/* Davranışın Biyolojisi — etkileşimli öğrenme notları */
:root {
  --bg: #fbf7f0; --kart: #ffffff; --kart-2: #f6f0e6; --cizgi: #e6ddcf; --cizgi-2: #d8ccb9;
  --murekkep: #14263a; --murekkep-2: #2b3c4e; --soluk: #5d6b78;
  --teal: #1a5c64; --teal-acik: #ddedec; --turuncu: #a44a0c; --seftali: #f7e6d8;
  --mor: #633270; --lavanta: #eee4f0; --kirmizi: #a8231a; --yesil: #2a7448; --sari: #8a6510;
  --yesil-z: #e3f1e8; --sari-z: #f8efd6; --kirmizi-z: #f9e1dd; --gri-z: #e9edf2;
  --golge: 0 1px 2px rgba(20, 38, 58, .06), 0 6px 20px rgba(20, 38, 58, .06);
  --serif: "Lora", Georgia, "Times New Roman", serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --yan: 272px; --icerik: 780px; --ust-y: 56px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #11161d; --kart: #18202a; --kart-2: #1d2733; --cizgi: #2a3644; --cizgi-2: #374555;
    --murekkep: #e9edf2; --murekkep-2: #cfd7e0; --soluk: #98a6b5;
    --teal: #6fc3cc; --teal-acik: #17343a; --turuncu: #f0a36a; --seftali: #3a2618;
    --mor: #c9a2d8; --lavanta: #2c2033; --kirmizi: #f08a80; --yesil: #7cd29d; --sari: #e8c66a;
    --yesil-z: #173326; --sari-z: #33290f; --kirmizi-z: #3a1c19; --gri-z: #233040;
    --golge: 0 1px 2px rgba(0, 0, 0, .3), 0 6px 20px rgba(0, 0, 0, .25);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { scroll-padding-top: calc(var(--ust-y) + 118px); -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--murekkep); font: 400 17px/1.65 var(--sans); }
a { color: var(--teal); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--turuncu); outline-offset: 2px; border-radius: 4px; }
img { max-width: 100%; height: auto; }
h1, h2, h3, h4 { font-family: var(--serif); color: var(--murekkep); line-height: 1.25; }
h2[tabindex], h1[tabindex] { outline: none; }
.gizli { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.atla { position: absolute; left: -999px; top: 8px; z-index: 50; background: var(--murekkep); color: var(--bg); padding: 8px 14px; border-radius: 8px; }
.atla:focus { left: 8px; }

/* Üst çubuk */
.ust { position: sticky; top: 0; z-index: 30; display: flex; align-items: center; gap: 16px; height: var(--ust-y);
  padding: 0 20px; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--cizgi); }
.geri { color: var(--soluk); text-decoration: none; font-size: 14px; white-space: nowrap; }
.geri:hover { color: var(--murekkep); }
.marka { font: 700 18px/1 var(--serif); color: var(--murekkep); text-decoration: none; white-space: nowrap; }
.ara { position: relative; margin-left: auto; width: min(360px, 40vw); }
.ara input { width: 100%; height: 36px; padding: 0 12px 0 34px; border: 1px solid var(--cizgi-2); border-radius: 999px;
  background: var(--kart) no-repeat 12px center / 15px; color: var(--murekkep); font: 400 15px var(--sans);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235d6b78' stroke-width='2.4' stroke-linecap='round'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='m20 20-3.5-3.5'/%3E%3C/svg%3E"); }
.ara input:focus { outline: none; border-color: var(--teal); box-shadow: 0 0 0 3px var(--teal-acik); }
.ara-sonuc { position: absolute; right: 0; top: 44px; width: min(520px, calc(100vw - 24px)); max-height: min(70vh, 560px);
  overflow: auto; background: var(--kart); border: 1px solid var(--cizgi); border-radius: 14px; box-shadow: var(--golge); padding: 6px; }
.ara-sonuc button { display: block; width: 100%; text-align: left; border: 0; background: none; padding: 10px 12px; border-radius: 10px;
  color: var(--murekkep); font: 400 14px/1.45 var(--sans); cursor: pointer; }
.ara-sonuc button:hover, .ara-sonuc button:focus-visible { background: var(--kart-2); }
.ara-sonuc .yer { display: block; font-size: 12px; font-weight: 600; color: var(--teal); margin-bottom: 2px; }
.ara-sonuc mark { background: var(--sari-z); color: inherit; border-radius: 3px; padding: 0 1px; }
.ara-sonuc .bos { padding: 12px; color: var(--soluk); font-size: 14px; margin: 0; }
.menu-dugme { display: none; height: 36px; padding: 0 14px; border-radius: 999px; border: 1px solid var(--cizgi-2);
  background: var(--kart); color: var(--murekkep); font: 600 14px var(--sans); cursor: pointer; }

