.bt-chip{position:fixed;top:10px;right:12px;z-index:9000;background:#2b6cff;color:#fff;border:0;border-radius:999px;padding:4px 12px;font:600 12px/1.4 system-ui,sans-serif;cursor:pointer;letter-spacing:.04em}
.bt-wrap{position:fixed;inset:0;z-index:9100;background:rgba(10,14,22,.72);display:flex;align-items:center;justify-content:center;padding:16px}
.bt-card{background:#fff;color:#111;border-radius:12px;max-width:420px;width:100%;max-height:92vh;overflow:auto;padding:20px;font:15px/1.45 system-ui,sans-serif}
@media (prefers-color-scheme:dark){.bt-card{background:#161b26;color:#e8ecf4}.bt-card input,.bt-card select{background:#0f131c;color:#e8ecf4;border-color:#333c52}}
.bt-card h2{margin:0 0 4px;font-size:18px}
.bt-card p{margin:4px 0 12px;opacity:.8}
.bt-card label{display:block;margin:10px 0 4px;font-weight:600;font-size:13px}
.bt-card input,.bt-card select{width:100%;box-sizing:border-box;padding:9px;border:1px solid #c8cfdd;border-radius:8px;font-size:16px}
.bt-row{display:flex;gap:8px;margin-top:14px}
.bt-btn{flex:1;border:0;border-radius:8px;padding:10px;font:600 15px system-ui,sans-serif;background:#2b6cff;color:#fff;cursor:pointer}
.bt-btn.alt{background:#e3e8f2;color:#223}
.bt-err{color:#c0392b;min-height:18px;margin-top:8px;font-size:13px}
.bt-dots{display:flex;gap:6px;margin-bottom:10px}.bt-dots i{flex:1;height:4px;border-radius:2px;background:#d5dbe8}.bt-dots i.on{background:#2b6cff}
.bt-sum{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:10px 0}.bt-sum div{background:rgba(120,130,160,.14);border-radius:8px;padding:8px;text-align:center}.bt-sum b{display:block;font-size:17px}
.bt-list{margin:8px 0 0;padding:0;list-style:none;font-size:13px}.bt-list li{display:flex;justify-content:space-between;padding:5px 0;border-bottom:1px solid rgba(120,130,160,.25)}
.bt-up{color:#1a9a55}.bt-down{color:#c0392b}