:root {
  --delion-ink: #e7f8ff;
  --delion-muted: #8fa8b2;
  --delion-night: #03070c;
  --delion-surface: #0c151d;
  --delion-surface-strong: #111f29;
  --delion-aqua: #13ddec;
  --delion-yellow: #f2cf1f;
  --delion-danger: #ff6868;
  color: var(--delion-ink);
  background: var(--delion-night);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html,
body {
  min-width: 320px;
  min-height: 100%;
  margin: 0;
  background: var(--delion-night);
}

body { min-height: 100vh; min-height: 100dvh; }

#delion-shell {
  position: relative;
  display: flex;
  min-height: 100vh;
  min-height: 100dvh;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 24px;
  background:
    radial-gradient(circle at 50% 18%, rgba(19, 221, 236, .08), transparent 32rem),
    linear-gradient(145deg, #02060a 0%, #081019 52%, #03070c 100%);
}

#delion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: min(100%, 640px);
  margin: 0 auto 14px;
}

#delion-brand,
#delion-mode,
#delion-status-label,
#delion-error-title {
  margin: 0;
  font-weight: 800;
}

#delion-brand { font-size: 13px; letter-spacing: .14em; }
#delion-brand span { margin-left: 4px; color: var(--delion-aqua); }
#delion-mode { color: var(--delion-yellow); font-size: 9px; letter-spacing: .16em; }
#delion-actions { display: flex; align-items: center; gap: 12px; }

#unity-container {
  position: relative;
  display: block;
  flex: 0 0 auto;
  width: fit-content;
  max-width: 100%;
  min-height: 0;
  margin: 0 auto;
  border: 1px solid rgba(19, 221, 236, .28);
  border-radius: 16px;
  overflow: hidden;
  background: #010408;
  box-shadow:
    0 24px 70px rgba(0, 0, 0, .52),
    0 0 0 1px rgba(242, 207, 31, .05) inset;
}

#unity-canvas {
  display: block;
  max-width: 100%;
  background: #231F20;
  outline: none;
}

.unity-mobile #unity-canvas {
  width: 100%;
  height: 100%;
}

#unity-loading-bar,
#delion-error-panel {
  position: absolute;
  z-index: 5;
  top: 50%;
  left: 50%;
  width: min(400px, calc(100% - 40px));
  padding: 24px;
  border: 1px solid rgba(19, 221, 236, .42);
  border-radius: 14px;
  background: rgba(7, 15, 22, .94);
  box-shadow: 0 18px 60px rgba(0, 0, 0, .52);
  backdrop-filter: blur(14px);
  transform: translate(-50%, -50%);
}

#delion-error-panel { border-color: rgba(255, 104, 104, .66); }
#delion-status-label { color: var(--delion-aqua); font-size: 10px; letter-spacing: .14em; }
#delion-game-title { margin: 10px 0 18px; font-size: clamp(28px, 5vw, 46px); line-height: 1; letter-spacing: -.035em; }
#delion-status-copy,
#delion-error-message { margin: 12px 0 0; color: var(--delion-muted); font-size: 13px; line-height: 1.5; }
#delion-error-title { color: var(--delion-danger); font-size: 14px; }

#unity-progress-bar-empty {
  height: 5px;
  margin-top: 12px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(231, 248, 255, .12);
}

#unity-progress-bar-full {
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--delion-aqua), #75f7ff);
  box-shadow: 0 0 16px rgba(19, 221, 236, .5);
  transition: width .2s ease;
}

#delion-retry-button {
  min-height: 44px;
  border: 1px solid rgba(19, 221, 236, .78);
  border-radius: 10px;
  padding: 10px 16px;
  color: #00161a;
  background: var(--delion-aqua);
  cursor: pointer;
  font: inherit;
  font-size: 12px;
  font-weight: 800;
  transition: background-color .12s ease, transform .12s ease;
}

#delion-retry-button { margin-top: 18px; }
#delion-retry-button:hover { background: #7ff5ff; }
#delion-retry-button:active { transform: translateY(1px); }
#delion-retry-button:focus-visible { outline: 2px solid var(--delion-yellow); outline-offset: 3px; }

#unity-fullscreen-button {
  min-height: 36px;
  border: 1px solid rgba(19, 221, 236, .44);
  border-radius: 8px;
  padding: 7px 12px;
  color: var(--delion-ink);
  background: rgba(12, 21, 29, .88);
  cursor: pointer;
  font: inherit;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .06em;
  transition: border-color .12s ease, background-color .12s ease, transform .12s ease;
}

#unity-fullscreen-button:hover { border-color: var(--delion-aqua); background: var(--delion-surface-strong); }
#unity-fullscreen-button:active { transform: translateY(1px); }
#unity-fullscreen-button:focus-visible { outline: 2px solid var(--delion-yellow); outline-offset: 3px; }

#unity-warning {
  position: absolute;
  z-index: 6;
  top: 14px;
  left: 50%;
  width: min(520px, calc(100% - 28px));
  transform: translateX(-50%);
}

.unity-warning {
  margin-bottom: 8px;
  padding: 10px 12px;
  border-radius: 9px;
  color: #171109;
  background: #f4d76b;
  font-size: 12px;
  line-height: 1.4;
}

.unity-warning--error { color: #341110; background: var(--delion-danger); }

#unity-diagnostics {
  position: absolute;
  z-index: 4;
  right: 12px;
  bottom: 12px;
  pointer-events: none;
}

#diagnostics-icon { width: 30px; height: 30px; object-fit: contain; pointer-events: auto; }

@media (max-width: 760px) {
  #delion-shell { display: block; min-height: 100dvh; padding: 0; }
  #delion-header { display: none; }
  #unity-container {
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    margin: 0;
    border: 0;
    border-radius: 0;
    box-shadow: none;
  }
  #unity-diagnostics { display: none; }
  #unity-canvas { max-width: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}