:root {
  --bg: #f4f6f9; --card: #ffffff; --ink: #141a23; --muted: #5a6575; --line: #e2e6ec; --soft: #eef1f6;
  --accent: #2c6bed; --accent-soft: #dbe6fd; --teal: #138f8f; --violet: #7a5bc7;
  --good: #1b8a5a; --good-soft: #def3e8; --warn: #b96e00; --warn-soft: #fbecd2; --bad: #c0392b; --bad-soft: #f8dcd8;
  --shadow: 0 1px 2px rgba(20, 26, 35, .05), 0 4px 14px rgba(20, 26, 35, .04);
  --floor: #fbfcfe; --grid: #edf0f5;
  --side-w: 236px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0e1218; --card: #161b23; --ink: #e8ecf2; --muted: #98a3b3; --line: #262e3a; --soft: #1d2430;
    --accent: #6c9cff; --accent-soft: #1d2c4d; --teal: #3cc4c4; --violet: #a58ae8;
    --good: #4bc08a; --good-soft: #143023; --warn: #e5a23c; --warn-soft: #3a2c10; --bad: #ef7a6c; --bad-soft: #3b1b17;
    --shadow: 0 1px 2px rgba(0,0,0,.4); --floor: #11161d; --grid: #1a212b;
  }
}
:root[data-theme="dark"] {
  --bg: #0e1218; --card: #161b23; --ink: #e8ecf2; --muted: #98a3b3; --line: #262e3a; --soft: #1d2430;
  --accent: #6c9cff; --accent-soft: #1d2c4d; --teal: #3cc4c4; --violet: #a58ae8;
  --good: #4bc08a; --good-soft: #143023; --warn: #e5a23c; --warn-soft: #3a2c10; --bad: #ef7a6c; --bad-soft: #3b1b17;
  --shadow: 0 1px 2px rgba(0,0,0,.4); --floor: #11161d; --grid: #1a212b;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink);
  font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
h2 { font-size: 15px; margin: 0; font-weight: 650; }
.sub { color: var(--muted); font-size: 12.5px; }
.muted { color: var(--muted); }
select { background: var(--card); color: var(--ink); border: 1px solid var(--line); border-radius: 8px; padding: 6px 10px; font: inherit; max-width: 100%; min-width: 0; }

/* ================================================================== app shell: sidebar + main column */
.app { display: grid; grid-template-columns: var(--side-w) minmax(0, 1fr); min-height: 100vh; transition: grid-template-columns .18s ease; }
.app.boot, .app.boot .side { transition: none !important; }
.col { min-width: 0; container-type: inline-size; container-name: col; }

/* ---- sidebar */
.side { position: sticky; top: 0; height: 100vh; overflow-x: hidden; overflow-y: auto; background: var(--card);
  border-right: 1px solid var(--line); display: flex; flex-direction: column; gap: 14px; padding: 14px; }
.side-h { display: flex; align-items: center; justify-content: space-between; gap: 8px; min-height: 32px; }
.brand { display: flex; align-items: center; gap: 10px; font-size: 16px; min-width: 0; }
.logo { width: 18px; height: 18px; border-radius: 50%; border: 3px solid var(--accent); position: relative; display: inline-block; flex: none; }
.logo::after { content: ""; position: absolute; inset: 3px; border-radius: 50%; background: var(--accent); }
.icon-btn { width: 32px; height: 32px; display: inline-grid; place-items: center; padding: 0; flex: none; cursor: pointer;
  border: 1px solid var(--line); background: var(--card); color: var(--muted); border-radius: 8px; }
.icon-btn:hover { color: var(--ink); border-color: var(--accent); }
.icon-btn svg { transition: transform .18s ease; }
.brand { color: inherit; text-decoration: none; border-radius: 8px; }
.brand:hover .brand-t { color: var(--accent); }
.nav { display: grid; gap: 4px; margin-top: 4px; }
.nav-item { display: flex; align-items: center; gap: 12px; padding: 9px 11px; border-radius: 10px; color: var(--muted);
  text-decoration: none; font-weight: 560; white-space: nowrap; }
.nav-item svg { width: 20px; height: 20px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.nav-item:hover { background: var(--soft); color: var(--ink); }
.nav-item[aria-current="page"] { background: var(--accent-soft); color: var(--accent); }
.side-foot { margin-top: auto; display: flex; align-items: center; gap: 8px; color: var(--good); font-size: 12px; padding-top: 6px; }
.shield { width: 9px; height: 9px; border-radius: 50%; background: var(--good); flex: none; box-shadow: 0 0 0 3px var(--good-soft); }
.scrim { display: none; }

