:root {
  --bg-color: radial-gradient(circle at 20% 20%, #0d1b2a, #020407 70%);
  --accent: #6fffe9;
  --danger: #ff4d6d;
  --text-primary: #e0fbfc;
  --text-muted: rgba(224, 251, 252, 0.7);
  --hud-bg: rgba(10, 15, 25, 0.7);
  --hud-border: rgba(111, 255, 233, 0.35);
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-color);
  font-family: 'Orbitron', 'Segoe UI', sans-serif;
  color: var(--text-primary);
  overscroll-behavior: none;
}

body {
  display: flex;
  justify-content: center;
  align-items: stretch;
}

#lp-app {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.45);
}

#lp-canvas-root {
  position: absolute;
  inset: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.lp-mode-stage {
  position: absolute;
  inset: 0;
  transition: opacity 0.45s ease;
}

.lp-mode-stage:not(.active) {
  pointer-events: none;
}

.lp-canvas-layer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  touch-action: none;
  pointer-events: none;
}

#lp-input-layer {
  position: absolute;
  inset: 0;
  touch-action: none;
  z-index: 10;
  pointer-events: auto;
}

#lp-hud {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 20;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hud-safe-area {
  width: min(92vw, 420px);
  height: 100%;
  padding: 1.75rem 1.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1rem;
}

.hud-top {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.hud-label {
  display: block;
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  color: var(--text-muted);
}

.hud-value {
  font-size: 1.45rem;
  font-weight: 700;
}

.hud-bars {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.hud-bar {
  position: relative;
  width: 100%;
  height: 10px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.hud-bar-fill {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--accent), #60efff);
  transform-origin: left center;
  transform: scaleX(1);
  transition: transform 0.15s ease;
}

.hud-bar.hud-phase .hud-bar-fill {
  background: linear-gradient(90deg, #ff9f1c, #ffbf69);
}

.hud-bottom {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.hud-status {
  font-size: 0.8rem;
  min-height: 1.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.hud-status[data-variant='alert'] {
  color: var(--danger);
}

.hud-status.flash {
  animation: hudFlash 0.4s ease;
}

.hud-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.hud-flow .hud-value {
  font-size: 1rem;
}

.hud-special {
  flex: 1;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(224, 251, 252, 0.7);
  padding: 0.5rem 0.75rem;
  border: 1px dashed rgba(111, 255, 233, 0.35);
  border-radius: 12px;
  transition: color 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.hud-special.ready {
  color: #0b0f1a;
  background: linear-gradient(90deg, rgba(111, 255, 233, 0.9), rgba(96, 239, 255, 0.85));
  border-color: transparent;
}

.hud-event {
  min-height: 1.4rem;
  font-size: 0.95rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.65);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.hud-event.visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes hudFlash {
  0% { opacity: 0.4; }
  50% { opacity: 1; }
  100% { opacity: 0.7; }
}

.hud-best {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: rgba(224, 251, 252, 0.6);
}

#lp-start-screen {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  background: rgba(2, 4, 7, 0.86);
  z-index: 30;
  backdrop-filter: blur(12px);
  text-align: center;
  padding: 2rem;
  transition: opacity 0.35s ease;
}

#lp-start-screen.hidden {
  opacity: 0;
  pointer-events: none;
}

.lp-start-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  text-transform: uppercase;
  letter-spacing: 0.2em;
}

.lp-start-subtitle {
  font-size: 0.9rem;
  color: var(--text-muted);
  max-width: 320px;
}

#lp-start-button {
  padding: 0.9rem 2.4rem;
  background: linear-gradient(90deg, var(--accent), #64dfdf);
  border: none;
  border-radius: 999px;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #020407;
  cursor: pointer;
  box-shadow: 0 10px 35px rgba(100, 223, 223, 0.35);
}

#lp-start-button:active {
  transform: scale(0.97);
}

@media (max-width: 640px) {
  .hud-safe-area {
    width: min(96vw, 360px);
    padding: 1.25rem 1rem;
  }
  .hud-top {
    gap: 0.5rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .hud-value {
    font-size: 1.2rem;
  }
  .hud-meta {
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
  }
}