/* Sistema de Diseño de Material 3 - Snackbars Mejorados */
:root {
    /* Tema claro por defecto */
    --md-inverse-surface: #322F35;
    --md-inverse-on-surface: #F5EFF7;
    --md-inverse-primary: #FFF;
    --snack-btn-bg: rgba(255, 255, 255, 0.15);
    --snack-btn-text: #D0BCFF;
    --snack-btn-hover: rgba(255, 255, 255, 0.25);
    --snack-btn-primary-bg: #D0BCFF;
    --snack-btn-primary-text: #322F35;
    --md-surface: #FFFBFE;
    --md-on-surface: #1C1B1F;
    /* Colores comunes */
    --md-primary: #6750A4;
    --md-on-primary: #FFFFFF;
    --md-secondary: #625B71;
    --md-on-secondary: #FFFFFF;
    /* Elevaciones */
    --md-elevation-3: 0px 4px 8px 3px rgba(0, 0, 0, 0.15), 0px 1px 3px 0px rgba(0, 0, 0, 0.30);
    /* Tipografía */
    --md-font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --md-typescale-label-large-size: 14px;
    --md-typescale-label-large-line-height: 20px;
    --md-typescale-label-large-weight: 500;
    --md-typescale-label-large-tracking: 0.1px;
    /* Formas */
    --md-shape-corner-extra-small: 4px;
    /* Estados */
    --md-state-hover-opacity: 0.08;
    --md-state-pressed-opacity: 0.12;
    /* Dimensiones */
    --md-snackbar-single-height: 48px;
    --md-snackbar-double-height: 64px;
    --md-snackbar-min-width: 344px;
    --md-snackbar-max-width: 672px;
    --snack-gap: 12px;
    /* Duraciones de animación mejoradas */
    --snack-duration-enter: 450ms;
    --snack-duration-exit: 450ms;
    --snack-easing-enter: cubic-bezier(0.2, 0, 0, 1);
    --snack-easing-exit: cubic-bezier(0.4, 0, 1, 1);
    --snack-easing-smooth: cubic-bezier(0.4, 0, 0.2, 1);
}

/* SNACKBAR CONTAINER */
.snackbar-container {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    z-index: 1100;
    pointer-events: none;
    gap: var(--snack-gap);
}

/* SNACKBAR BASE */
.snackbar {
    /* Variables dinámicas según tema */
    --md-snackbar-bg: var(--md-inverse-surface);
    --md-snackbar-color: var(--md-inverse-primary);
    --md-snackbar-icon-color: var(--md-inverse-on-surface);
    --md-snackbar-hover-icon-layer: var(--md-inverse-on-surface);
    --md-snackbar-pressed-icon-color: var(--md-inverse-on-surface);
    /* Container base */
    background-color: var(--md-snackbar-bg);
    color: var(--md-snackbar-color);
    box-shadow: var(--md-elevation-3);
    border-radius: var(--md-shape-corner-extra-small);
    min-height: var(--md-snackbar-single-height);
    /* Layout */
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    margin: 0 24px;
    max-width: var(--md-snackbar-max-width);
    min-width: var(--md-snackbar-min-width);
    pointer-events: auto;
    /* Tipografía */
    font-family: var(--md-font-family);
    font-size: var(--md-typescale-label-large-size);
    line-height: var(--md-typescale-label-large-line-height);
    font-weight: var(--md-typescale-label-large-weight);
    letter-spacing: var(--md-typescale-label-large-tracking);
    /* Estado inicial - oculto */
    opacity: 0;
    transform: translateY(100%) scale(0.9);
    /* Transiciones suaves para todas las propiedades */
    transition: opacity var(--snack-duration-exit) var(--snack-easing-exit), transform var(--snack-duration-exit) var(--snack-easing-exit), height var(--snack-duration-exit) var(--snack-easing-exit), padding var(--snack-duration-exit) var(--snack-easing-exit), margin-bottom var(--snack-duration-exit) var(--snack-easing-exit), min-height var(--snack-duration-exit) var(--snack-easing-exit), box-shadow 0.2s var(--snack-easing-smooth);
    /* Evitar overflow durante animaciones */
    overflow: hidden;
    will-change: transform, opacity;
}

    /* Estado de entrada */
    .snackbar.entering {
        opacity: 1;
        transform: translateY(0) scale(1);
        transition: opacity var(--snack-duration-enter) var(--snack-easing-enter), transform var(--snack-duration-enter) var(--snack-easing-enter);
    }

    /* Snackbar con dos líneas */
    .snackbar.two-line {
        min-height: var(--md-snackbar-double-height);
        align-items: flex-start;
        padding-top: 14px;
    }

