:root{
  --red-1:#b3141d; --red-2:#860c13; --red-3:#4d0408; --ink:#2a0003;
  --gold-hi:#fff4d6; --gold:#e2bd72; --gold-mid:#c99a45; --gold-lo:#8f6420;
  --grain:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='1.1' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .55 0 0 0 0 .45 0 0 0 0 .3 0 0 0 .9 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  --matte-gold:var(--grain),radial-gradient(130% 160% at 25% 0%,rgba(255,247,222,.6),rgba(255,247,222,0) 55%),linear-gradient(165deg,#ecd5a4 0%,#d3b073 40%,#b99252 70%,#d8bb84 100%);
  --gold-text:linear-gradient(100deg,var(--gold-lo) 0%,#fbe7b0 18%,var(--gold-mid) 36%,var(--gold-hi) 50%,#b8862f 64%,#e9c77e 82%,var(--gold-lo) 100%);
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;overflow:hidden;color:var(--gold-hi);font:15px/1.5 system-ui,-apple-system,"Segoe UI",sans-serif;
  background:radial-gradient(120% 90% at 50% 35%,#7a0a12 0%,#4a0509 55%,#220104 100%)}
/* faint diamond lattice, like embossed ang pau paper */
body::before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.07;
  background:repeating-linear-gradient(45deg,var(--gold) 0 1px,transparent 1px 28px),repeating-linear-gradient(-45deg,var(--gold) 0 1px,transparent 1px 28px)}

/* faint gold Seoul skyline: Gyeongbokgung roofs + N Seoul Tower */
.skyline{position:fixed;left:0;right:0;bottom:0;height:min(22vh,16vw);width:100%;pointer-events:none;opacity:.38}
.skyline path,.skyline rect{fill:none;stroke:var(--gold);stroke-width:1.3;vector-effect:non-scaling-stroke;stroke-linecap:round;stroke-linejoin:round}
.skyline .far{opacity:.5}
.ko{font-family:"Nanum Myeongjo",serif;font-weight:800}
header{position:relative;z-index:2;text-align:center;padding:calc(18px + env(safe-area-inset-top,0px)) 16px 0}
header .brand{display:inline-flex;align-items:center;gap:10px;font:600 12px Cinzel,serif;letter-spacing:.28em;color:var(--gold)}
header .brand svg{width:34px;height:28px}
header h1{margin:6px 0 0;font:700 clamp(22px,5.4vw,40px)/1.15 Cinzel,serif;letter-spacing:.08em;
  background:var(--gold-text);background-size:200% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:shine 6s linear infinite}

/* stage = the space between header and bottom bar; everything inside is centred and stacked */
.stage{position:fixed;z-index:2;left:0;right:0;top:var(--top,100px);bottom:var(--bottom,0px);display:grid;place-items:center;perspective:1200px}
.stage>*{grid-area:1/1}
.pk{display:flex;flex-direction:column;align-items:center;gap:14px}

/* rotating light rays behind the packet (grand prize suspense) */
.rays{position:absolute;width:160vmax;height:160vmax;opacity:0;transition:opacity .6s;pointer-events:none;
  background:repeating-conic-gradient(from 0deg,rgba(255,220,140,.22) 0 6deg,transparent 6deg 18deg);
  -webkit-mask:radial-gradient(circle,#000 0,transparent 55%);mask:radial-gradient(circle,#000 0,transparent 55%);
  animation:spin 14s linear infinite}
.rays.on{opacity:1}
.dim{position:fixed;inset:0;background:#000;opacity:0;pointer-events:none;transition:opacity .5s;z-index:1}
.dim.on{opacity:.62}
.flash{position:fixed;inset:0;pointer-events:none;opacity:0;z-index:50;background:radial-gradient(circle,#fffbe9 0,#ffe2a0 40%,rgba(255,200,90,0) 75%)}
.flash.go{animation:flash .9s ease-out}
.flash.soft.go{animation:flash-soft .6s ease-out}

