/* Reset y fuente */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Arial', sans-serif;
}

body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background-color: #f7f2ff;
  color: #000000;
  transition: background-color 0.5s, color 0.5s;
  padding: 10px;
  text-align: center;
  position: relative;
}

body.dark {
  background-color: #1a1a1a;
  color: #cfcfcf;
}

.control-musica {
  position: fixed;
  top: 15px;
  right: 15px;
  z-index: 100;
}

.control-musica button {
  padding: 1px 1px;
  border-radius: 6px;
  border: none;
  background: linear-gradient(45deg, #a02a2a, #cc00ff);
  color: rgb(5, 255, 130);
  font-size: 1rem;
  cursor: pointer;
  box-shadow: 0 3px 1px rgba(0,0,0,0.2);
}

.control-musica button:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

.tarjeta {
  width: 100%;
  max-width: 400px;
  background: transparent;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.logo-container {
  width: 170px;
  height: 170px;
  border-radius: 50%;
  background-color: #1a1a1a;
  border: 4px solid rgb(255, 0, 200);
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0 auto;
  filter: drop-shadow(2px 2px 4px rgba(0,0,0,0.5));
  box-shadow: 0 0 35px rgba(255, 0, 179, 0.76);
  animation: latido 2s infinite;
}

.logo-container img {
  width: 200px;
  height: auto;
  border-radius: 50%;
}


h1 {
  font-size: 1rem;
  margin-top: 10px;
}

p {
  font-size: 1rem;
  margin-bottom: 20px;
}

.botones {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 20px;
}

.boton {
  padding: 12px 15px;
  border-radius: 6px;
  text-decoration: none;
  color: rgb(255, 255, 255);
  background: linear-gradient(45deg, #ff6b6b, #f06595);
  transition: transform 0.3s, box-shadow 0.3s;
  box-shadow: 0 3px 10px rgba(0,0,0,0.2);
  font-size: 1.1rem;
  text-align: center;
  cursor: pointer;
}

.boton:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

@keyframes latido {
  0%, 100% { transform: scale(1); }
  10% { transform: scale(1.05); }
}