.unit-blocked {
    opacity: 0.6;
    background-color: #f5f5f5;
    position: relative;
}

.lesson-blocked {
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 20px;
    z-index: 1;
}

.unit-blocked .white-box {
    background-color: #e0e0e0 !important;
}

.lesson-item.unit-blocked {
    opacity: 0.6;
    background-color: #f5f5f5;
}

.lesson-item.unit-blocked .white-box {
    background-color: #e0e0e0 !important;
}

/* Estilos para el mensaje de desbloqueo */
.unlock-message {
    background: var(--unlock-color);
    color: white;
    padding: 15px 20px;
    border-radius: 8px;
    margin: 10px 0;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    position: relative;
    overflow: hidden;
}

.unlock-message::before {
    content: "⏰";
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 18px;
}

.unlock-message .unlock-text {
    margin-left: 30px;
    font-weight: 500;
}

.unlock-message .unlock-time {
    font-weight: bold;
    font-size: 1.1em;
    color: var(--unlock-text-color, white);
}

@keyframes pulse-glow {
    0% { box-shadow: 0 4px 15px rgba(0,0,0,0.1); }
    50% { box-shadow: 0 4px 20px rgba(102, 126, 234, 0.3); }
    100% { box-shadow: 0 4px 15px rgba(0,0,0,0.1); }
}

.unlock-message {
    animation: pulse-glow 3s ease-in-out infinite;
}



/* Estilos para contenido bloqueado */
.blocked-video-thumbnail {
    position: relative;
    display: block;
    width: 100%;
    height: 400px; /* Altura fija para que ocupe todo el espacio */
    background-color: #f5f5f5;
    border-radius: 8px;
    overflow: hidden;
}

.blocked-video-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* Para que la imagen cubra todo el espacio */
    border-radius: 8px;
}

.blocked-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    background: rgba(0,0,0,0.7);
    z-index: 2;
}

/* Estilos para enlaces de contenido bloqueado en SHOW DETAIL */
.blocked-content-link {
    color: #999 !important;
    text-decoration: none !important;
    cursor: not-allowed;
    opacity: 0.6;
}

.blocked-content-link:hover {
    color: #999 !important;
    text-decoration: none !important;
}

/* Estilos específicos para la vista de progreso (SHOW DETAIL) */
.unit-blocked-progress {
    opacity: 0.6;
    background-color: #f5f5f5;
}

.unit-blocked-progress .table {
    background-color: #e0e0e0 !important;
}

.blocked-content-link-progress {
    color: #999 !important;
    text-decoration: none !important;
    cursor: not-allowed;
    opacity: 0.6;
}

.blocked-content-link-progress:hover {
    color: #999 !important;
    text-decoration: none !important;
}

/* Estilo para el mensaje de tiempo de desbloqueo en la vista de progreso */
.unlock-time-progress {
    color: var(--unlock-color, red);
    font-size: 0.9em;
    font-weight: 500;
    font-style: italic;
    margin-top: 5px;
    display: block;
}