.obs-dashboard {
    --obs-surface: #fcfcfb;
    --obs-page: #f9f9f7;
    --obs-text-primary: #0b0b0b;
    --obs-text-secondary: #52514e;
    --obs-text-muted: #898781;
    --obs-gridline: #e1e0d9;
    --obs-axis: #c3c2b7;
    --obs-border: rgba(11, 11, 11, 0.10);

    --obs-series-1: #2a78d6;
    --obs-series-2: #1baf7a;
    --obs-series-3: #eda100;
    --obs-series-4: #008300;
    --obs-series-5: #4a3aa7;
    --obs-series-6: #e34948;
    --obs-series-7: #e87ba4;
    --obs-series-8: #eb6834;

    /* status colour - fixed, never themed, distinct from the categorical slots above */
    --obs-warning: #fab219;

    font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
    color: var(--obs-text-primary);
    background: var(--obs-page);
    padding: 1.5rem;
    border-radius: 8px;
}

@media (prefers-color-scheme: dark) {
    .obs-dashboard {
        --obs-surface: #1a1a19;
        --obs-page: #0d0d0d;
        --obs-text-primary: #ffffff;
        --obs-text-secondary: #c3c2b7;
        --obs-text-muted: #898781;
        --obs-gridline: #2c2c2a;
        --obs-axis: #383835;
        --obs-border: rgba(255, 255, 255, 0.10);

        --obs-series-1: #3987e5;
        --obs-series-2: #199e70;
        --obs-series-3: #c98500;
        --obs-series-4: #008300;
        --obs-series-5: #9085e9;
        --obs-series-6: #e66767;
        --obs-series-7: #d55181;
        --obs-series-8: #d95926;
    }
}

.obs-dashboard-loading,
.obs-dashboard-empty {
    color: var(--obs-text-secondary);
    padding: 2rem 0;
}

.obs-mode-tabs {
    display: flex;
    gap: 0.25rem;
    margin-bottom: 1.25rem;
    border-bottom: 1px solid var(--obs-border);
}

.obs-mode-tab {
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    padding: 0.5rem 0.9rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--obs-text-secondary);
    cursor: pointer;
}

.obs-mode-tab:hover {
    color: var(--obs-text-primary);
}

.obs-mode-tab--active {
    color: var(--obs-series-1);
    border-bottom-color: var(--obs-series-1);
}

.obs-trace-list-wrap,
.obs-log-list-wrap {
    overflow-x: auto;
}

.obs-pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-top: 0.75rem;
    font-size: 0.8rem;
}

.obs-pagination-count {
    color: var(--obs-text-secondary);
    white-space: nowrap;
}

.obs-pagination-controls {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    flex-wrap: wrap;
}

.obs-pagination-controls .btn {
    padding: 0.15rem 0.55rem;
    line-height: 1.4;
    min-width: 2rem;
}

.obs-pagination-ellipsis {
    color: var(--obs-text-muted);
    padding: 0 0.15rem;
}

.obs-trace-th-sortable {
    cursor: pointer;
    user-select: none;
}

.obs-trace-th-sortable:hover {
    color: var(--obs-text);
}

.obs-trace-row {
    cursor: pointer;
}

.obs-trace-row:hover {
    background: var(--obs-page);
}

.obs-trace-row--selected {
    background: rgba(42, 120, 214, 0.10);
}

.obs-trace-empty {
    color: var(--obs-text-muted);
    text-align: center;
    padding: 1rem 0.5rem;
}

.obs-trace-detail {
    margin-top: 1.25rem;
    background: var(--obs-surface);
    border: 1px solid var(--obs-border);
    border-radius: 8px;
    padding: 1rem;
}

.obs-flame-chart {
    position: relative;
    width: 100%;
    overflow-x: hidden;
}

