/* Exact Dx design system. Accessible (WCAG 2.1 AA): every text/background pair below
   meets 4.5:1 (body) or 3:1 (large text / UI boundaries); status is never color-only (each
   badge has an icon glyph and a text label). Light and dark themes; [data-theme] wins over OS. */

:root {
  color-scheme: light;
  --bg: #f6f6f4;
  --surface: #ffffff;
  --surface-2: #f0efec;
  --border: #8a8984;          /* 3.5:1 on surface: UI boundary */
  --border-soft: #d9d8d3;
  --text: #17171a;
  --text-2: #4a4946;          /* 8.6:1 */
  --link: #1c5cab;            /* 6.7:1 */
  --accent: #1c5cab;
  --accent-text: #ffffff;
  --focus: #2a78d6;
  --danger: #a12222;
  --danger-text: #ffffff;
  --ok-bg: #e2f3e2;  --ok-fg: #0b5a0b;
  --risk-bg: #fff0c7; --risk-fg: #5c3f00;
  --bad-bg: #fde1e1;  --bad-fg: #8a1c1c;
  --neutral-bg: #ebeae6; --neutral-fg: #33322f;
  --banner-bg: #3d2e00; --banner-fg: #fff6d6;
  --sim-bg: #5c3f00; --sim-fg: #fff6d6;
  --mark-bg: #ffe27a; --mark-fg: #17171a;
  --series-1: #2a78d6; --series-2: #eb6834; --series-3: #1baf7a;
  --grid: #e4e3df; --axis: #4a4946;
  --shadow: 0 1px 2px rgb(0 0 0 / 6%), 0 2px 8px rgb(0 0 0 / 5%);
  --radius: 8px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root:where(:not([data-theme="light"])) {
    color-scheme: dark;
    --bg: #121211; --surface: #1a1a19; --surface-2: #242422;
    --border: #8c8b85; --border-soft: #393936;
    --text: #f0efec; --text-2: #c3c2b7; --link: #86b6ef; --accent: #86b6ef; --accent-text: #0d1b2e;
    --focus: #86b6ef; --danger: #ff9c9c; --danger-text: #2a0b0b;
    --ok-bg: #12301a; --ok-fg: #a6e8a6; --risk-bg: #3a2e0a; --risk-fg: #ffd77a; --bad-bg: #3d1616; --bad-fg: #ffb3b3;
    --neutral-bg: #2c2c29; --neutral-fg: #e2e1dc;
    --banner-bg: #ffd77a; --banner-fg: #1e1600; --sim-bg: #ffd77a; --sim-fg: #1e1600;
    --mark-bg: #7a5d00; --mark-fg: #fff6d6;
    --series-1: #3987e5; --series-2: #d95926; --series-3: #199e70;
    --grid: #2f2f2c; --axis: #c3c2b7;
    --shadow: none;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #121211; --surface: #1a1a19; --surface-2: #242422;
  --border: #8c8b85; --border-soft: #393936;
  --text: #f0efec; --text-2: #c3c2b7; --link: #86b6ef; --accent: #86b6ef; --accent-text: #0d1b2e;
  --focus: #86b6ef; --danger: #ff9c9c; --danger-text: #2a0b0b;
  --ok-bg: #12301a; --ok-fg: #a6e8a6; --risk-bg: #3a2e0a; --risk-fg: #ffd77a; --bad-bg: #3d1616; --bad-fg: #ffb3b3;
  --neutral-bg: #2c2c29; --neutral-fg: #e2e1dc;
  --banner-bg: #ffd77a; --banner-fg: #1e1600; --sim-bg: #ffd77a; --sim-fg: #1e1600;
  --mark-bg: #7a5d00; --mark-fg: #fff6d6;
  --series-1: #3987e5; --series-2: #d95926; --series-3: #199e70;
  --grid: #2f2f2c; --axis: #c3c2b7;
  --shadow: none;
}

*, *::before, *::after { box-sizing: border-box; }
html { font-size: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 1rem/1.5 var(--font); }
a { color: var(--link); text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 3px; }
h1, h2, h3 { line-height: 1.25; margin: 0 0 .5rem; }
h1 { font-size: 1.6rem; } h2 { font-size: 1.25rem; } h3 { font-size: 1.05rem; }
p { margin: 0 0 .75rem; }
code, pre, .cw-mono { font-family: var(--mono); font-size: .9em; }
pre { white-space: pre-wrap; word-break: break-word; }
.cw-visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.cw-skip { position: absolute; left: 8px; top: -48px; background: var(--accent); color: var(--accent-text); padding: 8px 12px; z-index: 10; border-radius: 4px; }
.cw-skip:focus { top: 8px; }

