/* ============================================================
   Retail Analytics — Wireframe Exploration
   Mid-fi grayscale · dense data-tool / terminal feel
   Tokens are driven by data-* attributes on :root so the
   Tweaks panel can retune font / density / accent / grid.
   ============================================================ */

:root {
  /* grayscale ramp */
  --ink:      #1c1b18;
  --ink-2:    #44423c;
  --muted:    #87847b;
  --faint:    #b4b1a7;
  --line:     #d6d3ca;
  --line-2:   #e6e3da;
  --panel:    #fcfbf8;
  --panel-2:  #f4f2ec;
  --page:     #e9e7e0;
  --fill:     #cfccc2;   /* schematic bar fill */
  --fill-2:   #b7b4aa;   /* darker schematic */
  --fill-weak:#e0ddd4;

  /* single restrained alert accent (retunable) */
  --hi:       #9a5a23;   /* amber */
  --hi-soft:  #f0e6d8;
  --crit:     #9e3b2b;   /* red */
  --crit-soft:#f1ddd6;
  --ok:       #4a6b48;

  --font-ui: "IBM Plex Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-title: "Newsreader", Georgia, "Times New Roman", serif;
  --mono: var(--font-ui);
  --sans: var(--font-ui);
  --font: var(--font-ui);

  /* density-driven spacing */
  --u: 4px;
  --pad: 16px;
  --gap: 12px;
  --fs: 12px;     /* base data size */
  --fs-sm: 10.5px;
  --fs-lg: 13px;
  --radius: 2px;
  --row-h: 30px;
}

:root[data-font="sans"] { --font: var(--sans); }

:root[data-density="compact"] {
  --pad: 11px; --gap: 8px; --fs: 11px; --fs-sm: 10px; --fs-lg: 12px; --row-h: 26px;
}
:root[data-density="comfy"] {
  --pad: 22px; --gap: 18px; --fs: 13px; --fs-sm: 11.5px; --fs-lg: 15px; --row-h: 36px;
}

/* accent retuning */
:root[data-accent="red"]  { --hi: #9e3b2b; --hi-soft: #f1ddd6; }
:root[data-accent="mono"] { --hi: #46443e; --hi-soft: #e4e1d8; --crit: #2a2925; --crit-soft: #ddd9cf; }

:root[data-grid="off"] .chart-grid { display: none; }

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: var(--font);
  font-size: var(--fs);
  color: var(--ink);
  background: var(--page);
  -webkit-font-smoothing: antialiased;
  line-height: 1.45;
}
button { font-family: inherit; color: inherit; }
[hidden] { display: none !important; }

/* ---- type helpers ---- */
.kicker {
  font-size: var(--fs-sm);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
}
.mono-num { font-variant-numeric: tabular-nums; font-family: var(--mono); }
.dim { color: var(--muted); }
.faint { color: var(--faint); }
.up   { color: var(--ok); }
.down { color: var(--crit); }
.hi   { color: var(--hi); }

/* ============================================================
   APP CHROME
   ============================================================ */
.app { max-width: 1680px; margin: 0 auto; padding: 14px; }

.statusbar {
  display: flex; align-items: center; gap: 18px;
  border: 1px solid var(--line);
  background: var(--ink);
  color: #efeee9;
  padding: 8px 14px;
  border-radius: var(--radius) var(--radius) 0 0;
}
.statusbar .brand {
  font-weight: 700; letter-spacing: .12em; font-size: var(--fs-lg);
  display: flex; align-items: center; gap: 10px;
}
.statusbar .brand .dot {
  width: 8px; height: 8px; background: var(--hi); border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(154,90,35,.25);
}
.statusbar .sep { width: 1px; height: 16px; background: rgba(255,255,255,.18); }
.statusbar .meta { font-size: var(--fs-sm); color: #b9b6ad; letter-spacing: .06em; }
.statusbar .spacer { flex: 1; }
.statusbar .clock { font-variant-numeric: tabular-nums; letter-spacing: .08em; color: #d7d4cb; font-size: var(--fs-sm); }

/* region drill-down chips */
.regions { display: flex; gap: 0; }
.region {
  border: 1px solid rgba(255,255,255,.16);
  border-left: none;
  background: transparent; color: #cbc8bf;
  padding: 4px 12px; cursor: pointer;
  font-size: var(--fs-sm); letter-spacing: .08em; text-transform: uppercase;
}
.region:first-child { border-left: 1px solid rgba(255,255,255,.16); border-radius: 2px 0 0 2px; }
.region:last-child { border-radius: 0 2px 2px 0; }
.region[aria-selected="true"] { background: var(--hi); color: #fff; border-color: var(--hi); }
.region:hover:not([aria-selected="true"]) { background: rgba(255,255,255,.08); color: #fff; }

/* direction tabs */
.tabs {
  display: flex; gap: 0; border: 1px solid var(--line); border-top: none;
  background: var(--panel-2);
}
.tab {
  flex: 1; background: transparent; border: none;
  border-right: 1px solid var(--line);
  padding: 9px 12px; cursor: pointer; text-align: left;
  display: flex; flex-direction: column; gap: 1px;
}
.tab:last-child { border-right: none; }
.tab .t-id { font-size: var(--fs-sm); letter-spacing: .12em; color: var(--muted); font-weight: 700; }
.tab .t-name { font-size: var(--fs); color: var(--ink-2); white-space: nowrap; }
.tab[aria-selected="true"] { background: var(--panel); box-shadow: inset 0 2px 0 var(--hi); }
.tab[aria-selected="true"] .t-id { color: var(--hi); }
.tab[aria-selected="true"] .t-name { color: var(--ink); font-weight: 600; }
.tab:hover:not([aria-selected="true"]) { background: var(--panel); }

/* stage that holds a view */
.stage {
  border: 1px solid var(--line); border-top: none;
  background: var(--panel-2);
  padding: var(--gap);
  border-radius: 0 0 var(--radius) var(--radius);
}
.view { display: none; }
.view[data-active="true"] { display: block; }

