/* Same family as bls, sand and canvas.saderra.com: midnight surfaces, warm amber accent. */
:root {
  color-scheme: dark;
  --page: #0b0d12;
  --panel: #12151c;
  --raised: #1a1e27;
  --line: rgba(255, 255, 255, 0.07);
  --line-strong: rgba(255, 255, 255, 0.14);
  --ink: #f3efe8;
  --muted: #b4b9c7;
  --accent: #f2b56b;
  --accent-soft: rgba(242, 181, 107, 0.14);
  --accent-ink: #1d1408;
  --radius: 16px;
  --sans: "DM Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  font-family: var(--sans);
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body { color: var(--ink); background: var(--page); -webkit-font-smoothing: antialiased; }
a { color: var(--accent); }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link { position: absolute; left: 12px; top: -60px; z-index: 100; padding: 10px 16px; border-radius: 10px; background: var(--accent); color: var(--accent-ink); font-weight: 600; text-decoration: none; }
.skip-link:focus { top: 12px; }

/* The logo: the Saderra mark and wordmark, a divider, then LIBRARY in amber (as on BLS, Sand and Canvas). */
.logo-svg { display: block; width: 100%; height: auto; }
.logo-svg .suffix { font-family: var(--sans); font-size: 32px; font-weight: 400; letter-spacing: 0.02em; fill: #f2b56b; }

/* ---- Buttons ------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font: inherit; font-size: 15px; border-radius: 10px; border: 1px solid var(--line-strong);
  background: transparent; color: var(--ink); padding: 8px 14px; cursor: pointer; white-space: nowrap; text-decoration: none;
  transition: background 0.15s, border-color 0.15s;
}
.btn:hover { background: rgba(255, 255, 255, 0.05); border-color: rgba(255, 255, 255, 0.24); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 600; }
.btn.primary:hover { background: #f6c486; }
.btn svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

/* ---- Home ------------------------------------------------------------------ */
.home { max-width: 760px; margin: 0 auto; padding: 12vh 16px 48px; text-align: center; }
.home .td-home { margin-bottom: 36px; }
.home h1.logo { margin: 0; line-height: 0; width: min(370px, 82vw); }
.home .lead { color: var(--muted); font-size: 18px; line-height: 1.6; margin: 0 auto 48px; max-width: 560px; }
.shelf { text-align: left; }
.shelf h2 { font-size: 13px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); font-weight: 600; margin: 0 0 14px; }
.entries { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.entry {
  display: block; padding: 22px 24px; text-decoration: none; color: inherit;
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  transition: border-color 0.15s, background 0.15s;
}
.entry:hover { border-color: var(--accent); background: var(--accent-soft); }
.entry-title { display: block; font-family: var(--serif); font-weight: 400; font-size: 26px; line-height: 1.2; color: var(--ink); }
.entry-desc { display: block; margin-top: 8px; font-size: 15px; line-height: 1.55; color: var(--muted); }
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; padding: 0; list-style: none; }
.tags li { font-size: 12px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--accent); background: var(--accent-soft); padding: 4px 9px; border-radius: 6px; }
.home-foot { margin-top: 56px; font-size: 13px; color: var(--muted); }
.home-foot a { color: var(--muted); }

/* ---- Top bar on reading pages ------------------------------------------------- */
.bar {
  display: flex; align-items: center; gap: 12px 16px; flex-wrap: wrap;
  padding: 10px 16px; border-bottom: 1px solid var(--line); background: var(--panel);
}
.bar .brand { display: block; line-height: 0; width: 160px; }
.bar-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-left: auto; }

/* ---- A script ------------------------------------------------------------------ */
.doc { max-width: 720px; margin: 0 auto; padding: 7vh 20px 80px; line-height: 1.65; }
.back { color: var(--muted); font-size: 14px; text-decoration: none; }
.back:hover { color: var(--ink); }
.doc h1 { font-family: var(--serif); font-size: clamp(36px, 6vw, 56px); font-weight: 300; line-height: 1.05; margin: 24px 0 12px; }
.doc h1 em { color: var(--accent); font-style: italic; }
.doc .summary { font-size: 19px; color: var(--muted); margin: 0; }
.facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; margin: 32px 0 0; padding: 0; background: var(--line); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.facts div { padding: 14px 16px; background: var(--panel); }
.facts dt { font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); font-weight: 600; }
.facts dd { margin: 4px 0 0; font-size: 15px; }

.prep { margin: 32px 0 0; padding: 22px 24px; border-radius: 12px; background: var(--raised); border: 1px solid var(--line); }
.prep h2 { margin: 0 0 10px; font-size: 13px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); font-weight: 600; }
.prep ul { margin: 0; padding-left: 20px; color: var(--muted); }
.prep li + li { margin-top: 6px; }
.prep strong { color: var(--ink); font-weight: 600; }

.key { display: flex; flex-wrap: wrap; gap: 8px 20px; margin: 28px 0 0; font-size: 14px; color: var(--muted); }
.key span { display: inline-flex; align-items: center; gap: 8px; }

.step { margin-top: 56px; }
.step-head { display: flex; align-items: baseline; gap: 14px; padding-bottom: 12px; border-bottom: 1px solid var(--line-strong); margin-bottom: 20px; }
.step-num { font-size: 14px; font-weight: 600; color: var(--accent); font-variant-numeric: tabular-nums; }
.step h2 { margin: 0; font-family: var(--serif); font-weight: 400; font-size: 28px; line-height: 1.2; }
.step h2 .optional { font-family: var(--sans); font-size: 13px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin-left: 6px; vertical-align: middle; }

