.ttlock-door-control {
    margin: 10px 0;
}

.ttlock-open-door {
    display: flex;
    align-items: center;
    background: #4CAF50;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    min-width: 120px;
}

.ttlock-open-door:hover {
    background: #45a049;
}

.door-icon {
    margin-right: 10px;
    font-size: 1.2em;
}

.loading-indicator {
    display: none;
    position: absolute;
    right: 10px;
    width: 20px;
    height: 20px;
    border: 2px solid #ffffff;
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.ttlock-open-door.loading .loading-indicator {
    display: block;
}

.ttlock-open-door.loading .button-text {
    margin-right: 30px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.ttlock-open-door:disabled {
    background: #cccccc;
    cursor: not-allowed;
}