:root{
  --bg-from: #b91c1c; /* red-700 */
  --bg-to: #065f46;   /* green-800 */
  --accent: #fbbf24;  /* amber-400 */
  --card: rgba(255,255,255,0.9);
  --muted: #6b7280;
  --radius: 18px;
  --max-width: 900px;
  --page-padding: 24px;
}

/* Reset-ish */
*{box-sizing:border-box}
html,body,#app{height:100%}
body{
  margin:0;
  font-family: "Nunito", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  background: linear-gradient(180deg,var(--bg-from),var(--bg-to));
  color:#111827;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow: hidden;
}

/* Page containers */
.page{display:none;width:100%;height:100%;padding:var(--page-padding);position:relative}
.page.active{display:block}
.landing-inner{max-width:var(--max-width);margin:0 auto;text-align:center;padding-top:48px}
.hero{margin-bottom:16px}
.title{font-family:'Fredoka One',sans-serif;color:#fff;font-size:48px;margin:8px 0}
.subtitle{color:rgba(255,255,255,0.95);font-weight:700;margin-bottom:18px}
.santa-img{width:260px;height:260px;border-radius:50%;object-fit:cover;border:8px solid rgba(255,255,255,0.9);box-shadow:0 12px 30px rgba(2,6,23,0.45)}
.cta-row{margin-top:22px}
.btn-giant{background:linear-gradient(90deg,#f97316,#dc2626);color:white;border:0;padding:18px 28px;border-radius:999px;font-size:20px;box-shadow:0 12px 30px rgba(2,6,23,0.35);cursor:pointer}
.btn-giant:active{transform:scale(.99)}
.tiny{color:rgba(255,255,255,0.85);font-size:13px;margin-top:10px}

/* child intro */
.child-intro .content-card{max-width:640px;margin:80px auto;padding:28px;background:rgba(255,255,255,0.95);border-radius:20px;box-shadow:0 8px 30px rgba(2,6,23,0.25);text-align:center}
.lead{font-weight:700;color:#0f172a}
.buttons{display:flex;gap:12px;justify-content:center;margin-top:18px}
.btn-primary{background:var(--accent);border:0;padding:12px 18px;border-radius:12px;cursor:pointer;font-weight:700}
.btn-outline{background:transparent;border:2px solid rgba(15,23,42,0.08);padding:10px 14px;border-radius:12px;cursor:pointer}
.btn-outline.small{padding:6px 10px;font-size:14px}

/* adult gate */
.adult-gate{display:flex;align-items:center;justify-content:center}
.adult-inner{max-width:760px;margin:auto;background:white;border-radius:16px;padding:28px;box-shadow:0 12px 40px rgba(2,6,23,0.2)}
.adult-header h2{font-family:'Fredoka One',sans-serif;margin:0;color:#0f172a}
.muted{color:var(--muted)}
.parent-form .field{display:flex;flex-direction:column;margin-bottom:14px}
.parent-form label{font-weight:700;margin-bottom:6px}
.parent-form input{padding:12px;border-radius:10px;border:1px solid #e6e7eb}
.privacy{background:#f8fafc;border-radius:12px;padding:12px;margin:12px 0}
.legal-note{font-size:12px;color:var(--muted);margin-top:10px}

/* chat */
.chat{display:flex;align-items:center;justify-content:center}
.chat-inner{width:100%;max-width:820px;height:82vh;background:var(--card);border-radius:14px;padding:0;display:flex;flex-direction:column;box-shadow:0 12px 40px rgba(2,6,23,0.2)}
.chat-header{display:flex;justify-content:space-between;align-items:center;padding:18px 22px;border-bottom:1px solid rgba(2,6,23,0.06)}
.chat-body{flex:1;padding:18px;overflow:auto}
.messages{display:flex;flex-direction:column;gap:12px}
.msg{max-width:78%;padding:12px 14px;border-radius:12px}
.msg.user{align-self:flex-end;background:#fde68a}
.msg.santa{align-self:flex-start;background:#fff}
.chat-form{display:flex;padding:14px;border-top:1px solid rgba(2,6,23,0.06)}
.chat-form input{flex:1;padding:12px;border-radius:12px;border:1px solid #e6e7eb;margin-right:10px}
.btn-send{background:linear-gradient(90deg,#10b981,#059669);color:white;padding:10px 14px;border-radius:10px;border:0;cursor:pointer}

/* small toast */
.toast{position:fixed;right:18px;bottom:18px;background:#111827;color:white;padding:10px 14px;border-radius:8px;opacity:0;transform:translateY(10px);transition:all .2s}
.toast.show{opacity:1;transform:translateY(0)}

/* snow */
.snow-layer{position:fixed;inset:0;pointer-events:none;z-index:5/*;overflow:hidden*/}
.snowflake{position:absolute;top:-10px;font-size:20px;opacity:0.95;filter:drop-shadow(0 2px 3px rgba(0,0,0,0.25))}

/* responsive */
@media (max-width:720px){
  .title{font-size:36px}
  .santa-img{width:160px;height:160px}
  .landing-inner{padding-top:28px}
  .child-intro .content-card{margin:40px 12px}
}

/* small helper */
.hidden{display:none}