.simulation-launch,
.simulation-attempt__header,
.simulation-submit-panel,
.simulation-result__header {
    display: flex;
    justify-content: space-between;
    gap: 1.5rem;
    align-items: flex-start;
}

.simulation-launch {
    margin-block: 2rem;
    padding: clamp(1.25rem, 3vw, 2rem);
    border: 1px solid var(--border-color);
    border-radius: 1.25rem;
    background: var(--surface-color);
}

.simulation-launch__content { width: 100%; }
.simulation-launch__actions,
.simulation-result__actions,
.workflow-actions {
    display: flex;
    flex-wrap: wrap;
    gap: .75rem;
    align-items: center;
}

.simulation-rules,
.simulation-score-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr));
    gap: .75rem;
    margin-block: 1.25rem;
}

.simulation-rules > div,
.simulation-score-card {
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    background: var(--surface-muted-color, var(--surface-color));
}

.simulation-rules dt,
.simulation-score-card span,
.simulation-score-card small { display: block; opacity: .76; }
.simulation-rules dd { margin: .35rem 0 0; font-weight: 700; }

.simulation-rules--capacity {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-bottom: .75rem;
}

.simulation-rule-card {
    position: relative;
    min-height: 9.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: .45rem;
    overflow: hidden;
}

.simulation-rule-card::after {
    content: '';
    position: absolute;
    inset-inline-end: -2.5rem;
    inset-block-start: -2.5rem;
    width: 7rem;
    aspect-ratio: 1;
    border-radius: 999px;
    background: currentColor;
    opacity: .045;
    pointer-events: none;
}

.simulation-rule-card--primary {
    border-color: color-mix(in srgb, currentColor 22%, var(--border-color));
}

.simulation-rule-card__value {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: .5rem;
}

.simulation-rule-card__value strong {
    font-size: clamp(2rem, 5vw, 3.25rem);
    line-height: 1;
    letter-spacing: -.04em;
    font-variant-numeric: tabular-nums;
}

.simulation-rule-card__value span {
    font-weight: 800;
}

.simulation-rule-card small {
    display: block;
    max-width: 32rem;
    line-height: 1.5;
    opacity: .72;
}

.simulation-capacity-note {
    margin: 0 0 1.25rem;
    padding: .9rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: .9rem;
    background: var(--surface-muted-color, var(--surface-color));
    line-height: 1.6;
    font-weight: 600;
}

.simulation-attempt,
.simulation-result,
.simulation-correction { padding-block: 2rem 4rem; }

.simulation-attempt__header,
.simulation-result__header { margin-bottom: 1.25rem; }

.simulation-timer {
    min-width: 9rem;
    padding: 1rem 1.25rem;
    text-align: center;
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    background: var(--surface-color);
    position: sticky;
    top: 1rem;
}

.simulation-timer span,
.simulation-timer strong { display: block; }
.simulation-timer strong { margin-top: .25rem; font-size: 1.65rem; font-variant-numeric: tabular-nums; }

.simulation-save-state {
    min-height: 2.5rem;
    padding: .65rem 1rem;
    border-radius: .75rem;
    background: var(--surface-muted-color, var(--surface-color));
    margin-bottom: 1rem;
}
.simulation-save-state[data-state="saving"] { font-weight: 700; }
.simulation-save-state[data-state="error"] { border: 1px solid currentColor; }

.simulation-question-nav {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
    margin-bottom: 1rem;
}

.simulation-question-nav__button {
    width: 2.75rem;
    height: 2.75rem;
    border: 1px solid var(--border-color);
    border-radius: .8rem;
    background: var(--surface-color);
    color: inherit;
    font-weight: 700;
    cursor: pointer;
}
.simulation-question-nav__button.is-answered { box-shadow: inset 0 -4px 0 currentColor; }
.simulation-question-nav__button.is-current { outline: 3px solid currentColor; outline-offset: 2px; }

.simulation-question {
    padding: clamp(1.25rem, 3vw, 2rem);
    border: 1px solid var(--border-color);
    border-radius: 1.25rem;
    background: var(--surface-color);
}
.simulation-question[hidden] { display: none; }
.simulation-question__meta { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; margin-bottom: 1rem; }
.simulation-question h2 { max-width: 60rem; line-height: 1.45; }

.simulation-options { display: grid; gap: .75rem; border: 0; padding: 0; margin: 1.5rem 0; }
.simulation-option {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: .8rem;
    align-items: flex-start;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    cursor: pointer;
}
.simulation-option:has(input:checked) { outline: 2px solid currentColor; }
.simulation-option input { margin-top: .25rem; }
.simulation-question__actions { display: flex; flex-wrap: wrap; gap: .75rem; justify-content: space-between; }
.simulation-submit-panel { margin-top: 1.25rem; padding: 1.25rem; border: 1px solid var(--border-color); border-radius: 1rem; }

.simulation-score-grid { margin-block: 1.5rem; }
.simulation-score-card strong { display: block; margin-block: .35rem; font-size: 1.75rem; }
.simulation-score-card--primary { grid-column: span 2; }

.simulation-correction__list { display: grid; gap: 1rem; }
.correction-card { padding: 1.25rem; border: 1px solid var(--border-color); border-radius: 1rem; background: var(--surface-color); }
.correction-card__answers { display: grid; gap: .75rem; }
.correction-card__answers > div { padding: .85rem; border-radius: .75rem; background: var(--surface-muted-color, var(--surface-color)); }
.correction-card__answers dt { font-weight: 700; }
.correction-card__answers dd { margin: .3rem 0 0; }
.correction-card__explanation { margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--border-color); }

.simulation-editorial-summary { display: grid; gap: 1rem; }
.translation-panel { display: grid; gap: 1rem; margin-block: 1rem; padding: 1rem; border: 1px solid var(--border-color); border-radius: 1rem; }
.editorial-form--compact { display: grid; gap: .75rem; }

@media (max-width: 720px) {
    .simulation-launch,
    .simulation-attempt__header,
    .simulation-submit-panel,
    .simulation-result__header { flex-direction: column; }
    .simulation-timer { position: static; width: 100%; }
    .simulation-score-card--primary { grid-column: span 1; }
    .simulation-rules--capacity { grid-template-columns: 1fr; }
    .simulation-rule-card { min-height: 0; }
    .simulation-question__actions .button { flex: 1 1 8rem; }
}


body.simulation-presence-open {
    overflow: hidden;
}

body.simulation-presence-open .simulation-option:has(input:checked) {
    outline-color: transparent;
}

.simulation-presence-overlay {
    position: fixed;
    inset: 0;
    z-index: 1400;
    display: grid;
    place-items: center;
    padding: 1rem;
    background: rgba(17, 17, 17, .58);
}

.simulation-presence-overlay[hidden] {
    display: none;
}

.simulation-presence-dialog {
    width: min(38rem, 100%);
    padding: clamp(1.25rem, 4vw, 2rem);
    border: 1px solid var(--border-color);
    border-radius: 1.25rem;
    background: var(--surface-color);
    box-shadow: 0 1.5rem 4rem rgba(0, 0, 0, .24);
}

.simulation-presence-dialog h2 {
    margin-block: .35rem .75rem;
}

.simulation-presence-dialog__timer-note {
    margin-block: 1rem;
    font-weight: 700;
}

@media (max-width: 720px) {
    .simulation-presence-dialog .button {
        width: 100%;
    }
}