.usage-model-report-root {
  margin-top: 8px;
}

/* admin 后台也复用 favorite-item 块样式 */
.usage-model-report-root .favorite-item,
.usage-model-card.favorite-item {
  border: 1px solid #475569;
  border-radius: 10px;
  padding: 12px;
  background: rgba(15, 23, 42, 0.55);
  color: inherit;
  font: inherit;
}

.usage-model-report-root .favorite-item-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.usage-model-report-root .favorite-item-title {
  font-weight: 600;
  color: #f1f5f9;
  font-size: 0.92rem;
}

.usage-model-report-root .favorite-item-meta {
  font-size: 0.82rem;
  color: #94a3b8;
}

.usage-model-report-root .preset-empty {
  color: #94a3b8;
  padding: 16px 4px;
}

.usage-model-report-root .btn-small {
  border: 1px solid #475569;
  background: #0f172a;
  color: #e2e8f0;
  border-radius: 8px;
  padding: 6px 12px;
  cursor: pointer;
}

.usage-model-report-root .btn-primary-small {
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  border-color: transparent;
  color: #fff;
}

.usage-report-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.usage-report-toolbar-left,
.usage-report-toolbar-right {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.usage-report-month-label {
  color: #94a3b8;
  font-size: 0.82rem;
}

.usage-report-month-select,
.usage-report-user-select {
  background: #0f172a;
  border: 1px solid #475569;
  color: #e2e8f0;
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 0.85rem;
}

.usage-report-total {
  color: #94a3b8;
  font-size: 0.85rem;
}

.usage-report-total strong {
  color: #fb7185;
}

.usage-model-grid {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.usage-model-card {
  width: 100%;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.usage-model-card:hover {
  border-color: #818cf8;
  background: rgba(99, 102, 241, 0.12);
}

.usage-model-type-badge {
  flex-shrink: 0;
  font-size: 0.72rem;
  color: #c7d2fe;
  background: rgba(99, 102, 241, 0.2);
  border: 1px solid rgba(129, 140, 248, 0.35);
  border-radius: 999px;
  padding: 2px 8px;
}

.usage-model-meta {
  color: #94a3b8;
}

.usage-model-meta strong {
  color: #fb7185;
}

.usage-summary-report,
.usage-daily-report {
  border: 1px solid #334155;
  border-radius: 16px;
  padding: 18px;
  background: linear-gradient(180deg, rgba(30, 41, 59, 0.95), rgba(15, 23, 42, 0.98));
}

.usage-summary-head,
.usage-daily-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
  padding-bottom: 12px;
  border-bottom: 1px solid #334155;
  margin-bottom: 16px;
}

.usage-summary-brand {
  font-weight: 600;
  color: #e2e8f0;
}

.usage-summary-range,
.usage-daily-legend,
.usage-daily-sub,
.usage-daily-foot {
  color: #94a3b8;
  font-size: 0.78rem;
}

.usage-summary-kicker {
  color: #fb7185;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.usage-summary-title {
  font-size: 1.15rem;
  color: #f8fafc;
  margin-bottom: 8px;
}

.usage-summary-hero-value {
  font-size: 2.2rem;
  line-height: 1.1;
  color: #fb7185;
  font-weight: 700;
  margin: 8px 0 10px;
}

.usage-summary-hero-value span {
  font-size: 1rem;
  font-weight: 500;
  color: #fda4af;
}

.usage-summary-desc {
  color: #94a3b8;
  font-size: 0.85rem;
  line-height: 1.5;
}

.usage-summary-cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-top: 18px;
}

.usage-summary-card {
  border: 1px solid #334155;
  border-radius: 12px;
  padding: 12px;
  background: rgba(15, 23, 42, 0.65);
}

.usage-summary-card-label {
  color: #94a3b8;
  font-size: 0.72rem;
  margin-bottom: 6px;
}

.usage-summary-card-value {
  color: #f8fafc;
  font-size: 1.25rem;
  font-weight: 700;
}

.usage-summary-card-value-sm {
  font-size: 0.95rem;
}

.usage-summary-card-sub {
  margin-top: 6px;
  color: #64748b;
  font-size: 0.72rem;
}

.usage-summary-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 16px;
}

.usage-daily-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.usage-daily-row {
  display: grid;
  grid-template-columns: 52px 1fr minmax(110px, auto);
  gap: 10px;
  align-items: center;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(15, 23, 42, 0.55);
  border: 1px solid #334155;
}

.usage-daily-date {
  color: #cbd5e1;
  font-size: 0.85rem;
  font-weight: 600;
}

.usage-daily-bar-wrap {
  height: 10px;
  border-radius: 999px;
  background: rgba(51, 65, 85, 0.8);
  overflow: hidden;
}

.usage-daily-bar {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, #e11d48, #fb7185);
}

.usage-daily-bar.is-rest {
  background: linear-gradient(90deg, #a16207, #fbbf24);
}

.usage-daily-value {
  text-align: right;
  color: #cbd5e1;
  font-size: 0.8rem;
  white-space: nowrap;
}

.usage-daily-foot {
  margin-top: 12px;
}

@media (max-width: 720px) {
  .usage-summary-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .usage-daily-row {
    grid-template-columns: 48px 1fr;
  }
  .usage-daily-value {
    grid-column: 1 / -1;
    text-align: left;
  }
}