/* NTB Akademi — renkler ve düzen NTB SpecPro ile aynı (Metin, 26.10.2026). */
:root{--navy:#15243D;--deep:#101C30;--accent:#B9944D;--gold-soft:#F3EAD7;--gold-ink:#8A6A2F;--bg:#F5F4EF;--ink:#15243D;--grey:#687280;--line:#E6E1D6;--search:#EDECE7;--red:#C62828;--green:#2E7D32;--sub:#C3CAD6;--card:#fff}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.5 Inter,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;-webkit-tap-highlight-color:transparent}
button,input{font:inherit;color:inherit}
a{color:var(--navy);text-decoration:none}
.ic{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}
.ic.buyuk{width:44px;height:44px;color:var(--accent)}.ic.yesil{color:var(--green)}
.yukleniyor{padding:80px 20px;text-align:center;color:var(--grey)}
.soluk{color:var(--grey)}.kucuk{font-size:13px}
/* Üst bant */
.bant{background:var(--deep);color:#fff;border-bottom:3px solid var(--accent);position:sticky;top:0;z-index:20}
.bant-ic{max-width:760px;margin:0 auto;padding:14px 16px}
.bant-ic.satir{display:flex;align-items:center;gap:12px}
.bant h2{margin:0;font-size:19px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.bant.buyuk{position:static;background:linear-gradient(160deg,#1A2B45,var(--deep))}
.bant.buyuk .bant-ic{padding:22px 16px 20px}
.marka{display:flex;align-items:center;gap:14px}
.marka h1{margin:0;font-size:24px}.marka p{margin:2px 0 0;color:var(--sub);font-size:14px}
.logo{width:64px;height:64px;border-radius:50%;flex:none}.logo.kucuk{width:34px;height:34px}
.geri{color:#fff;font-size:32px;line-height:1;padding:0 8px 4px 0}
.sayaclar{display:flex;gap:10px;margin-top:18px}
.sayac{border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);border-radius:16px;padding:8px 16px;min-width:96px}
.sayac b{display:block;font-size:22px}.sayac span{display:flex;align-items:center;gap:4px;color:var(--sub);font-size:13px}.sayac .ic{width:15px;height:15px;color:var(--accent)}
/* Sayfa */
.sayfa{max-width:760px;margin:0 auto;padding:14px 16px 200px}
.bolum{font-size:13px;letter-spacing:.6px;color:var(--grey);margin:24px 2px 10px}
.kart{display:block;background:var(--card);border:1px solid var(--line);border-radius:22px;padding:18px;margin:0 0 14px;position:relative;box-shadow:0 1px 3px rgba(16,27,51,.05)}
.kart h3{margin:4px 0 8px;font-size:17px}
.kart p{margin:6px 0}
.aciklama{color:var(--grey);font-size:14px;margin:4px 2px 14px}
.not{background:#F6F8FB;border-left:4px solid var(--accent);border-radius:10px;padding:10px 12px;font-size:13.5px;color:var(--grey)}
.devam{display:flex;align-items:center;justify-content:space-between;gap:10px}
.devam small{display:block;color:var(--grey)}.devam b{font-size:16px}.devam .ok{font-size:26px;color:var(--grey)}
/* Düğmeler */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border-radius:14px;border:1px solid var(--line);background:#fff;color:var(--navy);font-weight:700;padding:11px 20px;min-height:46px;cursor:pointer}
.btn.birincil{background:var(--navy);border-color:var(--navy);color:#fff}
.btn.tehlike{color:var(--red);border-color:#F1C4C4}
.btn.tam{width:100%}
.dugmeler{display:flex;justify-content:space-between;gap:10px;margin-top:16px;flex-wrap:wrap}
.baglanti{background:none;border:0;color:var(--navy);font-weight:600;padding:10px 0;cursor:pointer}
/* Konu kartları (SpecPro "Proses seçin" gibi) */
