/* KBB Eğitim Araçları — ortak stil
   Sahne: koyu, hafif ılık muayene odası; görüntü dairesi kahraman. Tek vurgu: endoskop ışığı (amber). */
@import url('https://fonts.googleapis.com/css2?family=Hanken+Grotesk:wght@400;500;600;700&display=swap');

:root {
  --bg: #202226;
  --bg-2: #27292e;
  --surface: #2e3137;
  --line: #3b3f47;
  --text: #f1ede4;
  --text-2: #b8b3a8;
  --text-3: #7f7b73;
  --amber: #e5be6a;
  --amber-2: rgba(229,190,106,.18);
  --ok: #8fc49a;
  --ok-2: rgba(143,196,154,.16);
  --bad: #d98a86;
  --bad-2: rgba(217,138,134,.16);
  --r: 14px;
  --r-s: 9px;
  --font: "Hanken Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.5; font-size: 16px; }
a { color: var(--amber); text-decoration: none; }
a:hover { text-decoration: underline; }
button { font: inherit; }
:focus-visible { outline: 2px solid var(--amber); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }

/* --- Ana sayfa --- */
.site-header { max-width: 980px; margin: 0 auto; padding: 3rem 1rem 1rem; }
.site-header h1 { margin: 0 0 .3rem; font-size: 2rem; font-weight: 700; letter-spacing: -.01em; }
.site-header p { margin: 0; color: var(--text-2); max-width: 60ch; }
main { max-width: 980px; margin: 0 auto; padding: 1rem; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: .9rem; }
.card { display: block; background: var(--surface); border-radius: var(--r); padding: 1.25rem 1.25rem 1.1rem; color: inherit; border: 1px solid transparent; }
.card:hover { border-color: var(--line); text-decoration: none; }
.card h2 { margin: 0 0 .35rem; font-size: 1.1rem; font-weight: 600; }
.card p { margin: 0; color: var(--text-2); font-size: .93rem; }
.card .badge { display: inline-block; margin-top: .8rem; font-size: .78rem; padding: .15rem .55rem; border-radius: 999px; background: var(--bg-2); color: var(--text-3); }
.card .badge.aktif { background: var(--amber-2); color: var(--amber); }
.site-footer { max-width: 980px; margin: 2rem auto; padding: 1rem; color: var(--text-3); font-size: .85rem; }

/* --- Araç sayfası iskeleti --- */
.ust-cubuk { position: sticky; top: 0; z-index: 10; background: var(--bg); }
.ust-cubuk .ic { max-width: 1100px; margin: 0 auto; padding: .7rem 1rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.ust-cubuk .baslik { font-weight: 600; }
.ust-cubuk .baslik a { color: var(--text-2); font-weight: 400; }
.ust-cubuk .sag { color: var(--text-2); font-size: .9rem; display: flex; gap: .75rem; align-items: center; }
.ilerleme { height: 3px; background: var(--line); }
.ilerleme > div { height: 100%; background: var(--amber); width: 0; transition: width .3s; }
.quiz-main { max-width: 1100px; margin: 0 auto; padding: 1rem; }

/* düğmeler */
.btn { display: inline-flex; align-items: center; gap: .4rem; padding: .65rem 1.1rem; border-radius: var(--r-s); border: 1px solid transparent; background: var(--amber); color: #1d1a12; font-weight: 600; cursor: pointer; }
.btn:hover { filter: brightness(1.06); }
.btn.ikincil { background: var(--surface); color: var(--text); border-color: var(--line); }
.btn.kucuk { padding: .35rem .7rem; font-size: .85rem; font-weight: 500; }
.btn.yumusak { background: transparent; color: var(--text-2); border-color: var(--line); }

/* --- Başlangıç ekranı --- */
.baslangic { display: grid; gap: 1.5rem; max-width: 640px; margin: 1rem auto; }
.baslangic h1 { margin: 0; font-size: 1.9rem; letter-spacing: -.01em; }
.baslangic .alt { color: var(--text-2); margin: .25rem 0 0; }
.secim-grup h2 { font-size: .95rem; font-weight: 600; margin: 0 0 .5rem; color: var(--text-2); }
.modlar { display: grid; gap: .5rem; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); }
.mod { text-align: left; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: .9rem 1rem; color: var(--text); cursor: pointer; }
.mod strong { display: block; font-weight: 600; margin-bottom: .15rem; }
.mod span { color: var(--text-2); font-size: .88rem; }
.mod.secili { border-color: var(--amber); background: var(--amber-2); }
.mod:disabled { opacity: .45; cursor: not-allowed; }
.cipler { display: flex; flex-wrap: wrap; gap: .4rem; }
.cip { padding: .35rem .75rem; border-radius: 999px; border: 1px solid var(--line); background: transparent; color: var(--text-2); cursor: pointer; font-size: .9rem; }
.cip.secili { border-color: var(--amber); color: var(--amber); background: var(--amber-2); }
.zayif { background: var(--surface); border-radius: var(--r); padding: .9rem 1rem; }
.zayif h2 { font-size: .95rem; margin: 0 0 .4rem; }
.zayif ul { margin: 0; padding: 0; list-style: none; display: grid; gap: .25rem; }
.zayif li { display: flex; justify-content: space-between; color: var(--text-2); font-size: .92rem; }
.zayif li b { color: var(--text); font-weight: 500; }
.zayif .bar { height: 4px; background: var(--line); border-radius: 2px; margin-top: .2rem; }
.zayif .bar > i { display: block; height: 100%; background: var(--bad); border-radius: 2px; }