/* persistent demonstration banner */
.cw-banner { background: var(--banner-bg); color: var(--banner-fg); padding: .4rem 1rem; font-weight: 600; text-align: center; font-size: .95rem; position: sticky; top: 0; z-index: 5; }
.cw-banner span { font-weight: 400; }

.cw-header { background: var(--surface); border-bottom: 1px solid var(--border-soft); }
.cw-header-inner { max-width: 1200px; margin: 0 auto; padding: .6rem 16px; display: flex; flex-wrap: wrap; gap: .75rem 1.25rem; align-items: center; }
.cw-brand { font-weight: 700; font-size: 1.1rem; color: var(--text); text-decoration: none; display: inline-flex; gap: .45rem; align-items: center; }
.cw-brand svg { width: 22px; height: 22px; }
.cw-nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .25rem .9rem; }
.cw-nav a[aria-current="page"] { font-weight: 700; text-decoration-thickness: 2px; }
.cw-userbox { margin-left: auto; display: flex; gap: .5rem; align-items: center; flex-wrap: wrap; font-size: .92rem; }
.cw-demo-tag { background: var(--neutral-bg); color: var(--neutral-fg); border-radius: 999px; padding: .05rem .5rem; font-size: .8rem; font-weight: 600; }

main { max-width: 1200px; margin: 0 auto; padding: 1.25rem 16px 3rem; }
.cw-footer { max-width: 1200px; margin: 0 auto; padding: 1rem 16px 2rem; color: var(--text-2); font-size: .88rem; border-top: 1px solid var(--border-soft); }

.cw-notice { border: 1px solid var(--border); background: var(--surface); border-left: 6px solid var(--accent); padding: .6rem .9rem; border-radius: var(--radius); margin: 0 0 1rem; }
.cw-card { background: var(--surface); border: 1px solid var(--border-soft); border-radius: var(--radius); padding: 1rem 1.1rem; box-shadow: var(--shadow); margin-bottom: 1rem; }
.cw-grid-2 { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 1rem; }
.cw-grid-tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: .9rem; margin-bottom: 1rem; }
@media (max-width: 860px) { .cw-grid-2 { grid-template-columns: minmax(0, 1fr); } }
.cw-muted { color: var(--text-2); }
.cw-row { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; }

/* buttons and forms */
.cw-btn { font: inherit; font-weight: 600; border-radius: 6px; padding: .45rem .9rem; border: 2px solid var(--accent); background: var(--accent); color: var(--accent-text); cursor: pointer; min-height: 44px; }
.cw-btn:hover { filter: brightness(1.08); }
.cw-btn--secondary { background: transparent; color: var(--link); }
.cw-btn--danger { background: var(--danger); border-color: var(--danger); color: var(--danger-text); }
.cw-btn[disabled] { opacity: .55; cursor: not-allowed; }
.cw-btn--small { min-height: 32px; padding: .2rem .6rem; font-size: .9rem; }
label { font-weight: 600; display: block; margin-bottom: .25rem; }
.cw-hint { font-weight: 400; color: var(--text-2); font-size: .9rem; }
input[type=text], input[type=date], select, textarea { font: inherit; color: var(--text); background: var(--surface); border: 1px solid var(--border); border-radius: 6px; padding: .45rem .55rem; width: 100%; min-height: 40px; }
textarea { min-height: 12rem; font-family: var(--font); line-height: 1.45; }
fieldset { border: 1px solid var(--border-soft); border-radius: var(--radius); padding: .75rem .9rem; margin: 0 0 .9rem; }
legend { font-weight: 700; padding: 0 .3rem; }
.cw-field-row { margin-bottom: .75rem; }

/* tables */
.cw-table-wrap { overflow-x: auto; border: 1px solid var(--border-soft); border-radius: var(--radius); background: var(--surface); }
.cw-table { width: 100%; border-collapse: collapse; font-size: .95rem; }
.cw-table caption { text-align: left; padding: .6rem .8rem; font-weight: 700; }
.cw-table th, .cw-table td { padding: .5rem .7rem; border-bottom: 1px solid var(--border-soft); text-align: left; vertical-align: top; }
.cw-table thead th { background: var(--surface-2); font-size: .85rem; text-transform: uppercase; letter-spacing: .03em; color: var(--text-2); }
.cw-table tbody tr:hover { background: var(--surface-2); }
.cw-num { text-align: right; font-variant-numeric: tabular-nums; }

