/* Önce telefon (360-430 px). Dokunma hedefi en az 48 px. Yatay kaydırma yok. */
:root {
  /* Yol teması: asfalt üst bant, sarı yol çizgisi. Seçili sarı, doğru yeşil, yanlış kırmızı (trafik lambası). */
  --zemin: #f7f5f0; --yuzey: #fff; --metin: #1c1917; --soluk: #5e6168; --cizgi: #e4e0d6;
  --bant: #1f2a33; --bant-metin: #f4f1ea; --serit: #f5b700;
  --ana: #f5b700; --ana-acik: #fff4d1; --ana-metin: #1c1917; --ana-cizgi: #b57c00; --ana-yazi: #8a5300;
  --dogru: #157347; --dogru-zemin: #e6f4ec; --yanlis: #b42318; --yanlis-zemin: #fdecea;
  --uyari: #b45309; --golge: 0 1px 2px rgba(28, 25, 23, .06), 0 1px 3px rgba(28, 25, 23, .08);
  --r: 12px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --zemin: #121417; --yuzey: #1b1f24; --metin: #ece9e2; --soluk: #a3a6ad; --cizgi: #2e333a;
    --bant: #0b0d10; --bant-metin: #ece9e2; --serit: #fcc419;
    --ana: #fcc419; --ana-acik: #2d2612; --ana-metin: #14110a; --ana-cizgi: #fcc419; --ana-yazi: #fcd34d;
    --dogru: #4ccb8a; --dogru-zemin: #12291f; --yanlis: #ff8a7f; --yanlis-zemin: #331a18;
    --golge: none; color-scheme: dark;
  }
  .soru-gorsel, .secenek img { background: #fff; border-radius: 6px; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--zemin); color: var(--metin);
  font: 17px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
a { color: var(--ana-yazi); }
img { max-width: 100%; height: auto; }
h1 { font-size: 1.55rem; line-height: 1.25; margin: .4rem 0 .6rem; }
h2 { font-size: 1.2rem; margin: 1.8rem 0 .7rem; }
.kap { max-width: 860px; margin: 0 auto; padding: 0 16px; }
.atla { position: absolute; left: -999px; }
.atla:focus { left: 8px; top: 8px; background: var(--yuzey); padding: 8px; z-index: 9; }
.kucuk { font-size: .88rem; color: var(--soluk); }
.giris { color: var(--soluk); margin: 0 0 1rem; }
[hidden] { display: none !important; }

/* Üst */
.ust { background: var(--bant); color: var(--bant-metin); position: relative; }
.ust::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 4px;
  background: repeating-linear-gradient(90deg, var(--serit) 0 28px, transparent 28px 44px);
}
.ust-ic { padding-bottom: 4px; }
.ust-ic { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 56px; flex-wrap: wrap; }
.logo { display: flex; align-items: center; gap: 8px; font-weight: 700; color: var(--bant-metin); text-decoration: none; min-height: 48px; }
.menu { display: flex; gap: 2px; overflow-x: auto; scrollbar-width: none; max-width: 100%; }
.menu a { padding: 12px 10px; color: var(--bant-metin); text-decoration: none; font-size: .95rem; white-space: nowrap; border-radius: 8px; }
.menu a:hover { background: rgba(255, 255, 255, .1); }
.rozet { display: inline-block; min-width: 20px; margin-left: 4px; padding: 0 6px; border-radius: 10px; background: var(--serit); color: #1c1917; font-weight: 700; font-size: .75rem; text-align: center; }
@media (max-width: 560px) {
  .ust-ic { padding-top: 4px; padding-bottom: 6px; }
  .menu { width: calc(100% + 16px); margin: 0 -8px; justify-content: space-between; }
  .menu a { padding: 12px 8px; font-size: .92rem; }
  .genis { display: none; }
}

.yol ol { list-style: none; display: flex; flex-wrap: wrap; gap: 4px; padding: 10px 0 0; margin: 0; font-size: .85rem; color: var(--soluk); }
.yol li + li::before { content: "›"; margin-right: 4px; }
.yol a { color: var(--soluk); }

main { padding-bottom: 2rem; }

/* Düğmeler */
.dugme {
  display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 10px 18px;
  border: 1px solid var(--ana-cizgi); border-radius: 10px; background: var(--ana); color: var(--ana-metin);
  font: inherit; font-weight: 600; text-decoration: none; cursor: pointer;
}
.dugme.ikincil { background: var(--yuzey); color: var(--metin); border-color: var(--ana-cizgi); }
.dugme.buyuk { width: 100%; }
@media (min-width: 560px) { .dugme.buyuk { width: auto; } }
.baglanti { background: none; border: 0; color: var(--ana-yazi); font: inherit; font-weight: 600; cursor: pointer; min-height: 44px; padding: 0 8px; }

