.ai-chart-builder {
    min-height: calc(100vh - 64px);
    padding: 20px 24px 24px;
    background: var(--csi-bg);
    color: var(--csi-text);
}

.ai-chart-builder h1,
.ai-chart-builder h2,
.ai-chart-builder p {
    margin: 0;
}

.ai-chart-builder h1 {
    color: var(--csi-heading);
    font-size: 1.45rem;
    font-weight: 800;
}

.ai-chart-builder h2 {
    color: var(--csi-heading);
    font-size: 0.95rem;
    font-weight: 800;
}

.ai-chart-builder__header,
.ai-chart-builder__panel {
    background: var(--csi-surface);
    border: 1px solid var(--csi-border);
    border-radius: var(--csi-radius);
    box-shadow: var(--csi-shadow-soft);
}

.ai-chart-builder__header {
    max-width: 1440px;
    margin: 0 auto 12px;
    padding: 16px 20px;
}

.ai-chart-builder__subtitle {
    margin-top: 4px;
    color: var(--csi-muted);
    font-size: 0.92rem;
}

.ai-chart-builder__pilot-notice {
    max-width: 1440px;
    margin: 0 auto 12px;
    border-radius: var(--csi-radius);
    font-size: 0.88rem;
}

.ai-chart-builder__workspace {
    display: grid;
    grid-template-columns: minmax(280px, 0.85fr) minmax(300px, 0.95fr) minmax(480px, 1.45fr);
    gap: 12px;
    max-width: 1440px;
    margin: 0 auto;
    align-items: start;
}

.ai-chart-builder__panel {
    min-width: 0;
    padding: 14px 16px;
}

.ai-chart-builder__panel-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 10px;
}

.ai-chart-builder__panel-kicker {
    display: inline-flex;
    align-items: center;
    min-height: 22px;
    padding: 2px 8px;
    border: 1px solid var(--csi-border);
    border-radius: 999px;
    color: var(--csi-muted-strong);
    background: var(--csi-surface-muted);
    font-size: 0.72rem;
    font-weight: 800;
    text-transform: uppercase;
}

.ai-chart-builder__chat-log {
    height: 390px;
    min-height: 390px;
    overflow-y: auto;
    padding: 10px;
    border: 1px solid var(--csi-border);
    border-radius: 7px;
    background: var(--csi-surface-muted);
}

.ai-chart-builder__message {
    padding: 9px 10px;
    border: 1px solid var(--csi-border);
    border-radius: 7px;
    background: var(--csi-surface);
}

.ai-chart-builder__message + .ai-chart-builder__message {
    margin-top: 8px;
}

.ai-chart-builder__message strong {
    display: block;
    margin-bottom: 3px;
    color: var(--csi-muted-strong);
    font-size: 0.74rem;
    text-transform: uppercase;
}

.ai-chart-builder__message p {
    color: var(--csi-text);
    font-size: 0.84rem;
    line-height: 1.35;
}

.ai-chart-builder__message--user {
    border-color: #bfdbfe;
    background: #eff6ff;
}

.ai-chart-builder__message--typing {
    display: inline-flex;
    max-width: 180px;
}

.ai-chart-builder__typing-dots {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    min-height: 18px;
}

.ai-chart-builder__typing-dots span:not(.ai-chart-builder__typing-label) {
    display: block;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--csi-muted);
    animation: ai-chart-builder-typing 1.05s infinite ease-in-out;
}

.ai-chart-builder__typing-dots span:nth-child(2) {
    animation-delay: 0.14s;
}

.ai-chart-builder__typing-dots span:nth-child(3) {
    animation-delay: 0.28s;
}

.ai-chart-builder__typing-label {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

@keyframes ai-chart-builder-typing {
    0%,
    80%,
    100% {
        opacity: 0.35;
        transform: translateY(0);
    }

    40% {
        opacity: 1;
        transform: translateY(-3px);
    }
}

.ai-chart-builder__chat-input {
    width: 100%;
    height: 104px;
    min-height: 104px;
    max-height: 160px;
    margin-top: 10px;
    padding: 9px 10px;
    resize: vertical;
    border: 1px solid var(--csi-border-strong);
    border-radius: 7px;
    background: var(--csi-surface);
    color: var(--csi-text);
    caret-color: var(--csi-text);
    color-scheme: light;
    font-size: 0.88rem;
    line-height: 1.35;
}

.ai-chart-builder__chat-input::placeholder {
    color: var(--csi-muted);
    opacity: 1;
}

.ai-chart-builder__chat-actions,
.ai-chart-builder__preview-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-top: 10px;
}

