:root {
  --paper: #f3f3f8;
  --surface: #ffffff;
  --ink: #1d1a3b;
  --ink-2: #4a476b;
  --ink-3: #7a7897;
  --line: #dddbea;
  --line-2: #eceaf4;
  --violet: #4b3bc4;
  --violet-d: #382c9c;
  --violet-l: #e9e6fb;
  --hl: #ddf45b;
  --coral: #d8473f;
  --coral-l: #fbe6e4;
  --teal: #17806f;
  --teal-l: #dff2ee;
  --amber: #b97a12;
  --amber-l: #fbefd6;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --rail: 232px;
  --radius: 10px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 15px/1.5 var(--sans); }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: var(--violet); }
h1, h2, h3, h4 { margin: 0; font-weight: 600; }
p { margin: 0; }
:focus-visible { outline: 2px solid var(--violet); outline-offset: 2px; border-radius: 4px; }
.num { font-variant-numeric: tabular-nums; }
.muted { color: var(--ink-3); }
.small { font-size: 13px; }
.serif { font-family: var(--serif); }

/* ---------- shell ---------- */
.shell { display: grid; grid-template-columns: var(--rail) minmax(0, 1fr); min-height: 100vh; }
.rail { background: var(--ink); color: #e9e7f7; padding: 22px 14px; display: flex; flex-direction: column; gap: 22px; position: sticky; top: 0; height: 100vh; }
.brand { display: flex; align-items: center; gap: 10px; padding: 0 8px; }
.brand svg { flex: none; }
.brand b { font: 600 19px var(--serif); letter-spacing: .1px; }
.brand small { display: block; font-size: 11.5px; color: #a9a6cc; margin-top: -2px; }
.nav { display: flex; flex-direction: column; gap: 2px; }
.nav a { display: flex; align-items: center; gap: 11px; padding: 9px 10px; border-radius: 8px; color: #cfcdea; text-decoration: none; font-size: 14.5px; }
.nav a svg { width: 18px; height: 18px; flex: none; opacity: .85; }
.nav a:hover { background: rgba(255,255,255,.07); }
.nav a[aria-current="page"] { background: rgba(255,255,255,.12); color: #fff; }
.nav .badge { margin-left: auto; background: var(--hl); color: var(--ink); border-radius: 999px; font-size: 12px; font-weight: 700; padding: 0 7px; min-width: 20px; text-align: center; }
.rail .foot { margin-top: auto; display: flex; flex-direction: column; gap: 12px; }
.rail .who { padding: 10px; border-radius: 8px; background: rgba(255,255,255,.07); font-size: 13.5px; }
.rail .who b { display: block; font-weight: 600; }
.rail .who span { color: #a9a6cc; font-size: 12.5px; }
.rail .btn-ghost { color: #cfcdea; border-color: rgba(255,255,255,.2); }
.rail .demo { font-size: 12px; color: #a9a6cc; padding: 0 8px; line-height: 1.4; }

.main { min-width: 0; }
.top { display: flex; align-items: center; gap: 16px; padding: 18px 32px; border-bottom: 1px solid var(--line); background: var(--paper); position: sticky; top: 0; z-index: 5; }
.top h1 { font: 600 26px/1.15 var(--serif); }
.top .grow { flex: 1; }
.asof { font-size: 12.5px; color: var(--ink-2); background: var(--surface); border: 1px solid var(--line); padding: 3px 10px; border-radius: 999px; white-space: nowrap; }
.search { position: relative; }
.search input { width: 250px; padding: 8px 12px 8px 34px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); }
.search svg { position: absolute; left: 11px; top: 9px; width: 16px; height: 16px; color: var(--ink-3); }
.search ul { position: absolute; top: 40px; left: 0; right: 0; background: var(--surface); border: 1px solid var(--line); border-radius: 10px; margin: 0; padding: 4px; list-style: none; box-shadow: 0 12px 30px rgba(29,26,59,.15); z-index: 20; }
.search li button { width: 100%; text-align: left; background: none; border: 0; padding: 7px 9px; border-radius: 6px; cursor: pointer; }
.search li button:hover, .search li button:focus-visible { background: var(--violet-l); }
.view { padding: 26px 32px 80px; max-width: 1280px; }