.izgara{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.konu-kart{background:#fff;border:1.5px solid var(--accent);border-radius:22px;padding:16px;position:relative;display:flex;flex-direction:column}
.konu-kart.pasif{border-color:var(--line)}
.konu-kart h4{margin:10px 0 4px;font-size:17px}
.konu-kart p{margin:0 0 14px;color:var(--grey);font-size:13.5px;flex:1}
.konu-simge{width:44px;height:44px;color:var(--navy)}.konu-simge .ic{width:40px;height:40px;stroke-width:1.6}
.etiket{position:absolute;top:12px;right:12px;font-size:12px;font-weight:700;border-radius:20px;padding:3px 11px;background:var(--gold-soft);color:var(--gold-ink)}
.etiket.yakinda{background:var(--search);color:var(--grey)}
.etiket.sabit{position:absolute}
.konu-kart .btn{min-height:42px;padding:9px 12px}
.pasif .btn{background:#fff;color:var(--navy);border-color:var(--line)}
/* Mühendislik desteği: sağ altta duran düğme (SpecPro gibi) */
.destek-yuzen{position:fixed;right:16px;bottom:calc(84px + env(safe-area-inset-bottom));z-index:21;width:128px;background:var(--deep);color:#fff;border:0;border-radius:22px;padding:14px 10px 12px;display:flex;flex-direction:column;align-items:center;gap:6px;text-align:center;box-shadow:0 6px 18px rgba(16,28,48,.35);cursor:pointer}
.destek-yuzen .ic{width:30px;height:30px;color:var(--accent)}
.destek-yuzen b{font-size:13.5px;line-height:1.25}
.destek-yuzen small{color:var(--accent);font-size:13.5px}
@media (min-width:820px){.destek-yuzen{right:calc(50% - 400px)}}
/* Konu listesi */
.konu h3{display:flex;align-items:center;gap:10px}
.no{width:28px;height:28px;border-radius:50%;background:var(--gold-soft);color:var(--gold-ink);display:grid;place-items:center;font-size:13px;flex:none}
.ders{display:flex;align-items:center;gap:10px;padding:10px 4px;border-top:1px solid var(--line);color:var(--ink)}
.ders.yazilmadi{color:var(--grey)}
.ders-ad{flex:1;font-size:14px}
.seviye{font-size:11.5px;font-weight:700;border-radius:8px;padding:2px 8px;flex:none;min-width:48px;text-align:center;background:var(--search);color:var(--navy)}
.seviye.orta{background:#E6ECF5}.seviye.ileri{background:var(--navy);color:#fff}
.rozet{font-size:11.5px;font-weight:700;color:var(--grey);display:flex;align-items:center;gap:3px;flex:none}
.rozet .ic{width:14px;height:14px}
.rozet.ucretsiz{color:var(--gold-ink)}.rozet.tamam{color:var(--green)}.rozet.kilit{color:var(--red)}
/* Ders */
.ilerleme{height:6px;border-radius:6px;background:var(--search);margin:14px 2px;overflow:hidden}
.ilerleme i{display:block;height:100%;background:var(--accent);transition:width .25s}
.gorsel{margin:12px 0;background:var(--search);border-radius:16px;aspect-ratio:4/3;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:var(--grey);padding:20px;text-align:center}
.gorsel .ic{width:42px;height:42px}
.gorsel figcaption{font-size:13px}
.ders-metin{font-size:17px;line-height:1.6}
.secenekler{display:flex;flex-direction:column;gap:8px}
.secenek{display:flex;align-items:center;gap:12px;text-align:left;background:#fff;border:1.5px solid var(--line);border-radius:14px;padding:12px 14px;cursor:pointer}
.secenek b{width:26px;height:26px;border-radius:50%;background:var(--search);display:grid;place-items:center;font-size:13px;flex:none}
.secenek.dogru{border-color:var(--green);background:#EEF7EF}.secenek.yanlis{border-color:var(--red);background:#FDEEEE}
.secenek:disabled{cursor:default;color:var(--ink)}
.ogretmen{margin-top:14px;background:var(--deep);color:#fff;border-radius:16px;padding:14px 16px}
