/* aiogren — mavi optik form. Ortak tasarım sistemi: bütün sayfalar bu dosyayı kullanır. */
@font-face{font-family:"Archivo";src:url("fonts/archivo.woff") format("woff");font-weight:400 800;font-stretch:62% 100%;font-style:normal;font-display:swap}

:root{
  color-scheme:light dark;
  /* kâğıt ve masa */
  --desk:#edf0f4;
  --sheet:#ffffff;
  --band:#dce7fb;          /* formun mavi başlık bandı */
  --band-line:#adc3ec;
  /* basılı mavi mürekkep (dropout) */
  --drop:#1d4fb8;
  --drop-strong:#163d8f;
  --drop-line:#a6bfea;     /* çizgiler, yuvarlak çerçeveleri */
  --drop-faint:#d5e1f6;
  --drop-wash:#f4f7fd;     /* gölgeli satırlar */
  /* kullanıcının kurşun kalemi */
  --graphite:#1c1d21;
  --graphite-2:#3a3c42;
  --sub:#5b5e66;
  --rule:#e3e5e9;
  /* durum renkleri */
  --good:#11703f; --good-bg:#e6f4ec; --good-line:#7cc39c;
  --bad:#b0202d;  --bad-bg:#fdeced;  --bad-line:#eb9aa1;
  --focus:#1c1d21;
  --font:"Archivo",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --r-box:4px; --r-ctl:8px;
}
@media (prefers-color-scheme:dark){
  :root{
    --desk:#0c0f14; --sheet:#151a22; --band:#16213a; --band-line:#2b3c63;
    --drop:#8fb0ff; --drop-strong:#b8ccff; --drop-line:#344a75; --drop-faint:#1e2a44; --drop-wash:#121a29;
    --graphite:#e9edf3; --graphite-2:#c8cfda; --sub:#a7a9b0; --rule:#2b2d32;
    --good:#73d69e; --good-bg:#14291d; --good-line:#2f6b47;
    --bad:#ff8f99; --bad-bg:#33161a; --bad-line:#7a2f37;
    --focus:#e9edf3;
  }
}

*,*::before,*::after{box-sizing:border-box}
html{background:var(--desk);-webkit-text-size-adjust:100%;scrollbar-color:var(--drop-line) var(--desk)}
body{margin:0;min-height:100vh;background:var(--desk);color:var(--graphite);font:400 16px/1.6 var(--font);font-stretch:100%;font-variant-numeric:tabular-nums;caret-color:var(--drop)}
::selection{background:var(--drop-faint);color:var(--graphite)}
a{color:var(--drop);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--drop-strong)}
:focus-visible{outline:2px solid var(--focus);outline-offset:3px}
svg.i{width:18px;height:18px;flex:none;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}

/* ---------- üst şerit: optik formun başlık bandı ---------- */
header.ai-tg-top-header{position:relative;display:flex!important;align-items:center;gap:14px;flex-wrap:wrap;max-width:none;margin:0;padding:22px max(20px,calc((100% - 1120px)/2)) 16px;background:var(--band);border-bottom:1px solid var(--band-line)}
/* zamanlama işaretleri: optik okuyucunun formu hizaladığı kenar işaretleri */
header.ai-tg-top-header::before{content:"";position:absolute;left:0;right:0;top:0;height:7px;background:var(--graphite);-webkit-mask:repeating-linear-gradient(90deg,#000 0 10px,transparent 10px 22px);mask:repeating-linear-gradient(90deg,#000 0 10px,transparent 10px 22px)}
header.ai-tg-top-header .ai-tg-top-link{margin-left:auto;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 16px;border-radius:var(--r-ctl);background:var(--graphite);color:var(--sheet)!important;border:1px solid var(--graphite);text-decoration:none!important;font:650 14px/1.3 var(--font);font-stretch:85%;letter-spacing:.01em;white-space:nowrap;transition:background-color .18s ease-out,transform .18s ease-out}
header.ai-tg-top-header .ai-tg-top-link:hover{background:var(--graphite-2)}
header.ai-tg-top-header .ai-tg-top-link:active{transform:translateY(1px)}
header.ai-tg-top-header .ai-tg-top-link:focus-visible{outline:2px solid var(--graphite);outline-offset:3px}
.home-link{display:inline-flex;align-items:center;gap:12px;min-height:44px;font:700 17px/1.25 var(--font);font-stretch:86%;color:var(--graphite)!important;text-decoration:none}
.home-link:hover{text-decoration:underline;text-underline-offset:4px}
.home-link .mark{display:grid;place-items:center;flex:none;width:40px;height:40px;border-radius:50%;background:var(--graphite);color:var(--sheet);font:750 15px/1 var(--font);font-stretch:80%}
@media (max-width:540px){
  header.ai-tg-top-header{gap:10px;padding:20px 16px 8px}
  header.ai-tg-top-header > div:not(.logo),header.ai-tg-top-header .home-link{flex:1 1 0;min-width:0}
  header.ai-tg-top-header .home-link{font-size:15px}
  header.ai-tg-top-header .ai-tg-top-link{padding:9px 14px}
  header.ai-tg-top-header .tg-extra{display:none}
}

