/* Care Dental online forms - mobile first, system fonts only (no web fonts). */
:root {
  --bg: #f4f7f8;
  --card: #ffffff;
  --ink: #1d2a30;
  --muted: #5b6b72;
  --line: #d5dee2;
  --brand: #0d5c73;
  --brand-ink: #ffffff;
  --brand-soft: #e3f1f5;
  --danger: #b3261e;
  --danger-soft: #fdecea;
  --ok: #1e7a46;
  --radius: 10px;
  --focus: 0 0 0 3px rgba(13, 92, 115, 0.35);
  color-scheme: light;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
a { color: var(--brand); }

header.site {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 12px 16px; background: var(--card); border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 5;
}
.brand { display: flex; align-items: center; gap: 10px; }
.logo {
  width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center;
  background: var(--brand); color: var(--brand-ink); font-weight: 700; letter-spacing: .5px;
}
.brand-name { font-weight: 700; font-size: 1.1rem; line-height: 1.1; }
.brand-sub { color: var(--muted); font-size: .85rem; }
.call { font-weight: 600; text-decoration: none; white-space: nowrap; }

main, .thanks { max-width: 820px; margin: 0 auto; padding: 16px; }
.noscript { max-width: 820px; margin: 24px auto; padding: 16px; background: var(--danger-soft); }

/* progress */
.progress { margin-bottom: 12px; }
.progress-label { font-size: .95rem; color: var(--muted); margin-bottom: 6px; }
.progress-label strong { color: var(--ink); }
.bar { height: 8px; background: var(--line); border-radius: 99px; overflow: hidden; }
.bar-fill { height: 100%; width: 0; background: var(--brand); transition: width .25s ease; }
.step-list { display: none; list-style: none; padding: 0; margin: 10px 0 0; gap: 6px; flex-wrap: wrap; }
.step-list li button {
  border: 1px solid var(--line); background: var(--card); color: var(--muted); border-radius: 99px;
  padding: 4px 10px; font: inherit; font-size: .8rem; cursor: pointer;
}
.step-list li button[aria-current="step"] { background: var(--brand); color: var(--brand-ink); border-color: var(--brand); }
.step-list li button.done { color: var(--ok); border-color: var(--ok); }
.step-list li button:disabled { cursor: default; opacity: .6; }

form, .thanks { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; }
h1 { font-size: 1.45rem; margin: 0 0 8px; }
h2 { font-size: 1.3rem; margin: 0 0 12px; color: var(--brand); }
h3 { font-size: 1.05rem; margin: 20px 0 8px; }
h4 { font-size: .98rem; margin: 14px 0 4px; }
.intro, .hint, .disclosure { color: var(--muted); }
.hint { font-size: .88rem; margin: 4px 0 10px; }
.privacy-note { background: var(--brand-soft); border-radius: 8px; padding: 10px 12px; font-size: .92rem; }

/* fields */
fieldset { border: 0; padding: 0; margin: 0; min-width: 0; }
legend { padding: 0; font-weight: 600; margin-bottom: 6px; }
.field { margin: 0 0 14px; }
.field > label { display: block; font-weight: 600; margin-bottom: 4px; font-size: .95rem; }
.req { color: var(--danger); }
.opt { color: var(--muted); font-weight: 400; font-size: .85rem; }
input:not([type=radio]):not([type=checkbox]):not([type=file]), select, textarea {
  width: 100%; padding: 11px 12px; font: inherit; color: inherit;
  border: 1px solid #aebcc2; border-radius: 8px; background: #fff; min-height: 46px;
}
textarea { min-height: 70px; resize: vertical; }
input:focus, select:focus, textarea:focus, button:focus-visible, summary:focus-visible, .policy-box:focus, .npp-body:focus {
  outline: none; box-shadow: var(--focus); border-color: var(--brand);
}
.grid { display: grid; grid-template-columns: 1fr; gap: 0 12px; }
.choice { display: flex; align-items: flex-start; gap: 10px; padding: 8px 0; cursor: pointer; }
.choice input { width: 22px; height: 22px; margin: 1px 0 0; flex: none; accent-color: var(--brand); }
.choice.card { border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; margin-bottom: 8px; }
.choice.card:has(input:checked) { border-color: var(--brand); background: var(--brand-soft); }
.inline { display: flex; flex-wrap: wrap; gap: 0 18px; }
.checks.cols { display: grid; grid-template-columns: 1fr; gap: 0 16px; }
.sub { border-left: 3px solid var(--brand-soft); padding: 4px 0 4px 12px; margin: 4px 0 14px; }
.sub > legend { color: var(--brand); }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

.field.invalid input, .field.invalid select, .field.invalid textarea { border-color: var(--danger); background: var(--danger-soft); }
.invalid > legend, .yn.invalid .yn-q { color: var(--danger); }
.err { color: var(--danger); font-size: .88rem; margin: 4px 0 0; }
.error-summary { background: var(--danger-soft); color: var(--danger); border-radius: 8px; padding: 10px 12px; margin-bottom: 14px; font-weight: 600; }
.send-error { background: var(--danger-soft); color: var(--danger); border-radius: 8px; padding: 10px 12px; }