.viewhint {
  display: flex; align-items: center; gap: 10px;
  font-size: var(--fs-sm); color: var(--muted); margin-bottom: var(--gap);
  letter-spacing: .04em;
}
.viewhint .badge {
  border: 1px solid var(--line); background: var(--panel);
  padding: 2px 8px; border-radius: 999px; color: var(--ink-2);
  text-transform: uppercase; letter-spacing: .1em; font-weight: 600;
}

/* ============================================================
   PANEL PRIMITIVE
   ============================================================ */
.panel {
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: var(--radius);
  display: flex; flex-direction: column;
  min-width: 0;
}
.panel.flush { background: var(--panel); }
.panel-hd {
  display: flex; align-items: center; gap: 8px;
  padding: 8px var(--pad);
  border-bottom: 1px solid var(--line-2);
}
.panel-hd h3 { margin: 0; font-size: var(--fs); font-weight: 700; letter-spacing: .02em; }
.panel-hd h3 { white-space: nowrap; }
.panel-hd .tag {
  font-size: var(--fs-sm); color: var(--muted); letter-spacing: .08em;
  text-transform: uppercase; margin-left: auto; white-space: nowrap;
}
.panel-bd { padding: var(--pad); }
.panel-bd.tight { padding: 10px var(--pad); }

/* AI ribbon attached above/inside panels */
.ai-ribbon {
  display: flex; gap: 9px; align-items: flex-start;
  padding: 9px var(--pad);
  background: var(--panel-2);
  border-bottom: 1px dashed var(--line);
  font-size: var(--fs-sm);
  color: var(--ink-2);
  font-style: italic;
}
.ai-ribbon .ai-mark {
  flex: none; width: 16px; height: 16px; border-radius: 50%;
  border: 1px solid var(--hi); color: var(--hi);
  display: grid; place-items: center; font-style: normal;
  font-size: 9px; font-weight: 700; letter-spacing: 0; margin-top: 1px;
}

/* grids */
.grid { display: grid; gap: var(--gap); }
.g-3 { grid-template-columns: repeat(3, 1fr); }
.g-2 { grid-template-columns: 1fr 1fr; }
.span-2 { grid-column: span 2; }

/* ---- KPI ---- */
.kpi { display: flex; flex-direction: column; gap: 6px; }
.kpi .kpi-val { font-size: 26px; font-weight: 700; letter-spacing: 0; line-height: 1; }
:root[data-density="compact"] .kpi .kpi-val { font-size: 22px; }
:root[data-density="comfy"] .kpi .kpi-val { font-size: 30px; }
.kpi .kpi-sub { font-size: var(--fs-sm); }
.kpi.alert { }
.kpi.alert .kpi-val { color: var(--hi); }
.panel.alert { border-color: var(--hi); box-shadow: inset 3px 0 0 var(--hi); }

/* delta chips */
.delta { display: inline-flex; align-items: center; gap: 4px; font-weight: 600; }
.delta::before { content: "▲"; font-size: 8px; }
.delta.neg::before { content: "▼"; }
.delta.neg { color: var(--crit); }
.delta.pos { color: var(--ok); }

/* mini sparkline row */
.spark { height: 22px; display: block; width: 100%; }
.spark polyline { fill: none; stroke: var(--ink-2); stroke-width: 1.4; vector-effect: non-scaling-stroke; }

/* ============================================================
   SCHEMATIC CHARTS (wireframe primitives)
   ============================================================ */
.chart {
  position: relative; width: 100%;
}
.chart-grid {
  position: absolute; inset: 0; pointer-events: none;
  background-image: repeating-linear-gradient(to top, transparent 0, transparent calc(25% - 1px), var(--line-2) calc(25% - 1px), var(--line-2) 25%);
}
.bars {
  position: relative; display: flex; align-items: flex-end; gap: 4px;
  width: 100%;
}
.bar { flex: 1; background: var(--fill); border-radius: 1px 1px 0 0; min-width: 4px; }
.bar.dark { background: var(--fill-2); }
.bar.hot { background: var(--hi); }
.bars-axis { display: flex; justify-content: space-between; margin-top: 6px; font-size: var(--fs-sm); color: var(--muted); }
.line-overlay { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.line-overlay polyline { fill: none; stroke: var(--ink); stroke-width: 1.6; vector-effect: non-scaling-stroke; }
.line-overlay circle { fill: var(--panel); stroke: var(--ink); stroke-width: 1.4; }

/* horizontal assoc bars */
.hbars { display: flex; flex-direction: column; gap: 6px; }
.hbar { display: grid; grid-template-columns: 190px 1fr 42px; align-items: center; gap: 10px; font-size: var(--fs-sm); }
:root[data-density="compact"] .hbar { grid-template-columns: 160px 1fr 38px; }
.hbar .lab { color: var(--ink-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.hbar .track { height: 12px; background: var(--panel-2); border: 1px solid var(--line-2); position: relative; border-radius: 1px; }
.hbar .fillbar { position: absolute; left: 0; top: 0; bottom: 0; background: var(--fill-2); }
.hbar .fillbar.weak { background: var(--fill); opacity: .7; }
.hbar .val { text-align: right; font-variant-numeric: tabular-nums; color: var(--ink); }
.legend { display: flex; gap: 16px; font-size: var(--fs-sm); color: var(--muted); margin-bottom: 10px; }
.legend .sw { display: inline-block; width: 10px; height: 10px; margin-right: 5px; vertical-align: -1px; }
.legend .sw.s1 { background: var(--fill-2); }
.legend .sw.s2 { background: var(--fill); }

/* ============================================================
   TABLES
   ============================================================ */
.tbl { width: 100%; border-collapse: collapse; font-size: var(--fs-sm); }
.tbl th {
  text-align: left; font-weight: 600; color: var(--muted);
  text-transform: uppercase; letter-spacing: .08em;
  padding: 7px 10px; border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
.tbl td { padding: 8px 10px; border-bottom: 1px solid var(--line-2); vertical-align: top; color: var(--ink-2); }
.tbl tr:last-child td { border-bottom: none; }
.tbl tr.flag td { background: var(--hi-soft); }
.tbl .num { font-variant-numeric: tabular-nums; }
.pill {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 1px 8px; border-radius: 999px; font-size: var(--fs-sm);
  border: 1px solid var(--line); color: var(--ink-2);
  text-transform: uppercase; letter-spacing: .06em; font-weight: 600;
}
.pill.high { color: var(--hi); border-color: var(--hi); background: var(--hi-soft); }
.pill.med  { color: var(--ink-2); }

