/* HEAT shared design system. One look for every page.
   Themes via html[data-theme] (set pre-paint by theme-init.js; default follows
   the system). Color-vision variant via html[data-vision="colorblind"]
   (Okabe-Ito accents; off by default). No state is ever color-only. */

html[data-theme="light"] {
  --cyan: #0099CC;
  --accent-ink: #007399;
  --fg: #1a1a1a; --muted: #4a4a4a; --bg: #fafaf7; --card-bg: #ffffff;
  --line: #d5d2cb; --line-strong: #767470;
  --err: #b3244a; --ok: #1c7a43;
  --warn-bg: #fdf3e3; --warn-line: #d9b96a;
  --btn-ink: #06222c;
}
html[data-theme="dark"] {
  --cyan: #01CCFF;
  --accent-ink: #4fd6ff;
  --fg: #e8e6df; --muted: #b3b0a6; --bg: #0f1419; --card-bg: #1a2129;
  --line: #3d454e; --line-strong: #6b7681;
  --err: #ff8fa8; --ok: #5fd39a;
  --warn-bg: #2a2314; --warn-line: #8a7434;
  --btn-ink: #06222c;
}
html[data-vision="colorblind"][data-theme="light"] {
  --cyan: #0072B2; --accent-ink: #005a8e;
  --err: #B24A00; --ok: #007a5e;
  --btn-ink: #ffffff;
}
html[data-vision="colorblind"][data-theme="dark"] {
  --cyan: #56B4E9; --accent-ink: #7cc4ee;
  --err: #E69F00; --ok: #66c2a4;
}

/* ---------- base ---------- */
* { box-sizing: border-box; margin: 0; }
html { scroll-padding-top: 16px; }
body {
  font-family: Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--bg); color: var(--fg);
  line-height: 1.55; font-size: 17px;
  padding-bottom: 76px; /* room for the floating flag button */
}
a { color: var(--accent-ink); text-decoration: underline; text-underline-offset: 2px; }
:focus-visible { outline: 3px solid #ffdd00; outline-offset: 2px; box-shadow: 0 0 0 6px #0b0c0c; border-radius: 4px; }
.skip { position: absolute; left: -9999px; top: 0; background: #ffdd00; color: #0b0c0c; padding: 10px 16px; font-weight: 700; z-index: 100; }
.skip:focus { left: 8px; top: 8px; }
.wrap { max-width: 920px; margin: 0 auto; padding: 0 20px; }
.wrap--narrow { max-width: 660px; }

/* ---------- banner + header ---------- */
.topbanner { background: var(--warn-bg); border-bottom: 1px solid var(--warn-line); padding: 8px 0; font-size: 0.88rem; }
header.site { padding: 10px 0; border-bottom: 1px solid var(--line); }
.headrow { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.brandmark { font-weight: 800; letter-spacing: 0.04em; color: var(--cyan); font-size: 1.2rem; text-decoration: none; }
.brandname { color: var(--muted); font-size: 0.85rem; margin-right: auto; }
.prefs { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.prefs fieldset { border: 0; padding: 0; display: flex; align-items: center; }
.prefs legend { position: absolute; left: -9999px; }
.seg { display: inline-flex; border: 1px solid var(--line-strong); border-radius: 10px; overflow: hidden; }
.seg label { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 12px; cursor: pointer; font-size: 0.82rem; color: var(--muted); position: relative; }
.seg label + label { border-left: 1px solid var(--line); }
.seg input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.seg input:checked + span { color: var(--fg); font-weight: 700; }
.seg label:has(input:checked) { background: var(--card-bg); box-shadow: inset 0 -3px 0 var(--cyan); }
.seg input:focus-visible + span { outline: 3px solid #ffdd00; outline-offset: 6px; }
.cbtoggle { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 0 14px; border: 1px solid var(--line-strong); border-radius: 10px; background: transparent; color: var(--muted); font-size: 0.82rem; cursor: pointer; }
.cbtoggle[aria-pressed="true"] { color: var(--fg); font-weight: 700; background: var(--card-bg); box-shadow: inset 0 -3px 0 var(--cyan); }
.cbtoggle .dot::before { content: "○ "; }
.cbtoggle[aria-pressed="true"] .dot::before { content: "● "; }

/* ---------- content ---------- */
.card { background: var(--card-bg); border: 1px solid var(--line); border-radius: 12px; padding: 20px; margin-bottom: 14px; }
h1 { font-size: 1.35rem; line-height: 1.3; margin-bottom: 10px; }
h1:focus { outline: none; }
h2 { font-size: 1.1rem; margin-bottom: 10px; font-weight: 680; }
h3 { font-size: 0.98rem; margin: 10px 0 4px; }
p { margin-bottom: 10px; }
ul, ol { padding-left: 20px; margin-bottom: 10px; }
li { margin-bottom: 5px; font-size: 0.93rem; }
.caption { color: var(--muted); font-size: 0.85rem; letter-spacing: 0.03em; margin-bottom: 4px; display: block; }
.help { color: var(--muted); font-size: 0.92rem; }
.warn { background: var(--warn-bg); border: 1px solid var(--warn-line); border-radius: 8px; padding: 10px 12px; font-size: 0.92rem; }
.backlink { display: inline-block; margin: 6px 0 10px; color: var(--accent-ink); background: none; border: none; font: inherit; font-size: 0.92rem; cursor: pointer; text-decoration: underline; text-underline-offset: 2px; padding: 10px 10px 10px 0; }