.obs-flame-bar {
    position: absolute;
    height: 22px;
    border-radius: 3px;
    overflow: hidden;
    white-space: nowrap;
    color: #fff;
    font-size: 0.7rem;
    line-height: 22px;
    padding: 0 6px;
    cursor: default;
    box-sizing: border-box;
    border: 1px solid rgba(0, 0, 0, 0.15);
}

.obs-flame-bar-label {
    text-shadow: 0 1px 1px rgba(0, 0, 0, 0.35);
}

.obs-flame-tooltip {
    margin-top: 0.75rem;
    background: var(--obs-page);
    border: 1px solid var(--obs-border);
    border-radius: 6px;
    padding: 0.5rem 0.75rem;
    font-size: 0.8rem;
    color: var(--obs-text-secondary);
}

.obs-flame-tooltip-title {
    font-weight: 600;
    color: var(--obs-text-primary);
    margin-bottom: 0.15rem;
}

.obs-log-level-filters {
    display: flex;
    gap: 1rem;
    margin: 0.5rem 0 1rem;
    flex-wrap: wrap;
}

.obs-log-time {
    white-space: nowrap;
    font-variant-numeric: tabular-nums;
    color: var(--obs-text-secondary);
}

.obs-log-source {
    white-space: nowrap;
    font-size: 0.8rem;
}

.obs-log-source-detail {
    font-size: 0.7rem;
    color: var(--obs-text-muted);
    font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
}

.obs-log-message {
    font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
    font-size: 0.8rem;
}

.obs-log-request-id {
    font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
    font-size: 0.75rem;
    color: var(--obs-text-muted);
    white-space: nowrap;
}

.obs-log-badge {
    display: inline-block;
    padding: 0.1rem 0.5rem;
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    white-space: nowrap;
}

.obs-log-badge--critical,
.obs-log-badge--error {
    background: rgba(227, 73, 72, 0.16);
    color: #e34948;
}

.obs-log-badge--warning {
    background: rgba(250, 178, 25, 0.18);
    color: var(--obs-warning);
}

.obs-log-badge--info {
    background: rgba(42, 120, 214, 0.14);
    color: var(--obs-series-1);
}

.obs-log-badge--debug {
    background: rgba(137, 135, 129, 0.18);
    color: var(--obs-text-muted);
}

.obs-global-range-row {
    display: flex;
    align-items: flex-end;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 0.35rem;
}

.obs-toolbar-spacer {
    flex: 1;
}

.obs-range-hint {
    margin: 0 0 1rem;
    font-size: 0.75rem;
    color: var(--obs-text-muted);
}

.obs-range-hint--warning {
    color: var(--obs-warning);
}

.obs-inline-field {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.15rem;
    font-size: 0.8rem;
    color: var(--obs-text-secondary);
}

/* Bootstrap's .form-control/.form-select default to width:100%, which - unconstrained -
   greedily fills a flex row. Every field in this dashboard is a fixed-content control
   (a date, a short select, a colour swatch), never a free-text input, so pin them back
   to their intrinsic size instead of letting one field balloon to fill the row. */
.obs-dashboard .form-control,
.obs-dashboard .form-select {
    width: auto;
}

.obs-checkbox-field {
    flex-direction: row;
    align-items: center;
    gap: 0.4rem;
}

.obs-color-field {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.4rem;
}

.obs-color-field .form-control-color {
    width: 2.5rem;
    height: 1.6rem;
    padding: 0.15rem;
}

.obs-chart-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(420px, 1fr));
    gap: 1.25rem;
    /* grid items default to align-items:stretch, which forces every card in a row to
       match the row's tallest card (e.g. one with a legend or a range warning) - since
       .obs-chart-card is a plain block box, that extra height shows up as dead space
       after its last child instead of shrinking each card to its own content */
    align-items: start;
}

.obs-chart-card {
    background: var(--obs-surface);
    border: 1px solid var(--obs-border);
    border-radius: 8px;
    /* the chart's own SVG margin already reserves room for axis-tick text, so the card
       doesn't need a full 1rem underneath it too - trimmed to pack more charts per screen */
    padding: 1rem 1rem 0.5rem;
}

