#main-container {
  position: relative;
  width: 722px;
  height: 402px;
  display: flex;
  flex-direction: column;
  background-color: #000; /* fondo base defensivo */
  overflow: hidden;
  border: 1px solid #000;
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Header ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
.header {
  width: 722px;
  height: 67px;
  background: linear-gradient(to top, #28313f 0%, #28313f 70%, #404958 70%, #404958 100%);
  box-shadow:
    inset 0 0 0 1px #3f434e,         /* contorno interior negro */
    inset 0 0 12px #000;       /* resplandor interior sólido */
}

.header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 28px;
  padding: 0 8px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-icon {
  width: 24px;
  height: 24px;
  transition: transform 0.6s ease;
}

.brand-icon:hover {
  transform: rotate(360deg);
}

.radio-title {
  font-family: 'Impact', sans-serif;
  font-weight: 500;
  font-size: 14px;
  color: #ebeff8;
}

.btn-online {
  width: 104px;
  height: 24px;
  background: linear-gradient(to bottom, #ebeff8 0%, #ebeff8 50%, #9c9faf 50%, #9c9faf 100%);
  border: none;
  border-top-left-radius: 0;
  border-top-right-radius: 0;
  border-bottom-left-radius: 12px;
  border-bottom-right-radius: 12px;
  font-family: 'Impact', sans-serif;
  font-weight: 400;
  font-size: 14px;
  color: #3f434e;
  text-transform: uppercase;
  box-shadow: inset 0 0 0 1px #3f434e;
}

.header-bottom {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding: 0 4px;
  height: 36px;
  margin-top: 3px;
}

.btn-social {
  display: flex;
  flex-direction: row; /* horizontal layout */
  align-items: center; /* vertical centering */
  justify-content: flex-start; /* alineación izquierda */
  gap: 6px; /* espacio entre ícono y texto */
  width: 114px;
  height: 36px;
  padding-left: 8px;
  background: linear-gradient(to bottom, #292d38 0%, #292d38 25%, #444c5b 75%, #343a46 100%);
  border-top-left-radius: 12px;
  border-top-right-radius: 12px;
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
  box-shadow:
    inset 0 0 0 1px #000,
    inset 0 -4px 4px #575e6d;
  border: none;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn-social i {
  font-size: 16px;
  color: #ebeff8;
}

.btn-social span {
  font-size: 12px;
  color: #ebeff8;
  text-align: left;
  line-height: 1;
}

/* Barra inferior extendida */
.btn-social::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: -1px;
  width: 120px;
  height: 6px;
  background-color: #6c6c6c;
  box-shadow: inset 0 0 0 1px #000;
}

/* Animación para el botón ONLINE */
.btn-online {
  transition: all 0.3s ease;
}

.btn-online:hover {
  background: linear-gradient(to bottom, #f5f8ff 0%, #b0b3c2 100%);
  box-shadow:
    inset 0 0 0 1px #3f434e,
    0 0 6px rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
}

/* Animación para los botones sociales */
.btn-social {
  transition: all 0.3s ease;
}

.btn-social:hover {
  background: linear-gradient(to bottom, #343a46 0%, #444c5b 50%, #292d38 100%);
  box-shadow:
    inset 0 0 0 1px #000,
    inset 0 -4px 4px #6b7382,
    0 0 6px rgba(255, 255, 255, 0.1);
  transform: translateY(-1px);
}

/* Animación para la barra inferior del botón social */
.btn-social::after {
  transition: background-color 0.3s ease;
}

.btn-social:hover::after {
  background-color: #7a7a7a;
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Panel Superior ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
.panel-top {
  width: 722px;
  height: 28px;
  background-color: #171c20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 8px;
  box-shadow: inset 0 -2px 4px #000;
  font-family: sans-serif;
}

/* Sección izquierda con ícono y texto */
.panel-top-left {
  display: flex;
  align-items: center;
  gap: 6px;
  color: #d4af37;
  font-size: 13px;
}