/* buttons / ghost actions */
.btn {
  border: 1px solid var(--line); background: var(--panel);
  padding: 5px 11px; border-radius: var(--radius); cursor: pointer;
  font-size: var(--fs-sm); letter-spacing: .06em; text-transform: uppercase; font-weight: 600;
  color: var(--ink-2);
}
.btn:hover { border-color: var(--ink-2); }
.btn.solid { background: var(--ink); color: #f1f0eb; border-color: var(--ink); }
.btn.solid:hover { background: var(--ink-2); }
.btn.hot { background: var(--hi); color: #fff; border-color: var(--hi); }
.btn.sm { padding: 3px 8px; }

/* ============================================================
   A — BRIEFING FIRST
   ============================================================ */
.brief {
  border: 1px solid var(--line); background: var(--panel);
  border-radius: var(--radius); overflow: hidden;
}
.brief-hd {
  display: flex; align-items: center; gap: 12px;
  padding: 12px var(--pad); border-bottom: 1px solid var(--line);
  background: var(--ink); color: #efeee9;
}
.brief-hd .ai-mark { border-color: #d6a05a; color: #e9b878; }
.brief-hd .ttl { font-weight: 700; letter-spacing: .04em; }
.brief-hd .stamp { margin-left: auto; font-size: var(--fs-sm); color: #b6b3aa; letter-spacing: .06em; }
.brief-bd { padding: var(--pad) calc(var(--pad) + 4px); }
.brief-bd p { margin: 0 0 12px; max-width: 78ch; color: var(--ink-2); line-height: 1.65; }
.brief-bd p:last-child { margin-bottom: 0; }
.brief-bd .mk { color: var(--ink); font-weight: 700; }
.brief-bd .mk.hi { color: var(--hi); }
.inl-metrics { display: flex; flex-wrap: wrap; gap: 10px; margin: 4px 0 16px; }
.inl-chip {
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 8px 12px; display: flex; flex-direction: column; gap: 3px; min-width: 152px;
  background: var(--panel-2);
}
.inl-chip .k { white-space: nowrap; }
.inl-chip .k { font-size: var(--fs-sm); color: var(--muted); letter-spacing: .08em; text-transform: uppercase; }
.inl-chip .v { font-size: 18px; font-weight: 700; }
.inl-chip .d { font-size: var(--fs-sm); }
.brief-foot {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 11px var(--pad); border-top: 1px dashed var(--line); background: var(--panel-2);
}
.chip-q {
  border: 1px solid var(--line); background: var(--panel); border-radius: 999px;
  padding: 4px 12px; font-size: var(--fs-sm); color: var(--ink-2); cursor: pointer;
}
.chip-q:hover { border-color: var(--ink-2); }

/* ============================================================
   B — COMMAND TERMINAL
   ============================================================ */
.term-grid {
  display: grid; gap: var(--gap);
  grid-template-columns: 2.2fr 1fr;
  align-items: start;
}
.term-main { display: grid; gap: var(--gap); }
.kpi-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap); }
.kpi-mini { border: 1px solid var(--line); background: var(--panel); padding: 10px var(--pad); border-radius: var(--radius); }
.kpi-mini .k { font-size: var(--fs-sm); color: var(--muted); letter-spacing: .08em; text-transform: uppercase; }
.kpi-mini .v { font-size: 19px; font-weight: 700; margin-top: 3px; }
.kpi-mini .d { font-size: var(--fs-sm); margin-top: 2px; }

/* analyst feed */
.feed { border: 1px solid var(--line); background: var(--panel); border-radius: var(--radius); display: flex; flex-direction: column; height: 100%; }
.feed-hd {
  display: flex; align-items: center; gap: 8px; padding: 8px var(--pad);
  border-bottom: 1px solid var(--line); background: var(--ink); color: #efeee9;
}
.feed-hd .ai-mark { border-color: #d6a05a; color: #e9b878; }
.feed-hd b { white-space: nowrap; }
.feed-hd .live { margin-left: auto; white-space: nowrap; font-size: var(--fs-sm); color: var(--ok); letter-spacing: .08em; display: flex; align-items: center; gap: 5px; }
.feed-hd .live .blip { width: 6px; height: 6px; border-radius: 50%; background: var(--ok); }
.feed-list { padding: 6px; overflow: auto; display: flex; flex-direction: column; }
.feed-item { padding: 9px 10px; border-bottom: 1px solid var(--line-2); display: flex; flex-direction: column; gap: 4px; }
.feed-item:last-child { border-bottom: none; }
.feed-item .fi-top { display: flex; align-items: center; gap: 8px; font-size: var(--fs-sm); color: var(--muted); letter-spacing: .04em; }
.feed-item .fi-sev { width: 7px; height: 7px; border-radius: 1px; background: var(--faint); }
.feed-item.sev-hi .fi-sev { background: var(--hi); }
.feed-item.sev-crit .fi-sev { background: var(--crit); }
.feed-item .fi-body { font-size: var(--fs-sm); color: var(--ink-2); line-height: 1.5; }
.feed-item .fi-body b { color: var(--ink); }
.feed-item .fi-act { display: flex; gap: 6px; margin-top: 2px; }
.mini-mono-table td, .mini-mono-table th { padding: 5px 8px; }

/* heat row */
.heatrow { display: grid; grid-template-columns: repeat(5,1fr); gap: 6px; }
.heatcell { border: 1px solid var(--line-2); padding: 8px; border-radius: var(--radius); display: flex; flex-direction: column; gap: 4px; }
.heatcell .hl { font-size: var(--fs-sm); color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
.heatcell .hv { font-weight: 700; font-size: 14px; }
.heatcell .hbarmini { height: 5px; background: var(--fill); border-radius: 2px; }

