:root {
  --zemin: #221D1A;
  --panel: #2D2724;
  --cizgi: rgba(255,255,255,.12);
  --yazi: #F5EFE8;
  --soluk: #A99E96;
  --kirmizi: #B0141C;
  --kirmizi-acik: #D5323A;
  --ust: 60px;
  --alt: 52px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body { height: 100%; }
body {
  background: var(--zemin);
  color: var(--yazi);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 14px;
  overflow: hidden;
  -webkit-tap-highlight-color: transparent;
}
button, input { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex: none; }

/* ---------- Üst çubuk ---------- */

.ust {
  position: fixed; top: 0; left: 0; right: 0; height: var(--ust); z-index: 10;
  display: flex; align-items: center; gap: 16px;
  padding: 0 max(16px, env(safe-area-inset-right)) 0 max(16px, env(safe-area-inset-left));
  background: var(--zemin); border-bottom: 1px solid var(--cizgi);
}
.marka { display: flex; align-items: center; gap: 10px; color: inherit; text-decoration: none; flex: none; }
/* Şeffaf logo koyu çubukta okunsun diye açık daire üstünde */
.logo { display: block; width: 38px; height: 38px; border-radius: 50%; background: #FBF8F4; object-fit: contain; }
.marka-ad { font-weight: 600; letter-spacing: .01em; }

.ara {
  position: relative; flex: 1; max-width: 360px; margin: 0 auto;
  display: flex; align-items: center; gap: 8px;
  height: 38px; padding: 0 14px; border-radius: 19px;
  background: var(--panel); border: 1px solid var(--cizgi);
}
.ara:focus-within { border-color: rgba(255,255,255,.35); }
.ara svg { color: var(--soluk); width: 18px; height: 18px; }
.ara input { flex: 1; min-width: 0; background: none; border: 0; outline: 0; font-size: 14px; letter-spacing: .02em; }
.ara input::placeholder { color: var(--soluk); }
.ara-hata {
  position: absolute; left: 14px; top: calc(100% + 6px);
  font-size: 12px; color: #FFB4A8; white-space: nowrap;
}

.araclar { display: flex; align-items: center; gap: 10px; flex: none; }
.ara-ac { display: none; width: 38px; height: 38px; border-radius: 50%; place-items: center; }
.dil { display: flex; background: var(--panel); border: 1px solid var(--cizgi); border-radius: 19px; padding: 3px; }
.dil button { height: 30px; min-width: 40px; border-radius: 15px; font-size: 12px; font-weight: 700; letter-spacing: .08em; color: var(--soluk); }
.dil button[aria-pressed="true"] { background: var(--yazi); color: var(--zemin); }
.pdf {
  display: flex; align-items: center; gap: 8px; height: 38px; padding: 0 16px; border-radius: 19px;
  background: var(--kirmizi); color: #fff; text-decoration: none; font-weight: 600; font-size: 13px;
}
.pdf:hover { background: var(--kirmizi-acik); }
.pdf svg { width: 18px; height: 18px; }

/* ---------- Kitap ---------- */

.sahne {
  position: fixed; left: 0; right: 0; top: var(--ust); bottom: var(--alt);
  display: flex; align-items: center; justify-content: center;
  padding: 20px 72px;
}
.kitap-alani { position: relative; width: 100%; height: 100%; }
.kitap { width: 100% !important; height: 100% !important; min-width: 0 !important; min-height: 0 !important; }
.kitap .stf__wrapper { height: 100%; padding: 0 !important; }
.kitap-sayfa { background: #FBF8F4; }
.kitap-sayfa img { display: block; width: 100%; height: 100%; object-fit: contain; user-select: none; -webkit-user-drag: none; }

.ok {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 48px; height: 48px; border-radius: 50%; display: grid; place-items: center;
  background: var(--panel); border: 1px solid var(--cizgi); z-index: 5;
}
.ok:hover { background: #3A332F; }
.ok:disabled { opacity: .3; cursor: default; }
.ok.onceki { left: 14px; }
.ok.sonraki { right: 14px; }

/* ---------- Alt çubuk ---------- */

.alt {
  position: fixed; left: 0; right: 0; bottom: 0; height: var(--alt);
  padding-bottom: env(safe-area-inset-bottom);
  display: flex; align-items: center; justify-content: center; gap: 16px;
  font-size: 13px; color: var(--soluk); letter-spacing: .04em;
}
.sayac { font-variant-numeric: tabular-nums; }

.noscript { position: fixed; inset: 0; display: grid; place-items: center; background: var(--zemin); }
.noscript a { color: #fff; }

/* ---------- Telefon / dar ekran ---------- */

@media (max-width: 760px) {
  :root { --ust: 56px; --alt: 56px; }
  .ust { gap: 8px; }
  .marka-ad { display: none; }
  .ara {
    display: none; position: absolute; left: 12px; right: 12px; top: calc(var(--ust) + 8px);
    max-width: none; height: 44px; background: #3A332F; box-shadow: 0 8px 24px rgba(0,0,0,.35);
  }
  body.ara-acik .ara { display: flex; }
  .ara input { font-size: 16px; } /* iOS'ta yakınlaştırmayı önler */
  .ara-ac { display: grid; }
  .araclar { margin-left: auto; gap: 6px; }
  .pdf { padding: 0 12px; }
  .pdf span { display: none; }
  .sahne { padding: 10px 12px; }
  .ok { display: none; }
}