:root {
    /* Chain Reaction-inspired brand tokens (application interpretation) */
    --brand-primary: #0a0a0a;
    --brand-accent: #e63b2e;
    --brand-dark: #050505;
    --brand-light: #f6f7f9;

    --bg-app: #eef0f3;
    --bg-sidebar: #0a0a0a;
    --surface-primary: #ffffff;
    --surface-secondary: #f8f9fb;

    --text-primary: #121417;
    --text-secondary: #4b5563;
    --text-muted: #6b7280;
    --text-inverse: #f9fafb;

    --border-subtle: #dde2ea;

    --positive: #0f7a45;
    --negative: #c62828;
    --warning: #b45309;
    --neutral: #64748b;

    --radius-sm: 6px;
    --radius-md: 10px;
    --shadow-sm: 0 1px 2px rgba(10, 10, 10, 0.06);

    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 24px;
    --space-6: 32px;
    --space-7: 40px;

    --font-display: "DM Sans", "Segoe UI", system-ui, sans-serif;
    --font-body: "DM Sans", "Segoe UI", system-ui, sans-serif;
    --font-size-xs: 0.72rem;
    --font-size-sm: 0.82rem;
    --font-size-base: 0.94rem;
    --font-size-md: 1rem;
    --font-size-lg: 1.25rem;
    --font-size-xl: 1.55rem;
    --font-size-kpi: 1.45rem;

    /* Chart semantic roles */
    --chart-primary: #0a0a0a;
    --chart-comparison: #64748b;
    --chart-forecast: #e63b2e;
    --chart-uncertainty: #94a3b8;
    --chart-positive: #0f7a45;
    --chart-negative: #c62828;
    --chart-neutral: #cbd5e1;

    /* Channel identity (restrained) */
    --channel-google: #4285f4;
    --channel-meta: #1877f2;
    --channel-youtube: #ff0000;
    --channel-tiktok: #010101;
    --channel-ooh: #64748b;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    color: var(--text-primary);
    background: var(--bg-app);
    line-height: 1.5;
}

.app-shell {
    display: grid;
    grid-template-columns: 248px 1fr;
    min-height: 100vh;
    transition: grid-template-columns 0.2s ease;
}

.app-shell.sidebar-collapsed {
    grid-template-columns: 72px 1fr;
}

.sidebar {
    background: var(--bg-sidebar);
    color: var(--text-inverse);
    padding: var(--space-4) var(--space-3);
    border-right: 1px solid #1a1a1a;
    overflow: hidden;
    transition: padding 0.2s ease;
}

.sidebar-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-2);
    margin-bottom: var(--space-5);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-collapse-btn {
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: transparent;
    color: rgba(249, 250, 251, 0.8);
    border-radius: var(--radius-sm);
    width: 28px;
    height: 28px;
    cursor: pointer;
}

.sidebar-collapse-btn:hover,
.sidebar-collapse-btn:focus-visible {
    background: rgba(255, 255, 255, 0.08);
    outline: none;
}

.sidebar-brand {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: 0;
}

.brand-mark {
    display: inline-block;
    width: 8px;
    height: 8px;
    background: var(--brand-accent);
    border-radius: 2px;
    margin-right: var(--space-2);
    vertical-align: middle;
}

.brand-title {
    font-family: var(--font-display);
    font-size: var(--font-size-md);
    font-weight: 700;
    letter-spacing: -0.01em;
}

.brand-subtitle {
    font-size: var(--font-size-sm);
    color: rgba(249, 250, 251, 0.62);
    margin-top: var(--space-2);
}

.nav-section {
    margin-bottom: var(--space-4);
}

.nav-section-title {
    font-size: var(--font-size-xs);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(249, 250, 251, 0.45);
    margin-bottom: var(--space-2);
    padding: 0 var(--space-2);
}

.nav-section-title.static {
    display: block;
}

.nav-section-toggle {
    display: flex;
    width: 100%;
    align-items: center;
    justify-content: space-between;
    border: 0;
    background: transparent;
    color: rgba(249, 250, 251, 0.45);
    font-size: var(--font-size-xs);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0 var(--space-2);
    margin-bottom: var(--space-2);
    cursor: pointer;
}

.nav-section-toggle:hover,
.nav-section-toggle:focus-visible {
    color: rgba(249, 250, 251, 0.8);
    outline: none;
}

.nav-section-links {
    overflow: hidden;
    max-height: 480px;
    opacity: 1;
    transition: max-height 0.2s ease, opacity 0.2s ease;
}

.nav-section.collapsed .nav-section-links {
    max-height: 0;
    opacity: 0;
}

.nav-section.collapsed .nav-section-indicator {
    transform: rotate(-90deg);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: 0.5rem var(--space-2);
    color: rgba(249, 250, 251, 0.82);
    text-decoration: none;
    border-radius: var(--radius-sm);
    margin-bottom: 2px;
    font-size: var(--font-size-sm);
    border-left: 2px solid transparent;
}

.nav-abbr {
    display: none;
    width: 28px;
    text-align: center;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.app-shell.sidebar-collapsed .brand-text,
.app-shell.sidebar-collapsed .brand-subtitle,
.app-shell.sidebar-collapsed .brand-workspace,
.app-shell.sidebar-collapsed .nav-label,
.app-shell.sidebar-collapsed .nav-section-title,
.app-shell.sidebar-collapsed .nav-section-toggle .nav-section-title,
.app-shell.sidebar-collapsed .nav-section-indicator {
    display: none;
}

.app-shell.sidebar-collapsed .nav-abbr {
    display: inline-block;
}

.app-shell.sidebar-collapsed .nav-link {
    justify-content: center;
    padding-left: 0;
    padding-right: 0;
}

.app-shell.sidebar-collapsed .sidebar-collapse-btn .collapse-icon {
    transform: rotate(180deg);
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.06);
    color: #fff;
}

.nav-link.active {
    background: rgba(230, 59, 46, 0.12);
    color: #fff;
    border-left-color: var(--brand-accent);
}

.nav-link--restricted {
    color: rgba(249, 250, 251, 0.38);
    cursor: not-allowed;
    pointer-events: none;
    user-select: none;
}

.nav-link--restricted:hover {
    background: transparent;
    color: rgba(249, 250, 251, 0.38);
}

.nav-link--locked {
    color: rgba(249, 250, 251, 0.72);
}

.nav-link--locked .nav-lock {
    opacity: 0.7;
}

.module-admin-banner {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    align-items: baseline;
    margin: 0 0 1.25rem;
    padding: 0.75rem 1rem;
    border: 1px solid rgba(230, 59, 46, 0.28);
    border-left: 3px solid var(--brand-accent);
    background: rgba(230, 59, 46, 0.05);
    color: var(--ink-muted, #5b5b5b);
    font-size: 0.92rem;
}

.module-admin-banner strong {
    color: var(--ink, #111);
}

.module-access-table {
    display: grid;
    gap: 0;
    border-top: 1px solid rgba(17, 17, 17, 0.12);
}

.module-access-table__head,
.module-access-table__row {
    display: grid;
    grid-template-columns: minmax(12rem, 1.6fr) minmax(8rem, 0.7fr) minmax(12rem, 1.2fr);
    gap: 1rem;
    padding: 0.85rem 0;
    border-bottom: 1px solid rgba(17, 17, 17, 0.08);
    align-items: start;
}

.module-access-table__head {
    font-size: 0.75rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: rgba(17, 17, 17, 0.55);
}

.module-access-table__module {
    display: grid;
    gap: 0.2rem;
}

.module-access-pill {
    display: inline-block;
    font-size: 0.85rem;
    color: rgba(17, 17, 17, 0.7);
}

.module-cap {
    display: inline-block;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.module-cap--ready { color: #1f6b3a; }
.module-cap--limited { color: #8a5a00; }
.module-cap--needs_data { color: #8a2e24; }
.module-cap--not_applicable { color: rgba(17, 17, 17, 0.45); }

.module-access-table__cap {
    display: grid;
    gap: 0.2rem;
}

@media (max-width: 800px) {
    .module-access-table__head,
    .module-access-table__row {
        grid-template-columns: 1fr;
        gap: 0.35rem;
    }
}

.nav-lock {
    display: inline-flex;
    align-items: center;
    margin-left: auto;
    opacity: 0.55;
    flex-shrink: 0;
}

.app-shell.sidebar-collapsed .nav-lock {
    display: none;
}

.access-restricted-page {
    display: grid;
    place-items: center;
    min-height: min(60vh, 520px);
    padding: var(--space-5) 0;
}

.access-restricted-card {
    max-width: 32rem;
    text-align: center;
    padding: var(--space-5);
    background: var(--surface-primary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.04);
}

.access-restricted-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    margin: 0 auto var(--space-3);
    border-radius: 50%;
    background: rgba(230, 59, 46, 0.08);
    color: var(--brand-accent);
}

.access-restricted-card .page-eyebrow {
    margin-bottom: var(--space-1);
}

.access-restricted-card h1 {
    margin: 0 0 var(--space-2);
    font-family: var(--font-display);
}

.access-restricted-card .page-lead {
    margin: 0 0 var(--space-4);
    color: var(--text-secondary);
}

.main-shell {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.topbar {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
    padding: var(--space-4) var(--space-5);
    background: var(--surface-primary);
    border-bottom: 1px solid var(--border-subtle);
}