/* ---------- buttons, chips ---------- */
.btn { display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--violet); background: var(--violet); color: #fff; padding: 8px 15px; border-radius: 8px; cursor: pointer; font-weight: 600; font-size: 14px; text-decoration: none; }
.btn:hover { background: var(--violet-d); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-ghost { background: transparent; color: var(--violet); }
.btn-ghost:hover { background: var(--violet-l); }
.btn-quiet { background: transparent; border-color: var(--line); color: var(--ink); }
.btn-quiet:hover { background: var(--line-2); }
.btn-danger { background: var(--surface); color: var(--coral); border-color: var(--coral); }
.btn-danger:hover { background: var(--coral-l); }
.btn-sm { padding: 5px 10px; font-size: 13px; }
.chip { display: inline-flex; align-items: center; gap: 5px; padding: 1px 9px; border-radius: 999px; font-size: 12.5px; font-weight: 600; border: 1px solid var(--line); background: var(--surface); color: var(--ink-2); white-space: nowrap; }
.chip.p1 { background: var(--violet); border-color: var(--violet); color: #fff; }
.chip.p2 { border-color: var(--violet); color: var(--violet); background: var(--violet-l); }
.chip.ok { background: var(--teal-l); border-color: transparent; color: var(--teal); }
.chip.bad { background: var(--coral-l); border-color: transparent; color: var(--coral); }
.chip.warn { background: var(--amber-l); border-color: transparent; color: var(--amber); }
.chip.ai { background: var(--hl); border-color: transparent; color: var(--ink); }

/* ---------- typography blocks ---------- */
.lede { font: 400 24px/1.3 var(--serif); max-width: 34ch; }
.mark { background: linear-gradient(transparent 58%, var(--hl) 58%, var(--hl) 94%, transparent 94%); padding: 0 .12em; -webkit-box-decoration-break: clone; box-decoration-break: clone; }
.sec { margin-top: 38px; }
.sec:first-child { margin-top: 0; }
.sec > header { display: flex; align-items: baseline; gap: 12px; padding-bottom: 8px; margin-bottom: 14px; border-bottom: 1px solid var(--line); }
.sec > header h2 { font: 600 19px var(--serif); }
.sec > header p { color: var(--ink-3); font-size: 13.5px; }
.sec > header .grow { flex: 1; }
.two { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr); gap: 36px; }
.three { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; }
.stack > * + * { margin-top: 14px; }

/* stat strip */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin-top: 22px; }
.stat { padding: 16px 18px 14px; border-left: 1px solid var(--line); }
.stat:first-child { border-left: 0; padding-left: 0; }
.stat b { display: block; font: 600 34px/1.05 var(--serif); font-variant-numeric: tabular-nums; }
.stat span { font-size: 13px; color: var(--ink-2); }
.stat small { display: block; font-size: 12px; color: var(--ink-3); margin-top: 2px; }

/* ---------- tables ---------- */
.tbl { width: 100%; border-collapse: collapse; font-size: 14px; }
.tbl th { text-align: left; font-weight: 600; font-size: 12.5px; color: var(--ink-3); padding: 7px 10px; border-bottom: 1px solid var(--line); white-space: nowrap; }
.tbl td { padding: 10px; border-bottom: 1px solid var(--line-2); vertical-align: middle; }
.tbl tr.click { cursor: pointer; }
.tbl tr.click:hover td { background: #fafaff; }
.tbl .r { text-align: right; }
.tbl .who b { font: 600 15.5px var(--serif); display: block; }
.tbl .who span { color: var(--ink-3); font-size: 12.5px; }
.scroll { overflow-x: auto; }
.bar { display: inline-block; vertical-align: middle; width: 90px; height: 8px; background: var(--line-2); border-radius: 99px; overflow: hidden; }
.bar i { display: block; height: 100%; background: var(--violet); border-radius: 99px; }
.bar.coral i { background: var(--coral); }
.bar.teal i { background: var(--teal); }
.bar.amber i { background: var(--amber); }

