/* LAB PONG — Classic Arcade Game */

.pong-page {
  min-height: 100vh;
  min-height: 100dvh;
  padding-top: var(--header-height);
}

.pong-page__bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 60% 50% at 20% 20%, rgba(45, 212, 191, 0.06) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 80% 80%, rgba(139, 92, 246, 0.06) 0%, transparent 60%),
    var(--color-bg);
}

.pong-page__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, black 10%, transparent 75%);
}

.pong-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) 0;
  margin-bottom: var(--space-md);
}

.pong-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.pong-back:hover {
  color: var(--color-teal);
}

.pong-back svg {
  transition: transform var(--transition-fast);
}

.pong-back:hover svg {
  transform: translateX(-3px);
}

.pong-brand {
  text-align: right;
}

.pong-brand__parent {
  display: block;
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-subtle);
}

.pong-brand__name {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--color-text);
}

.pong-main {
  max-width: 860px;
  margin: 0 auto var(--space-2xl);
}

.pong-unit {
  background: linear-gradient(165deg, #141820 0%, #111318 50%, #0e1016 100%);
  border: 1px solid rgba(148, 163, 184, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-md), var(--shadow-glow-teal);
  position: relative;
  overflow: hidden;
}

.pong-unit::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(45, 212, 191, 0.03) 0%, transparent 40%);
  pointer-events: none;
}

.pong-unit__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
  position: relative;
}

.pong-unit__title {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 400;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.pong-unit__title span {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.pong-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-subtle);
}

.pong-status__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-text-subtle);
  transition: background var(--transition-fast), box-shadow var(--transition-fast);
}

.pong-status.is-playing .pong-status__dot {
  background: var(--color-teal);
  box-shadow: 0 0 8px rgba(45, 212, 191, 0.6);
  animation: pongLedPulse 1.5s ease-in-out infinite;
}

.pong-status.is-paused .pong-status__dot {
  background: var(--color-copper);
  box-shadow: 0 0 8px rgba(212, 165, 116, 0.5);
}

.pong-status.is-over .pong-status__dot {
  background: var(--color-purple);
  box-shadow: 0 0 8px rgba(139, 92, 246, 0.5);
}

@keyframes pongLedPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.pong-mode {
  display: flex;
  gap: 0.5rem;
  margin-bottom: var(--space-md);
  position: relative;
}

.pong-mode__btn {
  flex: 1;
  padding: 0.625rem 1rem;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  background: rgba(148, 163, 184, 0.06);
  border: 1px solid rgba(148, 163, 184, 0.1);
  border-radius: var(--radius-full);
  transition:
    color var(--transition-fast),
    background var(--transition-fast),
    border-color var(--transition-fast);
}

.pong-mode__btn:hover {
  color: var(--color-text);
  border-color: rgba(148, 163, 184, 0.2);
}

.pong-mode__btn.is-active {
  color: var(--color-bg);
  background: var(--gradient-brand);
  border-color: transparent;
  box-shadow: var(--shadow-glow-teal);
}

.pong-cabinet {
  position: relative;
  margin-bottom: var(--space-md);
}

.pong-scoreboard {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  padding: 0.75rem 1rem;
  margin-bottom: 0.5rem;
  font-family: 'Courier New', Courier, monospace;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(148, 163, 184, 0.08);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

.pong-scoreboard__player {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-subtle);
  min-width: 5rem;
}

.pong-scoreboard__player:first-child {
  text-align: right;
}

.pong-scoreboard__player:last-child {
  text-align: left;
}

.pong-scoreboard__score {
  font-size: 2rem;
  font-weight: 700;
  color: #fff;
  min-width: 1.5ch;
  text-align: center;
  text-shadow: 0 0 12px rgba(255, 255, 255, 0.3);
}

.pong-scoreboard__divider {
  font-size: 1.5rem;
  color: rgba(255, 255, 255, 0.4);
}

.pong-screen {
  position: relative;
  border: 3px solid rgba(148, 163, 184, 0.15);
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  overflow: hidden;
  box-shadow:
    inset 0 0 40px rgba(0, 0, 0, 0.8),
    0 0 20px rgba(45, 212, 191, 0.05);
}

#pongCanvas {
  display: block;
  width: 100%;
  height: auto;
  background: #000;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

.pong-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: rgba(0, 0, 0, 0.55);
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.pong-overlay.is-hidden {
  opacity: 0;
}

.pong-overlay__title {
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 4vw, 2rem);
  color: #fff;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.pong-overlay__msg {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.7);
  text-align: center;
  padding: 0 1rem;
}

.pong-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: var(--space-lg);
  position: relative;
}

.pong-controls .btn {
  flex: 1;
  min-width: 120px;
}

.pong-instructions {
  position: relative;
  padding-top: var(--space-md);
  border-top: 1px solid rgba(148, 163, 184, 0.08);
}

.pong-instructions__title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--color-text);
  margin-bottom: var(--space-md);
}

.pong-instructions__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.pong-instructions__card {
  padding: var(--space-sm);
  background: rgba(148, 163, 184, 0.04);
  border: 1px solid rgba(148, 163, 184, 0.08);
  border-radius: var(--radius-md);
}

.pong-instructions__label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-teal);
  margin-bottom: 0.5rem;
}

.pong-instructions__keys {
  list-style: none;
}

.pong-instructions__keys li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 0.35rem;
}

.pong-instructions__keys kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.75rem;
  padding: 0.15rem 0.4rem;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text);
  background: var(--color-bg-card);
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: 4px;
  box-shadow: 0 2px 0 rgba(0, 0, 0, 0.3);
}

.pong-instructions__note {
  font-size: 0.85rem;
  color: var(--color-text-subtle);
  line-height: 1.6;
}

.pong-instructions__note strong {
  color: var(--color-text-muted);
}

@media (max-width: 600px) {
  .pong-scoreboard {
    gap: 0.75rem;
  }

  .pong-scoreboard__player {
    font-size: 0.6rem;
    min-width: 3.5rem;
  }

  .pong-scoreboard__score {
    font-size: 1.5rem;
  }

  .pong-controls .btn {
    flex: 1 1 100%;
  }
}