.ai-page {
    display: flex;
    flex-direction: column;
    min-height: calc(100vh - 140px);
    gap: 16px;
}

.ai-header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 12px;
    align-items: flex-start;
}

.ai-header-copy {
    min-width: 0;
}

.ai-kicker {
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: #2563eb;
    margin-bottom: 2px;
}

.ai-title {
    margin: 0;
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -.02em;
}

.ai-sub {
    margin-top: 4px;
    color: #718096;
}

.ai-provider-pill {
    display: inline-flex;
    margin-top: 8px;
    padding: 3px 8px;
    border-radius: 999px;
    background: #f1f5f9;
    color: #475569;
    font-size: 11px;
    font-weight: 700;
}

.ai-side-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 4px;
}

.ai-side-heading {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
}

.ai-side-actions {
    display: flex;
    align-items: center;
    gap: 4px;
    flex: 0 0 auto;
}

.ai-side-title {
    font-weight: 800;
    font-size: 13px;
    letter-spacing: .04em;
    text-transform: uppercase;
    color: #334155;
}

.ai-side-count {
    min-width: 22px;
    height: 22px;
    padding: 0 6px;
    border-radius: 999px;
    background: #f1f5f9;
    color: #64748b;
    font-size: 11px;
    font-weight: 800;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.ai-shell {
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 16px;
    min-height: 560px;
}

.ai-side,
.ai-main {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    box-shadow: 0 4px 14px rgba(15, 23, 42, .05);
}

.ai-side {
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    overflow: visible;
}

.ai-conv-row {
    display: flex;
    align-items: stretch;
    gap: 4px;
}

.ai-conv {
    flex: 1;
    min-width: 0;
    width: 100%;
    text-align: left;
    border: 1px solid transparent;
    background: transparent;
    border-radius: 10px;
    padding: 8px 10px;
}

.ai-conv-delete {
    flex: 0 0 auto;
    border: 0;
    background: transparent;
    color: #a0aec0;
    border-radius: 8px;
    padding: 0 8px;
    line-height: 1;
}

.ai-conv-delete:hover:not(:disabled) {
    color: #c53030;
    background: #fff5f5;
}

.ai-conv-delete:disabled {
    opacity: .45;
}

.ai-conv:hover,
.ai-conv.active {
    background: #f7fafc;
    border-color: #e2e8f0;
}

.ai-conv-title {
    font-weight: 700;
    font-size: .9rem;
}

.ai-conv-meta {
    color: #718096;
    font-size: .75rem;
}

.ai-main {
    display: flex;
    flex-direction: column;
    min-height: 560px;
}

.ai-thread {
    flex: 1;
    overflow: auto;
    padding: 18px 20px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.ai-bubble {
    max-width: 80%;
    padding: 12px 14px;
    border-radius: 14px;
    white-space: pre-wrap;
}

.ai-bubble.user {
    margin-left: auto;
    background: #1a365d;
    color: #fff;
}

.ai-bubble.assistant {
    background: #f7fafc;
    border: 1px solid #e2e8f0;
}

.ai-bubble.error {
    background: #fff5f5;
    border-color: #feb2b2;
}

.ai-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 10px;
}

.ai-card {
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 12px;
    background: #fff;
}

.ai-card h4 {
    margin: 0 0 2px;
    font-size: 1rem;
}

.ai-card .meta {
    color: #718096;
    font-size: .82rem;
    margin-bottom: 8px;
}

.ai-card dl {
    margin: 0;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 2px 10px;
    font-size: .82rem;
}

.ai-card dt {
    color: #718096;
}

.ai-card-wide {
    grid-column: 1 / -1;
}

.ai-card-actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
}

.ai-inline {
    display: flex;
    gap: 8px;
    align-items: center;
    margin: 8px 0;
}

.ai-inline .form-select {
    max-width: 360px;
}

.ai-table {
    margin-bottom: 0;
    font-size: .82rem;
}

.ai-composer-wrap {
    border-top: 1px solid #edf2f7;
}

.ai-attach {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    padding: 10px 12px 0;
}

.ai-attach .form-control {
    max-width: 280px;
}

.ai-composer {
    display: flex;
    gap: 8px;
    padding: 12px;
}

.ai-composer textarea {
    flex: 1;
    min-height: 46px;
    resize: vertical;
}

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