:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-2: #f1f3f6;
  --border: #dfe3e8;
  --text: #16191d;
  --muted: #5d6671;
  --accent: #2563eb;
  --accent-text: #ffffff;
  --accent-soft: #e8efff;
  --good: #15803d;
  --warn: #b45309;
  --bad: #b91c1c;
  --c-pool: #d97706;
  --c-swap: #2563eb;
  --c-rt: #0d9488;
  --c-insitu: #7c3aed;
  --c-ng: #0d9488;
  --c-max: #2563eb;
  --radius: 10px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f1216;
    --surface: #171b21;
    --surface-2: #1e232b;
    --border: #2c333d;
    --text: #e7eaee;
    --muted: #9aa4b0;
    --accent: #5b8cff;
    --accent-text: #0b0e12;
    --accent-soft: #1d2a45;
    --good: #4ade80;
    --warn: #fbbf24;
    --bad: #f87171;
    --c-pool: #f59e0b;
    --c-swap: #5b8cff;
    --c-rt: #2dd4bf;
    --c-insitu: #a78bfa;
    --c-ng: #2dd4bf;
    --c-max: #5b8cff;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0f1216; --surface: #171b21; --surface-2: #1e232b; --border: #2c333d;
  --text: #e7eaee; --muted: #9aa4b0; --accent: #5b8cff; --accent-text: #0b0e12; --accent-soft: #1d2a45;
  --good: #4ade80; --warn: #fbbf24; --bad: #f87171;
  --c-pool: #f59e0b; --c-swap: #5b8cff; --c-rt: #2dd4bf; --c-insitu: #a78bfa; --c-ng: #2dd4bf; --c-max: #5b8cff;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 14px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 16px; }
h1 { font-size: 20px; margin: 0; letter-spacing: -0.01em; }
h2 { font-size: 16px; margin: 0; }
h3 { font-size: 14px; margin: 18px 0 6px; }
code { font: 12px ui-monospace, SFMono-Regular, Menlo, monospace; background: var(--surface-2); padding: 1px 4px; border-radius: 4px; }

.top { background: var(--surface); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 5; }
.top-inner { display: flex; gap: 12px; align-items: center; justify-content: space-between; padding-top: 14px; padding-bottom: 10px; flex-wrap: wrap; }
.sub { margin: 2px 0 0; color: var(--muted); font-size: 13px; }
.tabs { display: flex; gap: 2px; overflow-x: auto; scrollbar-width: none; }
.tabs button {
  border: 0; background: none; color: var(--muted); font: inherit; padding: 8px 12px; cursor: pointer;
  border-bottom: 2px solid transparent; white-space: nowrap;
}
.tabs button[aria-selected="true"] { color: var(--text); border-bottom-color: var(--accent); font-weight: 600; }

main { padding-top: 16px; padding-bottom: 24px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; margin-bottom: 16px; min-width: 0; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.note { color: var(--muted); font-size: 12.5px; margin: 10px 0 0; }
.empty { text-align: center; color: var(--muted); padding: 48px 16px; border: 1px dashed var(--border); border-radius: var(--radius); }
.prose { max-width: 780px; }
.prose p, .prose li { color: var(--text); }
.foot { color: var(--muted); font-size: 12px; padding-bottom: 24px; }

.btn {
  font: inherit; font-size: 13px; padding: 7px 12px; border-radius: 8px; cursor: pointer;
  border: 1px solid var(--border); background: var(--surface); color: var(--text);
}
.btn:hover { background: var(--surface-2); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); font-weight: 600; }
.btn.primary:hover { filter: brightness(1.08); }
.btn.small { padding: 3px 8px; font-size: 12px; }
.btn.danger { color: var(--bad); }
.btn:disabled { opacity: .55; cursor: progress; }
.btn-row { display: flex; gap: 8px; flex-wrap: wrap; }

.status { padding: 10px 12px; border-radius: 8px; margin-bottom: 16px; background: var(--accent-soft); }
.status.err { background: color-mix(in srgb, var(--bad) 14%, transparent); color: var(--bad); }

