:root{color-scheme:dark;--bg:#080617;--panel:#17102f;--purple:#7438ff;--gold:#ffd56a;--muted:#bcb0dc}
*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(ellipse at top,#281054 0,#100922 42%,#070612 100%);color:#fff;font-family:Inter,system-ui,-apple-system,sans-serif}
.stars{position:fixed;inset:0;pointer-events:none;opacity:.22;background-image:radial-gradient(#fff 1px,transparent 1px),radial-gradient(#b99bff 1px,transparent 1px);background-size:43px 43px,71px 71px;background-position:0 0,20px 30px}
.app{position:relative;max-width:520px;margin:auto;padding:18px 16px 32px}header{display:flex;align-items:center;justify-content:space-between}.brand{font-weight:900;letter-spacing:2px;color:#e9ddff}.balance{border:1px solid #59418c;background:#1c1436;padding:9px 12px;border-radius:20px;color:var(--gold);font-weight:800}.hero{text-align:center;padding:26px 0 18px}.eyebrow{font-size:10px;letter-spacing:3px;color:#bca5ff;font-weight:800}h1{font-size:29px;line-height:1.12;margin:10px 0 18px;text-shadow:0 0 20px #8b46ff66}.max-prize{display:inline-block;border:1px solid #c79b3b;background:#241833;padding:11px 14px;border-radius:12px;color:#f4dfb4;font-size:14px}.max-prize b{color:var(--gold)}
.chests{display:grid;grid-template-columns:repeat(3,1fr);gap:11px;margin:14px 0}.chest{aspect-ratio:1;border-radius:17px;border:1px solid #7049bd;background:linear-gradient(145deg,#302050,#120e29);display:grid;place-items:center;font-size:clamp(37px,11vw,55px);box-shadow:inset 0 0 20px #7b40ff22,0 6px 18px #0006;cursor:pointer;transition:.18s}.chest:active{transform:scale(.96)}.chest.selected{border:2px solid var(--gold);box-shadow:0 0 20px #ffca4c66,inset 0 0 18px #ffca4c22}.chest:disabled{opacity:.55;cursor:default}.hint{text-align:center;color:var(--muted);font-size:13px}.primary,.secondary{width:100%;display:block;text-align:center;border:0;border-radius:14px;padding:15px 16px;font-weight:850;font-size:15px;text-decoration:none;cursor:pointer}.primary{background:linear-gradient(100deg,#7d3cff,#5924d8);color:white;box-shadow:0 8px 24px #6328d955}.primary:disabled{opacity:.4;cursor:not-allowed}.secondary{margin:10px 0;background:#21163d;border:1px solid #6848a0;color:#f0e7ff}.panel{margin-top:20px;padding:22px 18px;border:1px solid #5b3b8c;border-radius:22px;background:linear-gradient(160deg,#21133d,#100c25);text-align:center;box-shadow:0 12px 40px #0005}.hidden{display:none!important}.big-star{font-size:52px;color:var(--gold);text-shadow:0 0 30px #ffca4c}.panel h2{letter-spacing:1px}.prize-number{font-size:42px;font-weight:950;color:var(--gold);margin:10px}.muted{font-size:12px;color:#bcb0dc;line-height:1.5}.footer-note{text-align:center;color:#786d98;font-size:10px;margin-top:25px}
@media(min-width:420px){.app{padding-top:24px}.chests{gap:14px}.chest{font-size:54px}}


/* STAR CHEST PREMIUM DESIGN */
html { scroll-behavior: smooth; }
body {
  background:
    radial-gradient(ellipse at 50% -15%, #49216e 0, transparent 52%),
    radial-gradient(ellipse at 100% 55%, #19113c 0, transparent 48%),
    linear-gradient(160deg, #0a0717, #10091f 55%, #080612);
  -webkit-tap-highlight-color: transparent;
}
