/* multitrack-dark.css - Versión completa dark mode con estilos para scrollbar y visualizer */
:root {
    /* Colores principales */
    --color-primary: #3b82f6;
    --color-primary-light: #60a5fa;
    --color-primary-dark: #2563eb;
    --color-secondary: #10b981;
    --color-error: #ef4444;
    
    /* Escala de grises oscuros */
    --color-text-primary: #f3f4f6;
    --color-text-secondary: #9ca3af;
    --color-surface: #333333;
    --color-surface-dark: #252525;
    --color-background: #202020;
    --color-card-bg: #2c2c2c;
    --color-card-hover: #525252;
    --color-border: #505050;
    
    /* Bordes y sombras */
    --radius-md: 8px;
    --radius-lg: 12px;
    --shadow-card: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-button: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-button-hover: 0 4px 8px rgba(0, 0, 0, 0.4);
}

/* Estructura base */
body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    margin: 0;
    padding: 0;
    background-color: var(--color-background);
    color: var(--color-text-primary);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    position: relative;
}

.multitrack-container {
    display: flex;
    flex-grow: 1;
    margin-top: 1rem;
    padding: 1rem;
    gap: 1.5rem;
    box-sizing: border-box;
}

/* Sidebar de canciones */
#multitrack-list-container {
    width: 280px;
    min-width: 250px;
    background-color: var(--color-surface-dark);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    overflow-y: scroll;
    height: calc(100vh - 80px);
    position: fixed;
    left: 1rem;
    top: calc(1rem + 50px);
    border: 1px solid var(--color-border);
    scrollbar-width: thin;
    scrollbar-color: var(--color-primary) var(--color-surface);
}

#multitrack-list-container::-webkit-scrollbar {
    width: 8px;
}

#multitrack-list-container::-webkit-scrollbar-track {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    margin: 0.5rem;
}

#multitrack-list-container::-webkit-scrollbar-thumb {
    background: var(--color-primary);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-surface-dark);
    transition: background 0.2s ease;
}

#multitrack-list-container::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary-light);
}

#multitrack-list-container h2 {
    font-size: 1.6rem;
    color: var(--color-primary-light);
    margin-bottom: 1.5rem;
    text-align: center;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--color-border);
    font-weight: 400;
    font-family: 'AtomicMarker', sans-serif;
}

#song-search {
    width: 100%;
    padding: 0.5rem 1rem;
    margin-bottom: 1rem;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.2s ease;
    padding-left: 2.5rem;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%239ca3af" viewBox="0 0 16 16"><path d="M11.742 10.344a6.5 6.5 0 1 0-1.397 1.398h-.001c.03.04.062.078.098.115l3.85 3.85a1 1 0 0 0 1.415-1.414l-3.85-3.85a1.007 1.007 0 0 0-.115-.1zM12 6.5a5.5 5.5 0 1 1-11 0 5.5 5.5 0 0 1 11 0z"/></svg>');
    background-repeat: no-repeat;
    background-position: 0.75rem center;
    background-size: 16px;
}

#song-search::placeholder {
    color: var(--color-text-secondary);
}

#song-search:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 5px rgba(59, 130, 246, 0.3);
    background-image: none;
    padding-left: 1rem;
}

#multitrack-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

#multitrack-list li {
    padding: 0.8rem 1rem;
    margin-bottom: 0.5rem;
    background-color: var(--color-surface);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background-color 0.2s ease;
    font-size: 0.95rem;
    text-align: left;
    border-left: 3px solid transparent;
}

#multitrack-list li:hover {
    background-color: var(--color-card-hover);
}

#multitrack-list li.active {
    background: linear-gradient(90deg, var(--color-primary-dark), var(--color-primary));
    color: white;
    font-weight: bold;
    box-shadow: var(--shadow-button);
    border-left-color: var(--color-primary-light);
}

/* Contenedor principal del reproductor */
#multitrack-player-container {
    flex-grow: 1;
    background-color: var(--color-surface-dark);
    padding: 2rem;
    border-radius: var(--radius-lg);
    margin-left: 310px;
    width: calc(100% - 310px - 2rem);
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--color-border);
    position: relative;
}

#multitrack-player-title {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    text-align: center;
    font-weight: 400;
    font-family: 'AtomicMarker', sans-serif;
    background: linear-gradient(#ffffff, #00a2ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

/* Lista de pistas de audio */
#multitrack-player {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    overflow-y: auto;
    max-height: calc(100vh - 320px);
    width: 100%;
    padding: 0;
    background: none;
    border-radius: 0;
    border: none;
    box-shadow: none;
}

