*,
*::before,
*::after {
    box-sizing: border-box;
}

html,
body {
    height: 100%;
}

body {
    margin: 0;
    font-family: var(--font);
    font-size: var(--fs-md);
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
p,
figure,
ul,
ol {
    margin: 0;
}

ul,
ol {
    padding: 0;
    list-style: none;
}

a {
    color: var(--brand);
}

button,
input,
select,
textarea {
    font: inherit;
    color: inherit;
}

:focus-visible {
    outline: 2px solid var(--brand);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* Sin foco visible al hacer click, sí al tabular. */
:focus:not(:focus-visible) {
    outline: none;
}

mark {
    background: var(--mark-bg);
    color: var(--mark-text);
    border-radius: 2px;
    padding: 0 1px;
}

code,
pre,
.mono {
    font-family: var(--font-mono);
    font-size: 0.92em;
}

pre {
    margin: 0;
    white-space: pre-wrap;
    word-break: break-word;
}

hr {
    border: 0;
    border-top: 1px solid var(--border);
    margin: var(--sp-4) 0;
}

::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--border-strong);
    border-radius: 6px;
    border: 2px solid var(--bg);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-faint);
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0;
}

@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}