/* ---------- üst menü ---------- */
.top-nav{display:flex;align-items:center;gap:4px;margin-left:24px}
.top-nav .nav-item{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:8px 12px;border-radius:6px;color:var(--graphite);text-decoration:none;font:650 15px/1.2 var(--font);font-stretch:88%;cursor:pointer;list-style:none;transition:background-color .18s ease-out}
.top-nav .nav-item::-webkit-details-marker{display:none}
/* her menü öğesi bir optik yuvarlak: bulunduğun sayfanınki dolu */
.top-nav .nav-item::before{content:"";width:10px;height:10px;flex:none;border-radius:50%;border:1.5px solid var(--drop-line);transition:background-color .18s ease-out,border-color .18s ease-out}
.top-nav .nav-item:hover{background:var(--sheet);color:var(--graphite)}
.top-nav .nav-item:hover::before{border-color:var(--drop)}
.top-nav .nav-item[aria-current],.top-nav .nav-item[data-current]{color:var(--graphite)}
.top-nav .nav-item[aria-current]::before,.top-nav .nav-item[data-current]::before{background:var(--graphite);border-color:var(--graphite)}
.top-nav .chev{width:16px;height:16px;color:var(--drop);transition:transform .2s cubic-bezier(.2,.8,.2,1)}
.nav-drop{position:relative}
.nav-drop[open] > .nav-item{background:var(--sheet)}
.nav-drop[open] .chev{transform:rotate(180deg)}
.nav-menu{position:absolute;z-index:50;top:calc(100% + 8px);left:0;width:min(320px,calc(100vw - 32px));padding:6px;background:var(--sheet);border:1px solid var(--drop-line);border-radius:6px;box-shadow:0 18px 40px -16px #0005}
.nav-drop[open] .nav-menu{animation:nav-in .18s cubic-bezier(.2,.8,.2,1)}
@keyframes nav-in{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}
.nav-menu a{display:grid;grid-template-columns:62px 1fr;align-items:center;gap:10px;min-height:44px;padding:8px 10px;border-radius:4px;color:var(--graphite);text-decoration:none;font:600 15px/1.25 var(--font);font-stretch:90%}
.nav-menu a small{font:700 12px/1 var(--font);font-stretch:80%;letter-spacing:.04em;color:var(--drop)}
.nav-menu a:hover,.nav-menu a:focus-visible{background:var(--drop-wash)}
.nav-menu a[aria-current]{background:var(--band)}
.nav-menu .nav-all{display:flex;margin-top:4px;border-top:1px solid var(--drop-faint);border-radius:0 0 4px 4px;color:var(--drop);font-weight:650}
@media (max-width:900px){
  .top-nav{order:3;flex:1 1 100%;margin:4px -8px 0;gap:0}
  .top-nav .nav-item{padding:8px 10px;font-size:14px;white-space:nowrap}
  .nav-drop{position:static}
  .nav-menu{left:16px;top:auto;margin-top:6px}
}