/* Inner wrapper para mejor control de animación */
.snackbar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    transition: transform var(--snack-duration-exit) var(--snack-easing-exit);
}

/* Contenido */
.snackbar-content {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-grow: 1;
    padding: 0;
}

/* Ícono del snackbar */
.snackbar-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--md-snackbar-icon-color);
    font-size: 18px;
    flex-shrink: 0;
    border-radius: 50%;
    cursor: pointer;
    transition: background-color 0.2s var(--snack-easing-smooth), color 0.2s var(--snack-easing-smooth), transform 0.1s var(--snack-easing-smooth);
    user-select: none;
}

    .snackbar-icon:hover {
        background-color: color-mix( in srgb, var(--md-snackbar-hover-icon-layer) calc(var(--md-state-hover-opacity) * 100%), transparent );
    }

    .snackbar-icon:active {
        color: var(--md-snackbar-pressed-icon-color);
        transform: scale(0.95);
    }

/* Mensaje */
.snackbar-message {
    color: #F5EFF7 !important;
    font-weight: 400;
    flex-grow: 1;
    line-height: var(--md-typescale-label-large-line-height);
    letter-spacing: 0.25px;
}

/* Botones de acción */
.snackbar-actions {
    display: flex;
    gap: 8px;
    margin-left: 16px;
    flex-shrink: 0;
}

.snackbar-button {
    background: var(--snack-btn-bg);
    color: var(--snack-btn-text);
    padding: 6px 12px;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    font-size: 13px;
    min-width: 60px;
    text-align: center;
    font-family: var(--md-font-family);
    font-weight: var(--md-typescale-label-large-weight);
    letter-spacing: var(--md-typescale-label-large-tracking);
    text-transform: uppercase;
    outline: none;
    transition: background 0.2s var(--snack-easing-smooth), transform 0.1s var(--snack-easing-smooth);
    user-select: none;
}

    .snackbar-button:hover {
        background: var(--snack-btn-hover);
    }

    .snackbar-button:active {
        transform: scale(0.98);
    }

    .snackbar-button.primary {
        background: var(--snack-btn-primary-bg);
        color: var(--snack-btn-primary-text);
    }

    .snackbar-button:focus-visible {
        outline: 2px solid var(--md-primary);
        outline-offset: 2px;
    }

.icon-button {
    background: transparent;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: background-color 0.2s ease;
    color: #F5EFF7;
}

    .icon-button::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: #F5EFF7;
        opacity: 0;
        transition: opacity 0.2s ease;
        border-radius: 20px;
    }

    .icon-button:hover::before {
        opacity: 0.08;
    }

    .icon-button:focus {
        outline: 2px solid rgba(245, 239, 247, 0.5);
        outline-offset: 2px;
    }

        .icon-button:focus::before {
            opacity: 0.1;
        }

    .icon-button:active::before {
        opacity: 0.1;
    }

    .icon-button svg {
        position: relative;
        z-index: 1;
        width: 24px;
        height: 24px;
        fill: currentColor;
    }

/* Estado de cierre mejorado */
.snackbar.hiding {
    min-height: 0 !important;
    height: 0 !important;
    padding: 0 20px !important;
    margin-bottom: 0 !important;
    opacity: 0 !important;
    pointer-events: none !important;
    z-index: 1;
    overflow: hidden;
}

    .snackbar.hiding .snackbar-inner {
        transform: translateY(150%);
    }

    .snackbar.hiding * {
        pointer-events: none;
    }

/* Responsive */
@media (max-width: 600px) {
    .snackbar {
        min-width: 90%;
        padding: 12px 16px;
        max-width: 95%;
        margin: 0 16px;
    }

        .snackbar.hiding {
            padding: 0 16px !important;
        }

    .snackbar-button {
        padding: 5px 10px;
        font-size: 12px;
        min-width: 50px;
    }
}

@media (max-width: 400px) {
    .snackbar {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .snackbar-actions {
        width: 100%;
        margin-left: 0;
        justify-content: flex-end;
    }
}

/* Accesibilidad - Movimiento reducido */
@media (prefers-reduced-motion: reduce) {
    .snackbar,
    .snackbar.entering,
    .snackbar-inner,
    .snackbar-icon,
    .snackbar-button {
        animation: none !important;
        transition: opacity 0.1s linear !important;
    }

    .snackbar {
        transform: none !important;
    }

        .snackbar.entering {
            opacity: 1 !important;
        }

        .snackbar.hiding {
            opacity: 0 !important;
            transition: opacity 0.1s linear !important;
        }

            .snackbar.hiding .snackbar-inner {
                transform: none !important;
            }
}

/* Material Symbols adjustments */
.material-symbols-outlined {
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}