:root {
  --bg-0: #0a0c10;
  --bg-1: #12161d;
  --panel: #1c232d;
  --panel-2: #131920;
  --text: #d3dae6;
  --muted: #7f8da3;
  --line: rgba(255, 255, 255, 0.08);
  --gold: #d8b466;
  --card-w: 250px;
  --card-h: 146px;
  --card-gap: 10px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(150% 95% at 50% -10%, #2a3340 0%, transparent 60%),
    linear-gradient(180deg, var(--bg-0), #0d1016 35%, #0b0e13 100%);
  color: var(--text);
  font-family: Tahoma, Verdana, "Segoe UI", sans-serif;
}

.viewport {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  padding: 10px;
}

.stage {
  width: min(calc(100vh * 16 / 9), 100vw);
  max-width: 1920px;
  aspect-ratio: 16 / 9;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: linear-gradient(180deg, #0f141b 0%, #0b0f14 100%);
}

.ambience {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 64%, rgba(216, 180, 102, 0.16), transparent 36%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent 40%),
    repeating-linear-gradient(
      0deg,
      transparent 0,
      transparent 38px,
      rgba(255, 255, 255, 0.012) 38px,
      rgba(255, 255, 255, 0.012) 39px
    );
  pointer-events: none;
}

.notice-banner {
  position: relative;
  z-index: 4;
  width: 100%;
  text-align: center;
  padding: 8px 14px;
  background: linear-gradient(180deg, rgba(137, 40, 40, 0.95), rgba(108, 30, 30, 0.95));
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  color: #f8dfdf;
  font-size: clamp(11px, 0.9vw, 14px);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 700;
}

.top-bar {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 14px 24px 20px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(18, 22, 30, 0.92), rgba(18, 22, 30, 0.66));
}

.back-link {
  color: #d7b976;
  text-decoration: none;
  width: fit-content;
  font-size: clamp(11px, 0.95vw, 14px);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
}

.back-link:hover {
  color: #f0d79e;
}

.top-bar h1 {
  margin: 0;
  text-align: center;
  color: #c2cfde;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: clamp(14px, 1.2vw, 24px);
  font-weight: 700;
}

button {
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 2px;
  padding: 10px 16px;
  min-width: 178px;
  font-size: clamp(12px, 0.9vw, 16px);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #101114;
  background: linear-gradient(180deg, #e2c379 0%, #b9934a 100%);
  cursor: pointer;
  transition: filter 140ms ease;
}

.top-bar button {
  justify-self: end;
}

button:hover:enabled {
  filter: brightness(1.06);
}

button:disabled {
  opacity: 0.6;
  cursor: default;
}

.chest-zone {
  position: relative;
  z-index: 2;
  width: 100%;
  display: grid;
  place-items: center;
  margin: 26px 0 18px;
}

.chest-selector-wrap {
  position: relative;
  width: min(34vw, 660px);
  aspect-ratio: 658 / 446;
}

.crate-type-label {
  margin: 10px 0 0;
  width: min(34vw, 660px);
  min-height: 1.4em;
  text-align: center;
  color: #d8c69b;
  font-size: clamp(12px, 0.98vw, 16px);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 700;
  text-shadow: 0 0 10px rgba(216, 180, 102, 0.22);
}

.crate-side-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 9;
  min-width: 20px;
  width: 20px;
  height: 96px;
  padding: 0;
  border: 1px solid rgba(216, 180, 102, 0.24);
  border-radius: 8px;
  color: transparent;
  font-size: 0;
  line-height: 0;
  background: linear-gradient(180deg, rgba(36, 46, 60, 0.28), rgba(18, 25, 34, 0.46));
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.02);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.crate-side-nav.left {
  left: -34px;
  border-radius: 0 8px 8px 0;
  border-left: none;
}

.crate-side-nav.right {
  right: -34px;
  border-radius: 8px 0 0 8px;
  border-right: none;
}

.crate-side-nav::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 8px;
  height: 8px;
  border-top: 2px solid rgba(215, 189, 131, 0.9);
  border-right: 2px solid rgba(215, 189, 131, 0.9);
  opacity: 0.84;
}

.crate-side-nav.left::before {
  transform: translate(-24%, -50%) rotate(-135deg);
}

.crate-side-nav.right::before {
  transform: translate(-76%, -50%) rotate(45deg);
}