/* ---------- alt sayfalar: ders, ünite, rehber, 404 ---------- */
.page{max-width:820px;margin:0 auto;padding:36px 20px 56px}
.page > h1{margin:10px 0 14px;font:750 40px/1.08 var(--font);font-stretch:78%;letter-spacing:-.015em;text-wrap:balance}
.page > p{max-width:68ch;color:var(--graphite-2)}
.page h2{margin:44px 0 12px;font:700 24px/1.25 var(--font);font-stretch:85%;letter-spacing:-.005em;text-wrap:balance}
.page h3{margin:28px 0 6px;font:700 18px/1.35 var(--font);font-stretch:90%}
.page ul,.page ol{padding-left:22px}
.page li{margin:8px 0}
.page li::marker{color:var(--drop);font-weight:700}
.breadcrumbs{font:600 13px/1.5 var(--font);font-stretch:85%;letter-spacing:.04em;text-transform:uppercase;color:var(--sub)}
.breadcrumbs a{color:var(--drop);text-decoration:none}
.breadcrumbs a:hover{text-decoration:underline}

/* birincil eylem: kalemle karalanmış gibi koyu */
.cta,.button{display:inline-flex;align-items:center;gap:10px;min-height:46px;padding:11px 18px;border-radius:var(--r-ctl);background:var(--graphite);color:var(--sheet)!important;text-decoration:none;font:650 15px/1.3 var(--font);transition:background-color .18s ease-out,transform .18s ease-out}
.cta:hover,.button:hover{background:var(--graphite-2)}
.cta:active,.button:active{transform:translateY(1px)}

/* form bölümü: somon çerçeveli kutu, başlığı bandın içinde */
.card{margin:28px 0;background:var(--sheet);border:1px solid var(--drop-line);border-radius:var(--r-box);padding:0 22px 20px}
.card > h2{margin:0 -22px 16px;padding:12px 22px;background:var(--band);border-bottom:1px solid var(--drop-line);font:700 17px/1.3 var(--font);font-stretch:80%;letter-spacing:.03em;text-transform:uppercase;color:var(--drop-strong)}
.card > p{max-width:68ch}
.muted{color:var(--sub)}

/* örnek sorular: her soru bir optik satırı */
details{border-bottom:1px solid var(--rule);padding:0}
details:last-of-type{border-bottom:0}
summary{list-style:none;display:grid;grid-template-columns:24px 1fr;gap:12px;align-items:start;padding:13px 0;cursor:pointer;font-weight:600;line-height:1.45}
summary::-webkit-details-marker{display:none}
summary::before{content:"";width:22px;height:22px;margin-top:1px;border-radius:50%;border:1.5px solid var(--drop-line);background:var(--sheet);transition:background-color .2s ease-out,border-color .2s ease-out}
summary:hover::before{border-color:var(--drop)}
details[open] > summary::before{background:var(--graphite);border-color:var(--graphite)}
details > p{margin:0 0 12px 36px;max-width:64ch}
details > p:last-child{margin-bottom:16px}
details > p strong{font:700 12px/1.4 var(--font);font-stretch:80%;letter-spacing:.06em;text-transform:uppercase;color:var(--drop)}
.card > a{display:inline-flex;align-items:center;gap:6px;margin-top:10px;font-weight:600}

code,pre{font-family:ui-monospace,"SF Mono",Menlo,Consolas,monospace;font-size:.92em}
code{background:var(--drop-wash);border:1px solid var(--drop-faint);padding:1px 5px;border-radius:3px}
pre{background:var(--sheet);border:1px solid var(--drop-line);border-radius:var(--r-box);padding:16px 18px;overflow:auto;line-height:1.55}
pre code{background:none;border:0;padding:0}

/* ---------- alt bilgi ---------- */
footer{max-width:1120px;margin:0 auto;padding:22px 20px 40px;border-top:1px solid var(--rule);font-size:13px;line-height:1.6;color:var(--sub)}
.page + footer{max-width:820px}
footer a{color:var(--drop)}
footer br{display:none}
footer .ai-report-button{display:flex;margin:12px 0 0}

/* 404 */
.lost{max-width:560px;margin:0 auto;padding:72px 20px}
.lost h1{font:750 44px/1.05 var(--font);font-stretch:78%;margin:0 0 18px}

