/* exec-brief.css — Executive Brief card under the KPI cards (Executive Summary page).
   Tokens only; no new colors. Tables mirror .channel-breakdown-table so the brief
   reads as part of the same page. */

.exec-brief-title {
    display: flex;
    align-items: baseline;
    gap: var(--space-12);
    flex-wrap: wrap;
}

.exec-brief-period {
    font-size: var(--text-xs);
    font-weight: 400;
    color: var(--text-tertiary);
    letter-spacing: 0.01em;
}

.exec-brief-toggle {
    margin-left: auto;
    background: none;
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: var(--text-xs);
    padding: var(--space-4) var(--space-12);
    cursor: pointer;
}

.exec-brief-toggle:hover {
    border-color: var(--border);
    color: var(--text-primary);
}

.exec-brief-section.is-collapsed .exec-brief-card {
    display: none;
}

.exec-brief-card {
    padding: var(--space-24);
}

.exec-brief-body {
    font-size: var(--text-sm);
    line-height: 1.65;
    color: var(--text-primary);
    max-width: 64rem;
}

.exec-brief-body > *:first-child {
    margin-top: 0;
}

.exec-brief-body p {
    margin: 0 0 var(--space-12) 0;
}

.exec-brief-body h3.exec-brief-h2 {
    margin: var(--space-24) 0 var(--space-8) 0;
    font-size: var(--text-lg);
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--text-primary);
}

.exec-brief-body h4.exec-brief-h3,
.exec-brief-body h4.exec-brief-h4 {
    margin: var(--space-16) 0 var(--space-8) 0;
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--text-primary);
}

.exec-brief-body strong {
    font-weight: 650;
    color: var(--ds-deep-teal);
}

.exec-brief-list {
    margin: 0 0 var(--space-12) 0;
    padding-left: var(--space-20);
}

.exec-brief-list li {
    margin-bottom: var(--space-4);
}

/* Wide tables scroll inside their own container — the page body never does. */
.exec-brief-table-wrap {
    overflow-x: auto;
    margin: 0 0 var(--space-16) 0;
}

.exec-brief-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--text-sm);
    min-width: 340px;
}

.exec-brief-table th,
.exec-brief-table td {
    padding: var(--space-8) var(--space-12);
    border-bottom: 1px solid var(--border-soft);
    text-align: left;
}

.exec-brief-table th {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    background: var(--ds-surface-header);
    white-space: nowrap;
}

.exec-brief-table td {
    font-variant-numeric: tabular-nums;
}

.exec-brief-table tbody tr:last-child td {
    border-bottom: none;
}

.exec-brief-meta {
    margin-top: var(--space-16);
    padding-top: var(--space-12);
    border-top: 1px solid var(--border-soft);
    font-size: var(--text-xs);
    color: var(--text-tertiary);
}

/* A window whose retailer feeds are still landing — the figures will still move. */
.exec-brief-meta.is-provisional {
    color: var(--warning, #b45309);
}

/* Loading state — the brief waits on an LLM, the cards above it do not. */
.exec-brief-skeleton {
    display: flex;
    flex-direction: column;
    gap: var(--space-12);
}

.exec-brief-skeleton span {
    display: block;
    height: 12px;
    border-radius: var(--radius-sm);
    background: linear-gradient(90deg, var(--ds-green-light-4) 25%, var(--ds-green-light-3) 50%, var(--ds-green-light-4) 75%);
    background-size: 200% 100%;
    animation: exec-brief-shimmer 1.4s ease-in-out infinite;
}

.exec-brief-skeleton span:nth-child(1) { width: 45%; }
.exec-brief-skeleton span:nth-child(2) { width: 100%; }
.exec-brief-skeleton span:nth-child(3) { width: 92%; }
.exec-brief-skeleton span:nth-child(4) { width: 68%; }

@keyframes exec-brief-shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

@media (prefers-reduced-motion: reduce) {
    .exec-brief-skeleton span { animation: none; }
}