:root {
    color-scheme: light;
    --font-sans: system-ui, -apple-system, "Segoe UI", sans-serif;
    --font-mono: ui-monospace, "SF Mono", "SFMono-Regular", Menlo, Consolas, monospace;
    --bg: #f6f3ed;
    --paper: #fffdf9;
    --surface: #fffdf9;
    --ink: #23180f;
    --muted: #6f6256;
    --line: rgba(50, 36, 24, 0.14);
    --grid: rgba(50, 36, 24, 0.09);
    --accent: #005c53;
    --accent-soft: rgba(0, 92, 83, 0.08);
    --series: #2a78d6;
    --spark: #9a8d7d;
    --warn: #b24c36;
    --warn-soft: rgba(178, 76, 54, 0.1);
    --good: #2c7a4b;
    --good-soft: rgba(44, 122, 75, 0.1);
    --radius: 10px;
}

@media (prefers-color-scheme: dark) {
    :root {
        color-scheme: dark;
        --bg: #191410;
        --paper: #221c15;
        --surface: #221c15;
        --ink: #f0e8dc;
        --muted: #b0a190;
        --line: rgba(240, 232, 220, 0.16);
        --grid: rgba(240, 232, 220, 0.1);
        --accent: #57bfb2;
        --accent-soft: rgba(87, 191, 178, 0.1);
        --series: #3987e5;
        --spark: #8d8172;
        --warn: #e08a70;
        --warn-soft: rgba(224, 138, 112, 0.14);
        --good: #79c288;
        --good-soft: rgba(121, 194, 136, 0.14);
    }
}

* {
    box-sizing: border-box;
}

/* Author display rules (grid/flex) would otherwise override the UA rule for [hidden]. */
[hidden] {
    display: none !important;
}

/* The page stays unpainted until app.js finishes rendering, so it appears once,
   fully populated — no header-only intermediate frame. */
body[data-loading] .page-shell {
    visibility: hidden;
}

html {
    /* Reserve the scrollbar gutter up front so content does not shift sideways
       when the rendered page becomes taller than the viewport. */
    overflow-y: scroll;
}

body {
    margin: 0;
    color: var(--ink);
    font-family: var(--font-sans);
    font-size: 15px;
    background: var(--bg);
}

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

code, pre {
    font-family: var(--font-mono);
}

.page-shell {
    max-width: 1320px;
    margin: 0 auto;
    padding: 28px 24px 56px;
}

.page-header,
.panel,
.suite-section,
.toolbar {
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

.page-header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 20px 48px;
    padding: 20px 24px;
    margin-bottom: 16px;
}

.page-header h1 {
    margin: 4px 0 0;
    font-size: 1.35rem;
    line-height: 1.2;
    letter-spacing: -0.01em;
}

.eyebrow {
    margin: 0;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent);
}

.panel h2,
.suite-header h2 {
    margin: 0;
    font-size: 1.05rem;
}

.meta-list {
    margin: 0;
    display: grid;
    gap: 6px;
    align-content: start;
    min-width: 300px;
}

.meta-list div {
    display: grid;
    grid-template-columns: 100px minmax(0, 1fr);
    gap: 12px;
    align-items: baseline;
}

dt {
    color: var(--muted);
    font-size: 0.85rem;
}

dd {
    margin: 0;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    overflow-wrap: anywhere;
}

.changes-grid {
    display: grid;
    gap: 16px;
    margin-bottom: 16px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.pr-list {
    margin-bottom: 16px;
}

.group-label,
.empty-state {
    color: var(--muted);
}

.panel,
.suite-section {
    padding: 16px 20px 18px;
}

.panel-header,
.suite-header {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: baseline;
    margin-bottom: 10px;
}

.suite-header span {
    color: var(--muted);
    font-size: 0.88rem;
}

.suite-section {
    margin-bottom: 16px;
}

.toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 12px;
    margin-bottom: 16px;
}

.suite-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.suite-nav a {
    text-decoration: none;
    color: var(--ink);
    background: var(--accent-soft);
    border-radius: 6px;
    padding: 6px 12px;
    font-size: 0.88rem;
}

.suite-nav a:hover {
    text-decoration: underline;
}

.filter-field {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.filter-label {
    color: var(--muted);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.filter-field input {
    font: inherit;
    font-size: 0.9rem;
    color: var(--ink);
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 6px 12px;
    min-width: 220px;
}

.filter-field input:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 1px;
}

.table-wrap {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

.suite-table {
    min-width: 720px;
}

.panel td code {
    overflow-wrap: anywhere;
}

th,
td {
    padding: 8px 10px;
    border-bottom: 1px solid var(--line);
    vertical-align: middle;
    text-align: left;
}

th {
    color: var(--muted);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

td {
    font-size: 0.9rem;
}

/* No divider after the last row of an island. Suite tables end with a (usually
   hidden) detail row, so the preceding benchmark row is cleared as well. */
tbody tr:last-child > td,
tbody tr.benchmark-row:nth-last-child(2) > td {
    border-bottom: none;
}

td.numeric {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    white-space: nowrap;
    font-variant-numeric: tabular-nums;
}

