:root {
  --bg: #f4f5f7; --surface: #ffffff; --ink: #14171f; --muted: #5d6573; --line: #e3e6eb;
  --accent: #0f6e6e; --accent-ink: #ffffff; --accent-soft: #e3f1f0;
  --danger: #b42318; --warn: #b54708; --good: #067647;
  --s0: #0f6e6e; --s1: #c27b2a; --s2: #5b5fc7; --s3: #b8336a; --s4: #4a8f3c; --s5: #7a6a58; --sl: #14171f;
  --radius: 10px; --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .08);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115; --surface: #171a21; --ink: #e8eaee; --muted: #9aa2b1; --line: #2a2f3a;
    --accent: #3fb0a8; --accent-ink: #071413; --accent-soft: #15302e;
    --danger: #f97066; --warn: #fdb022; --good: #47cd89;
    --s0: #3fb0a8; --s1: #e5a04f; --s2: #8f93f0; --s3: #e86b9d; --s4: #7cc46b; --s5: #b8a690; --sl: #e8eaee;
    --shadow: none; color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--ink); font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.6rem; margin: 0 0 .2rem; letter-spacing: -.01em; }
h2 { font-size: 1.05rem; margin: 0; }
h3 { font-size: .95rem; margin: 0 0 .5rem; }
code { font: 12.5px ui-monospace, SFMono-Regular, Menlo, monospace; background: var(--bg); padding: 1px 5px; border-radius: 4px; word-break: break-all; }
.muted { color: var(--muted); } .small { font-size: .85rem; } .mt { margin-top: 1.5rem; }
.warn { color: var(--warn); }

/* top bar */
.topbar { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; gap: 1rem; padding: .6rem 1.25rem; background: var(--surface); border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: .55rem; font-weight: 650; color: var(--ink); }
.brand:hover { text-decoration: none; }
.brand.big { font-size: 1.25rem; margin-bottom: .75rem; }
.mark { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 7px; background: var(--accent); color: var(--accent-ink); font-weight: 800; }
.nav { display: flex; gap: .25rem; flex: 1; overflow-x: auto; }
.nav a { padding: .4rem .75rem; border-radius: 7px; color: var(--muted); white-space: nowrap; }
.nav a:hover { background: var(--bg); text-decoration: none; }
.nav a.on { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.who { display: flex; align-items: center; gap: .6rem; margin: 0; }

.page { max-width: 1240px; margin: 0 auto; padding: 1.5rem 1.25rem 3rem; }
.page-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 1rem; margin-bottom: 1.25rem; flex-wrap: wrap; }
.actions { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; }
.actions form { margin: 0; }

/* cards & grid */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.1rem 1.2rem; box-shadow: var(--shadow); min-width: 0; }
.card-head { display: flex; justify-content: space-between; align-items: baseline; gap: .75rem; margin-bottom: .8rem; }
.card-head.wrap { flex-wrap: wrap; align-items: flex-start; }
.grid { display: grid; gap: 1rem; }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.span2 { grid-column: span 2; }
.empty { text-align: center; padding: 2.5rem 1rem; }
.empty h2 { margin-bottom: .4rem; }

/* KPIs */
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1rem; margin-bottom: 1rem; }
.kpi { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.1rem; display: flex; flex-direction: column; gap: .2rem; box-shadow: var(--shadow); }
.kpi-label { color: var(--muted); font-size: .8rem; }
.kpi-value { font-size: 1.55rem; font-weight: 680; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.kpi-delta { font-size: .8rem; color: var(--muted); }
.kpi-delta.up { color: var(--good); } .kpi-delta.down { color: var(--danger); }

