.ai-action-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    white-space: nowrap;
}

.ai-action-button .wx-nav-icon {
    width: 1rem;
    height: 1rem;
    flex: 0 0 1rem;
}

.ai-flow-map {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr);
    gap: 0.7rem;
    align-items: stretch;
    margin-bottom: 1rem;
}

.ai-flow-step {
    min-width: 0;
    display: flex;
    gap: 0.8rem;
    align-items: flex-start;
    padding: 1rem;
    border: 1px solid var(--color-border-solid);
    border-radius: var(--radius-lg);
    background: #ffffff;
    box-shadow: var(--shadow-sm);
}

.ai-flow-step-active {
    border-color: rgba(15, 118, 110, 0.35);
    background: linear-gradient(180deg, rgba(240, 253, 250, 0.86), #ffffff);
}

.ai-flow-icon,
.ai-empty-icon {
    width: 2.35rem;
    height: 2.35rem;
    flex: 0 0 2.35rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: #ecfdf5;
    color: var(--color-accent);
    border: 1px solid rgba(15, 118, 110, 0.16);
}

.ai-flow-icon .wx-nav-icon,
.ai-empty-icon .wx-nav-icon {
    width: 1.18rem;
    height: 1.18rem;
}

.ai-flow-step h2 {
    margin: 0.1rem 0 0.25rem;
    font-size: 0.98rem;
    line-height: 1.2;
}

.ai-flow-step p {
    margin: 0;
    color: var(--color-text-secondary);
    font-size: 0.86rem;
    line-height: 1.45;
}

.ai-step-index {
    display: block;
    color: var(--color-accent);
    font-size: 0.72rem;
    font-weight: 700;
}

.ai-flow-arrow {
    align-self: center;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    color: #64748b;
}

.ai-flow-arrow .wx-nav-icon {
    width: 1.25rem;
    height: 1.25rem;
}

.ai-workbench {
    display: grid;
    grid-template-columns: minmax(320px, 1.05fr) minmax(320px, 0.95fr);
    gap: 1rem;
    align-items: stretch;
    margin-bottom: 1rem;
}

.ai-card {
    height: 100%;
}

.ai-prompt-shell {
    margin-top: 0.95rem;
}

.ai-prompt-shell label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--color-text-secondary);
    font-size: 0.85rem;
    font-weight: 600;
}

.ai-prompt-input {
    min-height: 10.5rem;
    line-height: 1.55;
}

.ai-submit-row {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    flex-wrap: wrap;
    margin-top: 0.9rem;
}

.ai-save-message {
    display: inline-flex;
    align-items: center;
    min-height: 2rem;
    padding: 0.25rem 0.65rem;
    border-radius: var(--radius-pill);
    background: #f1f5f9;
    color: var(--color-text-secondary);
    font-size: 0.84rem;
    font-weight: 600;
}

.ai-empty-state,
.ai-muted-state {
    min-height: 12.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 1rem;
    color: var(--color-text-secondary);
}

.ai-empty-state h3 {
    margin: 0.85rem 0 0.35rem;
    font-size: 1rem;
}

.ai-empty-state p {
    margin: 0;
    max-width: 28rem;
    line-height: 1.5;
}

.ai-response-shell {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.ai-response-meta {
    display: flex;
    justify-content: space-between;
    gap: 0.75rem;
    align-items: center;
    flex-wrap: wrap;
    color: var(--color-surface-text);
    font-size: 0.85rem;
}

.ai-response-shell p {
    margin: 0;
    padding: 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-solid);
    background: #f8fafc;
    color: var(--color-text-primary);
    line-height: 1.65;
    white-space: pre-line;
}

.ai-history-table {
    border-color: var(--color-border-solid);
}

.ai-table {
    min-width: 880px;
}

.ai-table th,
.ai-table td {
    vertical-align: top;
}

.ai-time {
    color: var(--color-text-secondary);
    font-weight: 600;
    white-space: nowrap;
}

.ai-history-copy {
    display: -webkit-box;
    max-width: 32rem;
    overflow: hidden;
    color: var(--color-text-primary);
    line-height: 1.45;
    white-space: pre-line;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
}

@media (max-width: 1100px) {
    .ai-flow-map {
        grid-template-columns: 1fr;
    }

    .ai-flow-arrow {
        width: 100%;
        height: 1.25rem;
        transform: rotate(90deg);
    }
}

@media (max-width: 900px) {
    .ai-workbench {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .ai-flow-step {
        padding: 0.85rem;
    }

    .ai-flow-step p {
        font-size: 0.82rem;
    }
}