/* AKS Teknik site diliyle uyumlu: lacivert #0e2044, kırmızı #d3252c, system-ui, 2–4 px köşe, açık gri zemin */
:root {
  --color-primary:#d3252c; --color-primary-dark:#b01e24; --color-navy:#0e2044; --color-navy-dark:#03132b;
  --color-text:#1a1a1a; --color-text-muted:#555; --color-bg:#fff; --color-bg-alt:#f5f5f5; --color-border:#e0e0e0;
  --bg:var(--color-bg-alt); --panel:#fff; --line:var(--color-border); --ink:var(--color-text); --muted:var(--color-text-muted);
  --acc:var(--color-primary); --warn:#8a5a00; --warnbg:#fff4d6; --font-sans:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --container-max:1280px; --transition:.2s ease;
}
* { box-sizing:border-box; }
body { margin:0; font:14px/1.5 var(--font-sans); color:var(--ink); background:var(--bg); }
a { color:var(--color-navy); }
.container { width:100%; max-width:var(--container-max); margin-inline:auto; padding-inline:24px; }
/* üst şerit (site Header.astro top-bar) */
.top-bar { background:var(--color-navy); color:#fff; font-size:13px; }
.top-bar__inner { display:flex; justify-content:space-between; align-items:center; padding-block:8px; }
.top-bar__brand { color:rgba(255,255,255,.9); letter-spacing:.02em; }
.lang-switcher { display:flex; gap:4px; }
.lang-link { background:none; border:1px solid rgba(255,255,255,.35); color:#fff; padding:2px 10px; font-size:12px; font-weight:600; border-radius:2px; cursor:pointer; }
.lang-link:hover { border-color:#fff; } .lang-link--active { background:var(--color-primary); border-color:var(--color-primary); }
/* beta şeridi (yayın: demo, sorumluluk reddi) */
.beta-bar { background:var(--warnbg); color:var(--warn); border-bottom:1px solid #ecd9a8; font-size:13px; line-height:1.45; }
.beta-bar .container { padding-block:8px; } .beta-bar a { color:var(--warn); font-weight:600; }
.disclaimer { border-top:1px solid var(--line); padding-top:8px; margin-top:10px !important; max-width:900px; }
/* gömülü mod (?embed=1): site sayfası kendi başlığını ve uyarısını gösterir */
body.embed .top-bar, body.embed .header-main, body.embed .beta-bar { display:none; }
body.embed .layout { padding-top:8px; }
/* iframe yüksekliği içeriğe göre ayarlandığından vh ölçüleri döngüye girer: gömülü modda sabit piksel */
body.embed .out { min-height:0; }
body.embed .code { height:520px; max-height:none; flex:none; }
/* başlık */
.header-main { background:#fff; border-bottom:1px solid var(--line); padding:22px 0 18px; }
.eyebrow { display:inline-block; font-size:12px; font-weight:700; letter-spacing:.1em; text-transform:uppercase; color:var(--color-primary); margin-bottom:6px; }
h1 { font-size:26px; line-height:1.2; margin:0 0 6px; color:var(--color-navy); font-weight:700; }
.sub { margin:0; color:var(--muted); font-size:15px; }
/* yerleşim */
.layout { display:grid; grid-template-columns:380px minmax(0,1fr); gap:16px; padding-block:18px 24px; }
@media (max-width: 900px) { .layout { grid-template-columns:minmax(0,1fr); } }
.panel { background:var(--panel); border:1px solid var(--line); border-radius:4px; padding:14px; }
fieldset { border:1px solid var(--line); border-radius:4px; margin:0 0 12px; padding:10px 12px 12px; }
legend { font-size:12px; font-weight:700; letter-spacing:.08em; text-transform:uppercase; color:var(--color-navy); padding:0 6px; }
label { display:block; font-size:12px; color:var(--muted); margin-top:8px; }
label.wide { width:100%; }
.seg { display:flex; flex-wrap:wrap; gap:6px 14px; margin:2px 0 4px; } .seg label { display:flex; align-items:center; gap:5px; margin:0; font-size:13px; color:var(--ink); white-space:nowrap; } .seg input { width:auto; margin:0; }
input[type=file] { padding:3px; font-size:12px; }
label.check { display:flex; align-items:flex-start; gap:6px; margin-top:10px; } label.check input { width:auto; margin:3px 0 0; }
input, select { display:block; width:100%; min-width:0; margin-top:3px; padding:7px 9px; font-size:14px; font-family:inherit; color:var(--ink); border:1px solid var(--line); border-radius:2px; background:#fff; }
input:focus, select:focus { outline:2px solid var(--color-primary); outline-offset:1px; }
