/* HYGR Livestream Analytics — Industrial Minimalism.
   Tokens are transcribed from DESIGN.md. Elevation is 1px borders and tonal
   layering only: no shadow appears anywhere in this file. */

@font-face {
    font-family: 'Inter';
    src: url('assets/fonts/inter-latin.woff2') format('woff2');
    font-weight: 100 900;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'JetBrains Mono';
    src: url('assets/fonts/jetbrains-mono-latin.woff2') format('woff2');
    font-weight: 100 800;
    font-style: normal;
    font-display: swap;
}

:root {
    --surface: #F2F3F4;
    --surface-dim: #d9dae1;
    --surface-container-lowest: #ffffff;
    --surface-container-low: #f2f3fa;
    --surface-container: #ededf5;
    --surface-container-high: #e7e8ef;
    --surface-container-highest: #e1e2e9;
    --on-surface: #191c21;
    --on-surface-variant: #424751;
    --inverse-surface: #2e3036;
    --inverse-on-surface: #f0f0f8;
    --outline: #727783;
    --outline-variant: #c2c6d3;

    --primary: #003e7a;
    --on-primary: #ffffff;
    --primary-container: #0055a4;
    --on-primary-container: #afccff;
    --primary-fixed: #d5e3ff;

    --secondary: #515f74;
    --secondary-container: #d5e3fd;
    --on-secondary-container: #57657b;

    --tertiary: #6a2c00;
    --tertiary-container: #8f3d00;
    --tertiary-fixed: #ffdbca;
    --on-tertiary-fixed-variant: #783200;

    --error: #ba1a1a;
    --on-error: #ffffff;
    --error-container: #ffdad6;
    --on-error-container: #93000a;

    --success: #1f5d33;
    --success-container: #cdead6;
    --on-success-container: #10391f;

    --font-ui: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-data: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

    --xs: 4px;
    --sm: 8px;
    --md: 16px;
    --lg: 24px;
    --xl: 32px;

    --radius: 4px;
    --radius-sm: 2px;

    --max-width: 100%;
    /* The rail is a fixed track, not a percentage: a channel list does not
       need to grow with the viewport, and a fixed track keeps the content
       column the only thing that flexes. */
    --rail-width: 280px;

    /* High-density table rhythm from DESIGN.md. */
    --table-y: 8px;
    --table-x: 12px;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    background: var(--surface);
    color: var(--on-surface);
    font-family: var(--font-ui);
    font-size: 14px;
    font-weight: 400;
    line-height: 1.5;
    overflow-x: hidden;
}

/* Typography scale ------------------------------------------------------- */

.display-lg { font-size: 30px; font-weight: 700; line-height: 1.2; letter-spacing: -0.02em; }
.headline-md { font-size: 22px; font-weight: 600; line-height: 1.3; letter-spacing: -0.01em; }
.title-sm { font-size: 16px; font-weight: 600; line-height: 1.4; letter-spacing: -0.01em; }
.body-md { font-size: 14px; font-weight: 400; line-height: 1.5; }

.data-tabular {
    font-family: var(--font-data);
    font-size: 14px;
    font-weight: 500;
    line-height: 1.5;
    font-variant-numeric: tabular-nums;
}

.label-caps {
    font-family: var(--font-ui);
    font-size: 11px;
    font-weight: 600;
    line-height: 1;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

h1, h2, h3 { margin: 0; }

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible,
button:focus-visible,
select:focus-visible,
input:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

/* Skeleton --------------------------------------------------------------- */

.masthead {
    border-bottom: 1px solid var(--outline-variant);
    background: var(--surface);
    padding: var(--sm) 0;
}

.masthead-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--lg);
    display: flex;
    align-items: center;
    gap: var(--md);
    flex-wrap: wrap;
}

.brand {
    display: flex;
    align-items: center;
    gap: var(--md);
    color: var(--on-surface);
}

.brand:hover { text-decoration: none; }

.brand-logo-badge {
    background-color: var(--primary);
    color: var(--on-primary);
    padding: 6px 10px;
    border-radius: var(--radius);
    font-family: var(--font-data);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.05em;
    flex: none;
    line-height: 1.2;
}

.brand-name {
    font-family: var(--font-ui);
    font-size: 18px;
    font-weight: 700;
    color: var(--on-surface);
    letter-spacing: -0.01em;
    display: block;
    line-height: 1.2;
}