.obs-chart-card-header {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    margin-bottom: 0.5rem;
}

/* matches the specificity of the dashboard-wide ".obs-dashboard .form-control" rule
   (which pins inputs to auto width) so this one - which genuinely needs to fill the
   card - actually wins */
.obs-chart-card-header .obs-metric-filter {
    width: 100%;
}

.obs-global-range-row .obs-y-axis-input,
.obs-chart-card-controls .obs-y-axis-input {
    width: 6rem;
}

.obs-date-text {
    width: 11rem;
}

.obs-period-text {
    width: 5rem;
}

.obs-chart-card-header-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.obs-chart-card-header .obs-chart-select {
    flex: 1;
    width: 100%;
    /* flex items default to min-width:auto, which floors shrinking at the content's
       intrinsic width - a <select> with a long option list otherwise overflows its
       row instead of respecting the 100% cap above */
    min-width: 0;
}

.obs-chart-card-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1rem;
    margin-bottom: 0.5rem;
}

.obs-chart-card-range {
    margin-bottom: 0.5rem;
}

.obs-range-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
}

.obs-range-nav {
    display: flex;
    gap: 0.3rem;
}

.obs-range-nav .btn {
    padding: 0.1rem 0.5rem;
    line-height: 1.4;
}

.obs-range-inputs {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    margin-top: 0.35rem;
    flex-wrap: wrap;
}

.obs-clear-range {
    padding: 0 0.25rem;
}

.obs-chart-title-row {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    margin-bottom: 0.5rem;
}

.obs-chart-title {
    font-size: 0.95rem;
    font-weight: 600;
    margin: 0;
    color: var(--obs-text-primary);
}

.obs-chart-drag-handle {
    flex-shrink: 0;
    cursor: grab;
    color: var(--obs-text-muted);
    line-height: 1;
    user-select: none;
}

.obs-chart-drag-handle:active {
    cursor: grabbing;
}

.obs-chart-card--drag-over {
    outline: 2px dashed var(--obs-series-1);
    outline-offset: -2px;
}

.obs-chart-wrap {
    position: relative;
    transition: opacity 0.15s ease;
}

.obs-chart-svg {
    width: 100%;
    height: auto;
    display: block;
    outline: none;
    cursor: crosshair;
    /* drag-to-zoom tracks the pointer continuously - without this, touch browsers
       intercept the gesture as a page scroll/pinch instead of a chart selection */
    touch-action: none;
}

.obs-chart-zoom-selection {
    fill: var(--obs-series-1);
    fill-opacity: 0.15;
    stroke: var(--obs-series-1);
    stroke-width: 1;
    pointer-events: none;
}

.obs-chart-svg:focus-visible {
    box-shadow: 0 0 0 2px var(--obs-series-1);
    border-radius: 4px;
}

.obs-chart-gridline {
    stroke: var(--obs-gridline);
    stroke-width: 1;
}

.obs-chart-axis {
    stroke: var(--obs-axis);
    stroke-width: 1;
}

.obs-chart-crosshair {
    stroke: var(--obs-axis);
    stroke-width: 1;
    stroke-dasharray: 2 2;
}

.obs-chart-tick {
    fill: var(--obs-text-muted);
    font-size: 12px;
    font-variant-numeric: tabular-nums;
}

.obs-chart-tick-y {
    text-anchor: end;
    dominant-baseline: middle;
    font-size: 13px;
}

.obs-chart-tick-x {
    text-anchor: middle;
}

.obs-chart-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--obs-text-muted);
    font-size: 0.85rem;
}

.obs-chart-error {
    color: var(--obs-series-6);
}

.obs-chart-tooltip {
    position: absolute;
    top: 8px;
    background: var(--obs-surface);
    border: 1px solid var(--obs-border);
    border-radius: 6px;
    padding: 0.35rem 0.6rem;
    pointer-events: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