/* Düzen */
.duzen { display: grid; grid-template-columns: var(--yan) minmax(0, 1fr); max-width: calc(var(--yan) + var(--icerik) + 140px); margin: 0 auto; }
.yan { position: sticky; top: var(--ust-y); align-self: start; height: calc(100vh - var(--ust-y)); overflow: auto;
  padding: 20px 12px 40px 20px; border-right: 1px solid var(--cizgi); }
.nav-baslik { margin: 18px 8px 6px; font: 600 11px/1.2 var(--sans); letter-spacing: .08em; text-transform: uppercase; color: var(--soluk); }
.nav-liste { list-style: none; margin: 0; padding: 0; }
.nav-liste a { display: grid; grid-template-columns: 26px 1fr auto; align-items: start; gap: 8px; padding: 6px 8px; border-radius: 10px;
  color: var(--murekkep-2); text-decoration: none; font-size: 14px; line-height: 1.35; }
.nav-liste a:hover { background: var(--kart-2); }
.nav-liste a[aria-current="page"] { background: var(--teal-acik); color: var(--murekkep); font-weight: 600; }
.nav-no { display: inline-grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; background: var(--kart);
  border: 1px solid var(--cizgi-2); font: 600 12px/1 var(--sans); color: var(--teal); }
.nav-durum { font-size: 12px; color: var(--yesil); white-space: nowrap; padding-top: 3px; }
.ilerleme { margin: 22px 8px 0; font-size: 13px; color: var(--soluk); }
main { min-width: 0; padding: 28px 40px 64px; }
main:focus { outline: none; }

/* Görünümler: JS varken yalnızca etkin olan gösterilir */
html.js .view { display: none; }
html.js .view.aktif { display: block; animation: belir .2s ease; }
@keyframes belir { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }
.view { max-width: var(--icerik); }
html:not(.js) .view + .view { margin-top: 72px; padding-top: 32px; border-top: 2px solid var(--cizgi); }

