:root {
  --brand: #d71920;
  --brand-dark: #a8141a;
  --ink: #1d1d1f;
  --muted: #5f6368;
  --line: #d9dbe0;
  --bg: #f4f5f7;
  --card: #ffffff;
  --ok: #1e7d3a;
  --ok-bg: #e7f5ec;
  --warn-bg: #fff6d6;
  --err: #b3261e;
  --focus: #1a73e8;
  --radius: 12px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

.top {
  background: var(--card);
  border-bottom: 1px solid var(--line);
  padding: 12px 16px 0;
  position: sticky;
  top: 0;
  z-index: 5;
}
.logo { display: block; height: 40px; width: auto; margin: 0 auto 8px; }

.progress {
  display: flex;
  list-style: none;
  margin: 0 auto;
  padding: 0;
  max-width: 640px;
  counter-reset: step;
}
.progress li {
  flex: 1;
  text-align: center;
  font-size: 13px;
  color: var(--muted);
  padding: 6px 2px 10px;
  border-bottom: 3px solid transparent;
  counter-increment: step;
}
.progress li::before { content: counter(step) ". "; }
.progress li.active { color: var(--brand); font-weight: 600; border-bottom-color: var(--brand); }
.progress li.done { color: var(--ok); }
.progress li.done::before { content: "✓ "; }
.progress li.skipped { color: var(--muted); text-decoration: line-through; }

.test-banner {
  background: var(--warn-bg);
  border-bottom: 1px solid #f0d77a;
  text-align: center;
  font-size: 14px;
  padding: 8px 16px;
}

.app { max-width: 640px; margin: 0 auto; padding: 16px 16px 40px; }
.loading { text-align: center; color: var(--muted); padding: 40px 0; }

h1 { font-size: 24px; line-height: 1.25; margin: 8px 0 4px; }
h2 { font-size: 17px; margin: 0 0 12px; }
.lead { color: var(--muted); margin: 0 0 16px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 16px;
}

.grid { display: flex; flex-wrap: wrap; gap: 0 12px; }
.field { flex: 1 1 100%; margin-bottom: 14px; min-width: 0; }
.field.half { flex: 1 1 calc(50% - 6px); }
.field[hidden], .detail[hidden], [hidden] { display: none !important; }

label.lbl, .lbl { display: block; font-weight: 600; font-size: 15px; margin-bottom: 6px; }
.req { color: var(--brand); }
.hint { display: block; color: var(--muted); font-size: 13px; font-weight: 400; margin-top: 2px; }

input[type=text], input[type=email], input[type=tel], input[type=date], input[type=number] {
  width: 100%;
  font: inherit;
  font-size: 16px; /* prevents iOS zoom */
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  min-height: 48px;
}
input:focus-visible, button:focus-visible, .choice:focus-within {
  outline: 3px solid var(--focus);
  outline-offset: 1px;
}
.invalid input, .invalid .choices, .invalid .sig-wrap { border-color: var(--err) !important; }
.err { color: var(--err); font-size: 14px; margin-top: 6px; }

.phone3 { display: grid; grid-template-columns: 70px 90px 1fr; gap: 8px; }
.phone2 { display: grid; grid-template-columns: 100px 1fr; gap: 8px; }
.phone2 small, .phone3 small { display: block; font-size: 12px; color: var(--muted); margin-top: 2px; }

.choices { display: grid; gap: 8px; border: 1px solid transparent; border-radius: 8px; }
.choices.inline { grid-template-columns: 1fr 1fr; }
.choice {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  cursor: pointer;
  min-height: 48px;
}
.choice input { width: 20px; height: 20px; margin: 1px 0 0; flex: none; accent-color: var(--brand); }
.choice:has(input:checked) { border-color: var(--brand); background: #fff5f5; }
.detail { margin: 2px 0 4px 30px; }

.rows .row { display: grid; grid-template-columns: 1fr 120px; gap: 8px; margin-bottom: 8px; }
.linkbtn { background: none; border: 0; color: var(--focus); font: inherit; padding: 8px 0; cursor: pointer; }

.note { white-space: pre-line; font-size: 14px; color: #333; background: #fafafa; border-left: 3px solid var(--line); padding: 10px 12px; margin-bottom: 14px; }

.sig-wrap { border: 1px dashed #9aa0a6; border-radius: 8px; background: #fff; position: relative; }
.sig-wrap canvas { display: block; width: 100%; height: 160px; touch-action: none; }
.sig-wrap .sig-line { position: absolute; left: 16px; right: 16px; bottom: 36px; border-bottom: 1px solid #c4c7cc; pointer-events: none; }
.sig-wrap .sig-x { position: absolute; left: 16px; bottom: 38px; color: #9aa0a6; pointer-events: none; }
.sig-actions { display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: var(--muted); }

.ea-cards { display: grid; gap: 10px; }
.ea-card { display: block; padding: 14px; border: 2px solid var(--line); border-radius: var(--radius); background: #fff; cursor: pointer; }
.ea-card input { position: absolute; opacity: 0; pointer-events: none; }
.ea-card strong { display: block; font-size: 16px; }
.ea-card span { color: var(--muted); font-size: 14px; }
.ea-card:has(input:checked) { border-color: var(--brand); background: #fff5f5; }
.ea-card:has(input:focus-visible) { outline: 3px solid var(--focus); }

.actions {
  display: flex;
  gap: 12px;
  position: sticky;
  bottom: 0;
  background: linear-gradient(transparent, var(--bg) 30%);
  padding: 16px 0 calc(8px + env(safe-area-inset-bottom));
}
.btn {
  flex: 1;
  font: inherit;
  font-weight: 600;
  font-size: 17px;
  min-height: 52px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  cursor: pointer;
}
.btn.primary { flex: 2; background: var(--brand); border-color: var(--brand); color: #fff; }
.btn.primary:hover { background: var(--brand-dark); }
.btn:disabled { opacity: .6; cursor: wait; }

.confirm { background: var(--warn-bg); border: 1px solid #f0d77a; border-radius: var(--radius); padding: 14px; margin-bottom: 12px; }
.confirm p { margin: 0 0 10px; }
.confirm .row { display: flex; gap: 10px; }

.alert { border-radius: var(--radius); padding: 12px 14px; margin-bottom: 16px; }
.alert.error { background: #fdecea; color: var(--err); border: 1px solid #f5c2bd; }
.alert.ok { background: var(--ok-bg); color: var(--ok); border: 1px solid #b7e1c3; }

.welcome-list { padding-left: 20px; margin: 8px 0 0; }
.welcome-list li { margin-bottom: 6px; }

.summary { list-style: none; padding: 0; margin: 0 0 8px; }
.summary li { padding: 8px 0; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; gap: 12px; }
.summary .sent { color: var(--ok); font-weight: 600; }
.summary .skipped { color: var(--muted); }

.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.foot { text-align: center; color: var(--muted); font-size: 12px; padding: 16px 16px 32px; }