.ai-chart-builder__send-button,
.ai-chart-builder__render-button,
.ai-chart-builder__download-button {
    min-height: 34px;
    white-space: nowrap;
}

.ai-chart-builder__status {
    min-height: 20px;
    color: var(--csi-muted);
    font-size: 0.78rem;
    line-height: 1.3;
}

.ai-chart-builder__chat-actions .ai-chart-builder__status {
    flex: 1 1 auto;
    text-align: right;
}

.ai-chart-builder__controls-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 12px;
}

.ai-chart-builder__filter-row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 10px;
    min-height: 44px;
    padding: 8px;
    border: 1px solid var(--csi-border);
    border-radius: 7px;
    background: var(--csi-surface-muted);
}

.ai-chart-builder__filter-summary {
    display: flex;
    flex: 1 1 auto;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    min-width: 0;
    color: var(--csi-muted);
    font-size: 0.78rem;
    line-height: 1.25;
}

.ai-chart-builder__filter-label {
    color: var(--csi-muted-strong);
    font-weight: 800;
}

.ai-chart-builder__filter-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    min-width: 0;
}

.ai-chart-builder__filter-chip {
    display: inline-flex;
    align-items: center;
    max-width: 100%;
    min-height: 24px;
    padding: 2px 8px;
    border: 1px solid #bfdbfe;
    border-radius: 999px;
    background: var(--csi-surface);
    color: var(--csi-text);
    overflow-wrap: anywhere;
}

.ai-chart-builder__filter-empty {
    min-height: 24px;
    display: inline-flex;
    align-items: center;
}

.ai-chart-builder__clear-filters {
    flex: 0 0 auto;
    min-height: 28px;
    white-space: nowrap;
}

.ai-chart-builder__control {
    min-width: 0;
}

.ai-chart-builder__control--wide,
.ai-chart-builder__render-button {
    grid-column: 1 / -1;
}

.ai-chart-builder__control label {
    display: block;
    margin-bottom: 4px;
    color: var(--csi-muted-strong);
    font-size: 0.78rem;
    font-weight: 800;
}

.ai-chart-builder__text-input {
    width: 100%;
    min-height: 36px;
    padding: 6px 9px;
    border: 1px solid var(--csi-border-strong);
    border-radius: 7px;
    background: var(--csi-surface);
    color: var(--csi-text);
    caret-color: var(--csi-text);
    color-scheme: light;
    font-size: 0.88rem;
}

.ai-chart-builder__chat-input:focus,
.ai-chart-builder__text-input:focus {
    border-color: var(--csi-primary);
    box-shadow: var(--csi-focus);
    outline: none;
}

.ai-chart-builder__threshold {
    padding: 2px 4px 0;
}

.ai-chart-builder__switch {
    min-height: 28px;
    padding-top: 2px;
    color: var(--csi-muted-strong);
    font-size: 0.84rem;
}

.ai-chart-builder__graph {
    height: 430px;
    min-height: 430px;
}

.ai-chart-builder__graph .js-plotly-plot,
.ai-chart-builder__graph .plot-container,
.ai-chart-builder__graph .svg-container {
    min-height: 430px;
}

.ai-chart-builder__preview .dash-table-container {
    margin-top: 10px;
    border: 1px solid var(--csi-border);
    border-radius: 7px;
    max-width: 100%;
    overflow: auto;
}

.ai-chart-builder__preview .dash-spreadsheet-container {
    max-width: 100%;
    overflow-x: auto !important;
}

.ai-chart-builder__preview-actions {
    justify-content: flex-end;
}

@media (max-width: 1180px) {
    .ai-chart-builder__workspace {
        grid-template-columns: 1fr;
    }

    .ai-chart-builder__chat-log,
    .ai-chart-builder__graph,
    .ai-chart-builder__graph .js-plotly-plot,
    .ai-chart-builder__graph .plot-container,
    .ai-chart-builder__graph .svg-container {
        min-height: 360px;
        height: 360px;
    }
}

@media (max-width: 640px) {
    .ai-chart-builder {
        padding: 12px;
        overflow-x: clip;
    }

    .ai-chart-builder__header,
    .ai-chart-builder__panel {
        padding: 12px;
    }

    .ai-chart-builder__panel-heading,
    .ai-chart-builder__chat-actions,
    .ai-chart-builder__filter-row {
        align-items: flex-start;
        flex-direction: column;
    }

    .ai-chart-builder__chat-actions .ai-chart-builder__status {
        text-align: left;
    }

    .ai-chart-builder__controls-grid {
        grid-template-columns: 1fr;
    }
}