/* Giriş */
.kahraman { padding: 18px 0 8px; }
.ust-baslik { margin: 0 0 8px; font: 600 12px/1.4 var(--sans); letter-spacing: .08em; text-transform: uppercase; color: var(--turuncu); }
.kahraman h1 { margin: 0; font-size: clamp(36px, 6vw, 56px); letter-spacing: -.01em; }
.alt-baslik { margin: 6px 0 18px; font: italic 500 clamp(18px, 2.4vw, 22px)/1.4 var(--serif); color: var(--teal); }
.kahraman-metin { font-size: 18px; color: var(--murekkep-2); max-width: 66ch; }
.kahraman-dugmeler { display: flex; flex-wrap: wrap; gap: 10px; margin: 22px 0 8px; }
.dugme { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 0 18px; border-radius: 999px; border: 1px solid var(--murekkep);
  background: var(--murekkep); color: var(--bg); font: 600 15px var(--sans); text-decoration: none; cursor: pointer; }
.dugme:hover { background: var(--murekkep-2); }
.dugme-ikincil { background: transparent; color: var(--murekkep); border-color: var(--cizgi-2); }
.dugme-ikincil:hover { background: var(--kart); }
.bolum-baslik { margin: 44px 0 14px; font-size: 24px; }
.kurallar ol { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.kurallar li { background: var(--kart); border: 1px solid var(--cizgi); border-radius: 14px; padding: 16px 18px; font: 600 17px/1.4 var(--serif); box-shadow: var(--golge); }
.kural-no { display: block; font: 700 12px var(--sans); color: var(--turuncu); letter-spacing: .08em; margin-bottom: 6px; }
.kural-no::before { content: "KURAL "; }
.lejantlar { display: grid; grid-template-columns: 1.2fr 1fr; gap: 28px; }
.adim-lejant { margin: 0; padding-left: 22px; }
.adim-lejant li { margin: 3px 0; }
.hukum-lejant { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.hukum-lejant li { display: flex; align-items: center; gap: 10px; }
.hukum-lejant li > span:last-child { color: var(--murekkep-2); }
.kucuk { font-size: 14px; color: var(--soluk); }
.kartlar { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.kart { display: grid; grid-template-columns: 44px 1fr; gap: 14px; height: 100%; padding: 16px; border-radius: 16px; background: var(--kart);
  border: 1px solid var(--cizgi); box-shadow: var(--golge); color: var(--murekkep); text-decoration: none; transition: border-color .15s, transform .15s; }
.kart:hover { border-color: var(--teal); transform: translateY(-2px); }
.kart-no { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 12px; background: var(--teal-acik); color: var(--teal); font: 700 20px var(--serif); }
.kart-ek .kart-no { background: var(--lavanta); color: var(--mor); }
.kart-kapanis .kart-no { background: var(--seftali); color: var(--turuncu); }
.kart-govde { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.kart-ust { font: 600 12px var(--sans); letter-spacing: .06em; text-transform: uppercase; color: var(--soluk); }
.kart-baslik { font: 700 17px/1.3 var(--serif); }
.kart-slogan { font: italic 500 14px/1.45 var(--serif); color: var(--murekkep-2); }
.kart-slogan em { font-style: normal; }
.kart-meta { font-size: 13px; color: var(--soluk); }
.kart-durum { font-size: 13px; color: var(--yesil); font-weight: 600; }
.kart-durum:empty { display: none; }
.neden p, .yolculuk p { color: var(--murekkep-2); }
.zaman { list-style: none; margin: 0; padding: 0 0 0 22px; border-left: 2px solid var(--cizgi-2); }
.zaman li { position: relative; margin: 0 0 14px; }
.zaman li::before { content: ""; position: absolute; left: -29px; top: 8px; width: 12px; height: 12px; border-radius: 50%; background: var(--bg); border: 2px solid var(--teal); }
.uyari { margin-top: 18px; padding: 14px 16px; border-radius: 12px; background: var(--sari-z); border: 1px solid color-mix(in srgb, var(--sari) 30%, transparent); font-size: 15px; }
.giris-metin { color: var(--murekkep-2); }

/* Oturum başı */
.oturum-bas { padding: 8px 0 6px; }
.oturum-bas h2 { margin: 0 0 8px; font-size: clamp(28px, 4vw, 38px); }
.slogan { margin: 0 0 14px; font: italic 500 20px/1.45 var(--serif); color: var(--teal); }
.slogan em { font-style: normal; }
.dersler { display: grid; gap: 8px; margin: 14px 0 6px; padding: 14px; border-radius: 14px; background: var(--kart); border: 1px solid var(--cizgi); }
.dersler-satir { display: grid; grid-template-columns: 96px 1fr; gap: 10px; align-items: start; }
.dersler-etiket { font: 600 12px/26px var(--sans); letter-spacing: .04em; text-transform: uppercase; color: var(--soluk); text-decoration: none; }
.dersler-etiket:hover { color: var(--teal); }
.dersler-cipler { display: flex; flex-wrap: wrap; gap: 6px; }
.ders-cip { display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px 3px 4px; border-radius: 999px; background: var(--kart-2);
  border: 1px solid var(--cizgi); color: var(--murekkep); font-size: 13px; text-decoration: none; }
.ders-cip:hover { border-color: var(--teal); }
.ders-no { display: inline-flex; align-items: center; gap: 4px; height: 20px; padding: 0 7px; border-radius: 999px; background: var(--murekkep); color: var(--bg); font: 600 11px/1 var(--sans); white-space: nowrap; }
.ders-no::before { content: "▶"; font-size: 7px; }
.ders-not { font-size: 13px; color: var(--soluk); align-self: center; }
.dersler-bilgi { margin: 2px 0 0; font-size: 14px; color: var(--soluk); }
.oturum > .dersler-bilgi, .view > .dersler-bilgi { margin: -6px 0 12px; }

