/* =========================================================
   MAT İlkyardım — Kursiyer Paneli
   ========================================================= */
:root {
    --ana: #06A3DA; --ana-koyu: #0587b5; --ana-acik: #E6F6FC;
    --turuncu: #F57E57; --turuncu-acik: #FEEFE9;
    --koyu: #091E3E; --metin: #2b3445; --soluk: #6b7587; --cizgi: #e3e9f0;
    --zemin: #f3f6fa; --kart: #fff;
    --yesil: #12a170; --yesil-acik: #e5f6ef; --kirmizi: #dc3b3b; --kirmizi-acik: #fdecec; --sari: #e9a23b; --sari-acik: #fdf4e4;
    --golge: 0 1px 2px rgba(9,30,62,.04), 0 6px 20px rgba(9,30,62,.06);
    --yaricap: 16px;
    --alt-bar: 0px;
}
* { -webkit-tap-highlight-color: transparent; }
html { scroll-behavior: smooth; }
body { background: var(--zemin); color: var(--metin); font-family: 'Open Sans', system-ui, sans-serif; font-size: 15px; min-height: 100vh; }
h1, h2, h3, h4, .k-dugme, .k-logo span { font-family: 'Jost', system-ui, sans-serif; color: var(--koyu); }
a { color: var(--ana); }
a:hover { color: var(--ana-koyu); }
[hidden] { display: none !important; }
.text-success { color: var(--yesil) !important; } .text-danger { color: var(--kirmizi) !important; }

/* ---------- Düğmeler ---------- */
.k-dugme { display: inline-flex; align-items: center; justify-content: center; gap: 8px; background: var(--ana); color: #fff; border: 0; border-radius: 12px; padding: 12px 22px; font-weight: 600; font-size: 1rem; text-decoration: none; cursor: pointer; transition: background .15s, transform .1s, box-shadow .15s; box-shadow: 0 4px 14px rgba(6,163,218,.25); }
.k-dugme:hover { background: var(--ana-koyu); color: #fff; }
.k-dugme:active { transform: translateY(1px); }
.k-dugme:disabled { opacity: .6; cursor: not-allowed; }
.k-dugme-tam { width: 100%; }
.k-dugme-buyuk { padding: 16px 24px; font-size: 1.1rem; }
.k-dugme-kucuk { padding: 8px 14px; font-size: .9rem; border-radius: 10px; box-shadow: none; }
.k-dugme-cizgi { background: #fff; color: var(--koyu); border: 1.5px solid var(--cizgi); box-shadow: none; }
.k-dugme-cizgi:hover { background: var(--zemin); color: var(--koyu); border-color: #cfd8e3; }
.k-dugme-turuncu { background: var(--turuncu); box-shadow: 0 4px 14px rgba(245,126,87,.3); }
.k-dugme-turuncu:hover { background: #e9683f; }
.k-dugme-pasif { background: #eef1f5; color: var(--soluk); box-shadow: none; cursor: default; }
.k-dugme-pasif:hover { background: #eef1f5; color: var(--soluk); }
.k-ikon-dugme { width: 40px; height: 40px; border-radius: 10px; border: 0; background: transparent; color: inherit; display: inline-flex; align-items: center; justify-content: center; font-size: 1.15rem; cursor: pointer; text-decoration: none; transition: background .15s; }
.k-ikon-dugme:hover { background: rgba(255,255,255,.12); color: inherit; }
.k-ikon-dugme.aktif { background: rgba(255,255,255,.18); }
.k-link { font-weight: 600; text-decoration: none; white-space: nowrap; }

/* ---------- Bildirim ---------- */
.k-bildirim { position: fixed; top: 16px; left: 50%; transform: translateX(-50%); z-index: 2000; display: flex; gap: 10px; align-items: center; padding: 12px 18px; border-radius: 12px; background: var(--koyu); color: #fff; box-shadow: 0 10px 30px rgba(9,30,62,.25); max-width: calc(100% - 32px); transition: opacity .4s, transform .4s; font-weight: 600; }
.k-bildirim-ok i { color: #5fe0a8; } .k-bildirim-hata { background: var(--kirmizi); }
.k-bildirim.gizle { opacity: 0; transform: translate(-50%, -12px); pointer-events: none; }
.k-uyari { display: flex; gap: 10px; align-items: flex-start; padding: 12px 14px; border-radius: 12px; font-size: .93rem; margin-bottom: 16px; line-height: 1.45; }
.k-uyari i { font-size: 1.1rem; line-height: 1.3; }
.k-uyari-hata { background: var(--kirmizi-acik); color: #9b2323; }
.k-uyari-bilgi { background: var(--sari-acik); color: #7a5410; }
.k-uyari-bilgi a { color: inherit; font-weight: 700; }

/* =================== Giriş / Kayıt =================== */
.k-dis { background: #fff; }
.k-giris { display: grid; grid-template-columns: minmax(380px, 46%) 1fr; min-height: 100vh; }
.k-giris-sol { position: relative; overflow: hidden; background: radial-gradient(1200px 600px at -10% 110%, rgba(6,163,218,.55), transparent 60%), radial-gradient(700px 500px at 110% -10%, rgba(245,126,87,.35), transparent 60%), var(--koyu); color: #fff; padding: 40px 56px; display: flex; flex-direction: column; }
.k-giris-sol::after { content: ""; position: absolute; right: -80px; bottom: -80px; width: 360px; height: 360px; opacity: .07; background:
    linear-gradient(#fff, #fff) center/36% 100% no-repeat, linear-gradient(#fff, #fff) center/100% 36% no-repeat; border-radius: 40px; transform: rotate(-12deg); }
.k-giris-logo img { height: 52px; background: #fff; padding: 8px 12px; border-radius: 12px; }
.k-giris-metin { margin: auto 0; max-width: 460px; position: relative; z-index: 1; padding: 40px 0; }
.k-etiket { display: inline-block; font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; font-weight: 700; color: #8fdcf7; margin-bottom: 14px; }
.k-giris-metin h1 { color: #fff; font-size: clamp(2rem, 3.2vw, 2.8rem); line-height: 1.1; margin-bottom: 14px; }
.k-giris-metin > p { color: rgba(255,255,255,.75); font-size: 1.05rem; margin-bottom: 32px; }
.k-giris-metin ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 18px; }
.k-giris-metin li { display: flex; gap: 14px; align-items: flex-start; }
.k-giris-metin li > i { flex: 0 0 auto; width: 42px; height: 42px; border-radius: 12px; background: rgba(255,255,255,.1); display: flex; align-items: center; justify-content: center; font-size: 1.2rem; color: #8fdcf7; }
.k-giris-metin li strong { display: block; font-family: 'Jost'; font-size: 1.05rem; }
.k-giris-metin li span { color: rgba(255,255,255,.65); font-size: .92rem; }
.k-giris-alt { color: rgba(255,255,255,.5); position: relative; z-index: 1; }
.k-giris-sag { display: flex; align-items: center; justify-content: center; padding: 40px 24px; }
.k-giris-kutu { width: 100%; max-width: 440px; }
.k-giris-kutu h2 { font-size: 1.9rem; margin-bottom: 6px; }
.k-alt-yazi { color: var(--soluk); margin-bottom: 24px; }
.k-gecis { text-align: center; margin: 22px 0 6px; color: var(--soluk); }
.k-gecis a { font-weight: 700; text-decoration: none; }
.k-not { text-align: center; font-size: .85rem; color: #98a1b0; }
.k-tuzak { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; opacity: 0; }

