:root {
  /* Variables originales */
  --primary: #6c5ce7;
  --secondary: #00cec9;
  --accent: #fd79a8;
  --dark: #2d3436;
  --light: #f7fafc;
  --success: #00b894;
  --warning: #fdcb6e;
  --danger: #d63031;
  
  /* Nuevas variables para temas */
  --bg-gradient-start: #5469d5;
  --bg-gradient-end: #45aaf2;
  --text-primary: #ffffff;
  --footer-text: #ffffff;
  --card-bg: rgba(255, 255, 255, 0.1);
}

/* Tema oscuro */
[data-theme="dark"] {
  --bg-gradient-start: #2c3e50; 
  --bg-gradient-end: #1e272e;
  --text-primary: #f5f6fa;
  --footer-text: #f5f6fa;
  --card-bg: rgba(0, 0, 0, 0.2);
}

/* Tema claro */
[data-theme="light"] {
  --bg-gradient-start: #c7ecee;
  --bg-gradient-end: #7ed6df;
  --text-primary: #2d3436;
  --footer-text: #2d3436;
  --card-bg: rgba(255, 255, 255, 0.25);
}
  
/* Aplicar fondo basado en tema */
body {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--bg-gradient-start), var(--bg-gradient-end));
  background-size: 400% 400%;
  animation: gradientBackground 15s ease infinite;
  display: flex;
  flex-direction: column;
  color: var(--text-primary);
  overflow-x: hidden;
  transition: background 0.5s ease;
}

/* Mejora de las tarjetas y paneles para adaptarse a temas */
.stat-card, .glass-morphism {
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  transition: background 0.3s, color 0.3s;
}

/* Footer mejorado con mejor contraste */
footer {
  margin-top: 3rem;
  padding-bottom: 1.5rem;
  text-align: center;
  position: relative;
  z-index: 10;
}

footer h2.text-2xl {
  font-size: 1.5rem;
  font-weight: 700;
  background-image: linear-gradient(to right, #ff9a9e, #fad0c4, #fad0c4);
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  text-shadow: 0px 2px 4px rgba(0, 0, 0, 0.2);
  margin-bottom: 0.75rem;
}

footer .text-gray-400,
footer .text-sm,
footer .text-xs {
  color: var(--footer-text) !important;
  text-shadow: 0px 1px 3px rgba(0, 0, 0, 0.2);
  font-weight: 500;
}

/* Contenedor con fondo para el footer */
.footer-container {
  background-color: rgba(0, 0, 0, 0.1);
  padding: 1.5rem;
  border-radius: 1rem;
  backdrop-filter: blur(5px);
  max-width: 90%;
  margin: 0 auto;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Mejoras para los íconos en el footer */
footer svg {
  filter: drop-shadow(0px 2px 3px rgba(0, 0, 0, 0.2));
}

footer a:hover svg {
  filter: drop-shadow(0px 3px 5px rgba(0, 0, 0, 0.3));
}

/* Ajuste del interruptor de tema */
.theme-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: auto;
  margin-right: 1rem;
}

.theme-slider {
  position: relative;
  width: 50px;
  height: 26px;
  background: rgba(0, 0, 0, 0.3);
  display: inline-block;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.3s;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.theme-slider:before {
  position: absolute;
  content: "";
  height: 20px;
  width: 20px;
  left: 3px;
  bottom: 2px;
  background: white;
  border-radius: 50%;
  transition: 0.3s;
  box-shadow: 0 0 5px rgba(0, 0, 0, 0.2);
}

input:checked + .theme-slider {
  background: var(--accent);
}

input:checked + .theme-slider:before {
  transform: translateX(24px);
}

/* Hacer que el interruptor responda correctamente */
#themeToggle {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.switch {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 26px;
  margin: 0;
}

  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  }
  
  body {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--bg-gradient-start), var(--bg-gradient-end));
    background-size: 400% 400%;
    animation: gradientBackground 15s ease infinite;
    display: flex;
    flex-direction: column;
    color: var(--text-primary);
    overflow-x: hidden;
    transition: background 0.5s ease;
  }
  
  /* Mejora de las tarjetas y paneles para adaptarse a temas */
  .stat-card, .glass-morphism {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    transition: background 0.3s, color 0.3s;
  }
  