/* packet */
.packet-btn{position:relative;z-index:2;border:0;padding:0;background:none;cursor:pointer;
  /* fit both width and the available height (small laptop screens) */
  width:min(62vw,300px,(100dvh - var(--top,100px) - var(--bottom,0px) - 70px) * 360 / 520);aspect-ratio:360/520;transform-style:preserve-3d;transition:transform .7s cubic-bezier(.5,-0.3,.4,1.3),opacity .5s}
.packet-btn svg{width:100%;height:100%;display:block;border-radius:14px;box-shadow:0 30px 60px -18px #000d,0 0 0 1px #ffd98a22}
.packet-btn.idle{animation:bob 3.2s ease-in-out infinite}
.packet-btn .glow{position:absolute;inset:-18%;border-radius:40%;opacity:0;pointer-events:none;
  background:radial-gradient(circle,rgba(255,215,120,.85) 0,rgba(255,180,60,.35) 35%,transparent 68%);filter:blur(6px);transition:opacity .4s;z-index:-1}
.packet-btn.suspense{animation:shake .12s linear infinite}
.packet-btn.suspense .glow{opacity:1;animation:pulse .5s ease-in-out infinite alternate}
.packet-btn.open{transform:rotateY(90deg) scale(1.15);opacity:0}
.hint{z-index:2;font:600 12px Cinzel,serif;letter-spacing:.3em;color:var(--gold);animation:fade 1.6s ease-in-out infinite alternate}

/* reveal card */
.reveal{position:relative;z-index:3;text-align:center;padding:36px 28px 30px;width:min(88vw,460px);border-radius:20px;
  background:linear-gradient(160deg,#9b111b,#5a0710);box-shadow:0 40px 80px -20px #000e,inset 0 0 0 1px #ffd98a55,inset 0 0 0 7px #5a0710,inset 0 0 0 8px #ffd98a33;
  transform:rotateY(-90deg);opacity:0;transition:transform .7s cubic-bezier(.2,.9,.3,1.25),opacity .3s}
.reveal.show{transform:none;opacity:1}
.reveal .badge{display:inline-block;font:600 11px Cinzel,serif;letter-spacing:.3em;color:var(--ink);padding:5px 14px;border-radius:99px;background:var(--gold-text);background-size:200% 100%;animation:shine 4s linear infinite}
.reveal .tier{margin:14px 0 0;font:700 clamp(26px,7.5vw,46px)/1.1 Cinzel,serif;letter-spacing:.04em;
  background:var(--gold-text);background-size:200% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:shine 3s linear infinite;filter:drop-shadow(0 2px 0 #3a0306)}
.reveal .amount{margin:12px 0 4px;font:700 clamp(46px,15vw,88px)/1 Cinzel,serif;color:var(--gold-hi);text-shadow:0 0 24px #ffcf6a88,0 3px 0 #3a0306}
.reveal .amount small{font-size:.38em;vertical-align:.95em;margin-right:.15em;color:var(--gold)}
.reveal .who{margin:10px 0 0;color:#f6dcb0}
.reveal .who b{color:var(--gold-hi)}
.reveal .trip{margin:14px 0 0;padding-top:12px;border-top:1px solid #ffd98a33;color:var(--gold);font-size:14px;letter-spacing:.02em}
.reveal .trip .ko{display:block;margin-top:2px;font-size:17px;color:var(--gold-hi)}
.reveal.grand{box-shadow:0 0 0 2px #ffd98a,0 0 60px 10px #ffc94a66,0 40px 80px -20px #000e,inset 0 0 0 7px #5a0710,inset 0 0 0 8px #ffd98a55}

/* lingering sparkles after the grand prize */
.sparkles{position:fixed;inset:0;pointer-events:none;z-index:1}
.sparkles i{position:absolute;width:6px;height:6px;border-radius:50%;background:#ffe9b0;box-shadow:0 0 10px 3px #ffcf6a;opacity:0;animation:twinkle 2.4s ease-in-out infinite}

/* "others' view": winner list + broadcast banner */
.banner{position:fixed;left:50%;top:calc(12px + env(safe-area-inset-top,0px));z-index:60;width:min(94vw,640px);
  transform:translate(-50%,-160%);transition:transform .7s cubic-bezier(.2,.9,.3,1.2);
  padding:14px 20px;border-radius:14px;text-align:center;color:var(--gold-hi);
  background:linear-gradient(160deg,#a8121c,#5a0710);box-shadow:0 0 0 1.5px #ffd98a,0 20px 40px -10px #000c,0 0 40px #ffc94a55}
.banner.show{transform:translate(-50%,0)}
.banner .k{display:block;font:600 11px Cinzel,serif;letter-spacing:.3em;color:var(--gold)}
.banner .t{font:600 clamp(15px,4vw,19px)/1.35 system-ui,sans-serif}
.banner .t b{color:#ffe7a8}


