/* MegaStore Demo — koyu tema, amber vurgu */
:root {
    --ana: #f59e0b; --ana-k: #d97706;
    --bg: #10141f; --panel: #171c2b; --cizgi: #262d42;
    --txt: #eef1fb; --mut: #94a0bf; --yesil: #34d399; --kirmizi: #f87171;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Segoe UI', system-ui, sans-serif; background: var(--bg); color: var(--txt); font-size: 15px; line-height: 1.6; }
a { color: inherit; text-decoration: none; }

.demo-bant { background: linear-gradient(90deg, #0c1220, #1c2740); color: #8b98b8; font-size: .8rem;
    padding: 7px 18px; display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.demo-bant b { color: #00e5ff; }
.demo-bant a { color: #e6ecff; }
.demo-bant a:hover { color: #00e5ff; }

.ust-bar { position: sticky; top: 0; z-index: 100; background: rgba(16, 20, 31, .92); backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--cizgi); }
.ust-ic { width: min(1100px, 94%); margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 15px 0; }
.marka { font-size: 1.4rem; font-weight: 800; }
.marka span { color: var(--ana); }
.sepet-dugme { position: relative; display: inline-flex; align-items: center; gap: 8px; padding: 9px 18px;
    border: 1.5px solid var(--cizgi); border-radius: 11px; font-weight: 700; font-size: .9rem; transition: .2s; }
.sepet-dugme:hover { border-color: var(--ana); color: var(--ana); }
.sepet-dugme .adet { position: absolute; top: -8px; right: -8px; min-width: 21px; height: 21px; padding: 0 6px;
    background: var(--ana); color: #10141f; border-radius: 99px; font-size: .72rem; font-weight: 800;
    display: flex; align-items: center; justify-content: center; }

.kap { width: min(1100px, 94%); margin: 0 auto; padding: 28px 0 60px; }

.magaza-hero { background: linear-gradient(120deg, rgba(245, 158, 11, .16), rgba(245, 158, 11, .03)), var(--panel);
    border: 1px solid var(--cizgi); border-radius: 18px; padding: 34px; margin-bottom: 26px;
    display: flex; justify-content: space-between; align-items: center; gap: 18px; flex-wrap: wrap; }
.magaza-hero h1 { font-size: 1.6rem; }
.magaza-hero h1 span { color: var(--ana); }
.magaza-hero p { color: var(--mut); font-size: .92rem; }
.magaza-hero .kupon { background: var(--ana); color: #10141f; font-weight: 800; border-radius: 12px; padding: 12px 20px; font-size: .9rem; }

.filtreler { display: flex; gap: 9px; flex-wrap: wrap; margin-bottom: 22px; }
.filtre { padding: 8px 17px; border-radius: 99px; border: 1.5px solid var(--cizgi); color: var(--mut);
    font-size: .84rem; font-weight: 700; transition: .2s; }
.filtre:hover { color: var(--txt); border-color: var(--ana); }
.filtre.aktif { background: var(--ana); border-color: var(--ana); color: #10141f; }

.urun-izgara { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 18px; }
.urun-kart { background: var(--panel); border: 1px solid var(--cizgi); border-radius: 16px; overflow: hidden;
    transition: .25s; display: flex; flex-direction: column; }
.urun-kart:hover { transform: translateY(-5px); border-color: rgba(245, 158, 11, .5); box-shadow: 0 18px 40px rgba(0, 0, 0, .35); }
.urun-gorsel { aspect-ratio: 1; display: flex; align-items: center; justify-content: center; font-size: 4rem;
    background: radial-gradient(circle at 30% 25%, #232b42, #141927); position: relative; }
.indirim { position: absolute; top: 12px; left: 12px; background: var(--kirmizi); color: #fff;
    font-size: .72rem; font-weight: 800; padding: 4px 10px; border-radius: 99px; }
.urun-govde { padding: 15px 16px 18px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.urun-govde .kategori { color: var(--mut); font-size: .74rem; text-transform: uppercase; letter-spacing: .8px; }
.urun-govde b { font-size: .96rem; }
.fiyat { display: flex; align-items: baseline; gap: 9px; margin-top: auto; }
.fiyat .yeni { font-size: 1.1rem; font-weight: 800; color: var(--ana); }
.fiyat .eski { color: var(--mut); text-decoration: line-through; font-size: .82rem; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 11px 20px;
    border: none; border-radius: 11px; background: var(--ana); color: #10141f; font-weight: 800; font-size: .88rem;
    cursor: pointer; font-family: inherit; transition: .2s; }
.btn:hover { background: var(--ana-k); transform: translateY(-2px); box-shadow: 0 12px 26px rgba(245, 158, 11, .25); }
.btn.dis { background: transparent; border: 1.5px solid var(--cizgi); color: var(--txt); }
.btn.dis:hover { border-color: var(--ana); color: var(--ana); box-shadow: none; }
.btn.kucuk { padding: 8px 14px; font-size: .8rem; }