.sidebar-toggle {
    display: none;
    border: 1px solid var(--border-subtle);
    background: var(--surface-primary);
    padding: 0.4rem 0.7rem;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
}

.topbar-context {
    flex: 1;
    min-width: 0;
}

.topbar-eyebrow {
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    margin-bottom: var(--space-1);
}

.topbar-title {
    font-family: var(--font-display);
    font-size: var(--font-size-lg);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.topbar-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    margin-top: var(--space-2);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.topbar-meta-item strong {
    color: var(--text-primary);
    font-weight: 600;
}

.content {
    padding: var(--space-5);
    max-width: 1440px;
}

.page-hero {
    margin-bottom: var(--space-5);
}

.page-eyebrow {
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--brand-accent);
    font-weight: 600;
    margin-bottom: var(--space-2);
}

.page-hero h1 {
    margin: 0 0 var(--space-2);
    font-family: var(--font-display);
    font-size: var(--font-size-xl);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.page-lead {
    margin: 0;
    color: var(--text-secondary);
    max-width: 62ch;
}

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: var(--space-3);
    margin-bottom: var(--space-5);
}

.grid-two {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-4);
    margin-bottom: var(--space-5);
}

.card,
.kpi-card {
    background: var(--surface-primary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.card {
    padding: var(--space-4);
}

.kpi-card {
    padding: var(--space-4) var(--space-3);
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.kpi-card--featured {
    border-color: rgba(230, 59, 46, 0.25);
}

.kpi-label {
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    font-weight: 600;
}

.kpi-value {
    font-family: var(--font-display);
    font-size: var(--font-size-kpi);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.kpi-detail {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-3);
    gap: var(--space-3);
}

.section-title {
    margin: 0;
    font-family: var(--font-display);
    font-size: var(--font-size-md);
    font-weight: 700;
}

.badge {
    font-size: var(--font-size-xs);
    background: rgba(230, 59, 46, 0.08);
    color: var(--brand-accent);
    padding: 0.2rem 0.55rem;
    border-radius: 999px;
    font-weight: 600;
    white-space: nowrap;
}

.badge.subtle {
    background: var(--surface-secondary);
    color: var(--text-secondary);
}

.story-list {
    display: grid;
    gap: var(--space-4);
}

.story-card {
    border-top: 1px solid var(--border-subtle);
    padding-top: var(--space-3);
}

.story-card:first-child {
    border-top: 0;
    padding-top: 0;
}

.story-card__meta {
    margin-bottom: var(--space-2);
}

.story-domain {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.story-card__title {
    margin: 0 0 var(--space-2);
    font-size: var(--font-size-md);
    font-weight: 700;
    line-height: 1.35;
}

.story-card__summary,
.story-card__why,
.story-card__action,
.story-card__evidence {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin: 0 0 var(--space-2);
}

.label-strong {
    color: var(--text-primary);
    font-weight: 600;
}

.story-card__evidence {
    color: var(--text-muted);
    font-size: var(--font-size-xs);
}

.status-badge {
    font-size: var(--font-size-xs);
    border-radius: 999px;
    padding: 0.18rem 0.55rem;
    font-weight: 600;
    white-space: nowrap;
}

.tone-neutral .status-badge,
.status-badge.tone-neutral,
.tone-neutral.kpi-detail {
    background: var(--surface-secondary);
    color: var(--text-secondary);
}

.tone-positive .status-badge,
.status-badge.tone-positive,
.kpi-card.tone-positive .kpi-detail {
    background: rgba(15, 122, 69, 0.1);
    color: var(--positive);
}

.tone-negative .status-badge,
.status-badge.tone-negative,
.kpi-card.tone-negative .kpi-detail {
    background: rgba(198, 40, 40, 0.08);
    color: var(--negative);
}

.tone-warning .status-badge,
.status-badge.tone-warning,
.kpi-card.tone-warning .kpi-detail {
    background: rgba(180, 83, 9, 0.1);
    color: var(--warning);
}

.snapshot-list,
.action-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.snapshot-list li {
    padding: var(--space-3) 0;
    border-top: 1px solid var(--border-subtle);
}

.snapshot-list li:first-child {
    border-top: 0;
    padding-top: 0;
}

.snapshot-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-1);
}

.snapshot-row strong {
    font-size: var(--font-size-sm);
}

.metric-row {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-4);
    margin-top: var(--space-3);
}

.metric-row__label,
.muted,
.kpi-detail {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

.metric-row__value {
    display: block;
    margin-top: var(--space-1);
    font-weight: 600;
    color: var(--text-primary);
}

.table-container {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}

.data-table th {
    text-align: left;
    padding: 0.6rem 0.4rem;
    border-bottom: 1px solid var(--border-subtle);
    color: var(--text-muted);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-weight: 600;
}

.data-table td {
    padding: 0.65rem 0.4rem;
    border-bottom: 1px solid var(--border-subtle);
}

.data-table .col-observed {
    background: rgba(15, 122, 69, 0.03);
}

.data-table .col-modeled {
    background: rgba(100, 116, 139, 0.04);
}

.table-legend {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-3);
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

.table-legend span::before {
    content: "";
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 2px;
    margin-right: var(--space-1);
    vertical-align: middle;
}

.legend-observed::before { background: rgba(15, 122, 69, 0.35); }
.legend-modeled::before { background: rgba(100, 116, 139, 0.35); }

.quality-indicator {
    padding: var(--space-3);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-3);
}

.quality-indicator.tone-warning {
    background: rgba(180, 83, 9, 0.08);
    border: 1px solid rgba(180, 83, 9, 0.18);
}

.quality-indicator__label {
    margin: 0;
    font-weight: 600;
    color: var(--warning);
    font-size: var(--font-size-sm);
}

.quality-indicator__detail {
    margin: var(--space-1) 0 0;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.empty-state {
    padding: var(--space-4);
    border-radius: var(--radius-sm);
    background: var(--surface-secondary);
    border: 1px dashed var(--border-subtle);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.placeholder-page {
    background: var(--surface-primary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: var(--space-6);
}

.placeholder-note {
    margin-top: var(--space-4);
    color: var(--text-secondary);
}

#forecastChart {
    margin-top: var(--space-4);
}

.chart-shell {
    position: relative;
    width: 100%;
    min-width: 0;
    height: var(--chart-height, 320px);
    max-height: var(--chart-height, 320px);
    overflow: hidden;
}

.chart-shell--compact {
    --chart-height: 280px;
}

.chart-shell canvas {
    display: block;
    width: 100% !important;
    height: 100% !important;
    max-height: 100%;
}

@media (max-width: 1366px) {
    .kpi-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 1200px) {
    .grid-two {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 960px) {
    .app-shell {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: fixed;
        inset: 0 auto 0 0;
        width: 248px;
        transform: translateX(-100%);
        transition: transform 0.2s ease;
        z-index: 20;
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .sidebar-toggle {
        display: inline-block;
    }

    .metric-row,
    .kpi-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 640px) {
    .kpi-grid,
    .metric-row {
        grid-template-columns: 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation: none !important;
        transition: none !important;
    }
}

.page-hero--compact { margin-bottom: var(--space-4); }
.page-hero--compact h1 { font-size: 1.35rem; }

.analysis-controls {
    margin-bottom: var(--space-5);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--border-subtle);
}

.control-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    align-items: end;
}

.control-field {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    min-width: 140px;
}

.control-label {
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    font-weight: 600;
}

.control-field select,
.inline-search input {
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 0.45rem 0.55rem;
    font: inherit;
    background: var(--surface-primary);
}

.control-submit,
.inline-search button {
    border: 1px solid var(--brand-primary);
    background: var(--brand-primary);
    color: #fff;
    border-radius: var(--radius-sm);
    padding: 0.5rem 0.9rem;
    font: inherit;
    cursor: pointer;
}

.panel {
    margin-bottom: var(--space-5);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--border-subtle);
}

.panel--flat { border-bottom: 0; }

.channel-bars-shell {
    min-height: 240px;
    max-height: 320px;
    overflow: auto;
}

.split-layout {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: var(--space-5);
    margin-bottom: var(--space-5);
}

.comparison-list { display: grid; gap: var(--space-3); }
.comparison-head { display: flex; justify-content: space-between; gap: var(--space-2); }
.change-badge {
    font-size: var(--font-size-xs);
    font-weight: 700;
    padding: 0.15rem 0.45rem;
    border-radius: 999px;
    background: var(--surface-secondary);
}
.change-badge.tone-positive { color: var(--positive); background: rgba(15,122,69,0.1); }
.change-badge.tone-negative { color: var(--negative); background: rgba(198,40,40,0.08); }

.kpi-grid--strip { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.kpi-grid--compact { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.panel-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.inline-search { display: flex; gap: var(--space-2); }

.table-container--sticky thead th {
    position: sticky;
    top: 0;
    background: var(--surface-primary);
    z-index: 1;
}

.data-table--interactive tbody tr:hover {
    background: rgba(10, 10, 10, 0.02);
}

.channel-bars { display: grid; gap: var(--space-3); }
.channel-bar-row {
    display: grid;
    grid-template-columns: 90px 1fr 56px;
    gap: var(--space-2);
    align-items: center;
}
.channel-bar-track {
    height: 8px;
    background: var(--surface-secondary);
    border-radius: 999px;
    overflow: hidden;
}
.channel-bar-fill {
    display: block;
    height: 100%;
    background: var(--brand-accent);
}