  @keyframes gradientBackground {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
  }
  
  header {
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
  }
  
  .theme-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: auto;
    margin-right: 1rem;
  }
  
  .theme-slider {
    position: relative;
    width: 50px;
    height: 26px;
    background: rgba(0, 0, 0, 0.3);
    display: inline-block;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s;
  }
  
  .theme-slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background: white;
    border-radius: 50%;
    transition: 0.3s;
  }
  
  input:checked + .theme-slider {
    background: var(--accent);
  }
  
  input:checked + .theme-slider:before {
    transform: translateX(24px);
  }
  
  .switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 26px;
  }
  
  .switch input {
    opacity: 0;
    width: 0;
    height: 0;
  }
  
  header h1 {
    font-weight: 700;
    font-size: 1.8rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }
  
  main {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
  }
  
  .breathing-circle {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    box-shadow: 0 0 50px rgba(0, 0, 0, 0.2),
                inset 0 0 30px rgba(255, 255, 255, 0.15);
    animation: pulse 8s infinite;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
    border: 2px solid rgba(255, 255, 255, 0.1);
  }
  
  .breathing-circle:hover {
    transform: scale(1.02);
    box-shadow: 0 0 70px rgba(var(--accent), 0.4),
                inset 0 0 40px rgba(255, 255, 255, 0.2);
  }
  
  .breathing-circle::before {
    content: '';
    position: absolute;
    width: 110%;
    height: 110%;
    border-radius: 50%;
    background: conic-gradient(from 0deg, transparent 0%, var(--accent) 50%, transparent 100%);
    animation: rotateConic 8s linear infinite;
    opacity: 0.3;
    z-index: -1;
  }
  
  @keyframes rotateConic {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
  }
  
  .inner-circle {
    width: 70%;
    height: 70%;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    font-weight: 600;
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
    transition: opacity 0.5s;
  }
  
  .breathing-text {
    font-size: 2rem;
    font-weight: 200;
    margin-top: 2rem;
    text-align: center;
    opacity: 0.9;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  }
  
  .stats-container {
    margin-top: 3rem;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    width: 100%;
    max-width: 800px;
  }
  
  .stat-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 1.5rem;
    border-radius: 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
  }
  
  .stat-card:hover {
    transform: translateY(-5px);
  }
  
  .stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    margin: 0.5rem 0;
  }
  
  .stat-label {
    font-size: 0.9rem;
    opacity: 0.7;
    text-align: center;
  }
  
  .menu-button {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    padding: 0.8rem;
    border-radius: 50%;
    cursor: pointer;
    transition: background 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .menu-button:hover {
    background: rgba(255, 255, 255, 0.3);
  }
  
  .timer {
    font-size: 1.2rem;
    margin-top: 1rem;
    opacity: 0.8;
  }
  
  .controls {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
  }
  
  .control-button {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 2rem;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
  }
  
  .control-button:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
  }
  
  .insights-panel, .settings-panel, .music-panel {
    position: fixed;
    top: 0;
    right: -450px;
    width: 450px;
    height: 100vh;
    background: var(--dark);
    transition: right 0.5s;
    padding: 2rem;
    overflow-y: auto;
    z-index: 1000;
    box-shadow: -5px 0 25px rgba(0, 0, 0, 0.2);
  }
  
  .insights-panel.open, .settings-panel.open, .music-panel.open {
    right: 0;
  }
  
  .close-panel {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: transparent;
    border: none;
    color: var(--light);
    cursor: pointer;
    font-size: 1.5rem;
  }
  
  .insights-title, .settings-title, .music-title {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }
  
  .insight-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 1.5rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
  }
  
  .insight-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
  }
  
  .insight-date {
    opacity: 0.6;
    font-size: 0.8rem;
  }
  
  .progress-container {
    margin-top: 2rem;
  }
  
  .progress-bar {
    height: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    overflow: hidden;
    margin-bottom: 0.5rem;
  }
  
  .progress-fill {
    height: 100%;
    background: var(--success);
    border-radius: 1rem;
    width: 35%;
    transition: width 1s;
  }
  
  .progress-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    opacity: 0.7;
  }
  