/* ---- header: store, period, tabs */
.head { position: sticky; top: 0; z-index: 5; padding: 0 24px; background: color-mix(in srgb, var(--bg) 90%, transparent);
  backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.topbar { display: flex; align-items: center; gap: 12px; padding: 12px 0; }
.page-title { margin: 0; font-size: 18px; font-weight: 680; letter-spacing: -.01em; white-space: nowrap; }
.menu-btn { display: none; }
.store-id { display: flex; align-items: center; gap: 10px; min-width: 0; flex: 1; flex-wrap: wrap; }
.store-name { color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.demo-chip { font-size: 12px; color: var(--warn); background: var(--warn-soft); padding: 3px 9px; border-radius: 99px; white-space: nowrap; }
.demo-chip[hidden] { display: none; }
.cta { background: var(--accent); color: #fff; text-decoration: none; font-weight: 600; font-size: 13px; padding: 6px 12px; border-radius: 8px; white-space: nowrap; }
.cta:hover { filter: brightness(1.08); }
.cta[hidden] { display: none; }
.privacy-chip { font-size: 12px; color: var(--good); background: var(--good-soft); padding: 3px 9px; border-radius: 99px; white-space: nowrap; }
.controls { display: flex; align-items: center; gap: 8px; color: var(--muted); min-width: 0; }
/* ---- panes */
main { padding: 18px 24px 40px; }
.pane { display: grid; gap: 16px; max-width: 1280px; margin: 0 auto; }
.pane[hidden] { display: none; }
.pane:focus { outline: none; }
.grid-wide { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: 16px; align-items: start; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow); padding: 16px 18px; min-width: 0; }
.card-h { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
.more { font-size: 12.5px; color: var(--accent); text-decoration: none; white-space: nowrap; }
.more:hover { text-decoration: underline; }
.kpis { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.kpi { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 15px 17px; box-shadow: var(--shadow); min-width: 0; }
.kpi .l { color: var(--muted); font-size: 12.5px; }
.kpi .v { font-size: 32px; font-weight: 680; letter-spacing: -.02em; margin-top: 2px; font-variant-numeric: tabular-nums; white-space: nowrap; line-height: 1.15; }
.kpi .s { color: var(--muted); font-size: 12px; margin-top: 3px; }

/* ---- floor plan */
.seg { display: inline-flex; background: var(--soft); border-radius: 9px; padding: 2px; }
.seg button { border: 0; background: transparent; color: var(--muted); padding: 5px 10px; border-radius: 7px; font: inherit; font-size: 12.5px; cursor: pointer; }
.seg button.on { background: var(--card); color: var(--ink); box-shadow: var(--shadow); }
.canvas-wrap { position: relative; }
.floor { width: 100%; display: block; border-radius: 10px; border: 1px solid var(--line); background: var(--floor); cursor: pointer; }
.tip { position: absolute; pointer-events: none; background: var(--ink); color: var(--card); padding: 7px 10px; border-radius: 8px;
  font-size: 12px; line-height: 1.4; max-width: 230px; box-shadow: 0 6px 20px rgba(0,0,0,.25); z-index: 3; }
.tip b { display: block; margin-bottom: 2px; }
.legend { display: flex; align-items: center; gap: 10px; margin-top: 10px; color: var(--muted); font-size: 12px; flex-wrap: wrap; }
.ramp { width: 120px; height: 8px; border-radius: 4px; background: linear-gradient(90deg, rgba(255,244,170,.25), #fdcd64, #f47d3c, #be1e2d); }