.app { padding-bottom: max(38px, env(safe-area-inset-bottom)); }
.brand {
  letter-spacing: 3px;
  text-shadow: 0 0 22px #b78aff55;
}
.hero { padding-top: 30px; }
.eyebrow {
  display: inline-block;
  padding: 7px 11px;
  border: 1px solid #a98bff33;
  border-radius: 30px;
  background: #a98bff0d;
}
h1 {
  letter-spacing: -.7px;
  text-wrap: balance;
  text-shadow: 0 0 30px #974eff44;
}
.max-prize {
  border-color: #d9b45b88;
  background: linear-gradient(135deg, #34243c, #1a1329);
  box-shadow: inset 0 1px #ffffff0b, 0 8px 26px #0003;
}
.chests { gap: 12px; margin: 22px 0 16px; }
.chest {
  position: relative;
  overflow: hidden;
  border: 1px solid #8965c766;
  border-radius: 20px;
  background:
    radial-gradient(ellipse at 50% 0%, #8b5bd42a, transparent 65%),
    linear-gradient(145deg, #29203f, #151025 78%);
  box-shadow:
    inset 0 1px #ffffff0b,
    inset 0 -12px 24px #0002,
    0 8px 22px #0004;
  transition:
    transform .35s cubic-bezier(.2,.8,.2,1),
    border-color .5s ease,
    background .5s ease,
    box-shadow .5s ease,
    opacity 1.8s ease;
}
.chest::before {
  content: "";
  position: absolute;
  inset: 1px;
  border-radius: inherit;
  pointer-events: none;
  background: linear-gradient(135deg, #ffffff0b, transparent 45%);
}
.chest:not(:disabled):hover {
  transform: translateY(-3px);
  border-color: #c7a5ff;
  box-shadow: 0 10px 28px #7b40ff22, inset 0 0 22px #8b5bd422;
}
.chest.selected {
  border: 1px solid #ffdc83;
  background: linear-gradient(145deg, #47344a, #21172f);
  box-shadow:
    0 0 0 2px #ffdc831c,
    0 0 28px #ffcf6540,
    inset 0 0 25px #ffcf6510;
  transform: translateY(-2px) scale(1.015);
}
.chest.revealed:not(.empty-reveal) {
  border-color: #c5a36d66;
  background: linear-gradient(145deg, #2b2238, #171224);
}
.chest.empty-reveal {
  border-color: #e77d9a;
}
.hint {
  min-height: 20px;
  margin: 14px 0 18px;
  transition: opacity .5s ease;
}
.primary, .secondary {
  position: relative;
  overflow: hidden;
  border-radius: 15px;
  transition:
    transform .25s ease,
    filter .3s ease,
    box-shadow .3s ease,
    opacity .4s ease;
}
.primary {
  background: linear-gradient(105deg, #8c4aff, #6730db 52%, #5124b8);
  box-shadow: 0 9px 28px #7135eb38, inset 0 1px #ffffff25;
}
.primary:not(:disabled):hover {
  filter: brightness(1.12);
  box-shadow: 0 10px 32px #7135eb55;
  transform: translateY(-1px);
}
.primary:active, .secondary:active { transform: scale(.985); }
.primary:disabled { filter: saturate(.6); }
.secondary {
  background: linear-gradient(135deg, #281d43, #191127);
  border-color: #8a69bd77;
}
.panel {
  border-color: #8a69bd55;
  background:
    radial-gradient(ellipse at 50% 0%, #7040a91c, transparent 70%),
    linear-gradient(155deg, #211633, #110c22 80%);
  box-shadow: 0 18px 48px #0005, inset 0 1px #ffffff09;
  backdrop-filter: blur(12px);
}
#result:not(.hidden), #funnel:not(.hidden) {
  animation: panelArrive .75s cubic-bezier(.2,.8,.2,1) both;
}
@keyframes panelArrive {
  from { opacity: 0; transform: translateY(18px) scale(.985); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.big-star {
  animation: starGlow 2.8s ease-in-out infinite;
