* {
  margin: 0; padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

:root {
  --blue-accent: #0d4ba8;
  --bg-dark: #121216;
  --gray-medium: #1A1A23;
  --gray-light: #121216;
  --text-light: #e6ecf3;
  --shadow-color: rgba(11, 62, 148, 0.4);
  --transition-speed: 0.3s;
}
/* === ESTILOS PARA BOTON DE DESCARGA VERDE === */
    .download-btn1 {
      background-color: #28a745; /* verde */
      color: white;
      border: none;
      padding: 6px 12px;
      border-radius: 4px;
      cursor: pointer;
      font-size: 1rem;
      transition: background-color 0.3s ease;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      text-decoration: none;
    }
    .download-btn1:hover {
      background-color: #218838; /* verde más oscuro */
    }
    .download-btn1[href] {
      display: inline-flex;
    }
    /* Spinner girando */
  .spinner {
    border: 3px solid rgba(0, 0, 0, 0.1);
    border-top: 3px solid #28a745; /* color verde igual que el botón */
    border-radius: 50%;
    width: 18px;
    height: 18px;
    animation: spin 1s linear infinite;
    display: inline-block;
    vertical-align: middle;
    margin-right: 6px;
  }

  @keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
  }

/* === Modo oscuro (predeterminado) === */
body.dark {
  background: var(--bg-dark);
  color: var(--text-light);
  transition: background var(--transition-speed), color var(--transition-speed);
}
body.dark .sidebar {
  background: var(--gray-medium);
  color: var(--text-light);
}
body.dark .sidebar button,
body.dark .sidebar nav ul li {
  color: var(--text-light);
}
body.dark .sidebar nav ul li:hover,
body.dark .sidebar nav ul li:focus {
  background: var(--blue-accent);
  color: white;
}
body.dark .main-content {
  background: var(--gray-light);
  color: var(--text-light);
}
body.dark header input[type="text"] {
  background: #1d1d1d;
  color: var(--text-light);
}
body.dark .card {
  background: #1f1f1f;
  color: var(--text-light);
}
body.dark .card:hover {
  background: var(--blue-accent);
}
body.dark button.open-downloads {
  background: var(--blue-accent);
  color: white;
}
body.dark button.open-downloads:hover,
body.dark button.open-downloads:focus {
  background: #0d4ba8;
}
body.dark .downloads-panel {
  background: var(--gray-medium);
  color: var(--text-light);
}
body.dark #downloadsList li {
  color: var(--text-light);
}

/* === Estilos generales === */
.container {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

.sidebar {
  width: 260px;
  padding: 25px 20px;
  display: flex;
  flex-direction: column;
  box-shadow: 3px 0 10px rgba(0,0,0,0.6);
  user-select: none;
  transition: background var(--transition-speed), color var(--transition-speed);
}

.sidebar h2 {
  font-weight: 700;
  font-size: 1.8rem;
  margin-bottom: 25px;
  color: var(--blue-accent);
  text-align: center;
}

.sidebar nav ul {
  list-style: none;
}

.sidebar nav ul li {
  margin: 15px 0;
  font-size: 1.1rem;
  cursor: pointer;
  padding: 12px 15px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: background var(--transition-speed), color var(--transition-speed);
}

.sidebar button.theme-toggle {
  margin-top: auto;
  padding: 10px 14px;
  font-size: 1rem;
  background: var(--blue-accent);
  border: none;
  border-radius: 8px;
  color: white;
  cursor: pointer;
  transition: background var(--transition-speed), transform var(--transition-speed);
  display: flex;
  align-items: center;
  gap: 8px;
}
.sidebar button.theme-toggle:hover,
.sidebar button.theme-toggle:focus {
  background: #0d4ba8;
}

.main-content {
  flex: 1;
  padding: 25px;
  overflow-y: auto;
  transition: background var(--transition-speed), color var(--transition-speed);
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 25px;
  gap: 15px;
}

header input[type="text"] {
  flex: 1;
  padding: 14px 20px;
  font-size: 1rem;
  border-radius: 50px;
  border: 2px solid transparent;
  transition: all 0.3s ease;
  caret-color: var(--blue-accent);
}

header input[type="text"]:hover,
header input[type="text"]:focus {
  border-color: var(--blue-accent);
  box-shadow: 0 0 10px var(--blue-accent);
}

header input[type="text"]::placeholder {
  color: #99a1b5;
}

button.open-downloads {
  padding: 12px 18px;
  font-size: 1.1rem;
  background: var(--blue-accent);
  border: none;
  border-radius: 50px;
  color: white;
  cursor: pointer;
  box-shadow: 0 4px 8px var(--shadow-color);
  transition: background var(--transition-speed), box-shadow var(--transition-speed);
}

button.open-downloads:hover,
button.open-downloads:focus {
  background: #0d4ba8;
  box-shadow: 0 6px 12px var(--blue-accent);
}

.content-section h2 {
  font-size: 1.8rem;
  margin-bottom: 15px;
  color: var(--blue-accent);
}

.content-section p {
  font-size: 1.1rem;
  line-height: 1.5;
  color: inherit;
}