.ogretmen b{color:var(--accent)}.ogretmen.iyi b{color:#8BD39A}.ogretmen p{margin:6px 0 0;color:#E6E9EF}
.sonuc{text-align:center}.buyuk-puan{font-size:44px;font-weight:800;color:var(--accent)}
.sonuc .dugmeler{justify-content:center}
.kilitli{text-align:center}
/* Alt menü */
.alt-menu{position:fixed;left:0;right:0;bottom:0;background:#fff;border-top:1px solid var(--line);display:flex;justify-content:space-around;padding:8px 0 calc(8px + env(safe-area-inset-bottom));z-index:20}
.alt-menu a{display:flex;flex-direction:column;align-items:center;gap:2px;color:var(--grey);font-size:12.5px;min-width:72px;padding-bottom:4px;border-bottom:3px solid transparent}
.alt-menu a.aktif{color:var(--accent);font-weight:700;border-bottom-color:var(--accent)}
/* Giriş */
.giris{max-width:420px;margin:0 auto;padding:0 16px 40px}
.giris-ust{text-align:center;padding:40px 0 20px}
.giris-logo{width:120px;height:120px}
.giris-ust h1{margin:14px 0 4px}.giris-ust p{margin:0;color:var(--grey)}
.giris-form label{display:flex;flex-direction:column;gap:4px;font-weight:600;font-size:14px;margin-bottom:12px}
.giris-form input{border:1px solid var(--line);border-radius:12px;padding:12px;background:#fff;font-size:16px}
.giris-form label.onay{flex-direction:row;align-items:flex-start;gap:10px;font-weight:400;font-size:13px;line-height:1.45}
.giris-form label.onay input{width:20px;height:20px;padding:0;margin:1px 0 0;flex:none;accent-color:var(--gold, #b8860b)}
.giris-form .adim-baslik{margin:0 0 12px}
.giris-form .ntb-sg input{width:100%;box-sizing:border-box}
.hata{color:var(--red);font-size:14px}
/* Bilgi penceresi */
.perde{position:fixed;inset:0;background:rgba(16,28,48,.5);display:flex;align-items:center;justify-content:center;padding:20px;z-index:50}
.pencere{max-width:380px;width:100%}
/* Yan menü yalnız bilgisayarda */
.yan-menu{display:none}
.ana-ust section .kart{margin-bottom:0}
.ana-ust section+section{margin-top:0}
@media (min-width:700px){.izgara{grid-template-columns:repeat(4,1fr)}}

/* ---------- Bilgisayar ekranı (Metin, 26.10.2026: "telefon uygulaması gibi gözükmesin") ---------- */
@media (min-width:1024px){
  html,body{font-size:15.5px}
  .kabuk{display:grid;grid-template-columns:268px 1fr;min-height:100vh;background:linear-gradient(90deg,var(--deep) 265px,var(--accent) 265px 268px,transparent 268px)}
  .icerik{min-width:0}
  .alt-menu,.destek-yuzen{display:none}
  .sayfa{padding-top:28px;padding-bottom:64px}

  /* Sol menü: SpecPro'nun lacivert bandı, altın vurgu */
  .yan-menu{display:flex;flex-direction:column;position:sticky;top:0;height:100vh;overflow-y:auto;background:var(--deep);color:#fff;border-right:3px solid var(--accent);padding:22px 16px 18px}
  .yan-marka{display:flex;align-items:center;gap:12px;color:#fff;padding:0 6px 22px;border-bottom:1px solid rgba(255,255,255,.08);margin-bottom:14px}
  .yan-marka .logo{width:48px;height:48px}
  .yan-marka b{display:block;font-size:17px;letter-spacing:.2px}
  .yan-marka small{display:block;color:var(--accent);font-size:11px;font-weight:700;letter-spacing:2.4px}
  .yan-menu h6{margin:18px 10px 6px;font-size:11px;letter-spacing:1.4px;color:#7F8BA0;font-weight:700}
  .yan-grup{display:flex;flex-direction:column;gap:2px}
  .yan-grup a{display:flex;align-items:center;gap:12px;color:#C9D0DB;padding:9px 12px;border-radius:12px;font-weight:500;font-size:14.5px;transition:background .15s,color .15s}