/* tables */
.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.table th { text-align: left; font-weight: 600; color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .03em; border-bottom: 1px solid var(--line); padding: .45rem .5rem; white-space: nowrap; }
.table td { border-bottom: 1px solid var(--line); padding: .5rem; vertical-align: top; }
.table tr:last-child td { border-bottom: 0; }
.table .num { text-align: right; white-space: nowrap; }
.table .total td { font-weight: 650; border-top: 2px solid var(--line); }
.table.small td, .table.small th { font-size: .82rem; padding: .35rem .45rem; }
.table td.detail { max-width: 420px; overflow-wrap: anywhere; color: var(--muted); }
tr.warn td { color: var(--warn); }

/* forms */
.stack { display: flex; flex-direction: column; gap: .8rem; }
label { display: flex; flex-direction: column; gap: .3rem; font-size: .85rem; color: var(--muted); font-weight: 550; }
label.check { flex-direction: row; align-items: center; gap: .4rem; font-weight: 500; color: var(--ink); }
input[type=text], input[type=date], input[type=number], select, textarea {
  font: inherit; color: var(--ink); background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: .5rem .6rem; width: 100%; min-width: 0;
}
textarea { resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: transparent; }
fieldset { border: 1px solid var(--line); border-radius: 8px; padding: .5rem .75rem .7rem; margin: 0; display: flex; flex-wrap: wrap; gap: .3rem 1rem; }
fieldset[hidden] { display: none; }
fieldset.inline { border: 0; padding: 0; }
legend { font-size: .8rem; color: var(--muted); padding: 0 .3rem; }
.row2 { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: .6rem; }
.row2 > label { min-width: 0; }
.row-wrap { display: flex; flex-wrap: wrap; gap: 1rem 1.5rem; align-items: flex-end; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; font: inherit; font-weight: 600; padding: .55rem 1rem; border-radius: 8px; border: 1px solid var(--line); background: var(--surface); color: var(--ink); cursor: pointer; }
.btn:hover { text-decoration: none; border-color: var(--muted); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { filter: brightness(1.08); }
.btn.danger { color: var(--danger); }
.btn.ghost { border-color: transparent; background: transparent; }
.btn.small { padding: .35rem .7rem; font-size: .85rem; }
.btn.wide { width: 100%; }
.btn:disabled { opacity: .6; cursor: progress; }
.link-btn { border: 0; background: none; color: var(--muted); cursor: pointer; font-size: 1.1rem; line-height: 1; padding: 0 .3rem; }
.link-btn:hover { color: var(--danger); }
.inline-save { display: flex; gap: .4rem; margin: 0; }
.inline-save input { width: 150px; padding: .35rem .5rem; }

.alert { background: var(--accent-soft); border-radius: 8px; padding: .7rem .9rem; margin-bottom: 1rem; }
.alert.error { background: color-mix(in srgb, var(--danger) 12%, transparent); color: var(--ink); }
.alert details { margin-top: .4rem; font-size: .85rem; }

/* login */
.login { min-height: 80vh; display: grid; place-items: center; }
.login-card { max-width: 420px; width: 100%; padding: 2rem; }
.login-card .btn { margin: 1rem 0 .5rem; padding: .75rem 1rem; }

.login-card h1 { font-size: 1.2rem; margin: .5rem 0; }
.perm { padding-left: 1.2rem; margin: .5rem 0 1rem; }
.perm li { margin: .35rem 0; }
.consent-actions { justify-content: flex-end; margin-top: 1rem; }

/* reports */
.layout-side { display: grid; grid-template-columns: 320px minmax(0, 1fr); gap: 1rem; align-items: start; }
.links { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: .35rem; font-size: .9rem; }
.links .saved { display: flex; justify-content: space-between; align-items: center; }
.links form { margin: 0; }
.facts { display: grid; grid-template-columns: max-content 1fr; gap: .4rem 1rem; margin: 0 0 1rem; font-size: .9rem; }
.facts dt { color: var(--muted); } .facts dd { margin: 0; overflow-wrap: anywhere; }

