/* KBot dashboard. Dark first (the way Alan uses it), light follows the OS setting. */
:root {
  color-scheme: dark;
  --bg: #141413;
  --surface-1: #1a1a19;
  --surface-2: #232321;
  --border: #33332f;
  --text-primary: #f0efec;
  --text-secondary: #c3c2b7;
  --text-muted: #8f8e86;
  --accent: #3987e5;
  --good: #0ca30c;
  --good-text: #3fbf3f;
  --bad: #d03b3b;
  --bad-text: #e66767;
  --warn: #fab219;
  /* categorical slots (dark steps) - fixed per strategy, never cycled */
  --series-1: #3987e5;
  --series-2: #d95926;
  --series-3: #199e70;
  --series-4: #c98500;
  --series-5: #d55181;
  --series-6: #008300;
  --series-7: #9085e9;
  --series-8: #e66767;
  --benchmark: #8f8e86;
  /* diverging blue <-> red, gray midpoint */
  --div-neg: #e66767;
  --div-mid: #383835;
  --div-pos: #3987e5;
  --grid: #262624;
  --radius: 10px;
  font-size: 15px;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    color-scheme: light;
    --bg: #f4f3f0;
    --surface-1: #fcfcfb;
    --surface-2: #f0efec;
    --border: #dddcd6;
    --text-primary: #0b0b0b;
    --text-secondary: #52514e;
    --text-muted: #7a7973;
    --accent: #2a78d6;
    --good-text: #006300;
    --bad-text: #b22a2a;
    --series-1: #2a78d6;
    --series-2: #eb6834;
    --series-3: #1baf7a;
    --series-4: #eda100;
    --series-5: #e87ba4;
    --series-6: #008300;
    --series-7: #6250d6;
    --series-8: #e34948;
    --benchmark: #7a7973;
    --div-neg: #e34948;
    --div-mid: #f0efec;
    --div-pos: #2a78d6;
    --grid: #ecebe7;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
.num, td.num, .tabnum { font-variant-numeric: tabular-nums; }
.muted { color: var(--text-muted); }
.small { font-size: 0.85rem; }
.pos { color: var(--good-text); }
.neg { color: var(--bad-text); }
h1, h2, h3 { margin: 0; font-weight: 600; letter-spacing: -0.01em; }
h1 { font-size: 1.35rem; }
h2 { font-size: 1.05rem; }
h3 { font-size: 0.95rem; }

/* ---------- header ---------- */
.topbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: 16px;
  padding: 10px 16px;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 1.05rem; }
.brand-mark {
  display: inline-grid; place-items: center; width: 26px; height: 26px; border-radius: 7px;
  background: var(--accent); color: #fff; font-size: 0.9rem;
}
.nav { display: flex; gap: 4px; margin-left: 8px; }
.nav a {
  color: var(--text-secondary); padding: 6px 12px; border-radius: 8px; font-size: 0.92rem;
}
.nav a.active { background: var(--surface-2); color: var(--text-primary); }
.topbar .spacer { flex: 1; }
.topbar .logout { color: var(--text-muted); font-size: 0.85rem; }

main { max-width: 1240px; margin: 0 auto; padding: 20px 16px 60px; }
.page-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.page-head .sub { color: var(--text-secondary); margin-top: 4px; font-size: 0.9rem; }

/* ---------- panels ---------- */
.panel {
  background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px; margin-bottom: 16px;
}
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.panel-head p { margin: 2px 0 0; color: var(--text-muted); font-size: 0.85rem; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-2 > * { min-width: 0; }
@media (max-width: 860px) { .grid-2 { grid-template-columns: 1fr; } }