@media (max-width:540px){
  .page{padding:26px 16px 44px}
  .page > h1{font-size:31px}
  .page h2{font-size:21px;margin-top:36px}
  .card{padding:0 16px 16px}
  .card > h2{margin:0 -16px 14px;padding:11px 16px}
  details > p{margin-left:36px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
header.ai-tg-top-header .ai-tg-top-link{gap:0}
header.ai-tg-top-header .ai-tg-top-link svg{margin-right:8px}
header.ai-tg-top-header .tg-extra{white-space:pre}
@media (max-width:540px){header.ai-tg-top-header .tg-extra{display:none}}

/* WhatsApp topluluk düğmesi */
header.ai-tg-top-header .ai-wa-top-link{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 16px;border-radius:var(--r-ctl);background:#157a45;color:#fff!important;border:1px solid #157a45;text-decoration:none!important;font:650 14px/1.3 var(--font);font-stretch:85%;letter-spacing:.01em;white-space:nowrap;transition:background-color .18s ease-out,transform .18s ease-out}
header.ai-tg-top-header .ai-wa-top-link svg{margin-right:8px}
header.ai-tg-top-header .ai-wa-top-link:hover{background:#0f6338}
header.ai-tg-top-header .ai-wa-top-link:active{transform:translateY(1px)}
header.ai-tg-top-header .ai-wa-top-link:focus-visible{outline:2px solid var(--graphite);outline-offset:3px}
@media (max-width:1100px){header.ai-tg-top-header .tg-extra{display:none}}
@media (max-width:540px){
  header.ai-tg-top-header > div:not(.logo){flex:1 1 calc(100% - 60px)}
  header.ai-tg-top-header .home-link{flex:1 1 100%}
  header.ai-tg-top-header .ai-tg-top-link,header.ai-tg-top-header .ai-wa-top-link{order:2;flex:1 1 0;margin-left:0}
}

/* iletişim e-postası */
footer .contact{display:flex;align-items:center;gap:8px;margin-top:8px;font-weight:600;color:var(--graphite)}
footer .contact svg{width:16px;height:16px;color:var(--drop)}
footer .contact a{color:var(--drop);text-decoration:underline;text-underline-offset:3px;overflow-wrap:anywhere}
.lost + footer{max-width:560px}
/* gizli görünümlerdeki başlıklar (SEO için h2, görünüm h1 ile aynı) */
#study-design h2.h1{margin:0;font:750 40px/1.06 var(--font);font-stretch:76%;letter-spacing:-.015em;text-wrap:balance}
@media (max-width:640px){#study-design h2.h1{font-size:32px}}
/* üst şeritte bölüm adı */
.home-link .brand-t{display:flex;flex-direction:column;font:750 18px/1.15 var(--font);font-stretch:80%;letter-spacing:-.005em}
.home-link .brand-t small{font:500 13px/1.3 var(--font);font-stretch:100%;color:var(--sub);letter-spacing:0;margin-top:2px}
#study-design header .brand{font-size:21px;line-height:1.15;letter-spacing:-.005em;white-space:nowrap}
#study-design header .tag{margin-top:2px}
@media (max-width:1240px){header.ai-tg-top-header .tg-extra{display:none}}
@media (max-width:540px){#study-design header .brand{font-size:19px;white-space:normal}}

