/* SPEC-0017 — Inteligência de cobrança e Assinaturas em risco. Tokens de style.css (DESIGNSYSTEM.MD). */
.bi-section { display: grid; gap: 20px; margin-bottom: 24px; }
.risk-subtitle { margin-top: 16px; color: var(--text-secondary); font-size: var(--fs-sm); font-weight: 600; }
.bi-section h3, .risk-card h2 { margin-bottom: 4px; }
.bi-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 20px; }

.bi-kpis { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-top: 14px; }
.bi-kpis-two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.bi-kpi { padding: 12px 14px; border: 1px solid var(--border); border-radius: 12px; min-width: 0; }
.bi-kpi small { display: block; color: var(--text-muted); font-size: var(--fs-xs); }
.bi-kpi strong { display: block; font-size: var(--fs-xl); font-variant-numeric: tabular-nums; }
.bi-kpi .is-down { color: var(--red); }
.bi-kpi .is-up { color: var(--green); }
.bi-tag { display: inline-block; margin-left: 6px; padding: 1px 6px; border-radius: 999px; border: 1px solid var(--border); color: var(--text-muted); font-size: var(--fs-2xs); text-transform: uppercase; letter-spacing: .04em; }
.bi-kpi .bi-kpi-action { margin-top: 10px; }

/* Barras: neutras; o mês atual em dourado; linha tracejada = mediana dos meses anteriores. */
.bi-chart { position: relative; height: 170px; margin-top: 18px; }
.bi-bars { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 8px; align-items: end; height: 100%; }
.bi-bar { display: flex; flex-direction: column; align-items: center; justify-content: flex-end; gap: 6px; height: 100%; min-width: 0; }
.bi-bar i { display: block; width: 100%; border-radius: 4px 4px 0 0; background: rgba(245, 245, 247, .16); }
.bi-bar.is-current i { background: var(--accent); }
.bi-bar.is-partial i { background-image: repeating-linear-gradient(135deg, rgba(10, 11, 20, .35) 0 4px, transparent 4px 8px); }
.bi-bar b { font-weight: 600; font-size: var(--fs-2xs); color: var(--text-secondary); font-variant-numeric: tabular-nums; white-space: nowrap; }
.bi-ref { position: absolute; left: 0; right: 0; border-top: 1px dashed rgba(245, 245, 247, .45); pointer-events: none; }
.bi-chart-legend { display: flex; align-items: center; gap: 8px; margin-top: 14px; color: var(--text-secondary); font-size: var(--fs-xs); }
.bi-chart-legend[hidden] { display: none; }
.bi-ref-swatch { width: 18px; border-top: 1px dashed rgba(245, 245, 247, .6); }
.bi-axis { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 8px; margin-top: 6px; }
.bi-axis span { text-align: center; color: var(--text-muted); font-size: var(--fs-2xs); white-space: nowrap; }

.bi-insight { margin-top: 12px; padding: 10px 12px; border: 1px solid rgba(201, 160, 67, .25); border-radius: 10px; background: rgba(201, 160, 67, .08); color: var(--text-primary); font-size: var(--fs-sm); line-height: 1.5; }
.bi-note { margin-top: 10px; color: var(--text-muted); font-size: var(--fs-xs); line-height: 1.5; }
.bi-note:empty { display: none; }

/* Faixas ordenadas: um tom só, do claro (antes) ao escuro (mais tarde). */
.bi-stack { display: flex; height: 14px; margin: 16px 0 12px; overflow: hidden; border-radius: 999px; background: rgba(255, 255, 255, .04); }
.bi-legend { display: grid; gap: 8px; margin: 0; padding: 0; list-style: none; }
.bi-legend li { display: grid; grid-template-columns: 12px minmax(0, 1fr) auto auto; gap: 10px; align-items: center; font-size: var(--fs-sm); }
.bi-legend i { width: 10px; height: 10px; border-radius: 3px; }
.bi-legend strong { font-variant-numeric: tabular-nums; }
.bi-legend em { min-width: 96px; color: var(--text-muted); font-style: normal; font-variant-numeric: tabular-nums; text-align: right; }

.bi-table-wrapper { margin-top: 12px; overflow-x: auto; }
.bi-table td.td-name { min-width: 0; max-width: 260px; }
.bi-details { margin-top: 12px; }
.bi-table .bi-empty { color: var(--text-muted); text-align: center; }
.bi-details summary { color: var(--accent); font-size: var(--fs-sm); cursor: pointer; }

.risk-level { display: inline-flex; align-items: center; gap: 6px; font-size: var(--fs-2xs); font-weight: 600; text-transform: uppercase; letter-spacing: .04em; white-space: nowrap; }
.risk-level::before { content: ""; width: 8px; height: 8px; border-radius: 2px; background: currentColor; }
.risk-level.is-limit { color: var(--red); }
.risk-level.is-risk { color: var(--orange); }
.risk-level.is-attention { color: var(--yellow); }

@media (max-width: 900px) {
    .bi-grid { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 600px) {
    .bi-kpis { grid-template-columns: minmax(0, 1fr); }
    .bi-bars, .bi-axis { gap: 3px; }
    .bi-bar:not(.is-current) b { visibility: hidden; }
}