.card {
  padding: 15px;
  margin-bottom: 15px;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  gap: 15px;
  transition: background var(--transition-speed), transform var(--transition-speed), color var(--transition-speed);
  cursor: pointer;
  border: 1px solid #444;
  background-color: #222;
}

.card img {
  width: 80px;
  height: 80px;
  border-radius: 6px;
  flex-shrink: 0;
}        

.card strong {
  font-size: 1.1rem;
}

.card em {
  font-size: 0.9rem;
  color: #9bb7ff;
}

/* Ajustamos un poco el reproductor de audio */
.card audio {
  width: 350px;             /* Más ancho */
  height: 30px;
  background-color: transparent;   /* Fondo oscuro */
  border-radius: 6px;
  outline: none;
  filter: drop-shadow(0 0 2px #0052a3);  /* Sombra azul */
}

/* Chrome, Edge, Safari */
.card audio::-webkit-media-controls-panel {
  background-color: #222;
  border-radius: 6px;
}

.card audio::-webkit-media-controls-play-button,
.card audio::-webkit-media-controls-timeline,
.card audio::-webkit-media-controls-current-time-display,
.card audio::-webkit-media-controls-time-remaining-display {
  filter: invert(1);  /* Para que los iconos se vean claros */
}

.card audio::-webkit-media-controls-volume-slider {
  filter: invert(1);
}

/* Firefox */
.card audio::-moz-range-track {
  background: #1E90FF;  /* Barra de progreso azul */
  border-radius: 6px;
}

.card audio::-moz-range-thumb {
  background: #1E90FF;  /* Thumb azul */
  border-radius: 50%;
  border: none;
  cursor: pointer;
}

.card audio::-moz-focus-outer {
  border: 0;
}
    .download-btn {
      background-color: #0e0f70;
      border: none;
      color: white;
      padding: 6px 12px;
      font-size: 0.9rem;
      border-radius: 20px;
      cursor: pointer;
      transition: background-color 0.3s ease;
    }
    .download-btn:hover {
      background-color: #010003ad;
    }
    .card div.info {
      flex: 1;
      color: #eee;
    }
    .card audio {
      margin-right: 10px;
      outline: none;
    }
    .card .actions {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    /* Ocultar el reproductor en pantallas pequeñas */
    @media screen and (max-width: 768px) {
      .card audio {
        display: none;
      }
    }
/* Panel de descargas */
.downloads-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: 320px;
  height: 100vh;
  box-shadow: -4px 0 15px rgba(0,0,0,0.7);
  padding: 20px;
  transform: translateX(100%);
  transition: transform 0.35s ease;
  z-index: 999;
  display: flex;
  flex-direction: column;
}

.downloads-panel.visible {
  transform: translateX(0);
}

.downloads-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.downloads-header h3 {
  color: var(--blue-accent);
  font-weight: 700;
  font-size: 1.4rem;
}

.downloads-header button {
  background: transparent;
  border: none;
  font-size: 1.5rem;
  color: inherit;
  cursor: pointer;
  transition: color var(--transition-speed);
}

.downloads-header button:hover {
  color: var(--blue-accent);
}

#downloadsList {
  list-style: none;
  overflow-y: auto;
  flex: 1;
  padding-right: 5px;
}

#downloadsList li {
  padding: 10px 8px;
  border-bottom: 1px solid #444c5c;
  font-weight: 600;
}

#downloadsList::-webkit-scrollbar,
.main-content::-webkit-scrollbar {
  width: 8px;
}

#downloadsList::-webkit-scrollbar-thumb,
.main-content::-webkit-scrollbar-thumb {
  background: var(--blue-accent);
  border-radius: 10px;
}

#downloadsList::-webkit-scrollbar-track,
.main-content::-webkit-scrollbar-track {
  background: transparent;
}


/* COLA DE DESCARGA SPINER Y BTON DESCARGA */
.cola-descargas {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 300px;
  max-height: 60vh;
  background: #222;
  color: white;
  border-radius: 10px;
  box-shadow: 0 0 15px rgba(0,0,0,0.4);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  font-family: sans-serif;
  transition: max-height 0.3s ease;
  z-index: 9999; /* 👈 Esto asegura que esté al frente */
}

.cola-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 10px;
  background: #111;
  border-bottom: 1px solid #444;
}

.toggle-btn {
  background: transparent;
  border: none;
  color: white;
  font-size: 18px;
  cursor: pointer;
}

.cola-descargas.collapsed {
  max-height: 36px;  /* solo se ve el header */
}

.cola-item {
  background: #333;
  border-radius: 8px;
  padding: 8px;
  margin: 5px 10px;
  font-size: 14px;
}

/* Spinner y demás (igual que antes) */
.cola-item .spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 3px solid #999;
  border-top: 3px solid white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-right: 6px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.download-btn1 {
  display: inline-block;
  margin-top: 5px;
  padding: 5px 10px;
  background: #28a745;
  color: white;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
}


@media (max-width: 900px) {
  .sidebar {
    display: none;
  }
  .downloads-panel {
    width: 100%;
  }
  .main-content {
    padding: 15px 10px;
  }
  header {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }
}