.pacing-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-3);
}
.pacing-card {
    padding: var(--space-3);
    background: var(--surface-secondary);
    border-radius: var(--radius-sm);
}
.pacing-card-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-2);
}
.pacing-card-values { display: grid; gap: var(--space-1); font-size: var(--font-size-sm); }

.insight-stack { display: grid; gap: var(--space-4); }
.insight-card {
    padding: var(--space-4) 0;
    border-bottom: 1px solid var(--border-subtle);
}
.insight-card__head {
    display: flex;
    justify-content: space-between;
    gap: var(--space-3);
    align-items: baseline;
}
.insight-card h2 {
    margin: 0;
    font-size: var(--font-size-md);
}
.insight-scope {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.insight-metrics {
    display: flex;
    gap: var(--space-3);
    align-items: center;
    margin: var(--space-2) 0;
    font-size: var(--font-size-sm);
}

.observation-list {
    margin: 0;
    padding-left: 1.1rem;
    color: var(--text-secondary);
}

@media (max-width: 1200px) {
    .split-layout,
    .pacing-grid,
    .kpi-grid--strip,
    .kpi-grid--compact {
        grid-template-columns: 1fr 1fr;
    }

    .chart-shell {
        --chart-height: 280px;
    }
}

@media (max-width: 640px) {
    .chart-shell {
        --chart-height: 240px;
    }
}

/* Planning experience */
.scorecard-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-3);
    margin-bottom: var(--space-5);
}
.scorecard-grid--compact { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.scorecard-section-label {
    grid-column: 1 / -1;
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    font-weight: 700;
}
.scorecard {
    padding: var(--space-3);
    background: var(--surface-secondary);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-subtle);
}
.scorecard-label { font-size: var(--font-size-xs); color: var(--text-muted); margin-bottom: var(--space-1); }
.scorecard-value { font-size: 1.35rem; font-weight: 700; }
.scorecard-detail { font-size: var(--font-size-sm); color: var(--text-secondary); margin-top: var(--space-1); }
.scorecard-change { font-size: var(--font-size-sm); font-weight: 600; margin-top: var(--space-1); }
.scorecard-context { font-weight: 500; color: var(--text-muted); }

.planning-controls,
.scenario-form,
.optimizer-form {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    align-items: flex-end;
    margin-bottom: var(--space-4);
}
.planning-controls__group,
.scenario-input-row,
.optimizer-input-row {
    display: grid;
    gap: var(--space-1);
}
.planning-controls__context { margin-left: auto; }
.context-strip { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-2); }
.context-chip {
    font-size: var(--font-size-xs);
    padding: 0.2rem 0.55rem;
    border-radius: 999px;
    background: var(--surface-secondary);
    color: var(--text-secondary);
}
.diagnostics-strip {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}
.diagnostic-card {
    padding: var(--space-3);
    background: var(--surface-secondary);
    border-radius: var(--radius-sm);
}
.diagnostic-card--wide { grid-column: span 1; }
.diagnostic-label { display: block; font-size: var(--font-size-xs); color: var(--text-muted); }
.diagnostic-value { font-weight: 600; }
.scenario-inputs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-3); width: 100%; }
.optimizer-inputs { display: flex; gap: var(--space-4); width: 100%; }
.panel-note { color: var(--text-secondary); font-size: var(--font-size-sm); margin-top: var(--space-2); }
.panel-note--muted { color: var(--text-muted); }
.table-footnote { font-size: var(--font-size-xs); color: var(--text-muted); margin-top: var(--space-2); }
.direction-note { margin-bottom: var(--space-4); color: var(--text-secondary); }
.col-group--observed { background: rgba(15, 122, 69, 0.04); }
.col-group--modeled { background: rgba(230, 59, 46, 0.04); }
.data-table .subhead th { font-size: var(--font-size-xs); font-weight: 500; }
.channel-bars-shell { max-height: 320px; overflow: auto; }

@media (max-width: 900px) {
    .scorecard-grid,
    .diagnostics-strip,
    .scenario-inputs {
        grid-template-columns: 1fr 1fr;
    }
}

.ask-form {
    display: grid;
    gap: var(--space-3);
}
.ask-form textarea {
    width: 100%;
    min-height: 96px;
    padding: var(--space-3);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    font: inherit;
}
.example-questions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-2);
}
.example-question-form { margin: 0; }
.example-question {
    width: 100%;
    text-align: left;
    padding: var(--space-3);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    background: var(--surface-primary);
    cursor: pointer;
    font: inherit;
}
.example-question:hover { background: var(--surface-secondary); }
.ask-answer { font-size: 1.05rem; margin: 0 0 var(--space-2); }

.ask-warnings {
    margin: 0.5rem 0 0.75rem;
    padding-left: 1.1rem;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

.ask-evidence-detail {
    margin-top: 0.75rem;
}

.ask-related {
    margin-top: 1rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-subtle);
}

.pl-ask .ask-entry {
    margin-top: 0.25rem;
}
.ask-evidence {
    display: grid;
    gap: var(--space-2);
    margin-top: var(--space-3);
}
.ask-evidence-row {
    display: flex;
    justify-content: space-between;
    gap: var(--space-3);
    padding: var(--space-2) 0;
    border-bottom: 1px solid var(--border-subtle);
    font-size: var(--font-size-sm);
}
.ask-evidence-label { color: var(--text-muted); }
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ============================================================
   Phase 3L — Product polish
   ============================================================ */

:root {
    --font-size-kpi: 1.65rem;
    --font-size-display: 1.75rem;
    --surface-workspace: transparent;
    --rail-width: 252px;
    --rail-collapsed: 76px;
}

body {
    font-feature-settings: "tnum" 1, "lnum" 1;
}

.tabular {
    font-variant-numeric: tabular-nums lining-nums;
}

.app-shell {
    grid-template-columns: var(--rail-width) 1fr;
}

.app-shell.sidebar-collapsed {
    grid-template-columns: var(--rail-collapsed) 1fr;
}

.sidebar {
    background: linear-gradient(180deg, #0c0c0c 0%, #070707 100%);
    padding: var(--space-4) var(--space-3) var(--space-5);
}

.brand-title {
    font-size: 0.95rem;
    letter-spacing: -0.02em;
}

.brand-mark {
    width: 10px;
    height: 10px;
    border-radius: 1px;
    box-shadow: 0 0 0 2px rgba(230, 59, 46, 0.25);
}

.nav-link {
    position: relative;
    transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.nav-link.active {
    background: rgba(230, 59, 46, 0.14);
    border-left-color: var(--brand-accent);
    font-weight: 600;
}

.nav-section-indicator {
    transition: transform 0.15s ease;
    opacity: 0.7;
}

.topbar {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(8px);
}

.content {
    padding: var(--space-4) var(--space-5) var(--space-6);
}

.page-header {
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--border-subtle);
}

.page-header__eyebrow {
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--brand-accent);
    font-weight: 700;
    margin: 0 0 var(--space-1);
}

.page-header__title {
    margin: 0 0 var(--space-1);
    font-family: var(--font-display);
    font-size: var(--font-size-display);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.15;
}

.page-header__lead {
    margin: 0;
    color: var(--text-secondary);
    max-width: 68ch;
    font-size: var(--font-size-sm);
}

.page-header__chips {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-top: var(--space-2);
}

.metric-strip {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: var(--space-3);
    margin-bottom: var(--space-5);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--border-subtle);
}

.metric-strip--wide {
    grid-template-columns: repeat(6, minmax(0, 1fr));
}

.kpi-card,
.scorecard {
    background: transparent;
    border: 0;
    border-left: 2px solid var(--border-subtle);
    border-radius: 0;
    box-shadow: none;
    padding: 0 var(--space-3);
}

.kpi-card--featured,
.scorecard.tone-positive,
.scorecard.tone-negative {
    border-left-color: currentColor;
}

.kpi-value,
.scorecard-value {
    font-family: var(--font-display);
    font-size: var(--font-size-kpi);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.1;
}

.kpi-change,
.scorecard-change {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.change-arrow {
    font-weight: 700;
}

.tone-positive .kpi-change,
.tone-positive .scorecard-change,
.tone-positive .change-badge {
    color: var(--positive);
}

.tone-negative .kpi-change,
.tone-negative .scorecard-change,
.tone-negative .change-badge {
    color: var(--negative);
}

.workspace-section {
    margin-bottom: var(--space-5);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--border-subtle);
}

.workspace-section--flat,
.workspace-section--compact {
    border-bottom: 0;
    padding-bottom: 0;
}

.workspace-section--observed {
    border-left: 3px solid rgba(15, 122, 69, 0.35);
    padding-left: var(--space-3);
}

.workspace-section--modeled {
    border-left: 3px solid rgba(230, 59, 46, 0.35);
    padding-left: var(--space-3);
}

.workspace-section--table {
    border-bottom: 0;
}

.section-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-3);
    flex-wrap: wrap;
    margin-bottom: var(--space-3);
}

.panel {
    background: transparent;
    border-bottom: 1px solid var(--border-subtle);
    padding-bottom: var(--space-4);
}

.btn {
    border: 1px solid var(--brand-primary);
    border-radius: var(--radius-sm);
    padding: 0.5rem 0.95rem;
    font: inherit;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease;
}

.btn--primary,
.control-submit {
    background: var(--brand-primary);
    color: #fff;
}

