:root{
  --paper:#F8F2E8;
  --surface:#EFE4D3;
  --surface-2:#F5ECDF;
  --ink:#46392C;
  --ink-soft:#9C8A70;
  --navy:#AF7856;
  --navy-deep:#55392A;
  --monitor:#9C8058;
  --monitor-soft:#F1E9D9;
  --line:rgba(59,49,38,0.14);
  --line-strong:rgba(59,49,38,0.28);
  --card-shadow:0 1px 2px rgba(59,49,38,0.08), 0 12px 28px -16px rgba(59,49,38,0.28);
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --paper:#221A13;
    --surface:#34281C;
    --surface-2:#2B2116;
    --ink:#F2E7D8;
    --ink-soft:#C9B79C;
    --navy:#D9A182;
    --navy-deep:#140D08;
    --monitor:#C7A876;
    --monitor-soft:#3A2E1E;
    --line:rgba(242,231,216,0.14);
    --line-strong:rgba(242,231,216,0.26);
    --card-shadow:0 1px 2px rgba(0,0,0,0.3), 0 16px 34px -18px rgba(0,0,0,0.6);
  }
}
:root[data-theme="dark"]{
  --paper:#221A13;
  --surface:#34281C;
  --surface-2:#2B2116;
  --ink:#F2E7D8;
  --ink-soft:#C9B79C;
  --navy:#D9A182;
  --navy-deep:#140D08;
  --monitor:#C7A876;
  --monitor-soft:#3A2E1E;
  --line:rgba(242,231,216,0.14);
  --line-strong:rgba(242,231,216,0.26);
  --card-shadow:0 1px 2px rgba(0,0,0,0.3), 0 16px 34px -18px rgba(0,0,0,0.6);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Work Sans", ui-sans-serif, system-ui, sans-serif;
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{
  font-family:"Fraunces", Georgia, serif;
  font-weight:600;
  text-wrap:balance;
  margin:0;
  letter-spacing:-0.01em;
}
.wrap{ max-width:1180px; margin-inline:auto; padding-inline:24px; }

/* ---------- Nav ---------- */
.nav{
  position:sticky; top:0; z-index:40;
  background:color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  max-width:1180px; margin-inline:auto; padding-inline:24px;
  display:flex; align-items:center; justify-content:space-between;
  height:72px;
}
.wordmark{
  font-family:"Bodoni Moda", Georgia, serif; font-weight:600; font-size:1.15rem;
  letter-spacing:-0.01em; text-decoration:none; color:var(--navy);
}
.wordmark em{ font-style:normal; color:var(--navy); }
.nav-cta{
  display:inline-flex; align-items:center; gap:8px;
  background:#FAF6EC; color:var(--ink);
  border:1px solid var(--line-strong);
  font-weight:600; font-size:0.86rem;
  padding:9px 17px; border-radius:999px; text-decoration:none;
  white-space:nowrap;
  transition:opacity .15s ease;
}
.nav-cta:hover{ opacity:0.88; }

/* ---------- Page header ---------- */
.page-hero{ padding-block:clamp(48px,8vw,88px) clamp(32px,6vw,56px); }
.page-hero .eyebrow{
  font-family:"IBM Plex Mono", ui-monospace, monospace;
  font-size:0.72rem; letter-spacing:0.14em; text-transform:uppercase;
  color:var(--monitor); font-weight:500;
}
.page-hero h1{
  font-size:clamp(1.9rem, 4vw, 2.8rem);
  font-style:italic;
  color:var(--navy);
  margin-top:14px;
  max-width:20ch;
}
.page-hero p{ color:var(--ink-soft); margin-top:16px; max-width:60ch; font-size:1.02rem; }