/* --- Soru ekranı --- */
.soru { display: grid; gap: 1.25rem; }
@media (min-width: 860px) {
  .soru { grid-template-columns: minmax(0, 1.15fr) minmax(320px, .85fr); align-items: start; }
  .soru .sol { position: sticky; top: 3.4rem; }
}
.sahne { position: relative; background: #0a0a0b; border-radius: var(--r); overflow: hidden; aspect-ratio: 5 / 4; }
.sahne img { display: block; width: 100%; height: 100%; object-fit: contain; }
.sahne .katman { position: absolute; inset: 0; }
.sahne .katman.pasif { pointer-events: none; }
.sahne .katman.hedef { cursor: crosshair; }
.sahne .sayac { position: absolute; left: 10px; top: 10px; font-variant-numeric: tabular-nums; font-weight: 600; padding: .2rem .6rem; border-radius: 999px; background: rgba(0,0,0,.6); color: var(--amber); }
.sahne .sayac.az { color: var(--bad); }
.sahne-araclar { position: absolute; right: 8px; top: 8px; display: flex; gap: .35rem; }
.sahne-araclar button { font-size: .78rem; padding: .25rem .6rem; border-radius: 999px; border: 1px solid rgba(255,255,255,.25); background: rgba(0,0,0,.6); color: #fff; cursor: pointer; }
.sahne-araclar button.kapali { opacity: .55; text-decoration: line-through; }
.soru-meta { display: flex; justify-content: space-between; color: var(--text-2); font-size: .9rem; margin: .5rem .2rem 0; }
.olgu { margin: .75rem 0 0; padding: .7rem .9rem; background: var(--surface); border-radius: var(--r-s); color: var(--text-2); font-size: .95rem; }
.olgu b { color: var(--text); font-weight: 500; }

/* işaretler */
.isaret { position: absolute; width: 14px; height: 14px; margin: -7px 0 0 -7px; border: 2px solid var(--amber); border-radius: 50%; box-shadow: 0 0 0 2px rgba(0,0,0,.55); pointer-events: auto; cursor: pointer; }
.isaret .etiket { position: absolute; left: 15px; top: -5px; white-space: nowrap; background: rgba(10,10,11,.82); color: #fff; font-size: .8rem; padding: .12rem .5rem; border-radius: 4px; }
.isaret.sol .etiket { left: auto; right: 15px; }
.sahne.etiketsiz .isaret .etiket { opacity: 0; transition: opacity .15s; }
.sahne.etiketsiz .isaret:hover .etiket, .sahne.etiketsiz .isaret.acik .etiket { opacity: 1; }
.sahne.etiketsiz .isaret { background: rgba(229,190,106,.35); }
.isaret.hedef-dogru { border-color: var(--ok); }
.isaret.tik { border-color: var(--bad); border-style: dashed; }
.isaret.tik.yakin { border-color: var(--ok); }

/* kadran rehberi */
.kadran { position: absolute; inset: 0; pointer-events: none; }
.kadran svg { position: absolute; inset: 0; }
.kadran line { stroke: rgba(229,190,106,.75); stroke-width: 1.2; stroke-dasharray: 5 5; }
.kadran-etiket { position: absolute; transform: translate(-50%, -50%); font-size: .78rem; color: rgba(241,237,228,.9); background: rgba(10,10,11,.6); padding: .05rem .4rem; border-radius: 4px; }
.kadran-not { position: absolute; left: 50%; bottom: 6px; transform: translateX(-50%); font-size: .72rem; color: var(--text-3); white-space: nowrap; }