/* ana sayfa: çıkmış sorular bölümü */
#study-design .seo-block{margin-top:40px;padding:26px 28px 18px;background:var(--sheet);border:1px solid var(--drop-line);border-radius:var(--r-box)}
#study-design .seo-block h2{font-size:26px;font-stretch:80%;margin:0 0 10px}
#study-design .seo-block > p{max-width:70ch;color:var(--graphite-2);font-size:16px;line-height:1.65;margin:10px 0}
#study-design .seo-block .faq{margin-top:18px;border-top:1px solid var(--rule)}
#study-design .seo-block details{border-bottom:1px solid var(--rule)}
#study-design .seo-block details:last-child{border-bottom:0}
#study-design .seo-block summary{font-size:16px}
#study-design .seo-block details p{margin:0 0 14px 36px;max-width:66ch;color:var(--graphite-2)}
@media (max-width:640px){#study-design .seo-block{padding:20px 16px 12px}#study-design .seo-block h2{font-size:22px}}
@media (max-width:1499px){header.ai-tg-top-header .tg-extra{display:none}}
@media (max-width:1080px){
  .top-nav{order:3;flex:1 1 100%;margin:4px -8px 0;gap:0}
  .top-nav .nav-item{padding:8px 10px;font-size:14px;white-space:nowrap}
  .nav-drop{position:static}
  .nav-menu{left:16px;top:auto;margin-top:6px}
}
/* yakında rozetleri */
.soon-badge{display:inline-block;vertical-align:middle;margin-left:10px;padding:5px 10px;border-radius:4px;background:var(--graphite);color:var(--sheet);font:700 12px/1 var(--font);font-stretch:80%;letter-spacing:.08em;text-transform:uppercase;white-space:nowrap}
.soon{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:22px 0;padding:14px 18px;background:var(--band);border:1px solid var(--drop-line);border-radius:var(--r-box);color:var(--graphite);font-weight:600}
.soon span{padding:5px 10px;border-radius:4px;background:var(--graphite);color:var(--sheet);font:700 12px/1 var(--font);font-stretch:80%;letter-spacing:.08em;text-transform:uppercase}
/* ders notları */
.unit-list{list-style:none;padding:0;margin:0}
.unit-list li{display:grid;grid-template-columns:80px 1fr auto;gap:14px;align-items:center;padding:12px 0;border-bottom:1px solid var(--rule)}
.unit-list li:last-child{border-bottom:0}
.unit-list .u{font:700 12px/1.2 var(--font);font-stretch:80%;letter-spacing:.08em;text-transform:uppercase;color:var(--drop)}
.unit-list .t{font-weight:650}
.unit-list a{font-size:14px;font-weight:600;white-space:nowrap}
.note-grid{list-style:none;padding:0;margin:22px 0 0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.note-grid li{margin:0}
.note-grid a{display:flex;flex-direction:column;gap:4px;height:100%;padding:18px 20px;background:var(--sheet);border:1px solid var(--drop-line);border-radius:var(--r-box);color:var(--graphite);text-decoration:none;transition:border-color .18s ease-out,background-color .18s ease-out}
.note-grid a:hover{border-color:var(--drop);background:var(--drop-wash)}
.note-grid small{font:700 12px/1 var(--font);font-stretch:80%;letter-spacing:.06em;color:var(--drop)}
.note-grid strong{font:700 19px/1.25 var(--font);font-stretch:86%}
.note-grid span{font-size:14px;color:var(--sub)}
@media (max-width:640px){
  .note-grid{grid-template-columns:1fr}
  .unit-list li{grid-template-columns:1fr;gap:4px}
  .top-nav{flex-wrap:wrap;row-gap:0}
}
/* dört menü öğesi tek satıra sığsın */
@media (min-width:1081px){
  .top-nav{gap:0;margin-left:14px}
  .top-nav .nav-item{padding:8px 10px;gap:7px;font-size:14.5px;white-space:nowrap}
}
@media (min-width:1081px) and (max-width:1220px){
  header.ai-tg-top-header .home-link .brand-t small,#study-design header .tag{display:none}