.btn--primary:hover,
.control-submit:hover {
    background: #222;
}

.btn--secondary {
    background: var(--surface-primary);
    color: var(--text-primary);
}

.data-table--numeric td.num,
.data-table--numeric th.num,
.data-table--numeric th .sort-link.num {
    text-align: right;
}

.data-table th .sort-link {
    color: inherit;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.sort-link.is-active {
    color: var(--text-primary);
}

.sort-indicator {
    font-size: 0.65rem;
}

.analysis-controls {
    background: var(--surface-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: var(--space-3);
}

.empty-state {
    border-style: solid;
    border-color: var(--border-subtle);
    background: var(--surface-secondary);
}

.empty-state__title {
    margin: 0 0 var(--space-1);
    font-weight: 700;
    color: var(--text-primary);
}

.ask-workspace {
    background: linear-gradient(135deg, rgba(230, 59, 46, 0.04), rgba(10, 10, 10, 0.02));
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: var(--space-4);
}

.ask-response--supported {
    border-left: 3px solid var(--positive);
    padding-left: var(--space-3);
}

.ask-response--unsupported {
    border-left: 3px solid var(--warning);
    padding-left: var(--space-3);
}

.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(238, 240, 243, 0.72);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    z-index: 100;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.15s ease;
}

.loading-overlay.is-visible {
    opacity: 1;
    pointer-events: auto;
}

.loading-spinner {
    width: 22px;
    height: 22px;
    border: 2px solid var(--border-subtle);
    border-top-color: var(--brand-accent);
    border-radius: 50%;
    animation: mi-spin 0.8s linear infinite;
}

@keyframes mi-spin {
    to { transform: rotate(360deg); }
}

.scorecard-grid {
    gap: var(--space-4);
}

.scorecard-section-label {
    margin-bottom: var(--space-1);
}

@media (max-width: 1366px) {
    .metric-strip,
    .metric-strip--wide,
    .kpi-grid--strip {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 960px) {
    .metric-strip,
    .metric-strip--wide {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .page-header__title {
        font-size: 1.35rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .loading-spinner {
        animation: none;
        border-top-color: var(--brand-accent);
    }
}

/* ============================================================
   Phase 3L.1 — Premium intelligence experience
   ============================================================ */

:root {
    --control-height: 2.5rem;
    --control-radius: 6px;
    --surface-elevated: #fff;
    --surface-muted: #f4f5f7;
    --focus-ring: 0 0 0 3px rgba(230, 59, 46, 0.18);
}

/* Form controls */
.form-control {
    appearance: none;
    display: block;
    width: 100%;
    min-height: var(--control-height);
    padding: 0.55rem 0.85rem;
    border: 1px solid var(--border-subtle);
    border-radius: var(--control-radius);
    background: var(--surface-elevated);
    color: var(--text-primary);
    font: inherit;
    font-size: var(--font-size-sm);
    line-height: 1.35;
    transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.form-control:hover:not(:disabled) {
    border-color: #c8ccd4;
    background: #fafbfc;
}

.form-control:focus-visible {
    outline: none;
    border-color: var(--brand-accent);
    box-shadow: var(--focus-ring);
}

.form-control:disabled {
    opacity: 0.55;
    cursor: not-allowed;
    background: var(--surface-muted);
}

.form-select {
    padding-right: 2.25rem;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23666' d='M1.5 1.5 6 6l4.5-4.5'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.85rem center;
    background-size: 10px;
    cursor: pointer;
}

.form-textarea {
    min-height: 6.5rem;
    resize: vertical;
}

.form-search {
    min-width: 14rem;
}

.control-row {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: var(--space-3);
}

.control-field {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    min-width: 10rem;
}

.control-label {
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
}

.filter-bar {
    margin-bottom: var(--space-4);
}

/* Button system */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    min-height: var(--control-height);
    padding: 0.5rem 1.1rem;
    border: 1px solid transparent;
    border-radius: var(--control-radius);
    font: inherit;
    font-size: var(--font-size-sm);
    font-weight: 600;
    line-height: 1;
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease, transform 0.1s ease, box-shadow 0.15s ease;
}

.btn:active:not(:disabled) {
    transform: translateY(1px);
}

.btn:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
}

.btn:disabled,
.btn.is-loading {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

.btn--primary {
    background: linear-gradient(180deg, #141414 0%, #0a0a0a 100%);
    color: #fff;
    border-color: #0a0a0a;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.btn--primary:hover:not(:disabled) {
    background: linear-gradient(180deg, #222 0%, #111 100%);
    border-color: var(--brand-accent);
}

.btn--secondary {
    background: var(--surface-elevated);
    color: var(--text-primary);
    border-color: var(--border-subtle);
}

.btn--secondary:hover:not(:disabled) {
    background: var(--surface-muted);
    border-color: #c8ccd4;
}

.btn--ghost {
    background: transparent;
    color: var(--text-secondary);
    border-color: transparent;
}

.btn--ghost:hover:not(:disabled) {
    background: var(--surface-muted);
    color: var(--text-primary);
}

.btn--danger {
    background: var(--brand-accent);
    color: #fff;
    border-color: var(--brand-accent);
}

.btn--lg {
    min-height: 2.85rem;
    padding: 0.65rem 1.35rem;
    font-size: 0.95rem;
}

.btn-spinner {
    width: 14px;
    height: 14px;
    border: 2px solid rgba(255, 255, 255, 0.35);
    border-top-color: #fff;
    border-radius: 50%;
    animation: mi-spin 0.7s linear infinite;
}

/* Premium tables */
.data-table--premium {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

.data-table--premium thead th {
    position: sticky;
    top: 0;
    z-index: 1;
    background: var(--surface-muted);
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    padding: 0.75rem 0.85rem;
    border-bottom: 2px solid var(--border-subtle);
}

.data-table--premium tbody td {
    padding: 0.7rem 0.85rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    vertical-align: middle;
}

.data-table--premium tbody tr {
    transition: background 0.12s ease;
}

.data-table--interactive tbody tr:hover,
.data-table--premium tbody tr:hover {
    background: rgba(230, 59, 46, 0.04);
}

.data-table--premium th .sort-link:hover {
    color: var(--brand-accent);
}

.table-container--sticky {
    max-height: 28rem;
    overflow: auto;
    border: 1px solid var(--border-subtle);
    border-radius: var(--control-radius);
}

/* Intelligence briefing */
.briefing-questions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.briefing-chip {
    font-size: var(--font-size-xs);
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    padding: 0.35rem 0.65rem;
    border-radius: 999px;
    background: rgba(230, 59, 46, 0.08);
    color: var(--text-secondary);
    border: 1px solid rgba(230, 59, 46, 0.12);
}

.briefing-grid {
    display: grid;
    grid-template-columns: 1.35fr 1fr;
    gap: var(--space-4);
    margin-bottom: var(--space-5);
}

.briefing-grid--secondary {
    grid-template-columns: 1fr 1.2fr;
}

.briefing-panel {
    background: var(--surface-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: var(--space-4);
}

.briefing-panel--stories {
    border-left: 3px solid var(--brand-accent);
}

.story-feed {
    display: grid;
    gap: var(--space-3);
}

.story-brief {
    padding: var(--space-3);
    border-radius: var(--radius-sm);
    background: var(--surface-muted);
    transition: background 0.15s ease, transform 0.15s ease;
}

.story-brief:hover {
    background: #eef0f3;
}

.story-brief__meta {
    display: flex;
    justify-content: space-between;
    gap: var(--space-2);
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin-bottom: var(--space-1);
}

.story-brief__title {
    margin: 0 0 var(--space-1);
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.story-brief__summary,
.story-brief__why,
.story-brief__action,
.story-brief__evidence {
    margin: 0 0 var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.5;
}

.snapshot-list--premium li {
    padding: var(--space-2) 0;
    border-bottom: 1px solid var(--border-subtle);
}

.action-list--premium {
    margin: 0;
    padding-left: 1.25rem;
    line-height: 1.6;
}

.metric-strip--briefing .kpi-card {
    transition: border-color 0.15s ease, transform 0.15s ease;
}

.metric-strip--briefing .kpi-card:hover {
    border-left-color: var(--brand-accent);
}

/* Intelligence feed */
.intelligence-feed {
    display: grid;
    gap: var(--space-3);
}

.intel-card {
    background: var(--surface-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    border-left: 3px solid var(--border-subtle);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.intel-card:hover {
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.05);
}

.intel-card.tone-positive { border-left-color: var(--positive); }
.intel-card.tone-negative { border-left-color: var(--negative); }
.intel-card.tone-warning { border-left-color: var(--warning); }

.intel-card__head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
}

.intel-card__signal {
    display: block;
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--brand-accent);
    margin-bottom: 0.25rem;
}

.intel-card__title {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.intel-card__scope {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    white-space: nowrap;
}

.intel-card__impact {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    margin-bottom: var(--space-2);
    flex-wrap: wrap;
}

.intel-card__metric {
    display: flex;
    align-items: baseline;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.intel-label {
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-muted);
}

.intel-value {
    font-size: 1.35rem;
    font-weight: 700;
    font-family: var(--font-display);
}

.intel-vs {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.change-badge {
    font-size: var(--font-size-sm);
    font-weight: 700;
    padding: 0.25rem 0.55rem;
    border-radius: 999px;
    background: var(--surface-muted);
}