}
@keyframes starGlow {
  0%, 100% { transform: scale(1); filter: drop-shadow(0 0 5px #ffcf6533); }
  50% { transform: scale(1.055); filter: drop-shadow(0 0 15px #ffcf6580); }
}
.result-win .big-star { color: #ffdc83; }
.result-win .prize-number {
  color: #ffdc83;
  text-shadow: 0 0 28px #ffcf6533;
}
.result-miss .big-star {
  color: #ff9caf;
  text-shadow: 0 0 24px #ff537a55;
  animation: emptyChestPulse 1.2s ease both;
}
.result-miss .prize-number {
  color: #ffb0c0;
  font-size: 34px;
  letter-spacing: 2px;
}
#funnel h2 { text-wrap: balance; }
#registrationLink:not(.hidden) {
  margin-top: 16px;
  border-color: #d9b45b99;
  background: linear-gradient(115deg, #49351e, #30213b);
  color: #ffe6a4;
  box-shadow: 0 0 24px #ffcf651c;
  animation: panelArrive .8s ease both;
}
#sponsors a { margin-top: 9px; }
@media (max-width: 380px) {
  .app { padding-left: 12px; padding-right: 12px; }
  .chests { gap: 8px; }
  .chest { border-radius: 15px; }
  h1 { font-size: 26px; }
  .panel { padding: 19px 14px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
}


/* STAR CHEST GOLD WIN EFFECT */
.win-burst {
  position: fixed;
  inset: 0;
  z-index: 9999;
  overflow: hidden;
  pointer-events: none;
  animation: winBurstFade 2.25s ease forwards;
}
.win-burst-glow {
  position: absolute;
  left: 50%;
  top: 43%;
  width: min(80vw, 420px);
  aspect-ratio: 1;
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(.2);
  background: radial-gradient(circle,
    #ffe8a477 0,
    #ffc94c35 24%,
    #b56bff16 48%,
    transparent 72%);
  animation: winGlowExpand 1.5s cubic-bezier(.15,.7,.2,1) forwards;
}
.win-particle {
  position: absolute;
  left: 50%;
  top: 43%;
  color: #ffe7a0;
  font-size: var(--size, 18px);
  font-weight: 900;
  line-height: 1;
  opacity: 0;
  text-shadow: 0 0 8px #ffcf65, 0 0 22px #ffb82eaa;
  animation: goldParticleFly 1.75s cubic-bezier(.12,.65,.25,1) var(--delay, 0ms) forwards;
  will-change: transform, opacity;
}
@keyframes goldParticleFly {
  0% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(.2) rotate(0);
  }
  12% { opacity: 1; }
  70% { opacity: .95; }
  100% {
    opacity: 0;
    transform: translate(
      calc(-50% + var(--x)),
      calc(-50% + var(--y))
    ) scale(.55) rotate(var(--spin, 90deg));
  }
}
@keyframes winGlowExpand {
  0% { opacity: 0; transform: translate(-50%, -50%) scale(.2); }
  35% { opacity: 1; }
  100% { opacity: 0; transform: translate(-50%, -50%) scale(1.45); }
}
@keyframes winBurstFade {
  0% { opacity: 1; }
  78% { opacity: 1; }
  100% { opacity: 0; }
}
.result-win {
  border-color: #d7ad5f88;
  box-shadow: 0 18px 55px #0006, 0 0 32px #ffcf6518, inset 0 1px #ffffff12;
}
.result-win .prize-number {
  animation: prizeReveal .9s cubic-bezier(.18,.85,.25,1.25) both;
}
@keyframes prizeReveal {
  0% { opacity: 0; transform: translateY(12px) scale(.78); }
  70% { opacity: 1; transform: translateY(-2px) scale(1.06); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}
@media (prefers-reduced-motion: reduce) {
  .win-burst, .win-particle, .win-burst-glow, .result-win .prize-number {
    animation-duration: .01ms !important;
  }
}