.brand-subtitle {
    margin: 2px 0 0;
    font-size: 12px;
    color: var(--on-surface-variant);
    line-height: 1.3;
}

.masthead-meta {
    margin-left: auto;
    display: flex;
    gap: var(--md);
    align-items: center;
    color: var(--on-surface-variant);
}

.drawer-toggle { display: none; }

.layout {
    display: grid;
    grid-template-columns: var(--rail-width) minmax(0, 1fr);
    align-items: start;
    gap: var(--lg);
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--lg);
    background: var(--surface);
}

.rail {
    position: sticky;
    top: var(--lg);
    display: flex;
    flex-direction: column;
    gap: var(--md);
    min-width: 0;
}

/* min-width:0 is what stops a wide table from blowing the grid track out
   and pushing the whole column past the viewport. */
.content {
    display: flex;
    flex-direction: column;
    gap: var(--lg);
    width: 100%;
    min-width: 0;
}

[role="tabpanel"],
#view {
    display: flex;
    flex-direction: column;
    gap: var(--lg);
    width: 100%;
    min-width: 0;
}

/* Two equal analytics cards side by side, stretched to a matching height. */
.analytics-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--md);
    width: 100%;
    align-items: stretch;
}

.analytics-row > .panel { display: flex; flex-direction: column; min-width: 0; }
.analytics-row > .panel > .panel-body {
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
}

.daily-chart-wrapper {
    display: flex;
    flex-direction: column;
    height: 100%;
    width: 100%;
    justify-content: space-between;
}

.daily-chart-wrapper .chart {
    flex: 1 1 auto;
    width: 100%;
    height: auto;
    min-height: 220px;
    display: block;
}

@media (max-width: 1100px) {
    .analytics-row { grid-template-columns: minmax(0, 1fr); }
}

.site-footer {
    border-top: 1px solid var(--outline-variant);
    background: var(--surface-container-lowest);
    margin-top: var(--xl);
}

.site-footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--md) var(--lg);
    display: flex;
    gap: var(--md);
    flex-wrap: wrap;
    align-items: center;
    color: var(--on-surface-variant);
}

.site-footer-inner nav { display: flex; gap: var(--md); margin-left: auto; flex-wrap: wrap; }

/* Panel ------------------------------------------------------------------ */

.panel {
    background: var(--surface-container-lowest);
    border: 1px solid var(--outline-variant);
    border-radius: var(--radius);
}

.panel-head {
    display: flex;
    align-items: baseline;
    gap: var(--sm);
    padding: var(--md);
    border-bottom: 1px solid var(--outline-variant);
    flex-wrap: wrap;
}

.panel-head .panel-note {
    margin-left: auto;
    color: var(--on-surface-variant);
    font-size: 12px;
}

.panel-body { padding: var(--md); }
.panel-body.flush { padding: 0; }

.section-head {
    display: flex;
    align-items: baseline;
    gap: var(--sm);
    flex-wrap: wrap;
}

.section-head p { margin: 0; color: var(--on-surface-variant); }

/* Channel switcher ------------------------------------------------------- */

.channel-list { display: flex; flex-direction: column; }

.channel-item {
    display: block;
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    border-bottom: 1px solid var(--outline-variant);
    padding: 10px 14px;
    font-family: var(--font-ui);
    color: var(--on-surface-variant);
    cursor: pointer;
    border-left: 3px solid transparent;
    transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.channel-item:last-child { border-bottom: none; }

.channel-item:hover {
    background: var(--surface-container-high);
    color: var(--on-surface);
}

.channel-item[aria-current="true"] {
    background: var(--surface-container-highest);
    border-left-color: var(--primary);
    color: var(--primary);
    font-weight: 600;
}

.channel-item .channel-name {
    font-size: 13px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sm);
    color: var(--on-surface);
}

.channel-item[aria-current="true"] .channel-name { color: var(--primary); }
.channel-item .channel-figure {
    display: block;
    font-family: var(--font-data);
    font-size: 12px;
    color: var(--on-surface-variant);
    margin-top: 3px;
}
.channel-item[aria-current="true"] .channel-figure { color: var(--on-surface); }
.channel-item[disabled] { cursor: not-allowed; opacity: 0.65; }
.channel-item[disabled]:hover { background: none; }

/* Controls --------------------------------------------------------------- */

.field { display: flex; flex-direction: column; gap: var(--xs); min-width: 0; }
.field > label { color: var(--on-surface-variant); }