/* Ask intelligence entry */
.ask-entry {
    margin-bottom: var(--space-5);
}

.ask-form--premium {
    background: linear-gradient(135deg, rgba(10, 10, 10, 0.02), rgba(230, 59, 46, 0.04));
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: var(--space-4);
}

.ask-form__actions {
    margin-top: var(--space-3);
}

.example-questions--premium .example-question--premium {
    border-radius: var(--control-radius);
    font-weight: 500;
    transition: border-color 0.15s ease, background 0.15s ease, transform 0.12s ease;
}

.example-questions--premium .example-question--premium:hover {
    border-color: rgba(230, 59, 46, 0.35);
    background: rgba(230, 59, 46, 0.04);
    transform: translateY(-1px);
}

.ask-evidence--premium {
    background: var(--surface-muted);
    border-radius: var(--radius-sm);
    padding: var(--space-3);
}

/* KPI hover */
.kpi-card,
.scorecard {
    transition: border-color 0.15s ease;
}

.kpi-card:hover,
.scorecard:hover {
    border-left-color: rgba(230, 59, 46, 0.45);
}

.pacing-grid--premium .pacing-card {
    transition: box-shadow 0.15s ease, transform 0.12s ease;
}

.pacing-grid--premium .pacing-card:hover {
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.06);
}

.diagnostics-strip--premium .diagnostic-card {
    transition: border-color 0.15s ease;
}

.diagnostics-strip--premium .diagnostic-card:hover {
    border-color: rgba(230, 59, 46, 0.25);
}

@media (max-width: 1366px) {
    .briefing-grid,
    .briefing-grid--secondary {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 960px) {
    .control-row {
        flex-direction: column;
        align-items: stretch;
    }

    .control-field {
        min-width: 0;
        width: 100%;
    }
}

@media (prefers-reduced-motion: reduce) {
    .btn,
    .kpi-card,
    .scorecard,
    .story-brief,
    .intel-card,
    .example-question--premium,
    .data-table--premium tbody tr,
    .pacing-card {
        transition: none;
    }

    .btn:active:not(:disabled),
    .example-question--premium:hover {
        transform: none;
    }

    .btn-spinner {
        animation: none;
    }
}

/* ============================================================
   Phase 4B — Authentication shell
   ============================================================ */

.auth-body {
    min-height: 100vh;
    display: grid;
    place-items: center;
    background: linear-gradient(160deg, #f4f5f7 0%, #eceef2 100%);
}

.auth-shell {
    width: min(100%, 420px);
    padding: var(--space-4);
}

.auth-panel {
    background: #fff;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: var(--space-5);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.06);
}

.auth-eyebrow {
    margin: 0 0 var(--space-1);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--brand-accent);
    font-weight: 700;
}

.auth-title {
    margin: 0 0 var(--space-1);
    font-family: var(--font-display);
    font-size: 1.5rem;
}

.auth-lead {
    margin: 0 0 var(--space-4);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.auth-form {
    display: grid;
    gap: var(--space-3);
}

.auth-remember {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
}

.auth-flashes {
    margin-bottom: var(--space-3);
}

.auth-flash {
    margin: 0 0 var(--space-1);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
}

.auth-flash--error {
    background: rgba(230, 59, 46, 0.08);
    color: var(--negative);
}

.client-select-list {
    display: grid;
    gap: var(--space-2);
}

.client-select-item {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.25rem 0.75rem;
    align-items: center;
    padding: var(--space-3);
    border: 1px solid var(--border-subtle);
    border-radius: var(--control-radius);
    cursor: pointer;
}

.client-select-item:has(input:checked) {
    border-color: rgba(230, 59, 46, 0.45);
    background: rgba(230, 59, 46, 0.04);
}

.client-select-name {
    font-weight: 600;
}

.client-select-slug {
    grid-column: 2;
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

.topbar {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-3);
}

.topbar-account {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-left: auto;
    flex-shrink: 0;
}

.client-switcher {
    min-width: 11rem;
}

.account-chip,
.account-meta {
    font-size: var(--font-size-sm);
}

.account-meta {
    display: grid;
    line-height: 1.3;
}

.account-user {
    font-weight: 600;
}

.account-role {
    color: var(--text-muted);
    font-size: var(--font-size-xs);
}

.btn--sm {
    min-height: 2rem;
    padding: 0.35rem 0.75rem;
    font-size: var(--font-size-xs);
}

.page-flashes {
    margin-bottom: var(--space-3);
}

.page-flash {
    margin: 0 0 var(--space-2);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
}

.page-flash--error {
    background: rgba(230, 59, 46, 0.08);
    color: var(--negative);
}

.page-flash--info {
    background: var(--surface-muted);
    color: var(--text-secondary);
}

/* ---------------------------------------------------------------------------
   Phase 4C — admin area
   --------------------------------------------------------------------------- */

.admin-subnav {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.admin-subnav__link {
    padding: 0.35rem 0.75rem;
    border: 1px solid var(--border-subtle);
    border-radius: 999px;
    background: var(--surface-elevated);
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-decoration: none;
}

.admin-subnav__link:hover {
    color: var(--text-primary);
    border-color: var(--text-muted);
}

.admin-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr));
    gap: var(--space-3);
    margin-bottom: var(--space-3);
}

.admin-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-1);
    padding: var(--space-3);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    background: var(--surface-elevated);
    text-decoration: none;
    color: var(--text-primary);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.admin-card:hover {
    border-color: var(--brand-accent);
    box-shadow: var(--shadow-sm);
}

.admin-card__title {
    font-weight: 700;
    font-size: var(--font-size-base);
}

.admin-card__meta {
    color: var(--text-muted);
    font-size: var(--font-size-xs);
}

.admin-form {
    display: grid;
    gap: var(--space-3);
    margin-top: var(--space-3);
}

.admin-form--inline {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: var(--space-3);
}

.admin-form__actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-3);
}

.admin-field-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
    gap: var(--space-3);
}

.admin-fieldset {
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    margin: 0;
    background: var(--surface-elevated);
}

.admin-fieldset__legend {
    padding: 0 var(--space-2);
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
}

.admin-panel {
    padding: var(--space-4);
    margin-top: var(--space-3);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    background: var(--surface-elevated);
}

.admin-panel__title {
    margin: 0;
    font-size: var(--font-size-md);
    font-weight: 700;
}

.control-help {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

.detail-list {
    display: grid;
    gap: 0;
    margin: var(--space-2) 0 0;
}

.detail-list__row {
    display: grid;
    grid-template-columns: minmax(9rem, 14rem) 1fr;
    gap: var(--space-3);
    padding: 0.45rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.detail-list__row:last-child {
    border-bottom: 0;
}

.detail-list__label {
    margin: 0;
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

.detail-list__value {
    margin: 0;
    font-size: var(--font-size-sm);
    color: var(--text-primary);
}

.config-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(18rem, 1fr));
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.switch-field {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    min-height: var(--control-height);
    font-size: var(--font-size-sm);
    color: var(--text-primary);
}

.mapping-rows {
    display: grid;
    gap: var(--space-2);
}

.mapping-row {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: var(--space-2);
}

.mapping-row__arrow {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

.mapping-list {
    display: grid;
    gap: var(--space-1);
    margin: var(--space-2) 0 0;
    padding: 0;
    list-style: none;
}

.mapping-list__item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
}

.inline-code {
    padding: 0.1rem 0.35rem;
    border-radius: var(--radius-sm);
    background: var(--surface-muted);
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
}

.table-link {
    color: var(--text-primary);
    font-weight: 600;
    text-decoration: none;
    border-bottom: 1px solid transparent;
}

.table-link:hover {
    border-bottom-color: var(--brand-accent);
}

/* Phase 4E.1 Executive Overview + shell context */
.topbar-meta-item--muted {
    color: var(--text-muted);
    font-weight: 400;
}

.client-context {
    display: grid;
    gap: var(--space-2);
    margin: var(--space-5) 0 var(--space-4);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--border-subtle);
}

.client-context__primary {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: var(--space-3);
}

.client-context__period {
    font-size: var(--font-size-md);
    font-weight: 600;
    letter-spacing: -0.01em;
}

.client-context__sep {
    width: 1px;
    height: 1em;
    background: var(--border-subtle);
}

.client-context__compare,
.client-context__trust {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.client-context__trust {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
}

.client-context__more {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.client-context__more summary {
    cursor: pointer;
    color: var(--text-primary);
    font-weight: 500;
}

.client-context__more-body {
    margin-top: var(--space-2);
    color: var(--text-secondary);
}

.period-controls { margin: 0 0 var(--space-6); }

.period-controls__row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    align-items: center;
    justify-content: space-between;
}

.period-segment {
    display: inline-flex;
    flex-wrap: wrap;
    border-bottom: 1px solid var(--border-subtle);
}

.period-segment__option {
    position: relative;
    padding: 0.55rem 0.9rem;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
}

.period-segment__option input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.period-segment__option.is-active {
    color: var(--text-primary);
    font-weight: 600;
    border-bottom-color: var(--brand-accent);
}

.period-controls__compare {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.period-controls__label {
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
}

.period-controls__select,
.period-controls__date {
    border: 0;
    border-bottom: 1px solid var(--border-subtle);
    background: transparent;
    padding: 0.4rem 0.2rem;
    font: inherit;
    color: var(--text-primary);
}

.period-controls__custom {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    align-items: end;
    margin-top: var(--space-3);
}

