body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: linear-gradient(135deg, #0a0f2c, #1c2b5a);
  color: white;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

/* APP */
.app {
  text-align: center;
}

/* HEADER */
.logo {
  width: 90px;
  margin-bottom: 10px;
}

/* CARD */
.card {
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(15px);
  padding: 40px;
  border-radius: 25px;
  width: 320px;
  box-shadow: 0 0 25px rgba(0,0,0,0.4);
  transition: 0.3s;
}

.card.playing {
  box-shadow: 0 0 40px rgba(0,195,255,0.5);
  transform: scale(1.02);
}

/* STATUS */
.status {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 15px;
}

.live-dot {
  width: 10px;
  height: 10px;
  background: red;
  border-radius: 50%;
  margin-right: 8px;
  animation: pulse 1s infinite;
}

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

/* ONDAS */
.waves {
  display: flex;
  justify-content: center;
  gap: 4px;
  height: 40px;
  margin-bottom: 15px;
}

.waves span {
  width: 4px;
  background: #00c3ff;
  animation: wave 1s infinite;
}

@keyframes wave {
  0%,100% {height:10px;}
  50% {height:30px;}
}

/* BOTÓN */
button {
  padding: 14px 25px;
  border-radius: 30px;
  border: none;
  background: linear-gradient(135deg,#00c3ff,#0077ff);
  color: white;
  font-weight: bold;
  cursor: pointer;
}

button:hover {
  transform: scale(1.05);
}

/* TEXTO DINÁMICO */
.now-status {
  margin-top: 12px;
  font-size: 14px;
  animation: blink 2s infinite;
}

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

/* PANEL */
.panel {
  margin-top: 15px;
  font-size: 13px;
  opacity: 0.8;
}

/* FOOTER */
footer {
  margin-top: 15px;
  font-size: 12px;
  opacity: 0.6;
}