*{margin:0;padding:0;box-sizing:border-box}
:root{--red:#C8102E;--navy:#0B1B3A;--ice:#A8D8FF;--gold:#FFD700;--snow:#fff}
body{background:radial-gradient(ellipse at top,#163064 0%,#0B1B3A 45%,#050d1f 100%);background-attachment:fixed;color:#fff;font-family:'Fira Code',monospace;min-height:100vh;overflow-x:hidden}
#bg-snow{position:fixed;inset:0;pointer-events:none;z-index:0}
#root{position:relative;z-index:1}
.xmas{font-family:'Mountains of Christmas',cursive}
.osw{font-family:'Oswald',Impact,sans-serif}
.title{font-family:Impact,'Oswald',sans-serif;letter-spacing:2px;text-shadow:0 0 20px rgba(200,16,46,.6),3px 3px 0 #000}
.card{background:rgba(15,35,75,.55);backdrop-filter:blur(8px);border:1px solid rgba(168,216,255,.25);border-radius:16px;position:relative}
.card::before{content:'';position:absolute;top:0;left:20px;right:20px;height:3px;background:repeating-linear-gradient(90deg,var(--red) 0 12px,#fff 12px 24px);border-radius:3px}
.h2{font-family:'Oswald',sans-serif;font-weight:700;color:var(--gold);font-size:1.25rem;letter-spacing:1px}
.btn{background:linear-gradient(180deg,#e0213f,#8a0b20);border:2px solid var(--gold);color:var(--gold);font-family:'Oswald',sans-serif;font-weight:700;text-transform:uppercase;letter-spacing:2px;transition:transform .15s,box-shadow .15s;cursor:pointer}
.btn:hover{transform:scale(1.04);box-shadow:0 0 25px rgba(200,16,46,.6),0 0 8px rgba(255,215,0,.4)}
.btn2{background:rgba(0,0,0,.35);border:1px solid rgba(168,216,255,.35);color:var(--ice);font-weight:700;cursor:pointer;transition:all .15s}
.btn2:hover{border-color:var(--gold);color:var(--gold)}
@keyframes pulse{0%,100%{box-shadow:0 0 15px rgba(200,16,46,.5)}50%{box-shadow:0 0 40px rgba(200,16,46,.9)}}
.pulse{animation:pulse 1.6s infinite}
.present{background:linear-gradient(90deg,transparent 46%,var(--gold) 46%,var(--gold) 54%,transparent 54%),linear-gradient(0deg,transparent 44%,var(--gold) 44%,var(--gold) 56%,transparent 56%),linear-gradient(135deg,#b3122c,#7d0a1d);border:3px dashed var(--gold);border-radius:14px;cursor:pointer;transition:transform .2s}
.present:hover,.present.over{transform:scale(1.02) rotate(-.5deg)}
.present .label{background:rgba(11,27,58,.85);border-radius:10px;padding:10px 14px;display:inline-block}
.candy{background:repeating-linear-gradient(45deg,var(--red) 0 10px,#fff 10px 20px);background-size:28px 28px;animation:candy 1s linear infinite;height:100%;transition:width .2s}
@keyframes candy{to{background-position:28px 0}}
.spin{animation:spin 1.5s linear infinite;display:inline-block}
@keyframes spin{to{transform:rotate(360deg)}}
.orn{transition:transform .08s;position:relative}
.orn.active{transform:scale(1.35) rotate(-12deg)}
.orn::before{content:'';position:absolute;top:-5px;left:50%;width:6px;height:5px;margin-left:-3px;background:#c9a227;border-radius:2px}
.lights{display:flex;justify-content:space-around;padding:0 10px;height:24px;border-top:2px solid #1f4d1f}
.bulb{width:10px;height:15px;border-radius:50% 50% 50% 50%/40% 40% 60% 60%;margin-top:2px;opacity:.35;transition:opacity .05s}
.bulb.on{opacity:1;box-shadow:0 0 12px currentColor}
.sleigh{position:absolute;top:10px;font-size:26px;animation:sleigh 20s linear infinite;white-space:nowrap}
@keyframes sleigh{0%{left:-200px}25%{left:110%}100%{left:110%}}
.wobble:hover{animation:wob .5s infinite}
@keyframes wob{0%,100%{transform:rotate(0) scale(1.05)}25%{transform:rotate(-3deg) scale(1.05)}75%{transform:rotate(3deg) scale(1.05)}}
.polaroid{background:#fafafa;padding:6px 6px 22px;transform:rotate(-3deg);box-shadow:0 4px 12px rgba(0,0,0,.5);color:#222}
.polaroid:nth-child(2){transform:rotate(3deg)}
.cork{background:#8b5a2b radial-gradient(#a06b38 1px,transparent 1px);background-size:6px 6px;border-radius:10px}
.dvd{background:linear-gradient(180deg,#3f7cc4,#1d4f8f);border-radius:12px;position:relative;overflow:hidden}
.dvd-sf{background:#c8102e;border:3px solid #fff;border-radius:6px;box-shadow:4px 4px 0 rgba(0,0,0,.3)}
.holly{display:flex;align-items:center;gap:10px;color:#2fa84f;justify-content:center}
.holly::before,.holly::after{content:'';flex:1;max-width:200px;height:1px;background:linear-gradient(90deg,transparent,#2fa84f,transparent)}
textarea,input[type=text]{background:rgba(0,0,0,.4);border:1px solid rgba(168,216,255,.3);color:#fff;border-radius:8px}
input[type=range]{accent-color:var(--red)}
.toast{position:fixed;bottom:20px;right:20px;background:var(--navy);border:2px solid var(--gold);border-radius:10px;padding:12px 18px;color:var(--gold);font-family:'Oswald',sans-serif;z-index:1000;animation:tin .3s;max-width:90vw}
@keyframes tin{from{opacity:0;transform:translateY(20px)}}
.seg{border-radius:999px;padding:4px 10px;font-size:12px}