.hover-translate-tooltip {
    position: absolute;
    width: 250px; /* Kích thước mặc định, sẽ được điều chỉnh bởi JS */
    max-width: 400px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    z-index: 9999;
    padding: 0;
    overflow: hidden;
    transition: opacity 0.3s ease, transform 0.3s ease;
    animation: tooltip-pop 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes tooltip-pop {
    0% { transform: scale(0.8); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

.tooltip-content {
    padding: 15px;
}

.tooltip-word {
    font-weight: bold;
    font-size: 16px;
    margin-bottom: 8px;
    color: #333;
    max-height: 100px;
    overflow-y: auto;
    line-height: 1.4;
}

.tooltip-translation {
    font-size: 14px;
    color: #555;
    margin-bottom: 10px;
    min-height: 20px;
    max-height: 150px;
    overflow-y: auto;
    line-height: 1.5;
}

.tooltip-actions {
    display: flex;
    justify-content: flex-start;
    margin-top: 5px;
}

.tooltip-speak-btn {
    background: #4e73fa;
    border: none;
    color: white;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.tooltip-speak-btn:hover {
    background: #3a5ad9;
    transform: scale(1.1);
}

.tooltip-speak-btn:active {
    transform: scale(0.95);
}

.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(0, 0, 0, 0.1);
    border-top-color: #4e73fa;
    border-radius: 50%;
    animation: spin 1s infinite linear;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Hiệu ứng khi hover vào văn bản có thể dịch */
.translatable {
    text-decoration: underline dotted #4e73fa;
    cursor: pointer;
}

.translatable:hover {
    background-color: rgba(78, 115, 250, 0.1);
}