.k-form { display: grid; gap: 16px; }
.k-form label { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 5px; font-weight: 600; color: var(--koyu); font-size: .92rem; }
.k-form label > input, .k-form label > select, .k-form label > textarea, .k-form label > .k-sifre { flex: 1 1 100%; }
.k-form label em { font-style: normal; font-weight: 400; color: var(--soluk); }
.k-form input:not([type=checkbox]):not([type=radio]), .k-form select, .k-form textarea { width: 100%; border: 1.5px solid var(--cizgi); border-radius: 12px; padding: 12px 14px; font-size: 1rem; background: #fbfcfe; color: var(--metin); transition: border-color .15s, box-shadow .15s, background .15s; font-family: inherit; }
.k-form input:focus, .k-form select:focus, .k-form textarea:focus { outline: 0; border-color: var(--ana); background: #fff; box-shadow: 0 0 0 4px rgba(6,163,218,.12); }
.k-iki { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.k-sifre { position: relative; display: block; }
.k-sifre input { padding-right: 48px !important; }
.k-goz { position: absolute; right: 6px; top: 50%; transform: translateY(-50%); border: 0; background: none; color: var(--soluk); width: 38px; height: 38px; border-radius: 8px; }
.k-onay { display: flex !important; grid-template-columns: none !important; gap: 10px !important; align-items: flex-start; font-weight: 400 !important; font-size: .86rem !important; color: var(--soluk) !important; line-height: 1.45; }
.k-onay input { margin-top: 3px; width: 18px; height: 18px; flex: 0 0 auto; accent-color: var(--ana); }

.k-durum { text-align: center; }
.k-durum-ikon { width: 84px; height: 84px; border-radius: 50%; margin: 0 auto 20px; display: flex; align-items: center; justify-content: center; font-size: 2.2rem; }
.k-bekliyor { background: var(--sari-acik); color: var(--sari); animation: k-nabiz 2.4s ease-in-out infinite; }
.k-pasif { background: #eef1f5; color: var(--soluk); }
@keyframes k-nabiz { 0%,100% { box-shadow: 0 0 0 0 rgba(233,162,59,.35); } 50% { box-shadow: 0 0 0 16px rgba(233,162,59,0); } }
.k-durum h2 { font-size: 1.6rem; }
.k-durum p { color: var(--soluk); margin-bottom: 24px; line-height: 1.6; }

@media (max-width: 900px) {
    .k-giris { grid-template-columns: 1fr; }
    .k-giris-sol { padding: 22px 20px 26px; }
    .k-giris-metin { padding: 22px 0 0; margin: 0; }
    .k-giris-metin h1 { font-size: 1.7rem; }
    .k-giris-metin > p { margin-bottom: 0; font-size: .97rem; }
    .k-giris-metin ul, .k-giris-alt { display: none; }
    .k-giris-logo img { height: 42px; }
    .k-giris-sag { padding: 28px 20px 40px; align-items: flex-start; }
    .k-iki { grid-template-columns: 1fr; }
}

/* =================== İç sayfalar =================== */
.k-ust { position: sticky; top: 0; z-index: 100; display: flex; align-items: center; gap: 24px; height: 68px; padding: 0 28px; background: rgba(255,255,255,.92); backdrop-filter: saturate(180%) blur(12px); -webkit-backdrop-filter: saturate(180%) blur(12px); border-bottom: 1px solid var(--cizgi); }
.k-logo { display: flex; align-items: center; gap: 12px; text-decoration: none; flex: 0 0 auto; }
.k-logo img { height: 40px; }
.k-logo span { font-weight: 600; color: var(--koyu); font-size: 1.05rem; padding-left: 12px; border-left: 1px solid var(--cizgi); }
.k-menu { display: flex; gap: 4px; margin: 0 auto; }
.k-menu a { display: flex; align-items: center; gap: 8px; padding: 9px 16px; border-radius: 10px; color: var(--soluk); text-decoration: none; font-weight: 600; transition: background .15s, color .15s; }
.k-menu a:hover { background: var(--zemin); color: var(--koyu); }
.k-menu a.aktif { background: var(--ana-acik); color: var(--ana-koyu); }
.k-menu a i { font-size: 1.1rem; }
.k-avatar { width: 40px; height: 40px; border-radius: 50%; border: 0; background: linear-gradient(135deg, var(--ana), #3cc3f0); color: #fff; font-weight: 700; font-family: 'Jost'; display: inline-flex; align-items: center; justify-content: center; letter-spacing: .02em; cursor: pointer; }
.k-avatar.buyuk { width: 64px; height: 64px; font-size: 1.6rem; cursor: default; }
.k-kisi-menu { border-radius: 14px; border: 1px solid var(--cizgi); box-shadow: var(--golge); padding: 6px; min-width: 230px; }
.k-kisi-menu .dropdown-item { border-radius: 8px; padding: 9px 12px; }

.k-sayfa { max-width: 1180px; margin: 0 auto; padding: 32px 28px 48px; }
.k-dar { max-width: 760px; }
.k-baslik { margin-bottom: 22px; }
.k-baslik h1 { font-size: 2rem; margin-bottom: 4px; }
.k-baslik p { color: var(--soluk); margin: 0; }
.k-baslik-yan { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; flex-wrap: wrap; }
.k-bolum-baslik { font-size: 1.2rem; margin: 26px 0 12px; }
.k-geri { display: inline-flex; align-items: center; gap: 8px; color: var(--soluk); text-decoration: none; font-weight: 600; margin-bottom: 16px; }
.k-geri:hover { color: var(--koyu); }
.k-kart { background: var(--kart); border-radius: var(--yaricap); box-shadow: var(--golge); padding: 24px; }
.k-kart-baslik { font-size: 1.2rem; margin-bottom: 4px; }
.k-cubuk { display: block; height: 6px; background: #e8edf3; border-radius: 4px; overflow: hidden; }
.k-cubuk i { display: block; height: 100%; background: var(--ana); border-radius: 4px; transition: width .6s; }
.k-bos { text-align: center; padding: 28px 16px; background: #fff; border: 1.5px dashed var(--cizgi); border-radius: var(--yaricap); color: var(--soluk); }
.k-bos i { font-size: 1.8rem; color: #b7c2d0; }
.k-bos p { margin: 8px 0 0; }
.k-bos-buyuk { padding: 60px 20px; }
.k-rozet { background: var(--turuncu-acik); color: #d0582f; font-weight: 700; font-size: .78rem; padding: 4px 10px; border-radius: 20px; }

