.study-test-countdown {
    --countdown-ink: var(--text-primary, #26231f);
    --countdown-muted: var(--text-secondary, #6c665e);
    --countdown-accent: var(--accent-light, #2d5f4d);
    --countdown-line: var(--border-subtle, #e5ded3);
    --countdown-paper: var(--bg-card, #fffdf9);
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 0 0 24px;
    padding: 16px 20px;
    border: 1px solid var(--countdown-line);
    border-radius: 14px;
    background: var(--countdown-paper);
    color: var(--countdown-ink);
}
.study-test-countdown[hidden] { display: none; }
.ielts-plan .study-test-countdown {
    --countdown-ink: var(--ielts-plan-ink);
    --countdown-muted: var(--ielts-plan-muted);
    --countdown-accent: var(--ielts-plan-green);
    --countdown-line: var(--ielts-plan-line);
    --countdown-paper: var(--ielts-plan-paper);
}
.celpip-plan .study-test-countdown {
    --countdown-ink: var(--celpip-plan-ink);
    --countdown-muted: var(--celpip-plan-muted);
    --countdown-accent: var(--celpip-plan-green);
    --countdown-line: var(--celpip-plan-line);
    --countdown-paper: var(--celpip-plan-paper);
}
.study-test-countdown-icon { width: 28px; height: 28px; flex: 0 0 auto; color: var(--countdown-accent); }
.study-test-countdown-body { flex: 1; min-width: 0; }
.study-test-countdown-reading { display: flex; align-items: baseline; flex-wrap: wrap; gap: 4px 10px; }
.study-test-countdown [data-countdown-value] { font-size: 2rem; line-height: 1.2; letter-spacing: -.04em; font-weight: 750; font-variant-numeric: tabular-nums; color: var(--countdown-accent); }
.study-test-countdown [data-countdown-label] { font-size: .85rem; color: var(--countdown-muted); }
.study-test-countdown-date { display: block; margin-top: 4px; font-size: .76rem; color: var(--countdown-muted); }
.study-test-countdown[data-state="missing"] [data-countdown-value],
.study-test-countdown[data-state="passed"] [data-countdown-value] { font-size: 1.1rem; letter-spacing: -.02em; color: var(--countdown-ink); }
.study-test-countdown[data-state="soon"], .study-test-countdown[data-state="today"] { border-color: var(--countdown-accent); }
.study-test-countdown button { flex: 0 0 auto; min-height: 44px; padding: 8px 12px; border: 1px solid var(--countdown-line); border-radius: 9px; background: transparent; color: var(--countdown-ink); font: inherit; font-size: .8rem; font-weight: 650; cursor: pointer; }
.study-test-countdown button:hover { border-color: var(--countdown-accent); }
.study-test-countdown button:focus-visible { outline: 2px solid var(--countdown-accent); outline-offset: 3px; }
@media (max-width: 480px) {
    .study-test-countdown { gap: 12px; padding: 14px; flex-wrap: wrap; }
    .study-test-countdown button { margin-left: 40px; }
    .study-test-countdown-body { flex-basis: calc(100% - 40px); }
}