2px 0 4px; }
nav.toc li { margin: 2px 0; break-inside: avoid; }
@media print { .topbar { display: none; } .note, .src { break-inside: avoid; } }

@media (max-width: 760px) { .pagehead h1 { font-size: 1.6rem; } }