/* Adım gezintisi */
.adimlar { position: sticky; top: var(--ust-y); z-index: 5; display: flex; flex-wrap: wrap; gap: 6px; margin: 12px -8px 4px; padding: 10px 8px;
  background: color-mix(in srgb, var(--bg) 92%, transparent); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); scrollbar-width: thin; }
.adimlar a { flex: none; padding: 5px 11px; border-radius: 999px; border: 1px solid var(--cizgi); background: var(--kart); color: var(--murekkep-2); font-size: 13px; text-decoration: none; white-space: nowrap; }
.adimlar a:hover { border-color: var(--teal); color: var(--murekkep); }

/* Adım blokları */
.adim { margin: 34px 0 0; }
.adim > h3 { display: flex; align-items: center; gap: 10px; margin: 0 0 14px; font-size: 23px; }
.adim-ikon { display: inline-grid; place-items: center; width: 38px; height: 38px; border-radius: 12px; background: var(--kart); border: 1px solid var(--cizgi); font-size: 19px; }
.fikirler { list-style: none; counter-reset: f; margin: 0; padding: 0; display: grid; gap: 10px; }
.fikirler li { counter-increment: f; position: relative; padding: 14px 16px 12px 58px; background: var(--kart); border: 1px solid var(--cizgi); border-radius: 14px; }
.fikirler li::before { content: counter(f); position: absolute; left: 14px; top: 13px; width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center;
  background: var(--teal); color: #fff; font: 700 15px var(--serif); }
.fikirler p { margin: 0; }
.fikirler-yeni li::before { background: var(--mor); }
.ders-ref { margin-top: 6px !important; font-size: 13px; color: var(--soluk); }
a.zd { white-space: nowrap; color: var(--turuncu); font-size: .92em; }
a.zd::before { content: "▶"; font-size: .7em; margin-right: 4px; vertical-align: 1px; }
.zd-grup { white-space: normal; }
.zd-grup a.zd::before { content: none; }
a.sekil-ref { color: var(--mor); font-weight: 600; text-decoration-style: dotted; }
a.atif { color: inherit; text-decoration: underline dotted color-mix(in srgb, var(--teal) 70%, transparent); text-underline-offset: 3px; }
a.atif:hover { color: var(--teal); text-decoration-style: solid; }

.ornekler { display: grid; gap: 12px; }
.ornek { padding: 16px 18px; background: var(--kart); border: 1px solid var(--cizgi); border-radius: 14px; }
.ornek h4 { display: flex; align-items: center; gap: 10px; margin: 0 0 6px; font-size: 18px; }
.ornek-ikon { font-size: 22px; }
.ornek > p { margin: 0; }
.bugun { margin-top: 12px; padding: 12px 14px; border-radius: 12px; background: var(--teal-acik); }
.bugun p { margin: 0; }
.bugun-etiket { font: 700 12px var(--sans) !important; letter-spacing: .06em; text-transform: uppercase; color: var(--teal); margin-bottom: 4px !important; }

.tablo-kap { overflow-x: auto; border-radius: 14px; border: 1px solid var(--cizgi); background: var(--kart); }
.tablo { width: 100%; border-collapse: collapse; font-size: 15px; line-height: 1.55; }
.tablo th { text-align: left; padding: 10px 14px; background: var(--kart-2); font: 600 12px/1.3 var(--sans); letter-spacing: .05em; text-transform: uppercase; color: var(--soluk); }
.tablo td { padding: 12px 14px; vertical-align: top; border-top: 1px solid var(--cizgi); }
.tablo-derste td:first-child, .tablo-kanit td:first-child, .tablo-degisen td:first-child { width: 1%; white-space: nowrap; }
.tablo-crs td:first-child { width: 30%; }
.tablo-tekrar td:first-child { width: 1%; text-align: center; font: 700 18px var(--serif); color: var(--teal); }
.not, .lejant { color: var(--soluk); font-size: 14px; }
.hukum { display: inline-flex; align-items: center; gap: 5px; padding: 2px 9px 2px 6px; border-radius: 999px; font: 600 12px/1.6 var(--sans); white-space: nowrap; border: 1px solid transparent; }
.hukum-saglam { background: var(--yesil-z); color: var(--yesil); }
.hukum-tartismali { background: var(--sari-z); color: var(--sari); }
.hukum-coktu { background: var(--kirmizi-z); color: var(--kirmizi); }
.hukum-duzeltme { background: var(--gri-z); color: var(--murekkep-2); }
.hukum-guncelledi { background: var(--yesil-z); color: var(--yesil); }
.hukum-yeni { background: var(--lavanta); color: var(--mor); }
.hukum-surdu { background: var(--sari-z); color: var(--sari); }

