/* Dijital Kütüphane: vakfın kapak sayfalarından türetilen sade tasarım. Şablon CSS'i kullanılmaz. */
:root {
  --murekkep: #1f2b27;
  --yesil: #3f6b57;
  --yesil-koyu: #2f5444;
  --altin: #e3c25a;
  --krem: #fbf8ec;
  --gul: #f7f1ee;
  --gri: #5f6b67;
  --cizgi: #e4e6e0;
  --beyaz: #fff;
  --kirmizi: #b3261e;
  --yuvarlak: 18px;
  --govde: "Nunito", "Segoe UI", system-ui, sans-serif;
  --el: "Caveat", "Segoe Script", cursive;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--beyaz); color: var(--murekkep); font: 400 1.0625rem/1.65 var(--govde); }
img, svg, canvas { max-width: 100%; }
img { height: auto; }
a { color: var(--yesil-koyu); }
a:hover { color: var(--murekkep); }
:focus-visible { outline: 3px solid var(--altin); outline-offset: 2px; border-radius: 4px; }
h1, h2, h3 { line-height: 1.2; font-weight: 900; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.05rem; font-weight: 800; }
p { margin: 0 0 1em; }
.kap { width: min(1200px, 100%); margin-inline: auto; padding-inline: 20px; }
.el { font-family: var(--el); font-size: 1.6rem; font-weight: 700; color: var(--yesil); margin: 0 0 .2em; line-height: 1.2; }
.gizli { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.tuzak { position: absolute; left: -9999px; }
.atla { position: absolute; left: -9999px; background: var(--murekkep); color: #fff; padding: 8px 14px; z-index: 10; }
.atla:focus { left: 8px; top: 8px; }
.ikon { width: 1.1em; height: 1.1em; flex: none; }

.dugme { display: inline-flex; align-items: center; justify-content: center; gap: .5em; min-height: 46px; padding: .55em 1.3em; border: 2px solid var(--yesil); border-radius: 999px; background: var(--yesil); color: #fff; font: 800 1rem var(--govde); text-decoration: none; cursor: pointer; transition: background .15s, color .15s, border-color .15s; }
.dugme:hover { background: var(--yesil-koyu); border-color: var(--yesil-koyu); color: #fff; }
.dugme small { font-weight: 600; opacity: .8; }
.dugme--ikincil { background: transparent; color: var(--yesil-koyu); }
.dugme--ikincil:hover { color: #fff; }
.dugme--kucuk { min-height: 38px; padding: .25em 1em; font-size: .92rem; }
.dugme--tam { width: 100%; }
.baglanti { background: none; border: 0; padding: 0; color: var(--yesil-koyu); font: 700 1rem var(--govde); text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }

.ust { position: sticky; top: 0; z-index: 5; background: rgba(255, 255, 255, .96); border-bottom: 1px solid var(--cizgi); }
.ust__ic { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 76px; flex-wrap: wrap; padding-block: 8px; }
.marka { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--murekkep); }
.marka b { display: block; font-weight: 900; font-size: 1.15rem; line-height: 1.15; }
.marka small { color: var(--gri); font-weight: 600; font-size: .85rem; }
.ust__nav { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.ust__nav > a:not(.dugme) { text-decoration: none; font-weight: 700; color: var(--murekkep); }
.ust__nav > a:not(.dugme):hover { color: var(--yesil); }
.ust__nav form { margin: 0; }

.giris-bant { background: radial-gradient(circle at 92% 8%, var(--krem) 0 170px, transparent 171px), var(--beyaz); padding-block: 48px 56px; text-align: center; }
.giris-bant__amblem { width: 120px; margin-bottom: 8px; }
.giris-bant h1 span { color: var(--yesil); }
.giris-bant__metin { max-width: 640px; margin-inline: auto; color: var(--gri); font-size: 1.15rem; }
.ara-kutu { display: flex; gap: 8px; max-width: 680px; margin: 26px auto 0; padding: 7px; border: 2px solid var(--murekkep); border-radius: 999px; background: #fff; }
.ara-kutu:focus-within { border-color: var(--yesil); box-shadow: 0 0 0 4px rgba(227, 194, 90, .4); }
.ara-kutu input { flex: 1; min-width: 0; border: 0; outline: 0; padding: 0 16px; font: 600 1.05rem var(--govde); background: transparent; color: inherit; }
.ara-kutu--dar { margin-inline: 0; }
.sayilar { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px 28px; list-style: none; margin: 26px 0 0; padding: 0; color: var(--gri); }
.sayilar b { color: var(--murekkep); font-size: 1.35rem; font-weight: 900; }