}
.page .note-grid,.page .unit-list{padding-left:0}
/* en üst bilgi şeridi */
.topbar{padding:7px max(20px,calc((100% - 1120px)/2));background:var(--graphite);color:var(--sheet);font:500 13px/1.45 var(--font);text-align:right}
.topbar a{color:inherit;font-weight:700;text-decoration:underline;text-underline-offset:3px;overflow-wrap:anywhere}
.topbar a:hover{color:inherit;opacity:.85}
.topbar a:focus-visible{outline:2px solid var(--sheet);outline-offset:2px}
@media (max-width:640px){.topbar{padding:8px 16px;text-align:left;font-size:12.5px}}
/* Instagram düğmesi (yalnız ikon) */
header.ai-tg-top-header .ai-ig-top-link{display:inline-grid;place-items:center;flex:none;width:44px;height:44px;border-radius:var(--r-ctl);background:var(--sheet);color:var(--graphite)!important;border:1px solid var(--drop-line);text-decoration:none!important;transition:border-color .18s ease-out,transform .18s ease-out}
header.ai-tg-top-header .ai-ig-top-link svg{width:20px;height:20px;margin:0}
header.ai-tg-top-header .ai-ig-top-link:hover{border-color:var(--drop)}
header.ai-tg-top-header .ai-ig-top-link:active{transform:translateY(1px)}
header.ai-tg-top-header .ai-ig-top-link:focus-visible{outline:2px solid var(--graphite);outline-offset:3px}
@media (max-width:540px){header.ai-tg-top-header .ai-ig-top-link{order:2;width:46px;height:auto;min-height:44px}}
@media (max-width:1180px){
  .top-nav{order:3;flex:1 1 100%;margin:4px -8px 0;gap:0}
  .nav-drop{position:static}
  .nav-menu{left:16px;top:auto;margin-top:6px}
  header.ai-tg-top-header .home-link .brand-t small,#study-design header .tag{display:revert}
}
@media (max-width:1180px) and (min-width:541px){header.ai-tg-top-header .ai-tg-top-link{margin-left:auto}}
/* ana sayfa üst şeridi alt sayfalarla aynı ölçüde */
#study-design header .brand{font-size:18px;font-stretch:80%;letter-spacing:-.005em}
#study-design header .tag{font-size:13px}
@media (min-width:1181px){#study-design header{gap:12px}}
/* Telegram, WhatsApp, Instagram: üç eş düğme, biraz daha küçük */
header.ai-tg-top-header .ai-tg-top-link,
header.ai-tg-top-header .ai-wa-top-link,
header.ai-tg-top-header .ai-ig-top-link{display:inline-flex;align-items:center;justify-content:center;gap:0;width:auto;height:auto;min-height:40px;padding:8px 13px;border-radius:var(--r-ctl);font:650 13.5px/1.2 var(--font);font-stretch:85%;letter-spacing:.01em;white-space:nowrap;text-decoration:none!important}
header.ai-tg-top-header .ai-tg-top-link svg,
header.ai-tg-top-header .ai-wa-top-link svg,
header.ai-tg-top-header .ai-ig-top-link svg{width:16px;height:16px;margin:0 7px 0 0}
header.ai-tg-top-header .ai-wa-top-link,header.ai-tg-top-header .ai-ig-top-link{margin-left:0}
header.ai-tg-top-header .ai-ig-top-link{background:#b3236e;border:1px solid #b3236e;color:#fff!important}
header.ai-tg-top-header .ai-ig-top-link:hover{background:#951c5b;border-color:#951c5b}
@media (min-width:1181px){header.ai-tg-top-header{gap:10px}}
@media (max-width:540px){
  header.ai-tg-top-header .ai-tg-top-link,header.ai-tg-top-header .ai-wa-top-link,header.ai-tg-top-header .ai-ig-top-link{order:2;flex:1 1 0;min-width:0;padding:9px 6px;font-size:13px}
  header.ai-tg-top-header .ai-tg-top-link svg,header.ai-tg-top-header .ai-wa-top-link svg,header.ai-tg-top-header .ai-ig-top-link svg{margin-right:5px}
}
@media (min-width:1181px){#study-design header{gap:10px}.top-nav{margin-left:6px}}
header.ai-tg-top-header .tg-extra{display:none!important}