  .notification {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 1rem 2rem;
    border-radius: 2rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    opacity: 0;
    transition: all 0.5s;
    z-index: 1001;
  }
  
  .notification.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
  }
  
  .rotating {
    animation: rotate 60s linear infinite;
  }
  
  .particles-container {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
    top: 0;
    left: 0;
    z-index: -1;
  }
  
  .particle {
    position: absolute;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    pointer-events: none;
  }
  
  @keyframes pulse {
    0% {
      box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.4);
      transform: scale(1);
    }
    50% {
      box-shadow: 0 0 0 30px rgba(255, 255, 255, 0);
      transform: scale(1.05);
    }
    100% {
      box-shadow: 0 0 0 0 rgba(255, 255, 255, 0);
      transform: scale(1);
    }
  }
  
  @keyframes rotate {
    from {
      transform: rotate(0deg);
    }
    to {
      transform: rotate(360deg);
    }
  }
  
  /* Estilos del panel de configuración */
  .settings-section {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }
  
  .settings-section h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--light);
    opacity: 0.9;
  }
  
  .settings-option {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
  }
  
  .settings-button {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.08);
    border: none;
    color: var(--light);
    padding: 0.8rem 1rem;
    border-radius: 0.5rem;
    margin-top: 0.5rem;
    width: 100%;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 500;
    text-align: left;
  }
  
  .settings-button:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
  }
  
  .settings-button.danger {
    color: var(--danger);
    border: 1px solid rgba(214, 48, 49, 0.3);
  }
  
  .settings-button.danger:hover {
    background: rgba(214, 48, 49, 0.15);
  }
  
  .user-profile {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
  }
  
  .avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: white;
  }
  
  .user-info {
    flex: 1;
  }
  
  .user-name {
    font-weight: 600;
  }
  
  .user-email {
    font-size: 0.9rem;
    opacity: 0.7;
  }
  
  .version-info {
    font-size: 0.9rem;
    opacity: 0.7;
    margin-bottom: 1.5rem;
  }
  
  .about-links {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
  }
  
  .about-link {
    color: var(--light);
    opacity: 0.8;
    text-decoration: none;
    transition: all 0.3s;
  }
  
  .about-link:hover {
    opacity: 1;
    color: var(--primary);
    transform: translateX(5px);
  }
  
  /* Estilos del panel de música */
  .current-track {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    border-radius: 0.5rem;
    background: rgba(255, 255, 255, 0.05);
  }
  
  .album-art {
    width: 60px;
    height: 60px;
    border-radius: 0.5rem;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .track-info {
    flex: 1;
  }
  
  .track-name {
    font-weight: 600;
    font-size: 1.1rem;
  }
  
  .track-artist {
    font-size: 0.9rem;
    opacity: 0.7;
  }
  
  .player-controls {
    display: flex;
    align-items: center;
    gap: 0.8rem;
  }
  
  .player-button {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: white;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s;
  }
  
  .player-button:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
  }
  
  .player-button.play {
    background: var(--primary);
    width: 48px;
    height: 48px;
  }
  
  .player-button.play:hover {
    background: var(--accent);
  }
  
  .track-progress {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 1.5rem;
  }
  
  .progress-track {
    flex: 1;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    overflow: hidden;
    position: relative;
  }
  
  .progress-bar-music {
    height: 100%;
    background: var(--primary);
    border-radius: 2px;
  }
  
  .current-time, .total-time {
    font-size: 0.8rem;
    opacity: 0.8;
  }
  
  .volume-control {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
  }
  
  .volume-slider {
    flex: 1;
    height: 4px;
    appearance: none;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    outline: none;
  }
  
  .volume-slider::-webkit-slider-thumb {
    appearance: none;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    transition: all 0.3s;
  }
  
  .volume-slider::-webkit-slider-thumb:hover {
    background: var(--accent);
    transform: scale(1.2);
  }
  
  .sound-library h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
  }
  
  .sound-categories {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
  }
  
  .category-button {
    background: rgba(255, 255, 255, 0.08);
    border: none;
    color: var(--light);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 0.9rem;
  }
  
  .category-button:hover, .category-button.active {
    background: var(--primary);
  }
  