.track-control {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.7rem 0.5rem;
    background: none;
    border-radius: 0;
    box-shadow: none;
    border: none;
    border-bottom: 1px solid var(--color-border);
    transition: background-color 0.2s ease;
    width: 100%;
    max-width: 600px; /* Aumentado desde 520px para más espacio */
}

.track-control:last-child {
    border-bottom: none;
}

.track-control:hover {
    background-color: var(--color-card-hover);
}

.track-label-wrapper {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex: 0 0 220px; /* Aumentado desde 180px para más espacio al nombre */
    min-width: 160px; /* Aumentado desde 120px */
    max-width: 260px; /* Aumentado desde 220px */
}

.track-control label {
    font-size: 1.0rem;
    color: var(--color-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-weight: 500;
    flex: 1; /* Ocupa el espacio disponible dentro de track-label-wrapper */
    padding-left: 1.5rem; /* Espacio entre el icono y el texto */
}

.track-icon {
    width: 40px;
    height: 40px;
    
    flex-shrink: 0; /* Evita que el icono se redimensione */
    object-fit: contain; /* Mantiene proporciones del icono */
}

.track-control input[type="range"] {
    flex: 1 1 140px; /* Aumentado desde 120px para mejor proporción */
    min-width: 120px;
    max-width: 220px; /* Aumentado desde 200px */
    height: 10px;
    -webkit-appearance: none;
    appearance: none;
    background: linear-gradient(to right, var(--color-primary) 0%, var(--color-primary) var(--progress, 50%), #4b5563 var(--progress, 50%), #4b5563 100%);
    border-radius: 3px;
    margin: 0;
    outline: none;
    position: relative;
}

.track-control input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--color-primary-light);
    cursor: pointer;
    margin-top: -3px;
    box-shadow: 0 0 5px rgba(59, 130, 246, 0.5);
    border: 2px solid var(--color-surface);
}

.track-control input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--color-primary-light);
    cursor: pointer;
    box-shadow: 0 0 5px rgba(59, 130, 246, 0.5);
    border: 2px solid var(--color-surface);
}

.track-control input[type="range"]::-ms-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--color-primary-light);
    cursor: pointer;
    box-shadow: 0 0 5px rgba(59, 130, 246, 0.5);
    border: 2px solid var(--color-surface);
}

.track-control input[type="range"]::-ms-fill-lower {
    background: var(--color-primary);
    border-radius: 3px;
}

.track-control input[type="range"]::-ms-fill-upper {
    background: #4b5563;
    border-radius: 3px;
}

.track-control input[type="range"]:focus {
    outline: none;
}

.track-control input[type="range"]::-webkit-slider-runnable-track {
    height: 10px;
    border-radius: 3px;
}

.track-control input[type="range"]::-moz-range-track {
    height: 10px;
    border-radius: 3px;
}

.track-control input[type="range"]::-ms-fill-lower,
.track-control input[type="range"]::-ms-fill-upper {
    height: 10px;
}

.track-control .mute-btn, .track-control .solo-btn {
    flex: 0 0 70px;
    min-width: 60px;
    max-width: 90px;
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
    border: none;
    background-color: var(--color-surface);
    color: var(--color-text-primary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 500;
    border: 1px solid var(--color-border);
}

.track-control .mute-btn:hover, .track-control .solo-btn:hover {
    background-color: var(--color-card-hover);
}

.track-control .mute-btn.active {
    background-color: var(--color-error);
    border-color: var(--color-error);
    color: white;
}

.track-control .solo-btn.active {
    background-color: var(--color-secondary);
    border-color: var(--color-secondary);
    color: white;
}

/* Responsividad */
@media (max-width: 992px) {
    .track-control {
        flex-wrap: wrap;
        max-width: 100%; /* Permite ocupar todo el ancho disponible */
    }

    .track-label-wrapper {
        flex: 0 0 100%; /* Ocupa toda la fila en tabletas */
        max-width: none;
    }

    .track-control input[type="range"] {
        flex: 1;
        min-width: 100px;
        max-width: none;
    }
}

@media (max-width: 576px) {
    .track-control {
        padding: 0.6rem;
        gap: 0.5rem;
        max-width: 100%;
    }

    .track-label-wrapper {
        flex: 0 0 100%;
        min-width: 0;
        max-width: none;
    }

