:root {
  --va-start-title-color: #f7fbff;
  --va-start-title-glow: rgba(116, 204, 255, 0.38);
  --va-start-text-soft: rgba(220, 236, 255, 0.88);
  --va-start-accent: #7dd3fc;
  --va-start-accent-soft: rgba(125, 211, 252, 0.18);
  --va-start-card-bg: rgba(10, 18, 32, 0.5);
  --va-start-card-border: rgba(148, 197, 255, 0.22);
}

#gameContainer.va-start-screen-ready {
  overflow: hidden;
}

/* Raise game container above mobile controls overlay while start screen is showing */
#gameContainer.va-start-visible {
  z-index: 9500;
}

/* Back arrow is fixed outside the container — keep it above everything on mobile */
@media (pointer: coarse), (max-height: 560px) {
  .back-link {
    z-index: 9600;
  }
}

#gameContainer #startScreen.va-start-screen {
  position: absolute;
  inset: 0;
  z-index: 6;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: clamp(18px, 4.4vh, 42px) clamp(12px, 2.6vw, 28px);
  opacity: 1;
  transition: opacity 140ms ease;
  background:
    radial-gradient(1000px 540px at 50% 20%, rgba(44, 98, 173, 0.11), rgba(6, 10, 18, 0.98) 58%),
    linear-gradient(180deg, #070d17, #060b13);
}

#gameContainer #startScreen.va-start-screen::before {
  content: '';
  position: absolute;
  inset: -24% -10%;
  background:
    radial-gradient(circle at 12% 18%, rgba(56, 189, 248, 0.05), transparent 40%),
    radial-gradient(circle at 82% 22%, rgba(99, 102, 241, 0.05), transparent 42%),
    radial-gradient(circle at 58% 76%, rgba(14, 165, 233, 0.06), transparent 44%);
  pointer-events: none;
  opacity: 0.5;
}

#gameContainer #startScreen.va-start-screen > * {
  position: relative;
  z-index: 1;
}

#gameContainer #startScreen.va-start-screen.hidden,
#gameContainer #gameOverScreen.hidden {
  opacity: 0 !important;
  pointer-events: none !important;
  visibility: hidden !important;
}

#gameContainer #startScreen.va-start-screen.va-start-enter {
  opacity: 0;
}

#gameContainer #startScreen.va-start-screen.va-start-enter > * {
  opacity: 1;
  transform: none;
  animation: none;
}

#gameContainer #startScreen.va-start-screen .va-start-title-source,
#gameContainer #startScreen.va-start-screen h1 {
  font-size: clamp(32px, 7vw, 68px);
  line-height: 1.03;
  font-weight: 720;
  letter-spacing: 0.03em;
  margin: 0 0 clamp(6px, 1.2vh, 12px);
  color: var(--va-start-title-color);
  text-shadow:
    0 0 8px rgba(255, 255, 255, 0.22),
    0 0 24px var(--va-start-title-glow),
    0 0 60px rgba(56, 189, 248, 0.2);
  transform: translateY(-10px);
  animation: vaTitleFloat 4.8s ease-in-out infinite;
}

#gameContainer #startScreen.va-start-screen .va-start-subtitle,
#gameContainer #startScreen.va-start-screen .subtitle {
  margin: -4px 0 clamp(6px, 1vh, 10px);
  font-size: clamp(12px, 1.6vw, 18px);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--va-start-accent);
  text-shadow: 0 0 12px rgba(125, 211, 252, 0.35);
}

#gameContainer #startScreen.va-start-screen .va-start-how-to-play,
#gameContainer #startScreen.va-start-screen .how-to-play {
  margin: 0 0 clamp(12px, 1.8vh, 18px);
  max-width: min(92%, 820px);
  font-size: clamp(11px, 1.25vw, 15px);
  line-height: 1.36;
  color: var(--va-start-text-soft);
}

#gameContainer #startScreen.va-start-screen .va-start-controls,
#gameContainer #startScreen.va-start-screen .controls {
  width: min(96%, 860px);
  display: flex;
  justify-content: center;
  align-items: stretch;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 auto clamp(14px, 2vh, 22px);
}

#gameContainer #startScreen.va-start-screen .va-start-control,
#gameContainer #startScreen.va-start-screen .control {
  min-width: 108px;
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid var(--va-start-card-border);
  background: linear-gradient(180deg, rgba(18, 29, 46, 0.82), var(--va-start-card-bg));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.09),
    0 0 22px rgba(14, 165, 233, 0.11);
}

#gameContainer #startScreen.va-start-screen .va-start-key,
#gameContainer #startScreen.va-start-screen .key {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 22px;
  padding: 3px 7px;
  border-radius: 8px;
  font-size: clamp(10px, 1.05vw, 13px);
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: #ecfeff;
  background: rgba(56, 189, 248, 0.14);
  border: 1px solid rgba(125, 211, 252, 0.42);
  box-shadow: 0 0 14px rgba(56, 189, 248, 0.22);
}

#gameContainer #startScreen.va-start-screen .va-start-key-label,
#gameContainer #startScreen.va-start-screen .key-label {
  margin-top: 5px;
  font-size: clamp(9px, 1vw, 12px);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(212, 231, 255, 0.9);
}

#gameContainer #startScreen.va-start-screen .va-start-prompt,
#gameContainer #startScreen.va-start-screen .prompt {
  margin-top: clamp(16px, 3vh, 30px);
  padding: 0;
  border-radius: 0;
  border: none;
  background: transparent;
  color: rgba(230, 244, 255, 0.95);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: clamp(10px, 1.05vw, 13px);
  font-weight: 600;
  box-shadow: none;
  text-shadow: 0 0 10px rgba(125, 211, 252, 0.36);
  animation: vaPromptPulse 1.2s ease-in-out infinite;
}