.bolum { padding-block: 56px; }
.bolum--ince { padding-block: 28px 56px; }
.bolum--krem { background: var(--krem); }
.bolum__ust { display: flex; justify-content: space-between; align-items: end; gap: 16px; flex-wrap: wrap; margin-bottom: 8px; }
.sayfa-ust { background: var(--krem); padding-block: 40px; }
.sayfa-ust h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); }

.kategoriler { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 18px; list-style: none; padding: 0; margin: 20px 0 0; }
.kategoriler a { display: flex; flex-direction: column; justify-content: center; min-height: 148px; padding: 26px 30px; text-decoration: none; color: var(--murekkep); background: var(--krem); border: 3px solid var(--altin); border-radius: 50% 50% 46% 46% / 42% 42% 58% 58%; text-align: center; transition: transform .15s; }
.kategoriler li:nth-child(3n+2) a { background: #eef0ed; border-color: var(--murekkep); }
.kategoriler li:nth-child(3n) a { background: var(--gul); border-color: var(--yesil); }
.kategoriler a:hover { transform: translateY(-3px); }
.kategoriler b { font-weight: 800; line-height: 1.25; }
.kategoriler small { color: var(--gri); }

.eserler { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 18px; margin-top: 20px; }
.eserler--dar { grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); margin-top: 0; }
.eser { display: flex; gap: 14px; padding: 14px; background: #fff; border: 1px solid var(--cizgi); border-radius: var(--yuvarlak); }
.eser__kapak { flex: 0 0 78px; height: 108px; border-radius: 8px; overflow: hidden; background: var(--krem); }
.eser__kapak img { display: block; width: 100%; height: 100%; object-fit: cover; }
.eser__kapak--yok { display: grid; place-items: center; }
.eser__kapak--yok img { width: 46px; height: 46px; opacity: .45; object-fit: contain; }
.eser__govde { min-width: 0; }
.eser__tur { margin: 0 0 2px; font-size: .82rem; font-weight: 700; color: var(--gri); }
.eser h3 { margin-bottom: 3px; overflow-wrap: anywhere; }
.eser h3 a { color: var(--murekkep); text-decoration: none; }
.eser h3 a:hover { color: var(--yesil); text-decoration: underline; }
.eser__yazar { margin: 0 0 6px; font-size: .9rem; color: var(--gri); }
.rozet { display: inline-block; padding: 1px 10px; border-radius: 999px; font-size: .76rem; font-weight: 800; }
.rozet--acik { background: #e5efe9; color: var(--yesil-koyu); }
.rozet--kod { background: #f8efc8; color: #5c4a07; }
.rozet--kunye { background: #eeeeea; color: var(--gri); }

.katalog { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 28px; align-items: start; }
.suzgec { position: sticky; top: 92px; padding: 18px; background: var(--krem); border-radius: var(--yuvarlak); }
.alan { margin-bottom: 12px; }
.alan label, .form label:not(.onay), .giris-kart label { display: block; margin-bottom: 4px; font-size: .9rem; font-weight: 800; }
select, input[type="text"], input[type="email"], input[type="number"], textarea { width: 100%; min-height: 44px; padding: 8px 12px; border: 1.5px solid #c9cec8; border-radius: 10px; background: #fff; color: inherit; font: 500 1rem var(--govde); }
textarea { resize: vertical; }
.alan--yil div { display: flex; gap: 6px; }
.suzgec .dugme { width: 100%; margin-bottom: 8px; }
.suzgec .baglanti { display: block; text-align: center; font-size: .92rem; }
.sonuc__sayi { color: var(--gri); }
.sonuc__sayi b { color: var(--murekkep); }
.bos { padding: 40px 20px; text-align: center; }
.sayfalama { display: flex; justify-content: center; flex-wrap: wrap; gap: 6px; margin-top: 28px; }
.sayfalama a, .sayfalama span { display: inline-flex; align-items: center; justify-content: center; min-width: 42px; min-height: 42px; padding: 0 10px; border-radius: 10px; text-decoration: none; font-weight: 700; }
.sayfalama a { border: 1px solid var(--cizgi); color: var(--murekkep); }
.sayfalama a.aktif { background: var(--yesil); border-color: var(--yesil); color: #fff; }

