.checkpoint-panel {
    padding: 1rem;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.checkpoint-panel h3 {
    margin-top: 0;
}

.checkpoint-panel > button {
    margin-bottom: 1rem;
    padding: 0.5rem;
    cursor: pointer;
}

.checkpoint-history {
    list-style-type: none;
    padding: 0;
    margin: 0;
    overflow-y: auto;
    flex-grow: 1;
}

.checkpoint-history li {
    border-bottom: 1px solid #ccc;
    padding: 0.75rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.checkpoint-info {
    display: flex;
    flex-direction: column;
}

.checkpoint-info strong {
    font-size: 1rem;
}

.checkpoint-info span {
    font-size: 0.8rem;
    color: #666;
}

.checkpoint-info small {
    font-family: monospace;
    font-size: 0.75rem;
    color: #888;
}

.checkpoint-actions button {
    margin-left: 0.5rem;
    cursor: pointer;
}

.error-message {
    color: red;
    margin-bottom: 1rem;
}

.success-message {
    color: green;
    margin-bottom: 1rem;
    background-color: #f0fff0;
    padding: 0.5rem;
    border-radius: 4px;
    border: 1px solid #d4edda;
}