    .track-control label {
        font-size: 0.85rem;
    }

    .track-icon {
        width: 36px; /* Reducido para móviles */
        height: 36px;
    }

    .track-control .mute-btn, .track-control .solo-btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.7rem;
    }

    .track-control input[type="range"] {
        min-width: 80px;
        max-width: none;
    }
}

/* Controles principales */
#multitrack-controls {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background-color: var(--color-surface-dark);
    border-radius: var(--radius-lg);
    margin-top: auto;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--color-border);
    width: 100%;
    box-sizing: border-box;
    position: relative; /* Required for absolute positioning of visualizer */
    overflow: hidden; /* Ensure canvas doesn't overflow */
    
}

/* Solo el fragmento relevante para #visualizer-container */
#visualizer-container {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 110%;
    height: 120%; /* Aumenta ligeramente para dar más espacio al lienzo */
    opacity: 0.3; /* Mantener efecto de fondo */
    z-index: 0; /* Detrás de los controles, pero visible */
    transform: translateY(39%); /* Desplaza hacia abajo para bajar el centro */
}

#visualizer-container canvas {
    width: 100%;
    height: 100%;
    display: block;
}

@media (max-width: 576px) {
    #visualizer-container {
        height: 100px; /* Altura fija en móviles para mejor proporción */
        transform: translateY(10%); /* Menos desplazamiento en móviles */
    }
}

#multitrack-controls .progress-container {
    display: flex;
    align-items: center;
    gap: 1rem;
    width: 100%;
    max-width: 800px;
    position: relative;
    z-index: 5; /* Above visualizer */
}

#multitrack-controls .control-btn {
    padding: 0.8rem 2rem;
    font-size: 1rem;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    box-shadow: var(--shadow-button);
    z-index: 5; /* Above visualizer */
}

#multitrack-controls .control-btn:hover {
    box-shadow: var(--shadow-button-hover);
}

#multitrack-controls .control-btn:disabled {
    background: #4b5563;
    cursor: not-allowed;
    box-shadow: none;
}

#multitrack-controls .volume-control {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    margin-left: 1rem;
    z-index: 2; /* Above visualizer */
}

#multitrack-controls .volume-control label {
    font-size: 0.9rem;
    color: var(--color-text-primary);
    font-weight: 500;
    z-index: 5; /* Above visualizer */
}

#multitrack-controls .volume-control button {
    background: none;
    border: none;
    padding: 0;
    margin: 0;
    display: flex;
    align-items: center;
    cursor: pointer;
}

#multitrack-controls .volume-control svg {
    width: 22px;
    height: 22px;
    color: var(--color-primary-light);
    z-index: 5; /* Above visualizer */
}

#multitrack-controls input[type="range"] {
    width: 90px;
    z-index: 2; /* Above visualizer */
}

#multitrack-controls #current-time, #multitrack-controls #total-duration {
    font-size: 0.9rem;
    color: var(--color-text-primary);
    min-width: 50px;
    text-align: center;
    font-family: 'Roboto Mono', monospace;
    z-index: 2; /* Above visualizer */
}

#progress-bar {
    flex-grow: 1;
    height: 15px;
    -webkit-appearance: none;
    appearance: none;
    background: linear-gradient(to right, #007fd1 0%, #c600ff var(--progress, 0%), #303030 var(--progress, 0%), #313131 100%);
    border-radius: 7px;
    cursor: pointer;
    outline: none;
    position: relative;
    --progress: 0%;
    z-index: 2; /* Above visualizer */
}

#progress-bar::-webkit-slider-runnable-track {
    height: 15px;
    border-radius: 7px;
    background: transparent;
}

#progress-bar::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--color-primary-light);
    cursor: pointer;
    margin-top: -2px;
    position: relative;
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.7);
    border: 2px solid var(--color-surface-dark);
    z-index: 2;
}

#progress-bar::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--color-primary-light);
    cursor: pointer;
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.7);
    border: 2px solid var(--color-surface-dark);
    z-index: 2;
}

#progress-bar::-ms-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--color-primary-light);
    cursor: pointer;
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.7);
    border: 2px solid var(--color-surface-dark);
    z-index: 2;
}

#progress-bar::-ms-fill-lower {
    background: transparent;
    border-radius: 7px;
}

#progress-bar::-ms-fill-upper {
    background: transparent;
    border-radius: 7px;
}

#progress-bar:focus {
    outline: none;
}

#progress-bar::-webkit-slider-runnable-track {
    background: transparent;
}

#progress-bar::-moz-range-track {
    height: 15px;
    border-radius: 7px;
    background: transparent;
}