/* Ana sayfa */
.k-karsilama { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 30px 34px; border-radius: 22px; color: #fff; margin-bottom: 18px; position: relative; overflow: hidden;
    background: radial-gradient(500px 260px at 100% 0%, rgba(255,255,255,.18), transparent 60%), linear-gradient(120deg, var(--koyu) 0%, #0b3a6e 55%, var(--ana) 130%); }
.k-karsilama-ust { color: #9fe2f8; font-weight: 600; }
.k-karsilama h1 { color: #fff; font-size: 2.2rem; margin: 2px 0 6px; }
.k-karsilama p { color: rgba(255,255,255,.75); margin: 0; }
.k-karsilama-ikon { font-size: 4.4rem; color: rgba(255,255,255,.14); line-height: 1; }
.k-ozet { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.k-ozet-kart { display: flex; gap: 16px; align-items: center; background: #fff; border-radius: var(--yaricap); padding: 20px; box-shadow: var(--golge); text-decoration: none; color: inherit; transition: transform .15s, box-shadow .15s; }
.k-ozet-kart:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(9,30,62,.1); color: inherit; }
.k-ozet-kart > div { flex: 1; min-width: 0; }
.k-ozet-kart span:first-child:not(.k-ozet-ikon) { color: var(--soluk); font-size: .85rem; font-weight: 600; }
.k-ozet-kart strong { display: block; font-family: 'Jost'; font-size: 1.4rem; color: var(--koyu); line-height: 1.25; }
.k-ozet-kart small { color: var(--soluk); display: block; }
.k-ozet-kart small .k-cubuk { margin: 6px 0 4px; }
.k-ozet-ikon { flex: 0 0 auto; width: 52px; height: 52px; border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 1.45rem; }
.k-ozet-ikon.mavi { background: var(--ana-acik); color: var(--ana); }
.k-ozet-ikon.turuncu { background: var(--turuncu-acik); color: var(--turuncu); }
.k-ozet-ikon.yesil { background: var(--yesil-acik); color: var(--yesil); }
.k-izgara-2 { display: grid; grid-template-columns: 1.4fr 1fr; gap: 28px; }
.k-satir { display: flex; align-items: center; gap: 14px; background: #fff; border-radius: 14px; padding: 14px 16px; box-shadow: var(--golge); text-decoration: none; color: inherit; margin-bottom: 10px; transition: transform .15s; }
.k-satir:hover { transform: translateX(3px); color: inherit; }
.k-satir > div { flex: 1; min-width: 0; }
.k-satir strong { display: block; color: var(--koyu); }
.k-satir small { color: var(--soluk); }
.k-satir-ikon { flex: 0 0 auto; width: 42px; height: 42px; border-radius: 12px; background: var(--ana-acik); color: var(--ana); display: flex; align-items: center; justify-content: center; font-size: 1.2rem; }
.k-puan { flex: 0 0 auto; min-width: 46px; height: 46px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; font-family: 'Jost'; font-weight: 700; font-size: 1.1rem; }
.k-puan.iyi { background: var(--yesil-acik); color: var(--yesil); }
.k-puan.zayif { background: var(--kirmizi-acik); color: var(--kirmizi); }
.k-puan.kucuk { min-width: 38px; height: 38px; font-size: .95rem; }
.k-devam { display: flex; gap: 16px; align-items: center; background: #fff; border-radius: var(--yaricap); padding: 12px; box-shadow: var(--golge); text-decoration: none; color: inherit; }
.k-devam-gorsel { width: 150px; aspect-ratio: 16/9; border-radius: 10px; background: var(--koyu) center/cover; display: flex; align-items: center; justify-content: center; flex: 0 0 auto; }
.k-devam-gorsel i { width: 42px; height: 42px; border-radius: 50%; background: rgba(255,255,255,.92); color: var(--koyu); display: flex; align-items: center; justify-content: center; font-size: 1.4rem; }
.k-devam-bilgi { flex: 1; min-width: 0; }
.k-devam-bilgi strong { display: block; color: var(--koyu); }
.k-devam-bilgi small { color: var(--soluk); display: block; margin: 2px 0 8px; }
.k-duyuru { background: #fff; border-radius: 14px; padding: 16px 18px; box-shadow: var(--golge); margin-bottom: 10px; border-left: 4px solid var(--ana); }
.k-duyuru.onemli { border-left-color: var(--turuncu); background: linear-gradient(90deg, var(--turuncu-acik), #fff 40%); }
.k-duyuru-ust { display: flex; justify-content: space-between; gap: 10px; align-items: baseline; }
.k-duyuru-ust strong { color: var(--koyu); }
.k-duyuru-ust time { color: var(--soluk); font-size: .8rem; white-space: nowrap; }
.k-duyuru p { margin: 6px 0 0; color: var(--metin); font-size: .93rem; line-height: 1.55; }
.k-acil { display: flex; gap: 14px; align-items: center; margin-top: 16px; background: var(--kirmizi-acik); border-radius: 14px; padding: 14px 16px; }
.k-acil > i { width: 40px; height: 40px; border-radius: 50%; background: var(--kirmizi); color: #fff; display: flex; align-items: center; justify-content: center; flex: 0 0 auto; }
.k-acil strong { display: block; color: #9b2323; font-family: 'Jost'; font-size: 1.05rem; }
.k-acil span { font-size: .87rem; color: #9b4a4a; }

/* Sınav listesi */
.k-sinav-izgara { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 18px; }
.k-sinav-kart { background: #fff; border-radius: var(--yaricap); box-shadow: var(--golge); padding: 22px; display: flex; flex-direction: column; }
.k-sinav-ust { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.k-sinav-kart h3 { font-size: 1.25rem; margin-bottom: 6px; }
.k-sinav-kart p { color: var(--soluk); font-size: .93rem; }
.k-bilgiler { list-style: none; padding: 0; margin: 4px 0 18px; display: flex; flex-wrap: wrap; gap: 8px; }
.k-bilgiler li { background: var(--zemin); border-radius: 8px; padding: 5px 10px; font-size: .84rem; color: var(--metin); display: flex; gap: 6px; align-items: center; }
.k-bilgiler i { color: var(--ana); }
.k-sinav-kart .k-dugme { margin-top: auto; }
.k-tablo-kutu { background: #fff; border-radius: var(--yaricap); box-shadow: var(--golge); overflow-x: auto; }
.k-tablo { width: 100%; border-collapse: collapse; min-width: 560px; }
.k-tablo th { font-size: .78rem; text-transform: uppercase; letter-spacing: .05em; color: var(--soluk); font-weight: 700; padding: 14px 18px; background: #f8fafc; border-bottom: 1px solid var(--cizgi); }
.k-tablo td { padding: 12px 18px; border-bottom: 1px solid #eef2f6; }
.k-tablo tr:last-child td { border-bottom: 0; }