  .sound-list {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
  }
  
  .sound-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.8rem;
    border-radius: 0.5rem;
    background: rgba(255, 255, 255, 0.05);
    cursor: pointer;
    transition: all 0.3s;
  }
  
  .sound-item:hover, .sound-item.active {
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(5px);
  }
  
  .sound-item.active {
    border-left: 3px solid var(--primary);
  }
  
  .sound-duration {
    margin-left: auto;
    font-size: 0.8rem;
    opacity: 0.7;
  }
  
  /* Estilos de glass-morphism */
  .glass-morphism {
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
  }
  
  /* Estilos de insights mejorados */
  .insights-tabs {
    display: flex;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 0.5rem;
    margin-bottom: 1.5rem;
    padding: 0.3rem;
  }
  
  .tab-button {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--light);
    padding: 0.8rem;
    border-radius: 0.3rem;
    cursor: pointer;
    transition: all 0.3s;
  }
  
  .tab-button.active {
    background: rgba(255, 255, 255, 0.1);
  }
  
  .tab-content {
    display: block;
  }
  
  .tab-content.hidden {
    display: none;
  }
  
  .stats-summary {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
  }
  
  .summary-item {
    flex: 1;
    background: rgba(255, 255, 255, 0.05);
    padding: 1rem;
    border-radius: 0.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  
  .summary-value {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.3rem;
  }
  
  .summary-label {
    font-size: 0.8rem;
    opacity: 0.7;
  }
  
  .chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.8rem;
    flex-wrap: wrap;
    gap: 0.5rem;
  }
  
  .chart-legend {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 0.8rem;
    opacity: 0.8;
  }
  
  .legend-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
  }
  
  .insight-chart {
    background: rgba(0, 0, 0, 0.2);
    padding: 1.5rem;
    border-radius: 0.5rem;
    margin-bottom: 1.5rem;
  }
  
  .chart-container {
    height: 150px;
    margin-top: 1rem;
  }
  
  .insight-card.highlight-card {
    border-left: 3px solid var(--accent);
    background: rgba(253, 121, 168, 0.1);
  }
  
  .card-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
  }
  
  .badge {
    padding: 0.2rem 0.6rem;
    border-radius: 1rem;
    font-size: 0.8rem;
    background: rgba(255, 255, 255, 0.1);
  }
  
  .badge.success {
    background: rgba(0, 184, 148, 0.2);
    color: var(--success);
  }
  
  .apply-button {
    background: var(--primary);
    border: none;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 0.3rem;
    margin-top: 1rem;
    cursor: pointer;
    transition: all 0.3s;
  }
  
  .apply-button:hover {
    background: var(--accent);
    transform: translateY(-2px);
  }
  
  .pattern-visualization {
    display: flex;
    align-items: flex-end;
    gap: 1rem;
    height: 80px;
    margin-top: 1rem;
  }
  
  .pattern-bar {
    flex: 1;
    border-radius: 0.3rem 0.3rem 0 0;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 0.5rem;
    color: white;
    font-weight: 600;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    transition: all 0.3s;
  }
  
  .pattern-bar:hover {
    transform: translateY(-5px);
  }
  
  .monthly-calendar {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 0.5rem;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
  }
  
  .calendar-header {
    text-align: center;
    font-weight: 600;
    margin-bottom: 1rem;
    font-size: 1.1rem;
  }
  
  .calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.5rem;
  }
  
  .calendar-day {
    text-align: center;
    font-size: 0.8rem;
    opacity: 0.7;
    padding: 0.5rem 0;
  }
  
  .calendar-date {
    text-align: center;
    padding: 0.5rem 0;
    border-radius: 0.3rem;
    transition: all 0.3s;
  }
  
  .calendar-date.empty {
    visibility: hidden;
  }
  
  .calendar-date.streak {
    background: rgba(108, 92, 231, 0.2);
    color: var(--primary);
    position: relative;
  }
  
  .calendar-date.streak::after {
    content: "";
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary);
    border-radius: 50%;
    bottom: 3px;
    left: 50%;
    transform: translateX(-50%);
  }
  
  .calendar-date.current {
    background: var(--primary);
    color: white;
    font-weight: 600;
  }
  