/* ---- tables */
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
th { text-align: right; font-weight: 550; color: var(--muted); font-size: 12px; padding: 4px 8px; border-bottom: 1px solid var(--line); white-space: nowrap; }
th:first-child, td:first-child { text-align: left; }
td { text-align: right; padding: 8px; border-bottom: 1px solid var(--line); white-space: nowrap; }
tr.zrow { cursor: pointer; }
tr.zrow:hover td { background: var(--soft); }
tr.zrow.sel td { background: var(--accent-soft); }
.bar { display: inline-block; height: 8px; border-radius: 4px; background: var(--accent); vertical-align: middle; margin-right: 6px; min-width: 2px; }
.zname { display: flex; align-items: center; gap: 8px; }
.dot { width: 9px; height: 9px; border-radius: 3px; display: inline-block; flex: none; }
.runs td, .runs th { font-size: 12.5px; padding: 6px 8px; }

/* ---- floor plan tab: zone detail */
.zd-h { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; }
.zd-h h2 { font-size: 17px; }
.zd-h .sub { margin-top: 2px; }
.link-btn { background: none; border: 0; padding: 0; color: var(--accent); font: inherit; font-size: 12.5px; cursor: pointer; white-space: nowrap; }
.link-btn:hover { text-decoration: underline; }
.stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin: 14px 0 4px; }
.stat { background: var(--soft); border-radius: 10px; padding: 9px 11px; min-width: 0; }
.stat .l { color: var(--muted); font-size: 12px; }
.stat .v { font-size: 20px; font-weight: 660; letter-spacing: -.01em; font-variant-numeric: tabular-nums; }
.stat .s { color: var(--muted); font-size: 11.5px; }
.mini-h { margin: 16px 0 4px; font-size: 11px; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.mini-list { list-style: none; margin: 0; padding: 0; }
.mini-list li { display: flex; justify-content: space-between; gap: 10px; padding: 6px 0; border-bottom: 1px solid var(--line); font-size: 13px; }
.mini-list li:last-child { border-bottom: 0; }
.mini-list .n { font-variant-numeric: tabular-nums; color: var(--muted); }
.hint { color: var(--muted); font-size: 13px; margin: 8px 0 0; }

/* ---- insights, compare, quality, flows, definitions */
.insights { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(320px, 100%), 1fr)); gap: 12px; }
.ins { border: 1px solid var(--line); border-left: 4px solid var(--muted); border-radius: 10px; padding: 11px 13px; background: var(--card); }
.ins.result { border-left-color: var(--good); } .ins.opportunity { border-left-color: var(--accent); }
.ins.warning { border-left-color: var(--warn); } .ins.info { border-left-color: var(--muted); }
.ins h3 { margin: 0 0 4px; font-size: 13.5px; }
.ins p { margin: 0; color: var(--muted); font-size: 13px; }
.pill { display: inline-block; font-size: 11px; padding: 1px 8px; border-radius: 99px; background: var(--soft); color: var(--muted); margin-top: 8px; }
.pill.good { background: var(--good-soft); color: var(--good); } .pill.warn { background: var(--warn-soft); color: var(--warn); }
.pill.bad { background: var(--bad-soft); color: var(--bad); }
.empty { color: var(--muted); padding: 18px 4px; }
.cmp-sel { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 13px; flex-wrap: wrap; }
.flow { display: grid; grid-template-columns: 1fr 60px; gap: 8px; align-items: center; padding: 6px 0; border-bottom: 1px solid var(--line); }
.flow .t { font-size: 13px; } .flow .t i { color: var(--muted); font-style: normal; margin: 0 4px; }
.flow .c { text-align: right; font-variant-numeric: tabular-nums; }
.flow .bar { display: block; margin: 4px 0 0; }
.q-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr)); gap: 16px; }
.q-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.q-list li::before { content: "✓ "; color: var(--good); font-weight: 700; }
.q-warn li::before { content: "! "; color: var(--warn); font-weight: 700; }
.defs { display: grid; grid-template-columns: max-content 1fr; gap: 8px 18px; margin: 0; }
.defs dt { font-weight: 600; } .defs dd { margin: 0; color: var(--muted); }
svg text { fill: var(--muted); font-size: 11px; font-family: inherit; }
#series svg { max-width: 100%; height: auto; }  /* stays inside the card for the frame before a resize redraw */