/* consent */
.consent { border: 1px solid var(--line); border-radius: 8px; padding: 12px; margin: 6px 0 16px; background: #fbfdfd; }
.consent legend { font-weight: 600; padding: 0 4px; }
.consent-heading { font-weight: 600; margin: 4px 0 0; }
.disclosure { font-size: .82rem; margin: 6px 0; }

/* insurance */
.card-upload { display: grid; grid-template-columns: 1fr; gap: 10px; margin-bottom: 14px; }
.upload { border: 1px dashed #9fb2b9; border-radius: 8px; padding: 10px; }
.upload .upload-label { font-weight: 600; display: block; margin-bottom: 6px; }
.upload img { display: block; max-width: 100%; max-height: 180px; margin-top: 8px; border-radius: 6px; }
.upload .status { font-size: .85rem; color: var(--muted); }

/* Y/N questions */
.group-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 18px; }
.group-head h3 { margin: 0; }
.yn-group { margin: 8px 0 12px; }
.yn-group.cols { display: grid; grid-template-columns: 1fr; gap: 0 18px; }
.yn { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 7px 0; border-bottom: 1px solid #edf1f3; }
.yn-q { flex: 1; }
.yn-a { display: flex; gap: 4px; flex: none; }
.yn-a label { position: relative; }
.yn-a input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.yn-a span {
  display: inline-block; min-width: 50px; text-align: center; padding: 7px 8px; border: 1px solid #aebcc2;
  border-radius: 6px; cursor: pointer; font-size: .9rem; background: #fff;
}
.yn-a input:focus-visible + span { box-shadow: var(--focus); }
.yn-a input[value=Y]:checked + span { background: var(--danger); border-color: var(--danger); color: #fff; font-weight: 600; }
.yn-a input[value=N]:checked + span { background: var(--brand); border-color: var(--brand); color: #fff; }
.yn.invalid { background: var(--danger-soft); }
.yn-head { font-weight: 600; margin-top: 10px; }

/* policies */
.npp summary { cursor: pointer; font-weight: 600; padding: 10px 12px; background: var(--brand-soft); border-radius: 8px; }
.npp-body, .policy-box {
  max-height: 55vh; overflow: auto; border: 1px solid var(--line); border-radius: 8px; padding: 4px 14px 10px; margin: 8px 0 14px;
  background: #fcfdfd; font-size: .93rem;
}
.policy-box p { margin: 10px 0; }
.policy-text { font-size: .95rem; }
.agree { border-top: 1px solid var(--line); padding-top: 10px; margin-top: 10px; }

/* signature */
.sig-wrap { position: relative; border: 2px solid #aebcc2; border-radius: 8px; background: #fff; }
.sig-pad { display: block; width: 100%; height: 180px; touch-action: none; cursor: crosshair; border-radius: 6px; }
.sig-x { position: absolute; left: 12px; bottom: 30px; color: #9fb2b9; font-size: 1.4rem; pointer-events: none; }
.sig-wrap::after { content: ""; position: absolute; left: 36px; right: 16px; bottom: 36px; border-bottom: 1px solid #c5d1d6; pointer-events: none; }
#sigField.invalid .sig-wrap { border-color: var(--danger); }
.sig-tools { display: flex; justify-content: space-between; align-items: center; margin-top: 6px; }
.review { background: #fbfdfd; border: 1px solid var(--line); border-radius: 8px; padding: 6px 14px; margin-bottom: 12px; }
.review ul { padding-left: 18px; margin: 6px 0; }

/* buttons */
.btn {
  font: inherit; font-weight: 600; border-radius: 8px; border: 1px solid var(--brand); padding: 12px 20px;
  cursor: pointer; min-height: 48px; background: #fff; color: var(--brand);
}
.btn.primary { background: var(--brand); color: var(--brand-ink); }
.btn.small { padding: 6px 12px; min-height: 36px; font-size: .88rem; }
.btn:disabled { opacity: .6; cursor: progress; }
.nav-buttons { display: flex; gap: 10px; justify-content: space-between; margin-top: 20px; position: sticky; bottom: 0; background: var(--card); padding: 10px 0; border-top: 1px solid var(--line); }
.nav-buttons .primary { margin-left: auto; flex: 1; max-width: 260px; }

.thanks { margin-top: 16px; text-align: left; }
.thanks h1 { color: var(--ok); }
footer.site { max-width: 820px; margin: 0 auto; padding: 16px; color: var(--muted); font-size: .82rem; text-align: center; }
footer.site p { margin: 4px 0; }

@media (min-width: 640px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
  .grid .wide { grid-column: 1 / -1; }
  .card-upload { grid-template-columns: 1fr 1fr; }
  .yn-group.cols, .checks.cols { grid-template-columns: 1fr 1fr; }
  .step-list { display: flex; }
  form, .thanks { padding: 24px; }
}
@media (min-width: 900px) {
  .grid { grid-template-columns: repeat(4, 1fr); }
  .grid .field { grid-column: span 2; }
  .grid .field.narrow { grid-column: span 1; }
  .grid .wide { grid-column: 1 / -1; }
}
@media print {
  header.site, .progress, .nav-buttons { display: none; }
}