/* ---------- buttons ---------- */
button { font: inherit; cursor: pointer; border-radius: 10px; border: 1px solid var(--line-strong); }
.primary { display: block; width: 100%; min-height: 54px; padding: 13px; margin-top: 18px; background: var(--cyan); color: var(--btn-ink); font-weight: 700; border: none; font-size: 1.05rem; }
.primary:hover { opacity: 0.92; }
.secondary { display: block; width: 100%; min-height: 48px; padding: 11px; margin-top: 10px; background: transparent; color: var(--fg); font-size: 0.95rem; }
.cta { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 12px 24px; background: var(--cyan); color: var(--btn-ink); font-weight: 700; border-radius: 10px; font-size: 0.98rem; text-decoration: none; }
.cta:hover { opacity: 0.92; text-decoration: none; }

/* ---------- forms (assessment) ---------- */
.radios { display: grid; gap: 10px; margin: 14px 0 4px; }
.radio { display: flex; align-items: center; gap: 14px; min-height: 56px; padding: 8px 14px; border: 2px solid var(--line-strong); border-radius: 10px; cursor: pointer; background: var(--bg); }
.radio input { width: 26px; height: 26px; flex-shrink: 0; accent-color: var(--cyan); margin: 0; cursor: pointer; }
.radio span { font-size: 1rem; }
.radio:has(input:checked) { border-color: var(--cyan); border-width: 3px; padding: 7px 13px; background: var(--card-bg); }
.radio:hover { border-color: var(--cyan); }
.ordivider { color: var(--muted); font-size: 0.9rem; padding-left: 4px; font-weight: 700; }
.numrow { display: flex; gap: 12px; margin: 14px 0 4px; }
.numgroup { display: flex; flex-direction: column; gap: 4px; }
.numgroup label { font-size: 0.9rem; color: var(--muted); }
.textinput { padding: 12px; font: inherit; font-size: 1.05rem; border-radius: 8px; border: 2px solid var(--line-strong); background: var(--bg); color: var(--fg); min-height: 52px; }
.textinput.w4 { width: 7ch; } .textinput.w2 { width: 5ch; } .textinput.w6 { width: 10ch; }
.textinput[aria-invalid="true"] { border-color: var(--err); }
.errorsummary { border: 4px solid var(--err); border-radius: 10px; padding: 14px 16px; margin-bottom: 14px; }
.errorsummary h2 { color: var(--err); margin-bottom: 6px; }
.errorsummary a { color: var(--err); font-weight: 650; }
.fielderror { color: var(--err); font-weight: 650; font-size: 0.95rem; margin: 8px 0 0; border-left: 4px solid var(--err); padding-left: 10px; }
.sumrow { display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; padding: 12px 0; border-bottom: 1px solid var(--line); align-items: start; }
.sumrow dt { font-size: 0.9rem; color: var(--muted); grid-column: 1; }
.sumrow dd { font-size: 0.98rem; grid-column: 1; margin: 0; }
.sumrow .change { grid-column: 2; grid-row: 1 / span 2; align-self: center; background: none; border: none; color: var(--accent-ink); text-decoration: underline; text-underline-offset: 2px; font-size: 0.92rem; min-height: 44px; min-width: 60px; }

/* ---------- results ---------- */
.chip { display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px; border-radius: 999px; font-size: 0.95rem; font-weight: 650; margin-bottom: 10px; border: 2px solid var(--line-strong); }
.chip::before { font-weight: 800; }
.chip.ok { color: var(--ok); border-color: var(--ok); } .chip.ok::before { content: "✓"; }
.chip.info { color: var(--accent-ink); border-color: var(--accent-ink); } .chip.info::before { content: "●"; }
.chip.alert { color: var(--err); border-color: var(--err); } .chip.alert::before { content: "!"; }
.chip.neutral { color: var(--muted); } .chip.neutral::before { content: "○"; }
.opt { border-top: 1px solid var(--line); padding-top: 10px; margin-top: 10px; }
details summary { cursor: pointer; color: var(--accent-ink); font-size: 0.92rem; margin-bottom: 8px; min-height: 44px; display: flex; align-items: center; }

