/* Layout: operator console. Thin top bar, toolbar, KPI strip, queue on the left, case file on the right.
   One column on phones. System fonts only, so the page makes no third-party requests. */
:root {
  --bg: #F2F4F7;
  --surface: #FFFFFF;
  --sunk: #EAEEF2;
  --ink: #14202B;
  --muted: #5A6774;
  --line: #D8DFE6;
  --accent: #2B55C9;
  --on-accent: #FFFFFF;
  --mal: #C2362C;
  --rev: #A86A12;
  --ben: #2C7A57;
  --font-body: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0D1318; --surface: #141C24; --sunk: #0F161D; --ink: #E4EAF0; --muted: #94A2AF; --line: #25313C;
    --accent: #84A4FF; --on-accent: #0D1318; --mal: #FF7B6F; --rev: #EDB45B; --ben: #5FC497; color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--font-body); font-size: 14px; line-height: 1.5; padding-bottom: env(safe-area-inset-bottom, 0px); }
.wrap { max-width: 1240px; margin: 0 auto; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
[hidden] { display: none !important; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
button:focus-visible, label.btn:focus-within, summary:focus-visible, textarea:focus-visible, input:focus-visible, .row:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* top bar */
.top { background: var(--surface); border-bottom: 1px solid var(--line); padding-top: env(safe-area-inset-top, 0px); }
.top-row { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 20px; padding-block: 12px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 16px; letter-spacing: -0.01em; }
.brand svg { flex: none; color: var(--ink); }
.brand .brand-shield { color: var(--accent); }
.brand small { font-weight: 500; color: var(--muted); font-size: 13px; letter-spacing: 0; margin-left: 4px; }
.tabs { display: flex; flex-wrap: wrap; gap: 4px; }
.tab { font: inherit; font-weight: 500; color: var(--muted); background: none; border: 1px solid transparent; border-radius: 6px; padding: 6px 12px; cursor: pointer; }
.tab[aria-selected="true"] { color: var(--ink); background: var(--sunk); border-color: var(--line); }
.tab:hover { color: var(--ink); }
.privacy { margin-left: auto; font-family: var(--font-mono); font-size: 11.5px; color: var(--ben); border: 1px solid color-mix(in srgb, var(--ben) 40%, transparent); border-radius: 4px; padding: 3px 8px; }

/* toolbar */
.toolbar { display: flex; flex-wrap: wrap; gap: 10px 16px; align-items: center; justify-content: space-between; padding-top: 16px; }
.dataset { display: flex; align-items: center; gap: 8px; font-weight: 500; min-width: 0; overflow-wrap: anywhere; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ben); flex: none; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; }
.btn { font: inherit; font-weight: 600; font-size: 13px; padding: 7px 14px; border-radius: 6px; cursor: pointer; border: 1px solid var(--line); background: var(--surface); color: var(--ink); display: inline-flex; align-items: center; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.btn:hover { border-color: var(--muted); }
.btn.primary:hover { filter: brightness(1.06); }
.drop { margin-top: 12px; border: 2px dashed var(--accent); border-radius: 8px; padding: 28px 16px; text-align: center; font-weight: 600; color: var(--accent); background: color-mix(in srgb, var(--accent) 6%, var(--surface)); }
.error { margin: 12px 0 0; padding: 10px 14px; border-radius: 6px; border: 1px solid var(--mal); color: var(--mal); background: color-mix(in srgb, var(--mal) 8%, var(--surface)); font-weight: 500; }

/* KPI strip */
.kpis { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 8px; overflow: hidden; margin-block: 16px; }
.kpi { background: var(--surface); padding: 12px 16px; display: grid; gap: 2px; align-content: start; }
.kpi .label { font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); font-weight: 500; }
.kpi .value { font-size: 22px; font-weight: 600; font-variant-numeric: tabular-nums; letter-spacing: -0.01em; }
.kpi .note { font-size: 12px; color: var(--muted); }

