:root{
  --bg:#150a24; --bg2:#1f1036; --card:#251643; --card2:#2d1b52; --line:#3a2560;
  --text:#ece7f5; --dim:#a99fc4; --accent:#a78bfa; --accent2:#ec4899;
  --ok:#34d399; --bad:#f87171;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:var(--bg);color:var(--text);line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--accent)}
.wrap{max-width:760px;margin:0 auto;padding:0 16px}

/* Üst menü */
.nav{
  position:sticky;top:0;z-index:10;
  background:rgba(21,10,36,.88);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav .wrap{display:flex;align-items:center;gap:12px;height:56px}
.marka{display:flex;align-items:center;gap:8px;text-decoration:none;color:var(--text);font-weight:800;font-size:17px}
.marka i{
  width:30px;height:30px;border-radius:9px;font-style:normal;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;
}
.nav .bos{flex:1}
.nav .mini{
  text-decoration:none;color:#fff;font-weight:700;font-size:13px;white-space:nowrap;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  border-radius:10px;padding:8px 12px;
}

/* Başlık */
.hero{text-align:center;padding:36px 0 20px}
.hero h1{font-size:28px;line-height:1.2;font-weight:800;letter-spacing:-.4px}
.hero p{color:var(--dim);margin-top:8px;font-size:16px}
.hero img{width:120px;height:120px;object-fit:contain;margin-bottom:6px}

/* Sekmeler */
.sekmeler{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin:6px 0 18px}
.sekmeler button{
  font:inherit;font-weight:700;font-size:14px;color:var(--dim);cursor:pointer;
  background:var(--card);border:1px solid var(--line);border-radius:999px;padding:8px 16px;
}
.sekmeler button[aria-selected="true"]{color:#fff;border-color:transparent;background:linear-gradient(135deg,var(--accent),var(--accent2))}

/* Hesap tablosu */
.kart{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px}
.tablo{width:100%;border-collapse:collapse}
.tablo th{font-size:12px;color:var(--dim);font-weight:600;text-align:center;padding:0 4px 8px}
.tablo th:first-child{text-align:left}
.tablo td{padding:5px 4px;border-top:1px solid var(--line);text-align:center}
.tablo td:first-child{text-align:left;font-weight:600;font-size:14px}
.tablo td:first-child small{display:block;color:var(--dim);font-weight:400;font-size:12px}
.tablo input{
  width:100%;max-width:64px;font:inherit;font-size:16px;text-align:center;color:var(--text);
  background:var(--bg2);border:1px solid var(--line);border-radius:9px;padding:8px 2px;
  -moz-appearance:textfield;
}
.tablo input::-webkit-outer-spin-button,.tablo input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.tablo input:focus{outline:none;border-color:var(--accent)}
.tablo input.hata{border-color:var(--bad)}
.tablo .net{font-weight:800;font-variant-numeric:tabular-nums;min-width:52px}
.tablo .grup td{color:var(--dim);font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;padding-top:12px;text-align:left}

.sonuc{
  margin-top:14px;display:grid;grid-template-columns:repeat(3,1fr);gap:10px;text-align:center;
}
.sonuc div{background:var(--card2);border-radius:12px;padding:12px 6px}
.sonuc b{display:block;font-size:24px;font-variant-numeric:tabular-nums}
.sonuc span{color:var(--dim);font-size:12px}
.uyari{color:var(--bad);font-size:13px;margin-top:10px;min-height:1em}
.temizle{
  font:inherit;font-size:13px;color:var(--dim);background:none;border:none;cursor:pointer;
  text-decoration:underline;margin-top:6px
}

/* Uygulama çağrısı */
.cta{
  margin:22px 0;display:flex;gap:14px;align-items:center;
  background:linear-gradient(135deg,#2a1550,#3b1442);border:1px solid var(--line);border-radius:16px;padding:16px;
}
.cta img{width:76px;height:76px;object-fit:contain;flex:none}
.cta b{display:block;font-size:16px}
.cta span{color:var(--dim);font-size:14px}
.indir{
  display:inline-flex;align-items:center;gap:8px;margin-top:10px;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  color:#fff;text-decoration:none;font-size:15px;font-weight:700;
  border-radius:12px;padding:11px 18px;
  box-shadow:0 10px 28px -8px rgba(236,72,153,.55);
}
.indir.buyuk{font-size:17px;padding:15px 28px;border-radius:14px}

/* Geri sayım */
.sayac{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;text-align:center}
.sayac div{background:var(--card2);border-radius:14px;padding:16px 4px}
.sayac b{display:block;font-size:34px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1.1}
.sayac span{color:var(--dim);font-size:12px}
.tarih{text-align:center;color:var(--dim);margin-top:12px;font-size:14px}
.ekstra{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:10px;text-align:center}
.ekstra div{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:10px}
.ekstra b{display:block;font-size:20px}
.ekstra span{color:var(--dim);font-size:12px}

/* SSS ve bölümler */
section{padding:26px 0;border-top:1px solid var(--line)}
section h2{font-size:19px;margin-bottom:12px}
details{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 14px;margin-bottom:8px}
summary{cursor:pointer;font-weight:700;font-size:15px}
details p{color:var(--dim);font-size:14px;margin-top:8px}

.araclar{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.araclar a,.araclar>div{
  display:block;text-decoration:none;color:var(--text);font-weight:700;font-size:14px;
  background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px;
}
.araclar a span,.araclar>div span{display:block;color:var(--dim);font-weight:400;font-size:12px}
.araclar a:hover{border-color:var(--accent)}

footer{padding:28px 16px 48px;text-align:center;color:var(--dim);font-size:13px;border-top:1px solid var(--line)}
footer a{color:var(--dim);margin:0 6px}

@media (max-width:420px){
  .hero h1{font-size:24px}
  .tablo input{max-width:52px;font-size:15px}
  .sayac b{font-size:26px}
  .araclar{grid-template-columns:1fr}
}