.billing-dialog{box-sizing:border-box;margin:auto;width:min(540px,calc(100vw - 28px));max-height:88dvh;overflow:auto;padding:24px;border:1px solid var(--border);border-radius:14px;color:var(--text);background:var(--card)}
.billing-dialog::backdrop{background:#0008}.billing-dialog header{display:flex;align-items:center;justify-content:space-between;gap:16px}.billing-dialog h3{font-size:18px;margin:0}.billing-dialog p,.billing-notice p{font-size:13px;line-height:1.8;overflow-wrap:anywhere}.billing-dialog footer{display:flex;justify-content:flex-end;flex-wrap:wrap;gap:8px;margin-top:20px}.billing-dialog button,.billing-notice button{padding:8px 12px;border:1px solid var(--border);border-radius:6px;color:var(--text);background:var(--card-2);font:inherit;font-size:12px;cursor:pointer}.billing-dialog footer button:last-child{background:var(--brand);color:var(--on-brand,#fff)}.billing-dialog label{display:grid;gap:8px;font-size:13px}.billing-dialog select{padding:9px;color:var(--text);background:var(--card-2);border:1px solid var(--border);border-radius:6px}
.billing-notice{box-sizing:border-box;padding:12px 14px;margin:10px 0;border:1px solid var(--border);border-radius:8px;background:var(--card-2);color:var(--text);font-size:13px}.billing-notice strong{color:var(--brand);font-size:13px}.billing-notice p{margin:5px 0}.billing-floating{position:fixed;right:20px;bottom:20px;z-index:1100;width:min(390px,calc(100vw - 40px));max-height:40dvh;overflow:auto}.billing-operation{padding:12px 0;border-bottom:1px solid var(--border);font-size:13px;overflow-wrap:anywhere}.billing-operation summary{display:flex;flex-wrap:wrap;gap:7px 16px;align-items:center;cursor:pointer}.billing-operation summary>span:first-child{flex:1 1 200px;min-width:0}.billing-operation small{color:var(--text-sub)}.billing-operation dl{display:grid;grid-template-columns:100px 1fr;gap:8px}.billing-operation dd{margin:0}.billing-operation p{font-size:12px;color:var(--text-sub)}
.billing-operation summary::before{content:'›';color:var(--muted);font-size:20px;line-height:1;transition:transform .15s}.billing-operation[open]>summary::before{transform:rotate(90deg)}.billing-operation-body{margin-top:14px;padding:14px 16px;border:1px solid var(--border);border-radius:8px;background:var(--card-2)}.billing-operation .billing-operation-body dl{margin:0 0 14px;gap:10px;font-size:13px;line-height:1.6}.billing-operation .billing-operation-body p{margin:7px 0;line-height:1.7}.billing-operation summary>span:last-child{color:var(--text-sub);font-size:12px}.billing-notice button+button{margin-left:8px}.chat-composer>.billing-notice{text-align:left;margin-bottom:0;padding:10px 12px}.chat-composer>.billing-notice p{display:inline;margin-left:10px}.chat-composer>.billing-notice button{margin-left:10px}
@media(max-width:600px){.billing-operation summary>small{flex-basis:100%;order:3}.chat-composer>.billing-notice p{display:block;margin-left:0}.billing-operation-body{padding:12px}}