.rittec-bt-container {
    padding: 30px;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    border: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.05);
    min-height: 200px;
    margin: 20px 0;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

.rittec-bt-loader {
    text-align: center;
    padding: 50px 0;
}

.rittec-bt-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #0059a4;
    border-radius: 50%;
    animation: rittec-spin 1s linear infinite;
    margin: 0 auto 15px;
}

@keyframes rittec-spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.rittec-bt-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 25px;
}

.rittec-bt-card {
    background: #fff;
    border: 1px solid #eee;
    padding: 20px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.rittec-bt-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 89, 164, 0.1);
    border-color: #0059a4;
}

.rittec-bt-card-icon {
    width: 45px;
    height: 45px;
    background: #f0f7ff;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    color: #0059a4;
    font-size: 1.2rem;
    transition: background 0.3s ease;
}

.rittec-bt-card:hover .rittec-bt-card-icon {
    background: #0059a4;
    color: #fff;
}

.rittec-bt-card-title {
    flex: 1;
    font-weight: 600;
    color: #333;
    font-size: 1.1rem;
}

.rittec-bt-card-arrow {
    color: #ccc;
    transition: transform 0.3s ease, color 0.3s ease;
}

.rittec-bt-card:hover .rittec-bt-card-arrow {
    transform: translateX(5px);
    color: #0059a4;
}

.rittec-bt-error {
    color: #d32f2f;
    background: #ffebee;
    padding: 15px;
    border-radius: 6px;
    text-align: center;
}

.rittec-bt-debug-info {
    margin-top: 20px;
    padding: 15px;
    background: #fdf6e3;
    border: 1px solid #eee8d5;
    border-radius: 6px;
    font-family: monospace;
    font-size: 0.85rem;
    color: #657b83;
    line-height: 1.4;
}