.field select,
.field input {
    font-family: var(--font-ui);
    font-size: 14px;
    color: var(--on-surface);
    background: var(--surface-container-lowest);
    border: 1px solid var(--outline);
    border-radius: var(--radius);
    padding: var(--sm);
    width: 100%;
    min-width: 0;
}

.field select:focus,
.field input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: inset 0 0 0 1px var(--primary);
}

.btn {
    font-family: var(--font-ui);
    font-size: 14px;
    border-radius: var(--radius);
    padding: var(--sm) var(--md);
    cursor: pointer;
    border: 1px solid var(--outline);
    background: var(--surface-container-lowest);
    color: var(--on-surface);
    transition: background 140ms ease;
}

.btn:hover { background: var(--surface-container-high); }
.btn-primary { background: var(--primary); border-color: var(--primary); color: var(--on-primary); }
.btn-primary:hover { background: var(--primary-container); }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; }

/* Tabs ------------------------------------------------------------------- */

.tabs {
    display: flex;
    gap: var(--md);
    border-bottom: 1px solid var(--outline-variant);
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.tabs::-webkit-scrollbar {
    display: none;
}

.tab {
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--on-surface-variant);
    font-family: var(--font-ui);
    font-size: 14px;
    font-weight: 500;
    padding: var(--sm) 0;
    margin-bottom: -1px;
    cursor: pointer;
    white-space: nowrap;
    transition: color 140ms ease, border-color 140ms ease;
}

.tab:hover { border-bottom-color: var(--outline-variant); color: var(--on-surface); }
.tab[aria-selected="true"] { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }

/* Metric tiles ----------------------------------------------------------- */

.tile-grid {
    display: grid;
    gap: var(--md);
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.funnel-metrics, .tile-grid-sm {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sm);
    margin-top: var(--md);
}

.funnel-metrics .tile, .tile-grid-sm .tile {
    flex: 1 1 calc(33.333% - var(--sm));
    min-width: 120px;
    padding: var(--sm) var(--md);
}

.funnel-metrics .tile-label, .tile-grid-sm .tile-label {
    margin-bottom: 2px;
    font-size: 11px;
}

.funnel-metrics .tile-value, .tile-grid-sm .tile-value {
    font-size: 15px;
}

.tile {
    background: var(--surface-container-lowest);
    border: 1px solid var(--outline-variant);
    border-radius: var(--radius);
    padding: var(--md);
    min-width: 0;
    transition: border-color 140ms ease;
}

.tile:hover {
    border-color: var(--outline);
}

.tile-label { color: var(--on-surface-variant); margin-bottom: var(--sm); }
.tile-value { font-family: var(--font-data); font-variant-numeric: tabular-nums; word-break: break-word; }
.tile-note { color: var(--on-surface-variant); font-size: 12px; margin-top: var(--xs); }
.tile-accent { border-left: 3px solid var(--primary); }

/* Tables ----------------------------------------------------------------- */

.table-scroll { overflow-x: auto; max-width: 100%; width: 100%; scrollbar-width: thin; position: relative; max-height: 72vh; }

table { width: 100%; border-collapse: collapse; }

/* Narrow tables get explicit column percentages and fill the card exactly. */
table.fixed { table-layout: fixed; }

/* Dense tables keep every column legible and scroll inside their own
   container instead, per DESIGN.md's rule for tabular data. --col-count is
   set by the renderer from the actual column count. */
table.dense { min-width: calc(var(--col-count, 12) * 5.75rem); }

thead th {
    font-family: var(--font-ui);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    color: var(--on-surface-variant);
    text-align: right;
    padding: var(--table-y) var(--table-x);
    border-bottom: 2px solid var(--on-surface);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    background: var(--surface-container-lowest);
    position: sticky;
    top: 0;
    z-index: 2;
}

thead th.text, tbody td.text { text-align: left; }
thead th[data-sortable] { cursor: pointer; user-select: none; }
thead th[data-sortable]:hover { color: var(--on-surface); }
thead th[aria-sort]::after { content: " \2193"; color: var(--primary); font-weight: 700; }
thead th[aria-sort="ascending"]::after { content: " \2191"; }

tbody td {
    padding: var(--table-y) var(--table-x);
    border-bottom: 1px solid var(--outline-variant);
    text-align: right;
    white-space: nowrap;
}