.panel-top-left i {
  font-size: 14px;
  color: #d4af37;
}

/* Contenedor central para metadatos */
.panel-top-meta {
  flex: 1;
  display: flex;
  justify-content: center;
}

.meta-container {
  width: 80%;
  height: 18px;
  background-color: rgba(212, 175, 55, 0.1); /* dorado semitransparente */
  border-radius: 4px;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 0 8px;
}

.meta-text {
  color: #d4af37;
  font-size: 12px;
  white-space: nowrap;
  animation: scroll-left 12s linear infinite;
}

/* Animación tipo marquesina */
@keyframes scroll-left {
  0% {
    transform: translateX(100%);
  }
  100% {
    transform: translateX(-100%);
  }
}

/* ================= Panel Medio con Panel Izquierdo y Derecho ================= */
.panel-middle {
  display: flex;
  width: 722px;
  height: 218px;
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Cover ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
.panel-left {
  width: 297px;
  height: 218px;
  background-color: #121416;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  overflow: hidden;
}

/* Contenedor horizontal con superposición */
.cover-cd-wrapper {
  position: relative;
  width: 260px;
  height: 170px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* CD giratorio a la derecha, parcialmente cubierto por la portada */
.cd-img {
  width: 170px;
  height: 170px;
  animation: spin-cd 6s linear infinite;
  z-index: 1;
  position: relative;
  left: 40px; /* empuja el CD hacia la derecha */
}

/* Portada a la izquierda, superpuesta parcialmente sobre el CD */
.cover-img {
  width: 170px;
  height: 170px;
  object-fit: cover;
  box-shadow: 0 0 6px #000;
  position: absolute;
  left: 0;
  top: 0;
  z-index: 2;
}

/* Animación de giro */
@keyframes spin-cd {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Panel Derecho ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
.panel-right {
  width: 421px;
  height: 218px;
  max-height: 218px;
  background-color: transparent;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 8px;
  box-sizing: border-box;
  overflow-y: auto;
  overflow-x: hidden; /* elimina scroll horizontal */

  /* Scroll vertical estilizado */
  scrollbar-width: thin; /* Firefox */
  scrollbar-color: #444c5b transparent;
}

/* Scroll vertical estilizado para WebKit (Chrome, Edge, Safari) */
.panel-right::-webkit-scrollbar {
  width: 6px;
}

.panel-right::-webkit-scrollbar-track {
  background: transparent;
}

.panel-right::-webkit-scrollbar-thumb {
  background-color: #444c5b;
  border-radius: 0;
  box-shadow: inset 0 0 2px #000;
}

/* Bloque individual de track */
.track-block {
  min-height: 50px;
  width: 100%;
  height: 50px;
  display: flex;
  align-items: center;
  background-color: #171c20;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 0 4px #000;
  transition: box-shadow 0.3s ease, transform 0.3s ease, border 0.3s ease;
  position: relative;
  border: 2px solid transparent;
}

/* Hover ceremonial */
.track-block:hover {
  box-shadow: 0 0 8px #d4af37;
  transform: translateY(-2px);
}

/* Track activo con borde dorado */
.track-block.active {
  border: 2px solid #d4af37;
}

/* Carátula */
.track-cover {
  width: 40px;
  height: 40px;
  margin-left: 6px;
  border-radius: 4px;
  overflow: hidden;
  flex-shrink: 0;
}

.track-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Metadatos centrales */
.track-meta {
  flex: 1;
  padding: 4px 8px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: #d4af37;
  font-size: 12px;
}

/* Título del track */
.track-title {
  font-weight: bold;
  margin-bottom: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Artista y duración */
.track-info {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  opacity: 0.85;
}

/* Número del track */
.track-number {
  width: 50px;
  height: 100%;
  background-color: #000;
  color: #d4af37;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 13px;
  flex-shrink: 0;
  animation: fade-in 0.6s ease;
}