.obs-chart-tooltip-value {
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    color: var(--obs-text-primary);
}

.obs-chart-tooltip-date {
    font-size: 0.75rem;
    color: var(--obs-text-secondary);
    margin-bottom: 0.15rem;
}

.obs-chart-tooltip-row {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    white-space: nowrap;
}

.obs-chart-tooltip-label {
    font-size: 0.75rem;
    color: var(--obs-text-secondary);
    margin-right: auto;
}

.obs-chart-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 0.9rem;
    margin-bottom: 0.4rem;
    font-size: 0.75rem;
    color: var(--obs-text-secondary);
}

.obs-chart-legend-item {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

/* line-key swatches, not filled boxes - a short stroke of the series colour, per the
   dataviz tooltip/legend spec ("line keys, not boxes") */
.obs-chart-legend-swatch {
    display: inline-block;
    width: 14px;
    height: 0;
    border-top: 2px solid var(--obs-swatch-color);
}

.obs-chart-legend-swatch--bound {
    opacity: 0.55;
    border-top-style: dashed;
}

.obs-derived-panel {
    background: var(--obs-surface);
    border: 1px solid var(--obs-border);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
}

.obs-derived-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.75rem;
}

.obs-derived-panel-title {
    font-size: 0.95rem;
    font-weight: 600;
    margin: 0;
    color: var(--obs-text-primary);
}

.obs-derived-form {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    max-width: 640px;
    margin-bottom: 1rem;
}

/* matches the specificity of the dashboard-wide ".obs-dashboard .form-control" rule
   (which pins inputs to auto width, i.e. the browser's ~150px default) so these -
   which need real room for a name/expression/number - actually win */
.obs-derived-form .form-control {
    width: 100%;
    max-width: 600px;
}

.obs-derived-form-expression {
    width: 100%;
}

.obs-derived-form-actions {
    display: flex;
    gap: 0.5rem;
}

.obs-derived-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.obs-derived-table th {
    text-align: left;
    color: var(--obs-text-muted);
    font-weight: 500;
    font-size: 0.75rem;
    text-transform: uppercase;
    padding: 0.3rem 0.5rem;
    border-bottom: 1px solid var(--obs-border);
}

.obs-derived-table td {
    padding: 0.4rem 0.5rem;
    border-bottom: 1px solid var(--obs-border);
    vertical-align: top;
}

.obs-derived-table code {
    color: var(--obs-text-secondary);
}

.obs-derived-table-actions {
    white-space: nowrap;
    text-align: right;
}

/* the autocomplete trigger - a plain text input in a relatively-positioned wrapper so the
   dropdown below can anchor to it via absolute positioning */
.obs-expr-wrap {
    position: relative;
    width: 100%;
}

.obs-expr-input {
    width: 100%;
    font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
}

.obs-expr-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    z-index: 20;
    margin: 0.2rem 0 0;
    padding: 0.25rem 0;
    min-width: 12rem;
    max-height: 14rem;
    overflow-y: auto;
    list-style: none;
    background: var(--obs-surface);
    border: 1px solid var(--obs-border);
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.obs-expr-dropdown-item {
    padding: 0.3rem 0.7rem;
    font-size: 0.85rem;
    font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
    color: var(--obs-text-primary);
    cursor: pointer;
}

.obs-expr-dropdown-item--active {
    background: var(--obs-series-1);
    color: #fff;
}

.obs-login-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    position: fixed;
    inset: 0;
    padding: 3rem 1rem;
    background: var(--obs-page);
}

.obs-login-card {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    width: 100%;
    max-width: 320px;
    padding: 1.5rem;
    background: var(--obs-surface);
    border: 1px solid var(--obs-border);
    border-radius: 8px;
}

.obs-login-card h2 {
    font-size: 1.1rem;
    margin: 0 0 0.5rem;
}

.obs-login-field {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    font-size: 0.85rem;
    color: var(--obs-text-secondary);
}