:root {
  color-scheme: light;
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #898781;
  --gridline: #e1e0d9;
  --axis: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10);
  --hover: rgba(11, 11, 11, 0.04);
  --s1: #2a78d6;      /* alış / bot değeri */
  --s2: #eb6834;      /* satış / sadece tut */
  --neg: #e34948;     /* negatif çubuk */
  --up: #0ca30c;      /* yükselen mum */
  --down: #d03b3b;    /* düşen mum */
  --pos-text: #006300;
  --neg-text: #d03b3b;
  --warn: #fab219;
}
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --page: #0d0d0d;
    --surface: #1a1a19;
    --ink: #ffffff;
    --ink-2: #c3c2b7;
    --gridline: #2c2c2a;
    --axis: #383835;
    --border: rgba(255, 255, 255, 0.10);
    --hover: rgba(255, 255, 255, 0.05);
    --s1: #3987e5;
    --s2: #d95926;
    --neg: #e66767;
    --pos-text: #0ca30c;
    --neg-text: #e66767;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font: 14px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif;
}
button, input, select { font: inherit; color: inherit; }

/* ---------- üst çubuk ---------- */
.ust {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  padding: 10px max(16px, calc((100vw - 1200px) / 2));
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.marka { font-weight: 650; font-size: 16px; display: flex; align-items: center; gap: 8px; }
.ust-sag { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.ust-sag form { margin: 0; }

.rozet {
  font-size: 11px; font-weight: 650; letter-spacing: .04em;
  padding: 2px 7px; border-radius: 999px; border: 1px solid var(--border); color: var(--ink-2);
}
.rozet.canli { border-color: var(--neg-text); color: var(--neg-text); }

.durum { display: inline-flex; align-items: center; gap: 6px; color: var(--ink-2); font-size: 13px; }
.durum .nokta { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); }
.durum.iyi .nokta { background: var(--up); }
.durum.uyari .nokta { background: var(--warn); }
.durum.kotu .nokta { background: var(--down); }

.btn {
  border: 1px solid var(--border); background: var(--surface); border-radius: 8px;
  padding: 6px 12px; cursor: pointer;
}
.btn:hover { background: var(--hover); }
.btn:disabled { opacity: .5; cursor: default; }
.btn-ana { background: var(--s1); border-color: var(--s1); color: #fff; }
.btn-ana:hover { filter: brightness(1.08); background: var(--s1); }
.btn-tehlike { color: var(--neg-text); border-color: var(--neg-text); }
.btn-hayalet { border-color: transparent; color: var(--ink-2); }

/* ---------- düzen ---------- */
main {
  max-width: 1200px; margin: 0 auto;
  padding: 16px;
  display: flex; flex-direction: column; gap: 16px;
}
section { display: flex; flex-direction: column; gap: 16px; }
/* Geniş tablolar sayfayı değil kendi kutusunu kaydırsın */
main > *, section > *, .iki-sutun > * { min-width: 0; }
.kart {
  background: var(--surface); border: 1px solid var(--border); border-radius: 12px;
  padding: 16px; min-width: 0;
}
.kart-bas { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 8px; }
.kart h2 { font-size: 15px; font-weight: 600; margin: 0; }
.kart .alt { color: var(--muted); font-size: 12.5px; }
.iki-sutun { display: grid; grid-template-columns: 3fr 2fr; gap: 16px; }
@media (max-width: 860px) { .iki-sutun { grid-template-columns: 1fr; } }

/* ---------- stat kutuları ---------- */
.kutular { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }
@media (max-width: 420px) {
  .kutular { grid-template-columns: 1fr 1fr; gap: 8px; }
  .kutu { padding: 12px; }
  .kutu .deger { font-size: 20px; }
}
.kutu { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; }
.kutu .etiket { color: var(--ink-2); font-size: 12.5px; }
.kutu .deger { font-size: 24px; font-weight: 650; margin-top: 2px; }
.kutu .not { color: var(--muted); font-size: 12.5px; margin-top: 2px; }
.pozitif { color: var(--pos-text); }
.negatif { color: var(--neg-text); }

/* ---------- grafikler ---------- */
.grafik { height: 360px; width: 100%; }
.grafik.kisa { height: 260px; }
.lejant { display: flex; gap: 14px; flex-wrap: wrap; font-size: 12.5px; color: var(--ink-2); min-height: 20px; font-variant-numeric: tabular-nums; }
.lejant .oge { display: inline-flex; align-items: center; gap: 6px; }
.lejant .cizgi { width: 14px; height: 2px; border-radius: 1px; }
.secici { display: inline-flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.secici button { border: 0; background: transparent; padding: 4px 10px; cursor: pointer; color: var(--ink-2); }
.secici button:hover { background: var(--hover); }
.secici button.secili { background: var(--hover); color: var(--ink); font-weight: 600; }
.bos-not { color: var(--muted); padding: 24px 0; text-align: center; }

