#barraProgreso {
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

#barraProgreso::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    transform: translateX(-100%);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    100% {
        transform: translateX(100%);
    }
}

.tema.completado {
    border-left: 4px solid #10b981;
    background-color: rgba(16, 185, 129, 0.05);
}

.dark .tema.completado {
    background-color: rgba(16, 185, 129, 0.1);
}

#btnCompletado {
    transition: all 0.3s ease;
}

#btnCompletado:active {
    transform: scale(0.98);
}

.progreso-tooltip {
    position: relative;
    cursor: help;
}

.progreso-tooltip:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: #1f2937;
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    white-space: nowrap;
    z-index: 10;
}