/* Bill Shredder. Built on the site tokens in css/tokens.css; the only page-level
 * colours are the "spend to review" figure and the chart's tool segments, which
 * need contrast on both themes. */
.bill-shredder, .bs-dock {
  --bs-good: #15803D;
  --bs-good-soft: #E7F6EC;
  --bs-warn: var(--color-warning);
  --bs-warn-soft: #FFF1E6;
  --bs-info-soft: #EEF1F5;
  --bs-sunk: #EEF0F4;
  --bs-seg1: #3E4A5E; --bs-seg2: #6B7A93; --bs-seg3: #98A5BA; --bs-seg4: #566276; --bs-seg5: #C3CCDA;
}
html[data-theme="dark"] .bill-shredder, html[data-theme="dark"] .bs-dock {
  --bs-good: #4ADE80;
  --bs-good-soft: #0F2418;
  --bs-warn-soft: #2A1C0B;
  --bs-info-soft: #1A1F29;
  --bs-sunk: #0C0F14;
  --bs-seg1: #C7CCD6; --bs-seg2: #8F99AA; --bs-seg3: #66708A; --bs-seg4: #A8B1C2; --bs-seg5: #4A5366;
}
main.wrap.bs-page { width: min(1200px, 100%); max-width: none; }
.bill-shredder [hidden] { display: none !important; }
.bill-shredder { display: grid; gap: var(--space-5); padding-bottom: 88px; }
.bill-shredder .bs-num { font-variant-numeric: tabular-nums; }
.bs-head { max-width: 760px; }
.bs-eyebrow { margin: 0; font-size: var(--text-xs); font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: var(--color-accent); }
.bs-head h1 { font-size: clamp(1.8rem, 4.4vw, 2.6rem); line-height: 1.12; margin: .35rem 0 .6rem; color: var(--color-text-strong); text-wrap: balance; }
.bs-head p { margin: 0; color: var(--color-text-muted); max-width: 64ch; }
.bs-head p b { color: var(--color-text); }

.bs-work { display: grid; grid-template-columns: minmax(0, 360px) minmax(0, 1fr); gap: var(--space-5); align-items: start; }
@media (max-width: 960px) { .bs-work { grid-template-columns: 1fr; } }
.bs-panel { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); position: relative; min-width: 0; }
.bs-panel-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 6px 10px; padding: 14px 16px; border-bottom: 1px solid var(--color-border); }
.bs-panel-head h2 { font-size: 1rem; margin: 0; color: var(--color-text-strong); }
.bs-panel-head small { color: var(--color-text-muted); font-size: var(--text-xs); }
.bs-right { display: grid; gap: var(--space-5); min-width: 0; }

.bs-chat { position: sticky; top: 88px; display: flex; flex-direction: column; max-height: calc(100vh - 110px); }
@media (max-width: 960px) { .bs-chat { position: static; max-height: none; } }
.bs-log { padding: 14px 16px; display: flex; flex-direction: column; gap: 10px; overflow-y: auto; min-height: 180px; }
.bs-msg { max-width: 92%; padding: 10px 12px; border-radius: 12px; font-size: var(--text-md); line-height: 1.5; overflow-wrap: anywhere; }
.bs-msg.me { align-self: flex-end; background: var(--color-accent-soft); border: 1px solid var(--color-accent-muted); }
.bs-msg.ai { align-self: flex-start; background: var(--color-surface-raised); border: 1px solid var(--color-border); }
.bs-msg.sys { align-self: stretch; max-width: none; border: 1px dashed var(--color-border); color: var(--color-text-muted); font-size: var(--text-sm); padding: 7px 10px; }
.bs-msg.guard { align-self: stretch; max-width: none; background: var(--bs-warn-soft); border-left: 3px solid var(--bs-warn); border-radius: 6px; font-size: var(--text-sm); padding: 8px 10px; }
.bs-who { display: block; font-size: .68rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; color: var(--color-text-muted); margin-bottom: 2px; }
.bs-compose { border-top: 1px solid var(--color-border); padding: 12px 16px; display: grid; gap: 8px; }
.bs-compose textarea { width: 100%; min-height: 76px; resize: vertical; border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-canvas); color: var(--color-text); padding: 10px; font: inherit; font-size: var(--text-md); }
.bs-compose-row { display: flex; gap: 10px; align-items: center; justify-content: space-between; }
.bs-compose small, .bs-fine { color: var(--color-text-muted); font-size: var(--text-xs); line-height: 1.4; margin: 0; }
.bs-offline { padding: 16px; color: var(--color-text-muted); font-size: var(--text-md); }
.bs-offline b { color: var(--color-text); }

.bs-btn { border: 1px solid var(--color-border); background: var(--color-surface); color: var(--color-text); border-radius: var(--radius-md); padding: 9px 14px; font: inherit; font-weight: 700; font-size: var(--text-md); cursor: pointer; min-height: 40px; }
.bs-btn:hover { border-color: var(--color-accent); }
.bs-btn.primary { background: var(--color-accent); border-color: var(--color-accent); color: var(--color-on-accent); }
.bs-btn.small { padding: 6px 10px; font-size: var(--text-sm); min-height: 34px; }
.bs-btn[disabled] { opacity: .55; cursor: not-allowed; }
.bill-shredder :focus-visible { outline: none; box-shadow: var(--focus-ring); border-radius: 6px; }