.group-label {
    display: block;
    margin-top: 2px;
    font-size: 0.75rem;
}

td.suite-label {
    color: var(--muted);
    font-size: 0.8rem;
    white-space: nowrap;
}

tr.benchmark-row {
    cursor: pointer;
}

tr.benchmark-row:hover td,
tr.benchmark-row:focus-within td {
    background: var(--accent-soft);
}

.row-toggle {
    font: inherit;
    color: inherit;
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    text-align: left;
    display: inline-flex;
    align-items: baseline;
    gap: 8px;
}

.row-toggle::before {
    content: "▸";
    color: var(--muted);
    font-size: 0.75rem;
    transition: transform 0.15s ease;
}

.row-toggle[aria-expanded="true"]::before {
    transform: rotate(90deg);
}

.row-toggle:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    border-radius: 4px;
}

.delta-improvement {
    color: var(--good);
    background: var(--good-soft);
}

.delta-regression {
    color: var(--warn);
    background: var(--warn-soft);
}

.delta-neutral {
    color: var(--muted);
}

.delta-improvement,
.delta-regression,
.delta-neutral {
    border-radius: 4px;
    padding: 2px 8px;
    display: inline-flex;
    justify-content: center;
    font-size: 0.85rem;
}

.key-swatch {
    display: inline-block;
    width: 9px;
    height: 9px;
    border-radius: 2px;
    margin-right: 6px;
}

.key-kodepoint,
.bar-kodepoint {
    background: var(--series);
}

.key-jvm,
.bar-jvm {
    background: var(--spark);
}

.compare-bars {
    display: grid;
    gap: 2px;
    min-width: 160px;
    max-width: 220px;
}

.compare-bars .bar {
    display: block;
    height: 7px;
    border-radius: 0 3px 3px 0;
}

.sparkline {
    width: 152px;
    height: 36px;
    display: block;
}

.sparkline polyline {
    stroke: var(--spark);
    stroke-width: 2;
    stroke-linejoin: round;
    stroke-linecap: round;
    fill: none;
}

.sparkline .spark-end {
    fill: var(--series);
    stroke: var(--surface);
    stroke-width: 2;
}

.sparkline-empty {
    color: var(--muted);
    font-size: 0.8rem;
}

.detail-row > td {
    padding: 0 10px 14px;
    background: none;
}

.chart-card {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface);
    padding: 12px 16px 8px;
    margin-top: 10px;
}

.chart-card-header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 8px;
    align-items: baseline;
    margin-bottom: 4px;
}

.chart-card-header h3 {
    margin: 0;
    font-size: 0.95rem;
    font-family: var(--font-mono);
    font-weight: 500;
}

.chart-card-header span {
    color: var(--muted);
    font-size: 0.82rem;
}

.chart-wrap {
    position: relative;
}

.chart-wrap svg {
    display: block;
    width: 100%;
    height: auto;
}

.chart-wrap svg:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    border-radius: 6px;
}

.chart-grid line {
    stroke: var(--grid);
    stroke-width: 1;
}

.chart-axis text {
    fill: var(--muted);
    font-family: var(--font-mono);
    font-size: 11px;
}

.chart-band,
.chart-area {
    fill: var(--series);
    opacity: 0.1;
}

.chart-line {
    fill: none;
    stroke: var(--series);
    stroke-width: 2;
    stroke-linejoin: round;
    stroke-linecap: round;
}

.chart-dot {
    fill: var(--series);
    stroke: var(--surface);
    stroke-width: 2;
}

.chart-crosshair {
    stroke: var(--muted);
    stroke-width: 1;
}

.chart-tooltip {
    position: absolute;
    pointer-events: none;
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
    padding: 6px 10px;
    font-size: 0.8rem;
    min-width: 150px;
    z-index: 2;
}

.chart-tooltip .tooltip-value {
    display: block;
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 0.9rem;
}

.chart-tooltip .tooltip-meta {
    display: block;
    color: var(--muted);
    margin-top: 2px;
}

.chart-hint {
    color: var(--muted);
    font-size: 0.75rem;
    margin: 6px 0 4px;
}

.empty-state {
    margin: 0;
    line-height: 1.6;
}

.page-empty {
    padding: 24px;
}

@media (max-width: 1080px) {
    .changes-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 720px) {
    .page-shell {
        padding: 20px 14px 40px;
    }

    .page-header,
    .panel,
    .suite-section {
        padding-left: 16px;
        padding-right: 16px;
    }

    .toolbar {
        padding: 10px;
    }
}