/* ---------- Button grid ---------- */
.topic-grid{
  display:grid; grid-template-columns:repeat(5, 1fr); gap:16px;
  padding-block:8px clamp(48px,8vw,88px);
}
.topic-btn{
  display:flex; align-items:center; justify-content:center; text-align:center;
  min-height:88px; padding:16px 14px; border-radius:16px;
  background:var(--navy); color:var(--paper);
  font-weight:600; font-size:0.92rem; line-height:1.3;
  text-decoration:none; border:1px solid transparent;
  transition:opacity .15s ease, transform .15s ease;
}
.topic-btn:hover{ opacity:0.9; transform:translateY(-1px); }
.topic-btn.is-empty{
  background:transparent; color:var(--ink-soft);
  border:1px dashed var(--line-strong);
  font-weight:500; font-size:0.8rem;
  cursor:default; pointer-events:none;
}
@media (max-width:900px){
  .topic-grid{ grid-template-columns:repeat(3, 1fr); }
}
@media (max-width:600px){
  .topic-grid{ grid-template-columns:repeat(2, 1fr); }
  .nav-inner{ padding-inline:16px; }
  .wordmark{ font-size:1rem; }
  .nav-cta{ padding:9px 14px; font-size:0.78rem; }
}

/* ---------- Topic placeholder page ---------- */
.topic-content{ padding-block:clamp(32px,6vw,56px) clamp(64px,10vw,120px); }
.topic-content .placeholder{
  border:1px dashed var(--line-strong); border-radius:18px;
  padding:clamp(32px,6vw,56px); color:var(--ink-soft); font-size:1rem;
}

/* ---------- Topic article page (full content) ---------- */
.article-section{ padding-block:clamp(28px,5vw,44px); }
.article-section:first-of-type{ padding-top:0; }
.article-section h2{ font-size:1.5rem; color:var(--navy); margin-bottom:14px; }
.article-section > p{ color:var(--ink); margin:0 0 14px; max-width:74ch; }
.article-section > p:last-child{ margin-bottom:0; }
.article-lede{ color:var(--ink-soft); font-size:1.02rem; max-width:70ch; }
.info-list{ display:grid; gap:20px; margin-top:22px; }
.info-item{ padding-left:20px; border-left:2px solid var(--line-strong); }
.info-item-lead{ margin:0; color:var(--navy); font-weight:600; font-size:1rem; }
.info-item-body{ margin:5px 0 0; color:var(--ink); font-size:0.95rem; line-height:1.6; max-width:70ch; }
.article-table-wrap{ overflow-x:auto; margin-top:6px; }
.calc-table.mgmt-table th:first-child, .calc-table.mgmt-table td:first-child{ color:var(--navy); font-weight:600; white-space:nowrap; }
.calc-table.mgmt-table td{ vertical-align:top; }

/* ---------- Tool grid (calculator hub) ---------- */
.tool-grid{
  display:grid; grid-template-columns:1fr 1fr; gap:20px;
  padding-block:8px clamp(48px,8vw,88px);
}
.tool-card{
  display:flex; flex-direction:column; gap:10px;
  background:var(--surface-2); border:1px solid var(--line); border-radius:18px;
  padding:26px 26px 24px; text-decoration:none; color:var(--ink);
  transition:transform .15s ease, box-shadow .15s ease;
}
.tool-card:hover{ transform:translateY(-2px); box-shadow:var(--card-shadow); }
.tool-card h3{ font-size:1.15rem; color:var(--navy); font-style:italic; }
.tool-card p{ color:var(--ink-soft); font-size:0.92rem; margin:0; }
.tool-card .tool-tag{
  font-family:"IBM Plex Mono", ui-monospace, monospace; font-size:0.68rem;
  letter-spacing:0.1em; text-transform:uppercase; color:var(--monitor); font-weight:500;
}
.tool-card.is-external .tool-tag{ color:var(--ink-soft); }
@media (max-width:700px){
  .tool-grid{ grid-template-columns:1fr; }
}