/* Sınav giriş */
.k-sinav-giris { background: #fff; border-radius: 22px; box-shadow: var(--golge); padding: 36px; text-align: center; }
.k-sinav-giris-ikon { width: 72px; height: 72px; border-radius: 20px; background: var(--ana-acik); color: var(--ana); display: inline-flex; align-items: center; justify-content: center; font-size: 2rem; margin-bottom: 16px; }
.k-sinav-giris h1 { font-size: 1.9rem; }
.k-sinav-olcu { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 24px 0; }
.k-sinav-olcu div { background: var(--zemin); border-radius: 14px; padding: 16px 8px; }
.k-sinav-olcu strong { display: block; font-family: 'Jost'; font-size: 1.9rem; color: var(--koyu); line-height: 1.1; }
.k-sinav-olcu span { color: var(--soluk); font-size: .85rem; }
.k-kurallar { list-style: none; padding: 0; margin: 0 0 26px; text-align: left; display: grid; gap: 10px; }
.k-kurallar li { display: flex; gap: 10px; color: var(--metin); font-size: .95rem; line-height: 1.5; }
.k-kurallar i { color: var(--yesil); font-size: 1.15rem; }
.k-dugme-buyuk i { transition: transform .2s; }
.k-dugme-buyuk:hover i { transform: translateX(4px); }

/* ---------- Sınav çözme ---------- */
.k-sinav-modu { background: #eef3f8; }
.k-cozum { min-height: 100vh; display: flex; flex-direction: column; }
.k-cozum-ust { position: sticky; top: 0; z-index: 50; display: flex; align-items: center; gap: 16px; padding: 12px 24px; background: var(--koyu); color: #fff; }
.k-cozum-ad { display: flex; align-items: center; gap: 10px; font-family: 'Jost'; font-weight: 600; font-size: 1.05rem; flex: 1; min-width: 0; }
.k-cozum-ad span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.k-cozum-ad i { color: #8fdcf7; }
.k-sayac { display: flex; align-items: center; gap: 8px; background: rgba(255,255,255,.1); padding: 7px 14px; border-radius: 10px; font-family: 'Jost'; font-weight: 600; font-size: 1.1rem; font-variant-numeric: tabular-nums; }
.k-sayac.az { background: var(--kirmizi); animation: k-yanip 1s step-end infinite; }
@keyframes k-yanip { 50% { opacity: .75; } }
.k-cozum-ilerleme { height: 4px; background: rgba(9,30,62,.08); }
.k-cozum-ilerleme i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--ana), #5fd0f5); transition: width .3s; }
.k-cozum-govde { flex: 1; display: grid; grid-template-columns: 1fr 300px; gap: 24px; max-width: 1180px; width: 100%; margin: 0 auto; padding: 28px 24px 40px; align-items: start; }
.k-soru-kart { background: #fff; border-radius: 20px; box-shadow: var(--golge); padding: 32px; min-height: 360px; animation: k-gir .25s ease; }
@keyframes k-gir { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.k-soru-no { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.k-soru-no span { font-family: 'Jost'; font-weight: 700; color: var(--ana); letter-spacing: .04em; }
.k-soru-no em { font-style: normal; color: var(--turuncu); font-size: .85rem; font-weight: 700; }
.k-soru-metin { font-size: 1.2rem; line-height: 1.55; color: var(--koyu); font-weight: 600; margin-bottom: 24px; white-space: pre-line; }
.k-secenekler { display: grid; gap: 12px; }
.k-secenek { display: flex; align-items: center; gap: 14px; width: 100%; text-align: left; background: #fff; border: 2px solid var(--cizgi); border-radius: 14px; padding: 14px 16px; font-size: 1.02rem; color: var(--metin); cursor: pointer; transition: border-color .15s, background .15s, transform .1s; line-height: 1.45; }
.k-secenek:hover { border-color: #b9dff0; background: #f7fcfe; }
.k-secenek:active { transform: scale(.995); }
.k-secenek b { flex: 0 0 auto; width: 36px; height: 36px; border-radius: 10px; background: var(--zemin); color: var(--koyu); display: flex; align-items: center; justify-content: center; font-family: 'Jost'; transition: background .15s, color .15s; }
.k-secenek.secili { border-color: var(--ana); background: var(--ana-acik); }
.k-secenek.secili b { background: var(--ana); color: #fff; }
.k-soru-alt { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-top: 18px; }
.k-isaret { border: 0; background: none; color: var(--soluk); font-weight: 600; display: flex; gap: 6px; align-items: center; padding: 10px 12px; border-radius: 10px; }
.k-isaret:hover { background: #fff; }
.k-isaret.aktif { color: var(--turuncu); }
.k-gezgin { position: sticky; top: 92px; background: #fff; border-radius: 20px; box-shadow: var(--golge); padding: 20px; }
.k-gezgin-ust { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 14px; }
.k-gezgin-ust strong { font-family: 'Jost'; color: var(--koyu); font-size: 1.05rem; }
.k-gezgin-ust span { color: var(--soluk); font-size: .88rem; }
.k-gezgin-izgara { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; max-height: 50vh; overflow-y: auto; padding: 2px; }
.k-gezgin-izgara button { aspect-ratio: 1; border: 1.5px solid var(--cizgi); background: #fff; border-radius: 10px; font-weight: 700; color: var(--soluk); font-size: .9rem; position: relative; cursor: pointer; }
.k-gezgin-izgara button.cevapli { background: var(--ana); border-color: var(--ana); color: #fff; }
.k-gezgin-izgara button.isaretli::after { content: ""; position: absolute; top: -4px; right: -4px; width: 12px; height: 12px; border-radius: 50%; background: var(--turuncu); border: 2px solid #fff; }
.k-gezgin-izgara button.simdi { box-shadow: 0 0 0 3px rgba(6,163,218,.35); border-color: var(--ana); color: var(--koyu); }
.k-gezgin-izgara button.cevapli.simdi { color: #fff; }
.k-gezgin-acik { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 14px; font-size: .8rem; color: var(--soluk); }
.k-gezgin-acik span { display: flex; align-items: center; gap: 5px; }
.k-gezgin-acik i { width: 12px; height: 12px; border-radius: 4px; border: 1.5px solid var(--cizgi); }
.k-gezgin-acik i.cevapli { background: var(--ana); border-color: var(--ana); }
.k-gezgin-acik i.isaretli { background: var(--turuncu); border-color: var(--turuncu); border-radius: 50%; }
.k-modal { position: fixed; inset: 0; z-index: 1000; background: rgba(9,30,62,.55); display: flex; align-items: center; justify-content: center; padding: 20px; animation: k-sol .2s; }
@keyframes k-sol { from { opacity: 0; } }
.k-modal-kutu { background: #fff; border-radius: 20px; padding: 28px; max-width: 440px; width: 100%; box-shadow: 0 30px 80px rgba(0,0,0,.3); }
.k-modal-kutu h2 { font-size: 1.35rem; }
.k-modal-kutu p { color: var(--soluk); }
.k-modal-dugmeler { display: flex; gap: 10px; justify-content: flex-end; margin-top: 20px; }
.k-kayit-durum { font-size: .8rem; color: rgba(255,255,255,.6); display: flex; align-items: center; gap: 5px; white-space: nowrap; }

