:root {
    --nx-float-bg: rgba(15, 23, 42, 0.55); /* slate-900 @55% */
    --nx-float-border: rgba(255, 255, 255, 0.18);
    --nx-float-accent: #1e3a8a; /* indigo-900 */
    --nx-float-icon: #e5e7eb; /* gray-200 */
    --nx-float-icon-hover: #ffffff;
    --nx-radius: 14px;
    --nx-blur: 14px;
    --nx-shadow: 0 8px 24px rgba(0, 0, 0, .25);
    --nx-gap: 10px;
    --nx-size: 46px; /* buton kutu boyu */
    --nx-pill-w: 190px; /* açılan etiket genişliği */
    --nx-z: 9999;
}

.nx-float {
    position: fixed;
    right: 18px;
    top: 50%;
    transform: translateY(-50%);
    display: grid;
    gap: var(--nx-gap);
    z-index: var(--nx-z);
    touch-action: manipulation;
}

/* Toggle */
.nx-float__toggle {
    width: var(--nx-size);
    height: var(--nx-size);
    border-radius: 12px;
    border: 1px solid var(--nx-float-border);
    background: var(--nx-float-bg);
    backdrop-filter: blur(var(--nx-blur));
    -webkit-backdrop-filter: blur(var(--nx-blur));
    box-shadow: var(--nx-shadow);
    color: var(--nx-icon, #fff);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform .25s ease, background .25s ease;
}

.nx-float__toggle i {
    color: var(--nx-float-icon);
    font-size: 16px;
}

.nx-float__toggle:active {
    transform: translateY(1px);
}

.nx-float--open .nx-float__toggle i {
    transform: rotate(180deg);
    transition: transform .25s ease;
}

/* Item (cam efektli) */
.nx-float__item {
    position: relative;
    width: var(--nx-size);
    height: var(--nx-size);
    border-radius: 12px;
    border: 1px solid var(--nx-float-border);
    background: var(--nx-float-bg);
    backdrop-filter: blur(var(--nx-blur));
    -webkit-backdrop-filter: blur(var(--nx-blur));
    box-shadow: var(--nx-shadow);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--nx-float-icon);
    text-decoration: none;
    overflow: visible;
}

.nx-float__item i {
    font-size: 18px;
    transition: transform .18s ease, color .18s ease;
}

.nx-float__item:hover i {
    color: var(--nx-float-icon-hover);
    transform: scale(1.06);
}

/* Slide-out pill label (desktop hover, mobile open state) */
.nx-float__label {
    position: absolute;
    right: calc(100% + 10px);
    top: 50%;
    transform: translateY(-50%) translateX(8px);
    min-width: 120px;
    max-width: var(--nx-pill-w);
    padding: 10px 14px;
    color: #fff;
    background: linear-gradient(180deg, rgba(30, 41, 59, .72), rgba(2, 6, 23, .62));
    border: 1px solid var(--nx-float-border);
    border-radius: var(--nx-radius);
    backdrop-filter: blur(var(--nx-blur));
    -webkit-backdrop-filter: blur(var(--nx-blur));
    box-shadow: var(--nx-shadow);
    pointer-events: none;
    opacity: 0;
    white-space: nowrap;
    font: 600 14px/1.1 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
    transition: opacity .25s ease, transform .25s ease;
}

/* Hover ile göster (>=1024px) */
@media (hover: hover) and (pointer: fine) {
    .nx-float__item:hover .nx-float__label {
        opacity: 1;
        transform: translateY(-50%) translateX(0);
    }
}

/* Mobil: toggle açıkken etiketleri göster ve grup sola kaydır */
.nx-float--open .nx-float__item .nx-float__label {
    opacity: 1;
    transform: translateY(-50%) translateX(0);
}

/* High-contrast/dark uyumu */
@media (prefers-color-scheme: light) {
    :root {
        --nx-float-bg: rgba(255, 255, 255, 0.55);
        --nx-float-icon: #0f172a;
        --nx-float-icon-hover: #0b1220;
        --nx-float-border: rgba(15, 23, 42, 0.18);
    }
}

/* Animasyonu azalt */
@media (prefers-reduced-motion: reduce) {
    .nx-float__label,
    .nx-float__toggle,
    .nx-float__item i {
        transition: none !important;
    }
}