/* ---------- Calculator forms ---------- */
.calc-section{ padding-block:8px clamp(48px,8vw,88px); }
.calc-card{
  background:var(--surface-2); border:1px solid var(--line); border-radius:20px;
  padding:clamp(22px,4vw,34px); margin-bottom:24px;
}
.calc-card h2{ font-size:1.2rem; color:var(--navy); margin-bottom:4px; }
.calc-card .calc-sub{ color:var(--ink-soft); font-size:0.9rem; margin-bottom:18px; }
.calc-row{ display:flex; flex-wrap:wrap; gap:16px; margin-bottom:16px; }
.calc-field{ display:flex; flex-direction:column; gap:6px; flex:1 1 180px; min-width:150px; }
.calc-field label{ font-size:0.82rem; font-weight:600; color:var(--ink); }
.calc-field .calc-hint{ font-size:0.76rem; color:var(--ink-soft); font-weight:400; }
.calc-field input, .calc-field select{
  font:inherit; font-size:0.98rem; padding:11px 14px; border-radius:10px;
  border:1px solid var(--line-strong); background:var(--paper); color:var(--ink);
  width:100%;
}
.calc-field input:focus, .calc-field select:focus{ outline:2px solid var(--monitor); outline-offset:1px; }
.calc-radio-row{ display:flex; flex-wrap:wrap; gap:10px; }
.calc-radio{
  display:inline-flex; align-items:center; gap:7px;
  border:1px solid var(--line-strong); border-radius:999px; padding:9px 16px;
  font-size:0.86rem; font-weight:500; cursor:pointer; background:var(--paper);
}
.calc-radio input{ accent-color:var(--navy); margin:0; }
.calc-actions{ display:flex; gap:12px; flex-wrap:wrap; margin-top:6px; }
.calc-btn{
  display:inline-flex; align-items:center; justify-content:center;
  background:var(--navy); color:var(--paper); font-weight:600; font-size:0.94rem;
  padding:12px 26px; border-radius:999px; border:none; cursor:pointer;
  transition:opacity .15s ease;
}
.calc-btn:hover{ opacity:0.88; }
.calc-btn.is-ghost{ background:transparent; color:var(--ink); border:1px solid var(--line-strong); }
.calc-result{
  margin-top:22px; padding-top:20px; border-top:1px dashed var(--line-strong);
  display:none;
}
.calc-result.is-visible{ display:block; }
.calc-result-headline{ font-family:"Fraunces", serif; font-size:1.5rem; color:var(--navy); font-weight:600; }
.calc-result-sub{ color:var(--ink-soft); font-size:0.92rem; margin-top:4px; }
.calc-result-grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(140px,1fr)); gap:14px; margin-top:18px; }
.calc-stat{ background:var(--paper); border:1px solid var(--line); border-radius:12px; padding:14px 16px; }
.calc-stat .calc-stat-label{ font-family:"IBM Plex Mono", monospace; font-size:0.66rem; letter-spacing:0.08em; text-transform:uppercase; color:var(--ink-soft); }
.calc-stat .calc-stat-value{ font-family:"Fraunces", serif; font-size:1.15rem; font-weight:600; margin-top:4px; }
.calc-table{ width:100%; border-collapse:collapse; margin-top:16px; font-size:0.9rem; }
.calc-table th, .calc-table td{ text-align:left; padding:9px 10px; border-bottom:1px solid var(--line); }
.calc-table th{ font-family:"IBM Plex Mono", monospace; font-size:0.68rem; letter-spacing:0.06em; text-transform:uppercase; color:var(--ink-soft); font-weight:600; }
.calc-note{
  background:var(--paper); border:1px solid var(--line-strong); border-radius:14px;
  padding:16px 18px; font-size:0.84rem; color:var(--ink-soft); line-height:1.55; margin-top:18px;
}
.calc-note strong{ color:var(--ink); }
.calc-source{ font-size:0.76rem; color:var(--ink-soft); margin-top:10px; }
.calc-source a{ color:var(--monitor); }
.calc-error{ color:var(--navy); font-size:0.86rem; margin-top:10px; display:none; }
.calc-error.is-visible{ display:block; }
.calc-flag{ display:inline-block; font-weight:600; padding:3px 10px; border-radius:999px; font-size:0.76rem; margin-left:8px; }
.calc-flag.ok{ background:var(--monitor-soft); color:var(--monitor); }
.calc-flag.watch{ background:#F3CEB3; color:var(--navy); }

