/* Vocabulary Size Test (C16). Uses main.css :root tokens; dark theme follows
   the token overrides under [data-theme="dark"] automatically. */

.tool-layout--vocab-test {
    max-width: 52rem;
    margin: 0 auto;
    padding: 0 1rem;
}

.vocab-test__panel {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 1.5rem;
    margin: 1.25rem 0;
}

.vocab-test__note {
    color: var(--color-text-secondary);
    font-size: var(--fs-4);
}

.vocab-test__progress {
    font-size: var(--fs-4);
    color: var(--color-text-secondary);
    margin-bottom: 0.5rem;
}

.vocab-test__progress-track {
    height: 6px;
    border-radius: 3px;
    background: var(--color-bg-alt);
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.vocab-test__progress-fill {
    height: 100%;
    background: var(--color-accent);
    transition: width 120ms ease-out;
}

@media (prefers-reduced-motion: reduce) {
    .vocab-test__progress-fill {
        transition: none;
    }
}

.vocab-test__word {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 6vw, 3.25rem);
    text-align: center;
    letter-spacing: 0.03em;
    margin: 1.5rem 0;
    outline: none;
}

.vocab-test__answers {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    flex-wrap: wrap;
}

.vocab-test__answer-btn kbd {
    margin-left: 0.4rem;
    padding: 0.05rem 0.35rem;
    border: 1px solid currentColor;
    border-radius: 4px;
    font-size: 0.75em;
}

.vocab-test__hint {
    text-align: center;
    color: var(--color-text-muted);
    font-size: var(--fs-5);
    margin-top: 1rem;
}

.vocab-test__estimate {
    font-family: var(--font-heading);
    font-size: var(--fs-1);
    line-height: var(--lh-tight);
    margin: 0.5rem 0;
}

.vocab-test__estimate-note,
.vocab-test__provenance {
    color: var(--color-text-secondary);
    font-size: var(--fs-4);
}

.vocab-test__bands {
    display: grid;
    gap: 0.5rem;
    margin: 1rem 0;
}

.vocab-test__band {
    display: grid;
    grid-template-columns: minmax(9rem, 14rem) 1fr auto;
    align-items: center;
    gap: 0.75rem;
    font-size: var(--fs-4);
}

.vocab-test__band-track {
    display: block;
    height: 14px;
    border-radius: 7px;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    overflow: hidden;
}

.vocab-test__band-fill {
    display: block;
    height: 100%;
    background: var(--color-accent);
}

.vocab-test__band-value {
    font-variant-numeric: tabular-nums;
    color: var(--color-text-secondary);
}

.vocab-test__actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin: 1.25rem 0 0.5rem;
}

.vocab-test__study-list {
    list-style: none;
    padding: 0;
    display: grid;
    gap: 0.75rem;
}

.vocab-test__study-band,
.vocab-test__history-build {
    color: var(--color-text-muted);
    font-size: var(--fs-5);
}

.vocab-test__study-gloss {
    color: var(--color-text-secondary);
    font-size: var(--fs-4);
}

.vocab-test__history ul,
#vt-history {
    padding-left: 1.25rem;
}

@media (max-width: 32rem) {
    .vocab-test__band {
        grid-template-columns: 1fr;
        gap: 0.25rem;
    }
}