.floating-diagnostic-cta {
    position: fixed;
    right: max(1.25rem, env(safe-area-inset-right));
    bottom: max(1.25rem, env(safe-area-inset-bottom));
    z-index: 1040;
    display: grid;
    grid-template-columns: 2.5rem minmax(0, 1fr) auto;
    align-items: center;
    gap: 0.75rem;
    min-height: 3.75rem;
    padding: 0.6rem 0.85rem 0.6rem 0.65rem;
    color: #fff;
    background:
        radial-gradient(circle at 18% 0%, rgba(125, 211, 252, 0.2), transparent 42%),
        linear-gradient(135deg, #123b78 0%, #174ea6 52%, #312e81 100%);
    border: 1px solid rgba(191, 219, 254, 0.34);
    border-radius: 999px;
    box-shadow: 0 1rem 2.5rem rgba(15, 23, 42, 0.3),
                0 0 1.75rem rgba(59, 130, 246, 0.22),
                inset 0 1px 0 rgba(255, 255, 255, 0.18);
    text-decoration: none;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(0.8rem) scale(0.96);
    transition: opacity 180ms ease,
                visibility 180ms ease,
                transform 180ms ease,
                background-color 180ms ease,
                box-shadow 180ms ease;
}

.floating-diagnostic-cta.is-visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0) scale(1);
}

.floating-diagnostic-cta.is-suppressed {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(0.8rem) scale(0.96);
}

.floating-diagnostic-cta:hover {
    color: #fff;
    background:
        radial-gradient(circle at 18% 0%, rgba(125, 211, 252, 0.26), transparent 44%),
        linear-gradient(135deg, #16468a 0%, #1d5abb 52%, #3730a3 100%);
    box-shadow: 0 1.15rem 2.75rem rgba(15, 23, 42, 0.34),
                0 0 2rem rgba(59, 130, 246, 0.3),
                inset 0 1px 0 rgba(255, 255, 255, 0.22);
    transform: translateY(-2px) scale(1);
}

.floating-diagnostic-cta:focus-visible {
    color: #fff;
    outline: 3px solid rgba(13, 110, 253, 0.32);
    outline-offset: 4px;
}

.floating-diagnostic-cta__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    color: #174ea6;
    background: linear-gradient(145deg, #fff 0%, #eaf3ff 100%);
    border-radius: 50%;
    font-size: 1.2rem;
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.45),
                0 0 1rem rgba(147, 197, 253, 0.3);
}

.floating-diagnostic-cta__label {
    color: #fff;
    font-size: 0.94rem;
    font-weight: 700;
    line-height: 1.15;
    white-space: nowrap;
}

.floating-diagnostic-cta__arrow {
    font-size: 1.35rem;
    line-height: 1;
}

@media (max-width: 575.98px) {
    .floating-diagnostic-cta {
        right: max(0.75rem, env(safe-area-inset-right));
        bottom: max(0.75rem, env(safe-area-inset-bottom));
        min-height: 3.35rem;
        padding: 0.45rem 0.7rem 0.45rem 0.5rem;
        grid-template-columns: 2.25rem minmax(0, 1fr) auto;
        gap: 0.6rem;
    }

    .floating-diagnostic-cta__icon {
        width: 2.25rem;
        height: 2.25rem;
        font-size: 1.05rem;
    }

    .floating-diagnostic-cta__label {
        font-size: 0.86rem;
        max-width: 10.5rem;
        white-space: normal;
    }
}

@media (prefers-reduced-motion: reduce) {
    .floating-diagnostic-cta {
        transition: none;
    }
}