/* ---------- buttons & forms ---------- */
.btn {
  appearance: none; border: 1px solid var(--border); background: var(--surface-2); color: var(--text-primary);
  padding: 8px 14px; border-radius: 8px; font: inherit; font-size: 0.9rem; cursor: pointer; white-space: nowrap;
}
.btn:hover { border-color: var(--text-muted); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
.btn.danger { color: var(--bad-text); }
.btn.small { padding: 5px 10px; font-size: 0.82rem; }
.btn:disabled { opacity: 0.55; cursor: default; }
.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.seg button { appearance: none; border: 0; background: transparent; color: var(--text-secondary); padding: 5px 10px; font: inherit; font-size: 0.82rem; cursor: pointer; }
.seg button.on { background: var(--surface-2); color: var(--text-primary); }

form.run-form { display: grid; gap: 18px; }
.fieldset { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 14px; }
.field { display: flex; flex-direction: column; gap: 5px; }
.field label, .field .label { font-size: 0.82rem; color: var(--text-secondary); font-weight: 500; }
.field .hint { font-size: 0.76rem; color: var(--text-muted); }
input[type=text], input[type=number], input[type=password], select {
  width: 100%; padding: 9px 10px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--surface-2); color: var(--text-primary); font: inherit; font-size: 16px; /* 16px stops iOS zoom */
}
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
.checks { display: flex; flex-wrap: wrap; gap: 8px; }
.check {
  display: flex; align-items: flex-start; gap: 10px; padding: 10px 12px; border: 1px solid var(--border);
  border-radius: 8px; background: var(--surface-2); cursor: pointer; flex: 1 1 260px;
}
.check input { margin-top: 3px; accent-color: var(--accent); }
.check b { display: block; font-size: 0.9rem; }
.check span { display: block; font-size: 0.78rem; color: var(--text-muted); }
.toggle { display: flex; align-items: center; gap: 8px; font-size: 0.9rem; cursor: pointer; }
.toggle input { accent-color: var(--accent); width: 18px; height: 18px; }
.form-actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.form-error { color: var(--bad-text); font-size: 0.88rem; margin: 0; }
.section-label { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-muted); margin-bottom: 8px; font-weight: 600; }

.progress { display: flex; align-items: center; gap: 10px; color: var(--text-secondary); font-size: 0.9rem; }
.spinner { width: 16px; height: 16px; border: 2px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- chips ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.chip { font-size: 0.78rem; padding: 3px 9px; border-radius: 999px; background: var(--surface-2); color: var(--text-secondary); border: 1px solid var(--border); }
.badge { font-size: 0.72rem; padding: 2px 8px; border-radius: 999px; font-weight: 600; display: inline-flex; align-items: center; gap: 4px; }
.badge.good { background: color-mix(in srgb, var(--good) 18%, transparent); color: var(--good-text); }
.badge.bad { background: color-mix(in srgb, var(--bad) 16%, transparent); color: var(--bad-text); }
.swatch { display: inline-block; width: 10px; height: 10px; border-radius: 3px; flex: none; }
.swatch.line { height: 3px; width: 14px; border-radius: 2px; }
.swatch.dashed { background: repeating-linear-gradient(90deg, var(--benchmark) 0 4px, transparent 4px 7px) !important; }

/* ---------- KPI cards ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; margin-bottom: 16px; }
.card {
  background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px;
  display: flex; flex-direction: column; gap: 6px; cursor: pointer; transition: border-color .15s;
}
.card:hover, .card.selected { border-color: var(--text-muted); }
.card.selected { box-shadow: inset 0 0 0 1px var(--text-muted); }
.card .card-title { display: flex; align-items: center; gap: 8px; font-size: 0.88rem; color: var(--text-secondary); font-weight: 500; }
.card .big { font-size: 1.7rem; font-weight: 650; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.card .meta { display: flex; gap: 14px; font-size: 0.8rem; color: var(--text-muted); font-variant-numeric: tabular-nums; flex-wrap: wrap; }
.card .meta b { color: var(--text-secondary); font-weight: 500; }

/* ---------- charts ---------- */
.chart-wrap { position: relative; }
.chart { width: 100%; height: 340px; }
.chart.short { height: 170px; }
.chart.tall { height: 420px; }
.chart-legend {
  display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: 0.8rem; color: var(--text-secondary);
  margin-bottom: 8px; min-height: 20px; font-variant-numeric: tabular-nums;
}
.chart-legend .item { display: inline-flex; align-items: center; gap: 6px; }
.chart-legend .val { color: var(--text-primary); font-weight: 500; }
.chart-legend .date { color: var(--text-muted); }
.chart-note { font-size: 0.78rem; color: var(--text-muted); margin-top: 6px; }