tbody td.num {
    font-family: var(--font-data);
    font-size: 13.5px;
    font-weight: 500;
    font-variant-numeric: tabular-nums;
}

tbody tr:nth-child(even) { background: var(--surface-container-low); }
tbody tr:hover { background: var(--surface-container); }
tbody tr[aria-selected="true"] { background: var(--secondary-container); }

tbody tr.is-clickable { cursor: pointer; }

td.wrap { white-space: normal; min-width: 220px; }
table.fixed td { overflow: hidden; text-overflow: ellipsis; }
table.fixed th { overflow: hidden; text-overflow: ellipsis; }
table.fixed td.wrap { min-width: 0; }
.muted { color: var(--on-surface-variant); }
.rank { color: var(--on-surface-variant); font-family: var(--font-data); }

/* Chips and badges ------------------------------------------------------- */

.chip, .badge, .status-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    border-radius: var(--radius-sm);
    padding: 2px 6px;
    font-family: var(--font-data);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    white-space: nowrap;
    line-height: 1.2;
}

.badge { background: var(--surface-container-high); color: var(--on-surface-variant); }
.chip-warn, .chip-warning { background: var(--warning-container); color: var(--on-warning-container); }
.chip-error { background: var(--error-container); color: var(--on-error-container); }
.chip-ok, .chip-success { background: var(--success-container); color: var(--on-success-container); }
.chip-info { background: var(--secondary-container); color: var(--on-secondary-container); }

/* Funnel ----------------------------------------------------------------- */

.funnel { display: flex; flex-direction: column; gap: var(--sm); }
.funnel-step { display: grid; grid-template-columns: 160px 1fr; gap: var(--md); align-items: center; }
.funnel-label { color: var(--on-surface-variant); font-size: 13px; }

.funnel-track {
    position: relative;
    height: 28px;
    background: var(--surface-container);
    border: 1px solid var(--outline-variant);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.funnel-fill { position: absolute; inset: 0 auto 0 0; background: var(--primary-fixed); }

.funnel-text {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--sm);
    font-family: var(--font-data);
    font-size: 12px;
    font-weight: 500;
}

/* Charts ----------------------------------------------------------------- */

.chart { width: 100%; display: block; overflow: visible; }
.chart-axis { stroke: var(--outline-variant); stroke-width: 1; }
.chart-grid { stroke: var(--outline-variant); stroke-width: 1; opacity: 0.45; stroke-dasharray: 4 4; }
.chart-tick { stroke: var(--outline-variant); stroke-width: 1; }
.chart-period-divider { stroke: var(--outline); stroke-width: 1; stroke-dasharray: 2 2; opacity: 0.6; }
.chart-bar { fill: var(--primary); transition: fill 140ms ease, opacity 140ms ease; }
.chart-bar-alt { fill: var(--secondary-container); stroke: var(--outline-variant); stroke-width: 1; }
.chart-line { fill: none; stroke: var(--tertiary-container); stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }
.chart-label { font-family: var(--font-data); font-size: 11px; font-weight: 600; fill: var(--on-surface-variant); letter-spacing: 0.01em; }
.chart-legend { display: flex; align-items: center; justify-content: space-between; gap: var(--md); flex-wrap: wrap; margin-top: var(--md); color: var(--on-surface-variant); padding-top: var(--xs); }
.chart-legend span { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 500; }
.chart-legend i { width: 10px; height: 10px; display: inline-block; border-radius: var(--radius-sm); }
.chart-legend .legend-hint { font-size: 11px; color: var(--on-surface-variant); font-weight: 400; }

/* Heatmap ---------------------------------------------------------------- */

.heatmap {
    display: grid;
    grid-template-columns: 40px repeat(24, minmax(0, 1fr));
    gap: 1px;
    width: 100%;
    min-width: 640px;
}

.heat-head, .heat-row-label {
    font-family: var(--font-data);
    font-size: 10px;
    color: var(--on-surface-variant);
    display: flex;
    align-items: center;
    justify-content: center;
}

.heat-row-label { justify-content: flex-end; padding-right: var(--xs); }

.heat-cell {
    aspect-ratio: 1 / 1;
    background: var(--surface-container);
    border: 1px solid var(--outline-variant);
    border-radius: 0;
}

.heat-cell[data-filled="true"] { border-color: transparent; }

.heat-legend {
    display: flex;
    align-items: center;
    gap: var(--sm);
    margin-top: var(--md);
    color: var(--on-surface-variant);
    font-family: var(--font-data);
    font-size: 11px;
    flex-wrap: wrap;
}

