.proximity-visual {
    position: relative;
    width: 220px;
    height: 220px;
    margin: 0 auto;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(13,110,253,0.15), rgba(13,110,253,0.05));
    transition: background 0.4s ease, box-shadow 0.4s ease, transform 0.4s ease;
}

.proximity-visual .proximity-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.proximity-label {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 120px;
    padding: 0.75rem 1.25rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.8);
    color: var(--bs-body-color, #212529);
    font-size: 1.125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.proximity-pulse {
    position: absolute;
    inset: 15px;
    border-radius: 50%;
    border: 2px dashed rgba(13, 110, 253, 0.25);
    animation: pulseRotate 8s linear infinite;
}

.proximity-visual.state-near {
    background: linear-gradient(135deg, rgba(25,135,84,0.3), rgba(25,135,84,0.1));
    box-shadow: 0 0 35px rgba(25, 135, 84, 0.35);
    transform: scale(1.05);
}

.proximity-visual.state-near .proximity-label {
    background: rgba(25, 135, 84, 0.85);
    color: #fff;
}

.proximity-visual.state-far {
    background: linear-gradient(135deg, rgba(13,110,253,0.2), rgba(13,110,253,0.05));
    box-shadow: 0 0 25px rgba(13, 110, 253, 0.25);
}

.proximity-visual.state-far .proximity-label {
    background: rgba(13, 110, 253, 0.85);
    color: #fff;
}

.proximity-visual.state-unknown {
    background: linear-gradient(135deg, rgba(108,117,125,0.25), rgba(108,117,125,0.08));
    box-shadow: 0 0 20px rgba(108, 117, 125, 0.2);
}

.proximity-visual.state-unknown .proximity-label {
    background: rgba(108, 117, 125, 0.85);
    color: #fff;
}

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

[data-bs-theme="dark"] .proximity-label {
    background: rgba(33, 37, 41, 0.7);
    color: #fff;
}

[data-bs-theme="dark"] .proximity-visual.state-far .proximity-label {
    background: rgba(13, 110, 253, 0.95);
}

[data-bs-theme="dark"] .proximity-visual.state-near .proximity-label {
    background: rgba(25, 135, 84, 0.95);
}

[data-bs-theme="dark"] .proximity-visual.state-unknown .proximity-label {
    background: rgba(108, 117, 125, 0.95);
}