/* forpa.net 7. sınıf — pipeline site üretir; elle düzenlemeyin (egitim/packages/pipeline/src/site/assets.ts) */
:root {
  --bg: #f4f6fb; --yuzey: #ffffff; --ink: #121633; --soluk: #565d7c; --cizgi: #e1e5f0;
  --lacivert: #17366b; --teal: #11807d; --turuncu: #f28c28; --accent: #1aa9a6;
  --dogru: #1b8a4f; --yanlis: #c2413a; --golge: 0 1px 2px rgba(18,22,51,.06), 0 4px 14px rgba(18,22,51,.06);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0d1020; --yuzey: #161a2e; --ink: #eef0fa; --soluk: #a4abc8; --cizgi: #283050;
    --lacivert: #a9c1f2; --teal: #4fd1cb; --dogru: #4cc985; --yanlis: #f07a72; --golge: none;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  overflow-x: hidden;
}
a { color: var(--teal); }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid var(--turuncu); outline-offset: 2px; border-radius: 6px; }
.kap { max-width: 1040px; margin: 0 auto; padding: 0 16px; }
.atla { position: absolute; left: -999px; top: 8px; background: var(--yuzey); padding: 8px 12px; z-index: 9; }
.atla:focus { left: 8px; }
.gizli-baslik { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.soluk { color: var(--soluk); }
.kucuk { font-size: 13px; }

/* üst şerit */
.ust { background: var(--yuzey); border-bottom: 1px solid var(--cizgi); }
.ust-ic { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 60px; flex-wrap: wrap; }
.logo { display: inline-flex; align-items: center; gap: 8px; text-decoration: none; color: var(--lacivert); }
.logo-isaret { width: 26px; height: 34px; }
.logo-isaret .l-govde { fill: var(--lacivert); }
.logo-yazi { font-size: 26px; font-weight: 800; letter-spacing: -.02em; line-height: 1; }
.logo-yazi b { color: var(--turuncu); font-weight: 800; }
.logo-yazi small { font-size: 14px; font-weight: 700; color: var(--soluk); letter-spacing: 0; }
.ust-nav { display: flex; gap: 4px; flex-wrap: wrap; }
.ust-nav a { text-decoration: none; color: var(--soluk); font-weight: 600; font-size: 15px; padding: 6px 10px; border-radius: 8px; }
.ust-nav a:hover { color: var(--ink); background: var(--bg); }
.ust-nav a[aria-current="page"] { color: var(--ink); }

.kirinti { font-size: 14px; color: var(--soluk); margin: 16px 0 6px; display: flex; flex-wrap: wrap; gap: 2px 6px; }
.kirinti a { color: var(--soluk); text-decoration: none; }
.kirinti a:hover { color: var(--teal); text-decoration: underline; }
.kirinti [aria-current] { color: var(--ink); overflow: hidden; text-overflow: ellipsis; }

/* giriş */
.giris { margin: 8px 0 22px; }
.ust-etiket { margin: 0 0 6px; font-size: 13px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--soluk); display: flex; align-items: center; gap: 8px; }
.ders-nokta { width: 10px; height: 10px; border-radius: 3px; background: var(--accent); flex: none; }
h1 { font-size: clamp(27px, 5.2vw, 40px); line-height: 1.15; letter-spacing: -.02em; margin: 0 0 10px; font-weight: 800; }
h2 { font-size: 21px; line-height: 1.3; margin: 0 0 10px; letter-spacing: -.01em; }
.ozet { font-size: 18px; color: var(--soluk); margin: 0; max-width: 680px; }

/* merkez: ders kartları */
.ders-izgara { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 14px; }
.ders-kart {
  position: relative; display: flex; flex-direction: column; gap: 4px; padding: 18px 18px 16px;
  background: var(--yuzey); border-radius: 14px; box-shadow: var(--golge); border: 1px solid var(--cizgi);
  border-top: 6px solid var(--accent); text-decoration: none; color: var(--ink);
  transition: transform .12s ease, border-color .12s ease;
}
.ders-kart:hover { transform: translateY(-2px); border-color: var(--accent); }
.ders-ad { font-size: 22px; font-weight: 800; letter-spacing: -.01em; }
.ders-sayi { font-size: 14px; font-weight: 600; color: var(--soluk); }
.ders-kart ul { margin: 8px 0 0; padding: 0; list-style: none; font-size: 15px; }
.ders-kart li { padding: 3px 0; border-top: 1px solid var(--cizgi); }
.ders-kart .ok { position: absolute; right: 16px; top: 14px; font-size: 22px; color: var(--soluk); }