.vaka { padding: 18px; border-radius: 16px; background: var(--seftali); border: 1px solid color-mix(in srgb, var(--turuncu) 20%, transparent); }
.vaka-baslik { margin: 0 0 8px; font: 700 19px/1.3 var(--serif); }
.vaka-metin { margin: 0 0 14px; }
.vaka-soru { margin-top: 8px; border-radius: 12px; background: var(--kart); border: 1px solid var(--cizgi); }
.vaka-soru summary { cursor: pointer; padding: 12px 14px 12px 40px; position: relative; font-weight: 600; list-style: none; }
.vaka-soru summary::-webkit-details-marker { display: none; }
.vaka-soru summary::before { content: "?"; position: absolute; left: 12px; top: 11px; width: 20px; height: 20px; border-radius: 50%; display: grid; place-items: center;
  background: var(--turuncu); color: #fff; font: 700 12px var(--sans); }
.vaka-soru[open] summary::before { content: "✓"; background: var(--teal); }
.vaka-soru summary::after { content: "Yanıtı göster"; float: right; margin-left: 12px; font: 500 12px/24px var(--sans); color: var(--soluk); }
.vaka-soru[open] summary::after { content: "Gizle"; }
.vaka-yanit { padding: 0 14px 12px 40px; }
.vaka-yanit p { margin: 0; }

.sina-ust { display: flex; align-items: center; gap: 12px; min-height: 24px; margin: -4px 0 10px; font-size: 14px; color: var(--soluk); }
.sina-skor:empty { display: none; }
.sina-skor { font-weight: 600; color: var(--murekkep); }
.sina-sifirla { border: 0; background: none; color: var(--teal); font: 500 13px var(--sans); text-decoration: underline; cursor: pointer; padding: 0; }
.sina { list-style: none; counter-reset: s; margin: 0; padding: 0; display: grid; gap: 10px; }
.sina-madde { counter-increment: s; padding: 14px 16px; background: var(--lavanta); border-radius: 14px; border: 1px solid color-mix(in srgb, var(--mor) 18%, transparent); }
.ifade { margin: 0 0 10px; font-weight: 600; }
.ifade::before { content: counter(s) ". "; color: var(--mor); }
.sina-dugmeler { display: flex; gap: 8px; flex-wrap: wrap; }
.sina-dugmeler button { min-height: 38px; min-width: 96px; padding: 0 16px; border-radius: 999px; border: 1.5px solid var(--cizgi-2); background: var(--kart);
  color: var(--murekkep); font: 600 14px var(--sans); cursor: pointer; }
.sina-dugmeler button:hover:not(:disabled) { border-color: var(--mor); }
.sina-dugmeler button:disabled { cursor: default; opacity: .55; }
.sina-dugmeler button[aria-pressed="true"] { opacity: 1; color: #fff; }
.sina-madde.bildi button[aria-pressed="true"] { background: var(--yesil); border-color: var(--yesil); }
.sina-madde.bilemedi button[aria-pressed="true"] { background: var(--kirmizi); border-color: var(--kirmizi); }
html.js .sina-aciklama { display: none; }
.sina-aciklama { margin-top: 10px; padding: 10px 12px; border-radius: 10px; background: var(--kart); font-size: 15px; }
.sina-aciklama p { margin: 0; }
html.js .sina-madde.cevaplandi .sina-aciklama { display: block; }
.sina-madde.bildi .sina-aciklama { border-left: 4px solid var(--yesil); }
.sina-madde.bilemedi .sina-aciklama { border-left: 4px solid var(--kirmizi); }
.sonuc-etiket { display: block; font: 700 12px var(--sans); letter-spacing: .06em; text-transform: uppercase; margin-bottom: 2px; }
.bildi .sonuc-etiket { color: var(--yesil); }
.bilemedi .sonuc-etiket { color: var(--kirmizi); }
html:not(.js) .sina-dugmeler { display: none; }