.kunye { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 40px; align-items: start; }
.kunye__kapak { border-radius: var(--yuvarlak); overflow: hidden; background: var(--krem); box-shadow: 0 12px 30px rgba(31, 43, 39, .12); }
.kunye__kapak img { display: block; width: 100%; }
.kunye__kapak--yok { display: grid; place-items: center; aspect-ratio: 5 / 7; }
.kunye__kapak--yok img { width: 110px; opacity: .5; }
.kirinti { font-size: .92rem; color: var(--gri); margin-bottom: 14px; }
.kunye h1 { font-size: clamp(1.7rem, 4vw, 2.6rem); overflow-wrap: anywhere; }
.kunye__alt { font-size: 1.2rem; color: var(--gri); }
.kunye__yazar { font-weight: 800; font-size: 1.1rem; }
.kunye__baslik { font-size: 1.25rem; margin-top: 28px; }
.erisim { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 14px; margin: 22px 0; }
.erisim__not { margin: 0; color: var(--gri); }
.erisim__not--kutu { padding: 14px 18px; background: var(--krem); border-left: 5px solid var(--altin); border-radius: 8px; color: var(--murekkep); }
.bilgi { display: flex; flex-wrap: wrap; gap: 12px 34px; margin: 0; padding: 16px 0; border-block: 1px solid var(--cizgi); }
.bilgi dt { font-size: .82rem; font-weight: 700; color: var(--gri); }
.bilgi dd { margin: 0; font-weight: 700; }
.atif { display: flex; align-items: start; justify-content: space-between; gap: 14px; flex-wrap: wrap; padding: 14px 18px; background: var(--krem); border-radius: 12px; }
.atif p { flex: 1 1 280px; margin: 0; font-size: .95rem; overflow-wrap: anywhere; }

.destek { display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; }
.destek > div:first-child { flex: 1 1 480px; }
.destek__dugmeler { display: flex; gap: 10px; flex-wrap: wrap; }

.giris-kart { max-width: 560px; text-align: center; }
.giris-kart form { text-align: left; margin-top: 18px; }
.giris-kart h1 { font-size: clamp(1.7rem, 4vw, 2.3rem); }
.kod { font: 600 .92rem Consolas, "Courier New", monospace !important; margin-bottom: 14px; }
.giris-kart__alt { margin-top: 18px; font-size: .95rem; color: var(--gri); }
.uyari { padding: 12px 16px; background: #fbeceb; border-left: 5px solid var(--kirmizi); border-radius: 8px; color: #7b1912; font-weight: 700; text-align: left; }
.tamam { padding: 14px 18px; background: #e5efe9; border-left: 5px solid var(--yesil); border-radius: 8px; font-weight: 700; }
.metin { max-width: 820px; }
.metin h2 { margin-top: 1.5em; font-size: 1.45rem; }
.form { display: grid; gap: 6px; }
.form input, .form textarea { margin-bottom: 10px; }
.form .dugme { justify-self: start; margin-top: 8px; }
.onay { display: flex; gap: 10px; align-items: flex-start; font-size: .95rem; margin-bottom: 8px; }
.onay input { margin: 5px 0 0; width: 18px; height: 18px; flex: none; }

.okuyucu { background: #e8e9e5; min-height: 70vh; }
.okuyucu__arac { position: sticky; top: 76px; z-index: 3; display: flex; justify-content: space-between; align-items: center; gap: 8px 16px; flex-wrap: wrap; padding: 8px 20px; background: #fff; border-bottom: 1px solid var(--cizgi); }
.okuyucu__baslik { flex: 1 1 200px; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.okuyucu__dugmeler { display: flex; align-items: center; gap: 8px; }
.okuyucu__durum { padding: 40px 20px; text-align: center; font-weight: 700; }
.okuyucu__sayfalar { display: flex; flex-direction: column; align-items: center; gap: 14px; padding: 16px 8px 40px; overflow-x: auto; }
.okuyucu__sayfa { background: #fff; box-shadow: 0 2px 10px rgba(0, 0, 0, .15); width: fit-content; max-width: none; min-width: min(100%, 300px); }
.okuyucu__sayfa canvas { display: block; max-width: none; }

.alt { background: var(--murekkep); color: #dfe5e1; padding-block: 44px; font-size: .95rem; }
.alt a { color: #fff; }
.alt .el { color: var(--altin); }
.alt__ic { display: grid; grid-template-columns: 2fr 1.2fr 1fr; gap: 28px; }
.alt ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; align-content: start; }

@media (max-width: 860px) {
  .katalog, .kunye, .alt__ic { grid-template-columns: minmax(0, 1fr); }
  .suzgec { position: static; }
  .kunye__kapak { max-width: 220px; }
  .ust { position: static; }
  .okuyucu__arac { top: 0; }
  .bolum { padding-block: 40px; }
}
@media (max-width: 480px) {
  .ara-kutu { border-radius: 18px; flex-direction: column; }
  .ara-kutu input { min-height: 44px; }
  .ara-kutu .dugme { width: 100%; }
  .eserler, .eserler--dar { grid-template-columns: minmax(0, 1fr); }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}