:root {
  --bg: #07111f;
  --panel: rgba(12, 22, 42, 0.86);
  --panel-strong: rgba(21, 42, 78, 0.96);
  --line: rgba(120, 210, 255, 0.26);
  --text: #f4fbff;
  --muted: #b5cbe7;
  --accent: #ffd166;
  --cyan: #55d7ff;
  --green: #63e6be;
  --danger: #ff5c7a;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--bg);
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
}

body {
  display: grid;
  place-items: center;
  height: 100dvh;
  overflow: hidden;
}

button,
input {
  font: inherit;
}

button {
  border: 0;
  cursor: pointer;
}

.bounce-demo {
  position: relative;
  width: min(100vw, 390px);
  height: 100dvh;
  min-height: 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 14% 12%, rgba(255, 209, 102, 0.2), transparent 30%),
    radial-gradient(circle at 84% 20%, rgba(85, 215, 255, 0.24), transparent 34%),
    linear-gradient(180deg, #0b2442 0%, #10223c 48%, #07111f 100%);
}

#gameCanvas {
  display: block;
  width: 100%;
  height: 100dvh;
  touch-action: none;
}

.menu-panel,
.settings-panel,
.end-panel {
  position: absolute;
  z-index: 5;
  right: 18px;
  left: 18px;
  display: grid;
  justify-items: center;
  gap: 14px;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 22px 18px;
  text-align: center;
  background: linear-gradient(180deg, var(--panel-strong), var(--panel));
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.34);
}

.menu-panel {
  top: 72px;
}

.settings-panel,
.end-panel {
  top: 124px;
}

.demo-logo {
  width: 72px;
  height: 72px;
  object-fit: contain;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.1);
}

.menu-panel h1,
.settings-panel h2,
.end-panel h2 {
  margin: 0;
  color: #ffffff;
  font-size: clamp(2rem, 10vw, 3rem);
  line-height: 1;
}

.settings-panel h2,
.end-panel h2 {
  font-size: 2rem;
}

.menu-panel p,
.end-panel p {
  margin: 0;
  color: var(--muted);
}

.eyebrow {
  margin: 0;
  border: 1px solid rgba(255, 209, 102, 0.48);
  border-radius: 999px;
  padding: 5px 10px;
  color: var(--accent);
  background: rgba(255, 209, 102, 0.12);
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
}

.menu-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.primary-action,
.secondary-action {
  min-height: 44px;
  border-radius: 12px;
  padding: 0 16px;
  font-weight: 800;
}

.primary-action {
  color: #091521;
  background: linear-gradient(180deg, #ffe98f, var(--accent));
}

.secondary-action {
  color: var(--text);
  background: rgba(255, 255, 255, 0.12);
}

.demo-rules {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

.demo-rules span {
  border-radius: 999px;
  padding: 5px 9px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.1);
  font-size: 0.78rem;
  font-weight: 800;
}

.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  width: 100%;
  min-height: 46px;
  color: var(--muted);
}

.hud {
  position: absolute;
  z-index: 4;
  top: 12px;
  right: 12px;
  left: 12px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.hud div {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 8px;
  background: rgba(7, 17, 31, 0.74);
}

.hud span {
  display: block;
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 800;
  text-transform: uppercase;
}

.hud strong {
  display: block;
  color: #ffffff;
  font-size: 1rem;
}

.hidden {
  display: none;
}

@media (max-width: 340px) {
  .hud {
    grid-template-columns: 1fr;
  }

  .menu-panel {
    top: 52px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    transition-duration: 1ms !important;
  }
}

/* Portfolio iframe fit: keep panels inside the visible phone frame. */
.menu-panel,
.settings-panel,
.end-panel {
  max-height: calc(100dvh - 24px);
  overflow: auto;
  gap: clamp(9px, 1.6vh, 14px);
  padding: clamp(16px, 3vh, 22px) 18px;
}

@media (max-height: 660px) {
  .menu-panel {
    top: 46px;
  }

  .settings-panel,
  .end-panel {
    top: 76px;
  }

  .demo-logo {
    width: 56px;
    height: 56px;
  }

  .menu-panel h1,
  .settings-panel h2,
  .end-panel h2 {
    font-size: clamp(1.55rem, 8vw, 2.15rem);
  }

  .demo-rules span {
    padding: 4px 7px;
    font-size: 0.72rem;
  }
}