.akilda { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.akilda li { padding: 14px 18px 14px 44px; position: relative; border-radius: 14px; background: var(--murekkep); color: var(--bg); font: 600 18px/1.4 var(--serif); }
.akilda li::before { content: "“"; position: absolute; left: 14px; top: 2px; font: 700 38px/1 var(--serif); color: var(--turuncu); }
.akilda li a { color: inherit; }
.akilda-kucuk li { font-size: 16px; padding: 10px 14px 10px 36px; background: var(--kart); color: var(--murekkep); border: 1px solid var(--cizgi); border-left: 4px solid var(--teal); }
.akilda-kucuk li::before { font-size: 30px; left: 12px; color: var(--teal); }

/* Şekiller */
.sekiller { display: grid; gap: 18px; }
.sekil { margin: 0; padding: 10px; background: #fff; border: 1px solid var(--cizgi); border-radius: 16px; box-shadow: var(--golge); }
.sekil-genis { margin: 28px 0; }
.sekil-buyut { display: block; border-radius: 10px; overflow: hidden; cursor: zoom-in; }
.sekil img { display: block; width: 100%; height: auto; }
.sekil figcaption { padding: 10px 6px 4px; font-size: 14px; line-height: 1.5; color: #3b4a59; }
.sekil figcaption a { color: #1a5c64; }
.sekil figcaption a.sekil-ref { color: #633270; }
.sekil-no { font-weight: 700; color: #14263a; }
@media (prefers-color-scheme: dark) { .sekil { background: #f4efe6; border-color: #3a4655; } }

/* İddia ligi */
.filtreler { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0 6px; }
.filtre { min-height: 36px; padding: 0 14px; border-radius: 999px; border: 1px solid var(--cizgi-2); background: var(--kart); color: var(--murekkep); font: 600 14px var(--sans); cursor: pointer; }
.filtre[aria-pressed="true"] { background: var(--murekkep); color: var(--bg); border-color: var(--murekkep); }
.filtre .sayi { opacity: .7; font-weight: 500; margin-left: 2px; }
.filtre-sonuc { font-size: 14px; color: var(--soluk); margin: 4px 0 10px; }
.iddialar { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.iddia { padding: 14px 16px; background: var(--kart); border: 1px solid var(--cizgi); border-radius: 14px; }
.iddia-ust { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 8px; }
.iddia-oturum { font-size: 13px; }
.iddia p { margin: 4px 0 0; }
.iddia-etiket { display: inline-block; min-width: 56px; font: 700 11px var(--sans); letter-spacing: .06em; text-transform: uppercase; color: var(--soluk); }
.iddia-ders { color: var(--murekkep-2); }

/* Hızlı tekrar */
.karisik { padding: 18px; border-radius: 16px; background: var(--kart); border: 1px solid var(--cizgi); box-shadow: var(--golge); }
.karisik h3 { margin: 0 0 6px; font-size: 22px; }
.karisik-alan:empty { display: none; }
.karisik-alan { margin: 12px 0; }
.karisik-alan .sina-madde { margin-bottom: 10px; }
.karisik-ilerleme { font-size: 13px; color: var(--soluk); margin: 0 0 8px; }
.karisik-son { font: 700 22px/1.3 var(--serif); margin: 6px 0; }
html:not(.js) .karisik { display: none; }
.tekrar-baslik { margin: 36px 0 12px; font-size: 22px; }
.tekrar-grup { margin: 0 0 18px; }
.tekrar-grup h3 { margin: 0 0 8px; font: 600 15px/1.4 var(--sans); }
.tekrar-grup h3 span { color: var(--soluk); font-weight: 400; }