/* şıklar */
.secenekler { display: grid; gap: .5rem; }
.secenek { display: flex; align-items: center; gap: .8rem; text-align: left; padding: .7rem .8rem; border-radius: var(--r-s); border: 1px solid var(--line); background: var(--surface); color: var(--text); cursor: pointer; transition: border-color .12s, background .12s; }
.secenek:hover:not(:disabled) { border-color: var(--text-3); }
.secenek:disabled { cursor: default; }
.secenek .harf { flex: none; width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; background: var(--bg); color: var(--text-2); font-size: .85rem; font-weight: 600; }
.secenek.dogru { border-color: var(--ok); background: var(--ok-2); }
.secenek.dogru .harf { background: var(--ok); color: #16221a; }
.secenek.yanlis { border-color: var(--bad); background: var(--bad-2); }
.secenek.yanlis .harf { background: var(--bad); color: #2a1716; }
.secenek.soluk { opacity: .5; }
.soru-baslik { margin: 0 0 .6rem; font-weight: 600; font-size: 1.05rem; }
.ipucu-klavye { color: var(--text-3); font-size: .8rem; margin: .5rem .2rem 0; }

/* cevap paneli */
.cevap { margin-top: 1rem; animation: acil .25s ease-out; }
@keyframes acil { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.sonuc { font-weight: 600; margin: 0 0 .6rem; }
.sonuc.dogru { color: var(--ok); }
.sonuc.yanlis { color: var(--bad); }
.tani-karti { background: var(--surface); border-radius: var(--r); padding: .9rem 1rem; }
.tani-karti h3 { margin: 0 0 .5rem; font-size: 1.05rem; color: var(--amber); font-weight: 600; }
.tani-karti p { margin: .35rem 0; font-size: .93rem; color: var(--text-2); }
.tani-karti p b { color: var(--text); font-weight: 600; }
.goruntu-notu { margin: .7rem 0 0; font-size: .93rem; color: var(--text-2); }
.goruntu-notu b { color: var(--text); font-weight: 600; }
.cevap-araclar { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1rem; align-items: center; }
.cevap-araclar .bosluk { flex: 1; }

/* sonuç ekranı */
.sonuc-ekrani { max-width: 640px; margin: 1rem auto; display: grid; gap: 1.25rem; }
.skor { font-size: 2.6rem; font-weight: 700; letter-spacing: -.02em; line-height: 1; }
.skor small { font-size: 1rem; font-weight: 400; color: var(--text-2); margin-left: .5rem; }
.dagilim { display: grid; gap: .4rem; }
.dagilim .sat { display: grid; grid-template-columns: 1fr auto; gap: .5rem; font-size: .93rem; color: var(--text-2); }
.dagilim .sat b { color: var(--text); font-weight: 500; }
.dagilim .cubuk { grid-column: 1 / -1; height: 5px; border-radius: 3px; background: var(--line); overflow: hidden; }
.dagilim .cubuk i { display: block; height: 100%; background: var(--ok); }

/* karşılaştırma */
.karsilastir { display: grid; grid-template-columns: 1fr 1fr; gap: .5rem; margin-top: .75rem; }
.karsilastir figure { margin: 0; }
.karsilastir img { width: 100%; aspect-ratio: 5/4; object-fit: contain; background: #0a0a0b; border-radius: var(--r-s); }
.karsilastir figcaption { font-size: .8rem; color: var(--text-3); text-align: center; margin-top: .2rem; }

/* --- İşaretleme sayfası --- */
.duzen { display: grid; grid-template-columns: 230px 1fr; gap: 1rem; }
@media (max-width: 760px) { .duzen { grid-template-columns: 1fr; } }
.liste { display: flex; flex-direction: column; gap: .3rem; }
.liste button { text-align: left; padding: .45rem .6rem; border-radius: var(--r-s); border: 1px solid var(--line); background: var(--surface); color: var(--text); font-size: .85rem; cursor: pointer; }
.liste button.secili { border-color: var(--amber); }
.liste button .ok { color: var(--ok); }
.panel { display: grid; gap: .8rem; }
.panel .sahne { cursor: crosshair; }
.panel .sahne .katman { pointer-events: auto; }
.isaret .sil { position: absolute; left: 15px; top: 18px; font-size: .7rem; color: var(--bad); background: rgba(0,0,0,.75); padding: 0 .3rem; border-radius: 3px; cursor: pointer; }
.isaret.sol .sil { left: auto; right: 15px; }
label { display: block; font-size: .85rem; color: var(--text-2); margin-bottom: .2rem; }
input[type=text], textarea, select { width: 100%; padding: .5rem .6rem; border-radius: var(--r-s); border: 1px solid var(--line); background: var(--surface); color: var(--text); font: inherit; }
textarea { min-height: 70px; resize: vertical; }
.satir { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; }
.araclar { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; margin-bottom: 1rem; }
.not { font-size: .85rem; color: var(--text-2); }
.etiket-kutu { position: absolute; z-index: 5; background: var(--surface); border: 1px solid var(--amber); border-radius: var(--r-s); padding: .4rem; display: flex; gap: .3rem; }
.etiket-kutu input { width: 180px; }