body {
  background-color: #0d1117;
  color: #c9d1d9;
  font-family: 'Fira Code', monospace;
}
/*prub tema D/L*/
body.light-mode {
  background-color: #ffffff;
  color: #111;
}

body.light-mode .section-title {
  color: #0d6efd;
  background: linear-gradient(to right, #f0f0f0, transparent);
}

body.light-mode .card-custom {
  background: #f8f9fa;
  border: 1px solid #dee2e6;
}

body.light-mode .navbar {
  background-color: #e9ecef;
}

body.light-mode .navbar a {
  color: #111;
}

body.light-mode a {
  color: #0d6efd;
}
body.light-mode #toggleTheme {
  border-color: #333;
  color: #333;
}

.section-title {
  border-left: 4px solid #58a6ff;
  padding-left: 12px;
  margin-bottom: 1rem;
  color: #58a6ff;
  font-size: 1.7rem;
  background: linear-gradient(to right, #1f2937, transparent);
  cursor: pointer;
}

.card-custom {
  position: relative;
  background: #161b22;
  border: 1px solid #30363d;
  border-radius: 12px;
  padding: 1.5rem;
  overflow: hidden;
  z-index: 1;
  height: 100%;
  transition: transform 0.3s ease;
  animation: fadeInUp 0.8s ease both, popIn 0.5s ease both;
  animation-delay: var(--delay, 0s);
}

.card-custom:hover {
  transform: scale(1.015);
}

/* Borde animado tipo neón */
.card-custom::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  border: 2px solid transparent;
  border-radius: 12px;
  background: linear-gradient(90deg, #f8c471, #f39c12, #e67e22, #f8c471);
  background-size: 300% 300%;
  animation: neonBorder 3s linear infinite;
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  -webkit-mask-composite: destination-out;
  pointer-events: none;
  z-index: -1;
}

@keyframes neonBorder {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Efecto tipo carpeta MacOS */
@keyframes popIn {
  0% {
    opacity: 0;
    transform: scale(0.9) translateY(20px);
  }
  60% {
    opacity: 1;
    transform: scale(1.03) translateY(-5px);
  }
  100% {
    transform: scale(1) translateY(0);
  }
}

@keyframes fadeInUp {
  0% {
    opacity: 0;
    transform: translateY(20px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

a {
  color: #79c0ff;
  text-decoration: none;
}
a:hover {
  color: #1f6feb;
  text-decoration: underline;
}

h1::before {
  content: "🧑‍💻 ";
}

footer {
  border-top: 1px solid #30363d;
  padding-top: 1rem;
  margin-top: 4rem;
}

.collapse-section {
  display: none;
}
.show {
  display: flex !important;
}

.navbar {
  background-color: #161b22;
  margin-bottom: 2rem;
}
.navbar a {
  color: #c9d1d9;
}
.navbar a:hover {
  color: #58a6ff;
}

/* Animación de texto máquina de escribir */
.typing-title {
  display: inline-block;
  overflow: hidden;
  border-right: 0.15em solid #58a6ff;
  white-space: nowrap;
  animation: typingLoop 8s steps(24, end) infinite, blink-caret 0.75s step-end infinite;
  width: 0;
}

@keyframes typingLoop {
  0% { width: 0ch; }
  40% { width: 24ch; }
  60% { width: 24ch; }
  80% { width: 0ch; }
  100% { width: 0ch; }
}

@keyframes blink-caret {
  from, to { border-color: transparent; }
  50% { border-color: #58a6ff; }
}

/* Glow para títulos con atención */
.attention-glow {
  animation: glowPulse 2s infinite ease-in-out;
  color: #00ffff;
  text-shadow: 0 0 5px #0ff, 0 0 10px #0ff;
}

@keyframes glowPulse {
  0%, 100% {
    transform: scale(1);
    text-shadow: 0 0 5px #0ff, 0 0 10px #0ff;
  }
  50% {
    transform: scale(1.03);
    text-shadow: 0 0 15px #0ff, 0 0 25px #0ff;
  }
}
/*footeer estilo */
.typing-footer {
  font-family: monospace;
  color: white;
  white-space: nowrap;
  overflow: hidden;
  border-right: 2px solid white;
  width: 0; /* Esto es clave */
  animation: typing 5s steps(50, end) forwards, blink 0.8s step-end infinite;
  margin: 0 auto;
  display: inline-block;
}

/* Animación de escritura */
.console-effect {
  font-family: 'Courier New', monospace;
  color: #00ff99; /* Verde consola */
  background-color: black;
  padding: 12px 20px;
  display: inline-block;
  border-radius: 6px;
  font-size: 1rem;
  box-shadow: 0 0 10px #00ff99;
  white-space: pre; /* Para mantener los espacios y saltos */
}
@keyframes flicker {
  0%, 19%, 21%, 23%, 25%, 54%, 56%, 100% {
    opacity: 1;
  }
  20%, 22%, 24%, 55% {
    opacity: 0.3;
  }
}
/*Estilos msj*/
.easter-btn {
  background: transparent;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  opacity: 0.3;
  transition: opacity 0.3s ease;
}

.easter-btn:hover {
  opacity: 1;
  transform: scale(1.1);
}
/*Chiostes malos*/
.easter-message {
  margin-top: 10px;
  font-family: 'Courier New', monospace;
  color: #f9d423;
  text-shadow: 0 0 8px #f9d423;
  font-size: 1rem;
  animation: blinkGlow 2s infinite;
}
body.light-mode .easter-message {
  color: #b85c00;
  text-shadow: 0 0 5px #ffcc80;
}
body.light-mode .easter-btn {
  opacity: 0.9;
  color: #333;
}
.d-none {
  display: none;
}