/* ---------- tables ---------- */
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 0 -16px; padding: 0 16px; }
table { width: 100%; border-collapse: collapse; font-size: 0.86rem; }
th, td { padding: 8px 10px; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { font-weight: 500; color: var(--text-muted); font-size: 0.78rem; position: sticky; top: 0; background: var(--surface-1); }
th.sortable { cursor: pointer; user-select: none; }
th.sortable:hover { color: var(--text-primary); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tr.clickable { cursor: pointer; }
tr.clickable:hover td { background: var(--surface-2); }
tr.benchmark td { color: var(--text-secondary); }
.name-cell { display: flex; align-items: center; gap: 8px; }
.pager { display: flex; align-items: center; justify-content: flex-end; gap: 8px; margin-top: 10px; font-size: 0.82rem; color: var(--text-muted); }

/* scenarios heat grid */
.heat td.cell { text-align: right; font-variant-numeric: tabular-nums; font-weight: 500; border: 2px solid var(--surface-1); border-radius: 6px; }
.heat-legend { display: flex; align-items: center; gap: 8px; font-size: 0.76rem; color: var(--text-muted); margin-top: 10px; }
.heat-legend .bar { width: 140px; height: 8px; border-radius: 4px; background: linear-gradient(90deg, var(--div-neg), var(--div-mid), var(--div-pos)); }

/* cost bars */
.costbars { display: grid; gap: 8px; }
.costbar { display: grid; grid-template-columns: 150px 1fr 90px; align-items: center; gap: 10px; font-size: 0.85rem; }
.costbar .track { position: relative; height: 14px; }
.costbar .zero { position: absolute; top: -3px; bottom: -3px; width: 1px; background: var(--text-muted); }
.costbar .fill { position: absolute; top: 0; bottom: 0; border-radius: 4px; }
.costbar .v { text-align: right; font-variant-numeric: tabular-nums; }
@media (max-width: 560px) { .costbar { grid-template-columns: 110px 1fr 80px; font-size: 0.8rem; } }

.split-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.split-card { background: var(--surface-2); border-radius: 8px; padding: 10px 12px; font-size: 0.84rem; }
.split-card .t { color: var(--text-muted); font-size: 0.76rem; margin-bottom: 4px; }
.split-card .r { font-size: 1.15rem; font-weight: 600; font-variant-numeric: tabular-nums; }

.strategy-tabs { display: flex; gap: 6px; flex-wrap: wrap; }
.strategy-tabs button {
  appearance: none; display: inline-flex; align-items: center; gap: 7px; border: 1px solid var(--border);
  background: transparent; color: var(--text-secondary); padding: 6px 12px; border-radius: 999px; font: inherit; font-size: 0.86rem; cursor: pointer;
}
.strategy-tabs button.on { background: var(--surface-2); color: var(--text-primary); border-color: var(--text-muted); }
.doc { color: var(--text-secondary); font-size: 0.88rem; margin: 0 0 14px; max-width: 75ch; }

.empty { text-align: center; padding: 48px 16px; color: var(--text-secondary); }
.empty p { max-width: 46ch; margin: 8px auto 18px; }

/* ---------- login ---------- */
.login-page { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card { width: 100%; max-width: 340px; display: flex; flex-direction: column; gap: 10px; background: var(--surface-1); border: 1px solid var(--border); border-radius: 14px; padding: 24px; }
.login-card .brand { margin-bottom: 10px; font-size: 1.2rem; }
.login-card label { font-size: 0.85rem; color: var(--text-secondary); }
.login-card .btn { margin-top: 6px; padding: 10px; }

@media (max-width: 560px) {
  .nav a { padding: 6px 9px; }
  .topbar { gap: 8px; }
  .cards { grid-template-columns: 1fr 1fr; gap: 8px; }
  .card { padding: 11px; }
  .card .big { font-size: 1.3rem; }
  .card .meta { gap: 4px 10px; font-size: 0.74rem; }
  .chart { height: 280px; }
  .split-cards { grid-template-columns: 1fr; }
}