/* Animación de entrada */
@keyframes fade-in {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Efecto de parpadeo para el track activo */
.track-block.active {
    border-left: 4px solid #d4af37; /* Una marca dorada a la izquierda */
    background: rgba(212, 175, 55, 0.1);
    animation: blink-active 1.5s infinite ease-in-out;
}

@keyframes blink-active {
    0% { opacity: 1; }
    50% { opacity: 0.6; }
    100% { opacity: 1; }
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Footer ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
.footer {
  width: 722px;
  height: 89px;
  background: linear-gradient(to top, #9598ab 0%, #9598ab 50%, #eceff9 50%, #eceff9 100%);
  box-shadow: inset 0 0 16px #000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 12px;
  box-sizing: border-box;
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Botonera ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
.footer-left {
  width: 298px;
  height: 89px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 18px;
}

.btn-control {
  width: 48px;
  height: 48px;
  background: linear-gradient(to top, #6c6f80 0%, #8a8da0 40%, #eceff9 60%, #ffffff 100%);
  border: none;
  box-shadow:
    inset 0 0 0 2px #fff,
    inset 0 -4px 6px #000,
    0 0 4px rgba(0, 0, 0, 0.4);
  display: flex;
  justify-content: center;
  align-items: center;
  color: #000;
  font-size: 18px;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-control:hover {
  transform: scale(1.05);
  box-shadow:
    inset 0 0 0 2px #fff,
    inset 0 -4px 6px #000,
    0 0 8px #d4af37;
}

.btn-repeat.active,
.btn-shuffle.active {
  box-shadow:
    inset 0 0 0 2px #fff,
    inset 0 -4px 6px #000,
    0 0 12px #ffd700,
    0 0 20px #ffd700;
}

/* Botón central Play/Pause */
.btn-play {
  width: 74px;
  height: 74px;
  font-size: 24px;
}

.btn-control.active-glow {
  box-shadow: 0 0 10px 2px #d4af37; /* Glow dorado */
  color: #d4af37;                   /* Ícono dorado */
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Estado y tiempo ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
.footer-center {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  margin-right: 30px; /* acercamiento hacia la botonera */
}

.status-block {
  width: 100px;
  height: 28px;
  background: linear-gradient(to bottom, #292d38 0%, #444c5b 100%);
  box-shadow:
    inset 0 0 0 1px #ccc,
    inset 0 -4px 4px #575e6d;
  color: #eceff9;
  font-size: 12px;
  font-weight: bold;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Volumen ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
.footer-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.volume-icon {
  color: #000;
  font-size: 16px;
}

/* Orificio para la barra de volumen */
.volume-track {
  width: 220px;
  height: 16px;
  background: #292d38;
  border-radius: 8px;
  box-shadow:
    inset 0 0 0 1px #ccc,
    inset 0 2px 4px #000;
  display: flex;
  align-items: center;
  padding: 0 4px;
}

.volume-bar {
  width: 100%;
  height: 4px;
  border-radius: 4px;
  appearance: none;
  background: linear-gradient(to right, #d4af37 0%, #d4af37 70%, #292d38 70%, #292d38 100%);
  outline: none;
  cursor: pointer;
}

.volume-bar::-webkit-slider-thumb {
  width: 12px;
  height: 12px;
  background: #d4af37;
  border-radius: 50%;
  cursor: pointer;
  appearance: none;
  box-shadow: 0 0 2px #000;
  margin-top: -4px;
}

/* Informacion de Contacto */
.modal {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.7);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
}

.modal.hidden {
  display: none !important;
}

.modal-content {
  position: relative;
  background: linear-gradient(to bottom, #ebeff8 0%, #ebeff8 30%, #9c9faf 60%, #9c9faf 100%);
  padding: 40px 24px 24px;
  border-radius: 8px;
  box-shadow: 0 0 15px #000;
  text-align: center;
  min-width: 280px;
}

.contact-img {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border-radius: 50%;
  margin: 12px auto;
  box-shadow: 0 0 8px #d4af37;
}

.close-modal {
  position: absolute;
  top: 16px;
  right: 24px;
  font-size: 24px;
  cursor: pointer;
}