  .yan-grup a .ic{width:20px;height:20px;color:#8E9AAE}
  .yan-grup a:hover{background:rgba(255,255,255,.06);color:#fff}
  .yan-grup a.aktif{background:rgba(185,148,77,.16);color:#fff;font-weight:700;box-shadow:inset 3px 0 0 var(--accent)}
  .yan-grup a.aktif .ic{color:var(--accent)}
  .yan-grup a span{flex:1}
  .yan-grup a em{font-style:normal;font-size:10.5px;font-weight:600;color:#7F8BA0;border:1px solid rgba(255,255,255,.12);border-radius:20px;padding:1px 7px}
  .yan-grup a.sonra{color:#9AA5B6}
  .yan-destek{margin-top:auto;display:flex;align-items:center;gap:12px;text-align:left;background:linear-gradient(160deg,#1E3050,#16253E);border:1px solid rgba(185,148,77,.45);color:#fff;border-radius:16px;padding:14px;cursor:pointer;transition:border-color .15s,transform .15s}
  .yan-destek:hover{border-color:var(--accent);transform:translateY(-1px)}
  .yan-destek .ic{width:26px;height:26px;color:var(--accent)}
  .yan-destek b{display:block;font-size:13.5px;line-height:1.3}
  .yan-destek small{color:var(--accent);font-size:13px;font-weight:600}
  .yan-hesap{display:flex;align-items:center;gap:10px;color:#8E9AAE;font-size:12.5px;padding:14px 8px 0;margin-top:14px;border-top:1px solid rgba(255,255,255,.08)}
  .yan-hesap .ic{width:18px;height:18px}
  .yan-hesap span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

  /* Üst bant: içerik genişliğinde, telefondaki logo yan menüde olduğu için gizli */
  .bant-ic,.sayfa{max-width:1180px;padding-left:40px;padding-right:40px}
  .bant .logo{display:none}
  .bant-ic.satir{padding-top:20px;padding-bottom:20px}
  .bant h2{font-size:22px}
  .bant.buyuk{position:relative;overflow:hidden;background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='520' height='220' fill='none' stroke='%23ffffff' stroke-opacity='.07' stroke-width='1.2'%3E%3Cpath d='M40 0v40l40 40v140M120 0v60l50 50v110M210 0v30l30 30v160M300 0v80l40 40v100M390 0v50l50 50v120M470 0v30l30 30v160'/%3E%3Ccircle cx='80' cy='80' r='4'/%3E%3Ccircle cx='170' cy='110' r='4'/%3E%3Ccircle cx='240' cy='60' r='4'/%3E%3Ccircle cx='340' cy='120' r='4'/%3E%3Ccircle cx='440' cy='100' r='4'/%3E%3C/svg%3E") right top no-repeat,
    linear-gradient(135deg,#1C2E4B 0%,var(--deep) 70%)}
  .bant.buyuk .bant-ic{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;padding-top:44px;padding-bottom:40px}
  .marka h1{font-size:34px;letter-spacing:-.4px}
  .marka p{font-size:16px;margin-top:6px}
  .sayaclar{margin-top:0;gap:14px}
  .sayac{min-width:140px;padding:14px 20px;border-radius:18px}
  .sayac b{font-size:28px;line-height:1.1}
  .sayac span{font-size:13.5px}

  /* Ana sayfa: üst iki kart yan yana, konular dörtlü ızgara */
  .bolum{margin:34px 2px 14px}
  .ana-ust .bolum{margin-top:6px}
  .ana-ust{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:24px}
  .ana-ust section{display:flex;flex-direction:column}
  .ana-ust .kart{flex:1}
  .kart{border-radius:20px;padding:22px 24px}
  .devam{min-height:100px}
  .devam b{font-size:19px}
  .gunluk{display:flex;flex-direction:column;justify-content:space-between;gap:12px}
  .gunluk .btn{align-self:flex-start}
  .izgara{gap:20px;grid-template-columns:repeat(3,1fr)}
  .yan-grup.konular{margin-bottom:18px}
  .konu-kart{padding:22px;border-radius:20px;transition:transform .15s,box-shadow .15s}
  .konu-kart:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(16,28,48,.10)}