/* queue */
.work { display: grid; grid-template-columns: minmax(0, 380px) minmax(0, 1fr); gap: 16px; align-items: start; padding-bottom: 24px; }
.queue { background: var(--surface); border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.queue-head { padding: 12px 14px; border-bottom: 1px solid var(--line); display: grid; gap: 10px; }
.queue-head h2 { margin: 0; font-size: 14px; font-weight: 600; display: flex; justify-content: space-between; gap: 8px; }
.queue-head h2 span { color: var(--muted); font-weight: 400; font-size: 12.5px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { font: inherit; font-size: 12.5px; padding: 3px 10px; border-radius: 999px; border: 1px solid var(--line); background: var(--surface); color: var(--muted); cursor: pointer; }
.chip[aria-pressed="true"] { background: var(--ink); color: var(--surface); border-color: var(--ink); }
.group-label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.07em; font-weight: 600; color: var(--muted); padding: 10px 14px 6px; background: var(--sunk); border-top: 1px solid var(--line); display: flex; justify-content: space-between; }
.group-label:first-child { border-top: 0; }
.row { display: grid; grid-template-columns: 4px minmax(0, 1fr) auto; gap: 10px; width: 100%; text-align: left; font: inherit; color: inherit; background: var(--surface); border: 0; border-top: 1px solid var(--line); padding: 10px 14px 10px 0; cursor: pointer; }
.row:hover { background: var(--sunk); }
.row[aria-current="true"] { background: color-mix(in srgb, var(--accent) 9%, var(--surface)); }
.row .t { display: block; font-weight: 500; line-height: 1.35; }
.row .m { display: block; font-family: var(--font-mono); font-size: 11.5px; color: var(--muted); margin-top: 2px; overflow-wrap: anywhere; }
.row .c { font-family: var(--font-mono); font-size: 12px; color: var(--muted); font-variant-numeric: tabular-nums; text-align: right; display: grid; gap: 2px; justify-items: end; align-content: start; }
.row.done { opacity: 0.55; }
.done-mark { font-size: 11px; color: var(--ben); font-family: var(--font-body); font-weight: 600; }
.stripe { border-radius: 0 2px 2px 0; }
.s-mal { background: var(--mal); } .s-rev { background: var(--rev); } .s-ben { background: var(--ben); }
.empty { padding: 24px 16px; color: var(--muted); }
.empty strong { color: var(--ink); display: block; margin-bottom: 4px; }

/* detail */
.detail { background: var(--surface); border: 1px solid var(--line); border-radius: 8px; min-width: 0; scroll-margin-top: 12px; }
.d-head { padding: 16px 20px; border-bottom: 1px solid var(--line); display: grid; gap: 6px; }
.d-head h1 { margin: 0; font-size: 19px; line-height: 1.3; font-weight: 600; text-wrap: balance; overflow-wrap: anywhere; }
.meta { display: flex; flex-wrap: wrap; gap: 4px 16px; font-family: var(--font-mono); font-size: 12px; color: var(--muted); }
.meta b { color: var(--ink); font-weight: 500; overflow-wrap: anywhere; }
.d-body { padding: 16px 20px 20px; display: grid; gap: 18px; }
.verdict { border: 1px solid var(--line); border-radius: 8px; padding: 14px 16px; display: grid; gap: 10px; background: var(--sunk); }
.v-top { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; }
.pill { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; font-size: 13px; padding: 3px 10px; border-radius: 999px; white-space: nowrap; }
.pill::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.p-mal { color: var(--mal); background: color-mix(in srgb, var(--mal) 13%, transparent); }
.p-rev { color: var(--rev); background: color-mix(in srgb, var(--rev) 15%, transparent); }
.p-ben { color: var(--ben); background: color-mix(in srgb, var(--ben) 14%, transparent); }
.v-label { font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); font-weight: 500; }
.gauges { display: grid; grid-template-columns: auto minmax(0, 1fr) 2.5em; gap: 8px 10px; align-items: center; }
.bar { position: relative; height: 8px; background: var(--line); border-radius: 4px; }
.bar .fill { position: absolute; top: 0; bottom: 0; left: 0; border-radius: 4px; }
.fill.mal { background: var(--mal); } .fill.rev { background: var(--rev); } .fill.ben { background: var(--ben); } .fill.neutral { background: var(--accent); }
.bar .tick { position: absolute; top: -4px; bottom: -4px; width: 2px; background: var(--ink); }
.gauges .num { font-family: var(--font-mono); font-size: 13px; font-variant-numeric: tabular-nums; text-align: right; }
.bar-note { font-size: 11.5px; color: var(--muted); }
.guard { font-size: 12.5px; border-left: 3px solid var(--rev); padding: 6px 10px; background: color-mix(in srgb, var(--rev) 9%, var(--surface)); border-radius: 0 4px 4px 0; }
.guard b { font-weight: 600; }
.reason { margin: 0; max-width: 70ch; }
h3 { margin: 0 0 8px; font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.07em; color: var(--muted); font-weight: 600; }
.signals { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.signals li { display: grid; grid-template-columns: 64px minmax(0, 1fr) 3.2em; gap: 10px; align-items: start; }
.tag { font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); border: 1px solid var(--line); border-radius: 4px; padding: 1px 6px; text-align: center; }
.signals .lbl { font-weight: 500; display: block; }
.signals .det { display: block; font-size: 12.5px; color: var(--muted); overflow-wrap: anywhere; }
.w { font-family: var(--font-mono); font-size: 12.5px; text-align: right; font-variant-numeric: tabular-nums; font-weight: 600; }
.w.up { color: var(--mal); } .w.down { color: var(--ben); }
details { border: 1px solid var(--line); border-radius: 8px; }
summary { cursor: pointer; padding: 10px 14px; font-size: 13px; font-weight: 500; }
pre { margin: 0; padding: 12px 14px; border-top: 1px solid var(--line); background: var(--sunk); font-family: var(--font-mono); font-size: 12px; line-height: 1.55; overflow-x: auto; white-space: pre-wrap; overflow-wrap: anywhere; border-radius: 0 0 8px 8px; }