/* ---------- live page ---------- */
.card.static { cursor: default; }
.card.static:hover { border-color: var(--border); }
.big .unit { font-size: 0.9rem; font-weight: 500; color: var(--text-muted); margin-left: 2px; }
.notice { padding: 12px 16px; }
code { background: var(--surface-2); padding: 1px 6px; border-radius: 5px; font-size: 0.85em; }
.meter-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.meter-big { font-size: 1.6rem; font-weight: 650; letter-spacing: -0.02em; margin: 2px 0; }
.positions { display: grid; grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); gap: 12px; }
.pos-card { background: var(--surface-2); border-radius: 10px; padding: 14px; display: flex; flex-direction: column; gap: 10px; }
.pos-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; font-size: 1rem; }
.side { font-size: 0.78rem; font-weight: 600; padding: 2px 8px; border-radius: 999px; }
.side.long { color: var(--series-1); background: color-mix(in srgb, var(--series-1) 16%, transparent); }
.side.short { color: var(--series-2); background: color-mix(in srgb, var(--series-2) 16%, transparent); }
.pos-pnl .big { font-size: 1.6rem; font-weight: 650; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; margin-right: 6px; }
.pos-pnl { font-variant-numeric: tabular-nums; }
.pos-rows { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 16px; font-size: 0.84rem; }
.pos-rows div { display: flex; flex-direction: column; }
.pos-rows span { color: var(--text-muted); font-size: 0.74rem; }
.pos-rows b { font-weight: 500; font-variant-numeric: tabular-nums; }
@media (max-width: 700px) {
  .meter-grid { grid-template-columns: 1fr; gap: 12px; }
  .positions { grid-template-columns: 1fr; }
}
.px { border-radius: 4px; padding: 0 2px; margin: 0 -2px; }
.flash-up { animation: flashUp 0.8s ease-out; }
.flash-down { animation: flashDown 0.8s ease-out; }
@keyframes flashUp { from { background: color-mix(in srgb, var(--good) 35%, transparent); } to { background: transparent; } }
@keyframes flashDown { from { background: color-mix(in srgb, var(--bad) 35%, transparent); } to { background: transparent; } }
#kpiUnreal.big, #kpiAcct { font-size: inherit; font-weight: inherit; }
.learn { padding: 12px 16px; }
.learn-row { display: flex; gap: 8px; flex-wrap: wrap; }
.chart-legend .toggle input { width: 15px; height: 15px; }
@media (max-width: 560px) {
  .topbar { gap: 4px; padding: 10px 10px; }
  .brand { font-size: 0; gap: 0; }            /* keep just the K mark on phones */
  .nav { margin-left: 2px; gap: 0; }
  .nav a { padding: 6px 7px; font-size: 0.84rem; }
  .topbar .logout { font-size: 0.78rem; }
}
/* optimizer grid */
.mode-seg button { padding: 7px 12px; font-size: 0.86rem; }
.checks.inline { display: flex; flex-wrap: wrap; gap: 4px 12px; margin-top: 6px; }
.hm-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table.hm { border-collapse: separate; border-spacing: 2px; width: auto; }
table.hm td.hm-c { min-width: 46px; height: 30px; padding: 2px 4px; text-align: center; font-size: 0.74rem; font-variant-numeric: tabular-nums; border: 0; border-radius: 4px; cursor: pointer; white-space: nowrap; }
table.hm td.hm-c.best { outline: 2px solid var(--text-primary); outline-offset: -2px; font-weight: 700; }
table.hm td.hm-c.nofilter { border-top: 0; }
table.hm tr:nth-last-child(2) td.hm-c { box-shadow: inset 0 3px 0 var(--surface-1); }
table.hm th { border: 0; background: none; position: static; padding: 2px 6px; font-size: 0.74rem; }
table.hm th.hm-y { text-align: right; white-space: nowrap; }
table.hm th.hm-x { text-align: center; }
tr.phase-row td { background: color-mix(in srgb, var(--surface-2) 50%, transparent); }