:root {
  --red: #c8102e;
  --red-dark: #8e0b20;
  --green: #146b3a;
  --green-dark: #0b4426;
  --gold: #f5c542;
  --cream: #fff8ec;
  --ink: #2a1a12;
  --muted: #7a6656;
  --card: #fffdf8;
  --radius: 18px;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: "Trebuchet MS", "Segoe UI", system-ui, sans-serif;
  color: var(--ink);
  min-height: 100vh;
  background:
    radial-gradient(ellipse at top, #1f5a3a 0%, #0d2a1c 55%, #071810 100%) fixed;
  display: flex; flex-direction: column;
}
#snow { position: fixed; inset: 0; pointer-events: none; z-index: 0; overflow: hidden; }
.flake { position: absolute; top: -20px; color: #fff; opacity: .8; animation: fall linear infinite; user-select: none; }
@keyframes fall { to { transform: translateY(110vh) rotate(360deg); } }

.top, main, .foot { position: relative; z-index: 1; }
.top { display: flex; justify-content: space-between; align-items: center; padding: 14px 20px; }
.logo { color: #fff; text-decoration: none; font-weight: 800; font-size: 1.3rem; letter-spacing: .5px; display: flex; align-items: center; gap: 8px; }
.santa-mini { font-size: 1.8rem; }
.lang button { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,.4); border-radius: 999px; padding: 4px 12px; margin-left: 6px; cursor: pointer; font-weight: 700; }
.lang button.on { background: var(--gold); color: var(--ink); border-color: var(--gold); }

main { width: 100%; max-width: 760px; margin: 0 auto; padding: 0 16px 40px; flex: 1; }
.foot { text-align: center; color: rgba(255,255,255,.5); font-size: .85rem; padding: 16px; }

.hero { text-align: center; color: #fff; padding: 10px 0 24px; }
.hero h1 { font-size: clamp(2rem, 6vw, 3.2rem); margin: 8px 0; text-shadow: 0 3px 0 var(--red-dark); }
.hero p { font-size: 1.1rem; opacity: .9; margin: 0 auto; max-width: 520px; }
.santa-svg { width: 150px; height: 150px; animation: bob 3s ease-in-out infinite; }
@keyframes bob { 50% { transform: translateY(-8px) rotate(-3deg); } }

.card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 22px;
  margin-bottom: 18px;
  box-shadow: 0 10px 30px rgba(0,0,0,.35);
  border-top: 8px solid var(--red);
  position: relative;
}
.card.green { border-top-color: var(--green); }
.card.gold { border-top-color: var(--gold); }
.card h2 { margin: 0 0 12px; font-size: 1.35rem; color: var(--red-dark); }
.card.green h2 { color: var(--green-dark); }
.card h3 { margin: 16px 0 8px; font-size: 1.05rem; }

label { display: block; font-weight: 700; margin: 12px 0 4px; font-size: .95rem; }
.hint { font-weight: 400; color: var(--muted); font-size: .85rem; }
input, textarea, select {
  width: 100%; padding: 12px 14px; font: inherit; font-size: 1rem;
  border: 2px solid #e6d9c6; border-radius: 12px; background: #fff; color: var(--ink);
}
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--green); }
textarea { min-height: 90px; resize: vertical; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--red); color: #fff; border: 0; border-radius: 999px;
  padding: 12px 22px; font: inherit; font-weight: 800; font-size: 1rem; cursor: pointer;
  box-shadow: 0 4px 0 var(--red-dark); transition: transform .08s, box-shadow .08s;
  text-decoration: none; margin-top: 14px;
}
.btn:active { transform: translateY(3px); box-shadow: 0 1px 0 var(--red-dark); }
.btn.green { background: var(--green); box-shadow: 0 4px 0 var(--green-dark); }
.btn.gold { background: var(--gold); color: var(--ink); box-shadow: 0 4px 0 #b48a1d; }
.btn.ghost { background: transparent; color: var(--ink); border: 2px solid #e6d9c6; box-shadow: none; }
.btn.small { padding: 6px 14px; font-size: .85rem; margin-top: 0; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.row > .grow { flex: 1; min-width: 180px; }

.linkbox { display: flex; gap: 8px; margin-top: 6px; }
.linkbox input { font-size: .9rem; background: #f8f2e7; }
.linkbox .btn { margin-top: 0; white-space: nowrap; }

.meta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 10px; }
.pill { background: #f3ebdc; border-radius: 999px; padding: 6px 12px; font-size: .9rem; font-weight: 700; }
.pill.red { background: var(--red); color: #fff; }
.pill.green { background: var(--green); color: #fff; }

.group-title { color: #fff; text-align: center; margin: 4px 0 18px; }
.group-title h1 { margin: 0; font-size: clamp(1.8rem, 5vw, 2.6rem); text-shadow: 0 3px 0 var(--red-dark); }
.group-title .desc { opacity: .9; white-space: pre-wrap; margin-top: 6px; }

.countdown { display: flex; justify-content: center; gap: 10px; margin: 8px 0 4px; }
.countdown div { background: var(--red); color: #fff; border-radius: 12px; padding: 8px 10px; min-width: 64px; text-align: center; box-shadow: 0 4px 0 var(--red-dark); }
.countdown b { display: block; font-size: 1.6rem; }
.countdown span { font-size: .75rem; text-transform: uppercase; opacity: .85; }

.people { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.people li { background: #faf4ea; border-radius: 14px; padding: 12px 14px; display: flex; gap: 12px; align-items: flex-start; }
.people li.me { outline: 3px solid var(--gold); }
.avatar { width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center; font-weight: 800; color: #fff; flex: none; font-size: 1.1rem; }
.people .info { flex: 1; min-width: 0; }
.people .name { font-weight: 800; }
.people .wish { color: var(--muted); font-size: .9rem; white-space: pre-wrap; word-break: break-word; }

.reveal { text-align: center; }
.gift-box {
  font-size: 110px; cursor: pointer; display: inline-block; user-select: none;
  animation: wiggle 1.6s ease-in-out infinite; background: none; border: 0; padding: 0;
}
@keyframes wiggle { 0%,100% { transform: rotate(0); } 25% { transform: rotate(-8deg); } 75% { transform: rotate(8deg); } }
.reveal .who { font-size: clamp(2rem, 7vw, 3rem); font-weight: 900; color: var(--red); margin: 6px 0; animation: pop .5s ease-out; }
@keyframes pop { from { transform: scale(.3); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.wishbox { background: #faf4ea; border-left: 5px solid var(--green); border-radius: 10px; padding: 12px 14px; text-align: left; white-space: pre-wrap; margin-top: 10px; }

.tabs { display: flex; gap: 8px; margin-bottom: 8px; }
.tabs button { flex: 1; border: 2px solid #e6d9c6; background: #fff; border-radius: 12px; padding: 10px; font: inherit; font-weight: 700; cursor: pointer; }
.tabs button.on { background: var(--green); border-color: var(--green); color: #fff; }

.err { color: var(--red); font-weight: 700; margin-top: 8px; }
.center { text-align: center; }
.muted { color: var(--muted); }

#toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%) translateY(100px); background: var(--ink); color: #fff; padding: 12px 20px; border-radius: 999px; font-weight: 700; transition: transform .25s; z-index: 10; }
#toast.show { transform: translateX(-50%) translateY(0); }

@media (max-width: 520px) {
  .card { padding: 16px; }
  .linkbox { flex-direction: column; }
}