/* Thread message styling */
.thread-message {
    position: fixed;
    width: 150px;
    padding: 8px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.2);
    pointer-events: none;
    z-index: 100;
    transform-origin: center;
    text-align: center;
    font-size: 0.9rem;
    opacity: 0;
}

.thread-message.notify {
    border: 2px solid #4caf50;
}

.thread-message.wait {
    border: 2px solid #ff9800;
}

.thread-message.interrupt {
    border: 2px solid #f44336;
}

.message-content {
    font-weight: bold;
    color: #333;
}

.message-arrow {
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-top: 10px solid white;
}