/* ===== çıkmış sorular: PDF'ten çöz ===== */
.lede{font-size:18px;max-width:62ch}
.pc-privacy{display:flex;gap:12px;align-items:flex-start;max-width:68ch;margin:18px 0;padding:14px 16px;border:1px solid var(--good);border-radius:var(--r-box);background:var(--good-bg);color:var(--graphite);font-size:15px}
.pc-privacy .i{flex:none;width:20px;height:20px;margin-top:2px;stroke:var(--good)}
.pdfcoz{margin:20px 0 8px}
.pc-pick{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;min-height:190px;padding:28px 20px;border:2px dashed var(--drop-line);border-radius:var(--r-box);background:var(--sheet);cursor:pointer;text-align:center;transition:border-color .15s ease-out,background-color .15s ease-out}
.pc-pick:hover,.pc-pick.drag{border-color:var(--drop);background:var(--drop-wash)}
.pc-pick[hidden]{display:none}
.pc-input{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}
.pc-pick:focus-within{outline:3px solid var(--drop);outline-offset:3px}
.pc-btn{display:inline-flex;align-items:center;gap:8px;min-height:48px;padding:11px 22px;border-radius:var(--r-ctl);background:var(--graphite);color:var(--sheet);font:700 17px/1 var(--font)}
.pc-btn .i{width:20px;height:20px;stroke:currentColor}
.pc-sub{color:var(--sub);font-size:14px}
.pc-status{margin:12px 0;padding:12px 14px;border-radius:var(--r-box);background:var(--band);color:var(--graphite);font-weight:600}
.pc-status[data-kind="err"]{background:var(--bad-bg);color:var(--bad)}
.pc-app{background:var(--sheet);border:1px solid var(--drop-line);border-radius:var(--r-box);padding:0 0 18px;scroll-margin-top:12px}
.pc-app[hidden]{display:none}
.pc-head{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;padding:14px 18px;background:var(--band);border-bottom:1px solid var(--drop-line)}
.pc-head > div{flex:1 1 220px;min-width:0}
.pc-head b{display:block;font:750 18px/1.2 var(--font);font-stretch:80%;color:var(--graphite)}
.pc-head span{display:block;color:var(--drop-strong);font:700 12px/1.3 var(--font);font-stretch:80%;letter-spacing:.08em;text-transform:uppercase;margin-top:3px}
.pc-g{display:flex;align-items:center;gap:8px}.pc-g span{margin:0}
.pc-g select{min-height:40px;padding:6px 10px;border:1px solid var(--drop-line);border-radius:6px;background:var(--sheet);color:var(--graphite);font:inherit}
.pc-mode{display:inline-flex;align-items:center;gap:8px;min-height:40px;font-size:15px;font-weight:600;color:var(--graphite);cursor:pointer}
.pc-mode input{width:18px;height:18px;accent-color:var(--drop)}
.pc-dots{display:flex;flex-wrap:wrap;gap:6px;padding:14px 18px 4px}
.pc-dots button{width:36px;height:36px;padding:0;border-radius:50%;border:1.5px solid var(--drop-line);background:var(--sheet);color:var(--drop);font:700 13px/1 var(--font);font-stretch:80%;cursor:pointer}
.pc-dots button.on{background:var(--graphite);border-color:var(--graphite);color:var(--sheet)}
.pc-dots button.ok{background:var(--good);border-color:var(--good);color:var(--sheet)}
.pc-dots button.no{background:var(--bad);border-color:var(--bad);color:var(--sheet)}
.pc-dots button.empty{border-style:dashed;border-color:var(--sub);color:var(--sub)}
.pc-dots button.void{text-decoration:line-through;color:var(--sub)}
.pc-dots button[aria-current="true"]{outline:3px solid var(--drop);outline-offset:2px}
.pc-q{margin:12px 18px 0}
.pc-q figcaption{font:700 12px/1.2 var(--font);font-stretch:78%;letter-spacing:.1em;text-transform:uppercase;color:var(--drop);margin-bottom:8px}
.pc-img{background:#fff;border:1px solid var(--rule);border-radius:6px;padding:8px;overflow:hidden}
.pc-img canvas{display:block;width:100%;max-width:600px;height:auto;margin:0 auto}
.pc-opts{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin:14px 18px 0}
.pc-opts button{min-height:52px;border-radius:var(--r-ctl);border:1.5px solid var(--drop-line);background:var(--sheet);color:var(--graphite);font:750 20px/1 var(--font);font-stretch:80%;cursor:pointer;transition:background-color .15s ease-out,border-color .15s ease-out}
