:root {
  --bg: #f6f7f9; --surface: #ffffff; --text: #1b1f24; --muted: #5f6b7a; --border: #e2e6ea;
  --accent: #2f6fde; --good: #1a7f4b; --bad: #c4372c; --warn: #a96b00;
  --c1: #2f6fde; --c2: #e07b39; --c3: #8a63d2;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111418; --surface: #1a1f25; --text: #e7ebef; --muted: #9aa5b1; --border: #2a313a;
    --accent: #6b9cf0; --good: #4cc38a; --bad: #f07167; --warn: #e3a83a;
    --c1: #6b9cf0; --c2: #f0a06b; --c3: #b399ef;
  }
}
* { box-sizing: border-box; }
body { margin: 0; font: 14px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--text); }
header { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 14px 20px; background: var(--surface); border-bottom: 1px solid var(--border); }
.brand { font-weight: 650; font-size: 16px; }
nav { display: flex; gap: 4px; padding: 8px 16px; overflow-x: auto; background: var(--surface); border-bottom: 1px solid var(--border); }
nav button { background: none; border: 0; padding: 8px 12px; border-radius: 6px; color: var(--muted); cursor: pointer; font: inherit; white-space: nowrap; }
nav button.active { color: var(--text); background: var(--bg); font-weight: 600; }
main { max-width: 1200px; margin: 0 auto; padding: 16px; }
.tab { display: none; } .tab.active { display: block; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 16px; margin-bottom: 16px; }
.card h2 { font-size: 15px; margin: 0 0 12px; }
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; margin-bottom: 16px; }
.kpi { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 14px; }
.kpi .label { color: var(--muted); font-size: 12px; }
.kpi .value { font-size: 22px; font-weight: 650; margin-top: 2px; font-variant-numeric: tabular-nums; }
.kpi .delta { font-size: 12px; }
.up { color: var(--good); } .down { color: var(--bad); }
.chart { position: relative; height: 300px; }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 16px; }
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 500; font-size: 12px; }
td.num, th.num { text-align: right; }
.bar { height: 6px; background: var(--accent); border-radius: 3px; opacity: .7; }
.muted { color: var(--muted); }
.badge { background: var(--bad); color: #fff; border-radius: 10px; padding: 0 6px; font-size: 11px; }
.badge:empty { display: none; }
.finding { border-left: 4px solid var(--border); }
.finding.high { border-left-color: var(--bad); } .finding.medium { border-left-color: var(--warn); } .finding.low { border-left-color: var(--muted); }
.finding .money { float: right; font-weight: 600; color: var(--bad); }
.pill { display: inline-block; padding: 1px 8px; border-radius: 10px; font-size: 12px; border: 1px solid var(--border); }
.pill.promote_b { color: var(--good); border-color: var(--good); }
.pill.keep_a { color: var(--bad); border-color: var(--bad); }
.pill.continue, .pill.collecting { color: var(--warn); border-color: var(--warn); }
.exp-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; margin: 12px 0; }
.exp-stats div { background: var(--bg); padding: 10px; border-radius: 8px; }
.exp-stats b { display: block; font-size: 18px; }
label { display: block; margin: 8px 0; color: var(--muted); font-size: 12px; }
input, textarea, select { width: 100%; padding: 8px; border: 1px solid var(--border); border-radius: 6px; background: var(--bg); color: var(--text); font: inherit; }
header select { width: auto; min-width: 160px; }
textarea { font-family: ui-monospace, monospace; font-size: 13px; }
button[type=submit], #cfg-load, #cfg-save, .btn { background: var(--accent); color: #fff; border: 0; border-radius: 6px; padding: 8px 14px; cursor: pointer; font: inherit; }
.btn.secondary { background: var(--bg); color: var(--text); border: 1px solid var(--border); }
code { background: var(--bg); padding: 1px 4px; border-radius: 4px; }
summary { cursor: pointer; font-weight: 600; }
@media (max-width: 600px) { main { padding: 12px 16px; } header { flex-wrap: wrap; } }
.header-right { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card { width: 100%; max-width: 360px; }
.error { color: var(--bad); min-height: 1.5em; }
[hidden] { display: none !important; }
.grid3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; align-items: end; margin-top: 12px; }
.grid3 > div { margin: 8px 0; }
dialog { border: 0; padding: 0; background: transparent; width: min(400px, calc(100vw - 32px)); }
dialog::backdrop { background: rgba(0, 0, 0, .4); }
dialog .card { margin: 0; }
a.btn { display: inline-block; text-decoration: none; }
pre { background: var(--bg); border: 1px solid var(--border); border-radius: 6px; padding: 10px 12px; overflow-x: auto; font-size: 13px; }
.steps li { margin: 6px 0; }