/* meter rows */
.meter { display: grid; grid-template-columns: 1fr auto; gap: 2px 10px; align-items: end; }
.meter .lab { font-size: 13.5px; color: var(--ink-2); }
.meter .val { font: 600 20px var(--serif); font-variant-numeric: tabular-nums; }
.meter .track { grid-column: 1 / -1; height: 7px; background: var(--line-2); border-radius: 99px; overflow: hidden; }
.meter .track i { display: block; height: 100%; background: var(--violet); border-radius: 99px; }
.meter.coral .track i { background: var(--coral); }
.meter.amber .track i { background: var(--amber); }
.meter.teal .track i { background: var(--teal); }
.meter .note { grid-column: 1 / -1; font-size: 12.5px; color: var(--ink-3); }

/* ---------- recommendation panel ---------- */
.reco { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 24px; }
.reco .act { font: 600 30px/1.2 var(--serif); }
.reco .meta { display: flex; flex-wrap: wrap; gap: 6px 18px; margin: 10px 0 12px; color: var(--ink-2); font-size: 14px; }
.reco .why { max-width: 70ch; color: var(--ink-2); }
.reco .btns { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.reco.alert { border-color: var(--coral); }
.alts { margin-top: 16px; padding-top: 12px; border-top: 1px solid var(--line-2); font-size: 13.5px; color: var(--ink-2); }
.alts li { margin: 3px 0; }
.alts ul { margin: 4px 0 0; padding-left: 18px; }

.ai-box { border-left: 3px solid var(--hl); background: var(--surface); padding: 12px 16px; border-radius: 0 8px 8px 0; max-width: 72ch; }
.ai-box p { margin-top: 6px; }

/* ---------- misc blocks ---------- */
.week { display: flex; gap: 4px; }
.week span { flex: 1; text-align: center; font-size: 12.5px; padding: 6px 0; border-radius: 6px; background: var(--line-2); color: var(--ink-3); }
.week span.on { background: var(--hl); color: var(--ink); font-weight: 700; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.timeline { list-style: none; margin: 0; padding: 0; }
.timeline li { display: grid; grid-template-columns: 100px 78px 1fr; gap: 10px; padding: 7px 0; border-bottom: 1px solid var(--line-2); font-size: 14px; }
.timeline .d { color: var(--ink-3); font-size: 13px; }
.timeline .c { font-weight: 600; }
.timeline .t small { display: block; color: var(--ink-3); font-size: 12.5px; }
.note-item { padding: 8px 0; border-bottom: 1px solid var(--line-2); font-size: 14px; }
.note-item small { display: block; color: var(--ink-3); font-size: 12.5px; }
.flag { color: var(--coral); font-size: 13px; }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 4px 14px; font-size: 14px; }
.kv dt { color: var(--ink-3); }
.kv dd { margin: 0; }
.empty { padding: 34px 0; color: var(--ink-3); }
.empty b { display: block; color: var(--ink); font: 600 18px var(--serif); margin-bottom: 4px; }
.err { background: var(--coral-l); color: var(--coral); border-radius: 8px; padding: 10px 14px; margin-bottom: 14px; }

/* filter bar */
.filters { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 14px; }
.filters input, .filters select, .field input, .field textarea, .field select { border: 1px solid var(--line); background: var(--surface); padding: 7px 11px; border-radius: 8px; }
.filters input[type=search] { min-width: 220px; }
.pager { display: flex; align-items: center; gap: 10px; margin-top: 14px; color: var(--ink-2); font-size: 14px; }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 16px; }
.tabs button { background: none; border: 0; padding: 8px 14px; cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px; color: var(--ink-2); font-weight: 600; }
.tabs button[aria-selected="true"] { color: var(--violet); border-bottom-color: var(--violet); }

