/* Liquid glass primitives */
.glass {
    background:
        linear-gradient(180deg, rgba(255,255,255,0.11), rgba(255,255,255,0.04));
    border: 1px solid var(--border-1);
    backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-sat));
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-sat));
    box-shadow:
        0 6px 22px rgba(0, 0, 0, 0.22),
        inset 0 1px 0 rgba(255, 255, 255, 0.14);
}
.glass-strong {
    background:
        linear-gradient(180deg, rgba(255,255,255,0.18), rgba(255,255,255,0.06));
    border: 1px solid var(--border-2);
    backdrop-filter: blur(28px) saturate(160%);
    -webkit-backdrop-filter: blur(28px) saturate(160%);
    box-shadow:
        0 14px 40px rgba(0, 0, 0, 0.32),
        inset 0 1px 0 rgba(255, 255, 255, 0.20);
}
.glass-inset {
    background: rgba(0, 0, 0, 0.24);
    border: 1px solid rgba(255,255,255,0.06);
    box-shadow: inset 0 2px 8px rgba(0,0,0,0.35);
}
@supports not (backdrop-filter: blur(1px)) {
    .glass, .glass-strong {
        background: rgba(20, 22, 44, 0.92);
    }
}

/* Fluorescent border variant */
.glow-border {
    position: relative;
}
.glow-border::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(135deg, var(--accent-1), var(--accent-2) 45%, var(--accent-3) 90%);
    -webkit-mask:
        linear-gradient(#fff 0 0) content-box,
        linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
            mask-composite: exclude;
    pointer-events: none;
    opacity: 0.55;
}