/* Sonuç */
.k-sonuc { background: #fff; border-radius: 22px; box-shadow: var(--golge); padding: 36px 28px 28px; text-align: center; position: relative; overflow: hidden; }
.k-sonuc::before { content: ""; position: absolute; inset: 0 0 auto; height: 6px; background: var(--yesil); }
.k-sonuc.kaldi::before { background: var(--kirmizi); }
.k-halka { width: 170px; height: 170px; transform: rotate(-90deg); }
.k-halka-iz { fill: none; stroke: #eef2f6; stroke-width: 10; }
.k-halka-deger { fill: none; stroke: var(--yesil); stroke-width: 10; stroke-linecap: round; animation: k-halka 1.2s ease-out; }
.kaldi .k-halka-deger { stroke: var(--kirmizi); }
@keyframes k-halka { from { stroke-dashoffset: 339.3; } }
.k-sonuc-puan { position: absolute; top: 36px; left: 0; right: 0; height: 170px; display: flex; flex-direction: column; align-items: center; justify-content: center; pointer-events: none; }
.k-sonuc-puan strong { font-family: 'Jost'; font-size: 3.2rem; line-height: 1; color: var(--koyu); }
.k-sonuc-puan span { color: var(--soluk); font-size: .9rem; }
.k-sonuc h1 { font-size: 1.7rem; margin: 14px 0 4px; }
.k-sonuc > p { color: var(--soluk); }
.k-sonuc-sayilar { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin: 22px 0; }
.k-sonuc-sayilar div { background: var(--zemin); border-radius: 14px; padding: 12px 6px; }
.k-sonuc-sayilar strong { display: block; font-family: 'Jost'; font-size: 1.5rem; color: var(--koyu); }
.k-sonuc-sayilar span { font-size: .82rem; color: var(--soluk); }
.k-sonuc-sayilar .dogru strong { color: var(--yesil); } .k-sonuc-sayilar .yanlis strong { color: var(--kirmizi); } .k-sonuc-sayilar .bos strong { color: #98a1b0; }
.k-sonuc-dugmeler { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.k-inceleme-ust { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin: 30px 0 14px; }
.k-filtre { display: inline-flex; background: #fff; border-radius: 12px; padding: 4px; box-shadow: var(--golge); }
.k-filtre button { border: 0; background: none; padding: 7px 14px; border-radius: 9px; font-weight: 600; color: var(--soluk); font-size: .88rem; }
.k-filtre button.aktif { background: var(--koyu); color: #fff; }
.k-inceleme { display: grid; gap: 12px; }
.k-inceleme-soru { display: flex; gap: 16px; background: #fff; border-radius: 16px; box-shadow: var(--golge); padding: 20px; }
.k-inceleme-no { flex: 0 0 auto; display: flex; flex-direction: column; align-items: center; gap: 6px; }
.k-inceleme-no span { font-family: 'Jost'; font-weight: 700; color: var(--soluk); }
.k-inceleme-no i { width: 30px; height: 30px; border-radius: 50%; display: flex; align-items: center; justify-content: center; background: #eef1f5; color: #98a1b0; }
.dogru .k-inceleme-no i { background: var(--yesil-acik); color: var(--yesil); }
.yanlis .k-inceleme-no i { background: var(--kirmizi-acik); color: var(--kirmizi); }
.k-inceleme-icerik { flex: 1; min-width: 0; }
.k-inceleme-metin { font-weight: 600; color: var(--koyu); margin-bottom: 12px; }
.k-inceleme ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.k-inceleme li { display: flex; gap: 10px; align-items: center; padding: 8px 12px; border-radius: 10px; font-size: .94rem; }
.k-inceleme li b { flex: 0 0 auto; width: 26px; height: 26px; border-radius: 7px; background: var(--zemin); display: flex; align-items: center; justify-content: center; font-size: .85rem; }
.k-inceleme li span { flex: 1; }
.k-inceleme li em { font-style: normal; font-size: .75rem; font-weight: 700; padding: 2px 8px; border-radius: 10px; background: rgba(0,0,0,.06); white-space: nowrap; }
.k-inceleme li.dogru { background: var(--yesil-acik); color: #0b6b4a; }
.k-inceleme li.dogru b { background: var(--yesil); color: #fff; }
.k-inceleme li.yanlis { background: var(--kirmizi-acik); color: #9b2323; }
.k-inceleme li.yanlis b { background: var(--kirmizi); color: #fff; }
.k-aciklama { display: flex; gap: 10px; margin-top: 12px; padding: 12px 14px; background: var(--sari-acik); border-radius: 10px; color: #6b4a0e; font-size: .92rem; }
.k-aciklama i { color: var(--sari); }

/* ---------- Kitaplar ---------- */
.k-raf { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 28px 22px; }
.k-kitap-kart { text-decoration: none; color: inherit; display: block; }
.k-kitap-kapak { aspect-ratio: 3/4.1; border-radius: 4px 12px 12px 4px; overflow: hidden; box-shadow: inset 6px 0 10px -6px rgba(0,0,0,.35), 0 12px 28px rgba(9,30,62,.18), 0 2px 4px rgba(9,30,62,.1); position: relative; margin-bottom: 12px; transition: transform .25s, box-shadow .25s; background: #fff; }
.k-kitap-kapak::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(0,0,0,.18) 0, rgba(255,255,255,.15) 3%, transparent 7%); pointer-events: none; }
.k-kitap-kart:hover .k-kitap-kapak { transform: translateY(-4px) rotate(-1deg); box-shadow: inset 6px 0 10px -6px rgba(0,0,0,.35), 0 20px 40px rgba(9,30,62,.22); }
.k-kitap-kapak img { width: 100%; height: 100%; object-fit: cover; display: block; }
.k-kitap-yer { width: 100%; height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; padding: 18px; text-align: center; background: linear-gradient(160deg, var(--ana), var(--koyu)); color: #fff; font-family: 'Jost'; font-weight: 600; }
.k-kitap-yer i { font-size: 2.4rem; opacity: .8; }
.k-kitap-kart strong { display: block; color: var(--koyu); font-family: 'Jost'; font-size: 1.05rem; line-height: 1.3; }
.k-kitap-kart small { color: var(--soluk); display: block; margin: 2px 0 6px; }