  .calendar-date.future {
    opacity: 0.5;
  }
  
  .achievement {
    display: flex;
    gap: 1rem;
    align-items: center;
  }
  
  .achievement-icon {
    font-size: 2rem;
  }
  
  .achievement-details {
    flex: 1;
  }
  
  .achievement-details h4 {
    margin-bottom: 0.5rem;
  }
  
  .achievement-progress {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 0.8rem;
  }
  
  /* Estilos para las nuevas funcionalidades del panel de música */
.sound-mix-panel {
  margin-top: 2.5rem;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 0.5rem;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.sound-layer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  gap: 1rem;
}

.sound-layer p {
  min-width: 60px;
}

.sound-layer span {
  min-width: 40px;
  text-align: right;
  font-size: 0.8rem;
  opacity: 0.8;
}

.layer-slider {
  flex: 1;
  height: 4px;
  appearance: none;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  outline: none;
}

.layer-slider::-webkit-slider-thumb {
  appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  transition: all 0.3s;
}

.layer-slider::-webkit-slider-thumb:hover {
  background: var(--accent);
  transform: scale(1.2);
}

.save-mix-button {
  background: var(--primary);
  border: none;
  color: white;
  padding: 0.8rem 1.5rem;
  border-radius: 0.3rem;
  margin-top: 1rem;
  cursor: pointer;
  transition: all 0.3s;
  font-weight: 500;
  width: 100%;
}

.save-mix-button:hover {
  background: var(--accent);
  transform: translateY(-2px);
}

.saved-mixes {
  margin-top: 2.5rem;
}

.saved-mix-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 0.5rem;
  margin-bottom: 1rem;
  transition: all 0.3s;
}

.saved-mix-item:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateX(5px);
}

.mix-icon {
  font-size: 1.5rem;
  min-width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 0.5rem;
}

.mix-info {
  flex: 1;
}

.mix-name {
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.mix-description {
  font-size: 0.8rem;
  opacity: 0.7;
}

.load-mix-button {
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 0.3rem;
  cursor: pointer;
  transition: all 0.3s;
  font-size: 0.9rem;
}

.load-mix-button:hover {
  background: var(--primary);
}

.timer-section {
  margin-top: 2.5rem;
}

.timer-options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.timer-option {
  flex: 1;
  min-width: 60px;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: white;
  padding: 0.5rem;
  border-radius: 0.3rem;
  cursor: pointer;
  transition: all 0.3s;
  font-size: 0.9rem;
}

.timer-option:hover, .timer-option.active {
  background: var(--primary);
}

.timer-status {
  font-size: 0.9rem;
  text-align: center;
  margin-top: 1rem;
  opacity: 0.8;
}

#soundTimer {
  font-weight: 600;
  color: var(--secondary);
}

/* Correcciones para paneles */
.insights-panel, 
.settings-panel, 
.music-panel {
  position: fixed;
  top: 0;
  right: -450px;
  width: 450px;
  height: 100vh;
  background: rgba(0, 0, 0, 0.8) !important;
  backdrop-filter: blur(10px) !important;
  border-left: 1px solid rgba(255, 255, 255, 0.1);
  transition: right 0.5s;
  padding: 2rem;
  overflow-y: auto;
  z-index: 1000;
  box-shadow: -5px 0 25px rgba(0, 0, 0, 0.2);
  color: var(--light, #f7fafc);
}

.insights-panel.open, 
.settings-panel.open, 
.music-panel.open {
  right: 0;
  z-index: 1000;
}

/* Mejora visibilidad de botón cerrar */
.close-panel {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: white;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.5rem;
  transition: all 0.3s;
  z-index: 1001;
}

.close-panel:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.1);
}

/* Corrección para el botón de configuración y otros botones de iconos */
button[aria-label], 
[data-tooltip],
.menu-button {
  background: rgba(255, 255, 255, 0.2);
  border: none;
  color: white;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

button[aria-label]:hover, 
[data-tooltip]:hover,
.menu-button:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: scale(1.1);
}

/* Mejoras para los botones de control principales */
.control-button {
  background: rgba(255, 255, 255, 0.2) !important;
  border: none !important;
  color: white !important;
  padding: 0.8rem 1.5rem !important;
  border-radius: 2rem !important;
  cursor: pointer !important;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.control-button:hover {
  background: rgba(255, 255, 255, 0.3) !important;
  transform: translateY(-2px);
  box-shadow: 0 6px 10px rgba(0, 0, 0, 0.15);
}