/* ---- live view */
.live-badge { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--muted); border: 1px solid var(--line); border-radius: 99px; padding: 2px 9px; }
.live-badge i { width: 8px; height: 8px; border-radius: 50%; background: #e5484d; display: inline-block; animation: livepulse 1.6s ease-in-out infinite; }
@keyframes livepulse { 50% { opacity: 0.35; } }
.live-grid { display: grid; grid-template-columns: minmax(0, 1.333fr) minmax(0, 1fr); gap: 12px; }
.monitor { margin: 0; background: #0e1114; border: 1px solid #222a31; border-radius: 10px; overflow: hidden; }
.monitor video { display: block; width: 100%; height: auto; background: #0e1114; }
.monitor figcaption { font-size: 12px; color: #9aa4ad; padding: 6px 10px; border-top: 1px solid #222a31; }
.live-ctl { display: flex; align-items: center; gap: 10px; margin-top: 10px; }
.live-ctl input[type=range] { flex: 1; min-width: 0; accent-color: var(--accent); }
.btn { background: var(--card); color: var(--ink); border: 1px solid var(--line); border-radius: 8px; padding: 6px 12px; font: inherit; cursor: pointer; min-width: 68px; }
.btn:hover { border-color: var(--accent); }
.live-note { margin: 8px 0 0; }

@media (prefers-reduced-motion: reduce) {
  .live-badge i { animation: none; }
  .app, .icon-btn svg, .side { transition: none !important; }
}

/* ================================================================== responsive */
/* the main column is what matters here (it shrinks when the sidebar is open), so use container queries */
@container col (max-width: 760px) { .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@container col (max-width: 900px) {
  .grid-wide { grid-template-columns: minmax(0, 1fr); }
  .card table { display: block; overflow-x: auto; white-space: nowrap; }
}
@container col (max-width: 640px) {
  .live-grid { grid-template-columns: minmax(0, 1fr); }
  .defs { grid-template-columns: minmax(0, 1fr); gap: 2px; } .defs dd { margin-bottom: 8px; }
  .privacy-chip { display: none; }
}

/* desktop: sidebar collapses to an icon rail (names show as tooltips) */
@media (min-width: 861px) {
  .app.collapsed { --side-w: 68px; }
  .app.collapsed .side { padding: 14px 8px; }
  .app.collapsed .side-h { flex-direction: column; gap: 12px; }
  .app.collapsed .brand-t, .app.collapsed .nav-t, .app.collapsed .side-foot-t { display: none; }
  .app.collapsed .nav-item { justify-content: center; padding: 11px 0; }
  .app.collapsed .side-foot { justify-content: center; }
  .app.collapsed #sideToggle svg { transform: rotate(180deg); }
}

/* phone / narrow tablet: the sidebar becomes a drawer behind a menu button */
@media (max-width: 860px) {
  .app { grid-template-columns: minmax(0, 1fr); }
  .side { position: fixed; z-index: 30; top: 0; left: 0; bottom: 0; height: auto; width: min(300px, 86vw);
    transform: translateX(-104%); transition: transform .2s ease; }
  .app.drawer-open .side { transform: none; box-shadow: 0 0 40px rgba(0, 0, 0, .35); }
  .app.drawer-open .scrim { display: block; position: fixed; inset: 0; z-index: 25; background: rgba(8, 12, 18, .5); }
  .menu-btn { display: inline-grid; }
  .head, main { padding-left: 16px; padding-right: 16px; }
}
@media (max-width: 600px) {
  .head { position: static; }
  .topbar { flex-wrap: wrap; }
  .controls { flex: 1 1 100%; }
  .controls select { flex: 1 1 auto; }
  main { padding-top: 12px; padding-bottom: 32px; }
  .kpi .v { font-size: 26px; }
  .page-title { font-size: 17px; }
  th, td { padding: 6px 5px; }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}