/* Vitrin ve kartlar */
.vitrin { padding: 1rem 0 .5rem; }
.vitrin h1 { font-size: 1.8rem; }
.vitrin-dugmeler { display: flex; flex-wrap: wrap; gap: 10px; margin: 1rem 0; }
.ozet { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; margin: .5rem 0; }
.ozet li { background: var(--ana-acik); border-radius: 999px; padding: 4px 12px; font-size: .92rem; }
.dagilim { display: flex; flex-wrap: wrap; gap: 6px; font-size: .82rem; color: var(--soluk); margin: .3rem 0 1rem; }
.dagilim span { border: 1px solid var(--cizgi); border-radius: 999px; padding: 2px 10px; }
.kartlar { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr; gap: 10px; }
@media (min-width: 560px) { .kartlar { grid-template-columns: 1fr 1fr; } }
.kartlar a {
  display: flex; flex-direction: column; justify-content: center; min-height: 56px; padding: 12px 14px;
  background: var(--yuzey); border: 1px solid var(--cizgi); border-radius: var(--r); box-shadow: var(--golge);
  color: var(--metin); text-decoration: none;
}
.kartlar a:hover { border-color: var(--ana-cizgi); }
.kart-baslik { font-weight: 600; }
.kart-alt { font-size: .85rem; color: var(--soluk); }
.kucuk-kart { grid-template-columns: 1fr 1fr; }
.kucuk-kart a { min-height: 48px; font-size: .92rem; }

/* Sınav */
.sinav-bas { margin-bottom: 1rem; }
.baslat { display: grid; gap: 10px; margin-top: 1rem; }
.sorular { list-style: none; padding: 0; margin: 0; counter-reset: none; }
.soru {
  background: var(--yuzey); border: 1px solid var(--cizgi); border-radius: var(--r); box-shadow: var(--golge);
  padding: 14px; margin: 0 0 14px; scroll-margin-top: 120px;
}
.soru-ust { display: flex; justify-content: space-between; margin: 0 0 6px; font-size: .85rem; color: var(--soluk); }
.soru-ust .no { font-weight: 700; color: var(--metin); font-size: 1rem; }
.soru-metin { font-weight: 600; margin: 6px 0 12px; }
.soru-gorsel { display: block; margin: 4px auto 8px; max-height: 320px; width: auto; }
.secenekler { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.secenekler.gorselli { grid-template-columns: 1fr 1fr; }
.secenek {
  width: 100%; min-height: 52px; display: flex; align-items: center; gap: 10px; text-align: left;
  padding: 10px 12px; border: 1.5px solid var(--cizgi); border-radius: 10px; background: var(--yuzey);
  color: var(--metin); font: inherit; cursor: pointer; -webkit-tap-highlight-color: transparent;
}
.secenek:disabled { cursor: default; opacity: 1; }
.gorselli .secenek { flex-direction: column; justify-content: center; }
.gorselli .secenek img { max-height: 120px; width: auto; }
.harf {
  flex: none; width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center;
  border: 1.5px solid var(--cizgi); font-weight: 700; font-size: .9rem;
}
.gorselli .harf { align-self: flex-start; }
.secenek:not(:disabled):hover { border-color: var(--ana-cizgi); }
.secenek.secili { border-color: var(--ana-cizgi); background: var(--ana-acik); }
.secenek.secili .harf { background: var(--ana); color: var(--ana-metin); border-color: var(--ana); }
.secenek.dogru { border-color: var(--dogru); background: var(--dogru-zemin); }
.secenek.dogru .harf { background: var(--dogru); border-color: var(--dogru); color: #fff; }
.secenek.dogru .harf::after { content: "✓"; position: absolute; }
.secenek.yanlis { border-color: var(--yanlis); background: var(--yanlis-zemin); }
.secenek.yanlis .harf { background: var(--yanlis); border-color: var(--yanlis); color: #fff; }
.secenek.dogru .harf, .secenek.yanlis .harf { font-size: 0; position: relative; }
.secenek.dogru .harf::after, .secenek.yanlis .harf::after { font-size: 1rem; }
.secenek.yanlis .harf::after { content: "✕"; position: absolute; }
.cevap { margin-top: 10px; font-size: .95rem; }
.cevap summary { cursor: pointer; color: var(--ana-yazi); font-weight: 600; min-height: 40px; display: flex; align-items: center; }
.cevap p { margin: .4rem 0; }
.aciklama { background: var(--ana-acik); border-left: 4px solid var(--ana); border-radius: 8px; padding: 8px 10px; }

