/* --- Reset & Defaults --- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* --- Typography --- */
h1,
h2,
h3,
h4 {
    color: var(--text-primary);
    font-weight: 500;
}

h1 {
    font-size: 1.75rem;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 1.375rem;
}

h3 {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

/* --- Scrollbar (WebKit) --- */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-default);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-strong);
}