/* Arreglo para notificaciones */
.notification {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: rgba(0, 0, 0, 0.8);
  color: white;
  padding: 1rem 2rem;
  border-radius: 2rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  opacity: 0;
  transition: all 0.5s;
  z-index: 1001 !important;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.notification.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

  /* Estilos del footer */
  footer {
    margin-top: 3rem;
    padding-bottom: 1.5rem;
    text-align: center;
  }
  
  .flex {
    display: flex;
  }
  
  .flex-col {
    flex-direction: column;
  }
  
  .items-center {
    align-items: center;
  }
  
  .gap-4 {
    gap: 1rem;
  }
  
  .gap-6 {
    gap: 1.5rem;
  }
  
  .gap-1 {
    gap: 0.25rem;
  }
  
  .mt-8 {
    margin-top: 2rem;
  }
  
  .mt-2 {
    margin-top: 0.5rem;
  }
  
  .pb-6 {
    padding-bottom: 1.5rem;
  }
  
  .text-center {
    text-align: center;
  }
  
  .text-2xl {
    font-size: 1.5rem;
  }
  
  .font-bold {
    font-weight: 700;
  }
  
  .bg-gradient-to-r {
    background-image: linear-gradient(to right, var(--args));
  }
  
  .from-\[\#6c5ce7\] {
    --args: #6c5ce7, var(--via, var(--to, #6c5ce7));
  }
  
  .via-\[\#00cec9\] {
    --via: #00cec9;
  }
  
  .to-\[\#fd79a8\] {
    --to: #fd79a8;
  }
  
  .bg-clip-text {
    -webkit-background-clip: text;
    background-clip: text;
  }
  
  .text-transparent {
    color: transparent;
  }
  
  .animate-pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
  }
  
  .animate-bounce {
    animation: bounce 1s infinite;
  }
  
  .animation-delay-100 {
    animation-delay: 0.1s;
  }
  
  .animation-delay-200 {
    animation-delay: 0.2s;
  }
  
  .hover\:animate-none:hover {
    animation: none;
  }
  
  .hover\:scale-105:hover {
    transform: scale(1.05);
  }
  
  .hover\:scale-125:hover {
    transform: scale(1.25);
  }
  
  .hover\:rotate-12:hover {
    transform: rotate(12deg);
  }
  
  .hover\:-rotate-12:hover {
    transform: rotate(-12deg);
  }
  
  .transform {
    transform: var(--transform-value, none);
  }
  
  .transition-all {
    transition-property: all;
  }
  
  .transition-colors {
    transition-property: color, background-color, border-color, fill, stroke;
  }
  
  .duration-300 {
    transition-duration: 300ms;
  }
  
  .text-gray-400 {
    color: #9ca3af;
  }
  
  .text-gray-600 {
    color: #4b5563;
  }
  
  .hover\:text-\[\#6c5ce7\]:hover {
    color: #6c5ce7;
  }
  
  .text-sm {
    font-size: 0.875rem;
  }
  
  .text-xs {
    font-size: 0.75rem;
  }
  
  .opacity-75 {
    opacity: 0.75;
  }
  
  .font-medium {
    font-weight: 500;
  }
  
  .h-6 {
    height: 1.5rem;
  }
  
  .w-6 {
    width: 1.5rem;
  }
  
  @keyframes bounce {
    0%, 100% {
      transform: translateY(-25%);
      animation-timing-function: cubic-bezier(0.8,0,1,1);
    }
    50% {
      transform: none;
      animation-timing-function: cubic-bezier(0,0,0.2,1);
    }
  }
  
  /* Responsive para dispositivos más pequeños */
  @media (max-width: 768px) {
    .insights-panel, 
    .settings-panel, 
    .music-panel {
      width: 100%;
      right: -100%;
    }
    
    .stats-container, .stats-summary {
      grid-template-columns: 1fr;
    }
    
    .insights-panel, .settings-panel, .music-panel {
      width: 100%;
      right: -100%;
    }
    
    .controls {
      flex-wrap: wrap;
    }
    
    .control-button {
      flex: 1;
      min-width: 120px;
    }
  }