/* What the clinician says, and what they do */
.say, .do { position: relative; margin: 16px 0 0; padding: 16px 20px 16px 20px; border-radius: 12px; }
.say { background: var(--panel); border: 1px solid var(--line); border-left: 3px solid var(--accent); font-size: 19px; line-height: 1.6; }
.say p { margin: 0; }
.say p + p { margin-top: 12px; }
.do { color: var(--muted); font-size: 16px; padding-top: 4px; padding-bottom: 4px; }
.do p { margin: 0; }
.role { display: block; margin-bottom: 6px; font-family: var(--sans); font-size: 12px; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; }
.say .role { color: var(--accent); }
.do .role { color: var(--muted); }
.pause { font-style: italic; color: var(--muted); font-size: 0.9em; white-space: nowrap; }

/* Lines for the clinician's notes. Printed only. */
.notes { display: none; }

.source { margin-top: 64px; padding-top: 20px; border-top: 1px solid var(--line); font-size: 14px; color: var(--muted); }
.source p { margin: 0; }
.source p + p { margin-top: 8px; }

.bls-link { display: flex; align-items: center; justify-content: space-between; gap: 16px 24px; flex-wrap: wrap; margin-top: 40px; padding: 20px 24px; border-radius: var(--radius); background: var(--accent-soft); border: 1px solid rgba(242, 181, 107, 0.35); }
.bls-link p { margin: 0; max-width: 440px; }
.bls-link strong { color: var(--accent); }

@media (max-width: 640px) {
  .facts { grid-template-columns: 1fr; }
  .say { font-size: 18px; }
  .bar .brand { width: 140px; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }

/* ---- Print: black on white, no chrome, with lines for notes ------------------ */
.print-source { display: none; }
@media print {
  :root {
    color-scheme: light; --page: #fff; --panel: #fff; --raised: #fff; --ink: #111; --muted: #444;
    --accent: #111; --accent-soft: transparent; --line: #bbb; --line-strong: #888;
  }
  body { background: #fff; color: #111; }
  .bar, .skip-link, .back, .bls-link { display: none !important; }
  .print-source { display: block; margin: 0 0 18px; font-size: 12px; color: #444; }
  .doc { max-width: none; padding: 0; }
  .facts { background: #bbb; }
  .say { border-left: 3px solid #111; }
  .step { margin-top: 28px; }
  .step-head { break-after: avoid; }
  .say, .do { break-inside: avoid; }
  .notes { display: block; margin-top: 14px; }
  .notes span { display: block; height: 26px; border-bottom: 1px solid #999; }
  a { color: #111; text-decoration: none; }
}

/* ---- Sign-in (the same panel as on the tools) --------------------------------- */
input[type=text], input[type=email] {
  font: inherit; font-size: 15px; padding: 9px 12px; border: 1px solid var(--line-strong); border-radius: 10px;
  background: var(--raised); color: var(--ink); width: 100%;
}
input::placeholder { color: var(--muted); }
@media (pointer: coarse) { input[type=text], input[type=email] { font-size: 16px; } }
.hint { font-size: 15px; color: var(--muted); line-height: 1.5; margin: 0 0 18px; }
.error { color: #e2735a; font-size: 14px; margin: 14px 0 0; }
.check { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--muted); cursor: pointer; margin-top: 14px; }
.check input { accent-color: var(--accent); width: 16px; height: 16px; margin: 0; }
.field-label { display: block; font-size: 14px; color: var(--muted); margin: 0 0 8px; }
.account-panel {
  margin: 0 auto; max-width: 540px; text-align: left;
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px;
}
.account-panel h2 { font-size: 13px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); margin: 0 0 8px; font-weight: 600; }
.account-panel h2 .free { color: #fff; font-weight: 700; }
.account-row { display: flex; gap: 10px; }
.account-row > input { flex: 1; min-width: 0; }
.account-row .btn { flex: none; }
#loginCode { font-family: ui-monospace, Menlo, monospace; letter-spacing: 0.2em; }
.account-links { display: flex; gap: 18px; flex-wrap: wrap; margin-top: 12px; }
.text-btn { background: none; border: 0; padding: 0; font: inherit; font-size: 13px; color: var(--muted); text-decoration: underline; cursor: pointer; }
.text-btn:hover { color: var(--ink); }
.text-btn:disabled { opacity: 0.6; cursor: default; }
@media (max-width: 480px) { .account-row { flex-direction: column; } .account-panel { padding: 20px; } }

/* Home: who is signed in, top right (where the tools put Sign In) */
.home-account { position: absolute; top: max(16px, env(safe-area-inset-top)); right: max(16px, env(safe-area-inset-right)); display: flex; align-items: center; gap: 12px; font-size: 14px; color: var(--muted); }
.home-account .btn { padding: 7px 16px; font-size: 14px; }
.home-account .who { max-width: 220px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
@media (max-width: 640px) { .home-account .who { display: none; } }
.lock { display: inline-flex; align-items: center; gap: 6px; margin-top: 14px; font-size: 13px; color: var(--muted); }
.lock svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.sign-in-page .lead { margin-bottom: 32px; }