/* ============================================================
   C — TRIAGE BOARD
   ============================================================ */
.triage { display: grid; grid-template-columns: 210px 1fr; gap: var(--gap); align-items: start; }
:root[data-density="compact"] .triage { grid-template-columns: 180px 1fr; }
.rail { display: flex; flex-direction: column; gap: var(--gap); }
.rail-kpi { border: 1px solid var(--line); background: var(--panel); border-radius: var(--radius); padding: 11px var(--pad); }
.rail-kpi .k { font-size: var(--fs-sm); color: var(--muted); text-transform: uppercase; letter-spacing: .08em; }
.rail-kpi .v { font-size: 20px; font-weight: 700; margin-top: 2px; }
.rail-kpi .d { font-size: var(--fs-sm); margin-top: 2px; }

.queue-hd { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.queue-hd h3 { margin: 0; font-size: var(--fs-lg); }
.queue-hd .count { font-size: var(--fs-sm); color: var(--muted); letter-spacing: .06em; }
.filterbar { display: flex; gap: 6px; margin-left: auto; }
.queue { display: flex; flex-direction: column; gap: var(--gap); }
.issue {
  border: 1px solid var(--line); background: var(--panel); border-radius: var(--radius);
  display: grid; grid-template-columns: 56px 1fr 220px; align-items: stretch;
  overflow: hidden;
}
:root[data-density="compact"] .issue { grid-template-columns: 50px 1fr 200px; }
.issue .sev-col {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px;
  border-right: 1px solid var(--line-2); background: var(--panel-2); padding: 10px 6px;
}
.issue .sev-col .p { font-weight: 700; font-size: var(--fs-lg); }
.issue.p1 .sev-col { background: var(--hi-soft); }
.issue.p1 .sev-col .p { color: var(--hi); }
.issue .sev-col .sub { font-size: 9px; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; }
.issue .mid { padding: 12px var(--pad); display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.issue .mid .it { font-weight: 700; font-size: var(--fs-lg); }
.issue .mid .meta { display: flex; gap: 14px; flex-wrap: wrap; font-size: var(--fs-sm); color: var(--muted); }
.issue .mid .meta b { color: var(--ink-2); font-weight: 600; }
.issue .mid .ev { display: flex; align-items: center; gap: 10px; margin-top: 2px; }
.issue .rec {
  border-left: 1px solid var(--line-2); padding: 12px var(--pad);
  background: var(--panel-2); display: flex; flex-direction: column; gap: 8px;
}
.issue .rec .rl { display: flex; align-items: center; gap: 6px; font-size: var(--fs-sm); color: var(--hi); letter-spacing: .06em; text-transform: uppercase; font-weight: 700; }
.issue .rec .rt { font-size: var(--fs-sm); color: var(--ink-2); line-height: 1.5; flex: 1; }
.issue .rec .acts { display: flex; gap: 6px; }

/* ============================================================
   D — ASK-DRIVEN CANVAS
   ============================================================ */
.ask-wrap { display: flex; flex-direction: column; gap: var(--gap); }
.askbar-shell {
  border: 1px solid var(--line); background: var(--panel); border-radius: var(--radius);
  padding: 16px var(--pad);
}
.askbar {
  display: flex; align-items: center; gap: 12px;
  border: 1.5px solid var(--ink); border-radius: var(--radius);
  padding: 12px 14px; background: var(--panel-2);
}
.askbar .ai-mark { width: 20px; height: 20px; font-size: 10px; }
.askbar .ph { color: var(--muted); flex: 1; font-size: var(--fs-lg); }
.askbar .caret { width: 8px; height: 18px; background: var(--ink); animation: blink 1.1s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }
.ask-suggest { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.ask-board {
  display: grid; gap: var(--gap);
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: minmax(10px, auto);
}
.card-q { display: flex; flex-direction: column; }
.card-q .cq-hd {
  display: flex; align-items: flex-start; gap: 8px; padding: 10px var(--pad);
  border-bottom: 1px solid var(--line-2);
}
.card-q .cq-hd .q { font-size: var(--fs-sm); color: var(--ink-2); font-style: italic; flex: 1; }
.card-q .cq-hd .pin { color: var(--muted); font-size: var(--fs-sm); }
.card-q .cq-bd { padding: var(--pad); flex: 1; }
.card-q .answer { font-size: var(--fs-sm); color: var(--ink-2); line-height: 1.55; }
.card-q .answer b { color: var(--ink); }
.bignum { font-size: 28px; font-weight: 700; letter-spacing: 0; }
.col-3 { grid-column: span 3; }
.col-2 { grid-column: span 2; }
.col-4 { grid-column: span 4; }
.col-6 { grid-column: span 6; }
.annot {
  display: inline-flex; gap: 6px; align-items: flex-start; margin-top: 8px;
  border-left: 2px solid var(--hi); padding: 4px 0 4px 8px; font-size: var(--fs-sm);
  color: var(--ink-2); font-style: italic; background: var(--panel-2);
}

/* ============================================================
   E — 3-COL WORKSPACE
   ============================================================ */
.ws { display: grid; grid-template-columns: 200px 1fr 300px; gap: var(--gap); align-items: start; }
:root[data-density="compact"] .ws { grid-template-columns: 180px 1fr 270px; }
.ws-rail { display: flex; flex-direction: column; gap: var(--gap); }
.nav-block { border: 1px solid var(--line); background: var(--panel); border-radius: var(--radius); overflow: hidden; }
.nav-block .nb-hd { padding: 7px var(--pad); font-size: var(--fs-sm); color: var(--muted); text-transform: uppercase; letter-spacing: .1em; border-bottom: 1px solid var(--line-2); font-weight: 700; }
.nav-item {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  padding: 7px var(--pad); border-bottom: 1px solid var(--line-2); cursor: pointer; font-size: var(--fs-sm);
}
.nav-item:last-child { border-bottom: none; }
.nav-item .nm { white-space: nowrap; }
.nav-item .nv { font-variant-numeric: tabular-nums; color: var(--ink-2); }
.nav-item[aria-selected="true"] { background: var(--panel-2); box-shadow: inset 2px 0 0 var(--hi); }
.nav-item:hover:not([aria-selected="true"]) { background: var(--panel-2); }
.nav-item.flag .nm::after { content: "●"; color: var(--hi); font-size: 8px; margin-left: 6px; vertical-align: 2px; }

