:root {
  --cream: #FFF0D8; --sage: #B8DCC7; --blue: #BBD9F5; --peach: #F7C9B9;
  --lavender: #E5D5F5; --yellow: #F8E4A8; --ink: #30383A;
  --radius: 1.5rem;
  --font: ui-rounded, "SF Pro Rounded", Nunito, system-ui, -apple-system, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body { background: var(--cream); color: var(--ink); font-family: var(--font); font-size: 1.125rem; line-height: 1.5; -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--ink); outline-offset: 3px; border-radius: 0.75rem; }

.top { display: flex; align-items: center; justify-content: space-between; padding: calc(env(safe-area-inset-top) + 0.75rem) 1.25rem 0.75rem; }
.brand { font-size: 1.25rem; font-weight: 800; color: inherit; text-decoration: none; }
main { max-width: 48rem; margin: 0 auto; padding: 0.5rem 1.25rem 7rem; outline: none; }
h1 { font-size: 2.25rem; line-height: 1.15; font-weight: 800; margin: 1rem 0; }
h2 { font-size: 1.5rem; margin: 0 0 0.5rem; }

.nav { display: flex; gap: 0.5rem; }
.nav a { display: flex; align-items: center; justify-content: center; text-align: center; min-height: 56px; padding: 0 1rem; border-radius: 1rem; font-weight: 700; color: inherit; text-decoration: none; }
.nav a[aria-current="page"] { background: var(--yellow); text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 4px; }
.nav-top { display: none; background: var(--blue); border-radius: 1.75rem; padding: 0.25rem; }
.nav-bottom { position: fixed; inset: auto 0 0 0; background: var(--blue); border-radius: 1.5rem 1.5rem 0 0; padding: 0.5rem 0.75rem calc(env(safe-area-inset-bottom) + 0.5rem); }
.nav-bottom a { flex: 1; }
@media (min-width: 768px) { .nav-top { display: flex; } .nav-bottom { display: none; } main { padding-bottom: 2.5rem; } }

.card { border-radius: var(--radius); padding: 1.5rem; background: rgba(255,255,255,0.7); }
.card + .card { margin-top: 1rem; }
.sage { background: var(--sage); } .peach { background: var(--peach); } .lavender { background: var(--lavender); } .blue { background: var(--blue); }
.muted { opacity: 0.8; }
.stack > * + * { margin-top: 1rem; }

.btn { min-height: 52px; min-width: 52px; padding: 0 1.5rem; border: 0; border-radius: 1rem; font: inherit; font-weight: 700; color: var(--ink); background: var(--sage); cursor: pointer; display: inline-flex; align-items: center; justify-content: center; text-decoration: none; }
.btn.blue { background: var(--blue); }
.btn:disabled { opacity: 0.6; cursor: default; }
label { display: block; font-weight: 700; margin-bottom: 0.25rem; }
input { width: 100%; min-height: 52px; border: 2px solid rgba(48,56,58,0.5); border-radius: 1rem; padding: 0 1rem; font: inherit; font-size: 1.25rem; letter-spacing: 0.2em; background: #fff; color: var(--ink); }
.msg { font-weight: 700; }
.noscript { padding: 1rem 1.25rem; }

@media (prefers-reduced-motion: reduce) { * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; } }