:root{--bg:#f6f7f5;--yuzey:#fff;--metin:#1f1d1a;--soluk:#6b665e;--cizgi:#e4dfd4;--vurgu:#0f766e;--vurgu-a:#0f766e22;--hata:#c62828}
@media (prefers-color-scheme:dark){:root{--bg:#16181a;--yuzey:#28272c;--metin:#ecebe8;--soluk:#a19d96;--cizgi:#3a3940;--vurgu:#2dd4bf;--vurgu-a:#2dd4bf26;--hata:#ff8a80}}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;background:var(--bg);color:var(--metin);font:16px/1.5 'IBM Plex Sans',system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
.pin{max-width:300px;margin:0 auto;padding:max(7vh,24px) 16px 32px;text-align:center}
.logo{width:56px;height:56px}
h1{font-size:24px;margin:6px 0 2px;font-weight:600;letter-spacing:-.01em}
.ipucu{color:var(--soluk);font-size:14px;margin:0}
.hata{min-height:1.6em;margin:10px 0 8px;color:var(--hata);font-size:14px}
.noktalar{display:flex;justify-content:center;gap:14px;margin:0 0 24px}
.nokta{width:14px;height:14px;border-radius:50%;border:2px solid var(--soluk);transition:background .1s,border-color .1s}
.nokta.dolu{background:var(--vurgu);border-color:var(--vurgu)}
.pin-girdi{position:absolute;opacity:0;pointer-events:none;width:1px;height:1px}
.tuslar{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.tus{aspect-ratio:1.35;font:500 24px/1 inherit;font-family:inherit;background:var(--yuzey);color:var(--metin);border:1px solid var(--cizgi);border-radius:18px;cursor:pointer;-webkit-tap-highlight-color:transparent}
.tus:active{background:var(--vurgu-a)}
.tus:focus-visible{outline:2px solid var(--vurgu);outline-offset:2px}
.tus.sil{font-size:20px;color:var(--soluk)}
noscript button{margin-top:14px;padding:10px 18px;font:inherit}
.sallan{animation:sallan .35s}
@keyframes sallan{20%,60%{transform:translateX(-8px)}40%,80%{transform:translateX(8px)}}
@media (prefers-reduced-motion:reduce){.sallan{animation:none}}