/* day plan */
.day-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.day-tabs button { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 8px 14px; cursor: pointer; text-align: left; }
.day-tabs button b { display: block; font: 600 16px var(--serif); }
.day-tabs button span { font-size: 12.5px; color: var(--ink-3); }
.day-tabs button[aria-selected="true"] { border-color: var(--violet); background: var(--violet-l); }
.visit { display: grid; grid-template-columns: 70px minmax(0, 1fr) auto; gap: 14px; padding: 13px 0; border-bottom: 1px solid var(--line-2); align-items: start; cursor: pointer; }
.visit:hover { background: #fafaff; }
.visit .time { font: 600 22px var(--serif); font-variant-numeric: tabular-nums; }
.visit .who b { font: 600 17px var(--serif); }
.visit .goal { margin-top: 3px; }

/* messages (approvals) */
.msg { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; margin-bottom: 14px; max-width: 820px; }
.msg header { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 8px; }
.msg pre { white-space: pre-wrap; font: 14.5px/1.55 var(--sans); background: var(--paper); padding: 12px 14px; border-radius: 8px; margin: 8px 0; }
.msg .btns { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.msg .guard { font-size: 13px; color: var(--ink-2); }

/* heatmap */
.heat { border-collapse: separate; border-spacing: 2px; font-size: 13px; }
.heat th { font-weight: 600; font-size: 12.5px; color: var(--ink-3); padding: 4px 6px; text-align: left; }
.heat td { padding: 7px 10px; text-align: center; border-radius: 4px; font-variant-numeric: tabular-nums; min-width: 74px; }
.heat td.lab { text-align: left; font-weight: 600; background: none; padding-left: 0; white-space: nowrap; }

/* charts */
.chart text { font: 12px var(--sans); fill: var(--ink-3); }
.chart .lab { font-weight: 600; }
.legend { display: flex; gap: 16px; flex-wrap: wrap; font-size: 13px; color: var(--ink-2); margin-top: 6px; }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }
.donut-wrap { display: flex; gap: 24px; align-items: center; flex-wrap: wrap; }
.donut-wrap ul { list-style: none; margin: 0; padding: 0; font-size: 14px; }
.donut-wrap li { display: flex; gap: 8px; align-items: center; padding: 3px 0; }
.donut-wrap li i { width: 10px; height: 10px; border-radius: 3px; flex: none; }
.donut-wrap li b { margin-left: auto; padding-left: 14px; font-variant-numeric: tabular-nums; }
.hbar { display: grid; grid-template-columns: 150px 1fr 54px; gap: 10px; align-items: center; padding: 4px 0; font-size: 14px; }
.hbar .track { height: 12px; background: var(--line-2); border-radius: 3px; overflow: hidden; }
.hbar .track i { display: block; height: 100%; background: var(--violet); }
.hbar .v { text-align: right; font-variant-numeric: tabular-nums; color: var(--ink-2); }

/* ---------- copilot drawer ---------- */
.fab { position: fixed; right: 22px; bottom: 22px; z-index: 30; box-shadow: 0 10px 28px rgba(75,59,196,.35); padding: 11px 18px; border-radius: 999px; }
.drawer { position: fixed; top: 0; right: 0; bottom: 0; width: min(430px, 100vw); background: var(--surface); border-left: 1px solid var(--line); z-index: 40; display: flex; flex-direction: column; transform: translateX(102%); transition: transform .22s ease; box-shadow: -18px 0 40px rgba(29,26,59,.12); }
.drawer.open { transform: none; }
.drawer header { padding: 16px 18px; border-bottom: 1px solid var(--line); display: flex; align-items: center; gap: 10px; }
.drawer header h2 { font: 600 19px var(--serif); flex: 1; }
.drawer .log { flex: 1; overflow-y: auto; padding: 16px 18px; display: flex; flex-direction: column; gap: 14px; }
.bubble { max-width: 92%; padding: 10px 13px; border-radius: 12px; font-size: 14.5px; white-space: pre-wrap; }
.bubble.me { align-self: flex-end; background: var(--violet); color: #fff; border-bottom-right-radius: 3px; }
.bubble.bot { align-self: flex-start; background: var(--paper); border-bottom-left-radius: 3px; }
.bubble small { display: block; margin-top: 6px; color: var(--ink-3); font-size: 12px; white-space: normal; }
.bubble .src a { margin-right: 8px; }
.bubble .choices { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; white-space: normal; }
.bubble small.plan { color: var(--violet); }
.drawer form { padding: 12px 18px 16px; border-top: 1px solid var(--line); display: flex; gap: 8px; flex-wrap: wrap; }
.drawer form input { flex: 1; min-width: 0; border: 1px solid var(--line); border-radius: 8px; padding: 9px 12px; }
.suggest { display: flex; flex-wrap: wrap; gap: 6px; }
.suggest button { background: var(--surface); border: 1px solid var(--line); border-radius: 999px; padding: 4px 11px; cursor: pointer; font-size: 13px; color: var(--ink-2); }
.suggest button:hover { background: var(--violet-l); }