.bs-setup { display: flex; flex-wrap: wrap; gap: 12px 16px; padding: 14px 16px; border-bottom: 1px solid var(--color-border); align-items: end; }
.bs-field { display: grid; gap: 4px; font-size: var(--text-xs); font-weight: 800; color: var(--color-text-muted); letter-spacing: .02em; }
.bs-field input, .bs-field select, .bs-table input { border: 1px solid var(--color-border); background: var(--color-canvas); color: var(--color-text); border-radius: var(--radius-sm); padding: 8px 9px; font: inherit; font-size: var(--text-md); font-weight: 600; min-width: 0; }
.bs-field input[type="number"] { width: 104px; }
.bs-agreed { padding: 10px 16px; border-bottom: 1px solid var(--color-border); font-size: var(--text-sm); color: var(--color-text-muted); }
.bs-agreed summary { cursor: pointer; font-weight: 700; color: var(--color-text); }
.bs-agreed .bs-setup { border: 0; padding: 10px 0 2px; }
.bs-tablewrap { overflow-x: auto; position: relative; }
.bs-table { width: 100%; border-collapse: collapse; font-size: var(--text-md); }
.bs-table th { font-size: .7rem; text-transform: uppercase; letter-spacing: .06em; color: var(--color-text-muted); text-align: left; font-weight: 800; padding: 10px 12px; border-bottom: 1px solid var(--color-border); white-space: nowrap; }
.bs-table td { padding: 10px 12px; border-bottom: 1px solid var(--color-border); vertical-align: middle; }
.bs-table tbody tr:last-child td { border-bottom: 0; }
.bs-table input { width: 86px; padding: 6px 8px; }
.bs-table input.bs-need { border-color: var(--color-accent); background: var(--color-accent-soft); }
.bs-name { font-weight: 800; color: var(--color-text-strong); }
.bs-cat { display: block; font-size: var(--text-xs); color: var(--color-text-muted); font-weight: 600; }
.bs-badge { display: inline-flex; align-items: center; font-size: .72rem; font-weight: 800; padding: 2px 8px; border-radius: var(--radius-pill); border: 1px solid var(--color-border); color: var(--color-text-muted); white-space: nowrap; }
.bs-badge.ms { color: var(--color-accent); border-color: var(--color-accent-muted); }
.bs-badge a { color: inherit; }
.bs-remove { border: 0; background: none; color: var(--color-text-muted); cursor: pointer; font-size: 1.2rem; line-height: 1; padding: 6px 8px; border-radius: 6px; }
.bs-remove:hover { color: var(--color-accent); }
.bs-add { display: flex; flex-wrap: wrap; gap: 8px 12px; align-items: end; padding: 12px 16px; border-top: 1px solid var(--color-border); background: var(--bs-sunk); border-radius: 0 0 var(--radius-lg) var(--radius-lg); }
.bs-add .bs-field input[type="text"] { width: 160px; }
.bs-empty { padding: 16px; color: var(--color-text-muted); font-size: var(--text-md); display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: space-between; }
.bs-hint { padding: 10px 16px; font-size: var(--text-sm); color: var(--color-text-muted); border-top: 1px solid var(--color-border); margin: 0; }

.bs-result { padding: 18px; display: grid; gap: 16px; }
.bs-big { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 14px; }
.bs-fig { font-size: clamp(2.3rem, 5.6vw, 3.4rem); font-weight: 800; line-height: 1; color: var(--bs-good); letter-spacing: -.02em; }
.bs-fig.neg { color: var(--bs-warn); }
.bs-fig-label { font-size: 1rem; font-weight: 800; color: var(--color-text-strong); }
.bs-sub { margin: 0; color: var(--color-text-muted); font-size: var(--text-md); max-width: 70ch; }
.bs-pending { margin: 0; font-size: 1.05rem; font-weight: 800; color: var(--color-accent); }
.bs-note { padding: 10px 12px; border-radius: var(--radius-sm); background: var(--bs-warn-soft); border-left: 3px solid var(--bs-warn); font-size: var(--text-md); }
.bs-bars { display: grid; gap: 12px; }
.bs-bar { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 10px; align-items: center; }
@media (max-width: 540px) { .bs-bar { grid-template-columns: 1fr; gap: 4px; } }
.bs-bar-label { font-size: var(--text-sm); font-weight: 800; color: var(--color-text); }
.bs-bar-label small { display: block; font-weight: 600; color: var(--color-text-muted); }
.bs-track { position: relative; height: 26px; margin-right: 84px; min-width: 0; }
.bs-stack { display: flex; height: 100%; border-radius: 6px; overflow: hidden; background: var(--bs-sunk); transition: width .35s var(--ease-standard); }
.bs-stack span { height: 100%; }
.bs-stack span + span { box-shadow: inset 2px 0 0 var(--color-surface); }
.bs-bar-value { position: absolute; top: 50%; transform: translateY(-50%); font-size: var(--text-sm); font-weight: 800; color: var(--color-text-strong); white-space: nowrap; }
.bs-axis { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 10px; font-size: .72rem; color: var(--color-text-muted); }
.bs-axis div { display: flex; justify-content: space-between; border-top: 1px solid var(--color-border); padding-top: 4px; margin-right: 84px; }
@media (max-width: 540px) { .bs-axis { grid-template-columns: 1fr; } .bs-axis > span { display: none; } }
.bs-legend { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: var(--text-sm); color: var(--color-text-muted); margin: 0; padding: 0; list-style: none; }
.bs-legend i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 5px; vertical-align: -1px; }
.bs-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.bs-status { display: inline-block; font-size: .76rem; font-weight: 800; padding: 3px 9px; border-radius: var(--radius-pill); line-height: 1.35; }
.bs-status.covered-now { background: var(--bs-good-soft); color: var(--bs-good); }
.bs-status.covered-on-target { background: var(--color-accent-soft); color: var(--color-accent); }
.bs-status.no-equivalent { background: var(--bs-info-soft); color: var(--color-text-muted); }
.bs-overlap th { white-space: normal; }
.bs-overlap td:nth-child(3) { min-width: 150px; }
.bs-fit { font-size: var(--text-sm); color: var(--color-text-muted); min-width: 220px; }