.crate-side-nav:hover:enabled {
  transform: translateY(-50%) scale(1.02);
  border-color: rgba(216, 180, 102, 0.52);
  background: linear-gradient(180deg, rgba(55, 66, 80, 0.42), rgba(25, 32, 43, 0.66));
  box-shadow: inset 0 0 0 1px rgba(216, 180, 102, 0.14), 0 0 12px rgba(216, 180, 102, 0.16);
}

.crate-side-nav:disabled {
  opacity: 0.3;
}

.chest {
  width: 100%;
  height: 100%;
  position: relative;
  transform-origin: center bottom;
  opacity: 1;
}

.chest.interactive {
  cursor: pointer;
}

.chest.interactive:focus-visible {
  outline: 2px solid rgba(242, 213, 150, 0.85);
  outline-offset: 8px;
}

.crate-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  transform-origin: center 76%;
  filter: drop-shadow(0 16px 20px rgba(0, 0, 0, 0.55));
  transition: transform 560ms cubic-bezier(0.2, 0.72, 0.24, 1), filter 500ms ease, opacity 140ms linear;
  z-index: 1;
}

.chest.interactive:hover .crate-closed {
  transform: translateY(-5px) scale(1.03);
  filter: drop-shadow(0 24px 26px rgba(0, 0, 0, 0.56)) brightness(1.05);
}

.chest.interactive:active .crate-closed {
  transform: translateY(-2px) scale(1.015);
}

.crate-closed {
  opacity: 1;
}

.crate-open {
  opacity: 0;
}

.crate-flash {
  position: absolute;
  inset: 6% 6% 14%;
  border-radius: 16px;
  background: radial-gradient(circle at 50% 42%, rgba(255, 245, 185, 0.9), rgba(255, 245, 185, 0) 66%);
  opacity: 0;
  pointer-events: none;
}

.chest-glow {
  position: absolute;
  inset: -50px -80px -60px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(216, 180, 102, 0.36), rgba(216, 180, 102, 0) 66%);
  opacity: 0;
  transform: scale(0.88);
  transition: opacity 340ms ease, transform 620ms ease;
}

.redeem-overlay {
  position: absolute;
  inset: 0;
  z-index: 8;
  display: grid;
  place-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
  background: transparent;
}

.redeem-overlay.visible {
  opacity: 1;
  pointer-events: auto;
}

.redeem-panel {
  width: min(88%, 590px);
  padding: 9px 10px;
  border: 1px solid rgba(216, 180, 102, 0.42);
  background: linear-gradient(180deg, rgba(26, 34, 45, 0.96), rgba(17, 24, 33, 0.97));
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.5), inset 0 0 0 1px rgba(255, 255, 255, 0.04);
}

.redeem-label {
  display: block;
  margin: 0;
  font-size: clamp(10px, 0.82vw, 13px);
  color: #d4b97a;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
}

.redeem-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.redeem-close {
  min-width: 28px;
  width: 28px;
  height: 24px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: linear-gradient(180deg, rgba(43, 50, 62, 0.96), rgba(27, 33, 43, 0.98));
  color: #aeb9cb;
  font-size: 17px;
  line-height: 1;
}

.redeem-hint {
  margin: 0 0 6px;
  color: #8b96a8;
  font-size: clamp(10px, 0.8vw, 12px);
  letter-spacing: 0.03em;
}

.redeem-controls {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}

.redeem-input {
  width: 100%;
  min-width: 0;
  border: 1px solid rgba(255, 255, 255, 0.17);
  background: rgba(9, 14, 21, 0.92);
  color: #d7dee8;
  padding: 9px 10px;
  font-size: clamp(11px, 0.88vw, 14px);
  letter-spacing: 0.04em;
}

.redeem-input::placeholder {
  color: #73829a;
}

.redeem-input:focus {
  outline: none;
  border-color: rgba(216, 180, 102, 0.85);
  box-shadow: 0 0 0 1px rgba(216, 180, 102, 0.45);
}

.redeem-submit {
  min-width: 102px;
  padding: 9px 12px;
  font-size: clamp(11px, 0.8vw, 13px);
}

.chest.open .crate-image {
  transform: translateY(-10px) scale(1.02);
  filter: drop-shadow(0 26px 26px rgba(0, 0, 0, 0.56)) brightness(1.04);
}