/* toast */
.toast { position: fixed; left: 50%; bottom: 26px; transform: translateX(-50%); background: var(--ink); color: #fff; padding: 10px 18px; border-radius: 10px; z-index: 60; font-size: 14px; max-width: 90vw; }

/* login */
.login { min-height: 100vh; display: grid; grid-template-columns: 1.1fr 1fr; }
.login .left { background: var(--ink); color: #fff; padding: 56px 56px 40px; display: flex; flex-direction: column; justify-content: space-between; }
.login .left h1 { font: 500 44px/1.12 var(--serif); max-width: 14ch; }
.login .left p { color: #b9b6d8; max-width: 44ch; margin-top: 16px; font-size: 16px; }
.login .right { display: flex; align-items: center; justify-content: center; padding: 32px; }
.login form { width: min(360px, 100%); display: flex; flex-direction: column; gap: 14px; }
.login form h2 { font: 600 26px var(--serif); }
.field { display: flex; flex-direction: column; gap: 5px; }
.field label { font-size: 13.5px; color: var(--ink-2); font-weight: 600; }
.demo-users { display: flex; gap: 6px; flex-wrap: wrap; font-size: 13px; color: var(--ink-3); align-items: center; }
.demo-users button { border: 1px solid var(--line); background: var(--surface); border-radius: 999px; padding: 2px 10px; cursor: pointer; }

/* ---------- responsive ---------- */
@media (max-width: 1000px) {
  .two, .three { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .login { grid-template-columns: 1fr; }
  .login .left { padding: 32px 24px; }
  .login .left h1 { font-size: 32px; }
}
@media (max-width: 800px) {
  .shell { grid-template-columns: minmax(0, 1fr); }
  .rail { position: fixed; bottom: 0; top: auto; height: auto; width: 100%; flex-direction: row; padding: 6px 8px; z-index: 25; gap: 0; overflow-x: auto; }
  .rail .brand, .rail .foot .demo, .rail .who { display: none; }
  .rail .foot { margin: 0; flex-direction: row; }
  .nav { flex-direction: row; }
  .nav a { flex-direction: column; gap: 2px; font-size: 11.5px; padding: 6px 10px; white-space: nowrap; }
  .top { padding: 12px 16px; flex-wrap: wrap; position: static; }
  .top h1 { font-size: 21px; }
  .search input { width: 100%; }
  .search { flex: 1 1 100%; order: 5; }
  .view { padding: 18px 16px 120px; }
  .fab { bottom: 78px; right: 14px; }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat, .stat:first-child { border-left: 0; padding: 12px 8px 10px 0; border-top: 1px solid var(--line-2); }
  .stats { border-top: 0; }
  .stat b { font-size: 28px; }
  .visit { grid-template-columns: 56px minmax(0, 1fr); }
  .visit > :last-child { grid-column: 2; }
  .timeline li { grid-template-columns: 70px 1fr; }
  .timeline .c { display: none; }
  .hbar { grid-template-columns: 110px 1fr 46px; }
}
@media (prefers-reduced-motion: reduce) { .drawer { transition: none; } }