.ws-main { display: flex; flex-direction: column; gap: var(--gap); }
.module.selected { outline: 1.5px solid var(--ink); outline-offset: -1px; }
.module.selected .panel-hd { background: var(--panel-2); }

.ws-aside { display: flex; flex-direction: column; gap: var(--gap); position: sticky; top: 8px; }
.insight {
  border: 1px solid var(--line); background: var(--panel); border-radius: var(--radius);
  display: flex; flex-direction: column;
}
.insight-hd {
  display: flex; align-items: center; gap: 8px; padding: 9px var(--pad);
  background: var(--ink); color: #efeee9; border-bottom: 1px solid var(--line);
}
.insight-hd .ai-mark { border-color: #d6a05a; color: #e9b878; }
.insight-hd .ctx { margin-left: auto; font-size: var(--fs-sm); color: #b6b3aa; white-space: nowrap; }
.insight-bd { padding: var(--pad); display: flex; flex-direction: column; gap: 12px; }
.insight-bd .reading { font-size: var(--fs-sm); color: var(--ink-2); line-height: 1.6; }
.insight-bd .reading b { color: var(--ink); }
.insight-bd .conf { display: flex; align-items: center; gap: 8px; font-size: var(--fs-sm); color: var(--muted); }
.conf-bar { flex: 1; height: 5px; background: var(--panel-2); border: 1px solid var(--line-2); border-radius: 2px; overflow: hidden; }
.conf-bar i { display: block; height: 100%; background: var(--ink-2); }
.act-list { display: flex; flex-direction: column; gap: 7px; }
.act-list .al {
  display: flex; gap: 9px; align-items: flex-start; font-size: var(--fs-sm);
  border: 1px solid var(--line-2); border-radius: var(--radius); padding: 8px 10px; background: var(--panel-2);
}
.act-list .al .n { font-weight: 700; color: var(--hi); }
.subhd { font-size: var(--fs-sm); color: var(--muted); text-transform: uppercase; letter-spacing: .1em; font-weight: 700; }

/* utility */
.row { display: flex; align-items: center; gap: 10px; }
.wrap { flex-wrap: wrap; }
.mt6 { margin-top: 6px; } .mt10 { margin-top: 10px; } .mt14 { margin-top: 14px; }
.fill { flex: 1; }

/* footer note */
.foot {
  margin-top: 14px; font-size: var(--fs-sm); color: var(--muted);
  display: flex; gap: 16px; flex-wrap: wrap; letter-spacing: .04em;
  padding: 0 4px;
}
.foot b { color: var(--ink-2); font-weight: 600; }

/* ============================================================
   A+B — LAYERED BRIEFING (brief spine, expandable evidence)
   ============================================================ */
.layer-list { display: flex; flex-direction: column; gap: var(--gap); }
.claim {
  border: 1px solid var(--line); background: var(--panel);
  border-radius: var(--radius); overflow: hidden; position: relative;
}
.claim::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--faint); }
.claim.risk::before { background: var(--hi); }
.claim.good::before { background: var(--ok); }
.claim-hd {
  display: grid;
  grid-template-columns: 24px 1fr auto;
  grid-template-rows: auto auto;
  gap: 0 16px;
  align-items: center;
  padding: 12px var(--pad) 12px calc(var(--pad) + 4px);
  cursor: pointer;
}
.claim-date {
  grid-column: 1 / 3; grid-row: 1;
  font-size: var(--fs-sm); letter-spacing: .12em; color: var(--muted);
  font-variant-numeric: tabular-nums; font-family: var(--mono);
  padding-bottom: 6px; border-bottom: 1px solid var(--line-2);
}
.claim-hd:hover { background: var(--panel-2); }
.claim .cnum { grid-column: 1; grid-row: 2; font-weight: 700; color: var(--muted); padding-top: 7px; font-variant-numeric: tabular-nums; }
.claim.risk .cnum { color: var(--hi); }
.claim.good .cnum { color: var(--ok); }
.claim .cmain { grid-column: 2 / 4; grid-row: 2; display: flex; flex-direction: column; gap: 7px; min-width: 0; padding-top: 7px; }
.claim .ctitle { font-size: var(--fs-lg); font-weight: 700; }
.claim .csub { font-size: var(--fs-sm); color: var(--ink-2); line-height: 1.6; max-width: 92ch; }
.claim .csub b { color: var(--ink); }
.claim.risk .csub b.flagword { color: var(--hi); }
.claim .cmetrics { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 3px; }
.cm-chip {
  border: 1px solid var(--line-2); background: var(--panel-2); border-radius: 999px;
  padding: 3px 10px; font-size: var(--fs-sm); display: inline-flex; gap: 7px; align-items: center;
}
.cm-chip .dim { color: var(--muted); }
.cm-chip .cmv { font-weight: 700; font-variant-numeric: tabular-nums; }
.cm-chip .cmv.hi { color: var(--hi); }
.claim .expander {
  align-self: start; display: inline-flex; align-items: center; gap: 9px;
  border: 1px solid var(--line); background: var(--panel); border-radius: var(--radius);
  padding: 6px 11px; cursor: pointer; font-size: var(--fs-sm); letter-spacing: .07em;
  text-transform: uppercase; font-weight: 600; color: var(--ink-2); white-space: nowrap;
}
.claim .expander:hover { border-color: var(--ink-2); background: var(--panel-2); }
.claim .chev { transition: transform .2s ease; font-size: 9px; display: inline-block; }
.claim.open .chev { transform: rotate(90deg); }
.claim .expander .lbl-open { display: none; }
.claim.open .expander .lbl-closed { display: none; }
.claim.open .expander .lbl-open { display: inline; }
.claim.open .expander { color: var(--ink); border-color: var(--ink-2); }
.claim-body {
  display: none; border-top: 1px dashed var(--line);
  background: var(--panel-2); padding: var(--pad);
}
.claim.open .claim-body { display: block; animation: evOpen .22s ease; }
@keyframes evOpen { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }
.ev-tag {
  display: flex; align-items: center; gap: 10px; font-size: var(--fs-sm); color: var(--muted);
  letter-spacing: .12em; text-transform: uppercase; font-weight: 700; margin-bottom: 11px;
}
.ev-tag .ln { flex: 1; height: 1px; background: var(--line); }
.ev-grid { display: grid; gap: var(--gap); }
.ai-callout {
  display: flex; gap: 10px; align-items: flex-start; border: 1px solid var(--hi);
  background: var(--hi-soft); border-radius: var(--radius); padding: 11px var(--pad);
  font-size: var(--fs-sm); color: var(--ink-2); line-height: 1.55;
}
.ai-callout .ai-mark { flex: none; margin-top: 1px; }
.ai-callout b { color: var(--ink); }
.ai-callout .acts { display: flex; gap: 6px; margin-top: 8px; }
.note-line { font-size: var(--fs-sm); color: var(--muted); margin-top: 10px; line-height: 1.5; }

