:root {
  --pine: #0d3b2e;
  --pine-dark: #072219;
  --red: #b3202a;
  --red-dark: #7d141b;
  --gold: #e8b64c;
  --cream: #fbf6ec;
  --ink: #2b1d14;
  --muted: #7a6a5c;
  --green-ok: #1f7a4d;
}

* { box-sizing: border-box; }

html { background: var(--pine-dark); }

body {
  margin: 0;
  min-height: 100vh;
  font-family: Georgia, "Times New Roman", serif;
  color: var(--ink);
  background:
    radial-gradient(ellipse at top, #15573f 0%, transparent 60%),
    radial-gradient(ellipse at bottom, #3a0d12 0%, transparent 55%),
    var(--pine);
  line-height: 1.55;
  overflow-x: hidden;
}

/* ---------- neve (solo CSS) ---------- */
.snow, .snow::before, .snow::after {
  position: fixed;
  inset: -100% 0 0 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    radial-gradient(3px 3px at 20px 30px, #fff 50%, transparent 51%),
    radial-gradient(2px 2px at 80px 120px, #fff 50%, transparent 51%),
    radial-gradient(4px 4px at 150px 60px, rgba(255,255,255,.9) 50%, transparent 51%),
    radial-gradient(2px 2px at 220px 180px, #fff 50%, transparent 51%),
    radial-gradient(3px 3px at 300px 90px, rgba(255,255,255,.8) 50%, transparent 51%),
    radial-gradient(2px 2px at 360px 220px, #fff 50%, transparent 51%);
  background-size: 400px 260px;
  animation: snow 18s linear infinite;
  opacity: .8;
}
.snow::before { content: ""; background-size: 300px 300px; animation-duration: 26s; opacity: .6; }
.snow::after  { content: ""; background-size: 520px 340px; animation-duration: 38s; opacity: .45; filter: blur(1px); }

@keyframes snow {
  from { transform: translateY(0); }
  to   { transform: translateY(50%); }
}

@media (prefers-reduced-motion: reduce) {
  .snow, .snow::before, .snow::after, .gift[open] .reveal { animation: none !important; }
}

/* ---------- impaginazione ---------- */
main {
  position: relative;
  z-index: 1;
  max-width: 620px;
  margin: 0 auto;
  padding: 48px 18px 24px;
}

header { text-align: center; color: var(--cream); margin-bottom: 18px; }
.tree { font-size: 40px; line-height: 1; }
h1 {
  margin: 8px 0 0;
  font-size: clamp(30px, 7vw, 44px);
  font-weight: normal;
  color: var(--cream);
}
.sub { margin: 4px 0 0; font-style: italic; color: #d9cdb8; }

.meta {
  display: flex; flex-wrap: wrap; gap: 8px 18px; justify-content: center;
  color: var(--cream); margin: 0 0 16px;
}
.meta b { color: var(--gold); font-weight: normal; }

footer {
  position: relative; z-index: 1;
  text-align: center; color: #9fb8ab; font-size: 14px; font-style: italic;
  padding: 10px 0 30px;
}

/* ---------- card ---------- */
.card {
  background: var(--cream);
  border-radius: 8px;
  padding: 20px 22px;
  margin: 0 0 16px;
}
.card.center { text-align: center; }
.card h2 { margin: 0 0 10px; font-size: 20px; font-weight: normal; color: var(--red-dark); }
.card h3 { margin: 18px 0 6px; font-size: 17px; font-weight: normal; color: var(--red-dark); }
.card p { margin: 0 0 10px; }
.big { font-size: 20px; }
.hint { color: var(--muted); font-size: 14px; font-style: italic; }

/* ---------- form ---------- */
label { display: block; margin: 12px 0 4px; }
input[type=text], input:not([type]), textarea {
  width: 100%;
  font: inherit;
  padding: 10px 12px;
  border: 1px solid #d8ccb6;
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
}
input:focus, textarea:focus { outline: 2px solid var(--red); outline-offset: -1px; border-color: transparent; }
textarea { resize: vertical; }

.btn {
  display: inline-block;
  margin-top: 14px;
  font: inherit;
  font-size: 16px;
  color: #fff;
  background: var(--red);
  border: 0;
  border-radius: 6px;
  padding: 9px 22px;
  cursor: pointer;
}
.btn:hover { background: var(--red-dark); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.big { font-size: 18px; padding: 11px 28px; }
.btn.small { font-size: 14px; padding: 6px 12px; margin-top: 0; }
.btn.ghost { background: transparent; color: var(--red-dark); border: 1px solid var(--red-dark); }
.btn.ghost:hover { background: #f3e4e2; }

.copy label { margin-top: 6px; font-size: 14px; color: var(--muted); }
.copy .row { display: flex; gap: 8px; align-items: center; }
.copy input { font-size: 13px; font-family: ui-monospace, monospace; padding: 8px 10px; }

.flash {
  position: relative; z-index: 1;
  background: #e7f6ec; color: #134d30;
  border-left: 4px solid var(--green-ok);
  border-radius: 6px; padding: 12px 14px; margin: 0 0 18px;
}
.card .flash { margin: 0 0 10px; }
.flash.err { background: #fbe5e5; color: var(--red-dark); border-left-color: var(--red); }

/* ---------- liste ---------- */
.names { list-style: none; padding: 0; margin: 0; columns: 2; column-gap: 20px; }
.names li { padding: 3px 0; break-inside: avoid; }
.names.admin { columns: 1; }
.names.admin li {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  padding: 7px 0; border-bottom: 1px solid #ebe1cf;
}
.names.admin li > span:first-child { flex: 1; }
form.inline { display: inline; }
.tag { font-size: 12px; padding: 2px 8px; border-radius: 999px; background: #eee3cf; color: var(--muted); }
.tag.ok { background: #d8f0e1; color: var(--green-ok); }

.links { padding-left: 18px; font-size: 14px; }
.links li { margin: 8px 0; }
code { font-size: 12px; word-break: break-all; color: var(--muted); }
details > summary { cursor: pointer; }

/* ---------- il pacchetto ---------- */
.gift > summary {
  list-style: none;
  display: inline-flex; flex-direction: column; align-items: center; gap: 4px;
  margin: 8px auto 0; padding: 10px 24px;
  color: var(--red-dark); font-size: 18px;
  user-select: none;
}
.gift > summary::-webkit-details-marker { display: none; }
.gift .box { font-size: 64px; line-height: 1; }
.gift[open] > summary { display: none; }
.gift[open] .reveal { animation: fade .4s ease-out; }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
.recipient {
  font-size: clamp(30px, 8vw, 40px);
  color: var(--red);
  margin: 4px 0 6px !important;
}

@media (max-width: 480px) {
  .names { columns: 1; }
  .card { padding: 18px 16px; }
}