/* ===== THEME-AWARE NAVIGATION LOGO ===== */

/* Default state (before JS runs): show the light logo */
.nav-logo-light {
    display: block;
}

.nav-logo-dark {
    display: none;
}

:root.dark .nav-logo-light {
    display: none;
}

:root.dark .nav-logo-dark {
    display: block;
}

:root.light .nav-logo-light {
    display: block;
}

:root.light .nav-logo-dark {
    display: none;
}

/* ===== NAV LOGO GROUP (Apollo theme vars) ===== */
nav .logo {
    position: relative;
    overflow: hidden;
    background: transparent;
    color: var(--text-0) !important;
    z-index: 1;
}

nav .logo::before {
    content: '';
    position: absolute;
    left: var(--mouse-x, 50%);
    top: var(--mouse-y, 50%);
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, var(--primary-color) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    opacity: 0;
    z-index: -1;
    pointer-events: none;
    transition: opacity 0.3s ease;
    filter: blur(10px);
}

@media (hover: hover) {
    nav .logo:hover::before {
        opacity: 0.15;
    }
}

@media (hover: hover) {
    nav .logo:hover {
        background: var(--bg-1) !important;
    }
}

/* ===== NAV LOGO & TITLE GLOW ===== */
nav .logo .nav-logo {
    filter: drop-shadow(0 0 5px rgba(255, 255, 255, 0.2)) drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
    transition: filter 0.3s ease;
}

nav .logo:hover .nav-logo {
    filter: drop-shadow(0 0 8px rgba(255, 255, 255, 0.35)) drop-shadow(0 2px 5px rgba(0, 0, 0, 0.25));
}

/* ===== ACTIVE NAV LINK ===== */
/* Applied by JS to the .right-nav link matching the current route (excluding homepage). */
.right-nav a.nav-active {
    color: var(--primary-color) !important;
    font-weight: 700;
}