.heat-legend i { width: 20px; height: 10px; display: block; }

/* States ----------------------------------------------------------------- */

.state {
    border: 1px solid var(--outline-variant);
    border-radius: var(--radius);
    background: var(--surface-container-low);
    padding: var(--xl) var(--lg);
    text-align: center;
}

.state-title { font-size: 18px; font-weight: 600; margin-bottom: var(--sm); }
.state-body { color: var(--on-surface-variant); max-width: 62ch; margin: 0 auto; }
.state-body code { font-family: var(--font-data); font-size: 13px; background: var(--surface-container-high); padding: 1px var(--xs); border-radius: var(--radius-sm); }
.state-error { border-color: var(--error); background: var(--error-container); }
.state-error .state-title { color: var(--on-error-container); }

.notice {
    border: 1px solid var(--outline-variant);
    border-left: 2px solid var(--tertiary-container);
    border-radius: var(--radius);
    background: var(--surface-container-lowest);
    padding: var(--md);
}

.notice-title { font-weight: 600; margin-bottom: var(--xs); }
.notice p { margin: 0; color: var(--on-surface-variant); }

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

/* Definition list -------------------------------------------------------- */

.pairs { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: var(--md); margin: 0; }
.pairs > div { display: flex; flex-direction: column; gap: var(--xs); min-width: 0; }
.pairs dt { color: var(--on-surface-variant); }
.pairs dd { margin: 0; font-family: var(--font-data); font-variant-numeric: tabular-nums; word-break: break-word; }

/* Responsive ------------------------------------------------------------- */

@media (max-width: 900px) {
    .layout { grid-template-columns: minmax(0, 1fr); padding: var(--md); gap: var(--md); }

    .rail {
        position: fixed;
        inset: 0 auto 0 0;
        width: min(320px, 88vw);
        z-index: 20;
        background: var(--surface);
        border-right: 1px solid var(--outline);
        padding: var(--md);
        overflow-y: auto;
        transform: translateX(-100%);
        transition: transform 120ms ease-out;
    }

    .rail[data-open="true"] { transform: translateX(0); }

    .rail-scrim {
        position: fixed;
        inset: 0;
        background: rgba(25, 28, 33, 0.4);
        backdrop-filter: blur(8px);
        z-index: 19;
    }

    .drawer-toggle { display: inline-block; }
    .masthead-inner { padding: var(--sm) var(--md); }
    .masthead-meta { width: 100%; margin-left: 0; }
    .funnel-step { grid-template-columns: 1fr; gap: var(--xs); }
    .display-lg { font-size: 26px; }
}

@media (prefers-reduced-motion: reduce) {
    .rail { transition: none; }
}

@media print {
    .rail, .drawer-toggle, .tabs { display: none; }
    body { background: #fff; }
}

/* Channel header + period pill ------------------------------------------- */

.channel-header { display: flex; align-items: baseline; gap: var(--md); flex-wrap: wrap; }
.channel-header h1 { font-size: 24px; font-weight: 600; line-height: 1.3; letter-spacing: -0.01em; }

.period-pill {
    display: inline-flex;
    align-items: baseline;
    gap: var(--sm);
    border: 1px solid var(--outline-variant);
    border-radius: var(--radius-sm);
    background: var(--surface-container-low);
    padding: var(--xs) var(--sm);
}

.period-pill .period-key {
    font-family: var(--font-data);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--on-surface-variant);
}

.period-pill .period-value { font-family: var(--font-data); font-size: 13px; font-weight: 500; }

/* Sidebar accordion ------------------------------------------------------ */

.rail-details > summary {
    list-style: none;
    cursor: pointer;
    padding: var(--sm) var(--md);
    color: var(--on-surface-variant);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.rail-details > summary::-webkit-details-marker { display: none; }
.rail-details > summary::after { content: "+"; font-family: var(--font-data); font-size: 14px; }
.rail-details[open] > summary::after { content: "\2212"; }
.rail-details > summary:hover { color: var(--on-surface); background: var(--surface-container-high); }
.rail-details[open] > summary { border-bottom: 1px solid var(--outline-variant); }

/* KPI grid: a fixed 4-column rhythm, so rows always align ---------------- */

.kpi-grid {
    display: grid;
    gap: var(--md);
    grid-template-columns: repeat(4, minmax(0, 1fr));
    width: 100%;
    align-items: stretch;
}

