/* === Shared Sidebar Styles === */
.icon-sidebar,
.icon-sidebar-mobile {
    position: fixed;
    z-index: 1030;
    padding: 0.3rem;
    border-radius: 0.5rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--bs-border-color);
    background-color: var(--bs-body-bg);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* === Desktop Sidebar Position === */
.icon-sidebar {
    top: 50%;
    left: 20px;
    transform: translateY(-50%);
}

/* === Desktop Link Styling === */
.icon-sidebar a {
    color: var(--bs-body-color);
    font-size: 1.5rem;
    text-align: center;
}

.icon-sidebar a:hover {
    color: var(--bs-primary);
}

/* === Desktop Theme Toggle Icons === */
.icon-sidebar .bi {
    font-size: 1.1rem;
}

/* === Font Size Buttons === */
.btn-group-vertical .btn {
    font-size: 0.75rem;
    padding: 0.2rem 0.4rem;
}

/* === Mobile Sidebar Styles === */
@media (max-width: 767.98px) {
    .icon-sidebar {
        display: none;
    }

    .icon-sidebar-mobile {
        bottom: 0;
        left: 0;
        right: 0;
        top: auto;
        flex-direction: row;
        justify-content: space-around;
        align-items: center;
        gap: 0.75rem;
        padding: 0.4rem 0.5rem;
        border-top: 1px solid var(--bs-border-color);
        border-radius: 0;
        box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.05);
    }

    .icon-sidebar-mobile a {
        font-size: 1.2rem;
    }

    .icon-sidebar-mobile .btn-group-vertical {
        flex-direction: row;
        gap: 0.25rem;
    }

    .icon-sidebar-mobile .btn-group-vertical .btn {
        font-size: 0.75rem;
        padding: 0.25rem 0.4rem;
    }
}

/* === Theme Toggle (Mobile & Desktop Shared) === */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

/* Normalize form switch size */
.theme-toggle .form-check-input {
    width: 2.2rem;
    height: 1.2rem;
    margin: 0;
}

/* Icon styling */
#sunIcon,
#moonIcon,
#sunIconMobile,
#moonIconMobile {
    font-size: 0.9rem;
    line-height: 1;
    vertical-align: middle;
    transition: opacity 0.2s ease;
}