/* intro: rules + IC + sound check (scrolls on its own between header and bottom bar) */
.intro{position:fixed;left:0;right:0;top:var(--top,100px);bottom:var(--bottom,0px);overflow-y:auto;z-index:3;padding:8px 16px 32px;scrollbar-color:#ffd98a55 transparent;scrollbar-width:thin}
.intro-in{max-width:980px;margin:0 auto;display:grid;gap:16px;grid-template-columns:minmax(0,1fr)}
.col{display:grid;gap:16px;align-content:start}
@media (min-width:900px){.intro-in{grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);align-items:start}}
.card{background:linear-gradient(160deg,#7d0b13f0,#4a0509f0);border-radius:18px;padding:20px;box-shadow:inset 0 0 0 1px #ffd98a40,0 24px 50px -20px #000c}
.card h2{margin:0 0 12px;font:600 13px Cinzel,serif;letter-spacing:.28em;color:var(--gold)}
.when{margin:0 0 18px;font-size:13px;color:#f1d3a3;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.when .dot{width:8px;height:8px;border-radius:50%;background:#5fe08a;box-shadow:0 0 0 4px #5fe08a33;animation:fade 1.2s ease-in-out infinite alternate}
.when b{color:#9ff0b8}
.start label{display:block;font:600 12px Cinzel,serif;letter-spacing:.25em;color:var(--gold);margin-bottom:8px}
.start input{width:100%;font:600 clamp(20px,5.5vw,26px)/1 ui-monospace,Consolas,monospace;letter-spacing:.08em;text-align:center;padding:14px 12px;border-radius:12px;border:1px solid #ffd98a66;background:#2a0306;color:var(--gold-hi);outline:none}
.start input:focus{border-color:#ffd98a;box-shadow:0 0 0 3px #ffd98a33}
.start input[aria-invalid=true]{border-color:#ff8a7a;box-shadow:0 0 0 3px #ff8a7a33}
.err{margin:8px 0 0;color:#ffb4a8;font-weight:600;text-align:center}
.sound{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:12px;align-items:center;margin:16px 0;padding:12px 14px;border-radius:12px;background:#ffd98a14;border:1px dashed #ffd98a66;font-size:13px;color:#f6dcb0}
.sound svg{width:30px;height:30px;color:var(--gold)}
.sound b{color:var(--gold-hi);font-size:14px}
.sound button{font:600 12px system-ui;color:var(--gold-hi);background:transparent;border:1px solid #ffd98a88;border-radius:99px;padding:8px 12px;cursor:pointer;white-space:nowrap}
.sound button.ok{border-color:#5fe08a;color:#9ff0b8}
.matte{background:var(--matte-gold);background-size:180px 180px,100% 100%,100% 100%;background-blend-mode:soft-light,normal,normal;
  box-shadow:inset 0 1px 0 rgba(255,250,232,.75),inset 0 -2px 4px rgba(90,55,15,.35),0 1px 0 rgba(60,20,5,.4)}
.cta{width:100%;padding:16px;border:0;border-radius:14px;cursor:pointer;font:700 clamp(16px,4.4vw,19px) Cinzel,serif;letter-spacing:.2em;color:#4a0a0a;
  text-shadow:0 1px 0 rgba(255,244,214,.55);transition:filter .2s,transform .1s}
.cta.matte{box-shadow:inset 0 1px 0 rgba(255,250,232,.8),inset 0 -3px 6px rgba(90,55,15,.35),0 12px 26px -10px rgba(255,190,90,.45),0 2px 0 rgba(60,20,5,.5)}
.cta:hover{filter:brightness(1.05)}
.cta:active{transform:translateY(1px);filter:brightness(.97)}
.steps{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.steps li{display:grid;grid-template-columns:30px minmax(0,1fr);gap:12px;align-items:center;color:#f6dcb0}
.steps b{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;font:700 14px Cinzel,serif;color:#4a0a0a;text-shadow:0 1px 0 rgba(255,244,214,.55)}
.prizes{width:100%;border-collapse:collapse;font-size:14px}
.prizes td{padding:8px 4px;border-top:1px solid #ffd98a22;color:#f6dcb0}
.prizes td:nth-child(2){text-align:right;font:700 15px Cinzel,serif;color:var(--gold-hi);white-space:nowrap}
.prizes td:nth-child(3){text-align:right;color:#d9b98a;width:3.5em}
.prizes tr.top td:first-child{color:var(--gold-hi);font-weight:600}
.prizes tfoot td{border-top:1px solid #ffd98a66;color:var(--gold);font-weight:600}
.rules{list-style:none;margin:16px 0 0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.rules li{display:grid;grid-template-columns:34px minmax(0,1fr);gap:10px;align-items:center;padding:10px;border-radius:12px;background:#2a03064d;box-shadow:inset 0 0 0 1px #ffd98a26}
.rules .ri{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;color:#5a1208}
.rules .ri svg{width:18px;height:18px}
.rules b{display:block;color:var(--gold-hi);font-size:13.5px;line-height:1.25}
.rules span span,.rules li>span:last-child{font-size:12px;line-height:1.35;color:#e6c79a}
.credit{max-width:980px;margin:22px auto 0;text-align:center;font:500 11px Cinzel,serif;letter-spacing:.22em;text-transform:uppercase;color:#d9b98a99}
.credit b{font-weight:600;color:var(--gold)}

