.knowledge-shell {
    width: min(1180px, calc(100% - 32px));
    margin: 20px auto 48px;
}

.knowledge-intro,
.knowledge-card {
    padding: 24px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow);
}

.knowledge-reco-card {
    padding: 14px;
    border: 1px solid var(--border);
    border-left-width: 5px;
    border-radius: var(--radius);
    background: var(--surface-soft);
}

.knowledge-reco-card[data-level="good"] {
    border-left-color: var(--accent);
}

.knowledge-reco-card[data-level="caution"] {
    border-left-color: var(--accent-strong);
}

.knowledge-reco-card[data-level="blocked"] {
    border-left-color: #d33;
}

.knowledge-reco-title {
    color: var(--text);
    font-size: 1.05rem;
}

.knowledge-reco-profile,
.knowledge-reco-detail {
    margin-top: 6px;
    color: var(--muted);
    line-height: 1.45;
}

.knowledge-intro-message {
    margin-top: 10px;
}

.knowledge-model-note {
    margin-top: 48px;
    margin-bottom: 20px;
    max-width: 760px;
    color: var(--muted);
    line-height: 1.6;
}

.knowledge-progress {
    display: none;
}

.knowledge-progress-gap {
    margin: 10px;
}

.knowledge-main {
    margin-top: 20px;
}

.knowledge-search-view,
.knowledge-llm-view {
    display: none;
}

.knowledge-heading {
    margin-bottom: 14px;
    color: var(--text);
    font-size: 1.1rem;
}

.knowledge-toolbar,
.knowledge-prompt-row,
.knowledge-action-row,
.knowledge-topic-row,
.knowledge-query-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.knowledge-toolbar {
    min-height: 44px;
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface-soft);
}

.knowledge-label {
    color: var(--muted);
    font-size: 0.86rem;
    white-space: nowrap;
}

.knowledge-search-input {
    width: min(420px, 100%);
}

.knowledge-panel {
    margin-top: 18px;
    min-height: 420px;
    max-height: calc(100vh - 260px);
    overflow: auto;
    padding: 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--client);
    color: var(--text);
    font-family: "base_font", system-ui, sans-serif;
    line-height: 1.55;
}

.knowledge-chat-head {
    display: grid;
    grid-template-columns: 128px minmax(0, 1fr);
    gap: 16px;
    align-items: center;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface-soft);
}

.knowledge-avatar {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
}

.knowledge-chat-controls {
    display: grid;
    gap: 8px;
    min-width: 0;
}

.knowledge-topic,
.knowledge-query {
    min-width: 0;
    color: var(--text);
}

.knowledge-query {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.knowledge-prompt-input {
    width: min(680px, 100%);
}

.knowledge-action-row {
    flex-wrap: wrap;
}

.knowledge-limited-actions {
    display: inline-flex;
    align-items: center;
}

@media (max-width: 760px) {
    .knowledge-shell {
        width: calc(100% - 18px);
        margin-top: 12px;
    }

    .knowledge-intro,
    .knowledge-card {
        padding: 16px;
    }

    .knowledge-toolbar {
        flex-wrap: wrap;
    }

    .knowledge-search-input {
        width: 100%;
    }

    .knowledge-chat-head {
        grid-template-columns: 1fr;
    }

    .knowledge-avatar {
        width: 96px;
        height: 96px;
    }

    .knowledge-prompt-row {
        align-items: stretch;
        flex-direction: column;
    }
}