.premium-nav-action {
    position: relative;
    isolation: isolate;
    display: inline-flex;
    width: auto;
    min-width: 0;
    min-height: 44px;
    padding: 0.65rem 1rem;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    border: 1px solid rgba(151, 218, 255, 0.28);
    border-radius: 999px;
    color: #f7fbff;
    font-size: 0.78rem;
    font-weight: 680;
    line-height: 1.3;
    text-align: center;
    text-decoration: none;
    white-space: nowrap;
    cursor: pointer;
    background: rgba(3, 16, 34, 0.62);
    box-shadow: 0 4px 12px rgba(0, 5, 18, 0.18);
    backdrop-filter: blur(12px);
    transform: translateY(0) scale(1);
    transition:
        color 0.22s ease,
        border-color 0.22s ease,
        box-shadow 0.28s cubic-bezier(0.22, 1, 0.36, 1),
        transform 0.24s cubic-bezier(0.22, 1, 0.36, 1);
}

.premium-nav-action::before {
    position: absolute;
    z-index: -1;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(145deg, rgba(92, 202, 255, 0.34), rgba(7, 19, 40, 0.08));
    content: "";
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.30s cubic-bezier(0.22, 1, 0.36, 1);
}

.premium-nav-action i { color: #f2d284; }

.premium-nav-action:hover {
    border-color: rgba(242, 210, 132, 0.65);
    color: #fff;
    box-shadow: 0 6px 14px rgba(0, 5, 18, 0.22);
    transform: translateY(-2px) scale(1.01);
}

.premium-nav-action:hover::before,
.premium-nav-action:focus-visible::before {
    opacity: 1;
}

.premium-nav-action:focus-visible {
    outline: 3px solid #72d6ff;
    outline-offset: 3px;
    border-color: rgba(242, 210, 132, 0.72);
    box-shadow: 0 0 0 4px rgba(92, 202, 255, 0.16), 0 6px 14px rgba(0, 5, 18, 0.2);
    transform: translateY(0) scale(1);
}

.premium-nav-action:active {
    border-color: rgba(242, 210, 132, 0.82);
    box-shadow: 0 2px 7px rgba(0, 5, 18, 0.2);
    transform: translateY(0) scale(0.99);
    transition-duration: 0.12s;
}

.premium-nav-action:active::before {
    opacity: 0.62;
    transition-duration: 0.12s;
}

.premium-nav-action--compact {
    padding-inline: 0.9rem;
    font-size: 0.74rem;
    letter-spacing: 0.04em;
    border-color: rgba(242, 210, 132, 0.58);
    background: linear-gradient(145deg, #0d3154, #061427 78%);
}

.premium-nav-action--current,
.premium-nav-action[aria-current="page"] {
    border-color: rgba(242, 210, 132, 0.48);
    color: #f2d284;
    cursor: default;
    background: rgba(3, 16, 34, 0.78);
}

@media (max-width: 768px) {
    .premium-nav-action { padding-inline: 0.85rem; }
    .premium-nav-action--compact { padding-inline: 0.75rem; font-size: 0.72rem; }
}

@media (prefers-reduced-motion: reduce) {
    .premium-nav-action,
    .premium-nav-action::before {
        transition: none;
    }

    .premium-nav-action:hover,
    .premium-nav-action:focus-visible,
    .premium-nav-action:active {
        transform: none;
    }
}

@supports not (backdrop-filter: blur(12px)) {
    .premium-nav-action { background-color: rgba(3, 16, 34, 0.94); }
}