/* winner list tabs */
.tabs{padding-top:10px}
.tablist{display:flex;gap:4px;margin:0 0 14px;border-bottom:1px solid #ffd98a2e}
.tablist button{flex:1;background:none;border:0;padding:10px 4px;margin-bottom:-1px;border-bottom:2px solid transparent;cursor:pointer;
  font:600 11.5px Cinzel,serif;letter-spacing:.14em;color:#d9b98a;white-space:nowrap}
.tablist button[aria-selected=true]{color:var(--gold-hi);border-bottom-color:var(--gold)}
.cnt{font:600 11px system-ui;letter-spacing:0;margin-left:3px;padding:1px 6px;border-radius:99px;background:#ffd98a26;color:var(--gold-hi)}
@media (min-width:900px){.panel{max-height:calc(100dvh - var(--top,100px) - var(--bottom,0px) - 110px);overflow-y:auto;scrollbar-width:thin;scrollbar-color:#ffd98a55 transparent;padding-right:4px}}
.prog{height:6px;border-radius:99px;background:#2a0306;overflow:hidden;box-shadow:inset 0 0 0 1px #ffd98a26}
.prog span{display:block;height:100%;width:var(--p,0%);transition:width .8s;
  background:var(--matte-gold);background-size:180px 180px,100% 100%,100% 100%;background-blend-mode:soft-light,normal,normal}
.prog-t{margin:8px 0 12px;font-size:12.5px;color:#e6c79a}.prog-t b{color:var(--gold-hi)}
.slots{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-bottom:10px}
.slot{padding:8px 10px;border-radius:10px;background:#2a03064d;box-shadow:inset 0 0 0 1px #ffd98a26;min-width:0}
.slot span{display:block;font:600 10px Cinzel,serif;letter-spacing:.12em;color:#d9b98a}
.slot b{display:block;margin-top:2px;font-size:13px;font-weight:500;font-style:italic;color:#e6c79a99;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.slot.won{box-shadow:inset 0 0 0 1px #ffd98a88,0 0 18px -6px #ffcf6a88}.slot.won b{color:var(--gold-hi);font-style:normal;font-weight:600}
.wl{list-style:none;margin:0;padding:0}
.wl li{display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:10px;align-items:center;padding:9px 6px;border-top:1px solid #ffd98a1f}
.wl .n{color:#f6dcb0;font-size:14px;min-width:0}.wl small{display:block;font-size:11.5px;color:#c9a77a;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.wl b{font:700 15px Cinzel,serif;color:var(--gold-hi)}
.wl .tg{font:700 9px Cinzel,serif;letter-spacing:.08em;color:#4a0a0a;padding:3px 7px;border-radius:99px;white-space:nowrap}
.wl li.new{animation:row-in .8s cubic-bezier(.2,.9,.3,1.2),row-glow 2.4s ease-out}
.wl li.me{background:linear-gradient(90deg,#ffd98a33,transparent 70%);box-shadow:inset 3px 0 0 var(--gold)}
.cta.small{margin-top:18px;padding:12px;font-size:14px;letter-spacing:.16em}