/* bilgi kutusu */
.bilgi { margin: 28px 0; padding: 20px; background: var(--yuzey); border: 1px solid var(--cizgi); border-radius: 14px; }
.bilgi p { margin: 0 0 8px; }
.maddeler { margin: 0 0 10px; padding-left: 20px; }
.maddeler li { margin: 0 0 8px; }

/* ders: ünite listesi */
.unite-liste { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.unite-kart {
  display: grid; grid-template-columns: auto 1fr; column-gap: 14px; align-items: baseline;
  padding: 14px 16px; background: var(--yuzey); border: 1px solid var(--cizgi); border-left: 6px solid var(--accent);
  border-radius: 12px; text-decoration: none; color: var(--ink); box-shadow: var(--golge);
}
.unite-kart:hover { border-color: var(--accent); }
.unite-etiket { grid-row: span 2; font-size: 13px; font-weight: 700; color: var(--soluk); min-width: 96px; }
.unite-kart b { font-size: 18px; }
.unite-kart small { color: var(--soluk); font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.yakinda { margin: 26px 0; }
.yakinda h2 { font-size: 17px; }
.yakinda ul { margin: 0 0 6px; padding-left: 20px; color: var(--soluk); }

/* ünite: video listesi */
.video-liste { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.video-satir {
  display: flex; gap: 14px; align-items: center; padding: 10px; background: var(--yuzey);
  border: 1px solid var(--cizgi); border-radius: 12px; text-decoration: none; color: var(--ink); box-shadow: var(--golge);
}
.video-satir:hover { border-color: var(--accent); }
.video-satir img, .kucuk-yok { width: 54px; height: 96px; object-fit: cover; border-radius: 8px; flex: none; background: var(--cizgi); }
.vs-metin { display: grid; grid-template-columns: auto 1fr; column-gap: 10px; align-items: baseline; min-width: 0; }
.vs-no { grid-row: span 2; width: 30px; height: 30px; border-radius: 50%; background: var(--accent); color: #121633; font-weight: 800; display: grid; place-items: center; font-size: 15px; align-self: center; }
.vs-metin b { font-size: 17px; line-height: 1.3; }
.vs-metin small { color: var(--soluk); font-size: 14px; }

/* sayfalama */
.sayfala { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 26px 0 10px; }
.sayfala a { display: block; padding: 12px 14px; background: var(--yuzey); border: 1px solid var(--cizgi); border-radius: 12px; text-decoration: none; color: var(--ink); font-weight: 650; line-height: 1.35; }
.sayfala a:hover { border-color: var(--accent); }
.sayfala small { display: block; color: var(--soluk); font-weight: 600; font-size: 13px; margin-bottom: 2px; }
.sayfala .sonraki { text-align: right; grid-column: 2; }
.geri { margin: 6px 0 30px; }