/* ---- follow-up answer cards (AI appends a new card to the brief) ---- */
.fu-card { border-color: var(--ink-2); animation: fuIn .28s ease; }
.fu-card::before { background: var(--ink); }
.fu-card .cnum { color: var(--ink); }
@keyframes fuIn { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }
.fu-q {
  display: flex; gap: 9px; align-items: center; font-size: var(--fs-sm);
  color: var(--ink-2); font-style: italic; margin-bottom: 4px;
}
.fu-q::before {
  content: "YOU ASKED"; font-style: normal; font-size: 9px; letter-spacing: .12em;
  border: 1px solid var(--line); border-radius: 999px; padding: 2px 8px; color: var(--muted);
  font-weight: 700; flex: none;
}
.fu-dismiss {
  align-self: start; border: none; background: transparent; color: var(--muted);
  font-size: 18px; line-height: 1; cursor: pointer; padding: 0 2px;
}
.fu-dismiss:hover { color: var(--ink); }
.fu-loading { display: flex; align-items: center; gap: 9px; color: var(--muted); font-size: var(--fs-sm); margin: 6px 0 2px; }
.sh {
  height: 10px; border-radius: 3px;
  background: linear-gradient(90deg, var(--line-2), var(--panel-2), var(--line-2));
  background-size: 200% 100%; animation: shimmer 1.1s linear infinite;
}
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }
.dotspin { width: 8px; height: 8px; border-radius: 50%; background: var(--hi); animation: pulse .75s ease infinite alternate; flex: none; }
@keyframes pulse { from { opacity: .3; } to { opacity: 1; } }

/* driver bridge (signed magnitude bars) */
.bridge { display: flex; flex-direction: column; gap: 8px; }
.bridge .br { display: grid; grid-template-columns: 160px 1fr 64px; gap: 12px; align-items: center; font-size: var(--fs-sm); }
:root[data-density="compact"] .bridge .br { grid-template-columns: 140px 1fr 58px; }
.bridge .br .bl { color: var(--ink-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bridge .br .bt { height: 14px; position: relative; background: var(--panel-2); border: 1px solid var(--line-2); border-radius: 1px; }
.bridge .br .bf { position: absolute; left: 0; top: 0; bottom: 0; background: var(--hi); }
.bridge .br .bf.pos { background: var(--fill-2); }
.bridge .br .bv { text-align: right; font-variant-numeric: tabular-nums; font-weight: 700; }
.bridge .br .bv.hi { color: var(--hi); }
/* ============================================================
   MINIMAL OVERRIDES — L view (A+B layered brief)
   Flat list items, hairlines only, no nested boxes
   ============================================================ */
.view[data-view='L'] .brief-hd {
  border: none;
  border-bottom: 1.5px solid var(--ink);
  border-radius: 0;
  background: var(--ink);
  padding: 12px 20px;
}
.view[data-view='L'] .brief-toolbar {
  border: none;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  padding: 10px 0;
  margin-bottom: 0;
}
.view[data-view='L'] .layer-list {
  border: none !important;
  background: transparent !important;
  padding: 0 !important;
  display: flex;
  flex-direction: column;
}
.view[data-view='L'] .claim {
  border: none;
  border-bottom: 1px solid var(--line-2);
  border-radius: 0;
  background: transparent;
  position: relative;
}
.view[data-view='L'] .claim:last-child { border-bottom: none; }
.view[data-view='L'] .claim::before {
  width: 2px; border-radius: 0;
}
.view[data-view='L'] .claim-hd {
  padding: 16px 20px 14px 24px;
}
.view[data-view='L'] .claim-hd:hover { background: var(--panel-2); }
.view[data-view='L'] .claim-body {
  border-top: 1px solid var(--line-2);
  background: var(--panel-2);
  padding: 18px 24px;
  animation: evOpen .2s ease;
}
.view[data-view='L'] .claim-body .panel {
  border: none;
  background: transparent;
  box-shadow: none;
  border-radius: 0;
}
.view[data-view='L'] .claim-body .panel-hd {
  background: transparent;
  border-bottom: 1px solid var(--line-2);
  padding: 0 0 8px 0;
  margin-bottom: 12px;
}
.view[data-view='L'] .claim-body .panel-bd {
  padding: 0;
}
.view[data-view='L'] .claim-body .panel + .panel {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--line-2);
}
.view[data-view='L'] .ev-tag {
  font-size: var(--fs-sm); color: var(--muted); letter-spacing: .12em;
  text-transform: uppercase; font-weight: 700;
  display: flex; align-items: center; gap: 10px; margin-bottom: 14px;
}
.view[data-view='L'] .ev-tag .ln { flex: 1; height: 1px; background: var(--line); }
.view[data-view='L'] .ai-callout {
  border-radius: 0;
  border-left: 2px solid var(--hi);
  border-top: none; border-right: none; border-bottom: none;
  background: transparent;
  padding: 8px 0 8px 14px;
  margin-top: 14px;
}
.view[data-view='L'] .feed {
  border: none;
  border-top: 1px solid var(--line-2);
  margin-top: 16px;
  background: transparent;
}
.view[data-view='L'] .feed-hd {
  background: transparent;
  color: var(--ink);
  border-bottom: 1px solid var(--line-2);
  padding: 8px 0;
}
.view[data-view='L'] .feed-hd .ai-mark {
  border-color: var(--hi); color: var(--hi);
}
.view[data-view='L'] .feed-item { padding: 10px 0; }
.view[data-view='L'] .hf-bridge,
.view[data-view='L'] .bridge { margin-top: 0; }
.view[data-view='L'] .note-line { border-top: 1px solid var(--line-2); padding-top: 10px; margin-top: 10px; }
.view[data-view='L'] .askbar-pin {
  border: none;
  border-top: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  margin-top: 0;
  padding: 14px 0 0 0;
}
.view[data-view='L'] .ask-input {
  border-radius: var(--radius);
  background: var(--panel);
  border-color: var(--line);
}
.view[data-view='L'] .sub-card {
  border-left: 2px solid var(--line);
  border-radius: 0;
  background: transparent;
  margin-left: 24px;
  border-top: none; border-right: none; border-bottom: none;
}
.view[data-view='L'] .heatrow .heatcell {
  border: none;
  border-bottom: 1px solid var(--line-2);
  border-radius: 0;
  padding: 8px 0;
}
/* tbl inside evidence */
.view[data-view='L'] .tbl th { padding-left: 0; }
.view[data-view='L'] .tbl td { padding-left: 0; }
/* no-results */
.view[data-view='L'] .no-results {
  border: none;
  border-top: 1px dashed var(--line);
  border-radius: 0;
  padding: 32px 0;
  text-align: left;
}
/* icon buttons in L view — borderless */
.view[data-view='L'] .icon-btn {
  border: none;
  background: transparent;
  color: var(--faint);
  width: 26px; height: 26px;
}
.view[data-view='L'] .icon-btn:hover {
  border: none;
  background: transparent;
  color: var(--ink-2);
}
.view[data-view='L'] .icon-btn.on {
  border: none;
  background: transparent;
  color: var(--hi);
}
.view[data-view='L'] .icon-btn.sent {
  border: none;
  background: transparent;
  color: var(--ok);
}
.view[data-view='L'] ~ * { border-top: none; }
/* stage contains all views — remove its border when showing L */
.stage:has(.view[data-view='L'][data-active='true']) {
  border: none;
  background: transparent;
  padding: 0;
  border-radius: 0;
}
.tabs:has(+ .stage .view[data-view='L'][data-active='true']) {
  border-bottom: none;
}

