:root {
  color-scheme: light;
  --bg-top: #70c7ff;
  --bg-bottom: #fff7cf;
  --panel: rgba(8, 31, 56, 0.78);
  --panel-border: rgba(255, 255, 255, 0.18);
  --text: #f5fbff;
  --accent: #ff9c28;
  --accent-2: #ffdb73;
  --shadow: rgba(7, 28, 54, 0.28);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.55), transparent 28%),
    linear-gradient(180deg, var(--bg-top), var(--bg-bottom));
}

.shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 20px;
  gap: 18px;
}

.hud {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 20px;
}

.eyebrow,
.panel__eyebrow {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.72rem;
  color: #e8f7ff;
}

.hud h1 {
  margin: 6px 0 0;
  font-size: clamp(1.6rem, 2.2vw, 2.5rem);
  text-shadow: 0 10px 30px var(--shadow);
}

.hud__subtitle {
  margin: 10px 0 0;
  max-width: 720px;
  line-height: 1.5;
  color: rgba(245, 251, 255, 0.9);
}

.hud__stats {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: stretch;
}

.hud__stats div {
  min-width: 96px;
  padding: 10px 14px;
  border-radius: 16px;
  background: rgba(8, 31, 56, 0.2);
  backdrop-filter: blur(8px);
  box-shadow: 0 12px 24px var(--shadow);
}

#superLabel {
  min-width: 66px;
}

.hud__stats span {
  display: block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  opacity: 0.82;
}

.hud__stats strong {
  display: block;
  margin-top: 4px;
  font-size: 1.35rem;
}

.hud__toggle {
  align-self: stretch;
  min-width: 132px;
  padding-inline: 18px;
  color: #173251;
  background: linear-gradient(135deg, #ffd8a0, #ffb35f);
  box-shadow: 0 12px 24px var(--shadow);
}

.hud__toggle[aria-pressed="false"] {
  color: #eff8ff;
  background: rgba(8, 31, 56, 0.52);
}

.game-frame {
  position: relative;
  flex: 1;
  min-height: 0;
  border-radius: 28px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.22);
  box-shadow: 0 30px 60px var(--shadow);
}

canvas {
  width: 100%;
  height: min(76vh, calc(100vw * 0.5625));
  min-height: 420px;
  display: block;
}

.overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 24px;
  padding-top: 130px;
  background: rgba(5, 23, 44, 0.34);
}

.overlay.hidden {
  display: none;
}

.overlay--splash {
  align-items: end;
  background: linear-gradient(180deg, rgba(5, 23, 44, 0.04), rgba(5, 23, 44, 0.44));
}

.overlay--splash .panel {
  width: min(100%, 760px);
  margin-bottom: 18px;
  padding: 18px 22px;
  display: grid;
  grid-template-columns: 1fr auto;
  column-gap: 18px;
  align-items: center;
  border-radius: 18px;
  animation: none;
}

.overlay--splash .panel__eyebrow,
.overlay--splash h2,
.overlay--splash p {
  grid-column: 1;
}

.overlay--splash h2 {
  margin: 4px 0 6px;
  font-size: clamp(1.4rem, 2vw, 2.05rem);
}

.overlay--splash p {
  margin: 0;
}

.overlay--splash button {
  grid-column: 2;
  grid-row: 1 / 4;
  white-space: nowrap;
}

.game-frame:has(.overlay--splash:not(.hidden)) .corner-badge {
  display: none;
}

.corner-badge {
  position: absolute;
  top: 18px;
  right: 18px;
  z-index: 1;
  padding: 12px 14px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.28);
  backdrop-filter: blur(8px);
  box-shadow: 0 12px 24px rgba(7, 28, 54, 0.16);
  color: #12385d;
}

.corner-badge span {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  opacity: 0.75;
}

.corner-badge strong {
  display: block;
  margin-top: 4px;
}

.panel {
  width: min(100%, 540px);
  padding: 28px;
  border-radius: 24px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.25);
  animation: panelFloat 3.8s ease-in-out infinite;
}

.panel h2 {
  margin: 8px 0 12px;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
}

.panel p {
  margin: 0 0 18px;
  line-height: 1.55;
  color: rgba(245, 251, 255, 0.92);
}

kbd {
  padding: 0.18rem 0.44rem;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  font-family: inherit;
}

button {
  border: 0;
  border-radius: 999px;
  padding: 14px 24px;
  font: inherit;
  font-weight: 700;
  color: #173251;
  background: linear-gradient(135deg, var(--accent-2), var(--accent));
  cursor: pointer;
  box-shadow: 0 16px 35px rgba(255, 156, 40, 0.35);
}

button:hover {
  filter: brightness(1.03);
  transform: translateY(-1px);
}

@keyframes panelFloat {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-6px);
  }
}

@media (max-width: 800px) {
  .shell {
    padding: 14px;
  }

  .hud {
    align-items: start;
    flex-direction: column;
  }

  canvas {
    height: 68vh;
  }

  .overlay {
    padding-top: 28px;
  }

  .corner-badge {
    top: auto;
    bottom: 18px;
    right: 18px;
  }

  .overlay--splash .panel {
    display: block;
  }

  .overlay--splash button {
    margin-top: 14px;
    width: 100%;
  }
}