.ai-usage { --au-muted:#68625c; font-size:15px; min-width:0; }
.ai-usage h2 { margin:0; font-size:24px; }
.ai-usage h2 span { display:inline-block; font-size:13px; color:#8e3e1d; background:#fae9df; padding:5px 9px; border-radius:6px; vertical-align:middle; }
.ai-usage h3 { font-size:18px; margin:0; }
.ai-usage h4 { margin:0; font-size:16px; }
.au-heading { display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:12px; margin-bottom:14px; }
.au-heading p,.au-note { color:var(--au-muted); font-size:13px; line-height:1.7; margin:8px 0; }
.au-health { padding:12px 14px; border-left:3px solid #2d8c50; background:#eff6f0; font-size:13px; line-height:1.7; margin-bottom:10px; }
.au-health:empty { display:none; }
.au-health.au-warning { border-color:#bc7b29; background:#fcf3e5; }
[data-usage-message] { color:#a5372d; font-size:14px; }
.au-presets,.au-shortcuts,.au-controls { display:flex; flex-wrap:wrap; gap:8px; margin:12px 0; }
.au-filter-box { border:1px solid var(--rule); padding:12px 16px; background:#ffffffb8; border-radius:10px; margin-bottom:18px; }
.au-filter-box summary { cursor:pointer; font-weight:700; }
.au-filters { display:grid; grid-template-columns:repeat(5,minmax(0,1fr)); gap:6px 12px; }
.ai-usage label { color:var(--au-muted); font-size:13px; }
.ai-usage label input,.ai-usage label select { display:block; margin-top:6px; color:var(--ink); min-width:0; }
.au-filter-actions { grid-column:1/-1; display:flex; gap:8px; margin-top:10px; }
.au-stats { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); border-block:1px solid var(--rule); background:#fff; }
.au-stats:empty { display:none; }
.au-stats>div { padding:18px; border-right:1px solid var(--rule); min-width:0; }
.au-stats span,.au-stats small { color:var(--au-muted); font-size:13px; display:block; line-height:1.6; }
.au-stats strong { display:block; font-size:26px; font-variant-numeric:tabular-nums; margin:8px 0; overflow-wrap:anywhere; }
.au-section { background:#fff; border:1px solid var(--rule); border-radius:10px; padding:18px; margin-top:18px; min-width:0; }
.au-inline { display:flex!important; gap:8px; align-items:center; margin:0!important; white-space:nowrap; }
.au-inline select { width:auto; margin:0!important; max-width:220px; }
.au-chart { max-height:320px; overflow-y:auto; }
.au-bar-row { display:grid; grid-template-columns:150px minmax(50px,1fr) 190px; align-items:center; gap:12px; font-size:13px; padding:5px 0; font-variant-numeric:tabular-nums; }
.au-bar-track { background:#f5f3f0; height:18px; border-radius:3px; overflow:hidden; }
.au-bar-track i { display:block; height:100%; background:#c2572a; }
.au-scroll { max-width:100%; overflow-x:auto; }
.ai-usage table { width:100%; border-collapse:collapse; font-size:13px; font-variant-numeric:tabular-nums; }
.ai-usage th,.ai-usage td { padding:11px 10px; border-bottom:1px solid var(--rule); text-align:left; white-space:nowrap; }
.ai-usage th { font-weight:650; color:var(--au-muted); background:#faf9f7; }
.ai-usage td small { display:block; color:var(--au-muted); margin-top:4px; }
.ai-usage button.secondary { color:var(--au-muted); }
.ai-usage button:focus-visible,.ai-usage summary:focus-visible { outline:3px solid #2a7b9b; outline-offset:2px; }
.ai-usage .au-link { color:#276b85; background:transparent; padding:5px 0; font-size:inherit; border-radius:0; text-decoration:underline; text-underline-offset:3px; }
.au-empty { color:var(--au-muted); padding:22px 0; text-align:center; }
.au-pagination { display:flex; justify-content:flex-end; align-items:center; flex-wrap:wrap; gap:12px; margin-top:16px; font-size:13px; }
.au-detail:empty { display:none; }
.au-detail { background:#f7f6f3; border:1px solid var(--rule); padding:16px; margin-top:16px; border-radius:8px; }
.au-detail dl { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:12px; font-size:13px; }
.au-detail dt { color:var(--au-muted); }
.au-detail dd { margin:4px 0 0; overflow-wrap:anywhere; }
@media(max-width:1000px) { .au-filters {grid-template-columns:repeat(3,minmax(0,1fr));} .au-stats {grid-template-columns:repeat(2,minmax(0,1fr));} }
@media(max-width:600px) {
  .au-filters {grid-template-columns:repeat(2,minmax(0,1fr));} .au-section,.au-filter-box {padding:12px;}
  .au-stats>div {padding:12px;} .au-stats strong {font-size:22px;} .au-detail dl {grid-template-columns:1fr;}
  .au-bar-row {grid-template-columns:112px minmax(20px,1fr) 95px;gap:6px;font-size:11px;}
  .au-pagination {justify-content:space-between;} .ai-usage button {min-height:42px;} .au-heading h2 {font-size:22px;}
}