/* ---------- Kitap okuyucu ---------- */
.k-okuma-modu { background: #1d2430; overflow: hidden; }
.k-okuyucu { position: fixed; inset: 0; display: flex; flex-direction: column; color: #e9eef5;
    background: radial-gradient(1000px 600px at 50% 40%, #3a4558 0%, #232b38 55%, #161c26 100%); user-select: none; -webkit-user-select: none; }
.k-okuyucu-ust { display: flex; align-items: center; gap: 12px; padding: 10px 16px; padding-top: max(10px, env(safe-area-inset-top)); z-index: 5; }
.k-okuyucu-ad { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.k-okuyucu-ad strong { font-family: 'Jost'; font-weight: 600; font-size: 1.05rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; color: #fff; }
.k-okuyucu-ad span { font-size: .8rem; color: rgba(233,238,245,.6); }
.k-okuyucu-araclar { display: flex; gap: 4px; }
.k-okuyucu .k-ikon-dugme { color: #e9eef5; }
.k-sahne { touch-action: manipulation; flex: 1; position: relative; display: flex; align-items: center; justify-content: center; min-height: 0; padding: 4px 60px; }
.k-cevir { position: absolute; top: 50%; transform: translateY(-50%); z-index: 20; width: 48px; height: 48px; border-radius: 50%; border: 0; background: rgba(255,255,255,.1); color: #fff; font-size: 1.4rem; display: flex; align-items: center; justify-content: center; transition: background .15s, opacity .2s; cursor: pointer; }
.k-cevir:hover { background: rgba(255,255,255,.2); }
.k-cevir:disabled { opacity: 0; pointer-events: none; }
.k-cevir-geri { left: 10px; } .k-cevir-ileri { right: 10px; }
.k-okuyucu-alt { display: flex; align-items: center; gap: 16px; padding: 10px 24px 14px; padding-bottom: max(14px, env(safe-area-inset-bottom)); }
.k-okuyucu-alt input[type=range] { flex: 1; accent-color: var(--ana); }
.k-sayfa-git { display: flex; align-items: center; gap: 6px; font-variant-numeric: tabular-nums; color: rgba(233,238,245,.75); }
.k-sayfa-git input { width: 64px; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.15); color: #fff; border-radius: 8px; padding: 5px 8px; text-align: center; -moz-appearance: textfield; }
.k-sayfa-git input::-webkit-inner-spin-button { -webkit-appearance: none; }
.k-yukleniyor { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 18px; color: rgba(233,238,245,.75); z-index: 30; }
.k-yuk-kitap { width: 70px; height: 50px; position: relative; perspective: 300px; }
.k-yuk-kitap i { position: absolute; left: 50%; top: 0; width: 34px; height: 50px; background: #e9eef5; border-radius: 0 4px 4px 0; transform-origin: left center; animation: k-yuk-sayfa 1.4s ease-in-out infinite; }
.k-yuk-kitap i:nth-child(2) { animation-delay: .18s; opacity: .8; } .k-yuk-kitap i:nth-child(3) { animation-delay: .36s; opacity: .6; }
@keyframes k-yuk-sayfa { 0%, 15% { transform: rotateY(0); } 60%, 100% { transform: rotateY(-180deg); } }

/* Kitabın kendisi (flip motoru: kitap.js) */
.k-kitap { position: relative; perspective: 4200px; transition: transform .6s cubic-bezier(.4,.1,.2,1); }
.k-kitap-govde { position: absolute; inset: 0; }
.k-yaprak { position: absolute; top: 0; height: 100%; transform-style: preserve-3d; transition: transform .9s cubic-bezier(.45,.05,.25,1); will-change: transform; cursor: pointer; }
.k-yaprak.anlik { transition: none !important; }
.k-yuz { position: absolute; inset: 0; backface-visibility: hidden; -webkit-backface-visibility: hidden; background: #fdfcf8; overflow: hidden; }
.k-yuz canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.k-yuz.arka { transform: rotateY(180deg); }
.k-yuz::after { content: ""; position: absolute; inset: 0; pointer-events: none; transition: opacity .9s; }
/* Sırt gölgeleri */
.k-yuz.on::after { background: linear-gradient(90deg, rgba(0,0,0,.22) 0, rgba(0,0,0,.06) 2.5%, transparent 7%, transparent 96%, rgba(255,255,255,.08) 100%); }
.k-yuz.arka::after { background: linear-gradient(270deg, rgba(0,0,0,.22) 0, rgba(0,0,0,.06) 2.5%, transparent 7%); }
.k-tek .k-yuz.on::after { background: linear-gradient(90deg, rgba(0,0,0,.08) 0, transparent 3%); }
/* Çevirme sırasında ışık */
.k-yuz .k-isik { position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity .45s; }
.k-yaprak.donuyor .k-yuz.on .k-isik { opacity: 1; background: linear-gradient(90deg, rgba(0,0,0,.0) 0%, rgba(0,0,0,.18) 100%); }
.k-yaprak.donuyor .k-yuz.arka .k-isik { opacity: 1; background: linear-gradient(270deg, rgba(0,0,0,.0) 0%, rgba(0,0,0,.18) 100%); }
/* Not: dönen yaprağa filter verilmez; 3B arka yüz gizlemeyi bozar */
.k-yaprak.donuyor .k-yuz { box-shadow: 0 6px 22px rgba(0,0,0,.28); }
.k-sayfa-yuk { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; color: #c5c9d1; font-family: 'Jost'; font-size: 1.4rem; }
.k-kitap-golge { position: absolute; inset: 0; box-shadow: 0 30px 60px rgba(0,0,0,.45), 0 8px 18px rgba(0,0,0,.3); border-radius: 3px; pointer-events: none; }
.k-kitap-sirt { position: absolute; top: 0; bottom: 0; width: 2px; left: 50%; margin-left: -1px; background: rgba(0,0,0,.15); z-index: 0; pointer-events: none; }
.k-tek .k-kitap-sirt { display: none; }
/* Köşe ipucu */
.k-kose { position: absolute; right: 0; bottom: 0; width: 0; height: 0; z-index: 3; transition: width .25s, height .25s; background: linear-gradient(315deg, transparent 50%, #e8e4da 50%, #fdfcf8 75%); box-shadow: -2px -2px 6px rgba(0,0,0,.12); pointer-events: none; }
.k-sahne:hover .k-yaprak.ust .k-kose { width: 36px; height: 36px; }
.k-kucukler { position: absolute; left: 0; right: 0; bottom: 64px; z-index: 40; background: rgba(15,20,28,.92); backdrop-filter: blur(8px); padding: 14px 16px; border-top: 1px solid rgba(255,255,255,.08); }
.k-kucukler-ic { display: flex; gap: 12px; overflow-x: auto; padding-bottom: 6px; scroll-snap-type: x proximity; }
.k-kucukler-ic button { flex: 0 0 auto; width: 84px; border: 0; background: none; color: rgba(233,238,245,.7); font-size: .78rem; padding: 0; scroll-snap-align: center; cursor: pointer; }
.k-kucukler-ic canvas, .k-kucukler-ic .k-kucuk-bos { display: block; width: 84px; height: auto; aspect-ratio: var(--oran, .707); background: #fdfcf8; border-radius: 3px; margin-bottom: 4px; border: 2px solid transparent; }
.k-kucukler-ic button.aktif canvas, .k-kucukler-ic button.aktif .k-kucuk-bos { border-color: var(--ana); }
.k-kucukler-ic button.aktif { color: #fff; }
.k-zoom { position: absolute; inset: 0; z-index: 60; background: #0f141c; display: flex; flex-direction: column; }
.k-zoom-ust { display: flex; align-items: center; gap: 12px; padding: 8px 14px; padding-top: max(8px, env(safe-area-inset-top)); background: #151b25; border-bottom: 1px solid rgba(255,255,255,.07); }
.k-zoom-ust strong { flex: 1; font-family: 'Jost'; font-weight: 600; color: #fff; }
.k-zoom-araclar { display: flex; align-items: center; gap: 4px; background: rgba(255,255,255,.07); border-radius: 12px; padding: 3px; }
.k-zoom-yuzde { border: 0; background: none; color: #e9eef5; font-weight: 700; font-variant-numeric: tabular-nums; min-width: 58px; height: 36px; border-radius: 9px; }
.k-zoom-yuzde:hover { background: rgba(255,255,255,.1); }
.k-zoom-alan { flex: 1; overflow: auto; text-align: center; -webkit-overflow-scrolling: touch; padding: 16px 12px 40px; cursor: grab; touch-action: pan-x pan-y; }
.k-zoom-alan.suruk { cursor: grabbing; user-select: none; }
.k-zoom-alan canvas { background: #fff; box-shadow: 0 10px 40px rgba(0,0,0,.5); max-width: none; display: inline-block; vertical-align: top; }
.k-zoom-ok { top: 55%; }
.k-buyut-dugme { width: auto; padding: 0 12px; gap: 6px; background: var(--ana); color: #fff !important; font-weight: 700; font-size: .9rem; }
.k-buyut-dugme:hover { background: var(--ana-koyu) !important; }
.k-ipucu { position: absolute; left: 50%; bottom: 78px; transform: translateX(-50%); z-index: 45; display: flex; gap: 10px; align-items: center; background: rgba(255,255,255,.96); color: var(--koyu); padding: 12px 16px; border-radius: 14px; box-shadow: 0 12px 30px rgba(0,0,0,.35); max-width: calc(100% - 32px); font-size: .92rem; transition: opacity .5s; }
.k-ipucu i { font-size: 1.3rem; color: var(--ana); }
.k-ipucu.gizle { opacity: 0; }
@media (max-width: 767.98px) { .k-buyut-dugme span { display: none; } .k-buyut-dugme { padding: 0 10px; } .k-okuyucu .k-zoom-ok { display: flex; top: auto; bottom: max(16px, env(safe-area-inset-bottom)); transform: none; background: rgba(9,30,62,.72); } }
.k-okuyucu:fullscreen { background: radial-gradient(1000px 600px at 50% 40%, #3a4558 0%, #232b38 55%, #161c26 100%); }