.eo { max-width: 1080px; }

.eo-hero { margin-bottom: var(--space-7); }

.eo-hero__eyebrow {
    margin: 0 0 var(--space-2);
    font-size: var(--font-size-xs);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--brand-accent);
    font-weight: 600;
}

.eo-hero__title {
    margin: 0;
    font-size: clamp(1.8rem, 3vw, 2.45rem);
    line-height: 1.15;
    letter-spacing: -0.03em;
    font-weight: 650;
    max-width: 14ch;
}

.eo-hero__lead {
    margin: var(--space-3) 0 0;
    max-width: 42rem;
    color: var(--text-secondary);
    font-size: var(--font-size-md);
}

.eo-section {
    padding: var(--space-6) 0;
    border-top: 1px solid var(--border-subtle);
}

.eo-section__head {
    display: flex;
    align-items: baseline;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.eo-section__index {
    margin: 0;
    font-size: var(--font-size-xs);
    letter-spacing: 0.08em;
    color: var(--brand-accent);
    font-weight: 700;
}

.eo-section__title {
    margin: 0;
    font-size: var(--font-size-lg);
    letter-spacing: -0.02em;
}

.eo-kpi-rail {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--space-5);
}

.eo-kpi__label {
    margin: 0 0 var(--space-2);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
}

.eo-kpi__value {
    margin: 0;
    font-size: clamp(1.6rem, 2.4vw, 2rem);
    line-height: 1.1;
    letter-spacing: -0.03em;
    font-weight: 650;
}

.eo-kpi__compare {
    margin-top: var(--space-2);
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.eo-kpi__change { font-weight: 600; }
.eo-kpi__change.tone-positive { color: var(--positive); }
.eo-kpi__change.tone-negative { color: var(--negative); }
.eo-kpi__change.tone-warning { color: var(--warning); }
.eo-kpi__change.tone-neutral { color: var(--text-secondary); }

.eo-movement-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.eo-movement {
    display: grid;
    grid-template-columns: minmax(10rem, 18rem) 1fr;
    gap: var(--space-4);
    padding: var(--space-3) 0;
    border-top: 1px solid var(--border-subtle);
    font-size: var(--font-size-sm);
}

.eo-movement:first-child { border-top: 0; }
.eo-movement span { color: var(--text-secondary); }

.eo-evidence { display: grid; gap: var(--space-5); }
.eo-evidence__item { max-width: 40rem; }

.eo-evidence__domain {
    margin: 0 0 var(--space-1);
    font-size: var(--font-size-xs);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.eo-evidence__title {
    margin: 0 0 var(--space-2);
    font-size: var(--font-size-md);
    letter-spacing: -0.015em;
}

.eo-evidence__why,
.eo-evidence__note {
    margin: 0;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.eo-evidence__note {
    margin-top: var(--space-2);
    color: var(--text-muted);
}

.eo-actions {
    margin: 0;
    padding-left: 1.2rem;
    max-width: 40rem;
    display: grid;
    gap: var(--space-3);
}

.eo-capability-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-4);
}

.capability-notice {
    padding: var(--space-4) 0;
    border-top: 1px solid var(--border-subtle);
}

.capability-notice__title {
    margin: 0 0 var(--space-1);
    font-weight: 600;
}

.capability-notice__text {
    margin: 0;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.eo-deeper summary {
    cursor: pointer;
    font-weight: 600;
    font-size: var(--font-size-md);
    letter-spacing: -0.01em;
}

.eo-deeper__body {
    margin-top: var(--space-4);
    display: grid;
    gap: var(--space-5);
}

.eo-deeper__block h3 {
    margin: 0 0 var(--space-3);
    font-size: var(--font-size-base);
}

.content .empty-state {
    background: transparent;
    border: 0;
    padding: var(--space-2) 0;
}

@media (max-width: 900px) {
    .eo-kpi-rail { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .eo-movement { grid-template-columns: 1fr; gap: var(--space-1); }
}

@media (max-width: 640px) {
    .eo-kpi-rail { grid-template-columns: 1fr; }
    .period-controls__row { flex-direction: column; align-items: stretch; }
}

/* Phase 4E.2 Core analytics */
.ca { max-width: 1120px; }

.eo-kpi-rail--five {
    grid-template-columns: repeat(5, minmax(0, 1fr));
}

.ca-split {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(16rem, 0.9fr);
    gap: var(--space-7);
    align-items: start;
}

.ca-note {
    margin: 0;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.analytics-filters { margin-bottom: var(--space-5); }

.analytics-filters__dims {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    align-items: end;
    margin-top: var(--space-4);
}

.analytics-filters__dims .control-field {
    min-width: 10rem;
}

.analytics-filters__dims .control-field--grow {
    flex: 1 1 14rem;
}

.analytics-filters__more {
    margin-top: var(--space-3);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.analytics-filters__more summary {
    cursor: pointer;
    color: var(--text-primary);
    font-weight: 500;
}

.analytics-filters__more-body {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    margin-top: var(--space-3);
}

.ca-campaign-name {
    font-weight: 600;
    letter-spacing: -0.01em;
}

.ca-campaign-meta {
    color: var(--text-muted);
    font-size: var(--font-size-xs);
    margin-top: 0.15rem;
}

.ca-signal {
    font-size: var(--font-size-xs);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--text-secondary);
    font-weight: 600;
}

tr.is-attention td:first-child {
    box-shadow: inset 2px 0 0 var(--brand-accent);
}

.ca-pacing-list .eo-movement {
    grid-template-columns: minmax(8rem, 12rem) 1fr;
}

.ca-story {
    padding: var(--space-5) 0;
    border-top: 1px solid var(--border-subtle);
    background: transparent;
    box-shadow: none;
    border-radius: 0;
}

.ca-story__head { margin-bottom: var(--space-4); }

.ca-story__scope,
.ca-story__label,
.ca-story__priority {
    margin: 0 0 var(--space-1);
    font-size: var(--font-size-xs);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.ca-story__title {
    margin: 0 0 var(--space-2);
    font-size: clamp(1.15rem, 2vw, 1.4rem);
    letter-spacing: -0.02em;
}

.ca-story__block {
    margin-bottom: var(--space-4);
    max-width: 42rem;
}

.ca-story__block p { margin: 0; color: var(--text-secondary); font-size: var(--font-size-sm); }
.ca-story__metric { margin-top: var(--space-2) !important; color: var(--text-primary) !important; }

.intelligence-feed .intel-card {
    background: transparent;
    border: 0;
    box-shadow: none;
    padding: 0;
}

@media (max-width: 960px) {
    .ca-split { grid-template-columns: 1fr; }
    .eo-kpi-rail--five { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* Phase 4E.2.1 Simplify + intelligence */
.eo--brief { max-width: 920px; }
.eo-hero--compact { margin-bottom: var(--space-4); }
.eo-hero--compact .eo-hero__title {
    max-width: none;
    font-size: clamp(1.55rem, 2.6vw, 2rem);
    margin-bottom: var(--space-3);
}
.eo-trust {
    margin: var(--space-2) 0 0;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}
.eo-export {
    margin-top: var(--space-3);
}
.eo-export__menu {
    position: relative;
    display: inline-block;
}
.eo-export__menu > summary {
    list-style: none;
    cursor: pointer;
}
.eo-export__menu > summary::-webkit-details-marker {
    display: none;
}
.eo-export__panel {
    position: absolute;
    z-index: 20;
    top: calc(100% + 0.35rem);
    left: 0;
    min-width: 14rem;
    padding: var(--space-3);
    background: var(--surface, #fff);
    border: 1px solid var(--border-subtle, #e6e6e6);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    display: grid;
    gap: 0.35rem;
}
.eo-export__scope {
    margin: 0 0 0.35rem;
    font-size: var(--font-size-xs);
}
.eo-export__option {
    display: block;
    width: 100%;
    text-align: left;
    border: 0;
    background: transparent;
    padding: 0.45rem 0.5rem;
    font: inherit;
    color: var(--text, #121212);
    cursor: pointer;
}
.eo-export__option:hover {
    background: var(--surface-muted, #f5f5f5);
}
.eo-kpi-strip {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--space-4);
    padding: var(--space-4) 0;
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
    margin-bottom: var(--space-5);
}
.eo-kpi-inline {
    display: grid;
    gap: 0.2rem;
    min-width: 0;
}
.eo-kpi-inline__label {
    font-size: var(--font-size-xs);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-muted);
}
.eo-kpi-inline__value {
    font-size: clamp(1.35rem, 2vw, 1.75rem);
    font-weight: 650;
    letter-spacing: -0.03em;
    line-height: 1.1;
}
.eo-kpi-inline__compare {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    align-items: baseline;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}
.eo-attention__title {
    margin: 0 0 var(--space-4);
    font-size: var(--font-size-lg);
    letter-spacing: -0.02em;
}
.eo-story-list { display: grid; gap: var(--space-5); }
.eo-story {
    padding-top: var(--space-4);
    border-top: 1px solid var(--border-subtle);
}
.eo-story:first-child { border-top: 0; padding-top: 0; }
.eo-story__title {
    margin: 0 0 var(--space-3);
    font-size: 1.15rem;
    letter-spacing: -0.015em;
}
.eo-story__facts {
    margin: 0;
    display: grid;
    gap: var(--space-3);
    max-width: 42rem;
}
.eo-story__facts dt {
    margin: 0 0 0.15rem;
    font-size: var(--font-size-xs);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-muted);
}
.eo-story__facts dd {
    margin: 0;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}
.eo-quiet {
    margin: 0;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}
.eo-more-caps {
    margin-top: var(--space-6);
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}
.eo-more-caps__list {
    margin: var(--space-2) 0 0;
    padding-left: 1.1rem;
}
.ca--tight .eo-section,
.eo-section--tight {
    padding: var(--space-4) 0;
}
.ca-split--tight { gap: var(--space-5); margin-top: var(--space-2); }
.analytics-filters { margin-bottom: var(--space-2); }
.analytics-filters__dims { margin-top: var(--space-3); }
@media (max-width: 900px) {
    .eo-kpi-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
    .eo-kpi-strip { grid-template-columns: 1fr; }
}