#gameContainer .va-shared-in-game-title,
#gameContainer #inGameTitle {
  position: absolute;
  top: clamp(14px, 4vh, 36px);
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  width: min(84%, 560px);
  text-align: center;
  pointer-events: none;
  user-select: none;
  font-size: clamp(11px, 1.8vw, 18px);
  font-weight: 650;
  letter-spacing: 0.14em;
  line-height: 1.1;
  text-transform: uppercase;
  color: rgba(228, 241, 255, 0.74);
  text-shadow: 0 0 6px rgba(255, 255, 255, 0.14), 0 0 14px rgba(74, 222, 255, 0.14);
  transition:
    opacity 220ms ease,
    transform 240ms ease,
    filter 240ms ease;
}

#gameContainer .va-shared-in-game-title.title-start,
#gameContainer #inGameTitle.title-start {
  opacity: 0;
}

#gameContainer .va-shared-in-game-title.title-playing,
#gameContainer #inGameTitle.title-playing {
  opacity: 0.32;
  transform: translateX(-50%) scale(0.99);
  filter: blur(0.1px);
}

#gameContainer .va-shared-in-game-title.title-hidden,
#gameContainer #inGameTitle.title-hidden {
  opacity: 0;
  transform: translateX(-50%) translateY(-6px) scale(0.98);
}

/* Desktop/mobile prompt text toggle */
.va-prompt-mobile {
  display: none;
}

@media (pointer: coarse), (max-height: 560px) {
  .va-prompt-desktop {
    display: none;
  }
  .va-prompt-mobile {
    display: inline;
  }
}

@keyframes vaTitleFloat {
  0%,
  100% {
    transform: translateY(-10px);
  }
  50% {
    transform: translateY(-14px);
  }
}

@keyframes vaPromptPulse {
  0%,
  100% {
    opacity: 0.72;
  }
  50% {
    opacity: 1;
  }
}

@media (max-width: 900px) {
  #gameContainer #startScreen.va-start-screen .va-start-control,
  #gameContainer #startScreen.va-start-screen .control {
    min-width: 98px;
    padding: 8px 8px;
  }

  #gameContainer .va-shared-in-game-title,
  #gameContainer #inGameTitle {
    font-size: clamp(10px, 3.6vw, 14px);
    width: min(90%, 460px);
  }
}

@keyframes vaPromptPulseMobile {
  0%, 100% {
    opacity: 0.65;
    text-shadow: 0 0 10px rgba(125, 211, 252, 0.3);
  }
  50% {
    opacity: 1;
    text-shadow:
      0 0 16px rgba(125, 211, 252, 1),
      0 0 36px rgba(56, 189, 248, 0.7),
      0 0 60px rgba(56, 189, 248, 0.3);
  }
}

/* ── Mobile / short-landscape (actual touch devices + desktop resize testing) */
@media (pointer: coarse), (max-height: 560px) {
  /* Keyboard controls are irrelevant on touch */
  #gameContainer #startScreen.va-start-screen .va-start-controls,
  #gameContainer #startScreen.va-start-screen .controls {
    display: none !important;
  }

  /* Back arrow: hidden during gameplay/game-over, shown on start and while powerup picker is open */
  body.va-body-playing:not(.va-powerup-picker-open) .back-link,
  body.va-body-game-over:not(.va-powerup-picker-open) .back-link {
    display: none !important;
  }

  /* Start screen: spread content over the full gameContainer height.
     --va-crop-top is the cropped zone (game units) when cover-mode scale is active.
     Padding pushes title and prompt into the visible viewport slice. */
  #gameContainer #startScreen.va-start-screen {
    justify-content: space-between;
    padding:
      calc(var(--va-crop-top, 0px) + 24px)
      28px
      calc(var(--va-crop-top, 0px) + 24px);
    gap: 0;
  }

  /* Title */
  #gameContainer #startScreen.va-start-screen .va-start-title-source,
  #gameContainer #startScreen.va-start-screen h1 {
    font-size: clamp(39px, 8.25vw, 81px);
    line-height: 1.0;
    margin: 38px 0 8px;
  }

  /* Subtitle */
  #gameContainer #startScreen.va-start-screen .va-start-subtitle,
  #gameContainer #startScreen.va-start-screen .subtitle {
    font-size: clamp(15px, 2.4vw, 22px);
    letter-spacing: 0.14em;
    margin: 0;
  }

  /* How-to-play: center of screen, bigger, thin outlined box */
  #gameContainer #startScreen.va-start-screen .va-start-how-to-play,
  #gameContainer #startScreen.va-start-screen .how-to-play {
    font-size: clamp(12px, 2vw, 19px);
    line-height: 1.45;
    max-width: min(88%, 600px);
    margin: auto 0;
    padding: 12px 18px;
    border: 1px solid rgba(125, 211, 252, 0.28);
    border-radius: 12px;
    background: rgba(10, 22, 44, 0.45);
    box-shadow: 0 0 18px rgba(56, 189, 248, 0.07), inset 0 1px 0 rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(4px);
  }

  /* Prompt: pinned to bottom, bigger, brighter pulse */
  #gameContainer #startScreen.va-start-screen .va-start-prompt,
  #gameContainer #startScreen.va-start-screen .prompt {
    font-size: clamp(13px, 2.1vw, 20px);
    letter-spacing: 0.2em;
    margin-bottom: 34px;
    animation: vaPromptPulseMobile 1.4s ease-in-out infinite;
  }

  /* HUD elements: offset down so they're not inside the cover-mode crop zone */
  #gameContainer #ui,
  #gameContainer #tokenUi {
    top: calc(var(--va-crop-top, 0px) + 14px) !important;
  }
}