/* The adult register (plan §7; mockups 10, gate in 00): calm greys, system font, ≥ 16 px, no grain, no Milo. */
.parent, .gate-dialog, .parent-card { font-family: var(--font-parent); color: var(--parent-ink); }
.parent { background: var(--parent-bg); }
.parent-card .inner { max-width: 760px; margin: 0 auto; padding: 32px 24px 64px; }
.parent-card p, .parent-card li { font-size: 17px; line-height: 1.5; }
.parent-card .sub { color: var(--parent-sub); }
.p-card { background: var(--parent-card); border: 1px solid var(--parent-line); border-radius: 16px; padding: 20px 24px; }
.p-btn { min-height: 48px; padding: 0 18px; border-radius: 12px; border: 1px solid var(--parent-dot); background: var(--parent-card);
  font: 500 17px var(--font-parent); color: var(--parent-ink); cursor: pointer; display: inline-flex; align-items: center;
  gap: 8px; white-space: nowrap; text-decoration: none; }
.p-btn.primary { background: var(--parent-ink); border-color: var(--parent-ink); color: var(--parent-card); }
.p-btn.danger { color: var(--parent-danger); border-color: var(--parent-danger); }
.p-btn:disabled { opacity: .5; cursor: default; }
.p-btn:focus-visible, .p-tab:focus-visible, .p-back:focus-visible, .p-input:focus-visible, .p-paste:focus-visible,
.p-select:focus-visible, .p-switch:focus-visible, .p-range:focus-visible { outline: 3px solid var(--petrol); outline-offset: 2px; }
.p-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: 14px; }
.p-row.end { justify-content: flex-end; }