/* ask bar (now sits at the bottom — adds a new top-level topic) */
.askbar-pin {
  border: 1px solid var(--ink-2); background: var(--panel);
  border-radius: var(--radius); padding: 12px var(--pad);
  box-shadow: 0 6px 20px rgba(20,18,14,.06); margin-top: var(--gap);
}
.askbar-row { display: flex; align-items: center; gap: 12px; }
.ask-input {
  flex: 1; border: 1px solid var(--line); background: var(--panel-2);
  border-radius: var(--radius); padding: 10px 13px;
  font-family: var(--font); font-size: var(--fs); color: var(--ink);
}
.ask-input:focus { outline: none; border-color: var(--ink-2); background: var(--panel); }
.ask-input::placeholder { color: var(--muted); }
.ask-send { white-space: nowrap; align-self: stretch; }
.ask-chips { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-top: 11px; }

/* per-card thread: contextual ask -> nested sub-cards (2.1, 2.2 …) */
.card-thread { margin-top: var(--gap); display: flex; flex-direction: column; gap: 10px; }
.sub-list { display: flex; flex-direction: column; gap: 10px; }
.sub-list:empty { display: none; }
.sub-card { margin-left: 20px; border-left: 2px solid var(--line); }
.sub-card::before { display: none; }
.sub-card .cnum { color: var(--ink-2); }
.card-ask { display: flex; flex-direction: column; gap: 0; }
.ask-this {
  align-self: flex-start; border: 1px dashed var(--line); background: transparent; color: var(--ink-2);
  border-radius: var(--radius); padding: 6px 12px; cursor: pointer;
  font-size: var(--fs-sm); letter-spacing: .04em;
}
.ask-this:hover { border-style: solid; border-color: var(--ink-2); background: var(--panel); }
.ask-this-form { display: flex; gap: 8px; margin-top: 9px; }
.ask-this-input {
  flex: 1; border: 1px solid var(--line); background: var(--panel); border-radius: var(--radius);
  padding: 8px 11px; font-family: var(--font); font-size: var(--fs-sm); color: var(--ink);
}
.ask-this-input:focus { outline: none; border-color: var(--ink-2); }

/* assign-to: header button + compose modal */
.hd-actions { grid-column: 3; grid-row: 1; display: flex; align-items: center; gap: 6px; padding-bottom: 6px; }
/* assign/share is now .icon-btn — styles handled above */