#progress-bar::-ms-fill-lower,
#progress-bar::-ms-fill-upper {
    height: 15px;
}

/* Tooltip para main-volume */
#main-volume-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    z-index: 2; /* Above visualizer */
}

#main-volume-tooltip {
    position: absolute;
    top: -32px;
    left: 0;
    min-width: 36px;
    text-align: center;
    font-size: 0.95rem;
    color: #fff;
    background: rgba(30,30,30,0.92);
    padding: 2px 8px;
    border-radius: 6px;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s, left 0.2s;
    z-index: 2;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(0,0,0,0.25);
}

/* Loader */
#multitrack-player-loader {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: absolute;
    top: 40%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: rgba(31, 41, 55, 0.95);
    color: var(--color-text-primary);
    padding: 2rem 3rem;
    border-radius: var(--radius-lg);
    z-index: 100;
    min-width: 200px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--color-primary);
}

#multitrack-player-loader .loader-spinner {
    border: 4px solid rgba(59, 130, 246, 0.1);
    border-top: 4px solid var(--color-primary-light);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin-bottom: 1.5rem;
    margin-left: auto;
    margin-right: auto;
    display: block;
}

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

/* Responsividad */
@media (max-width: 992px) {
    .multitrack-container {
        flex-direction: column;
    }

    #multitrack-list-container {
        width: 100%;
        height: auto;
        max-height: 30vh;
        position: static;
        margin-bottom: 1.5rem;
        overflow-y: scroll;
    }

    #multitrack-list-container::-webkit-scrollbar {
        width: 6px;
    }

    #multitrack-player-container {
        margin-left: 0;
        width: 100%;
        padding: 1.5rem;
    }

    #multitrack-player {
        max-height: 50vh;
    }

    .track-control {
        flex-wrap: wrap;
    }

    .track-control label {
        flex: 0 0 100%;
    }

    .track-control input[type="range"] {
        flex: 1;
        min-width: 100px;
    }
}

@media (max-width: 576px) {
    #multitrack-player-title {
        font-size: 1.8rem;
    }

    .track-control {
        padding: 0.6rem;
        gap: 0.5rem;
    }

    .track-control .mute-btn, .track-control .solo-btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.7rem;
    }

    #multitrack-controls {
        padding: 0.7rem 0.5rem 0.7rem 0.5rem;
        gap: 0.7rem;
    }
    #multitrack-controls .progress-container {
        flex-direction: column;
        align-items: stretch;
        gap: 0.5rem;
        max-width: 100%;
        width: 100%;
        padding: 0;
        position: relative;
    }
    #progress-bar {
        height: 18px;
        min-width: 100%;
        max-width: 100%;
    }
    .progress-times-row {
        display: flex;
        flex-direction: row;
        justify-content: space-between;
        width: 100%;
        margin-top: 0.1rem;
    }
    #current-time {
        text-align: left;
        min-width: 40px;
        font-size: 0.85rem;
    }
    #total-duration {
        text-align: right;
        min-width: 40px;
        font-size: 0.85rem;
    }

    .playback-buttons-row {
        gap: 1.2rem;
        margin-top: 0.7rem;
    }
    .playpause-btn {
        width: 44px;
        height: 44px;
    }
    .icon-btn {
        width: 32px;
        height: 32px;
    }
    .progress-container .volume-control svg {
        width: 18px;
        height: 18px;
    }
    .progress-container .volume-control input[type="range"] {
        width: 60px;
    }

    .multitrack-container {
        padding: 0.4rem 0.2rem;
        gap: 0.7rem;
    }
    #multitrack-player-container {
        padding: 0.7rem 0.3rem;
    }

    #multitrack-controls .volume-control input[type="range"],
    #main-volume {
        width: 200px !important;
        min-width: 200px !important;
        max-width: 400px !important;
    }

    .progress-container #current-time,
    .progress-container #total-duration {
        display: none !important;
    }
    .progress-times-row-mobile {
        display: flex;
        flex-direction: row;
        justify-content: space-between;
        width: 100%;
        margin-top: 0.1rem;
        font-size: 0.85rem;
        color: var(--color-text-primary);
        font-family: 'Roboto Mono', monospace;
    }