/* ---------- Videolar ---------- */
.k-ara { position: relative; display: block; width: min(320px, 100%); }
.k-ara i { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--soluk); }
.k-ara input { width: 100%; border: 1.5px solid var(--cizgi); border-radius: 12px; padding: 11px 14px 11px 40px; background: #fff; font-size: .95rem; }
.k-ara input:focus { outline: 0; border-color: var(--ana); box-shadow: 0 0 0 4px rgba(6,163,218,.12); }
.k-cipler { display: flex; gap: 8px; overflow-x: auto; padding: 2px 2px 8px; margin-bottom: 10px; scrollbar-width: none; }
.k-cipler::-webkit-scrollbar { display: none; }
.k-cipler button { flex: 0 0 auto; border: 1.5px solid var(--cizgi); background: #fff; border-radius: 30px; padding: 8px 16px; font-weight: 600; color: var(--metin); font-size: .9rem; transition: all .15s; }
.k-cipler button:hover { border-color: var(--ana); }
.k-cipler button.aktif { background: var(--koyu); border-color: var(--koyu); color: #fff; }
.k-v-bolum { margin-bottom: 34px; }
.k-v-bolum-ust { display: flex; justify-content: space-between; align-items: flex-end; gap: 12px; margin-bottom: 14px; }
.k-v-bolum-ust h2 { font-size: 1.35rem; margin: 0; }
.k-v-bolum-ust p { color: var(--soluk); margin: 2px 0 0; font-size: .92rem; }
.k-v-sayac { flex: 0 0 auto; font-size: .82rem; font-weight: 700; padding: 5px 12px; border-radius: 20px; background: #fff; color: var(--soluk); box-shadow: var(--golge); }
.k-v-sayac.tamam { background: var(--yesil-acik); color: var(--yesil); }
.k-v-izgara { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 22px 18px; }
.k-v-kart { text-decoration: none; color: inherit; display: block; }
.k-v-gorsel { position: relative; aspect-ratio: 16/9; border-radius: 14px; overflow: hidden; margin-bottom: 10px; background: linear-gradient(135deg, var(--koyu), #0b3a6e) center/cover; box-shadow: var(--golge); }
.k-v-gorsel::before { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,.45)); transition: background .2s; }
.k-v-kart:hover .k-v-gorsel::before { background: linear-gradient(180deg, rgba(0,0,0,.15), rgba(0,0,0,.5)); }
.k-v-oynat { position: absolute; left: 50%; top: 50%; width: 52px; height: 52px; margin: -26px 0 0 -26px; border-radius: 50%; background: rgba(255,255,255,.95); color: var(--koyu); display: flex; align-items: center; justify-content: center; font-size: 1.6rem; padding-left: 3px; transform: scale(.85); opacity: .9; transition: transform .2s, opacity .2s; }
.k-v-kart:hover .k-v-oynat { transform: scale(1); opacity: 1; }
.k-v-no { position: absolute; left: 10px; top: 10px; background: rgba(9,30,62,.75); color: #fff; font-weight: 700; font-size: .78rem; border-radius: 8px; padding: 3px 8px; }
.k-v-sure { position: absolute; right: 10px; bottom: 10px; background: rgba(0,0,0,.75); color: #fff; font-size: .78rem; font-weight: 600; border-radius: 6px; padding: 2px 7px; font-variant-numeric: tabular-nums; }
.k-v-izlendi { position: absolute; right: 10px; top: 10px; background: var(--yesil); color: #fff; font-size: .75rem; font-weight: 700; border-radius: 8px; padding: 3px 8px; display: flex; gap: 4px; align-items: center; }
.k-v-cubuk { position: absolute; left: 0; right: 0; bottom: 0; height: 4px; background: rgba(255,255,255,.3); }
.k-v-cubuk i { display: block; height: 100%; background: var(--turuncu); }
.k-v-kart strong { display: block; color: var(--koyu); font-weight: 700; line-height: 1.35; }
.k-v-kart small { display: block; color: var(--soluk); margin-top: 3px; font-size: .86rem; line-height: 1.45; }

