* { box-sizing: border-box; }
[hidden] { display: none !important; }
:root { --bg-color: #fff; --text-color: #171717; --font-stack: "Courier New", Courier, monospace; }
body { margin: 0; background: var(--bg-color); color: var(--text-color); font-family: var(--font-stack); }
a { color: inherit; text-underline-offset: 3px; }
a:hover { background: #f0f0f0; }
a:focus-visible, select:focus-visible, summary:focus-visible, button:focus-visible { outline: 2px solid #2456a6; outline-offset: 4px; }
.site-nav { display: flex; flex-wrap: wrap; gap: 1rem; margin: 1rem 0 2rem; font-size: .9rem; }
.header-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem 2rem; flex-wrap: wrap; }
.header-row .primary-nav { margin: 0; }
.primary-nav [aria-current="page"] { font-weight: bold; text-decoration: none; }
.experiment-nav { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.5rem; padding: 1.25rem 0; border-top: 1px solid #ccc; border-bottom: 1px solid #ccc; font-size: .85rem; }
.nav-group-title { margin: 0 0 .75rem; font-size: .75rem; font-weight: bold; text-transform: uppercase; letter-spacing: .04em; }
.experiment-nav ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .6rem; }
.experiment-nav a { display: inline-block; line-height: 1.4; }
.notice { border: 1px solid #ccc; border-left: 3px solid #171717; padding: 1rem 1.2rem; line-height: 1.6; background: #fafafa; }
.notice p { margin: .35rem 0; font-size: .9rem; }
.muted { color: #555; font-size: .85rem; }
.dashboard { max-width: 1080px; padding: 2rem; margin: auto; }
.dashboard h1 { font-size: 1.5rem; font-weight: normal; display: inline-block; border-bottom: 1px solid; padding-bottom: .5rem; margin-bottom: 1rem; }
.dashboard .intro { max-width: 780px; line-height: 1.7; margin-bottom: 1.5rem; }
.dashboard h2 { font-size: 1.1rem; margin: 0 0 .6rem; }
.result-section { margin-top: 3rem; scroll-margin-top: 2rem; }
.result-section > p { font-size: .9rem; line-height: 1.6; max-width: 780px; }
.table-container { max-width: 100%; overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .9rem; }
caption { text-align: left; color: #555; font-size: .8rem; padding-bottom: .8rem; }
th, td { padding: .7rem .65rem; text-align: left; border-bottom: 1px dashed #ccc; vertical-align: top; }
th { border-bottom: 1px solid #171717; font-size: .8rem; }
td.numeric { font-variant-numeric: tabular-nums; white-space: nowrap; }
tbody tr:hover { background: #fafafa; }
.dashboard footer { margin: 4rem 0 1rem; border-top: 1px solid #ccc; padding-top: 1rem; font-size: .8rem; display: flex; flex-wrap: wrap; gap: 1rem; color: #555; }
#loadStatus { margin-top: 2rem; line-height: 1.6; }
@media (max-width: 600px) {
    .dashboard { padding: 1.25rem; }
    .header-row { display: block; }
    .header-row .primary-nav { margin: .25rem 0 1.5rem; }
    .experiment-nav { grid-template-columns: 1fr; }
    .experiment-nav ul { display: flex; flex-wrap: wrap; gap: .6rem 1.25rem; }
    th, td { padding: .6rem .4rem; }
    td a { overflow-wrap: anywhere; }
    body { padding: 1.25rem; }
    body:has(.dashboard) { padding: 0; }
    .llm-identity { flex-wrap: wrap; font-size: 1rem; }
    select.model-selector { max-width: 100%; font-size: 1rem; }
    .chart-wrapper { height: 340px; }
    .chart-wrapper:has(> div) { flex-direction: column; height: 680px; }
    .chart-wrapper > div { min-height: 0; position: relative; }
}
@media (prefers-reduced-motion: reduce) { *, *::after { animation: none !important; } }