.kpi-grid .tile {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    min-height: 108px;
    height: 100%;
}

.kpi-row-label {
    grid-column: 1 / -1;
    margin: var(--md) 0 0;
    color: var(--on-surface-variant);
}

.kpi-row-label:first-child {
    margin-top: 0;
}

@media (max-width: 1100px) { .kpi-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .kpi-grid { grid-template-columns: minmax(0, 1fr); } }

/* Step-down funnel ------------------------------------------------------- */

.stepdown {
    display: flex;
    flex-direction: column;
    background: var(--surface-container-low);
    border: 1px solid var(--outline-variant);
    border-radius: var(--radius);
    padding: var(--md);
    gap: 0;
}

.stepdown-stage {
    border: 1px solid var(--outline-variant);
    border-radius: var(--radius);
    background: var(--surface-container-lowest);
    padding: var(--sm) var(--md);
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: var(--xs) var(--md);
    transition: border-color 140ms ease;
}

.stepdown-stage:hover {
    border-color: var(--outline);
}

.stage-header {
    display: flex;
    align-items: center;
    gap: var(--sm);
}

.stage-icon-wrap {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: var(--radius-sm);
    background: var(--surface-container-high);
    color: var(--primary);
    flex-shrink: 0;
}

.funnel-stage-icon { display: block; }

.stepdown-stage .stage-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--on-surface);
}

.stepdown-stage .stage-value {
    font-family: var(--font-data);
    font-size: 18px;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    color: var(--on-surface);
    text-align: right;
}

.stepdown-meter {
    grid-column: 1 / -1;
    height: 6px;
    background: var(--surface-container);
    border-radius: 3px;
    overflow: hidden;
    margin-top: 2px;
}

.stepdown-meter > i {
    display: block;
    height: 100%;
    background: var(--primary);
    border-radius: 3px;
}

.stepdown-drop {
    display: flex;
    align-items: center;
    gap: var(--sm);
    padding: 7px 0 7px var(--md);
    position: relative;
}

.drop-line-flow {
    position: absolute;
    left: calc(var(--md) + 13px);
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--outline-variant);
}

.drop-badge {
    font-family: var(--font-data);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.02em;
    border-radius: var(--radius-sm);
    padding: 2px 8px;
    position: relative;
    z-index: 1;
    display: inline-flex;
    align-items: center;
    line-height: 1.4;
}

.drop-badge-danger, .drop-badge[data-severity="high"] {
    background: #fce8e6;
    color: #c5221f;
    border: 1px solid rgba(197, 34, 31, 0.3);
}

.drop-badge[data-severity="medium"] {
    background: #fef7e0;
    color: #b06000;
    border: 1px solid rgba(176, 96, 0, 0.3);
}

.drop-badge[data-severity="low"] {
    background: #e6f4ea;
    color: #137333;
    border: 1px solid rgba(19, 115, 51, 0.3);
}

.drop-badge-success, .drop-badge[data-severity="expansion"] {
    background: #e6f4ea;
    color: #137333;
    border: 1px solid rgba(19, 115, 51, 0.3);
}

.stepdown-drop .drop-note { font-size: 12px; color: var(--on-surface-variant); font-weight: 500; }

/* Micro data bars inside numeric cells ----------------------------------- */

td.has-bar { position: relative; }
td.has-bar > i.cell-bar { display: none; }
td.has-bar > i.cell-bar > b { display: none; }
td.has-bar > span { position: relative; display: block; }

th.center, td.center { text-align: center; }

/* Slide-over drawer (Elevation level 2) ---------------------------------- */

.drawer-scrim {
    position: fixed;
    inset: 0;
    background: rgba(25, 28, 33, 0.28);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 40;
}

.drawer {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(720px, 100vw);
    background: var(--surface-container-lowest);
    border-left: 1px solid var(--on-surface);
    border-radius: var(--radius) 0 0 var(--radius);
    z-index: 41;
    display: flex;
    flex-direction: column;
}

.drawer[hidden], .drawer-scrim[hidden] { display: none; }

.drawer-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--md);
    padding: var(--md);
    border-bottom: 1px solid var(--outline-variant);
    flex: none;
}

.drawer-actions {
    display: flex;
    align-items: center;
    gap: var(--sm);
    flex: none;
}