/* ---- parent area (mockup 10): sidebar + pages of white cards ---- */
.screen.parent { display: grid; grid-template-columns: 268px 1fr; font-size: 17px; line-height: 1.45; overflow: hidden;
  -webkit-user-select: text; user-select: text; }
.p-nav { background: var(--parent-card); border-right: 1px solid var(--parent-line); padding: 22px 16px 24px;
  display: flex; flex-direction: column; gap: 4px; overflow-y: auto; }
.p-nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 4px; }
.p-back { min-height: 48px; padding: 0 12px; border: 0; border-radius: 10px; background: none; text-align: left;
  font: 17px var(--font-parent); color: var(--parent-sub); cursor: pointer; }
.p-title { font-size: 20px; font-weight: 600; margin: 14px 12px 12px; }
.p-tab { width: 100%; min-height: 52px; padding: 0 14px; border: 0; border-radius: 12px; background: none; text-align: left;
  font: 17px var(--font-parent); color: var(--parent-ink); cursor: pointer; }
.p-tab[aria-current="page"] { background: var(--parent-bg); font-weight: 600; box-shadow: inset 3px 0 0 var(--parent-ink); }
.p-ver { margin: auto 12px 0; font-size: 16px; color: var(--parent-sub); }
.p-main { overflow-y: auto; padding: 34px 44px 60px; min-width: 0; }
.p-page { display: flex; flex-direction: column; gap: 18px; max-width: 900px; }
.p-h1 { font-size: 30px; line-height: 1.2; font-weight: 600; margin: 0; letter-spacing: -.01em; }
.p-lead { color: var(--parent-sub); margin: 4px 0 0; }
.p-card h2 { font-size: 18px; font-weight: 600; margin: 0 0 14px; }
.p-card-head { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; flex-wrap: wrap; }
.p-card p { margin: 0 0 8px; }
.p-sub { color: var(--parent-sub); font-size: 16px; }
.p-hint { font-size: 16px; color: var(--parent-sub); margin: 0; }
.p-label { font-size: 16px; color: var(--parent-sub); margin: 0 0 8px; }
.p-big { font-size: 26px; font-weight: 600; margin: 2px 0 12px; }
.p-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 18px; }
.p-note { margin: 0; padding: 14px 20px; border-radius: 14px; background: color-mix(in srgb, var(--petrol) 8%, var(--parent-card));
  border: 1px solid color-mix(in srgb, var(--petrol) 35%, var(--parent-line)); }
.p-error { color: var(--parent-danger); margin: 10px 0 0; min-height: 1em; }
.regions { display: flex; gap: 20px; flex-wrap: wrap; }
.region { display: flex; flex-direction: column; gap: 8px; }
.region span { font-size: 16px; color: var(--parent-sub); }
.dots { display: flex; gap: 6px; }
.dots i { width: 12px; height: 12px; border-radius: 50%; border: 1.5px solid var(--parent-dot); }
.dots i.done { background: var(--petrol); border-color: var(--petrol); }
.dots i.next { border: 2.5px solid var(--petrol); box-shadow: 0 0 0 3px color-mix(in srgb, var(--petrol) 20%, transparent); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 16px; }
.chips span { min-width: 44px; padding: 6px 12px; border-radius: 10px; border: 1px solid var(--parent-line); text-align: center;
  background: var(--parent-key); font: 700 20px var(--font-read); }
.chips.learning span { border-style: dashed; background: var(--parent-card); }
.chips.learning span { display: inline-flex; align-items: center; gap: 6px; }
.chips .sprout { width: 16px; height: 16px; }
.p-icon { width: 22px; height: 22px; flex: none; }
.p-icon.flip { width: 18px; height: 18px; transform: scaleX(-1); }
.p-btn .p-icon { width: 20px; height: 20px; }
.p-back, .p-tab, .p-title, .p-note { display: flex; align-items: center; gap: 12px; }
.p-back { gap: 6px; }
.p-setting { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: 12px 0; cursor: pointer; }
.p-setting + .p-setting { border-top: 1px solid var(--parent-line); }
.p-setting-text { display: flex; flex-direction: column; gap: 2px; }
.p-switch { width: 52px; height: 30px; accent-color: var(--petrol); flex: none; }
.p-range { width: min(320px, 40vw); accent-color: var(--petrol); }
.p-select, .p-input { min-height: 48px; padding: 0 12px; border-radius: 12px; border: 1px solid var(--parent-dot);
  background: var(--parent-card); font: 17px var(--font-parent); color: var(--parent-ink); }
.p-code { margin: 0; font: 16px/1.5 ui-monospace, "SF Mono", Menlo, "DejaVu Sans Mono", monospace; color: var(--parent-ink);
  background: var(--parent-key); border: 1px solid var(--parent-line); border-radius: 12px; padding: 12px 14px;
  white-space: pre-wrap; word-break: break-all; max-height: 9em; overflow-y: auto; }
.p-paste { width: 100%; margin-top: 14px; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--parent-dot);
  font: 16px/1.5 ui-monospace, "SF Mono", Menlo, monospace; resize: vertical; }
.p-rows .p-line { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: 12px 0; }
.p-rows .p-line + .p-line { border-top: 1px solid var(--parent-line); }
.p-rows .p-line p { margin: 0; }
.p-field { display: flex; flex-direction: column; gap: 6px; margin: 8px 0; }
.p-dialog { max-width: 520px; border: 0; border-radius: 16px; padding: 24px; font: 17px/1.45 var(--font-parent);
  color: var(--parent-ink); box-shadow: 0 24px 60px -20px rgba(40, 44, 52, .45); }
.p-dialog::backdrop { background: rgba(40, 44, 52, .35); }
@media (orientation: portrait) {
  .screen.parent { grid-template-columns: 220px 1fr; }
  .p-main { padding: 28px 24px 60px; }
  .p-grid { grid-template-columns: 1fr; }
}
.back-big { width: var(--tap); height: var(--tap); border: 0; border-radius: 50%; background: var(--parent-card);
  box-shadow: 0 2px 8px rgba(0, 0, 0, .12); display: grid; place-items: center; cursor: pointer; }
.back-big img { width: 44%; transform: scaleX(-1); }

/* ---- parent gate ---- */
.gate { background: var(--parent-bg); display: grid; place-items: center; }
.gate .back-big { position: absolute; left: 24px; top: 24px; }
.gate-dialog { width: min(420px, 92vw); text-align: center; }
.gate-dialog p { font-size: 19px; }
.gate-dialog .digits { min-height: 48px; font: 700 34px var(--font-parent); letter-spacing: 8px; }
.keypad { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 12px; }
.keypad button { min-height: 64px; border-radius: 14px; border: 1px solid var(--parent-line); background: var(--parent-key);
  font: 600 26px var(--font-parent); color: var(--parent-ink); cursor: pointer; }

/* ---- one-time card for parents on first launch ---- */
.parent-card { background: var(--parent-bg); overflow-y: auto; }
.parent-card h1 { font-size: 26px; }
.parent-card ol { padding-left: 22px; }

/* ---- diag.html ---- */
.diag { max-width: 760px; margin: 0 auto; padding: 24px; font-family: var(--font-parent); }
.diag .log { max-height: 50vh; overflow: auto; background: #fff; border: 1px solid var(--parent-line); padding: 12px;
  font-size: 13px; white-space: pre-wrap; }
.diag .btn { min-height: 48px; padding: 10px 18px; border-radius: 12px; border: 1px solid var(--parent-line);
  background: #fff; font: 600 17px var(--font-parent); margin: 6px 0; }