/* Kaynakça */
.kaynak-ara { display: flex; flex-direction: column; gap: 6px; margin: 18px 0 4px; }
.kaynak-ara label { font-size: 14px; font-weight: 600; }
.kaynak-ara input { height: 40px; padding: 0 12px; border-radius: 10px; border: 1px solid var(--cizgi-2); background: var(--kart); color: var(--murekkep); font: 400 15px var(--sans); max-width: 420px; }
.kaynak-sonuc { font-size: 14px; color: var(--soluk); min-height: 1em; }
.kaynak-grup h3 { font-size: 20px; margin: 26px 0 10px; }
.kaynak-grup .sayi { font: 500 14px var(--sans); color: var(--soluk); }
.kaynaklar { margin: 0; padding-left: 26px; font-size: 14.5px; line-height: 1.55; }
.kaynaklar li { margin: 0 0 8px; padding: 4px 6px; border-radius: 8px; overflow-wrap: anywhere; }
.kaynaklar li.parla, .parla { animation: parla 2.2s ease; }
@keyframes parla { 0%, 40% { background: var(--sari-z); box-shadow: 0 0 0 4px var(--sari-z); } 100% { background: transparent; box-shadow: none; } }

/* Oturum sonu */
.oturum-son { margin: 44px 0 0; padding-top: 22px; border-top: 1px solid var(--cizgi); display: flex; flex-wrap: wrap; align-items: center; gap: 14px; justify-content: space-between; }
.okundu { min-height: 42px; padding: 0 18px; border-radius: 999px; border: 1px solid var(--yesil); background: transparent; color: var(--yesil); font: 600 14px var(--sans); cursor: pointer; }
.okundu[aria-pressed="true"] { background: var(--yesil); color: #fff; }
.okundu[aria-pressed="true"]::before { content: "✓ "; }
html:not(.js) .okundu { display: none; }
.ileri-geri { display: flex; gap: 10px; flex-wrap: wrap; margin-left: auto; }
.ileri-geri a { display: inline-flex; flex-direction: column; padding: 8px 14px; border-radius: 12px; border: 1px solid var(--cizgi); background: var(--kart); text-decoration: none; color: var(--murekkep); font-size: 14px; max-width: 280px; }
.ileri-geri a span { font-size: 12px; color: var(--soluk); }
.ileri-geri a:hover { border-color: var(--teal); }

/* Işık kutusu ve atıf penceresi */
.isik { width: min(1280px, 96vw); max-height: 94vh; padding: 0; border: 0; border-radius: 16px; background: var(--kart); color: var(--murekkep); box-shadow: 0 20px 60px rgba(0, 0, 0, .35); }
.isik::backdrop { background: rgba(10, 18, 28, .72); }
.isik-ust { display: flex; align-items: center; gap: 12px; padding: 10px 14px; border-bottom: 1px solid var(--cizgi); }
.isik-no { margin: 0; font: 700 15px var(--serif); flex: 1; }
.isik-tam { font-size: 14px; }
.isik-kapat, .isik-gezinti button { width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--cizgi-2); background: var(--kart); color: var(--murekkep); font: 600 16px var(--sans); cursor: pointer; }
.isik-resim { background: #fff; display: flex; justify-content: center; }
.isik-resim img { display: block; width: auto; max-width: 100%; height: auto; max-height: calc(94vh - 170px); object-fit: contain; }
.isik-alt { margin: 0; padding: 10px 16px; font-size: 14px; color: var(--murekkep-2); max-height: 96px; overflow: auto; }
.isik-gezinti { display: flex; justify-content: flex-end; gap: 8px; padding: 0 14px 12px; }
.atif-pop { position: absolute; z-index: 40; width: min(440px, calc(100vw - 24px)); padding: 14px 16px 12px; border-radius: 14px; background: var(--kart);
  border: 1px solid var(--cizgi-2); box-shadow: 0 12px 36px rgba(20, 38, 58, .2); font-size: 14px; line-height: 1.55; overflow-wrap: anywhere; }
.atif-pop p { margin: 0 0 8px; }
.atif-pop .atif-alt { display: flex; justify-content: space-between; gap: 10px; margin: 0; font-size: 13px; }
.atif-pop button { border: 0; background: none; color: var(--soluk); cursor: pointer; font: 500 13px var(--sans); padding: 0; }