/* ang pau rain: big, slow packets in lanes; tap one to catch it */
.rain{position:fixed;inset:0;pointer-events:none;z-index:3;overflow:hidden}
.drop{position:absolute;top:0;width:min(26vw,120px);aspect-ratio:360/520;padding:0;border:0;background:none;cursor:pointer;pointer-events:auto;
  will-change:transform;animation:drop var(--d) linear forwards;filter:drop-shadow(0 10px 14px #000a);transition:opacity .3s}
.drop::before{content:"";position:absolute;inset:-14px} /* tap area bigger than the packet: a near miss still counts */
.drop svg{position:absolute;inset:0;width:100%;height:100%}
.drop:hover,.drop:focus-visible{outline:none;filter:drop-shadow(0 0 18px #ffcf6a) drop-shadow(0 10px 14px #000a)}
.drop.away{opacity:0}
.drop.caught{animation-play-state:paused;filter:drop-shadow(0 0 26px #ffd98a) drop-shadow(0 10px 14px #000a)}
@keyframes drop{0%{transform:translate(0,-130%) rotate(var(--r0))}50%{transform:translate(var(--sway),calc(50vh - 50%)) rotate(0deg)}100%{transform:translate(0,calc(100vh + 20px)) rotate(var(--r1))}}
@media (prefers-reduced-motion:reduce){.drop{animation-play-state:paused}}
.pick{position:fixed;z-index:5;left:50%;top:calc(var(--top,100px) + 2px);transform:translateX(-50%);width:max-content;max-width:calc(100% - 32px);
  display:flex;flex-direction:column;align-items:center;gap:4px;text-align:center;pointer-events:none;
  padding:10px 22px;border-radius:18px;background:#3a0408d9;box-shadow:inset 0 0 0 1px #ffd98a44,0 12px 30px -10px #000c;backdrop-filter:blur(3px)}
.hello{margin:0;color:#f6dcb0;font-size:15px}.hello b{color:var(--gold-hi)}
.pick-t{margin:0;font:600 clamp(14px,3.6vw,18px) Cinzel,serif;letter-spacing:.2em;color:var(--gold);animation:fade 1.4s ease-in-out infinite alternate}
[hidden]{display:none!important}
@keyframes shine{to{background-position:-200% 0}}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes bob{50%{transform:translateY(-10px) rotate(-1deg)}}
@keyframes shake{0%{transform:translate(0,0) rotate(0)}25%{transform:translate(-3px,1px) rotate(-2deg)}50%{transform:translate(3px,-1px) rotate(2deg)}75%{transform:translate(-2px,-1px) rotate(-1deg)}}
@keyframes pulse{to{transform:scale(1.12)}}
@keyframes fade{from{opacity:.35}to{opacity:1}}
@keyframes flash{0%{opacity:0}12%{opacity:1}100%{opacity:0}}
@keyframes flash-soft{0%{opacity:0}20%{opacity:.55}100%{opacity:0}}
@keyframes twinkle{0%,100%{opacity:0;transform:scale(.4)}50%{opacity:1;transform:scale(1)}}
@keyframes row-in{from{transform:translateY(-14px);opacity:0}}
@keyframes row-glow{0%,40%{background:#ffd98a33}100%{background:transparent}}
.sweep{animation:sweep 3.2s cubic-bezier(.4,0,.2,1) infinite}
@keyframes sweep{0%{transform:skewX(-20deg) translateX(0)}60%,100%{transform:skewX(-20deg) translateX(2400px)}}
@media (prefers-reduced-motion:reduce){
  .rays,.packet-btn.idle,.packet-btn.suspense,.sweep,header h1,.reveal .tier{animation:none}
}

/* ---------- live page additions (not in the demo) ---------- */
.snd-btn{position:absolute;right:12px;top:calc(10px + env(safe-area-inset-top,0px));width:34px;height:34px;border-radius:50%;display:grid;place-items:center;
  background:#2a0306aa;border:1px solid #ffd98a55;color:var(--gold);cursor:pointer}
.snd-btn svg{width:18px;height:18px} /* sits beside the small brand line, clear of the title even at 390px */
.snd-btn[aria-pressed="false"] .on,.snd-btn[aria-pressed="true"] .off{display:none}
.cta[disabled]{filter:grayscale(.55) brightness(.8);cursor:not-allowed}
.when.before .dot{background:#ffd98a;box-shadow:0 0 0 4px #ffd98a33}.when.before b{color:#ffe7a8}
.when.closed .dot{background:#c9a77a;box-shadow:none;animation:none}.when.closed b{color:#e6c79a}
.wl li.empty{grid-template-columns:1fr;color:#c9a77a;font-style:italic;text-align:center;padding:18px 6px}
.toast{position:fixed;left:50%;bottom:calc(24px + env(safe-area-inset-bottom,0px));z-index:80;max-width:calc(100% - 32px);transform:translate(-50%,180%);
  padding:12px 18px;border-radius:12px;background:#2a0306f2;color:var(--gold-hi);text-align:center;
  box-shadow:inset 0 0 0 1px #ffd98a66,0 12px 30px -10px #000c;transition:transform .4s cubic-bezier(.2,.9,.3,1.2)}
.toast.show{transform:translate(-50%,0)}
.reveal .tier.long{font-size:clamp(20px,6.6vw,36px)} /* keeps "Congratulations!" inside the card, phone to desktop */