.chest.open .crate-closed {
  opacity: 0;
}

.chest.open .crate-open {
  opacity: 1;
}

.chest.open .crate-flash {
  animation: crate-flash 220ms ease-out both;
}

.chest.open .chest-glow {
  opacity: 1;
  transform: scale(1.1);
}

.chest.switch-next {
  animation: crate-slide-next 280ms cubic-bezier(0.22, 0.74, 0.19, 1);
}

.chest.switch-prev {
  animation: crate-slide-prev 280ms cubic-bezier(0.22, 0.74, 0.19, 1);
}

@keyframes crate-flash {
  0% {
    opacity: 0;
    transform: scale(0.92);
  }
  28% {
    opacity: 0.9;
    transform: scale(1.04);
  }
  100% {
    opacity: 0;
    transform: scale(1.16);
  }
}

@keyframes crate-slide-next {
  0% {
    opacity: 0.28;
    transform: translateX(86px) scale(0.98);
  }
  100% {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
}

@keyframes crate-slide-prev {
  0% {
    opacity: 0.28;
    transform: translateX(-86px) scale(0.98);
  }
  100% {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
}

.roulette-zone {
  position: relative;
  z-index: 4;
  width: min(95%, 1720px);
  margin: 0 auto;
  height: clamp(140px, 16vw, 205px);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  background: linear-gradient(180deg, rgba(25, 31, 40, 0.95), rgba(17, 22, 30, 0.92));
  overflow: hidden;
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 260ms ease, transform 320ms ease;
}

.roulette-zone.visible {
  opacity: 1;
  transform: translateY(0);
}

.win-reveal {
  position: absolute;
  inset: 0;
  z-index: 7;
  pointer-events: none;
  opacity: 0;
  transition: opacity 220ms ease;
}

.win-reveal::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 52%, rgba(216, 180, 102, 0.2), rgba(8, 12, 18, 0.82) 70%);
}

.win-reveal.visible {
  opacity: 1;
  pointer-events: auto;
}

.win-reveal-cards {
  position: absolute;
  inset: 0;
}

.reveal-card {
  position: absolute;
  margin: 0;
  will-change: transform, filter;
  box-shadow: 0 24px 42px rgba(0, 0, 0, 0.58);
  z-index: 2;
}

.reveal-card::before {
  content: "";
  position: absolute;
  inset: -14px;
  border-radius: 6px;
  border: 1px solid rgba(216, 180, 102, 0.6);
  box-shadow: 0 0 32px rgba(216, 180, 102, 0.62);
  opacity: 0;
  transform: scale(0.95);
  animation: reveal-aura 850ms ease-out 220ms forwards;
}

.reveal-card.settled {
  animation: reveal-pulse 920ms ease-in-out infinite alternate;
}

.win-reveal-text {
  position: absolute;
  left: 50%;
  bottom: 13%;
  transform: translateX(-50%);
  margin: 0;
  color: #efd79d;
  font-size: clamp(14px, 1.3vw, 24px);
  letter-spacing: 0.07em;
  text-transform: uppercase;
  text-align: center;
  text-shadow: 0 0 16px rgba(216, 180, 102, 0.5);
  opacity: 0;
}

.win-reveal.visible .win-reveal-text {
  animation: reveal-copy-in 380ms ease-out 520ms forwards;
}

.win-reveal-actions {
  position: absolute;
  left: 50%;
  bottom: 6%;
  transform: translateX(-50%);
  z-index: 3;
  display: grid;
  grid-auto-flow: column;
  gap: 10px;
}

.win-action {
  min-width: 160px;
}

.win-action.claim {
  background: linear-gradient(180deg, #e8c77c 0%, #bc984e 100%);
  color: #13161b;
}

.win-action.again {
  border: 1px solid rgba(216, 180, 102, 0.48);
  background: linear-gradient(180deg, rgba(36, 45, 58, 0.96), rgba(24, 31, 41, 0.98));
  color: #d7bd83;
}

.win-action.again:hover:enabled {
  filter: brightness(1.09);
}

.track-wrap {
  height: 100%;
  overflow: hidden;
}

.track {
  display: flex;
  align-items: center;
  gap: var(--card-gap);
  height: 100%;
  padding: 0 20px;
  transform: translate3d(0, 0, 0);
  will-change: transform;
}

