.main-header {
    text-align: center;
    color: #1f77b4;
    margin-bottom: 2rem;
}
.button-container {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin: 2rem 0;
    flex-wrap: wrap;
}
.control-button {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.5rem;
    border-radius: 15px;
    background: linear-gradient(145deg, #f0f2f6, #ffffff);
    box-shadow: 5px 5px 15px #d1d9e6, -5px -5px 15px #ffffff;
    transition: all 0.3s ease;
    min-width: 150px;
    cursor: pointer;
}
.control-button:hover {
    transform: translateY(-2px);
    box-shadow: 8px 8px 20px #d1d9e6, -8px -8px 20px #ffffff;
}
.status-indicator {
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: bold;
    text-align: center;
    margin: 1rem 0;
}
.status-connected {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}
.status-disconnected {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}
.log-container {
    background-color: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 5px;
    padding: 1rem;
    max-height: 300px;
    overflow-y: auto;
}
.stButton > button {
    height: 60px !important;
    font-size: 14px !important;
    font-weight: bold !important;
    border-radius: 10px !important;
    border: 2px solid #e0e0e0 !important;
    transition: all 0.3s ease !important;
}
.stButton > button:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2) !important;
    border-color: #1f77b4 !important;
}