.row { display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr); gap:10px; }   /* minmax(0,…): dar ekranda input'un doğal genişliği sütunu büyütmesin */
.note { margin:6px 0 0; font-size:12px; color:var(--muted); }
.warnings:empty { display:none; }
.warnings { background:var(--warnbg); color:var(--warn); border-radius:4px; padding:8px 10px; font-size:12px; }
.warnings div + div { margin-top:3px; }
.out { display:flex; flex-direction:column; min-height:80vh; min-width:0; }   /* min-width:0: kod kutusu sütunu genişletmesin */
.preview-head { display:flex; justify-content:space-between; align-items:baseline; gap:10px; margin-bottom:8px; }
.preview-head strong { font-size:12px; font-weight:700; letter-spacing:.08em; text-transform:uppercase; color:var(--color-navy); }
.sim-grid { display:grid; grid-template-columns:1fr 1fr; gap:10px; }
@media (max-width: 1100px) { .sim-grid { grid-template-columns:1fr; } }
.sim-grid figure { margin:0; } figcaption { font-size:11px; color:var(--muted); margin-bottom:3px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
canvas.sim { display:block; width:100%; height:300px; background:#fbfcfd; border:1px solid var(--line); border-radius:4px; touch-action:none; }
.toolbar { display:flex; gap:8px; align-items:center; margin:12px 0 8px; flex-wrap:wrap; }
.sim-bar { margin:8px 0 4px; } .sim-bar input[type=range] { flex:1; width:auto; margin:0; padding:0; border:0; min-width:120px; accent-color:var(--color-primary); }
.sim-bar select { display:inline-block; width:auto; margin:0 0 0 4px; padding:4px 6px; } label.inline { display:flex; align-items:center; margin:0; }
.mono { font-family:ui-monospace,Menlo,Consolas,monospace; white-space:nowrap; }
button { padding:8px 16px; font-size:13px; font-weight:600; font-family:inherit; border-radius:2px; border:1px solid var(--color-primary); background:var(--color-primary); color:#fff; cursor:pointer; transition:background-color var(--transition), border-color var(--transition), color var(--transition); }
button:hover { background:var(--color-primary-dark); border-color:var(--color-primary-dark); }
button.secondary { background:#fff; color:var(--ink); border-color:var(--line); }
button.secondary:hover { background:#fff; border-color:var(--color-navy); color:var(--color-navy); }
button.active { background:var(--color-navy); border-color:var(--color-navy); color:#fff; }
/* G-kod görünümü: satır numarası + metin tek parça (50 bin satırda da hızlı) + işlenen satır şeridi */
.code-hint { margin:0 0 4px; }
.code { position:relative; flex:1; min-height:320px; max-height:75vh; overflow:auto; resize:vertical; border:1px solid var(--line); border-radius:4px; background:#fff; outline:none; }
.code:focus { outline:2px solid var(--color-primary); outline-offset:1px; }
.code__inner { position:relative; display:flex; min-width:100%; width:max-content; }
.code pre { margin:0; font:12px/16px ui-monospace,Menlo,Consolas,monospace; padding:8px; white-space:pre; }
.code__gutter { color:var(--muted); text-align:right; user-select:none; background:var(--color-bg-alt); border-right:1px solid var(--line); position:sticky; left:0; z-index:1; }
.code__text { flex:1; cursor:default; }
.code__hl { position:absolute; left:0; right:0; height:16px; background:rgba(14,32,68,.13); border-left:3px solid var(--color-navy); pointer-events:none; display:none; z-index:2; }
.muted { color:var(--muted); font-size:12px; }
footer { padding:0 24px 24px; } footer p { margin:4px 0; }
/* seri no açıklaması (yapay zekaya verilecek düz metin) */
.explain { border:1px solid var(--line); border-radius:4px; padding:6px 10px 8px; margin:0 0 8px; background:#fbfcfd; }
.explain summary { cursor:pointer; font-size:12px; font-weight:700; letter-spacing:.04em; text-transform:uppercase; color:var(--color-navy); }
.explain .toolbar { margin:6px 0 4px; }
.explain pre { margin:0; font:12px/1.4 ui-monospace,Menlo,Consolas,monospace; white-space:pre-wrap; max-height:280px; overflow:auto; border:1px solid var(--line); border-radius:4px; padding:8px; background:#fff; }