/* video sayfası */
.video-izgara { display: grid; grid-template-columns: minmax(0, 360px) minmax(0, 1fr); gap: 24px; align-items: start; }
.oynatici { position: relative; aspect-ratio: 9 / 16; width: 100%; max-width: 360px; border-radius: 16px; overflow: hidden; background: #0b0d18; box-shadow: var(--golge); }
.oynatici iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.oynat { position: absolute; inset: 0; display: block; color: #fff; text-decoration: none; }
.oynat img { width: 100%; height: 100%; object-fit: cover; display: block; }
.poster-yok { position: absolute; inset: 0; display: grid; place-items: center; padding: 24px; text-align: center; font-size: 24px; font-weight: 800; background: var(--lacivert); }
.oynat-dugme {
  position: absolute; left: 50%; bottom: 22px; transform: translateX(-50%); display: inline-flex; align-items: center; gap: 8px;
  background: var(--turuncu); color: #1b1300; font-weight: 800; font-size: 17px; padding: 12px 20px 12px 14px; border-radius: 999px;
  box-shadow: 0 6px 20px rgba(0,0,0,.35); white-space: nowrap;
}
.oynat-dugme svg { width: 24px; height: 24px; fill: currentColor; }
.oynat:hover .oynat-dugme { filter: brightness(1.06); }
.oynat-not { font-size: 13px; color: var(--soluk); margin: 8px 0 0; max-width: 360px; }
.yan-sutun { display: grid; gap: 14px; }
.kart { background: var(--yuzey); border: 1px solid var(--cizgi); border-radius: 14px; padding: 16px 18px; box-shadow: var(--golge); }
.kart p { margin: 0 0 8px; }
.kart p:last-child { margin-bottom: 0; }
.kart-etiket { font-size: 13px; font-weight: 800; letter-spacing: .05em; text-transform: uppercase; color: var(--soluk); display: flex; align-items: center; gap: 8px; }
.tahmin { border-top: 5px solid var(--accent); }
.soru { font-size: 19px; font-weight: 750; line-height: 1.35; }
.secenekler { list-style: none; margin: 0 0 8px; padding: 0; display: grid; gap: 8px; }
.secenek {
  width: 100%; display: flex; align-items: center; gap: 10px; text-align: left; font: inherit; font-weight: 600; color: var(--ink);
  background: var(--bg); border: 2px solid var(--cizgi); border-radius: 10px; padding: 10px 12px; cursor: pointer; min-height: 48px;
}
.secenek:hover { border-color: var(--accent); }
.harf { flex: none; width: 28px; height: 28px; border-radius: 7px; display: grid; place-items: center; font-weight: 800; background: var(--yuzey); border: 1px solid var(--cizgi); }
.tahmin.cevaplandi .secenek { cursor: default; }
.secenek.dogru { border-color: var(--dogru); background: color-mix(in srgb, var(--dogru) 12%, var(--yuzey)); }
.secenek.dogru .harf { background: var(--dogru); color: #fff; border-color: var(--dogru); }
.secenek.yanlis { border-color: var(--yanlis); background: color-mix(in srgb, var(--yanlis) 10%, var(--yuzey)); }
.sonuc { font-weight: 700; min-height: 0; margin: 0; }
.sonuc:empty { display: none; }
.cevap summary { cursor: pointer; color: var(--teal); font-weight: 700; }
.cevap p { margin: 6px 0 0; }
.ozet-buyuk { font-size: 21px; font-weight: 800; line-height: 1.3; }
.ozet-alt { color: var(--soluk); font-weight: 600; }
.ozet-ses { border-top: 1px solid var(--cizgi); padding-top: 8px; }
.rozet { font-size: 11px; letter-spacing: .04em; padding: 2px 8px; border-radius: 999px; border: 2px solid var(--accent); color: var(--ink); }
.kod { display: inline-block; font-weight: 800; font-size: 14px; background: var(--accent); color: #121633; border-radius: 6px; padding: 1px 8px; margin-right: 4px; font-variant-numeric: tabular-nums; }
.metin { margin: 26px 0; max-width: 720px; }
.metin p { margin: 0 0 10px; font-size: 17px; }

.alt { border-top: 1px solid var(--cizgi); background: var(--yuzey); margin-top: 36px; padding: 22px 0 30px; font-size: 15px; }
.alt p { margin: 0 0 8px; }
.alt-linkler { display: flex; flex-wrap: wrap; gap: 4px 16px; }

@media (max-width: 720px) {
  .video-izgara { grid-template-columns: 1fr; }
  .oynatici-sutun { display: flex; flex-direction: column; align-items: center; }
  .oynatici { max-width: 320px; }
  .oynat-not { text-align: center; }
  .unite-kart { grid-template-columns: 1fr; }
  .unite-etiket { grid-row: auto; }
  .logo-yazi { font-size: 23px; }
  .ust-nav a { padding: 6px 8px; font-size: 14px; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }
@media print {
  .ust, .alt, .oynatici-sutun, .sayfala, .atla { display: none; }
  .video-izgara { grid-template-columns: 1fr; }
  body { background: #fff; }
}