/* Kul Defteri paleti. Sistem yazi tipleri, dis kaynak yok. */
:root {
  --bg: #ECE9E4;
  --surface: #F6F3EE;
  --line: #D3CEC6;
  --ink: #1D1B19;
  --ink2: #5A544D;
  --ember: #B04A18;
  --on-ember: #FFFFFF;
  --focus: #B04A18;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #100F0E;
    --surface: #1A1817;
    --line: #2E2B28;
    --ink: #E9E4DD;
    --ink2: #A49E96;
    --ember: #DB7B3F;
    --on-ember: #100F0E;
    --focus: #DB7B3F;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 1rem/1.65 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
.wrap { width: 100%; max-width: 46rem; margin: 0 auto; padding-left: 16px; padding-right: 16px; }
.skip { position: absolute; left: -999px; top: 0; background: var(--ember); color: var(--on-ember); padding: .6rem 1rem; z-index: 10; }
.skip:focus { left: 8px; top: 8px; }
a { color: var(--ember); text-underline-offset: .18em; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; border-radius: 4px; }

.site-header { border-bottom: 1px solid var(--line); background: var(--bg); position: sticky; top: 0; z-index: 5; }
.bar { display: flex; flex-wrap: wrap; align-items: center; gap: .25rem 1rem; padding-top: .7rem; padding-bottom: .7rem; }
.brand { display: inline-flex; align-items: center; gap: .55rem; color: var(--ink); font-weight: 700; text-decoration: none; margin-right: auto; }
.dot { width: .8rem; height: .8rem; border-radius: 50%; background: var(--ember); box-shadow: 0 0 0 4px color-mix(in srgb, var(--ember) 25%, transparent); }
nav { display: flex; flex-wrap: wrap; gap: .1rem .3rem; }
nav a, .lang { color: var(--ink2); text-decoration: none; padding: .35rem .6rem; border-radius: 8px; font-size: .95rem; }
nav a:hover, .lang:hover { color: var(--ink); background: var(--surface); }
nav a[aria-current="page"] { color: var(--ink); background: var(--surface); box-shadow: inset 0 -2px 0 var(--ember); }
.lang { border: 1px solid var(--line); }

/* Dil secici: JavaScript'siz <details> acilir listesi + alt bilgide tam liste */
.langmenu { position: relative; background: none; border: 0; border-radius: 0; padding: 0; margin: 0; }
.langmenu[open] summary { border-bottom: 0; margin-bottom: 0; }
.langmenu summary { list-style: none; cursor: pointer; font-weight: 400; padding: .35rem .6rem; margin: 0; }
.langmenu summary::-webkit-details-marker { display: none; }
.langmenu summary::after { content: ""; display: inline-block; width: .4em; height: .4em; margin-left: .5em; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: translateY(-.15em) rotate(45deg); }
.langmenu[open] summary { color: var(--ink); background: var(--surface); }
.langmenu[open] summary::after { transform: translateY(.05em) rotate(225deg); }
.langmenu summary:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; border-radius: 8px; }
.langmenu .lang-list { position: absolute; right: 0; top: calc(100% + .35rem); z-index: 10; min-width: 12rem; max-height: min(70vh, 26rem); overflow-y: auto; margin: 0; padding: .3rem; list-style: none; background: var(--bg); border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 8px 24px rgba(0, 0, 0, .18); }
.lang-list li { margin: 0; }
.lang-list a { display: block; padding: .5rem .7rem; border-radius: 8px; color: var(--ink2); text-decoration: none; font-size: .95rem; }
.lang-list a:hover { color: var(--ink); background: var(--surface); }
.lang-list a[aria-current="true"] { color: var(--ink); background: var(--surface); box-shadow: inset 3px 0 0 var(--ember); }
.footer-langs-wrap { margin: .9rem 0; }
.footer-langs { display: flex; flex-wrap: wrap; gap: .1rem .3rem; padding: 0; margin: 0; list-style: none; }
.footer-langs a { padding: .35rem .6rem; border: 1px solid var(--line); }
.legal-note { font-size: .95rem; }

main { padding-top: 2.2rem; padding-bottom: 3rem; }
h1 { font-size: clamp(1.9rem, 5.5vw, 2.6rem); line-height: 1.15; margin: 0 0 .6rem; letter-spacing: -.01em; }
h2 { font-size: 1.35rem; line-height: 1.3; margin: 2.4rem 0 .6rem; }
h3 { font-size: 1.05rem; margin: 1.5rem 0 .3rem; }
p, ul, ol, dl { margin: .7rem 0; }
ul, ol { padding-left: 1.3rem; }
li { margin: .3rem 0; }
.lead { font-size: 1.15rem; color: var(--ink2); max-width: 38rem; }
.meta { color: var(--ink2); font-size: .92rem; }
.hero { padding: 1rem 0 .5rem; }
.badge { display: inline-block; margin-top: .6rem; padding: .35rem .8rem; border: 1px solid var(--line); border-radius: 999px; color: var(--ink2); font-size: .92rem; background: var(--surface); }
.btn { display: inline-block; margin: .4rem .5rem .4rem 0; padding: .65rem 1.1rem; border-radius: 10px; background: var(--ember); color: var(--on-ember); font-weight: 600; text-decoration: none; }
.btn.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btn:hover { filter: brightness(1.08); }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); gap: .9rem; margin: 1rem 0; padding: 0; list-style: none; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 1rem 1.1rem; margin: 0; }
.card h3 { margin-top: 0; }
.card p { margin: .3rem 0 0; color: var(--ink2); font-size: .97rem; }
.note { background: var(--surface); border: 1px solid var(--line); border-left: 4px solid var(--ember); border-radius: 10px; padding: .8rem 1rem; margin: 1.4rem 0; }
.note p { margin: .3rem 0; }
.toc { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: .8rem 1.1rem; margin: 1.2rem 0; }
.toc ol { columns: 2 14rem; margin: .3rem 0; }
.toc a { color: var(--ink); }

.table-wrap { overflow-x: auto; margin: 1rem 0; border: 1px solid var(--line); border-radius: 12px; }
table { border-collapse: collapse; width: 100%; min-width: 34rem; font-size: .95rem; }
th, td { text-align: left; vertical-align: top; padding: .65rem .8rem; border-bottom: 1px solid var(--line); }
th { background: var(--surface); font-weight: 600; }
tr:last-child td { border-bottom: 0; }
caption { text-align: left; padding: .6rem .8rem; color: var(--ink2); font-size: .9rem; }

details { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: .2rem 1rem; margin: .6rem 0; }
summary { cursor: pointer; font-weight: 600; padding: .7rem 0; }
details[open] summary { border-bottom: 1px solid var(--line); margin-bottom: .4rem; }

.site-footer { border-top: 1px solid var(--line); color: var(--ink2); font-size: .92rem; padding: 1.6rem 0 2.4rem; }
.site-footer p { margin: .3rem 0; }
.site-footer .links a { margin-right: .8rem; }
.site-footer .small { font-size: .85rem; }
code { font: .92em ui-monospace, SFMono-Regular, Menlo, monospace; background: var(--surface); padding: .1em .35em; border-radius: 4px; }
@media (max-width: 520px) {
  .langmenu { margin-left: auto; position: static; }
  .langmenu .lang-list { left: 16px; right: 16px; top: 100%; min-width: 0; display: grid; grid-template-columns: 1fr 1fr; gap: .1rem .4rem; }
  .bar { padding-top: .5rem; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
@media print { .site-header, .skip, .footer-langs-wrap { display: none; } body { background: #fff; color: #000; } }