:root {
  --red: #d7262b;
  --red-dark: #b01c20;
  --green: #7ab648;
  --ink: #1f2328;
  --muted: #5f6670;
  --line: #d4d8dd;
  --field-bg: #fff;
  --page-bg: #fff;
  --soft: #f5f7f4;
  --error: #b42318;
  --radius: 8px;
  --font: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--page-bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.45;
}

.uyh-wrap {
  max-width: 880px;
  margin: 0 auto;
  padding: 24px 16px 48px;
}

/* ---------- Header ---------- */
.uyh-header {
  display: flex;
  gap: 18px;
  align-items: center;
  padding-bottom: 18px;
  border-bottom: 3px solid var(--red);
  margin-bottom: 8px;
}
.uyh-logo { flex: none; width: 72px; height: auto; }
.uyh-org {
  margin: 0;
  color: var(--green);
  font-weight: 700;
  letter-spacing: .02em;
  font-size: 14px;
  text-transform: uppercase;
}
.uyh-header h1 {
  margin: 2px 0 6px;
  font-size: 28px;
  line-height: 1.15;
  color: var(--red);
}
.uyh-intro { margin: 0; color: var(--muted); font-size: 15px; }
.req { color: var(--red); font-weight: 700; }

/* ---------- Sections ---------- */
.uyh-section {
  margin-top: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.uyh-section > h2 {
  margin: 0;
  padding: 12px 18px;
  background: var(--ink);
  color: #fff;
  font-size: 17px;
  letter-spacing: .01em;
  display: flex;
  gap: 10px;
  align-items: baseline;
}
.uyh-section > h2 .num {
  color: var(--green);
  font-variant-numeric: tabular-nums;
}
.uyh-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 16px 16px;
  padding: 18px;
}

.f { min-width: 0; }
.f[hidden] { display: none; }
.span-2 { grid-column: span 2; }
.span-3 { grid-column: span 3; }
.span-4 { grid-column: span 4; }
.span-5 { grid-column: span 5; }
.span-6 { grid-column: span 6; }
.span-8 { grid-column: span 8; }
.span-9 { grid-column: span 9; }
.span-12 { grid-column: span 12; }

.subheading {
  grid-column: span 12;
  margin: 8px 0 -4px;
  padding-bottom: 6px;
  font-size: 15px;
  font-weight: 700;
  color: var(--red);
  border-bottom: 2px solid var(--green);
}
.note {
  grid-column: span 12;
  margin: 0;
  padding: 10px 12px;
  background: var(--soft);
  border-left: 3px solid var(--green);
  font-size: 14px;
  color: var(--muted);
}

/* ---------- Fields ---------- */
.f > label,
.f > .lbl {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
}
.hint { display: block; font-weight: 400; color: var(--muted); font-size: 13px; margin-top: 2px; }

input[type=text], input[type=email], input[type=tel], input[type=date],
input[type=number], textarea {
  width: 100%;
  font: inherit;
  color: inherit;
  background: var(--field-bg);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 12px;
  min-height: 44px;
  transition: border-color .15s, box-shadow .15s;
}
textarea { resize: vertical; min-height: 80px; }
input:focus, textarea:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(122, 182, 72, .25);
}
input[readonly] { background: var(--soft); }

.choices {
  display: grid;
  gap: 8px 16px;
  grid-template-columns: repeat(var(--cols, 4), minmax(0, 1fr));
}
.choices.inline { display: flex; flex-wrap: wrap; gap: 8px 22px; }
.choice {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  font-size: 15px;
  cursor: pointer;
  min-height: 28px;
}
.choice input {
  flex: none;
  width: 18px;
  height: 18px;
  margin: 2px 0 0;
  accent-color: var(--red);
}
.f.highlight > .lbl { background: #fff4a8; display: inline-block; padding: 1px 4px; border-radius: 3px; }

.f.single .choice { font-weight: 600; font-size: 15px; }

/* ---------- Signature pad ---------- */
.sig-box {
  position: relative;
  border: 1px dashed #9aa1a9;
  border-radius: 6px;
  background: #fff;
  height: 160px;
  touch-action: none;
}
.sig-box canvas { position: absolute; inset: 0; width: 100%; height: 100%; cursor: crosshair; }
.sig-box .sig-placeholder {
  position: absolute;
  left: 14px;
  bottom: 12px;
  color: #a0a6ad;
  font-size: 14px;
  pointer-events: none;
}
.sig-box .sig-line {
  position: absolute;
  left: 14px; right: 14px; bottom: 38px;
  border-bottom: 1px solid #c8cdd2;
  pointer-events: none;
}
.sig-tools { display: flex; justify-content: flex-end; margin-top: 6px; }

