.instrument-training-page.active {
    height: 100%;
    min-height: 0;
}

.instrument-training-shell {
    display: grid;
    grid-template-columns: minmax(280px, 360px) minmax(0, 1fr);
    gap: 1rem;
    height: 100%;
    min-height: 0;
}

.instrument-briefing-card {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    min-height: 0;
    padding: 1.25rem;
}

.instrument-training-intro {
    color: var(--text-secondary, #8fa1b7);
    margin: 0;
}

.instrument-mode-switch {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: .4rem;
}

.instrument-mode-switch .btn {
    padding-inline: .45rem;
    font-size: .78rem;
}

.instrument-instruction-box {
    padding: 1rem;
    border: 1px solid rgba(65, 192, 255, .25);
    border-radius: .75rem;
    background: rgba(5, 17, 31, .64);
}

.instrument-instruction-box p {
    min-height: 4.5rem;
    margin: .55rem 0 1rem;
    color: #f4f7fb;
    font-size: 1.08rem;
    line-height: 1.55;
}

.instrument-training-result {
    flex: 1;
    min-height: 5rem;
}

.instrument-training-result .result-card {
    padding: .85rem 1rem;
    border-radius: .7rem;
    border: 1px solid rgba(255, 193, 7, .32);
    background: rgba(255, 193, 7, .08);
}

.instrument-training-result .result-card.passed {
    border-color: rgba(36, 208, 136, .42);
    background: rgba(36, 208, 136, .1);
}

.instrument-training-result ul { margin: .55rem 0 0; padding-left: 1.2rem; }

.instrument-training-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .65rem;
}

.instrument-training-mount {
    min-width: 0;
    min-height: 0;
    overflow: auto;
}

.instrument-training-mount .radio-instrument-panel {
    margin-top: 0 !important;
    min-height: 100%;
}

.instrument-training-mount .instrument-help { display: none; }

@media (max-width: 1199px) {
    .instrument-training-page.active { height: auto; }
    .instrument-training-shell { grid-template-columns: 1fr; height: auto; }
    .instrument-training-mount { overflow: visible; }
}

@media (max-width: 600px) {
    .instrument-mode-switch,
    .instrument-training-actions { grid-template-columns: 1fr; }
}