/* === TOKENS (supplement to critical inline CSS) === */
/* @font-face, reset, :root, body base are in inline <style> for FOUC prevention */

body {
    scrollbar-width: thin;
    scrollbar-color: var(--line) transparent;
}

body::-webkit-scrollbar {
    width: 4px;
}

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

body::-webkit-scrollbar-thumb {
    background: var(--line);
    border-radius: 2px;
}

body::-webkit-scrollbar-thumb:hover {
    background: var(--text-3);
}

::selection {
    background: var(--highlight-selection);
    color: var(--text-1);
}

/* === ACCESSIBILITY === */

/* Skip link (visible only on focus) */
.skip-link {
    position: fixed;
    top: 16px;
    left: 16px;
    /* Off-screen via transform, not top: layout properties never animate (audit DL-6). */
    transform: translateY(calc(-100% - 32px));
    transition: transform 0.2s var(--ease-quart);
    z-index: 999;
    padding: 8px 16px;
    background: var(--text-1);
    color: var(--bg);
    font-family: var(--mono);
    font-size: 12px;
    line-height: 1.3;
    text-decoration: none;
}

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

.skip-link:focus {
    transform: translateY(0);
}

/* Focus indicators for keyboard navigation */
:focus-visible {
    outline: 1px dashed var(--text-2);
    outline-offset: 3px;
}