  .konu-kart h4{font-size:18px}
  .konu-simge{width:52px;height:52px;border-radius:14px;background:var(--bg);display:grid;place-items:center}
  .konu-simge .ic{width:30px;height:30px}
  .konu-kart .btn{min-height:44px}
  .btn{transition:filter .15s,background .15s}
  .btn:hover{filter:brightness(1.12)}
  .btn:not(.birincil):hover{background:var(--bg);filter:none}

  /* Konu sayfası: dersler iki sütun */
  .konu-liste{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start}
  .konu-liste .kart{margin:0}
  .ders{border-radius:10px;padding:10px 8px}
  a.ders[href]:hover{background:var(--bg)}
  .aciklama{font-size:15px;margin:4px 2px 20px}

  /* Ders: okunaklı orta genişlik */
  .sayfa.dar{max-width:840px}
  .sayfa.dar .kart{padding:32px 36px}
  .sayfa.dar .gorsel{aspect-ratio:16/9}
  .ders-metin{font-size:18px}
  .secenek{padding:14px 16px;transition:border-color .15s}
  .secenek:not(:disabled):hover{border-color:var(--accent)}

  .giris{padding-top:40px}
  .perde .pencere{max-width:440px}
}
@media (min-width:1280px){.izgara{grid-template-columns:repeat(4,1fr)}}
@media (min-width:1440px){
  .bant-ic,.sayfa{max-width:1280px}
}
.alt-grup{margin-top:18px}.alt-grup h3.bolum{font-size:19px;color:var(--navy);letter-spacing:0;margin:22px 2px 10px}.alt-grup h3.bolum small{display:block;font-weight:500;letter-spacing:0;text-transform:none;color:var(--grey);font-size:13px;margin-top:2px}
.gorsel.resimli{aspect-ratio:auto;padding:0;background:none;display:block;text-align:left}.gorsel.resimli img{display:block;width:100%;height:auto;max-height:min(60vh,480px);object-fit:contain;border-radius:16px;background:var(--search)}.gorsel.resimli .kaynak{font-size:12px;color:var(--grey);margin-top:6px;line-height:1.4}
.sayfa.dar .gorsel.resimli{aspect-ratio:auto}
/* Dil seçimi */
.dil-sec{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}.giris .dil-sec{justify-content:center;margin-top:14px}.dil-sec .btn{min-height:38px;padding:7px 14px}
/* Sağdan sola (Arapça) */
[dir=rtl] .etiket{right:auto;left:12px}
[dir=rtl] .secenek,[dir=rtl] .yan-destek{text-align:right}
[dir=rtl] .not{border-left:0;border-right:4px solid var(--accent)}
[dir=rtl] .destek-yuzen{right:auto;left:16px}
@media (min-width:820px){[dir=rtl] .destek-yuzen{right:auto;left:calc(50% - 400px)}}
@media (min-width:1024px){[dir=rtl] .yan-menu{border-right:0;border-left:3px solid var(--accent)}[dir=rtl] .kabuk{background:linear-gradient(270deg,var(--deep) 265px,var(--accent) 265px 268px,transparent 268px)}}
[dir=rtl] .gorsel.resimli{text-align:right}

/* ---------- Modern görünüm (Metin 27.10; ana uygulama ve ERP ile aynı lacivert-altın jetonlar) ---------- */
/* Üst bantlar: yumuşak lacivert geçiş, ince devre çizgileri, altın alt çizgi */
.bant{background:linear-gradient(135deg,#1E3150 0%,var(--deep) 75%);border-bottom:0;box-shadow:inset 0 -2px 0 var(--accent),0 6px 20px rgba(16,28,48,.18)}
.bant.buyuk{background:
  url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='360' height='200' fill='none' stroke='%23ffffff' stroke-opacity='.08' stroke-width='1.2'%3E%3Cpath d='M30 0v40l30 30v130M110 0v60l40 40v100M200 0v30l30 30v140M290 0v70l30 30v100'/%3E%3Ccircle cx='60' cy='70' r='3.5'/%3E%3Ccircle cx='150' cy='100' r='3.5'/%3E%3Ccircle cx='230' cy='60' r='3.5'/%3E%3Ccircle cx='320' cy='100' r='3.5'/%3E%3C/svg%3E") right top no-repeat,
  radial-gradient(120% 90% at 100% 0%,rgba(185,148,77,.22),transparent 55%),