/* Ürün detay */
.detay { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; align-items: start; }
.detay-gorsel { aspect-ratio: 1; border-radius: 18px; border: 1px solid var(--cizgi); font-size: 8rem;
    display: flex; align-items: center; justify-content: center;
    background: radial-gradient(circle at 30% 25%, #232b42, #141927); }
.detay-bilgi h1 { font-size: 1.6rem; margin: 6px 0 10px; }
.detay-bilgi .aciklama { color: var(--mut); margin: 12px 0 20px; }
.adet-kutu { display: flex; align-items: center; gap: 0; border: 1.5px solid var(--cizgi); border-radius: 11px; overflow: hidden; width: max-content; }
.adet-kutu button { width: 40px; height: 44px; background: var(--panel); border: none; color: var(--txt); font-size: 1.1rem; cursor: pointer; }
.adet-kutu input { width: 56px; text-align: center; background: transparent; border: none; color: var(--txt); font-size: 1rem; font-weight: 700; }

/* Sepet & form */
.tablo-kutu { background: var(--panel); border: 1px solid var(--cizgi); border-radius: 16px; padding: 22px; margin-bottom: 20px; }
table { width: 100%; border-collapse: collapse; }
th { text-align: left; font-size: .74rem; text-transform: uppercase; letter-spacing: .6px; color: var(--mut);
    padding: 10px 12px; border-bottom: 1px solid var(--cizgi); }
td { padding: 13px 12px; border-bottom: 1px solid rgba(38, 45, 66, .6); font-size: .92rem; vertical-align: middle; }

label { display: block; font-size: .82rem; font-weight: 700; color: var(--mut); margin-bottom: 6px; }
input, textarea { width: 100%; padding: 12px 14px; background: #0d1119; border: 1.5px solid var(--cizgi);
    border-radius: 11px; color: var(--txt); font-size: .93rem; font-family: inherit; transition: .2s; }
input:focus, textarea:focus { outline: none; border-color: var(--ana); }
.alan { margin-bottom: 14px; }
.satir { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

.odeme-izgara { display: grid; grid-template-columns: 1.1fr .9fr; gap: 22px; align-items: start; }
.demo-uyari { background: rgba(245, 158, 11, .1); border: 1.5px dashed var(--ana); color: #fbbf24;
    border-radius: 12px; padding: 12px 16px; font-size: .85rem; margin-bottom: 16px; }
.ozet-satir { display: flex; justify-content: space-between; padding: 9px 0; font-size: .92rem; border-bottom: 1px dashed var(--cizgi); }
.ozet-satir:last-child { border: none; font-size: 1.05rem; font-weight: 800; }
.ozet-satir span { color: var(--mut); }

.onay { text-align: center; padding: 40px 20px; }
.onay .tik { width: 90px; height: 90px; border-radius: 50%; background: var(--yesil); color: #10141f; font-size: 2.6rem;
    display: flex; align-items: center; justify-content: center; margin: 0 auto 18px; animation: pat .5s cubic-bezier(.68,-.55,.27,1.55); }
@keyframes pat { from { transform: scale(0); } }
.onay .kod { display: inline-block; background: var(--panel); border: 1.5px dashed var(--ana); color: var(--ana);
    border-radius: 12px; padding: 10px 24px; font-weight: 800; font-size: 1.1rem; letter-spacing: 2px; margin: 14px 0; }

.bos { text-align: center; color: var(--mut); padding: 50px 0; }
.bos .buyuk { font-size: 3.4rem; }

@media (max-width: 760px) { .detay, .odeme-izgara { grid-template-columns: 1fr; } .satir { grid-template-columns: 1fr; } }