/* badges */
.cw-badge { display: inline-flex; align-items: center; gap: .3rem; border-radius: 999px; padding: .1rem .55rem; font-size: .85rem; font-weight: 700; white-space: nowrap; border: 1px solid currentColor; }
.cw-badge-icon { font-size: .9em; }
.cw-badge--on_time { background: var(--ok-bg); color: var(--ok-fg); }
.cw-badge--at_risk { background: var(--risk-bg); color: var(--risk-fg); }
.cw-badge--breached { background: var(--bad-bg); color: var(--bad-fg); }
.cw-badge--neutral, .cw-badge--open, .cw-badge--snoozed { background: var(--neutral-bg); color: var(--neutral-fg); }
.cw-badge--approved { background: var(--ok-bg); color: var(--ok-fg); }
.cw-badge--rejected { background: var(--bad-bg); color: var(--bad-fg); }
.cw-clock-detail { display: block; font-size: .85rem; color: var(--text-2); margin-top: .15rem; }
.cw-flag { display: inline-block; background: var(--risk-bg); color: var(--risk-fg); border-radius: 4px; padding: 0 .35rem; font-size: .82rem; margin: .1rem .2rem 0 0; }

/* priority breakdown */
.cw-priority summary { cursor: pointer; font-variant-numeric: tabular-nums; font-weight: 700; }
.cw-priority table { font-size: .85rem; margin-top: .3rem; }

/* cited fields */
.cw-fields { display: grid; grid-template-columns: minmax(7rem, max-content) minmax(0, 1fr); gap: .4rem 1rem; margin: 0; }
.cw-fields dt { font-weight: 700; }
.cw-fields dd { margin: 0; }
.cw-cite-meta { font-size: .82rem; color: var(--text-2); }
.cw-cite-source { background: var(--surface-2); border-radius: 6px; padding: .5rem .7rem; white-space: pre-wrap; font-size: .9rem; margin-top: .3rem; }
.cw-cite-mark { background: var(--mark-bg); color: var(--mark-fg); padding: 0 .1rem; border-radius: 2px; outline: 1px solid currentColor; }
.cw-notfound { display: inline-flex; gap: .3rem; align-items: center; font-weight: 700; color: var(--bad-fg); background: var(--bad-bg); border-radius: 4px; padding: 0 .4rem; }
.cw-doc { background: var(--surface-2); border: 1px solid var(--border-soft); border-radius: 6px; padding: .8rem 1rem; white-space: pre-wrap; font-family: var(--mono); font-size: .86rem; max-height: 28rem; overflow: auto; }

/* metric tiles */
.cw-tile { background: var(--surface); border: 1px solid var(--border-soft); border-radius: var(--radius); padding: .8rem .9rem; }
.cw-tile--sim { border: 2px dashed var(--sim-bg); }
.cw-tile-name { font-size: .95rem; display: flex; gap: .4rem; flex-wrap: wrap; align-items: center; }
.cw-tile-value { font-size: 1.9rem; font-weight: 700; margin: .2rem 0; font-variant-numeric: tabular-nums; }
.cw-tile-sub { color: var(--text-2); font-size: .88rem; margin: 0; }
.cw-sim-badge { background: var(--sim-bg); color: var(--sim-fg); font-size: .75rem; font-weight: 800; letter-spacing: .06em; border-radius: 4px; padding: .05rem .4rem; }
.cw-obs-badge { background: var(--neutral-bg); color: var(--neutral-fg); font-size: .75rem; font-weight: 700; border-radius: 4px; padding: .05rem .4rem; }
.cw-sim-note { font-size: .85rem; border-left: 4px solid var(--sim-bg); padding-left: .5rem; margin: .5rem 0 0; }