/* Phase 4E.2.2 Premium visual refinement */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.analytics-filters--compact {
    margin: 0 0 var(--space-2);
}

.filter-bar-inline {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.55rem 0.85rem;
    padding: 0.35rem 0;
}

.filter-bar-inline__sep {
    width: 1px;
    height: 1.1rem;
    background: var(--border-subtle);
}

.filter-inline {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    min-width: 0;
}

.filter-inline__label {
    font-size: var(--font-size-xs);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-muted);
    white-space: nowrap;
}

.filter-inline__select {
    border: 0;
    border-bottom: 1px solid var(--border-subtle);
    background: transparent;
    padding: 0.2rem 0.15rem;
    min-height: auto;
    font-size: var(--font-size-sm);
    box-shadow: none;
    border-radius: 0;
}

.filter-inline--grow {
    flex: 1 1 10rem;
}

.analytics-filters--compact .period-segment {
    border-bottom: 0;
    gap: 0.15rem;
}

.analytics-filters--compact .period-segment__option {
    padding: 0.35rem 0.55rem;
    margin-bottom: 0;
    border-bottom: 0;
    border-radius: 0;
}

.analytics-filters--compact .period-segment__option.is-active {
    color: var(--text-primary);
    border-bottom: 2px solid var(--brand-accent);
}

.eo-kpi-strip--row {
    display: flex;
    flex-wrap: nowrap;
    gap: var(--space-5);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    grid-template-columns: none;
}

.eo-kpi-strip--row .eo-kpi-inline {
    flex: 1 1 0;
    min-width: 7.5rem;
}

.eo-kpi-strip--five .eo-kpi-inline {
    min-width: 6.75rem;
}

.eo-kpi-inline__compare .muted {
    font-size: 0.85em;
}

.eo-story--scan {
    padding: var(--space-3) 0;
}

.eo-story--scan .eo-story__title {
    margin-bottom: var(--space-2);
    font-size: 1.2rem;
}

.eo-story__read {
    margin: 0 0 var(--space-2);
    max-width: 40rem;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.45;
}

.eo-story__evidence {
    margin: 0 0 var(--space-2);
    max-width: 40rem;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

.eo-story__action {
    margin: 0;
    max-width: 40rem;
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.eo-story__more,
.eo-story-more-list {
    margin-top: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.eo-story__more summary,
.eo-story-more-list summary {
    cursor: pointer;
    color: var(--text-secondary);
}

.eo-more-caps--subtle {
    margin-top: var(--space-7);
    opacity: 0.85;
}

.eo-more-caps--subtle summary {
    font-weight: 400;
    color: var(--text-muted);
}

.ca-analysis {
    margin-top: var(--space-4);
    padding: var(--space-4) 0;
    border-top: 1px solid var(--border-subtle);
}

.ca-analysis__grid {
    display: grid;
    grid-template-columns: minmax(0, 1.45fr) minmax(14rem, 0.85fr);
    gap: var(--space-5);
    align-items: start;
}

.ca-analysis__head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
}

.ca-analysis__head .eo-section__title {
    margin: 0;
}

.ca-concentrate {
    margin-top: var(--space-2);
    padding: var(--space-4) 0 var(--space-2);
    border-top: 1px solid var(--border-subtle);
}

.ca-concentrate__grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-5);
    margin-top: var(--space-3);
}

.ca-concentrate__label {
    margin: 0 0 var(--space-2);
    font-size: var(--font-size-xs);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-muted);
    font-weight: 600;
}

.ca-rank-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.ca-rank-item {
    display: flex;
    justify-content: space-between;
    gap: var(--space-3);
    align-items: baseline;
    padding: 0.55rem 0;
    border-top: 1px solid var(--border-subtle);
    font-size: var(--font-size-sm);
}

.ca-rank-item:first-child { border-top: 0; }

.ca-rank-item__name {
    font-weight: 600;
    letter-spacing: -0.01em;
}

.ca-rank-item__metrics {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    color: var(--text-secondary);
    justify-content: flex-end;
}

.ca--tight .eo-hero--compact { margin-bottom: var(--space-3); }
.ca--tight .eo-kpi-strip { margin-bottom: var(--space-3); padding: var(--space-3) 0; }

/* ============================================================
   Phase 4E.3A — Planning Media Effectiveness / MMM
   ============================================================ */

.pl-period-note {
    margin: 0.35rem 0 0;
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    max-width: 42rem;
}

.pl-model-chip .filter-inline__value {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.pl-signals { margin-bottom: var(--space-5); }

.pl-mroi-note { margin-top: var(--space-4); }

.pl-response__grid {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: var(--space-6);
    align-items: start;
}

.pl-subhead {
    margin: 0 0 var(--space-3);
    font-size: var(--font-size-md);
    font-weight: 600;
}

.pl-howto {
    margin: 0;
    padding-left: 1.15rem;
    display: grid;
    gap: var(--space-2);
    max-width: 46rem;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.pl-observed-kpis {
    margin-top: var(--space-2);
}

.pl-reliability {
    margin-bottom: var(--space-4);
}

.pl-reliability .capability-notice.tone-warning {
    border-color: color-mix(in srgb, var(--tone-warning, #b45309) 35%, var(--border-subtle));
}

.pl-forecast-chart .chart-shell--tall {
    min-height: 320px;
}

.pl-scenario-badge {
    display: inline-block;
    margin: 0.55rem 0 0;
    font-size: var(--font-size-xs);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-subtle);
    padding-bottom: 0.15rem;
}

.pl-scenario-form {
    display: block;
    width: 100%;
    margin: 0;
}

.pl-scenario-controls {
    display: grid;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}

.pl-scenario-row {
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--border-subtle);
}

.pl-scenario-row__head {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0.35rem 1rem;
    margin-bottom: 0.45rem;
}

.pl-scenario-row__label {
    font-weight: 600;
}

.pl-scenario-row__baseline {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.pl-scenario-row__controls {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 5.5rem minmax(7rem, auto);
    gap: 0.75rem;
    align-items: center;
}

.pl-scenario-range {
    width: 100%;
}

.pl-scenario-number {
    max-width: 5.5rem;
}

.pl-scenario-row__proposed {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    text-align: right;
}

.pl-scenario-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
}

.pl-optimizer-form {
    display: block;
    width: 100%;
    margin: 0;
}

.pl-optimizer-inputs {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-4);
    margin-bottom: var(--space-4);
    max-width: 40rem;
}

.pl-optimizer-field {
    display: grid;
    gap: 0.35rem;
}

.intel-story__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem 0.75rem;
    margin: 0 0 0.35rem;
    font-size: var(--font-size-xs);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.intel-story__urgency {
    font-weight: 600;
    color: var(--text-secondary);
}

.intel-story[data-urgency="urgent"] .intel-story__urgency {
    color: var(--text-primary);
}

.intel-evidence {
    display: grid;
    gap: 0.55rem;
    margin: 0.75rem 0;
}

.intel-evidence div {
    display: grid;
    gap: 0.15rem;
}

.intel-evidence dt {
    font-size: var(--font-size-xs);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.intel-evidence dd {
    margin: 0;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.intel-investigate {
    margin: 0.35rem 0 0;
    font-size: var(--font-size-sm);
}

.intel-investigate a {
    color: var(--text-primary);
    text-decoration: underline;
    text-underline-offset: 0.15em;
}

.pl-compare {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-5);
    padding: var(--space-4) 0;
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
    margin-bottom: var(--space-4);
}

.pl-compare__label {
    margin: 0 0 var(--space-3);
    font-size: var(--font-size-xs);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.pl-compare__col--scenario .pl-compare__label {
    color: var(--text-primary);
}

.pl-compare__metric {
    display: flex;
    justify-content: space-between;
    gap: 0.75rem;
    margin: 0 0 0.55rem;
    font-size: var(--font-size-sm);
}

.pl-compare__metric span {
    color: var(--text-muted);
}

.btn--ghost {
    background: transparent;
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
}

.btn--compact {
    padding: 0.35rem 0.75rem;
    font-size: var(--font-size-sm);
}

@media (max-width: 960px) {
    .eo-kpi-strip--row { flex-wrap: wrap; }
    .ca-analysis__grid,
    .ca-concentrate__grid { grid-template-columns: 1fr; }
    .pl-response__grid { grid-template-columns: 1fr; }
    .pl-compare { grid-template-columns: 1fr; }
    .pl-scenario-row__controls {
        grid-template-columns: 1fr;
    }
    .pl-scenario-row__proposed { text-align: left; }
    .pl-optimizer-inputs { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
    .eo-kpi-strip--row .eo-kpi-inline {
        flex: 1 1 calc(50% - var(--space-5));
    }
}