.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table.data { border-collapse: collapse; width: 100%; font-size: 13px; font-variant-numeric: tabular-nums; }
table.data th, table.data td { padding: 6px 8px; border-bottom: 1px solid var(--border); text-align: left; white-space: nowrap; }
table.data th { font-weight: 600; color: var(--muted); font-size: 12px; background: var(--surface); position: sticky; top: 0; }
table.data td.num, table.data th.num { text-align: right; }
table.data tbody tr.click { cursor: pointer; }
table.data tbody tr.click:hover { background: var(--surface-2); }
table.data tbody tr.sel { background: var(--accent-soft); }
table.data tr.best td:first-child { box-shadow: inset 3px 0 0 var(--good); }
table.data .strong { font-weight: 700; }
.tag { display: inline-block; font-size: 11px; padding: 0 6px; border-radius: 99px; background: var(--surface-2); color: var(--muted); }
.tag.warn { color: var(--warn); background: color-mix(in srgb, var(--warn) 14%, transparent); }
.tag.good { color: var(--good); background: color-mix(in srgb, var(--good) 14%, transparent); }

table.edit input, table.edit select {
  font: inherit; font-size: 13px; width: 100%; min-width: 70px; padding: 4px 6px;
  border: 1px solid var(--border); border-radius: 6px; background: var(--surface); color: var(--text);
}
table.edit input[type="checkbox"] { width: auto; min-width: 0; }
table.edit input[type="date"] { min-width: 130px; }

.paste { margin-bottom: 12px; }
textarea {
  width: 100%; font: 12px ui-monospace, SFMono-Regular, Menlo, monospace; padding: 8px;
  border: 1px solid var(--border); border-radius: 8px; background: var(--surface); color: var(--text); margin: 8px 0;
}

/* parameters */
.pgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px 16px; }
.field label { display: block; font-size: 12.5px; font-weight: 600; margin-bottom: 3px; }
.field .hint { display: block; color: var(--muted); font-size: 11.5px; margin-top: 2px; }
.field input, .field select {
  font: inherit; width: 100%; padding: 6px 8px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--surface); color: var(--text);
}
.field.verify label::after { content: "doğrula"; margin-left: 6px; font-size: 10.5px; font-weight: 500; color: var(--warn); }

/* scenarios */
.sc { border: 1px solid var(--border); border-radius: 8px; padding: 12px; margin-top: 10px; }
.sc-head { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.sc-head input[type="text"] { font: inherit; font-weight: 600; padding: 4px 8px; border: 1px solid var(--border); border-radius: 6px; background: var(--surface); color: var(--text); min-width: 0; flex: 0 1 220px; }
.sc-head .desc { flex: 1 1 260px; font-weight: 400; }
.sc textarea { min-height: 70px; }
.sc .err { color: var(--bad); font-size: 12px; }

/* KPIs */
.kpis { display: grid; grid-template-columns: repeat(auto-fill, minmax(165px, 1fr)); gap: 10px; margin-bottom: 16px; }
.kpi { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px; }
.kpi .k { color: var(--muted); font-size: 12px; }
.kpi .v { font-size: 20px; font-weight: 700; font-variant-numeric: tabular-nums; margin-top: 2px; }
.kpi .s { color: var(--muted); font-size: 11.5px; }

.mix { display: flex; height: 10px; border-radius: 99px; overflow: hidden; background: var(--surface-2); margin: 8px 0 6px; }
.legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: 12px; color: var(--muted); }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 5px; vertical-align: -1px; }
.m-POOL { background: var(--c-pool); }
.m-SWAP { background: var(--c-swap); }
.m-ROUNDTRIP { background: var(--c-rt); }
.m-INSITU { background: var(--c-insitu); }
.cell-bar { display: inline-flex; gap: 2px; vertical-align: middle; }
.cell-bar span { width: 9px; height: 9px; border-radius: 2px; }

.chart svg { width: 100%; min-width: 640px; height: auto; display: block; }
.chart .axis text { fill: var(--muted); font-size: 11px; }
.chart .grid line { stroke: var(--border); }
.chart .l-ng { stroke: var(--c-ng); }
.chart .l-max { stroke: var(--c-max); }
.chart .zero { stroke: var(--bad); stroke-dasharray: 3 3; }
.chart .ev { fill: var(--muted); opacity: .35; }

@media (max-width: 600px) {
  h1 { font-size: 18px; }
  .top-inner { padding-top: 10px; }
  .kpi .v { font-size: 18px; }
}