:root {
  --zemin: #f4f6fa;
  --kart: #ffffff;
  --yazi: #172033;
  --soluk: #5b6678;
  --vurgu: #315de6;
  --vurgu-koyu: #2449bd;
  --cizgi: #e1e6ef;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --zemin: #0f1522;
    --kart: #18202f;
    --yazi: #e8edf6;
    --soluk: #a3aec2;
    --vurgu: #5b82ff;
    --vurgu-koyu: #3f68ec;
    --cizgi: #2a3447;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--zemin);
  color: var(--yazi);
  font: 16px/1.6 "Segoe UI", system-ui, -apple-system, sans-serif;
}
main {
  max-width: 720px;
  margin: 40px auto 24px;
  padding: 32px;
  background: var(--kart);
  border: 1px solid var(--cizgi);
  border-radius: 16px;
}
header { display: flex; align-items: center; gap: 16px; }
header img { border-radius: 12px; flex: none; }
h1 { margin: 0; font-size: 1.7rem; line-height: 1.2; }
h2 { font-size: 1.15rem; margin: 32px 0 8px; }
.alt { margin: 4px 0 0; color: var(--soluk); }
.indir { margin: 32px 0 8px; text-align: center; }
.dugme {
  display: inline-block;
  padding: 16px 40px;
  border-radius: 12px;
  background: var(--vurgu);
  color: #fff;
  font-size: 1.2rem;
  font-weight: 600;
  text-decoration: none;
}
.dugme:hover, .dugme:focus-visible { background: var(--vurgu-koyu); }
.dugme:focus-visible { outline: 3px solid var(--vurgu); outline-offset: 3px; }
.bilgi { color: var(--soluk); font-size: 0.9rem; margin: 12px 0 0; }
.adimlar { padding-left: 1.4em; }
.adimlar li { margin: 8px 0 24px; }
.adimlar p { margin: 0 0 10px; }
/* Never upscale a screenshot; small dialogs stay sharp. */
.adimlar img {
  display: block;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--cizgi);
  border-radius: 10px;
}
.guven ul { padding-left: 1.2em; }
.guven li { margin: 6px 0; }
code { font-family: Consolas, ui-monospace, monospace; font-size: 0.9em; }
.ozet { word-break: break-all; }
details {
  margin-top: 32px;
  padding: 12px 16px;
  border: 1px solid var(--cizgi);
  border-radius: 10px;
  color: var(--soluk);
  font-size: 0.92rem;
}
summary { cursor: pointer; color: var(--yazi); }
footer { text-align: center; color: var(--soluk); font-size: 0.85rem; padding: 0 16px 32px; }
@media (max-width: 600px) {
  main { margin: 16px; padding: 20px; }
  h1 { font-size: 1.35rem; }
  .dugme { display: block; padding: 16px; }
}