/* Phase 4E.5A — Super Admin onboarding */
.onboard-steps {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 0.75rem;
    margin: 0 0 1.5rem;
    padding: 0;
    list-style: none;
}
.onboard-steps__item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}
.onboard-steps__item.is-complete { color: var(--text-secondary); }
.onboard-steps__item.is-current {
    color: var(--text-primary);
    font-weight: 600;
}
.onboard-steps__index {
    display: inline-flex;
    width: 1.4rem;
    height: 1.4rem;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-subtle);
    border-radius: 999px;
    font-size: var(--font-size-xs);
}
.onboard-steps__item.is-current .onboard-steps__index {
    border-color: var(--text-primary);
}
.onboard-steps__item.is-locked { opacity: 0.45; }
.onboard-map-table tr.is-attention td { background: rgba(198, 140, 40, 0.06); }
.onboard-map-table tr.is-blocked td { background: rgba(198, 40, 40, 0.05); }
.onboard-validate-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}
.onboard-validate-list__item {
    padding: 0.85rem 1rem;
    border: 1px solid var(--border-subtle);
    border-left-width: 3px;
}
.onboard-validate-list__item.is-blocked { border-left-color: var(--negative); }
.onboard-validate-list__item.is-attention { border-left-color: var(--warning); }
.onboard-validate-list__item.is-info { border-left-color: var(--border-strong); }
.onboard-validate-list__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 0.35rem;
}
.onboard-summary-strip { margin-bottom: 1.25rem; }
.onboard-sample-table { max-height: 280px; overflow: auto; }
.onboard-column-chips { line-height: 1.6; }
.onboard-disclose {
    margin-top: 1rem;
    padding: 0.75rem 0;
}
.onboard-disclose > summary {
    cursor: pointer;
    font-weight: 600;
    color: var(--text-secondary);
}
.onboard-value-list {
    list-style: none;
    margin: 0.75rem 0 0;
    padding: 0;
    display: grid;
    gap: 0.4rem;
}
.onboard-discover-group { margin: 0 0 1.25rem; }
.onboard-discover-group__title {
    margin: 0 0 0.25rem;
    font-size: var(--font-size-md);
}
.onboard-discover-list {
    list-style: none;
    margin: 0.5rem 0 0;
    padding: 0;
    display: grid;
    gap: 0.55rem;
}
.onboard-discover-list__item {
    display: grid;
    grid-template-columns: 1.5rem 1fr;
    gap: 0.55rem;
    align-items: start;
}
.onboard-discover-mark {
    color: var(--positive, #2f7d4a);
    font-weight: 700;
}
.onboard-discover-summary {
    list-style: none;
    margin: 0 0 0.75rem;
    padding: 0;
    display: grid;
    gap: 0.4rem;
}
.onboard-discover-summary li {
    display: grid;
    grid-template-columns: 1.5rem 1fr;
    gap: 0.45rem;
    align-items: center;
}
.admin-panel--danger {
    margin-top: 1.5rem;
    border: 1px solid var(--negative, #b42318);
    padding: 1rem;
}
.topbar-meta-item--manage strong { font-weight: 700; }
.account-chip--manage { border-color: var(--text-primary); }
.onboard-source-simple {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.65rem;
}
.onboard-source-simple li {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    align-items: center;
}
.capability-simple-list {
    margin: 0;
    padding-left: 1.1rem;
    display: grid;
    gap: 0.35rem;
}
.data-table--compact td,
.data-table--compact th {
    padding: 0.35rem 0.55rem;
    font-size: var(--font-size-sm);
}
.admin-form__row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}
@media (max-width: 720px) {
    .admin-form__row { grid-template-columns: 1fr; }
}

.searchable-choice {
    display: grid;
    gap: 0.4rem;
}
.searchable-choice__filter {
    font-size: var(--font-size-sm);
}

.admin-subnav__link.is-active {
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 0.25rem;
}

.table-actions {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    align-items: center;
}
.inline-form {
    display: inline;
    margin: 0;
}
.form-select--compact {
    min-width: 8rem;
    padding: 0.25rem 0.5rem;
    font-size: var(--font-size-sm);
}

.source-manage-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.75rem;
}
.source-manage-card {
    display: grid;
    gap: 0.5rem;
    padding: 0.9rem 1rem;
    border-bottom: 1px solid color-mix(in srgb, var(--color-border, #d0d5dd) 80%, transparent);
}
.source-manage-card__main {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 0.85rem;
    align-items: baseline;
}
.source-manage-card__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    align-items: center;
    font-size: var(--font-size-sm);
    color: var(--color-muted, #667085);
}
.source-manage-card__actions {
    display: flex;
    gap: 0.5rem;
}

.purpose-choice-list {
    display: grid;
    gap: 0.65rem;
    margin: 0.5rem 0 1rem;
}
.purpose-choice {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    padding: 0.85rem 1rem;
    border: 1px solid var(--color-border, #d0d5dd);
    border-radius: 8px;
    cursor: pointer;
}
.purpose-choice:has(input:checked) {
    border-color: var(--color-text, #101828);
    background: color-mix(in srgb, var(--color-text, #101828) 4%, transparent);
}
.purpose-choice input {
    margin-top: 0.2rem;
}
.purpose-choice__body {
    display: grid;
    gap: 0.2rem;
}
.dataset-inventory {
    display: grid;
    gap: 0.5rem;
    margin: 0 0 1.25rem;
    padding: 0;
    list-style: none;
}
.dataset-inventory__item {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    align-items: baseline;
    padding: 0.55rem 0;
    border-bottom: 1px solid var(--color-border, #eaecf0);
}
.dataset-inventory__item:last-child {
    border-bottom: 0;
}
.source-group {
    margin: 0 0 1.5rem;
}
.source-group__title {
    margin: 0 0 0.65rem;
    font-size: var(--font-size-md, 1rem);
}

.discovery-setup__found-label {
    margin: 0 0 0.35rem;
    font-size: var(--font-size-sm);
    color: var(--color-muted, #667085);
}
.discovery-setup--pending {
    border-left: 3px solid color-mix(in srgb, var(--color-accent, #2f6fed) 55%, transparent);
    padding-left: 0.85rem;
}

.refresh-history-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.65rem;
}
.refresh-history-item {
    padding: 0.75rem 0;
    border-bottom: 1px solid color-mix(in srgb, var(--color-border, #d0d5dd) 70%, transparent);
}
.refresh-history-item__head {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0.35rem 1rem;
}
.refresh-history-item__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    margin-top: 0.25rem;
    font-size: var(--font-size-sm);
    color: var(--color-muted, #667085);
}
.refresh-history-row.is-more[hidden] {
    display: none;
}

.loading-overlay .loading-text {
    font-size: var(--font-size-sm);
    color: var(--color-text, #1f2937);
}

/* Basket Intelligence (4F.3) */
.basket-intel .basket-summary-strip {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr));
    gap: 1rem 1.5rem;
    margin: 0;
    padding: 0;
}
.basket-intel .basket-summary-strip dt {
    font-size: var(--font-size-sm);
    color: var(--color-muted, #667085);
}
.basket-intel .basket-summary-strip dd {
    margin: 0.15rem 0 0;
    font-size: 1.25rem;
    font-weight: 600;
}
.basket-limit-banner {
    margin: 0 0 1rem;
    padding: 0.65rem 0.85rem;
    border-left: 3px solid var(--color-accent, #c8102e);
    background: color-mix(in srgb, var(--color-accent, #c8102e) 6%, transparent);
}
.basket-actions {
    white-space: nowrap;
}
.basket-chip-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 0.75rem 0 1rem;
    min-height: 2rem;
    align-items: center;
}
.basket-chip {
    border: 1px solid var(--color-border, #d0d5dd);
    background: #fff;
    color: inherit;
    border-radius: 999px;
    padding: 0.35rem 0.75rem;
    cursor: pointer;
    font: inherit;
}
.basket-chip:hover {
    border-color: var(--color-accent, #c8102e);
}
.basket-split {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
    margin-top: 1rem;
}
@media (min-width: 900px) {
    .basket-split {
        grid-template-columns: 1fr 1fr;
    }
}
.basket-panel {
    padding: 1rem 0;
    border-top: 1px solid var(--color-border, #d0d5dd);
}
.basket-panel__title {
    margin: 0 0 0.5rem;
    font-size: 1rem;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}
.basket-kv {
    display: grid;
    gap: 0.45rem;
    margin: 0.75rem 0;
}
.basket-kv > div {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    border-bottom: 1px solid color-mix(in srgb, var(--color-border, #d0d5dd) 70%, transparent);
    padding: 0.35rem 0;
}
.basket-kv dt {
    color: var(--color-muted, #667085);
}
.basket-kv dd {
    margin: 0;
    font-weight: 600;
}
.basket-reco {
    margin-top: 0.85rem;
}
.basket-method {
    margin-top: 1.5rem;
}

/* Phase 4G.3 — Generate AI Analysis */
.ai-analysis {
  margin: 1.25rem 0 1.75rem;
  padding: 1rem 0 0.25rem;
  border-top: 1px solid rgba(20, 24, 33, 0.08);
}
.ai-analysis__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}
.ai-analysis__title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 650;
}
.ai-analysis__summary {
  margin: 0 0 0.85rem;
}
.ai-analysis__list {
  margin: 0;
  padding-left: 1.1rem;
}
.ai-analysis__result {
  margin-top: 0.75rem;
}