/* ---------- Errors ---------- */
.f.has-error input, .f.has-error textarea, .f.has-error .sig-box { border-color: var(--error); }
.f.has-error .choices { outline: 1px solid var(--error); outline-offset: 4px; border-radius: 4px; }
.err-msg { color: var(--error); font-size: 13px; margin-top: 4px; }
.uyh-errors {
  margin-top: 24px;
  padding: 12px 16px;
  border: 1px solid var(--error);
  background: #fef3f2;
  border-radius: var(--radius);
  color: var(--error);
}
.uyh-errors ul { margin: 6px 0 0; padding-left: 20px; }
.uyh-errors a { color: inherit; }

/* ---------- Wizard steps ---------- */
.uyh-steps { margin: 20px 0 4px; }
.uyh-steps ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 6px;
}
.step-btn {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  padding: 8px 6px 10px;
  border: 0;
  border-top: 4px solid var(--line);
  background: none;
  font: inherit;
  text-align: left;
  color: var(--muted);
  cursor: pointer;
}
.step-btn .step-num { font-size: 12px; font-weight: 700; }
.step-btn .step-title { font-size: 13px; font-weight: 600; line-height: 1.2; }
.step-btn.done { border-top-color: var(--green); color: var(--ink); }
.step-btn.active { border-top-color: var(--red); color: var(--red); }
.step-btn:focus-visible { outline: 2px solid var(--green); outline-offset: 2px; }

/* ---------- Read-only documents ---------- */
.doc {
  grid-column: span 12;
  max-height: 460px;
  overflow-y: auto;
  padding: 16px 20px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fcfcfb;
  font-size: 15px;
  line-height: 1.55;
}
.doc:focus-visible { outline: 2px solid var(--green); outline-offset: 2px; }
.doc h3 { color: var(--red); font-size: 17px; margin: 20px 0 6px; padding-bottom: 4px; border-bottom: 2px solid var(--green); }
.doc h3:first-child { margin-top: 0; }
.doc h4 { color: var(--green); font-size: 15px; margin: 14px 0 4px; }
.doc p { margin: 0 0 10px; }
.doc p.b { font-weight: 700; }
.doc ul, .doc ol { margin: 0 0 12px; padding-left: 22px; }
.doc li { margin-bottom: 4px; }
.doc blockquote { margin: 12px 0; padding: 8px 14px; border-left: 3px solid var(--green); font-style: italic; }
.doc blockquote cite { display: block; color: var(--green); font-style: italic; margin-top: 4px; }
.doc table { border-collapse: collapse; margin: 6px 0 12px; }
.doc th, .doc td { border: 1px solid var(--line); padding: 6px 12px; text-align: left; }
.doc th { background: #fde2e2; }
.doc .doc-note { font-style: italic; color: var(--muted); }
.signnote {
  grid-column: span 12;
  margin: 0;
  font-size: 13px;
  color: var(--muted);
}

/* ---------- Buttons ---------- */
.uyh-actions { margin-top: 28px; display: flex; justify-content: flex-end; gap: 12px; }
.uyh-actions #backBtn { margin-right: auto; }
.btn-secondary {
  background: #fff;
  color: var(--ink);
  border-color: var(--line);
  padding: 14px 22px;
  font-size: 16px;
}
.btn-secondary:hover { border-color: var(--ink); }
.btn[hidden] { display: none; }
.btn {
  font: inherit;
  font-weight: 700;
  border-radius: 6px;
  cursor: pointer;
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--red);
  color: #fff;
  padding: 14px 28px;
  font-size: 17px;
  min-width: 220px;
}
.btn-primary:hover { background: var(--red-dark); }
.btn-primary[disabled] { opacity: .65; cursor: progress; }
.btn-link {
  background: none;
  color: var(--muted);
  padding: 6px 4px;
  font-weight: 600;
  font-size: 14px;
  text-decoration: underline;
}

/* ---------- Success ---------- */
.uyh-success {
  margin-top: 32px;
  text-align: center;
  padding: 40px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.uyh-success .check {
  width: 64px; height: 64px;
  margin: 0 auto 12px;
  border-radius: 50%;
  background: var(--green);
  color: #fff;
  font-size: 34px;
  line-height: 64px;
}
.uyh-success h2 { color: var(--ink); margin: 0 0 8px; }
.uyh-success p { color: var(--muted); margin: 6px 0; }
.uyh-success .ref strong { color: var(--ink); }

.hp { position: absolute !important; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.loading { padding: 24px; color: var(--muted); }

/* ---------- Mobile ---------- */
@media (max-width: 640px) {
  .uyh-header { align-items: flex-start; }
  .uyh-logo { width: 54px; }
  .uyh-header h1 { font-size: 23px; }
  .uyh-grid { padding: 14px; gap: 14px; }
  .uyh-grid > * { grid-column: span 12 !important; }
  .choices { grid-template-columns: minmax(0, 1fr); }
  .uyh-actions .btn-primary { min-width: 0; flex: 1; }
  .uyh-steps ol { grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 4px; }
  .step-btn .step-title { display: none; }
  .doc { max-height: 380px; padding: 12px 14px; font-size: 14px; }
}
@media (min-width: 641px) and (max-width: 760px) {
  .choices { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}