:root {
  color-scheme: only light;
  --gece: #101d36;
  --lacivert: #1a2d50;
  --cizgi: #34496f;
  --kraft: #ead9b6;
  --kraft-koyu: #d4bd8f;
  --amber: #f2a51a;
  --turuncu: #e8622c;
  --krem: #fbf4e4;
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; overflow-x: clip; }
body { background: var(--gece); color: var(--krem); font-family: Inter, system-ui, sans-serif; line-height: 1.45; }
main { max-width: 520px; margin: 0 auto; padding: 28px 16px 56px; }

.kum { display: block; width: 64px; height: 88px; margin: 0 0 12px; }
.cam { fill: none; stroke: var(--kraft); stroke-width: 3; stroke-linecap: round; }
.tane { fill: var(--amber); }
.akis { stroke: var(--amber); stroke-width: 2.5; stroke-dasharray: 3 5; animation: ak .7s linear infinite; }
@keyframes ak { to { stroke-dashoffset: -8; } }

h1, .buyuk, .kiyas b, .kalan b { font-family: "DM Serif Display", Georgia, serif; font-weight: 400; }
h1 { font-size: 52px; line-height: 1.05; margin: 0 0 8px; }
.soz { font-size: 20px; margin: 0 0 22px; color: var(--kraft); }

form > label, legend { display: block; font-weight: 800; margin: 18px 0 6px; padding: 0; }
legend span { font-weight: 400; color: var(--kraft); }
fieldset { border: 0; margin: 18px 0 0; padding: 0; min-width: 0; }
#yas {
  width: 100%; font: inherit; font-size: 20px; padding: 13px 12px; color: var(--gece);
  background: var(--krem); border: 3px solid var(--kraft); border-radius: 10px;
}
output { display: block; font-family: "DM Serif Display", Georgia, serif; font-size: 40px; line-height: 1.1; color: var(--amber); }
input[type=range] { width: 100%; height: 44px; margin: 2px 0 0; accent-color: var(--amber); cursor: pointer; }
.ipucu { font-size: 14px; margin: 2px 0 0; color: var(--kraft); }

.secim { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 8px; }
.secim label { position: relative; cursor: pointer; }
.secim input { position: absolute; opacity: 0; inset: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }
.secim span { display: block; text-align: center; font-weight: 600; font-size: 15px; padding: 12px 4px; border: 2px solid var(--cizgi); border-radius: 10px; }
.secim input:checked + span { background: var(--kraft); border-color: var(--kraft); color: var(--gece); font-weight: 800; }
.secim input:focus-visible + span { outline: 3px solid var(--amber); outline-offset: 2px; }

.hata { background: var(--turuncu); color: #fff; font-weight: 800; padding: 10px 12px; border-radius: 8px; margin: 14px 0 0; }
.guven { text-align: center; font-size: 14px; margin: 10px 0 0; color: var(--kraft); }

.dugme {
  display: block; width: 100%; font: inherit; font-weight: 800; font-size: 18px; text-align: center;
  padding: 15px; margin-top: 12px; border-radius: 10px; cursor: pointer;
  background: var(--kraft); color: var(--gece); border: 3px solid var(--kraft);
}
.dugme.vurgu { background: var(--turuncu); border-color: var(--turuncu); color: #fff; margin-top: 20px; }
.dugme.ikincil { background: transparent; color: var(--krem); border-color: var(--cizgi); }
.dugme:focus-visible, #yas:focus-visible, a:focus-visible, summary:focus-visible, input[type=range]:focus-visible, .cip:focus-visible { outline: 3px solid var(--amber); outline-offset: 2px; }

#sonuc { padding-top: 28px; }
.panel { background: var(--kraft); color: var(--gece); border-radius: 16px; padding: 26px 18px 22px; text-align: center; }
.panel p { margin: 4px 0; }
.ust { font-size: 18px; font-weight: 600; }
.buyuk { font-size: 104px; line-height: 1; color: var(--gece); }
.durum { font-size: 22px; font-weight: 800; color: #b5450f; }
.alt { font-size: 15px; }

h2 { font-size: 21px; margin: 30px 0 10px; }
.kareler { display: grid; grid-template-columns: repeat(10, 1fr); gap: 5px; }
.kare { aspect-ratio: 1; border-radius: 4px; background: var(--lacivert); position: relative; overflow: hidden; }
.kare i { position: absolute; left: 0; bottom: 0; right: 0; background: var(--amber); }
.aciklama { font-size: 14px; margin: 10px 0 0; color: var(--kraft); }

.kiyaslar { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.kiyas { background: var(--lacivert); border-radius: 12px; padding: 14px 12px; min-width: 0; }
.kiyas b { display: block; font-size: 38px; line-height: 1.05; color: var(--amber); overflow-wrap: anywhere; }
.kiyas span { display: block; font-size: 14px; margin-top: 6px; }

.cipler { display: flex; gap: 8px; flex-wrap: wrap; }
.cip { font: inherit; font-weight: 800; font-size: 15px; padding: 10px 16px; border-radius: 99px; cursor: pointer; background: transparent; color: var(--krem); border: 2px solid var(--cizgi); }
.cip[aria-pressed=true] { background: var(--amber); border-color: var(--amber); color: var(--gece); }
.kalan { background: var(--krem); color: var(--gece); border-left: 6px solid var(--amber); padding: 12px 14px; margin: 12px 0 0; font-size: 17px; border-radius: 0 10px 10px 0; }
.kalan b { font-size: 30px; line-height: 1.1; }

.yontem { margin-top: 32px; font-size: 14px; color: var(--kraft); }
.yontem summary { font-weight: 800; cursor: pointer; }
.yontem ul { padding-left: 18px; }
.yontem li { margin: 4px 0; overflow-wrap: anywhere; }
.yontem a { color: inherit; }

@media (prefers-reduced-motion: reduce) { .akis { animation: none; } }