/* charts */
.chart { width: 100%; min-height: 220px; margin-bottom: .75rem; }
.chart svg { display: block; overflow: visible; }
.chart .grid { stroke: var(--line); stroke-width: 1; }
.chart .axis { stroke: var(--muted); stroke-width: 1; }
.chart .tick { fill: var(--muted); font-size: 11px; }
.chart rect.s0, .sw.s0 { fill: var(--s0); background: var(--s0); }
.chart rect.s1, .sw.s1 { fill: var(--s1); background: var(--s1); }
.chart rect.s2, .sw.s2 { fill: var(--s2); background: var(--s2); }
.chart rect.s3, .sw.s3 { fill: var(--s3); background: var(--s3); }
.chart rect.s4, .sw.s4 { fill: var(--s4); background: var(--s4); }
.chart rect.s5, .sw.s5 { fill: var(--s5); background: var(--s5); }
.sw.sl { background: var(--sl); }
.chart .line { fill: none; stroke-width: 2.25; }
.chart .line.s0 { stroke: var(--s0); } .chart .line.s1 { stroke: var(--s1); } .chart .line.s2 { stroke: var(--s2); }
.chart .line.s3 { stroke: var(--s3); } .chart .line.s4 { stroke: var(--s4); } .chart .line.s5 { stroke: var(--s5); }
.chart .line.sl { stroke: var(--sl); stroke-dasharray: 5 3; }
.chart .dot { stroke: var(--surface); stroke-width: 1.5; }
.chart .dot.s0 { fill: var(--s0); } .chart .dot.s1 { fill: var(--s1); } .chart .dot.sl { fill: var(--sl); }
.chart rect:hover, .chart .dot:hover { opacity: .8; }
.legend { display: flex; flex-wrap: wrap; gap: .4rem 1rem; font-size: .8rem; color: var(--muted); margin-top: .4rem; }
.legend span { display: inline-flex; align-items: center; gap: .35rem; }
.sw { width: 10px; height: 10px; border-radius: 2px; display: inline-block; }

/* AI */
.chips { display: flex; flex-wrap: wrap; gap: .4rem; }
.chip { font: inherit; font-size: .82rem; border: 1px solid var(--line); background: var(--bg); color: var(--ink); border-radius: 999px; padding: .3rem .75rem; cursor: pointer; }
.chip:hover { border-color: var(--accent); color: var(--accent); }
.answers { display: grid; gap: 1rem; margin-top: 1rem; }
.answers.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.tag { display: inline-block; font-size: .75rem; font-weight: 700; padding: .1rem .5rem; border-radius: 5px; background: var(--accent-soft); color: var(--accent); }
.tag.grok { background: color-mix(in srgb, var(--s2) 15%, transparent); color: var(--s2); }
.md { overflow-wrap: anywhere; }
.md table { border-collapse: collapse; margin: .6rem 0; font-size: .88rem; display: block; overflow-x: auto; }
.md th, .md td { border: 1px solid var(--line); padding: .3rem .5rem; text-align: left; }
.md h1, .md h2, .md h3 { font-size: 1rem; margin: 1rem 0 .4rem; }
.md p { margin: .5rem 0; } .md ul, .md ol { padding-left: 1.3rem; }
.history { display: flex; flex-direction: column; gap: .5rem; }
.history summary { cursor: pointer; }
.history .md { margin-top: .75rem; }

@media (max-width: 900px) {
  .grid.two, .answers.two, .layout-side { grid-template-columns: 1fr; }
  .span2 { grid-column: auto; }
  .who .muted { display: none; }
}
@media (max-width: 520px) {
  .page { padding: 1rem 1rem 2rem; }
  .topbar { padding: .5rem 1rem; gap: .4rem; justify-content: space-between; }
  .nav { order: 3; flex-basis: 100%; }
  .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .6rem; }
  .kpi { padding: .8rem; }
  .row2 { grid-template-columns: 1fr; }
  .kpi-value { font-size: 1.3rem; }
}