.card {
  position: relative;
  width: var(--card-w);
  height: var(--card-h);
  flex: 0 0 auto;
  border: 1px solid rgba(255, 255, 255, 0.07);
  background: linear-gradient(180deg, #2a323f 0%, #232b36 70%, #1c232d 100%);
  display: grid;
  grid-template-rows: 1fr auto;
  overflow: hidden;
}

.spin-image {
  position: absolute;
  inset: 8px 8px 28px;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  background: rgba(18, 24, 34, 0.92);
  opacity: 0;
  transform: translateY(-6px) scale(1);
  transition: opacity 110ms linear;
  pointer-events: none;
  z-index: 3;
}

.track.show-spin-image .spin-image {
  opacity: 1;
}

.skin-preview {
  position: relative;
  margin: 10px 10px 0;
  border: 1px solid rgba(255, 255, 255, 0.09);
  background: linear-gradient(120deg, #232a33 0%, #2e3846 55%, #1f252e 100%);
}

.skin-preview::before {
  content: "";
  position: absolute;
  left: 8%;
  right: 8%;
  top: 44%;
  height: 16%;
  background: linear-gradient(90deg, rgba(245, 245, 245, 0.14), rgba(255, 255, 255, 0.45), rgba(245, 245, 245, 0.14));
  transform: skewX(-20deg);
}

.skin-info {
  padding: 8px 10px 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  background: rgba(0, 0, 0, 0.22);
}

.skin-info p {
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.weapon {
  font-size: 13px;
  color: #d7dee8;
  font-weight: 700;
}

.skin {
  margin-top: 2px;
  font-size: 12px;
  color: #8fa1b9;
}

.card::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 5px;
}

.card.milspec::after {
  background: #4a7ddb;
}

.card.restricted::after {
  background: #7f57c8;
}

.card.classified::after {
  background: #d24ca1;
}

.card.covert::after {
  background: #d85151;
}

.card.special::after {
  background: #d8b466;
}

.card.winner {
  box-shadow: inset 0 0 0 2px rgba(216, 180, 102, 0.75), 0 0 26px rgba(216, 180, 102, 0.34);
}

.center-marker {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  transform: translateX(-50%);
  background: rgba(242, 213, 150, 0.86);
  box-shadow: 0 0 12px rgba(216, 180, 102, 0.75);
  z-index: 6;
}

.center-marker::before,
.center-marker::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
}

.center-marker::before {
  top: 8px;
  border-top: 10px solid #f2d596;
}

.center-marker::after {
  bottom: 8px;
  border-bottom: 10px solid #f2d596;
}

.fade-edge {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 105px;
  z-index: 5;
  pointer-events: none;
}

.fade-edge.left {
  left: 0;
  background: linear-gradient(90deg, #151c24 0%, rgba(21, 28, 36, 0) 100%);
}

.fade-edge.right {
  right: 0;
  background: linear-gradient(270deg, #151c24 0%, rgba(21, 28, 36, 0) 100%);
}

@keyframes reveal-aura {
  0% {
    opacity: 0;
    transform: scale(0.92);
  }
  30% {
    opacity: 0.88;
  }
  100% {
    opacity: 0.4;
    transform: scale(1.06);
  }
}

@keyframes reveal-pulse {
  0% {
    filter: brightness(1);
  }
  100% {
    filter: brightness(1.08);
  }
}

@keyframes reveal-copy-in {
  0% {
    opacity: 0;
    transform: translateX(-50%) translateY(8px);
  }
  100% {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

.result {
  position: relative;
  z-index: 4;
  margin: 12px 0 0;
  text-align: center;
  min-height: 1.3em;
  color: var(--muted);
  font-size: clamp(12px, 1vw, 18px);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.result.show {
  color: #e2c379;
}

@media (max-width: 1200px) {
  :root {
    --card-w: 214px;
    --card-h: 126px;
    --card-gap: 8px;
  }

  .fade-edge {
    width: 78px;
  }

  button {
    min-width: 150px;
  }

  .chest {
    width: min(58vw, 560px);
    height: auto;
    aspect-ratio: 658 / 446;
  }

  .chest-selector-wrap {
    width: min(58vw, 560px);
  }

  .crate-type-label {
    width: min(58vw, 560px);
    margin-top: 8px;
  }

  .crate-side-nav.left {
    left: -28px;
  }

  .crate-side-nav.right {
    right: -28px;
  }

  .redeem-panel {
    width: min(92%, 510px);
  }

  .redeem-submit {
    min-width: 90px;
  }
}