:root {
  color-scheme: dark;
  --bg-1: #07111f;
  --bg-2: #102642;
  --panel: rgba(9, 17, 31, 0.82);
  --panel-border: rgba(181, 220, 255, 0.18);
  --text: #f5f7ff;
  --muted: #a8bdd7;
  --glow: rgba(76, 194, 255, 0.34);
  --button-gradient-start: #79dfff;
  --button-gradient-mid: #7d9bff;
  --button-gradient-end: #d06eff;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at top, rgba(76, 194, 255, 0.2), transparent 30%),
    radial-gradient(circle at bottom right, rgba(255, 123, 155, 0.18), transparent 34%),
    linear-gradient(160deg, var(--bg-1), var(--bg-2));
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: radial-gradient(circle at center, black 40%, transparent 100%);
  pointer-events: none;
}

.app {
  width: min(960px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 32px 0 40px;
}

.hero {
  text-align: center;
  margin-bottom: 20px;
}

.eyebrow {
  margin: 0 0 8px;
  color: #8bcfff;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.78rem;
}

h1 {
  margin: 0;
  font-size: clamp(3rem, 11vw, 5.5rem);
  line-height: 0.95;
  letter-spacing: 0.04em;
  text-shadow: 0 0 24px rgba(99, 220, 255, 0.24);
}

.lede {
  max-width: 42rem;
  margin: 12px auto 0;
  color: var(--muted);
  font-size: 1rem;
}

.hud {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.stat,
.machine,
.result {
  backdrop-filter: blur(20px);
  background: var(--panel);
  border: 1px solid var(--panel-border);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.32);
}

.stat {
  padding: 16px 18px;
  border-radius: 20px;
}

.stat__label {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 0.86rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.stat__value {
  font-size: 1.5rem;
}

.machine {
  position: relative;
  padding: 22px;
  border-radius: 30px;
  overflow: hidden;
}

.machine::before {
  content: "";
  position: absolute;
  inset: 1rem;
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  pointer-events: none;
}

.machine__frame {
  border-radius: 24px;
  padding: 18px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), transparent 26%),
    linear-gradient(145deg, rgba(3, 7, 15, 0.95), rgba(18, 27, 49, 0.95));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.12),
    inset 0 -16px 30px rgba(0, 0, 0, 0.3);
}

.reels {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.reel {
  position: relative;
  min-height: 170px;
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background:
    radial-gradient(circle at top, rgba(255, 255, 255, 0.12), transparent 45%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(0, 0, 0, 0.14));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.2),
    0 0 0 1px rgba(0, 0, 0, 0.25),
    0 18px 36px rgba(0, 0, 0, 0.24);
}

.reel__glass {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.24), transparent 35%),
    linear-gradient(345deg, rgba(255, 255, 255, 0.1), transparent 24%);
  mix-blend-mode: screen;
  pointer-events: none;
}

.reel__image {
  position: absolute;
  inset: 50% auto auto 50%;
  width: calc(100% - 28px);
  height: calc(100% - 28px);
  transform: translate(-50%, -50%);
  object-fit: contain;
  filter:
    drop-shadow(0 6px 12px rgba(0, 0, 0, 0.3))
    drop-shadow(0 0 18px var(--reel-glow, var(--glow)));
  transition: transform 160ms ease, filter 160ms ease;
}

.reel__caption {
  position: absolute;
  left: 50%;
  bottom: 8px;
  transform: translateX(-50%);
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(3, 7, 15, 0.52);
  color: rgba(245, 247, 255, 0.94);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
}

.machine--spinning .reel__image {
  transform: translate(-50%, -50%) scale(0.92);
  filter:
    drop-shadow(0 10px 18px rgba(0, 0, 0, 0.34))
    drop-shadow(0 0 26px rgba(127, 220, 255, 0.36));
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 18px;
}

.button {
  min-width: 140px;
  padding: 14px 18px;
  border: 0;
  border-radius: 999px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.1);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.18);
  font-weight: 700;
  letter-spacing: 0.12em;
  cursor: pointer;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    opacity 160ms ease;
}

.button:hover:not(:disabled) {
  transform: translateY(-1px);
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.button--primary {
  background: linear-gradient(
    135deg,
    var(--button-gradient-start),
    var(--button-gradient-mid) 55%,
    var(--button-gradient-end)
  );
  color: #07111f;
  box-shadow:
    0 10px 24px rgba(108, 204, 255, 0.24),
    inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

.result {
  margin-top: 18px;
  padding: 18px 20px;
  border-radius: 22px;
}

.result__title {
  margin: 0 0 6px;
  font-size: 1.1rem;
  font-weight: 700;
}

.result__body {
  margin: 0;
  color: var(--muted);
}

@media (max-width: 720px) {
  .app {
    width: min(100vw - 20px, 960px);
    padding-top: 18px;
  }

  .hud,
  .reels {
    grid-template-columns: 1fr;
  }

  .reel {
    min-height: 156px;
  }

  .button {
    width: 100%;
  }
}