:root {
  --bg: #fbf9ff;
  --bg2: #f3edff;
  --card: rgba(255,255,255,.94);
  --ink: #24212d;
  --muted: #6f6a7d;
  --lavender-50: #fbf9ff;
  --lavender-100: #f3edff;
  --lavender-200: #e5d9ff;
  --lavender-300: #cbb7ff;
  --lavender-400: #b197fc;
  --lavender-500: #9b7cf6;
  --lavender-600: #7c5fd6;
  --lavender-700: #6048aa;
  --border: #e8def8;
  --shadow: 0 18px 42px rgba(91, 72, 139, .14);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top, rgba(203,183,255,.42), transparent 32%),
    linear-gradient(180deg, #fff 0%, var(--bg) 48%, #f6f0ff 100%);
}

a { color: inherit; text-decoration: none; }

.app {
  width: 100%;
  max-width: 440px;
  margin: 0 auto;
  padding: 18px 18px 96px;
}

.header {
  text-align: center;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 30px;
  padding: 24px 20px;
  box-shadow: var(--shadow);
  margin-bottom: 16px;
}

.logo {
  width: 128px;
  max-width: 46%;
  height: auto;
  display: block;
  margin: 0 auto 14px;
  background: transparent;
}

h1 {
  margin: 0;
  font-size: 30px;
  line-height: 1.03;
  letter-spacing: -.04em;
  font-weight: 900;
}

.subtitle {
  margin: 12px auto 0;
  max-width: 340px;
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.45;
  font-weight: 700;
}

.page-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 30px;
  padding: 20px;
  box-shadow: var(--shadow);
  margin-bottom: 16px;
}

.prompt {
  margin: 0 0 16px;
  font-size: 22px;
  line-height: 1.15;
  font-weight: 900;
}

.helper {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--muted);
}

.grid {
  display: grid;
  gap: 12px;
}

.choice-card,
.list-card,
.topic-card {
  display: block;
  width: 100%;
  border: 1px solid var(--lavender-200);
  border-radius: 24px;
  background: linear-gradient(135deg, #fff 0%, var(--lavender-50) 100%);
  padding: 17px;
  box-shadow: 0 10px 20px rgba(91,72,139,.08);
}

.choice-title,
.list-title,
.topic-title {
  display: block;
  font-size: 17px;
  font-weight: 900;
  line-height: 1.2;
}

.choice-text,
.list-text,
.topic-text {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
  font-weight: 650;
}

.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 46px;
  margin-top: 14px;
  padding: 13px 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--lavender-600), var(--lavender-400));
  color: #fff;
  font-size: 14px;
  font-weight: 900;
  box-shadow: 0 14px 24px rgba(124,95,214,.24);
}

.back {
  display: inline-flex;
  margin-bottom: 12px;
  color: var(--lavender-700);
  font-weight: 900;
  font-size: 14px;
}

.section-eyebrow {
  display: inline-flex;
  padding: 7px 11px;
  border-radius: 999px;
  background: var(--lavender-100);
  color: var(--lavender-700);
  font-size: 12px;
  font-weight: 900;
  margin-bottom: 10px;
}

.info-box {
  border: 1px solid var(--lavender-200);
  background: #fff;
  border-radius: 22px;
  padding: 16px;
  margin-top: 12px;
  box-shadow: 0 8px 18px rgba(91,72,139,.06);
}

.info-box.highlight {
  background: linear-gradient(135deg, var(--lavender-100), #fff);
  border-color: var(--lavender-300);
}

.info-box h2 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 900;
}

.info-box p {
  margin: 0;
  color: #3f3a4a;
  font-size: 14.5px;
  line-height: 1.55;
}

.info-box ul {
  margin: 0;
  padding-left: 18px;
}

.info-box li {
  margin: 8px 0;
  color: #3f3a4a;
  font-size: 14.5px;
  line-height: 1.45;
}

.age-tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  margin: 8px 0 14px;
}

.age-tab {
  flex: 0 0 auto;
  padding: 10px 13px;
  border-radius: 999px;
  border: 1px solid var(--lavender-200);
  background: #fff;
  color: var(--lavender-700);
  font-size: 13px;
  font-weight: 900;
}

.age-tab.active {
  color: #fff;
  background: linear-gradient(135deg, var(--lavender-600), var(--lavender-400));
  border-color: var(--lavender-400);
}

.bottom-nav {
  position: fixed;
  left: 50%;
  bottom: 14px;
  transform: translateX(-50%);
  width: min(420px, calc(100% - 28px));
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
  padding: 8px;
  border-radius: 999px;
  background: rgba(255,255,255,.96);
  border: 1px solid var(--border);
  box-shadow: 0 18px 38px rgba(91,72,139,.18);
  backdrop-filter: blur(8px);
  z-index: 10;
}

.bottom-nav a {
  text-align: center;
  padding: 12px 6px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 900;
  color: var(--muted);
}

.bottom-nav a.active {
  color: #fff;
  background: linear-gradient(135deg, var(--lavender-600), var(--lavender-400));
}

.footer-note {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.45;
  text-align: center;
  margin: 12px 8px 0;
}

@media (max-width: 360px) {
  .app { padding: 12px 12px 94px; }
  h1 { font-size: 27px; }
  .logo { width: 112px; }
}