    .progress-container .volume-control,
    .volume-control {
        display: none !important;
    }
    .volume-control-mobile {
        display: flex !important;
        flex-direction: row;
        align-items: center;
        justify-content: center;
        gap: 0.5rem;
        margin: 0.7rem 0 0.2rem 0;
        width: 100%;
    }
    .volume-control-mobile input[type="range"] {
        width: 90px !important;
        min-width: 60px !important;
        max-width: 120px !important;
    }

    #song-search {
        padding: 0.4rem 0.8rem;
        font-size: 0.85rem;
    }

    #visualizer-container {
        height: 80px; /* Reduced height for mobile */
    }
}

@media (min-width: 577px) {
    .progress-times-row-mobile {
        display: none !important;
    }

    .volume-control-mobile {
        display: none !important;
    }
}

.playback-buttons-volume {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    width: 100%;
    margin-top: 1rem;
}
.playback-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}
.volume-control {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.slider-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    width: 100%;
}
.slider-tooltip {
    position: absolute;
    top: -32px;
    left: 0;
    min-width: 36px;
    text-align: center;
    font-size: 0.95rem;
    color: #fff;
    background: rgba(30,30,30,0.92);
    padding: 2px 8px;
    border-radius: 6px;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s, left 0.2s;
    z-index: 2;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(0,0,0,0.25);
}

.playback-buttons-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
    width: 100%;
    margin-top: 1.2rem;
}
.playpause-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, #007fd1, #c600ff);
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    box-shadow: var(--shadow-button);
    cursor: pointer;
    transition: box-shadow 0.2s, background 0.2s;
    position: relative;
    padding: 0;
}
.playpause-btn:disabled {
    background: #4b5563;
    cursor: not-allowed;
    box-shadow: none;
}
.playpause-btn svg {
    display: block;
}
.icon-btn {
    background: none;
    border: none;
    box-shadow: none;
    cursor: pointer;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    transition: background 0.2s;
    z-index: 5;
}
.icon-btn svg {
    display: block;
    stroke: var(--color-primary-light);
}
.icon-btn:active svg, .icon-btn:focus svg {
    stroke: var(--color-primary);
}

.play-icon, .pause-icon {
    fill: #fff !important;
    stroke: #fff !important;
}

.playpause-btn svg {
    fill: #fff !important;
    stroke: #fff !important;
}

#generate-mp3-btn {
    background-color: var(--color-primary);
    color: var(--color-text-primary);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s;
}

#generate-mp3-btn:hover {
    background-color: var(--color-primary-dark);
}

#generate-mp3-btn:disabled {
    background-color: #6b7280;
    cursor: not-allowed;
}

/* Estilos para la Modal DCIBEL */
.dcibel-modal-overlay {
    display: none; /* Oculta por defecto */
    position: fixed;
    z-index: 2000; /* Muy alto para estar encima de todo */
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.7); /* Fondo oscuro semitransparente */
    align-items: center; /* Centrado vertical */
    justify-content: center; /* Centrado horizontal */
}

.dcibel-modal-content {
    background-color: var(--color-surface-dark, #282c34);
    color: var(--color-text-primary, #f1f1f1);
    padding: 25px 30px;
    border: 1px solid var(--color-border, #444851);
    border-radius: var(--radius-lg, 12px);
    width: 90%;
    max-width: 480px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
    text-align: center;
    position: relative;
    animation: dcibelModalAppear 0.3s ease-out;
}

@keyframes dcibelModalAppear {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(-20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.dcibel-modal-close {
    color: var(--color-text-secondary, #aaa);
    position: absolute;
    top: 12px;
    right: 20px;
    font-size: 30px;
    font-weight: bold;
    transition: color 0.2s ease;
}

.dcibel-modal-close:hover,
.dcibel-modal-close:focus {
    color: var(--color-primary-light, #60a5fa);
    text-decoration: none;
    cursor: pointer;
}

.dcibel-modal-icon {
    margin-bottom: 15px;
}

.dcibel-modal-icon svg {
    color: var(--color-secondary, #10b981); /* Verde para éxito */
    width: 50px;
    height: 50px;
}

.dcibel-modal-content h3 {
    font-size: 1.6rem;
    color: var(--color-text-primary, #fff);
    margin-top: 0;
    margin-bottom: 10px;
    font-weight: 500;
}

.dcibel-modal-content p {
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 25px;
    color: var(--color-text-secondary, #ccc);
}

.dcibel-modal-button {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
    padding: 12px 25px;
    border: none;
    border-radius: var(--radius-md, 8px);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-button);
}

.dcibel-modal-button:hover {
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
    box-shadow: var(--shadow-button-hover);
    transform: translateY(-1px);
}