/* charts */
.cw-figure { margin: 0 0 1rem; background: var(--surface); border: 1px solid var(--border-soft); border-radius: var(--radius); padding: .8rem; }
.cw-figure figcaption { font-weight: 700; margin-bottom: .4rem; }
.cw-chart { width: 100%; height: auto; display: block; }
.cw-chart .cw-grid { stroke: var(--grid); stroke-width: 1; }
.cw-chart .cw-axis { fill: var(--axis); font-size: 11px; font-family: var(--font); }
.cw-chart .cw-direct-label { fill: var(--text); font-size: 12px; font-weight: 600; font-family: var(--font); }
.cw-chart .cw-halo { paint-order: stroke; stroke: var(--surface); stroke-width: 4px; stroke-linejoin: round; }
.cw-chart .cw-target { stroke: var(--axis); stroke-dasharray: 2 3; stroke-width: 1; }
.cw-chart path.cw-series { stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.cw-chart .cw-series-1 { stroke: var(--series-1); }
.cw-chart .cw-series-2 { stroke: var(--series-2); }
.cw-chart .cw-series-3 { stroke: var(--series-3); }
.cw-chart path.cw-series--sim { stroke-dasharray: 6 4; }
.cw-chart circle.cw-dot { stroke: var(--surface); stroke-width: 2; }
.cw-chart circle.cw-series-1 { fill: var(--series-1); }
.cw-chart circle.cw-series-2 { fill: var(--series-2); }
.cw-chart circle.cw-series-3 { fill: var(--series-3); }
.cw-chart .cw-bar { fill: var(--series-1); stroke: var(--surface); stroke-width: 2; }
.cw-chart .cw-bar--sim { fill: var(--series-2); }
.cw-chart .cw-bar:hover, .cw-chart circle.cw-dot:hover { filter: brightness(1.15); }
.cw-legend { list-style: none; padding: 0; margin: .4rem 0 0; display: flex; gap: 1rem; flex-wrap: wrap; font-size: .9rem; }
.cw-swatch { display: inline-block; width: 18px; height: 4px; border-radius: 2px; margin-right: .35rem; vertical-align: middle; }
.cw-swatch-1 { background: var(--series-1); } .cw-swatch-2 { background: var(--series-2); } .cw-swatch-3 { background: var(--series-3); }
.cw-swatch--sim { background: repeating-linear-gradient(90deg, var(--series-2) 0 6px, transparent 6px 10px); }
.cw-chart-table summary { cursor: pointer; font-size: .9rem; margin-top: .4rem; }

/* audit */
.cw-hash { font-family: var(--mono); font-size: .8rem; }
.cw-chain-ok { color: var(--ok-fg); background: var(--ok-bg); }
.cw-chain-bad { color: var(--bad-fg); background: var(--bad-bg); }

/* draft editor */
.cw-actions { display: flex; gap: .5rem; flex-wrap: wrap; margin-top: .5rem; }
.cw-locked { border: 1px dashed var(--border); border-radius: var(--radius); padding: .75rem; background: var(--surface-2); }

@media (max-width: 560px) { .cw-fields { grid-template-columns: minmax(0, 1fr); } .cw-fields dd { margin-bottom: .4rem; } .cw-userbox { margin-left: 0; } }
@media (forced-colors: active) {
  .cw-badge, .cw-sim-badge, .cw-notfound, .cw-cite-mark { border: 1px solid CanvasText; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }
@media print { .cw-header, .cw-footer, .cw-actions, .cw-skip { display: none; } .cw-banner { position: static; } }

/* Calm shell: three navigation items, a "More" menu, one small persistent demonstration mark. */
.cw-demo-mark { background: var(--neutral-bg); color: var(--neutral-fg); border: 1px solid var(--border-soft); border-radius: 999px;
  padding: .05rem .6rem; font-size: .8rem; font-weight: 600; white-space: nowrap; }
.cw-header { position: sticky; top: 0; z-index: 5; }
.cw-nav { margin-left: auto; }
.cw-nav ul { align-items: center; }
.cw-nav > ul > li > a { display: inline-block; padding: .35rem .2rem; }
.cw-more { position: relative; }
.cw-more summary { cursor: pointer; padding: .35rem .2rem; color: var(--link); list-style: none; }
.cw-more summary::-webkit-details-marker { display: none; }
.cw-more summary::after { content: " ▾"; }
.cw-more-menu { position: absolute; right: 0; top: 100%; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: .4rem 0; min-width: 15rem; display: block !important; z-index: 20; }
.cw-more-menu li { display: block; }
.cw-more-menu a, .cw-more-menu .cw-linkbtn { display: block; padding: .4rem .9rem; text-align: left; width: 100%; }
.cw-linkbtn { background: none; border: 0; color: var(--link); font: inherit; cursor: pointer; text-decoration: underline; text-underline-offset: 2px; }
@media (max-width: 640px) { .cw-nav { margin-left: 0; width: 100%; } }