.rules-layout {
    display: grid;
    grid-template-columns: 270px minmax(0, 1fr);
    gap: var(--space-2xl);
    align-items: start;
}

.rules-sidebar {
    position: sticky;
    top: calc(var(--navbar-height) + 1rem);
    padding: 1.4rem;
}

.rules-sidebar h3 {
    margin-bottom: 1rem;
}

.rules-nav {
    display: grid;
    gap: 0.55rem;
}

.rules-nav-link {
    display: block;
    padding: 0.9rem 1rem;
    border-radius: 16px;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.025);
    border: 1px solid transparent;
    transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.rules-nav-link:hover,
.rules-nav-link.active {
    color: var(--text-primary);
    border-color: rgba(var(--accent-secondary-rgb), 0.2);
    background: rgba(var(--accent-primary-rgb), 0.1);
    transform: translateX(3px);
}

.rules-content {
    display: grid;
    gap: 1rem;
}

.rules-intro {
    padding: 1.5rem;
}

.rules-card {
    padding: 0;
}

.rules-card-header {
    padding: 1.25rem 1.4rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    justify-content: space-between;
}

.rules-card-header button {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    text-align: left;
}

.rules-card-title {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.rules-card-index {
    width: 46px;
    height: 46px;
    border-radius: 16px;
    display: grid;
    place-items: center;
    background: rgba(var(--accent-secondary-rgb), 0.1);
    color: var(--accent-secondary);
    font-family: var(--font-display);
    font-size: 1rem;
}

.accordion-indicator {
    flex-shrink: 0;
    width: 38px;
    height: 38px;
    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    display: grid;
    place-items: center;
    color: var(--text-secondary);
    transition: transform var(--transition-base), color var(--transition-base), border-color var(--transition-base);
}

.rules-card.open .accordion-indicator {
    transform: rotate(45deg);
    color: var(--accent-secondary);
    border-color: rgba(var(--accent-secondary-rgb), 0.24);
}

.accordion-panel {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
}

.accordion-panel-inner {
    padding: 0 1.4rem 1.4rem;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    display: grid;
    gap: 0.9rem;
}

.rule-line {
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.rule-line:last-child {
    border-bottom: 0;
}

.rule-line strong {
    display: block;
    margin-bottom: 0.35rem;
    color: var(--text-primary);
}

.sanctions-table {
    width: 100%;
    border-collapse: collapse;
}

.sanctions-table th,
.sanctions-table td {
    padding: 1rem 0.85rem;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.sanctions-table th {
    color: var(--accent-secondary);
    font-family: var(--font-heading);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

@media (max-width: 980px) {
    .rules-layout {
        grid-template-columns: 1fr;
    }

    .rules-sidebar {
        position: static;
    }
}