.topology-shell {
    width: min(1660px, 100%);
}

.topology-mode-strip {
    width: min(100%, 760px);
}

.topology-purpose-panel,
.topology-summary-strip {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 12px;
    align-items: center;
    padding: 12px;
    border: 1px solid rgba(73, 199, 184, 0.28);
    border-radius: 8px;
    background: rgba(12, 18, 20, 0.78);
}

.topology-purpose-panel h2,
.topology-purpose-panel p {
    margin: 0;
}

.topology-purpose-panel p:not(.eyebrow) {
    margin-top: 6px;
    color: var(--muted);
    line-height: 1.42;
}

.topology-summary-strip {
    grid-template-columns: repeat(4, minmax(150px, 1fr));
    padding: 0;
    border: 0;
    background: transparent;
}

.topology-summary-strip div {
    min-width: 0;
    padding: 9px 10px;
    border: 1px solid rgba(225, 232, 225, 0.12);
    border-radius: 8px;
    background: rgba(13, 16, 20, 0.82);
}

.topology-summary-strip dt {
    color: var(--muted);
    font-size: 10px;
    font-weight: 950;
    text-transform: uppercase;
}

.topology-summary-strip dd {
    margin: 4px 0 0;
    overflow-wrap: anywhere;
    color: var(--text);
    font-size: 14px;
    font-weight: 850;
}

.topology-config-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
}

.field-label {
    display: grid;
    gap: 6px;
    color: var(--muted);
    font-size: 12px;
    font-weight: 900;
}

.field-label input,
.field-label select {
    width: 100%;
    padding: 7px 9px;
}

.model-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 8px;
}

.model-info-card,
.topology-choice-card {
    display: grid;
    gap: 8px;
    min-width: 0;
    padding: 10px;
    border: 1px solid rgba(225, 232, 225, 0.13);
    border-radius: 8px;
    background: rgba(9, 11, 14, 0.45);
}

.model-info-card h3,
.subheading {
    margin: 0;
    color: var(--accent);
    font-size: 13px;
}

.model-info-card p,
.topology-choice-card p {
    margin: 0;
    color: var(--muted);
    font-size: 12px;
    line-height: 1.38;
}

.topology-choice-card.is-disabled {
    opacity: 0.48;
}

.topology-choice-head {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto auto;
    gap: 8px;
    align-items: start;
}

.topology-choice-head label {
    display: inline-grid;
    grid-auto-flow: column;
    gap: 5px;
    align-items: center;
    color: var(--text);
    font-size: 12px;
    font-weight: 900;
}

.exactness-pill {
    display: inline-flex;
    width: fit-content;
    min-height: 22px;
    align-items: center;
    padding: 3px 7px;
    border: 1px solid rgba(215, 180, 93, 0.34);
    border-radius: 999px;
    background: rgba(215, 180, 93, 0.1);
    color: #ffe7ac;
    font-size: 11px;
    font-weight: 900;
}

.compact-observable-list {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.topology-visual-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(220px, 1fr));
    gap: 8px;
}

.topology-mini-chart {
    display: flex;
    align-items: end;
    gap: 5px;
    min-height: 130px;
    margin-top: 10px;
}

.topology-mini-chart span {
    flex: 1;
    min-width: 8px;
    border-radius: 4px 4px 0 0;
    background: linear-gradient(180deg, var(--accent), rgba(73, 199, 184, 0.15));
}

.difference-list {
    display: grid;
    gap: 8px;
    margin-top: 8px;
}

.difference-list p {
    margin: 0;
    color: var(--muted);
    font-size: 12px;
    line-height: 1.4;
}

.side-card-badge {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

body[data-compare-mode="guided"] .advanced-field,
body[data-compare-mode="guided"] #modelCards,
body[data-compare-mode="guided"] #ruleMetadata {
    display: none;
}

body[data-compare-mode="guided"] .topology-purpose-panel {
    border-color: rgba(215, 180, 93, 0.44);
}

@media (max-width: 1180px) {
    .topology-purpose-panel,
    .topology-config-grid,
    .topology-summary-strip,
    .topology-visual-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 720px) {
    .topology-purpose-panel,
    .topology-config-grid,
    .topology-summary-strip,
    .topology-visual-grid {
        grid-template-columns: 1fr;
    }

    .topology-purpose-panel .run-actions {
        display: grid;
        grid-template-columns: 1fr;
    }

    .topology-choice-head {
        grid-template-columns: 1fr;
    }
}