/* Alt bilgi */
.alt { max-width: calc(var(--yan) + var(--icerik) + 140px); margin: 0 auto; padding: 26px 40px 40px calc(var(--yan) + 40px); border-top: 1px solid var(--cizgi);
  font-size: 13.5px; line-height: 1.6; color: var(--soluk); }
.alt p { margin: 0 0 8px; max-width: var(--icerik); }

/* Küçük ekranlar */
@media (max-width: 980px) {
  .duzen { grid-template-columns: minmax(0, 1fr); }
  .yan { position: fixed; z-index: 25; top: 0; left: 0; width: min(320px, 86vw); height: 100vh; height: 100dvh; background: var(--bg);
    padding-top: calc(var(--ust-y) + 12px); box-shadow: var(--golge); transform: translateX(-105%); visibility: hidden;
    transition: transform .2s ease, visibility 0s linear .2s; border-right: 1px solid var(--cizgi); }
  body.menu-acik .yan { transform: none; visibility: visible; transition: transform .2s ease; }
  body.menu-acik::after { content: ""; position: fixed; inset: 0; background: rgba(10, 18, 28, .35); z-index: 24; }
  .menu-dugme { display: inline-block; }
  main { padding: 20px 16px 48px; }
  .alt { padding: 22px 16px 36px; }
}
@media (max-width: 640px) {
  html { scroll-padding-top: calc(var(--ust-y) + 64px); }
  body { font-size: 16px; }
  .ust { gap: 10px; padding: 0 12px; }
  .marka { display: none; }
  .ara { width: auto; flex: 1; }
  .kurallar ol, .kartlar, .lejantlar { grid-template-columns: 1fr; }
  .dersler-satir { grid-template-columns: 1fr; gap: 4px; }
  .tablo-kap { border: 0; background: transparent; overflow: visible; }
  .tablo, .tablo tbody, .tablo tr, .tablo td { display: block; width: auto !important; }
  .tablo thead { display: none; }
  .tablo tr { margin: 0 0 10px; padding: 6px 2px; border: 1px solid var(--cizgi); border-radius: 14px; background: var(--kart); }
  .tablo td { border: 0; padding: 6px 12px; white-space: normal !important; }
  .tablo td::before { content: attr(data-label); display: block; font: 700 11px var(--sans); letter-spacing: .06em; text-transform: uppercase; color: var(--soluk); margin-bottom: 2px; }
  .tablo-derste td:first-child::before, .tablo-kanit td:first-child::before, .tablo-degisen td:first-child::before { display: none; }
  .tablo-tekrar td:first-child { text-align: left; }
  .fikirler li { padding: 12px 14px 10px 50px; }
  .fikirler li::before { left: 10px; width: 28px; height: 28px; }
  .akilda li { font-size: 16.5px; }
  .ileri-geri { margin-left: 0; }
  .adimlar { flex-wrap: nowrap; overflow-x: auto; }
}

/* Yazdırma */
@media print {
  .ust, .yan, .adimlar, .oturum-son, .sina-dugmeler, .sina-ust, .karisik, .alt a.geri, .kaynak-ara, .filtreler { display: none !important; }
  .duzen { display: block; }
  main { padding: 0; }
  html.js .view { display: none !important; }
  html.js .view.aktif { display: block !important; animation: none; }
  html.js .sina-aciklama { display: block; }
  .vaka-soru { break-inside: avoid; }
  .vaka-soru:not([open]) > .vaka-yanit { display: block; }
  .sekil, .ornek, .fikirler li, .iddia { break-inside: avoid; box-shadow: none; }
  .akilda li { background: none; color: #000; border: 1px solid #999; }
  a { color: inherit; text-decoration: none; }
  body { background: #fff; font-size: 11pt; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

.sina-tek .ifade::before { content: none; }
.karisik-sonraki { margin-top: 4px; }