/* Reset y configuración base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Courier New', monospace;
    overflow: hidden;
    background: linear-gradient(180deg, #0a0a1a 0%, #1a0a2e 100%);
    color: #fff;
}

/* Container del canvas */
#container {
    width: 100vw;
    height: 100vh;
    display: block;
}

/* Pantalla de inicio */
.pantalla-inicio {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: linear-gradient(135deg, #0a0a1a 0%, #1a0a2e 50%, #0f1535 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    animation: aparecer 0.5s ease-out;
}

.pantalla-inicio.ocultar {
    animation: desvanecer 0.8s ease-out forwards;
}

.contenido-inicio {
    text-align: center;
    max-width: 600px;
    padding: 30px;
    background: rgba(15, 21, 53, 0.7);
    border: 2px solid rgba(0, 255, 255, 0.4);
    border-radius: 30px;
    box-shadow: 0 0 50px rgba(0, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.titulo-inicio {
    font-size: 2.5em;
    font-family: 'Segoe UI', Tahoma, Arial, sans-serif;
    font-style: normal;
    font-weight: bold;
    background: linear-gradient(90deg, #00ffff, #00d4ff, #0099ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
    text-shadow: 0 0 30px rgba(0, 255, 255, 0.5);
    animation: pulso 2s ease-in-out infinite;
}

.descripcion-inicio {
    margin: 25px 0;
}

.descripcion-inicio p {
    font-family: 'Segoe UI', Tahoma, Arial, sans-serif;
    font-style: normal;
    font-size: 1.1em;
    margin-bottom: 15px;
    color: #e0e0e0;
}

.instrucciones-uso {
    text-align: left;
    background: rgba(0, 255, 255, 0.05);
    padding: 20px;
    border-radius: 15px;
    border: 1px solid rgba(0, 255, 255, 0.2);
    line-height: 1.8;
    font-size: 0.95em !important;
}

.icono-instruccion {
    display: inline-block;
    width: 30px;
    font-size: 1.2em;
}

.boton-comenzar {
    margin-top: 30px;
    padding: 18px 40px;
    font-size: 1.3em;
    font-family: 'Segoe UI', Tahoma, Arial, sans-serif;
    font-style: normal;
    font-weight: bold;
    background: linear-gradient(135deg, #00ffff, #00aaff);
    color: #0a0a1a;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    box-shadow: 0 0 30px rgba(0, 255, 255, 0.6);
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.boton-comenzar:hover {
    transform: scale(1.05);
    box-shadow: 0 0 50px rgba(0, 255, 255, 0.9);
    background: linear-gradient(135deg, #00ffff, #00d4ff);
}

.boton-comenzar:active {
    transform: scale(0.98);
}

/* Cuadro de diálogo estilo retro */
#dialogo {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(90deg, #1e293b99, #334155aa);
  border: 2px solid #00ffff55;
  border-radius: 20px;
  padding: 20px 25px;
  color: #fff;
  font-size: 1em;
  font-family: 'Segoe UI', Tahoma, Arial, sans-serif;
  font-style: normal;
  text-shadow: 0 0 10px rgba(0, 255, 255, 0.3);
  box-shadow: 0 0 30px rgba(0, 255, 255, 0.4);
  max-width: 90%;
  line-height: 1.6;
  backdrop-filter: blur(8px);
  transition: all 0.3s ease;
  animation: aparecer 0.5s ease-out;
  z-index: 1000;
}

#dialogo strong {
  font-weight: bold;
  font-style: normal;
  color: #ffd700;
  text-shadow: 0 0 8px rgba(255, 215, 0, 0.6);
}


.dialogo p {
    font-size: 16px;
    line-height: 1.6;
    color: #ffd700;
    text-shadow: 0 0 5px rgba(255, 215, 0, 0.5);
    margin: 0;
}

/* Animación de aparición */
@keyframes aparecer {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

/* Clase para ocultar el diálogo */
.dialogo.oculto {
    display: none;
}

/* Instrucciones iniciales */
.instrucciones {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(26, 10, 46, 0.9);
    border: 2px solid #ff6b6b;
    border-radius: 10px;
    padding: 12px 20px;
    font-size: 14px;
    color: #fff;
    text-shadow: 0 0 5px rgba(255, 107, 107, 0.5);
    z-index: 100;
    animation: parpadeo 2s ease-in-out infinite;
}

@keyframes parpadeo {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

@keyframes pulso {
    0%, 100% { 
        transform: scale(1);
        filter: brightness(1);
    }
    50% { 
        transform: scale(1.05);
        filter: brightness(1.2);
    }
}

@keyframes desvanecer {
    to {
        opacity: 0;
        visibility: hidden;
    }
}

/* Ocultar instrucciones después de la primera interacción */
.instrucciones.oculto {
    animation: desaparecer 0.5s ease-out forwards;
}

@keyframes desaparecer {
    to {
        opacity: 0;
        transform: translateX(-50%) translateY(-20px);
    }
}

/* Botón de control de música */
.music-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(26, 10, 46, 0.8);
    border: 2px solid #00ffff55;
    color: #fff;
    font-size: 24px;
    cursor: pointer;
    z-index: 100;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.3);
}

.music-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 0 25px rgba(0, 255, 255, 0.6);
    border-color: #00ffff;
}

.music-toggle:active {
    transform: scale(0.95);
}

.music-toggle.muted {
    opacity: 0.5;
}

/* Responsive para móviles */
@media (max-width: 768px) {
    .titulo-inicio {
        font-size: 2em;
    }
    
    .contenido-inicio {
        padding: 20px;
        max-width: 90%;
    }
    
    .descripcion-inicio p {
        font-size: 1em;
    }
    
    .instrucciones-uso {
        font-size: 0.9em !important;
        padding: 15px;
    }
    
    .boton-comenzar {
        font-size: 1.1em;
        padding: 15px 30px;
    }
    
    #dialogo {
        width: 90%;
        max-width: 90%;
        padding: 15px 20px;
        bottom: 20px;
        font-size: 0.9em;
        line-height: 1.5;
    }
    
    #dialogo strong {
        font-size: 1em;
    }
    
    .instrucciones {
        font-size: 11px;
        padding: 10px 15px;
        max-width: 90%;
    }
    
    .music-toggle {
        width: 45px;
        height: 45px;
        font-size: 20px;
        top: 15px;
        right: 15px;
    }
}

/* Para pantallas muy pequeñas */
@media (max-width: 480px) {
    .titulo-inicio {
        font-size: 1.6em;
    }
    
    .contenido-inicio {
        padding: 15px;
    }
    
    .descripcion-inicio p {
        font-size: 0.9em;
    }
    
    .instrucciones-uso {
        font-size: 0.85em !important;
        padding: 12px;
    }
    
    .boton-comenzar {
        font-size: 1em;
        padding: 12px 25px;
    }
    
    #dialogo {
        font-size: 0.85em;
        padding: 12px 16px;
        bottom: 15px;
    }
    
    .instrucciones {
        font-size: 10px;
        padding: 8px 12px;
    }
}

/* Efecto de brillo en el borde del diálogo */
/*.dialogo::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, #4ecdc4, #ff6b6b, #ffd700, #4ecdc4);
    border-radius: 15px;
    z-index: -1;
    opacity: 0;
    animation: brilloRotante 3s linear infinite;
}*/

@keyframes brilloRotante {
    0% { opacity: 0; }
    50% { opacity: 0.3; }
    100% { opacity: 0; }
}