/* LuminaAIDivine — shared sidebar navigation (desktop + mobile) */

.sidebar-nav {
    position: fixed;
    left: 2rem;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2147483646;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    min-width: 2.75rem;
    min-height: 2.75rem;
    text-decoration: none;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    transition: border-color 0.2s, transform 0.15s, background 0.2s;
}

.sidebar-nav a:active {
    transform: scale(0.92);
    border-color: var(--primary, #8b5cf6);
}

.main-content {
    margin-left: 8rem;
    padding: 2rem;
}

@media (max-width: 1024px) {
    .sidebar-nav {
        left: 0;
        right: 0;
        top: auto;
        bottom: 0;
        width: 100%;
        max-width: 100vw;
        transform: none;
        flex-direction: row;
        justify-content: space-evenly;
        align-items: stretch;
        gap: 0.35rem;
        padding: 0.5rem 0.5rem;
        padding-bottom: max(0.5rem, env(safe-area-inset-bottom));
        background: rgba(15, 23, 42, 0.92);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-top: 1px solid rgba(255, 255, 255, 0.12);
        box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.4);
    }

    .sidebar-nav a {
        flex: 1 1 0;
        min-width: 0;
        padding: 0.5rem 0.25rem;
        min-height: 2.75rem;
        border-radius: 0.75rem;
    }

    .sidebar-nav a:hover,
    .sidebar-nav .mystic-card:hover,
    .sidebar-nav .glass-card:hover {
        transform: none;
        box-shadow: none;
    }

    .sidebar-nav a svg {
        width: 1.375rem;
        height: 1.375rem;
    }

    .main-content {
        margin-left: 0;
        margin-bottom: calc(4.25rem + env(safe-area-inset-bottom, 0px));
    }
}

@media (max-width: 380px) {
    .sidebar-nav {
        gap: 0.2rem;
        padding-left: 0.35rem;
        padding-right: 0.35rem;
    }

    .sidebar-nav a {
        padding: 0.4rem 0.15rem;
        border-radius: 0.5rem;
    }

    .sidebar-nav a svg {
        width: 1.25rem;
        height: 1.25rem;
    }
}