.drawer-nav {
    display: flex;
    gap: var(--xs);
}

.drawer-subtitle { margin: var(--xs) 0 0; color: var(--on-surface-variant); font-size: 13px; }
.drawer-body { padding: var(--md); overflow-y: auto; flex: 1 1 auto; }
.drawer-body > .panel { border: none; }
.drawer-body > .panel > .panel-head { padding-left: 0; padding-right: 0; }
.drawer-body > .panel > .panel-body { padding-left: 0; padding-right: 0; }

body.is-locked { overflow: hidden; }

/* Shift ROI summary cards ------------------------------------------------ */

.roi-grid {
    display: grid;
    gap: var(--md);
    grid-template-columns: repeat(4, minmax(0, 1fr));
    width: 100%;
    align-items: stretch;
}

.roi-grid .roi-card { display: flex; flex-direction: column; height: 100%; }
.roi-grid .roi-meter { margin-top: auto; }

@media (max-width: 1100px) { .roi-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .roi-grid { grid-template-columns: minmax(0, 1fr); } }

.roi-card {
    border: 1px solid var(--outline-variant);
    border-radius: var(--radius);
    background: var(--surface-container-lowest);
    padding: var(--md);
}

.roi-card[data-best="true"] { border-left: 2px solid var(--primary); }
.roi-card .roi-name { font-weight: 600; display: flex; align-items: center; justify-content: space-between; gap: var(--sm); }
.roi-card .roi-value { font-family: var(--font-data); font-size: 24px; font-weight: 700; margin: var(--sm) 0 var(--xs); font-variant-numeric: tabular-nums; }
.roi-card .roi-meta { color: var(--on-surface-variant); font-size: 12px; font-family: var(--font-data); }

.roi-meter { height: 4px; background: var(--surface-container); margin-top: var(--sm); }
.roi-meter > i { display: block; height: 100%; background: var(--primary); }

details.collapsible > summary {
    list-style: none;
    cursor: pointer;
    color: var(--on-surface-variant);
    padding: var(--sm) 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

details.collapsible > summary::-webkit-details-marker { display: none; }
details.collapsible > summary::after { content: "+"; font-family: var(--font-data); }
details.collapsible[open] > summary::after { content: "\2212"; }
details.collapsible > summary:hover { color: var(--on-surface); }

/* Cross-filter chip ------------------------------------------------------ */

.filter-bar {
    display: flex;
    align-items: center;
    gap: var(--sm);
    flex-wrap: wrap;
    border: 1px solid var(--primary);
    border-radius: var(--radius);
    background: var(--secondary-container);
    padding: var(--sm) var(--md);
    margin-bottom: var(--md);
}

.filter-bar .filter-label { font-family: var(--font-data); font-size: 12px; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; color: var(--on-surface-variant); }
.filter-bar .filter-value { font-family: var(--font-data); font-size: 14px; font-weight: 500; }
.filter-bar .btn { margin-left: auto; padding: var(--xs) var(--sm); }

.chart-bar.is-interactive { cursor: pointer; transition: fill 140ms ease, opacity 140ms ease; }
.chart-bar.is-interactive:hover { fill: var(--primary-container); opacity: 0.88; }
.chart-bar.is-active { fill: var(--tertiary-container); }

/* Import instructions (channels awaiting data) --------------------------- */

.import-steps { counter-reset: step; margin: 0; padding: 0; list-style: none; }

.import-steps > li {
    counter-increment: step;
    display: grid;
    grid-template-columns: 24px 1fr;
    gap: var(--md);
    padding: var(--sm) 0;
    border-bottom: 1px solid var(--outline-variant);
    text-align: left;
}

.import-steps > li:last-child { border-bottom: none; }

.import-steps > li::before {
    content: counter(step);
    font-family: var(--font-data);
    font-size: 11px;
    font-weight: 700;
    color: var(--on-primary);
    background: var(--primary);
    border-radius: var(--radius-sm);
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.copy-line {
    display: flex;
    align-items: center;
    gap: var(--sm);
    border: 1px solid var(--outline-variant);
    border-radius: var(--radius-sm);
    background: var(--surface-container-low);
    padding: var(--xs) var(--sm);
    margin-top: var(--xs);
}

.copy-line code { font-family: var(--font-data); font-size: 13px; word-break: break-all; }
.copy-line .btn { margin-left: auto; padding: 2px var(--sm); font-size: 12px; flex: none; }

@media (max-width: 900px) {
    .drawer { width: 100vw; border-radius: 0; }
}