/* decision */
.decide { border-top: 1px solid var(--line); padding: 14px 20px 18px; display: grid; gap: 12px; }
.btns { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.hint { font-size: 12.5px; color: var(--muted); }
.override { display: grid; gap: 10px; padding: 12px 14px; border: 1px solid var(--line); border-radius: 8px; background: var(--sunk); }
.radios { display: flex; flex-wrap: wrap; gap: 8px 16px; border: 0; margin: 0; padding: 0; }
.radios legend { font-size: 12.5px; color: var(--muted); padding: 0; margin-bottom: 4px; }
.radios label { display: inline-flex; gap: 6px; align-items: center; cursor: pointer; }
textarea { font: inherit; width: 100%; min-height: 60px; padding: 8px 10px; border: 1px solid var(--line); border-radius: 6px; background: var(--surface); color: var(--ink); resize: vertical; }
.status { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; font-weight: 500; }
.status .ok { color: var(--ben); } .status .ov { color: var(--rev); }
.linkbtn { font: inherit; font-size: 13px; color: var(--accent); background: none; border: 0; padding: 0; cursor: pointer; text-decoration: underline; }

/* report and context */
.report { padding-block: 16px 32px; display: grid; gap: 16px; }
.report .kpis { margin: 0; }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 16px 20px; min-width: 0; }
.panel h2 { margin: 0 0 4px; font-size: 16px; font-weight: 600; }
.panel .sub { margin: 0 0 14px; color: var(--muted); font-size: 13px; max-width: 70ch; }
.panel p { max-width: 75ch; }
.rgrid { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: 16px; }
.chart-wrap { overflow-x: auto; }
.chart { width: 100%; min-width: 360px; height: auto; display: block; }
.legend { display: flex; flex-wrap: wrap; gap: 6px 16px; margin-top: 8px; font-size: 12.5px; color: var(--muted); }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend i { width: 10px; height: 10px; border-radius: 2px; display: inline-block; }
.inputs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-bottom: 14px; }
.inputs label { display: grid; gap: 4px; font-size: 12.5px; color: var(--muted); }
.inputs input { font: inherit; padding: 6px 8px; border: 1px solid var(--line); border-radius: 6px; background: var(--surface); color: var(--ink); width: 100%; font-variant-numeric: tabular-nums; }
.tbl-wrap { overflow-x: auto; }
.tbl { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.tbl th, .tbl td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); font-size: 13.5px; vertical-align: top; }
.tbl th { font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); font-weight: 500; }
.tbl td.n, .tbl th.n { text-align: right; }
.tbl td.mono { font-family: var(--font-mono); font-size: 12.5px; overflow-wrap: anywhere; }
.mono { font-family: var(--font-mono); font-size: 12.5px; overflow-wrap: anywhere; }
.steps { margin: 0; padding-left: 20px; display: grid; gap: 6px; max-width: 75ch; }

#toast { position: fixed; left: 50%; bottom: calc(20px + env(safe-area-inset-bottom, 0px)); transform: translateX(-50%); background: var(--ink); color: var(--surface); padding: 9px 16px; border-radius: 6px; font-size: 13.5px; font-weight: 500; opacity: 0; pointer-events: none; transition: opacity .2s; max-width: calc(100% - 32px); }
#toast.on { opacity: 1; }
.foot { color: var(--muted); font-size: 12px; padding-block: 8px 24px; }

@media (max-width: 860px) {
  .work, .rgrid { grid-template-columns: minmax(0, 1fr); }
  .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .privacy { margin-left: 0; }
}
@media (max-width: 520px) {
  .signals li { grid-template-columns: minmax(0, 1fr) 3.2em; }
  .signals .tag { grid-column: 1 / -1; justify-self: start; }
  .inputs { grid-template-columns: minmax(0, 1fr); }
}
@media (prefers-reduced-motion: reduce) { #toast { transition: none; } }