/* ---------- client card (chart header) ---------- */
.samplebanner { border: 2px dashed var(--line-strong); }
.samplebanner h1::before { content: "◉ "; color: var(--accent-ink); }
.cardhead { border-top: 4px solid var(--cyan); }
.cardhead__top { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.cardhead__top h1 { margin-bottom: 4px; }
.cardhead__meta { display: flex; gap: 10px; align-items: center; color: var(--muted); font-size: 0.85rem; }
.modechip { border: 1px solid var(--line-strong); border-radius: 999px; padding: 3px 10px; font-weight: 650; color: var(--fg); }
.sbar { margin: 14px 0; }
.sbar__h { font-size: 0.78rem; color: var(--muted); letter-spacing: 0.06em; text-transform: uppercase; border-bottom: 1px solid var(--line); padding-bottom: 4px; margin-bottom: 8px; }
.sbar__lede { font-size: 1.12rem; font-weight: 650; line-height: 1.45; }
.iaband { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; border-radius: 10px; padding: 12px 14px; margin: 14px 0; border: 2px solid; }
.iaband--ok { border-color: var(--ok); color: var(--ok); background: color-mix(in srgb, var(--ok) 8%, transparent); }
.iaband--ok::before { content: "✓"; font-weight: 800; }
.iaband--alert { border-color: var(--err); color: var(--err); background: color-mix(in srgb, var(--err) 10%, transparent); }
.iaband--alert::before { content: "!"; font-weight: 800; }
.iaband__label { font-size: 0.78rem; letter-spacing: 0.06em; text-transform: uppercase; opacity: 0.85; }
.iaband strong { font-size: 1.02rem; }
.arow { margin-bottom: 12px; }
.arow__head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 2px; }
.arow__name { font-weight: 650; font-size: 0.95rem; }
.arow .chip { margin-bottom: 0; font-size: 0.88rem; padding: 4px 10px; }
.steps { padding-left: 22px; }
.steps li { font-size: 0.95rem; margin-bottom: 8px; }
.confnote { border-top: 1px dashed var(--line); padding-top: 8px; margin-top: 4px; }
.flagchips { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0; }
.flagchip { border: 1px solid var(--line-strong); border-radius: 999px; padding: 4px 12px; font-size: 0.85rem; color: var(--fg); background: var(--bg); }

/* ---------- contextual + floating flags ---------- */
.flagline { margin-top: 16px; font-size: 0.85rem; }
.gd-flag-trigger { min-height: 44px; display: inline-flex; align-items: center; }
.flagfab {
  position: fixed; left: 14px; bottom: 14px; z-index: 900;
  display: inline-flex; align-items: center; gap: 8px;
  min-height: 48px; padding: 0 18px;
  background: var(--card-bg); color: var(--fg);
  border: 2px solid var(--line-strong); border-radius: 999px;
  font-size: 0.9rem; font-weight: 650; cursor: pointer;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
  text-decoration: none;
}
.flagfab:hover { border-color: var(--cyan); }
.flagfab .glyph { color: var(--err); font-size: 1.05rem; }

/* ---------- footer ---------- */
footer.site { border-top: 1px solid var(--line); padding: 22px 0 30px; margin-top: 26px; font-size: 0.85rem; color: var(--muted); }
footer.site nav { display: flex; gap: 18px; flex-wrap: wrap; margin-bottom: 8px; }
.ver { font-variant-numeric: tabular-nums; }

/* ---------- landing extras ---------- */
.hero { padding: 46px 0 20px; }
.hero h1 { font-size: clamp(1.7rem, 4.5vw, 2.4rem); max-width: 780px; }
.hero h1 em { color: var(--cyan); font-style: normal; }
.hero .lede { margin-top: 14px; max-width: 700px; color: var(--muted); font-size: 1.05rem; }
.badge { display: inline-block; margin-top: 18px; padding: 6px 12px; border: 1px solid var(--line); border-radius: 999px; font-size: 0.85rem; color: var(--muted); background: var(--card-bg); }
.badge b { color: var(--accent-ink); font-weight: 650; }
.cardgrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; }
.cardgrid .card { margin-bottom: 0; }
.cardgrid h3 { margin-top: 0; }
.cardgrid h3 .n { color: var(--cyan); margin-right: 8px; }
.plist { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 10px 28px; }
.plist li { font-size: 0.95rem; padding-left: 20px; position: relative; }
.plist li::before { content: "◆"; color: var(--cyan); position: absolute; left: 0; font-size: 0.7rem; top: 5px; }
.phaserow { display: flex; gap: 12px; align-items: baseline; font-size: 0.95rem; margin-bottom: 10px; }
.phase { flex-shrink: 0; width: 84px; font-weight: 650; color: var(--accent-ink); font-size: 0.85rem; }

/* ---------- media ---------- */
@media (prefers-contrast: more) {
  .card, .radio, .textinput, .seg, .cbtoggle { border-width: 3px; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}
@media print {
  .noprint, header.site, .topbanner, footer.site, .prefs, .flagline, .flagfab { display: none !important; }
  body { background: #fff; color: #000; padding-bottom: 0; }
  .card { border: 1px solid #999; }
}