.bs-tabs { display: flex; flex-wrap: wrap; gap: 6px; padding: 12px 16px; border-bottom: 1px solid var(--color-border); }
.bs-tab { border: 1px solid var(--color-border); background: var(--color-surface); color: var(--color-text-muted); border-radius: var(--radius-pill); padding: 7px 13px; font: inherit; font-size: var(--text-sm); font-weight: 800; cursor: pointer; min-height: 36px; }
.bs-tab[aria-selected="true"] { background: var(--color-text-strong); color: var(--color-canvas); border-color: var(--color-text-strong); }
.bs-view { padding: 16px 18px; display: grid; gap: 14px; }
.bs-view p { margin: 0; max-width: 72ch; }
.bs-view h3 { margin: 0; font-size: 1rem; color: var(--color-text-strong); }
.bs-kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; }
.bs-kpi { padding: 12px; border-radius: var(--radius-md); background: var(--bs-sunk); }
.bs-kpi span { display: block; font-size: var(--text-xs); color: var(--color-text-muted); font-weight: 800; }
.bs-kpi b { font-size: 1.25rem; color: var(--color-text-strong); }
.bs-list { margin: 0; padding-left: 18px; display: grid; gap: 6px; }
.bs-out { display: flex; flex-wrap: wrap; gap: 8px 12px; align-items: center; padding: 12px 16px; border-top: 1px solid var(--color-border); }

.bs-dock { display: none; }
@media (max-width: 960px) {
  .bs-dock { display: flex; position: fixed; left: 0; right: 0; bottom: 0; z-index: 30; align-items: center; justify-content: space-between; gap: 10px; padding: 10px 16px calc(10px + env(safe-area-inset-bottom, 0px)); background: var(--color-surface-raised); border-top: 1px solid var(--color-border); box-shadow: var(--shadow-subtle); }
  .bs-dock b { font-size: 1.4rem; color: var(--bs-good); font-variant-numeric: tabular-nums; }
  .bs-dock b.neg { color: var(--bs-warn); }
  .bs-dock span { font-size: var(--text-xs); color: var(--color-text-muted); font-weight: 800; line-height: 1.2; }
}
@media (max-width: 640px) {
  .bs-table thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .bs-table, .bs-table tbody { display: block; min-width: 0; }
  .bs-table tr { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 12px; padding: 12px 16px; border-bottom: 1px solid var(--color-border); }
  .bs-table tbody tr:last-child { border-bottom: 0; }
  .bs-table td { display: block; border: 0; padding: 0; min-width: 0; }
  .bs-table td:first-child { grid-column: 1 / -1; }
  .bs-table td[data-label]::before { content: attr(data-label); display: block; font-size: .68rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; color: var(--color-text-muted); margin-bottom: 3px; }
  .bs-table td:empty { display: none; }
  .bs-table input { width: 100%; }
  .bs-overlap td:nth-child(2), .bs-overlap td:nth-child(3), .bs-overlap td.bs-fit { grid-column: 1 / -1; min-width: 0; }
  .bs-fit { min-width: 0; }
  .bs-remove { justify-self: end; }
}
@media (prefers-reduced-motion: reduce) { .bs-stack { transition: none; } }
@media print {
  .site-shell-header, .site-shell-footer, .bs-chat, .bs-add, .bs-tabs, .bs-out, .bs-dock, .bs-remove, .bs-agreed, .learn-breadcrumbs { display: none !important; }
  .bs-work { grid-template-columns: 1fr; }
  .bs-view[hidden] { display: grid !important; }
  .bill-shredder { padding-bottom: 0; }
}