:root {
  --bg-ink: #06070b;
  --bg-void: #0b0d15;
  --panel: rgba(8, 11, 18, 0.9);
  --panel-line: rgba(202, 185, 136, 0.32);
  --canvas-frame: #111521;
  --canvas-line: rgba(126, 145, 175, 0.32);
  --text-main: #ede7dc;
  --text-dim: #9ea4b6;
  --text-accent: #ddb56d;
  --text-alert: #c76b6b;
  --button-main: #cda968;
  --button-main-shadow: #87663c;
  --button-ghost: rgba(255, 255, 255, 0.08);
  --button-ghost-line: rgba(255, 255, 255, 0.16);
  --screen-max: 760px;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  font-family: "Avenir Next", "Trebuchet MS", sans-serif;
  color: var(--text-main);
  background:
    radial-gradient(circle at top, rgba(43, 56, 92, 0.18), transparent 34%),
    radial-gradient(circle at 20% 20%, rgba(166, 82, 82, 0.1), transparent 18%),
    linear-gradient(180deg, #111624 0%, #090b11 42%, #050609 100%);
  overflow-x: hidden;
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
}

body::before {
  background:
    repeating-linear-gradient(
      -18deg,
      rgba(255, 255, 255, 0.045) 0 1px,
      transparent 1px 15px
    );
  opacity: 0.2;
  animation: rain-sheet 8s linear infinite;
}

body::after {
  background:
    radial-gradient(circle at center, transparent 36%, rgba(0, 0, 0, 0.58) 100%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 40%);
}

.app-shell {
  width: min(calc(100vw - 32px), var(--screen-max));
  margin: 0 auto;
  padding: 28px 0 24px;
}

.hud {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}

.hud__group {
  min-height: 72px;
  padding: 12px 14px;
  border: 1px solid var(--panel-line);
  background:
    linear-gradient(180deg, rgba(25, 31, 45, 0.9), rgba(8, 10, 16, 0.92));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.05),
    0 14px 30px rgba(0, 0, 0, 0.35);
}

.hud__group--wide {
  background:
    linear-gradient(180deg, rgba(30, 32, 40, 0.95), rgba(10, 12, 18, 0.92));
}

.hud__label,
.panel__eyebrow,
.status-strip {
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hud__label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.7rem;
  color: var(--text-dim);
}

.hud__value {
  display: block;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 1.1rem;
  line-height: 1.2;
}

.hud__value--status {
  color: var(--text-accent);
}

.stage-frame {
  position: relative;
  border: 1px solid var(--canvas-line);
  padding: 14px;
  background:
    linear-gradient(180deg, rgba(12, 16, 24, 0.95), rgba(5, 7, 10, 0.98));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.04),
    0 24px 48px rgba(0, 0, 0, 0.48);
}

#gameCanvas {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(180deg, #101420 0%, #0a0d14 100%);
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

.overlay {
  position: absolute;
  inset: 14px;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    linear-gradient(180deg, rgba(5, 7, 11, 0.3), rgba(6, 8, 14, 0.78)),
    radial-gradient(circle at center, rgba(39, 44, 57, 0.16), transparent 60%);
  opacity: 0;
  visibility: hidden;
  transition: opacity 180ms ease, visibility 180ms ease;
}

.overlay--visible {
  opacity: 1;
  visibility: visible;
}

.panel {
  width: min(100%, 460px);
  padding: 28px 26px 24px;
  border: 1px solid rgba(214, 190, 129, 0.25);
  background:
    linear-gradient(180deg, rgba(13, 17, 24, 0.92), rgba(7, 8, 12, 0.95));
  box-shadow:
    0 24px 48px rgba(0, 0, 0, 0.55),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);
  text-align: center;
}

.panel__eyebrow {
  margin: 0 0 8px;
  font-size: 0.72rem;
  color: var(--text-dim);
}

.panel__title {
  margin: 0 0 14px;
  font-family: Baskerville, "Times New Roman", serif;
  font-size: clamp(2.2rem, 5vw, 3rem);
  line-height: 0.95;
  color: var(--text-main);
  text-shadow:
    0 0 18px rgba(201, 169, 110, 0.16),
    0 0 2px rgba(255, 255, 255, 0.18);
}

.panel__text {
  margin: 0 auto;
  max-width: 36ch;
  color: #c8cbcf;
  line-height: 1.6;
}

.panel__actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 22px;
}

.button {
  min-width: 148px;
  padding: 11px 16px;
  border: 1px solid var(--button-main-shadow);
  font: inherit;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  color: #140f08;
  background: linear-gradient(180deg, #e0bf84, var(--button-main));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.22),
    0 10px 18px rgba(0, 0, 0, 0.22);
}

.button:hover {
  transform: translateY(-1px);
  filter: brightness(1.05);
}

.button--ghost {
  color: var(--text-main);
  background: var(--button-ghost);
  border-color: var(--button-ghost-line);
}

.panel__notes {
  margin-top: 18px;
  font-size: 0.82rem;
  color: var(--text-dim);
  line-height: 1.5;
}

.status-strip {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 14px;
  padding: 10px 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(7, 8, 13, 0.82);
  color: var(--text-dim);
  font-size: 0.74rem;
}

.status-strip strong {
  color: var(--text-main);
  font-weight: 600;
}

.is-hidden {
  display: none;
}

@media (max-width: 740px) {
  .app-shell {
    width: min(calc(100vw - 20px), var(--screen-max));
    padding-top: 18px;
  }

  .hud {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .status-strip {
    flex-direction: column;
  }

  .panel {
    padding: 24px 18px 20px;
  }

  .panel__actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }
}

@keyframes rain-sheet {
  from {
    transform: translate3d(0, -20px, 0);
  }

  to {
    transform: translate3d(-32px, 24px, 0);
  }
}