  linear-gradient(160deg,#20355A 0%,var(--deep) 70%);border-radius:0 0 28px 28px;box-shadow:inset 0 -2px 0 var(--accent),0 10px 28px rgba(16,28,48,.22)}
.bant.buyuk .bant-ic{padding:26px 18px 24px}
.logo{box-shadow:0 0 0 2px rgba(185,148,77,.55),0 6px 18px rgba(0,0,0,.25)}
.logo.kucuk{box-shadow:0 0 0 1.5px rgba(185,148,77,.6)}
.sayac{background:linear-gradient(160deg,rgba(255,255,255,.14),rgba(255,255,255,.05));border-color:rgba(255,255,255,.2);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
.sayac b{color:#fff}
.bolum{display:flex;align-items:center;gap:8px;font-weight:700;color:var(--navy);letter-spacing:.8px;font-size:12.5px}
.bolum::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);flex:none}
.alt-grup h3.bolum::before{display:none}
/* Kartlar, düğmeler */
.kart{border-radius:22px;box-shadow:0 6px 22px rgba(20,41,90,.06)}
.btn.birincil{background:linear-gradient(160deg,#22385E,var(--navy));border-color:transparent;box-shadow:0 6px 16px rgba(21,36,61,.25)}
.btn{transition:transform .12s,filter .15s}.btn:active{transform:scale(.98)}
.konu-kart{border:1px solid var(--line);box-shadow:0 6px 22px rgba(20,41,90,.07);overflow:hidden}
.konu-kart:not(.pasif)::after{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:linear-gradient(90deg,var(--accent),#E2C88F)}
.konu-simge{width:52px;height:52px;border-radius:16px;background:linear-gradient(160deg,var(--gold-soft),#fff);display:grid;place-items:center;border:1px solid rgba(185,148,77,.25)}
.konu-simge .ic{width:30px;height:30px;color:var(--navy)}
.konu .no{background:linear-gradient(160deg,var(--accent),#D9BC7F);color:#fff;font-weight:700}
.ilerleme i{background:linear-gradient(90deg,var(--accent),#E2C88F)}
/* Alt menü: buzlu bant, etkin sekme altın kapsül */
.alt-menu{background:rgba(255,255,255,.98);-webkit-backdrop-filter:blur(16px) saturate(160%);backdrop-filter:blur(16px) saturate(160%);border-top:1px solid rgba(21,36,61,.08);box-shadow:0 -6px 20px rgba(20,41,90,.06)}
.alt-menu a{border-bottom:0;padding:4px 0}
.alt-menu a .ic{padding:4px 14px;width:52px;height:30px;border-radius:16px;transition:background .15s}
.alt-menu a.aktif .ic{background:rgba(185,148,77,.18)}
/* Mühendislik desteği: telefonda her sayfada sabit, belirgin altın kapsül (Metin 08.11: "biraz daha belirgin olsun, her sayfada sabit kalsın") */
@media (max-width:1023px){
  .destek-yuzen{width:auto;max-width:calc(100% - 32px);height:auto;flex-direction:row;align-items:center;gap:10px;text-align:left;padding:10px 18px 10px 12px;border-radius:30px;
    background:linear-gradient(160deg,#D9BC7F,var(--accent));color:var(--deep);box-shadow:0 0 0 2px #fff,0 10px 26px rgba(16,28,48,.38)}
  .destek-yuzen .ic{width:34px;height:34px;padding:7px;box-sizing:border-box;border-radius:50%;background:var(--deep);color:var(--accent);flex:none}
  .destek-yuzen span{display:flex;flex-direction:column;min-width:0}
  .destek-yuzen b{font-size:15px;line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .destek-yuzen small{color:var(--deep);opacity:.8;font-size:12px;font-weight:600;white-space:nowrap}
  .destek-yuzen.alt-yok{bottom:calc(16px + env(safe-area-inset-bottom))}
}
/* Cam (yalnız html.cam: ana sayfa, konu listeleri, hesap sayfaları, giriş) */
html.cam,html.cam body{background:linear-gradient(165deg,#E3E9F3 0%,#F4F1EA 55%,#F3E6CB 100%) fixed}