/* ---------- grid merdiveni ---------- */
.merdiven { display: flex; flex-direction: column; font-variant-numeric: tabular-nums; }
.basamak {
  display: grid; grid-template-columns: 1fr auto auto; gap: 12px; align-items: center;
  padding: 6px 4px; border-bottom: 1px solid var(--gridline);
}
.basamak:last-child { border-bottom: 0; }
.basamak .fark { color: var(--muted); font-size: 12.5px; }
.emir-etiket { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--ink-2); min-width: 92px; }
.emir-etiket::before { content: ""; width: 8px; height: 8px; border-radius: 2px; background: var(--axis); }
.emir-etiket.al::before { background: var(--s1); }
.emir-etiket.sat::before { background: var(--s2); }
.basamak.simdi { border: 1px solid var(--ink-2); border-radius: 6px; font-weight: 600; margin: 2px 0; }

/* ---------- tablolar ---------- */
.tablo-kap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
th { text-align: left; color: var(--muted); font-weight: 500; font-size: 12.5px; padding: 6px 8px; border-bottom: 1px solid var(--axis); white-space: nowrap; }
td { padding: 7px 8px; border-bottom: 1px solid var(--gridline); white-space: nowrap; }
td.sayi, th.sayi { text-align: right; }
tr:hover td { background: var(--hover); }
td.mesaj { white-space: normal; min-width: 260px; }
.seviye-WARNING { color: var(--ink); }
.seviye-WARNING::before { content: "⚠ "; }
.seviye-ERROR { color: var(--neg-text); }
.seviye-ERROR::before { content: "✕ "; }

/* ---------- formlar ---------- */
.form-izgara { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; }
label.alan { display: flex; flex-direction: column; gap: 4px; color: var(--ink-2); font-size: 12.5px; }
label.alan input, label.alan select {
  padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; background: var(--page); font-size: 14px;
}
.onizleme { margin-top: 12px; color: var(--ink-2); font-size: 13px; display: flex; gap: 16px; flex-wrap: wrap; }
.onizleme b { color: var(--ink); }
.form-alt { margin-top: 14px; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.uyari-kutu { border: 1px solid var(--neg-text); border-radius: 8px; padding: 12px; margin-top: 12px; }
.ayar-listesi { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 8px 16px; margin: 0; }
.ayar-listesi dt { color: var(--muted); font-size: 12.5px; }
.ayar-listesi dd { margin: 0; font-weight: 600; }

/* ---------- otomatik pilot ---------- */
.anahtar { display: inline-flex; align-items: center; gap: 10px; cursor: pointer; padding: 6px 0; color: var(--ink); font-size: 14px; }
.anahtar input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.kaydirici { position: relative; width: 42px; height: 24px; border-radius: 999px; background: var(--axis); transition: background .15s; flex: none; }
.kaydirici::after { content: ""; position: absolute; top: 3px; left: 3px; width: 18px; height: 18px; border-radius: 50%; background: #fff; transition: transform .15s; }
.anahtar input:checked + .kaydirici { background: var(--up); }
.anahtar input:checked + .kaydirici::after { transform: translateX(18px); }
.anahtar input:focus-visible + .kaydirici { outline: 2px solid var(--s1); outline-offset: 2px; }
.anahtar-metin { font-weight: 600; }
.kararlar { margin-top: 14px; border-top: 1px solid var(--gridline); }
.karar { display: grid; grid-template-columns: 92px 1fr; gap: 2px 12px; padding: 8px 0; border-bottom: 1px solid var(--gridline); }
.karar:last-child { border-bottom: 0; }
.karar .zaman { color: var(--muted); font-size: 12.5px; font-variant-numeric: tabular-nums; }
.karar .sebep { grid-column: 2; color: var(--ink-2); font-size: 12.5px; }
.aciklama { color: var(--ink-2); font-size: 12.5px; margin: 0 0 10px; max-width: 900px; }
tr.soluk td { color: var(--muted); }
tr.soluk td b { font-weight: 500; }
.etiket-uygun { color: var(--pos-text); }
.btn-kucuk { padding: 3px 9px; font-size: 12.5px; }

/* ---------- güvenlik durumu ---------- */
.saglik-izgara { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 10px; }
.saglik-oge { display: grid; grid-template-columns: 22px 1fr; gap: 2px 8px; padding: 10px 12px; border: 1px solid var(--gridline); border-radius: 10px; }
.saglik-oge .ikon { grid-row: span 2; font-size: 15px; line-height: 1.3; }
.saglik-oge b { font-weight: 600; }
.saglik-oge .detay { color: var(--ink-2); font-size: 12.5px; }

/* ---------- bildirim ---------- */
.bildirim {
  position: fixed; right: 16px; bottom: calc(16px + env(safe-area-inset-bottom, 0px)); z-index: 20; max-width: min(420px, calc(100vw - 32px));
  background: var(--surface); border: 1px solid var(--border); border-left: 4px solid var(--s1);
  border-radius: 8px; padding: 12px 14px; box-shadow: 0 6px 24px rgba(0, 0, 0, .18);
}
.bildirim.hata { border-left-color: var(--down); }

/* ---------- giriş ---------- */
.giris-kap { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.giris-kart { width: min(360px, 100%); }
.giris-kart h1 { font-size: 20px; margin: 0 0 4px; }
.giris-kart form { display: flex; flex-direction: column; gap: 12px; margin-top: 16px; }
.giris-hata { color: var(--neg-text); font-size: 13px; }