:root {
  --zemin: #f4f6fa;
  --yuzey: #ffffff;
  --kenar: #e2e7f0;
  --yazi: #16202f;
  --sonuk: #64748b;
  --vurgu: #2563eb;
  --vurgu-koyu: #1d4ed8;
  --yesil: #12805c;
  --yesil-zemin: #e7f7f0;
  --kirmizi: #d1344b;
  --sari: #b45309;
  --golge: 0 1px 2px rgba(16, 32, 60, .06), 0 8px 24px rgba(16, 32, 60, .06);
  --yuvarlak: 12px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --zemin: #0e1420;
    --yuzey: #161e2e;
    --kenar: #26314a;
    --yazi: #e8edf7;
    --sonuk: #94a3b8;
    --vurgu: #5b8cff;
    --vurgu-koyu: #7aa2ff;
    --yesil: #34d399;
    --yesil-zemin: #10291f;
    --kirmizi: #fb7185;
    --sari: #fbbf24;
    --golge: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .35);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--zemin);
  color: var(--yazi);
  font: 15px/1.55 "Segoe UI", system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { margin: 0; font-weight: 650; letter-spacing: -.01em; }
h1 { font-size: 19px; }
h2 { font-size: 15px; }

button, select, input { font: inherit; color: inherit; }
button { cursor: pointer; }
.gizli { display: none !important; }

/* ---------- üst şerit ---------- */
.ust {
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px; padding: 12px 26px;
  background: var(--yuzey); border-bottom: 1px solid var(--kenar);
  position: sticky; top: 0; z-index: 20;
}
.marka { display: flex; align-items: center; gap: 11px; }
.alt-baslik { font-size: 12px; color: var(--sonuk); }

.sekmeler { display: flex; gap: 4px; }
.sekme {
  border: 0; background: transparent; color: var(--sonuk);
  padding: 8px 15px; border-radius: 8px; font-weight: 550;
  display: flex; align-items: center; gap: 7px;
}
.sekme:hover { background: var(--zemin); color: var(--yazi); }
.sekme.etkin { background: var(--vurgu); color: #fff; }

.rozet {
  background: var(--kirmizi); color: #fff; border-radius: 999px;
  font-size: 11px; font-weight: 700; padding: 1px 7px; min-width: 18px;
  text-align: center;
}
.sekme.etkin .rozet { background: rgba(255, 255, 255, .28); }

main { max-width: 1400px; margin: 0 auto; padding: 22px 26px 60px; }
.panel { display: none; }
.panel.etkin { display: block; }

/* ---------- arama ---------- */
.arama-kutusu { display: flex; gap: 10px; margin-bottom: 14px; }
.arama-kutusu input {
  flex: 1; padding: 14px 18px; border-radius: var(--yuvarlak);
  border: 1px solid var(--kenar); background: var(--yuzey);
  box-shadow: var(--golge); outline: none; font-size: 15px;
}
.arama-kutusu input:focus { border-color: var(--vurgu); }
.arama-kutusu button {
  padding: 0 28px; border: 0; border-radius: var(--yuvarlak);
  background: var(--vurgu); color: #fff; font-weight: 650; white-space: nowrap;
}
.arama-kutusu button:hover { background: var(--vurgu-koyu); }
.arama-kutusu button:disabled { opacity: .55; cursor: progress; }

.kaynak-secim {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 10px 20px; margin-bottom: 8px;
}
.kaynak-grup-basligi {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: .06em; color: var(--sonuk); margin-bottom: 6px;
}
.grup-dugme {
  border: 0; background: transparent; color: var(--vurgu);
  font-size: 11px; font-weight: 600; text-transform: none; letter-spacing: 0;
  padding: 2px 4px;
}
.grup-dugme:hover { text-decoration: underline; }
.kaynak-satir-liste { display: flex; flex-wrap: wrap; gap: 7px; }
.kaynak-etiket .yavas { font-size: 10px; opacity: .6; }
.secim-bilgi { margin-bottom: 16px; }
.kaynak-etiket {
  display: inline-flex; align-items: center; gap: 7px; cursor: pointer;
  padding: 6px 13px; border-radius: 999px; font-size: 13px; font-weight: 550;
  background: var(--yuzey); border: 1px solid var(--kenar); user-select: none;
}
.kaynak-etiket input { display: none; }
.kaynak-etiket .nokta {
  width: 9px; height: 9px; border-radius: 50%; background: currentColor;
  opacity: .28; transition: opacity .15s;
}
.kaynak-etiket.secili { border-color: currentColor; }
.kaynak-etiket.secili .nokta { opacity: 1; }
.kaynak-etiket.secili .ad { color: var(--yazi); }
.kaynak-etiket .ad { color: var(--sonuk); }

