:root {
    color-scheme: light;
    --page: #f4f3f0;
    --card: #fcfcfb;
    --border: #e4e2dd;
    --track: #ecebe7;
    --ink: #0b0b0b;
    --ink-2: #52514e;
    --classic: #eb6834;
    --new: #2a78d6;
}
@media (prefers-color-scheme: dark) {
    :root {
        color-scheme: dark;
        --page: #111110;
        --card: #1a1a19;
        --border: #2e2e2c;
        --track: #262624;
        --ink: #ffffff;
        --ink-2: #c3c2b7;
        --classic: #d95926;
        --new: #3987e5;
    }
}

* {
    box-sizing: border-box;
}
body {
    margin: 0;
    background: var(--page);
    color: var(--ink);
    font: 16px/1.45 ui-sans-serif, -apple-system, 'Segoe UI', Roboto, sans-serif;
}
main {
    max-width: 820px;
    margin: 0 auto;
    padding: 40px 20px 56px;
}
h1 {
    margin: 0;
    font-size: 28px;
}
.meta,
.note {
    color: var(--ink-2);
    font-size: 14px;
    margin: 4px 0 0;
}
.note {
    margin-top: 20px;
}

.cols {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 24px;
}
.col {
    background: var(--card);
    border: 1px solid var(--border);
    border-top: 4px solid var(--classic);
    border-radius: 6px;
    padding: 20px;
    --c: var(--classic);
}
.col.new {
    border-top-color: var(--new);
    --c: var(--new);
}
h2 {
    margin: 0 0 16px;
    font-size: 18px;
}

.step {
    margin-bottom: 16px;
}
.n {
    font-size: 36px;
    font-weight: 700;
    line-height: 1;
    font-variant-numeric: tabular-nums;
}
.what {
    color: var(--ink-2);
    font-size: 14px;
    margin: 4px 0 6px;
}
.bar {
    height: 10px;
    background: var(--track);
    border-radius: 0 4px 4px 0;
}
.bar span {
    display: block;
    height: 100%;
    background: var(--c);
    border-radius: 0 4px 4px 0;
}

.result {
    margin: 20px 0 0;
    padding-top: 14px;
    border-top: 1px solid var(--border);
    font-size: 15px;
}
.result b {
    font-size: 22px;
}

@media (max-width: 600px) {
    .cols {
        grid-template-columns: 1fr;
    }
}

/* Engagement page: one card per question, paired classic/new bars per metric. */
.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 20px;
    margin-top: 20px;
}
.card h2 {
    margin-bottom: 4px;
}
.card .meta {
    margin-bottom: 16px;
}
.legend {
    display: flex;
    gap: 16px;
    margin-top: 16px;
    font-size: 14px;
    color: var(--ink-2);
}
.legend i {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 2px;
    margin-right: 6px;
    vertical-align: -1px;
}
.metric {
    margin-bottom: 14px;
}
.metric .what {
    color: var(--ink);
    font-weight: 600;
    margin-bottom: 4px;
}
.pair {
    display: grid;
    grid-template-columns: 70px 1fr 64px;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--ink-2);
    margin: 3px 0;
}
.pair .bar span {
    background: var(--classic);
}
.pair.new .bar span {
    background: var(--new);
}
.pair b {
    color: var(--ink);
    text-align: right;
    font-variant-numeric: tabular-nums;
}

/* Onboarding step-by-step: one row per screen, bar = share of everyone who started. */
.srow {
    display: grid;
    grid-template-columns: 250px 1fr 56px;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    margin: 6px 0;
}
.srow .bar span {
    background: var(--new);
}
.srow b {
    text-align: right;
    font-variant-numeric: tabular-nums;
}
.srow.sub {
    color: var(--ink-2);
}
.srow.sub .bar span {
    opacity: 0.45;
}
.lost {
    color: var(--classic);
    font-size: 13px;
    font-weight: 600;
    margin: 2px 0 8px 260px;
}
table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
    margin-top: 8px;
}
th,
td {
    text-align: left;
    padding: 6px 4px;
    border-bottom: 1px solid var(--border);
}
th {
    color: var(--ink-2);
    font-weight: 600;
}
td.num,
th.num {
    text-align: right;
    font-variant-numeric: tabular-nums;
}
@media (max-width: 600px) {
    .srow {
        grid-template-columns: 1fr 48px;
    }
    .srow .bar {
        grid-column: 1 / -1;
        grid-row: 2;
    }
    .lost {
        margin-left: 0;
    }
}