html.cam :is(.kart,.konu-kart){background:linear-gradient(160deg,rgba(255,255,255,.62),rgba(255,255,255,.48));-webkit-backdrop-filter:blur(18px) saturate(160%);backdrop-filter:blur(18px) saturate(160%);border-color:rgba(255,255,255,.85);box-shadow:0 10px 30px rgba(20,41,90,.08)}
html.cam .konu-kart.pasif{opacity:.92}
html.cam .ders{border-top-color:rgba(21,36,61,.08)}
html.cam .seviye{background:rgba(255,255,255,.7)}
html.cam .seviye.orta{background:#E1E8F3}
html.cam .seviye.ileri{background:var(--navy)}
html.cam .giris-form input{background:rgba(255,255,255,.85)}
/* Ders okuma sayfası düz ve yüksek karşıtlıklı */
.sayfa.dar .kart{background:#fff;border-color:var(--line)}
.ders-metin{color:#101B2E}
/* Kartların belirmesi (oturumda ekran başına bir kez) */
@keyframes akGir{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.gir{animation:akGir .45s cubic-bezier(.2,.8,.2,1) both}
@media (prefers-reduced-motion:reduce){.gir{animation:none}.btn{transition:none}}
@media (min-width:1024px){.bant.buyuk{border-radius:0}.bant{box-shadow:inset 0 -3px 0 var(--accent)}}
/* Dil kutusu ve ilk açılış adımları (ana uygulamadaki gibi) */
.dil-kutu{background:#fff;border:1.5px solid var(--navy);border-radius:14px;overflow:hidden;margin:6px 0 10px}
.dil-bas,.dil-satir{display:flex;align-items:center;gap:12px;width:100%;background:none;border:0;padding:14px 16px;cursor:pointer;text-align:start;color:var(--ink)}
.dil-bas b{flex:1;font-size:17px}.dil-bas .kure{font-size:18px}.dil-bas .ok-isaret{color:var(--accent);font-size:13px}
.dil-satir{border-top:1px solid var(--line);font-size:16px}.dil-satir span{flex:1}
.dil-satir.secili{background:#F6EFD9;font-weight:700}.dil-satir.secili b{color:var(--accent);font-size:17px}
.adim-ust{padding:34px 0 6px}
.marka-giris{display:flex;align-items:center;gap:14px}
.marka-giris .logo{width:56px;height:56px}.marka-giris .logo.buyuk-logo{width:84px;height:84px}
.marka-giris h1{margin:0;font-size:26px;color:var(--ink)}.marka-giris p{margin:2px 0 0;color:var(--grey);font-size:13.5px}
.adim-cubuk{display:flex;gap:8px;margin:26px 0 6px}.adim-cubuk i{flex:1;height:5px;border-radius:3px;background:var(--line)}.adim-cubuk i.dolu{background:var(--accent)}
.adim-baslik{font-size:22px;margin:18px 0 8px}
.giris .btn.tam{margin-top:10px}
.dil-hesap{display:block;width:100%;margin:22px 0 0;background:none;border:0;color:var(--grey);font-size:13.5px;text-align:center;padding:12px;cursor:pointer}
.marka-notu{font-size:11.5px;line-height:1.5;color:var(--grey);margin:18px 4px 0}
/* Bunu işte kullan: NTB SpecPro */
.kart.is-te{display:flex;align-items:center;gap:14px;margin-top:22px;background:linear-gradient(150deg,#20355A,var(--deep));color:#fff;border-color:rgba(185,148,77,.5)}
html.cam .kart.is-te{background:linear-gradient(150deg,#20355A,var(--deep))}
.is-te .logo{width:46px;height:46px}.is-te div{flex:1}.is-te small{color:var(--accent);font-weight:700;letter-spacing:.4px}.is-te b{display:block;font-size:18px}.is-te p{margin:2px 0 0;color:var(--sub);font-size:13.5px}.is-te .ok{color:var(--accent);font-size:28px}
[dir=rtl] .is-te .ok{transform:scaleX(-1)}

/* Final examination and owner-only completion documents. */
.sinav-kurslar,.belge-listesi{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:16px}
.sinav-kurslar .kart,.belge-listesi .kart{margin:0 0 16px;min-width:0}
.sinav-durum{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.sinav-secenekler{border:0;padding:0;margin:20px 0;display:grid;gap:12px;min-width:0}