.durum {
  padding: 11px 16px; border-radius: 10px; margin-bottom: 16px;
  background: var(--yuzey); border: 1px solid var(--kenar); font-size: 13.5px;
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
}
.durum.hata { border-color: var(--kirmizi); color: var(--kirmizi); }
.dondur {
  width: 15px; height: 15px; border-radius: 50%; flex: none;
  border: 2px solid var(--kenar); border-top-color: var(--vurgu);
  animation: don .7s linear infinite;
}
@keyframes don { to { transform: rotate(360deg); } }

.kaynak-cip {
  font-size: 11.5px; padding: 2px 9px; border-radius: 999px;
  background: var(--zemin); border: 1px solid var(--kenar); color: var(--sonuk);
}
.kaynak-cip.iyi { color: var(--yesil); border-color: currentColor; }
.kaynak-cip.kotu { color: var(--kirmizi); border-color: currentColor; }

/* ---------- kartlar ---------- */
.kart {
  background: var(--yuzey); border: 1px solid var(--kenar);
  border-radius: var(--yuvarlak); box-shadow: var(--golge);
  padding: 18px 20px; margin-bottom: 18px;
}
.kart-ust {
  display: flex; align-items: center; justify-content: space-between;
  gap: 14px; margin-bottom: 14px; flex-wrap: wrap;
}
.araclar { display: flex; align-items: center; gap: 9px; flex-wrap: wrap; }
.araclar label { font-size: 12.5px; color: var(--sonuk); display: flex; align-items: center; gap: 6px; }
select {
  padding: 6px 10px; border-radius: 8px; border: 1px solid var(--kenar);
  background: var(--yuzey);
}
.ikincil {
  border: 1px solid var(--kenar); background: var(--yuzey);
  padding: 7px 14px; border-radius: 8px; font-weight: 550; font-size: 13px;
}
.ikincil:hover { border-color: var(--vurgu); color: var(--vurgu); }
.sayac { color: var(--sonuk); font-weight: 400; font-size: 13px; }
.ipucu { color: var(--sonuk); font-size: 12.5px; margin: 0 0 12px; }

.iki-sutun { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 980px) { .iki-sutun { grid-template-columns: 1fr; } }

/* ---------- özet kartları ---------- */
.ozet-kartlari {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 14px; margin-bottom: 18px;
}
.ozet {
  background: var(--yuzey); border: 1px solid var(--kenar);
  border-radius: var(--yuvarlak); padding: 15px 17px; box-shadow: var(--golge);
}
.ozet .etiket {
  font-size: 11.5px; text-transform: uppercase; letter-spacing: .06em;
  color: var(--sonuk); font-weight: 600;
}
.ozet .deger { font-size: 25px; font-weight: 700; margin-top: 5px; letter-spacing: -.02em; }
.ozet .not { font-size: 12px; color: var(--sonuk); margin-top: 3px; }
.ozet.iyi { background: var(--yesil-zemin); border-color: var(--yesil); }
.ozet.iyi .deger { color: var(--yesil); }

/* ---------- kaynak tablosu ---------- */
.kaynak-satir {
  display: grid; grid-template-columns: 108px 1fr 92px; gap: 12px;
  align-items: center; padding: 9px 0; border-bottom: 1px solid var(--kenar);
}
.kaynak-satir:last-child { border-bottom: 0; }
.kaynak-adi { font-weight: 600; font-size: 13.5px; display: flex; align-items: center; gap: 7px; }
.kaynak-adi .nokta { width: 9px; height: 9px; border-radius: 50%; flex: none; }
.cubuk-kap { background: var(--zemin); border-radius: 999px; height: 22px; position: relative; overflow: hidden; }
.cubuk { height: 100%; border-radius: 999px; min-width: 3px; transition: width .4s ease; }
.cubuk-yazi {
  position: absolute; inset: 0; display: flex; align-items: center;
  padding-left: 10px; font-size: 12px; font-weight: 600;
}
.fark { text-align: right; font-size: 12.5px; color: var(--sonuk); }
.fark.taban { color: var(--yesil); font-weight: 650; }

/* ---------- ürün ızgarası ---------- */
.izgara {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(215px, 1fr));
  gap: 15px;
}
.urun {
  border: 1px solid var(--kenar); border-radius: var(--yuvarlak);
  overflow: hidden; background: var(--yuzey); display: flex; flex-direction: column;
  transition: transform .13s ease, box-shadow .13s ease, border-color .13s;
  position: relative;
}
.urun:hover { transform: translateY(-3px); box-shadow: var(--golge); border-color: var(--vurgu); }
.urun.en-ucuz { border-color: var(--yesil); border-width: 2px; }

.urun-gorsel {
  aspect-ratio: 1; background: #fff; display: flex;
  align-items: center; justify-content: center; overflow: hidden;
}
.urun-gorsel img { width: 100%; height: 100%; object-fit: contain; }
.urun-gorsel .yok { color: #b8c0cf; font-size: 11px; }