.k-video-duzen { display: grid; grid-template-columns: 1fr 340px; gap: 24px; align-items: start; }
.k-oynatici { position: relative; background: #000; border-radius: 16px; overflow: hidden; aspect-ratio: 16/9; box-shadow: 0 14px 40px rgba(9,30,62,.2); }
.k-oynatici video, .k-oynatici iframe, #yt-oynatici { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; background: #000; }
.k-sonraki-kutu { position: absolute; right: 16px; bottom: 64px; background: rgba(9,30,62,.92); color: #fff; border-radius: 14px; padding: 14px 16px; max-width: 300px; z-index: 5; }
.k-sonraki-kutu span { font-size: .78rem; color: #8fdcf7; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; }
.k-sonraki-kutu strong { display: block; margin: 2px 0 10px; color: #fff; font-family: 'Jost'; }
.k-sonraki-kutu div { display: flex; gap: 8px; }
.k-video-bilgi { padding: 18px 2px; }
.k-video-bilgi h1 { font-size: 1.6rem; margin: 6px 0 8px; }
.k-video-bilgi p { color: var(--metin); line-height: 1.65; }
.k-etiket-kucuk { display: inline-block; background: var(--ana-acik); color: var(--ana-koyu); font-weight: 700; font-size: .78rem; border-radius: 8px; padding: 3px 10px; }
.k-izlendi-rozet { display: inline-flex; gap: 6px; align-items: center; color: var(--yesil); font-weight: 700; }
.k-oynatma-listesi { background: #fff; border-radius: 16px; box-shadow: var(--golge); overflow: hidden; position: sticky; top: 88px; }
.k-ol-ust { display: flex; justify-content: space-between; padding: 16px 18px; border-bottom: 1px solid var(--cizgi); }
.k-ol-ust strong { color: var(--koyu); font-family: 'Jost'; font-size: 1.05rem; }
.k-ol-ust span { color: var(--soluk); font-size: .88rem; }
.k-ol-liste { max-height: calc(100vh - 200px); overflow-y: auto; padding: 6px; }
.k-ol-oge { display: flex; align-items: center; gap: 10px; padding: 8px; border-radius: 10px; text-decoration: none; color: var(--metin); }
.k-ol-oge:hover { background: var(--zemin); color: var(--metin); }
.k-ol-oge.aktif { background: var(--ana-acik); }
.k-ol-durum { flex: 0 0 22px; text-align: center; font-size: .82rem; color: var(--soluk); font-weight: 700; }
.k-ol-oge.aktif .k-ol-durum { color: var(--ana); }
.k-ol-durum .bi-check-lg { color: var(--yesil); }
.k-ol-gorsel { flex: 0 0 100px; aspect-ratio: 16/9; border-radius: 8px; background: linear-gradient(135deg, var(--koyu), #0b3a6e) center/cover; position: relative; }
.k-ol-gorsel em { position: absolute; right: 4px; bottom: 4px; font-style: normal; background: rgba(0,0,0,.75); color: #fff; font-size: .7rem; padding: 0 5px; border-radius: 4px; }
.k-ol-ad { font-size: .9rem; font-weight: 600; line-height: 1.35; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* Profil */
.k-profil-ust { display: flex; gap: 16px; align-items: center; margin-bottom: 18px; }
.k-profil-ust strong { display: block; font-family: 'Jost'; font-size: 1.3rem; color: var(--koyu); }
.k-profil-ust span { color: var(--soluk); }
.k-profil-bilgi { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin: 0; }
.k-profil-bilgi dt { font-size: .8rem; color: var(--soluk); font-weight: 600; }
.k-profil-bilgi dd { margin: 0; color: var(--koyu); font-weight: 600; }

/* =================== Mobil =================== */
@media (max-width: 991.98px) {
    .k-izgara-2 { grid-template-columns: 1fr; gap: 0; }
    .k-video-duzen { grid-template-columns: 1fr; }
    .k-oynatma-listesi { position: static; }
    .k-cozum-govde { grid-template-columns: 1fr; padding: 16px 14px 120px; }
    .k-gezgin { position: fixed; left: 0; right: 0; bottom: 0; top: auto; border-radius: 20px 20px 0 0; z-index: 60; padding: 12px 16px; padding-bottom: max(12px, env(safe-area-inset-bottom)); box-shadow: 0 -10px 30px rgba(9,30,62,.12); }
    .k-gezgin-izgara { display: flex; overflow-x: auto; max-height: none; gap: 6px; padding-bottom: 4px; }
    .k-gezgin-izgara button { flex: 0 0 40px; height: 40px; }
    .k-gezgin-ust { margin-bottom: 8px; }
    .k-gezgin-acik { display: none; }
}
@media (max-width: 767.98px) {
    :root { --alt-bar: 64px; }
    body.k-ic:not(.k-sinav-modu):not(.k-okuma-modu) { padding-bottom: calc(var(--alt-bar) + env(safe-area-inset-bottom)); }
    .k-ust { height: 58px; padding: 0 14px; gap: 10px; background: #fff; backdrop-filter: none; -webkit-backdrop-filter: none; } /* backdrop-filter, sabit alt menüyü başlığa hapseder */
    .k-logo img { height: 32px; }
    .k-logo span { font-size: .95rem; padding-left: 10px; }
    .k-menu { position: fixed; left: 0; right: 0; bottom: 0; z-index: 200; margin: 0; justify-content: space-around; gap: 0; background: rgba(255,255,255,.96); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-top: 1px solid var(--cizgi); padding: 6px 4px; padding-bottom: max(6px, env(safe-area-inset-bottom)); }
    .k-menu a { flex: 1; flex-direction: column; gap: 2px; padding: 6px 4px; font-size: .72rem; border-radius: 10px; }
    .k-menu a i { font-size: 1.35rem; }
    .k-menu a.aktif { background: none; color: var(--ana); }
    .k-kisi { margin-left: auto; }
    .k-sayfa { padding: 20px 16px 32px; }
    .k-baslik h1 { font-size: 1.6rem; }
    .k-karsilama { padding: 22px 20px; border-radius: 18px; }
    .k-karsilama h1 { font-size: 1.75rem; }
    .k-karsilama-ikon { display: none; }
    .k-ozet { grid-template-columns: 1fr; gap: 10px; }
    .k-ozet-kart { padding: 14px 16px; }
    .k-ozet-ikon { width: 44px; height: 44px; font-size: 1.25rem; }
    .k-ozet-kart strong { font-size: 1.2rem; }
    .k-sinav-giris { padding: 24px 18px; }
    .k-sinav-olcu strong { font-size: 1.5rem; }
    .k-soru-kart { padding: 22px 18px; min-height: 0; border-radius: 16px; }
    .k-soru-metin { font-size: 1.08rem; }
    .k-secenek { padding: 12px; font-size: .98rem; }
    .k-secenek b { width: 32px; height: 32px; }
    .k-cozum-ust { padding: 10px 14px; gap: 10px; }
    .k-cozum-ad span { font-size: .95rem; }
    .k-soru-alt .k-dugme span { display: none; }
    .k-soru-alt .k-dugme { padding: 12px 18px; }
    .k-sonuc-sayilar { grid-template-columns: repeat(2, 1fr); }
    .k-inceleme-soru { padding: 16px 14px; gap: 10px; }
    .k-v-izgara { grid-template-columns: 1fr 1fr; gap: 16px 12px; }
    .k-v-oynat { width: 40px; height: 40px; margin: -20px 0 0 -20px; font-size: 1.25rem; }
    .k-v-kart small { display: none; }
    .k-raf { grid-template-columns: 1fr 1fr; gap: 22px 16px; }
    .k-oynatici { border-radius: 0; margin: 0 -16px; }
    .k-video-sayfa { padding-top: 12px; }
    .k-devam-gorsel { width: 110px; }
    .k-sahne { padding: 4px 6px; }
    .k-cevir { display: none; }
    .k-okuyucu-alt { padding: 8px 14px 12px; }
    .k-okuyucu-araclar #k-ses { display: none; }
    .k-profil-bilgi { grid-template-columns: 1fr; }
    .k-tablo { min-width: 520px; }
}
@media (max-width: 420px) { .k-v-izgara { grid-template-columns: 1fr; } .k-v-kart small { display: block; } .k-logo span { display: none; } }
@media (prefers-reduced-motion: reduce) { .k-yaprak { transition-duration: .01s !important; } * { animation: none !important; } }