/* ── ThemeToggle ──────────────────────────── */
.theme-toggle-btn {
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    display: flex;
    align-items: center;
}

.toggle-track {
    width: 44px;
    height: 24px;
    border-radius: 100px;
    position: relative;
    transition: background 0.35s ease, border-color 0.35s ease;
    border: 1px solid var(--glass-border);
}

.toggle-track.dark {
    background: rgba(109, 92, 255, 0.15);
}

.toggle-track.light {
    background: rgba(251, 191, 36, 0.15);
    border-color: rgba(251, 191, 36, 0.25);
}

.toggle-thumb {
    position: absolute;
    top: 2px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), background 0.35s ease;
}

.toggle-track.dark .toggle-thumb {
    transform: translateX(2px);
    background: var(--accent);
    color: #fff;
}

.toggle-track.light .toggle-thumb {
    transform: translateX(22px);
    background: #f59e0b;
    color: #fff;
}

.theme-toggle-btn:hover .toggle-track {
    box-shadow: 0 0 12px var(--accent-glow);
}