.urun-govde { padding: 11px 13px 13px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.urun-kaynak {
  font-size: 10.5px; font-weight: 700; text-transform: uppercase;
  letter-spacing: .05em;
}
.urun-ad {
  font-size: 13px; line-height: 1.36; margin: 0; color: var(--yazi);
  text-decoration: none; display: -webkit-box; -webkit-line-clamp: 3;
  -webkit-box-orient: vertical; overflow: hidden;
}
.urun-ad:hover { color: var(--vurgu); }
.urun-satici { font-size: 11.5px; color: var(--sonuk); }
.urun-fiyat-satir { display: flex; align-items: baseline; gap: 8px; margin-top: auto; padding-top: 6px; }
.urun-fiyat { font-size: 18px; font-weight: 700; letter-spacing: -.02em; }
.urun-eski { font-size: 12px; color: var(--sonuk); text-decoration: line-through; }
.urun-alt { display: flex; align-items: center; gap: 8px; font-size: 11.5px; color: var(--sonuk); }

.etiket-serit {
  position: absolute; top: 9px; left: 9px; z-index: 2;
  background: var(--yesil); color: #fff; font-size: 10.5px; font-weight: 700;
  padding: 3px 9px; border-radius: 999px;
}
.etiket-indirim {
  position: absolute; top: 9px; right: 9px; z-index: 2;
  background: var(--kirmizi); color: #fff; font-size: 10.5px; font-weight: 700;
  padding: 3px 8px; border-radius: 999px;
}

.urun-birim {
  font-size: 11.5px; font-weight: 600; color: var(--sonuk);
  background: var(--zemin); border-radius: 6px; padding: 3px 8px;
  align-self: flex-start;
}
.urun-birim.sampiyon { background: var(--yesil-zemin); color: var(--yesil); }

/* ---------- birim fiyat uyarısı ---------- */
.birim-uyari {
  background: var(--yesil-zemin); border: 1px solid var(--yesil);
  border-radius: var(--yuvarlak); padding: 14px 18px; margin-bottom: 18px;
}
.birim-uyari strong { display: block; color: var(--yesil); margin-bottom: 4px; font-size: 14px; }
.birim-uyari p { margin: 0 0 10px; font-size: 13.5px; line-height: 1.5; }
.birim-uyari .ikincil { background: transparent; border-color: var(--yesil); color: var(--yesil); }

/* ---------- grafik ---------- */
.grafik-alan { min-height: 176px; display: flex; align-items: center; justify-content: center; }
.grafik-alan svg { width: 100%; height: 176px; }
.grafik-bos { color: var(--sonuk); font-size: 13px; text-align: center; }

/* ---------- boş durum ---------- */
.bos-durum { text-align: center; padding: 72px 20px; color: var(--sonuk); }
.bos-durum .buyuk { font-size: 19px; font-weight: 600; color: var(--yazi); margin: 0 0 6px; }
.ornekler { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; margin-top: 22px; }
.ornek {
  background: var(--yuzey); border: 1px solid var(--kenar); padding: 7px 15px;
  border-radius: 999px; font-size: 13px; color: var(--yazi);
}
.ornek:hover { border-color: var(--vurgu); color: var(--vurgu); }

/* ---------- takip & uyarı listeleri ---------- */
.liste-satir {
  display: flex; align-items: center; gap: 14px; padding: 13px 0;
  border-bottom: 1px solid var(--kenar);
}
.liste-satir:last-child { border-bottom: 0; }
.liste-ana { flex: 1; min-width: 0; }
.liste-baslik { font-weight: 600; font-size: 14px; }
.liste-alt { font-size: 12.5px; color: var(--sonuk); margin-top: 2px; }
.liste-fiyat { font-size: 17px; font-weight: 700; white-space: nowrap; }
.sil {
  border: 1px solid var(--kenar); background: transparent; color: var(--sonuk);
  border-radius: 8px; padding: 5px 11px; font-size: 12.5px;
}
.sil:hover { border-color: var(--kirmizi); color: var(--kirmizi); }

.uyari-satir { border-left: 3px solid var(--kenar); padding-left: 13px; }
.uyari-satir.dusus, .uyari-satir.hedef { border-left-color: var(--yesil); }
.uyari-satir.artis { border-left-color: var(--sari); }
.uyari-satir.bos { border-left-color: var(--kirmizi); }
.uyari-satir.okunmamis .liste-baslik::after {
  content: ""; display: inline-block; width: 7px; height: 7px;
  background: var(--vurgu); border-radius: 50%; margin-left: 8px;
  vertical-align: middle;
}

.bos-liste { color: var(--sonuk); font-size: 13.5px; padding: 26px 0; text-align: center; }

/* ---------- bildirim ---------- */
.bildirim {
  position: fixed; bottom: 26px; left: 50%; transform: translateX(-50%);
  background: var(--yazi); color: var(--zemin); padding: 12px 22px;
  border-radius: 10px; font-size: 13.5px; font-weight: 550; z-index: 60;
  box-shadow: 0 8px 28px rgba(0, 0, 0, .28); max-width: 80vw;
}
.bildirim.hata { background: var(--kirmizi); color: #fff; }