:root {
    --bg: #0a0f1c;           /* deep night sky */
    --surface: #111827;      /* panels */
    --surface-alt: #0f172a;  /* slight variation */
    --text: #e6edf3;         /* crisp readable */
    --muted: #94a3b8;        /* secondary text */
    --accent: #38bdf8;       /* sky blue */
    --accent-soft: #0ea5e9;  /* deeper blue */
    --accent-glow: rgba(56, 189, 248, 0.15);
    --border: #1f2937;

}

a {
    color: var(--accent);
    text-decoration: none;
}

a:visited {
    color: var(--accent);
}

a:hover {
    text-decoration: underline;
    text-decoration-color: rgba(56, 189, 248, 0.4);
    text-underline-offset: 3px;
}

.glass {
    background: rgba(17, 24, 39, 0.2);        /* --surface at 60% */
    -webkit-backdrop-filter: blur(12px) saturate(180%);
    backdrop-filter: blur(12px) saturate(180%);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(56, 189, 248, 0.05);
}

.glass-border {
    border: 1px solid rgba(56, 189, 248, 0.15);  /* --accent at low opacity */
}

body {
    background-color: var(--bg);
    background-image:
        radial-gradient(ellipse at 20% 50%, rgba(56, 189, 248, 0.06) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(14, 165, 233, 0.05) 0%, transparent 50%);
}