/* Overlay retrô */
#start-overlay {
  position: fixed;
  inset: 0;
  background: black;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}

/* TV ligando */
#tv-on {
  position: absolute;
  inset: 0;
  background: black;
  animation: tvOnAnim 1.2s ease-out forwards;
}

@keyframes tvOnAnim {
  0% { transform: scaleY(0); opacity: 1; }
  30% { transform: scaleY(0.02); }
  60% { transform: scaleY(1.1); }
  100% { opacity: 0; visibility: hidden; }
}

/* Tela inicial */
.start-screen {
  position: relative;
  text-align: center;
  z-index: 20;
  font-family: 'Press Start 2P', monospace;
}

.logo {
  color: #00ffcc;
  font-size: 24px;
  margin-bottom: 40px;
  text-shadow: 0 0 8px #00ffaa;
}

/* Botão PRESS START piscando */
.start-btn {
  background: transparent;
  border: 2px solid #00ff88;
  color: #00ff88;
  padding: 15px 25px;
  cursor: pointer;
  font-family: 'Press Start 2P';
  animation: blink 1.3s infinite;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0.3; }
}

/* CRT apenas no overlay */
#start-overlay::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255,255,255,0.05) 0px,
    rgba(255,255,255,0.05) 2px,
    rgba(0,0,0,0.05) 2px,
    rgba(0,0,0,0.05) 4px
  );
  mix-blend-mode: overlay;
  opacity: 0.25;
  animation: crtAnim 0.18s infinite;
}

@keyframes crtAnim {
  0%   { opacity: 0.20; }
  50%  { opacity: 0.27; }
  100% { opacity: 0.22; }
}