/* JS ile: panel, gezinti, tek soru */
.panel {
  position: sticky; top: 0; z-index: 5; background: var(--zemin); padding: 8px 0; margin-bottom: 10px;
  border-bottom: 1px solid var(--cizgi);
}
.panel-ust { display: flex; align-items: center; justify-content: space-between; gap: 10px; font-weight: 600; }
.sayac-sure.az { color: var(--yanlis); }
.izgara { display: flex; gap: 4px; overflow-x: auto; padding: 6px 0 2px; scrollbar-width: thin; }
.izgara button {
  flex: none; width: 40px; height: 40px; border-radius: 8px; border: 1px solid var(--cizgi); background: var(--yuzey);
  color: var(--metin); font: inherit; font-size: .85rem; cursor: pointer;
}
.izgara button.cevapli { background: var(--ana-acik); border-color: var(--ana-cizgi); }
.izgara button.dogru { background: var(--dogru-zemin); border-color: var(--dogru); }
.izgara button.yanlis { background: var(--yanlis-zemin); border-color: var(--yanlis); }
.izgara button.simdi { outline: 2px solid var(--ana-cizgi); outline-offset: 1px; }
.tek .soru { display: none; }
.tek .soru.simdi { display: block; }
.gezinti { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

/* Sonuç */
.sonuc { background: var(--yuzey); border: 1px solid var(--cizgi); border-radius: var(--r); padding: 18px; margin: 14px 0; box-shadow: var(--golge); }
.puan { font-size: 3rem; font-weight: 800; line-height: 1; margin: 6px 0; }
.gecti { color: var(--dogru); } .kaldi { color: var(--yanlis); }
.sonuc table { width: 100%; border-collapse: collapse; margin: 10px 0; font-size: .95rem; }
.sonuc td, .sonuc th { padding: 6px 4px; border-bottom: 1px solid var(--cizgi); text-align: left; }
.sonuc-dugmeler { display: grid; gap: 8px; margin-top: 12px; }
@media (min-width: 560px) { .sonuc-dugmeler { grid-template-columns: 1fr 1fr; } }
.sadece-yanlis .soru:not(.y) { display: none; }

/* İlgili */
.onceki-sonraki { display: grid; gap: 8px; margin: 1rem 0; }
.onceki-sonraki a { display: flex; align-items: center; min-height: 48px; padding: 8px 12px; border: 1px solid var(--cizgi); border-radius: 10px; background: var(--yuzey); text-decoration: none; }
@media (min-width: 560px) { .onceki-sonraki { grid-template-columns: 1fr 1fr; } .onceki-sonraki a[rel=next] { justify-content: flex-end; text-align: right; } }

/* Bilgi */
.bilgi section { margin-bottom: 1rem; }
.tablo-kap { overflow-x: auto; }
.bilgi table { border-collapse: collapse; width: 100%; background: var(--yuzey); }
.bilgi th, .bilgi td { border: 1px solid var(--cizgi); padding: 8px 10px; text-align: left; }
.sss { background: var(--yuzey); border: 1px solid var(--cizgi); border-radius: 10px; margin-bottom: 8px; padding: 0 12px; }
.sss summary { min-height: 48px; display: flex; align-items: center; cursor: pointer; font-weight: 600; }
.hesap { background: var(--yuzey); border: 1px solid var(--cizgi); border-radius: var(--r); padding: 14px; }
.hesap input { font: inherit; font-size: 1.2rem; width: 120px; min-height: 48px; padding: 6px 10px; border: 1px solid var(--cizgi); border-radius: 8px; background: var(--zemin); color: var(--metin); margin: 6px 0; display: block; }
.hesap-sonuc { font-weight: 700; }

/* Alt */
.alt { border-top: 1px solid var(--cizgi); background: var(--yuzey); padding: 1rem 0 2rem; margin-top: 2rem; }
.alt-linkler { display: flex; flex-wrap: wrap; gap: 4px 14px; }
.alt-linkler a { min-height: 44px; display: inline-flex; align-items: center; }
.onay {
  position: fixed; left: 8px; right: 8px; bottom: 8px; z-index: 10; background: var(--yuzey); border: 1px solid var(--cizgi);
  border-radius: var(--r); padding: 12px; box-shadow: 0 4px 16px rgba(0, 0, 0, .15); display: flex; flex-wrap: wrap; gap: 8px; align-items: center; justify-content: space-between;
}
.onay p { margin: 0; font-size: .92rem; }
.onay div { display: flex; gap: 8px; }