.sinav-secenek{display:flex;gap:12px;align-items:flex-start;border:1px solid #b9c7d7;border-radius:12px;padding:16px;cursor:pointer;overflow-wrap:anywhere;background:#fff;color:#13253f}
.sinav-secenek.secili{border-color:#255aa7;background:#ecf3ff;box-shadow:inset 0 0 0 1px #255aa7}
.sinav-secenek input,.sinav-onay input{width:20px!important;height:20px;flex:0 0 20px;margin:2px 0 0!important;accent-color:#255aa7}
.sinav-onay{display:flex;gap:10px;align-items:flex-start;margin:18px 0;line-height:1.6}
[data-exam-start] input[name=fullName]{width:100%;box-sizing:border-box;padding:12px;font:inherit;border:1px solid #a9b8ca;border-radius:8px;margin-top:8px}
.sinav-numaralar{display:grid;grid-template-columns:repeat(auto-fit,minmax(44px,1fr));gap:8px;margin:18px 0}
.sinav-numaralar button{min-height:44px;border:1px solid #b9c7d7;border-radius:8px;background:#fff;color:#13253f;font:inherit;cursor:pointer}
.sinav-numaralar button.yanitli{background:#e3f4ed;border-color:#568e76}
.sinav-numaralar button[aria-current]{outline:3px solid #255aa7;outline-offset:1px}
.sinav-ust+.soru .dugmeler,.belge-karti .dugmeler{flex-wrap:wrap;gap:10px}
.sinav-ust+.soru .dugmeler .btn{flex:1;min-width:80px}
.belge-karti dl{display:flex;flex-wrap:wrap;gap:22px;font-size:14px}
.belge-karti dt{color:#617084}.belge-karti dd{margin:4px 0 0;font-weight:600}
.belge-kodu{font-family:monospace;overflow-wrap:anywhere}.belge-isim{font-size:20px;font-weight:600;overflow-wrap:anywhere}
.sinav-sonuc{text-align:center}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.btn:disabled,.sinav-numaralar button:disabled{opacity:.6;cursor:wait}
@media(max-width:420px){.sinav-secenek{padding:12px}.sinav-durum{font-size:14px}}

/* Cihaz kuralı uyarısı (CG-A025) */
.cihaz-uyari { margin: 12px 16px 0; padding: 10px 14px; border-radius: 8px; background: #fff4e5; color: #6b3d00; border: 1px solid #f0c27b; font-size: 14px; }
.cihaz-uyari a { color: inherit; font-weight: 600; }
/* Mühendislere sor */
.soru-etiket{display:block;font-weight:700;font-size:14px;margin:12px 0 4px;color:var(--navy)}
.soru-etiket select,.soru-metin{display:block;width:100%;box-sizing:border-box;margin-top:6px;border:1px solid var(--line);border-radius:14px;padding:11px 12px;font:inherit;font-weight:400;background:#fff;color:var(--ink)}
.soru-metin{resize:vertical;min-height:96px}
.soru-satir{display:flex;align-items:center;gap:10px;color:inherit;text-decoration:none}.soru-satir>div{flex:1;min-width:0}
.soru-satir b{display:block;margin:4px 0;overflow-wrap:anywhere}.soru-satir .ok{font-size:22px;color:var(--grey)}
.soru-durum{display:inline-block;font-weight:700;color:var(--gold-ink)}.soru-durum.cevaplandi{color:var(--green)}.soru-durum.kapandi{color:var(--grey)}
.soru-mesaj{background:var(--gold-soft);color:var(--gold-ink);border-radius:14px;padding:10px 14px;font-weight:600}
.soru-akis{display:flex;flex-direction:column;gap:10px;margin:0 0 14px}
.soru-balon{max-width:86%;border-radius:18px;padding:10px 14px;background:#fff;border:1px solid var(--line)}
.soru-balon p{margin:4px 0 0;overflow-wrap:anywhere}.soru-balon small{color:var(--grey);font-size:12px}
.soru-balon.ben{align-self:flex-end;background:var(--navy);color:#fff;border-color:var(--navy)}.soru-balon.ben small{color:var(--sub)}
.soru-balon.muhendis{align-self:flex-start}
.soru-ust h3{overflow-wrap:anywhere}