.pc-opts button:hover:not(:disabled){border-color:var(--drop)}
.pc-opts button.sel{background:var(--graphite);border-color:var(--graphite);color:var(--sheet)}
.pc-opts button.ok{background:var(--good);border-color:var(--good);color:var(--sheet)}
.pc-opts button.no{background:var(--bad);border-color:var(--bad);color:var(--sheet)}
.pc-opts button:disabled{cursor:default}
.pc-opts button:disabled:not(.ok):not(.no){opacity:.55}
.pc-fb{min-height:24px;margin:12px 18px 0;font-weight:650;color:var(--sub)}
.pc-fb.ok{color:var(--good)}.pc-fb.no{color:var(--bad)}
.pc-nav{display:flex;flex-wrap:wrap;gap:10px;margin:14px 18px 0}
.pc-nav button,.pc-again button{min-height:44px;padding:9px 16px;border-radius:var(--r-ctl);border:1px solid var(--drop-line);background:var(--sheet);color:var(--graphite);font:650 15px/1.2 var(--font);cursor:pointer}
.pc-nav button:disabled{opacity:.45;cursor:default}
.pc-nav .pc-finish{margin-left:auto;background:var(--graphite);border-color:var(--graphite);color:var(--sheet)}
.pc-nav .pc-finish[hidden]{display:none}
.pc-result{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:18px 18px 0}
.pc-result[hidden]{display:none}
.r-stat{padding:12px 14px;border:1px solid var(--drop-line);border-radius:var(--r-box);background:var(--drop-wash)}
.r-stat span{display:block;font:700 11px/1.2 var(--font);font-stretch:78%;letter-spacing:.1em;text-transform:uppercase;color:var(--drop)}
.r-stat b{display:block;margin-top:4px;font:750 30px/1 var(--font);font-stretch:74%;color:var(--graphite)}
.r-big{background:var(--graphite);border-color:var(--graphite)}.r-big span,.r-big b{color:var(--sheet)}
.pc-note{grid-column:1/-1;margin:0;color:var(--sub);font-size:14px}
.pc-again{margin:16px 18px 0}
.steps{counter-reset:s;list-style:none;padding:0!important;margin:0}
.steps li{counter-increment:s;position:relative;padding:4px 0 14px 46px;margin:0}
.steps li::before{content:counter(s);position:absolute;left:0;top:0;display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:var(--graphite);color:var(--sheet);font:750 15px/1 var(--font);font-stretch:78%}
#study-design .seo-links{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0}
#study-design .seo-links .cta{display:inline-flex;align-items:center;min-height:44px;padding:10px 16px;border-radius:var(--r-ctl);background:var(--graphite);color:var(--sheet)!important;text-decoration:none;font-weight:650}
@media (max-width:640px){
  .pc-head,.pc-dots{padding-left:14px;padding-right:14px}
  .pc-q,.pc-opts,.pc-fb,.pc-nav,.pc-result,.pc-again{margin-left:14px;margin-right:14px}
  .pc-img{padding:4px}
  .pc-opts{gap:6px}.pc-dots button{width:34px;height:34px}
  .pc-nav .pc-finish{margin-left:0;flex:1 1 100%}
  .pc-nav button{flex:1 1 0}
  .pc-result{grid-template-columns:1fr 1fr}
}
.pc-opts button.ok:disabled,.pc-opts button.no:disabled{opacity:1!important;color:var(--sheet)!important}
.nav-menu .nav-pdf{margin-top:4px;border-top:1px solid var(--drop-faint);border-radius:0;padding-top:10px}
.nav-menu .nav-pdf small{display:inline-grid;place-items:center;justify-self:start;padding:5px 7px;border-radius:4px;background:var(--graphite);color:var(--sheet)}
.nav-menu .nav-pdf em{display:block;margin-top:2px;font:500 12.5px/1.3 var(--font);font-style:normal;color:var(--sub)}
/* masaüstü: yeni sekmeye yer açmak için sosyal düğmeler simge hâlinde */
@media (min-width:1181px){
  header .ai-tg-top-link,header .ai-wa-top-link,header .ai-ig-top-link{width:42px;min-width:42px;height:42px;min-height:42px;padding:0!important;gap:0!important;justify-content:center;font-size:0!important;flex:none}
  header .ai-tg-top-link .i,header .ai-wa-top-link .i,header .ai-ig-top-link .i{width:20px;height:20px;margin:0}
  header .ai-tg-top-link{margin-left:auto}
}