.modal-backdrop { position: fixed; inset: 0; background: rgba(20,18,14,.45); display: flex; align-items: center; justify-content: center; z-index: 60; }
.modal { width: min(460px, 92vw); background: var(--panel); border: 1px solid var(--ink-2); border-radius: var(--radius); box-shadow: 0 24px 70px rgba(0,0,0,.3); overflow: hidden; }
.modal-hd { display: flex; align-items: center; gap: 10px; padding: 12px var(--pad); background: var(--ink); color: #efeee9; }
.modal-hd .ttl { font-weight: 700; letter-spacing: .04em; }
.modal-hd .modal-x { margin-left: auto; background: none; border: none; color: #b6b3aa; font-size: 18px; line-height: 1; cursor: pointer; }
.modal-hd .modal-x:hover { color: #fff; }
.modal-bd { padding: var(--pad); display: flex; flex-direction: column; gap: 13px; max-height: 66vh; overflow: auto; }
.modal-bd .re { font-size: var(--fs-sm); color: var(--muted); }
.modal-bd .re b { color: var(--ink-2); }
.modal-bd label { display: block; font-size: var(--fs-sm); color: var(--muted); text-transform: uppercase; letter-spacing: .08em; font-weight: 700; margin-bottom: 6px; }
.modal-bd input, .modal-bd textarea {
  width: 100%; border: 1px solid var(--line); background: var(--panel-2); border-radius: var(--radius);
  padding: 9px 11px; font-family: var(--font); font-size: var(--fs-sm); color: var(--ink);
}
.modal-bd input:focus, .modal-bd textarea:focus { outline: none; border-color: var(--ink-2); background: var(--panel); }
.modal-bd textarea { resize: vertical; min-height: 66px; }
.modal-ft { display: flex; gap: 8px; justify-content: flex-end; padding: 12px var(--pad); border-top: 1px solid var(--line-2); }

/* attached card snapshot (context for the assignee) */
.attach { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--panel-2); }
.attach-hd { display: flex; align-items: center; gap: 8px; padding: 7px 11px; background: var(--panel); border-bottom: 1px dashed var(--line); font-size: var(--fs-sm); color: var(--muted); letter-spacing: .08em; text-transform: uppercase; font-weight: 700; }
.attach-hd b { color: var(--ink-2); }
.attach-hd .atype { margin-left: auto; text-transform: none; letter-spacing: 0; font-weight: 400; color: var(--faint); }
.attach-bd { padding: 11px; display: flex; flex-direction: column; gap: 8px; }
.att-title { font-weight: 700; font-size: var(--fs); }
.att-sub { font-size: var(--fs-sm); color: var(--ink-2); line-height: 1.55; }
.att-sub b { color: var(--ink); }
.att-rec { font-size: var(--fs-sm); color: var(--ink-2); border-left: 2px solid var(--hi); padding-left: 9px; line-height: 1.55; }
.att-cap { font-size: var(--fs-sm); color: var(--muted); }
.claim.flash { box-shadow: 0 0 0 2px var(--hi), 0 6px 20px rgba(20,18,14,.1); }

/* flag / focus list */
/* unified icon button */
.icon-btn {
  width: 30px; height: 30px; border: 1px solid var(--line); background: var(--panel);
  border-radius: var(--radius); display: grid; place-items: center; cursor: pointer;
  color: var(--muted); flex: none; padding: 0;
}
.icon-btn:hover { border-color: var(--ink-2); color: var(--ink-2); background: var(--panel-2); }
.icon-btn.on { color: var(--hi); border-color: var(--hi); background: var(--hi-soft); }
.icon-btn.sent { color: var(--ok); border-color: var(--ok); background: var(--panel); cursor: default; }
.icon-btn svg { display: block; }
.icon-btn.ev-icon svg { transition: transform .2s ease; }
.claim.open .icon-btn.ev-icon svg { transform: rotate(180deg); }
.focus-bar {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  border: 1px solid var(--line); background: var(--panel); border-radius: var(--radius);
  padding: 9px var(--pad); margin-bottom: var(--gap);
}
.focus-bar .fl-label {
  font-size: var(--fs-sm); color: var(--muted); letter-spacing: .1em; text-transform: uppercase;
  font-weight: 700; display: flex; align-items: center; gap: 7px; white-space: nowrap;
}
.focus-bar .fl-label .star { color: var(--hi); }
.focus-bar .fl-count { color: var(--ink-2); }
.focus-chips { display: flex; gap: 8px; flex-wrap: wrap; }
.focus-chip {
  display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--line);
  background: var(--panel-2); border-radius: 999px; padding: 3px 6px 3px 12px;
  font-size: var(--fs-sm); color: var(--ink-2); cursor: pointer;
}
.focus-chip:hover { border-color: var(--ink-2); }
.focus-chip b { color: var(--hi); }
.focus-chip .fc-x { border: none; background: none; color: var(--muted); cursor: pointer; font-size: 14px; line-height: 1; padding: 0 2px; }
.focus-chip .fc-x:hover { color: var(--ink); }
.focus-empty { font-size: var(--fs-sm); color: var(--faint); }

/* search + filter toolbar */
.brief-toolbar {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  border: 1px solid var(--line); background: var(--panel);
  border-radius: var(--radius); padding: 9px var(--pad); margin-bottom: var(--gap);
}
.toolbar-search {
  display: flex; align-items: center; gap: 8px; border: 1px solid var(--line);
  background: var(--panel-2); border-radius: var(--radius); padding: 6px 11px; flex: 1; min-width: 160px;
}
.toolbar-search svg { flex: none; color: var(--muted); }
.toolbar-search input {
  border: none; background: transparent; font-family: var(--font); font-size: var(--fs);
  color: var(--ink); width: 100%;
}
.toolbar-search input:focus { outline: none; }
.toolbar-search input::placeholder { color: var(--muted); }
.toolbar-divider { width: 1px; height: 20px; background: var(--line); flex: none; }
.filter-chip {
  border: 1px solid var(--line); background: var(--panel); border-radius: var(--radius);
  padding: 4px 10px; font-size: var(--fs-sm); letter-spacing: .1em; text-transform: uppercase;
  font-weight: 600; color: var(--muted); cursor: pointer; white-space: nowrap;
  font-family: var(--mono);
}
.filter-chip:hover { border-color: var(--ink-2); color: var(--ink-2); }
.filter-chip.active { background: var(--ink); color: #f1f0eb; border-color: var(--ink); }
.filter-chip.active.bm { background: var(--hi); border-color: var(--hi); }
.no-results {
  text-align: center; padding: 32px var(--pad); color: var(--muted); font-size: var(--fs-sm);
  border: 1px dashed var(--line); border-radius: var(--radius); letter-spacing: .04em;
}