/* ---------- Interactive risk chart (hover/drag curve) ---------- */
.risk-chart-readout{
  display:flex; align-items:baseline; flex-wrap:wrap; gap:8px 10px;
  margin-top:20px; margin-bottom:10px;
}
.risk-chart-readout .rc-week{
  font-family:"IBM Plex Mono", monospace; font-size:0.76rem; letter-spacing:0.08em;
  text-transform:uppercase; color:var(--ink-soft); border:1px solid var(--line-strong);
  padding:4px 10px; border-radius:999px;
}
.risk-chart-readout .rc-value{ font-family:"Fraunces", serif; font-size:1.7rem; font-weight:600; color:var(--navy); }
.risk-chart-readout .rc-caption{ color:var(--ink-soft); font-size:0.86rem; }
.risk-chart-svg-box{
  background:var(--paper); border:1px solid var(--line); border-radius:14px;
  padding:10px 6px 2px;
}
.risk-chart-svg-box:focus-visible{ outline:2px solid var(--monitor); outline-offset:2px; }
.risk-chart-hint{ font-size:0.78rem; color:var(--ink-soft); margin-top:10px; }
.risk-table-details{ margin-top:18px; }
.risk-table-details summary{ cursor:pointer; font-size:0.86rem; font-weight:600; color:var(--navy); }
.risk-table-details table{ margin-top:10px; }
.risk-table-scroll{ max-height:340px; overflow-y:auto; border:1px solid var(--line); border-radius:10px; }
.risk-table-scroll table{ margin-top:0; }
.risk-table-scroll thead th{ position:sticky; top:0; background:var(--surface-2); }

/* ---------- Patient form ---------- */
.patient-form{ max-width:840px; }
.form-hp{ position:absolute; left:-9999px; top:auto; width:1px; height:1px; overflow:hidden; }
.form-grid{
  display:grid; grid-template-columns:1fr 1fr; gap:20px 24px; margin-bottom:28px;
}
.form-field{ display:flex; flex-direction:column; gap:8px; }
.form-field--full{ grid-column:1 / -1; }
.form-field label{ font-size:0.88rem; font-weight:600; color:var(--ink); }
.form-field label span[aria-hidden]{ color:var(--navy); margin-left:2px; }
.form-field input, .form-field select, .form-field textarea{
  font:inherit; font-size:0.95rem; padding:12px 14px; border-radius:10px;
  border:1px solid var(--line-strong); background:var(--paper); color:var(--ink);
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus{
  outline:2px solid var(--monitor); outline-offset:1px; border-color:var(--monitor);
}
.form-field textarea{ resize:vertical; min-height:96px; font-family:inherit; }
.form-section{ padding-top:36px; margin-top:32px; border-top:1px solid var(--line); }
.form-section:first-of-type{ padding-top:0; margin-top:0; border-top:none; }
.form-section h3{ font-size:1.1rem; color:var(--navy); margin-bottom:18px; }
.form-hint{ font-size:0.85rem; color:var(--ink-soft); margin:-8px 0 18px; }
.radio-group{ display:flex; gap:22px; flex-wrap:wrap; padding-top:2px; }
.radio-option{ display:flex; align-items:center; gap:8px; font-size:0.95rem; font-weight:500; color:var(--ink); }
.radio-option input{ width:auto; accent-color:var(--monitor); }
#insurance-conditional{ padding:18px 18px 4px; margin-top:4px; background:var(--surface-2); border-radius:12px; border:1px solid var(--line); }
.consent-group{ display:grid; gap:16px; }
.consent-item{
  display:flex; gap:12px; align-items:flex-start; font-size:0.92rem; color:var(--ink);
  line-height:1.55; cursor:pointer;
}
.consent-item input{ width:auto; margin-top:4px; accent-color:var(--monitor); flex-shrink:0; }
@media (max-width:700px){
  .form-grid{ grid-template-columns:1fr; }
}

/* ---------- Footer ---------- */
.simple-footer{
  border-top:1px solid var(--line); padding-block:32px; margin-top:24px;
  color:var(--ink-soft); font-size:0.85rem;
}