.fb-fab{position:fixed;right:22px;bottom:22px;z-index:8500;display:flex;align-items:center;gap:7px;
  background:var(--blue);color:#fff;border:none;border-radius:24px;padding:10px 16px;font-size:13px;font-weight:600;
  cursor:pointer;box-shadow:0 6px 20px rgba(31,111,235,.45);transition:transform .15s,box-shadow .15s;user-select:none}
.fb-fab:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(31,111,235,.55)}
.fb-box{width:460px;max-width:92vw;max-height:88vh;overflow-y:auto}
.fb-box label{display:block;font-size:11px;color:var(--t3);margin:10px 0 4px}
.fb-box select,.fb-box textarea,.fb-box input{width:100%;background:var(--inp);border:1px solid var(--b1);
  border-radius:6px;padding:8px 10px;color:var(--t1);font-size:13px}
.fb-box select:focus,.fb-box textarea:focus,.fb-box input:focus{outline:none;border-color:var(--blue)}
.fb-box textarea{resize:vertical;min-height:96px;line-height:1.6}
.fb-cat{display:flex;gap:8px;flex-wrap:wrap}
.fb-cat .fb-chip{flex:1;min-width:92px;text-align:center;padding:8px 6px;border:1px solid var(--b1);border-radius:8px;
  background:var(--inp);color:var(--t2);cursor:pointer;font-size:12px;transition:.12s;user-select:none}
.fb-cat .fb-chip.on{border-color:var(--blue);color:var(--t1);background:rgba(31,111,235,.14)}
.fb-mine{margin-top:12px;border-top:1px solid var(--b1);padding-top:10px}
.fb-mine-item{font-size:12px;color:var(--t2);padding:7px 0;border-bottom:1px dashed var(--b2)}
.fb-mine-item .fb-st{font-size:10px;padding:1px 7px;border-radius:10px;margin-left:6px}
.fb-toast{position:fixed;left:50%;bottom:80px;transform:translateX(-50%);z-index:9999;background:#1a4731;color:#3fb950;
  border:1px solid #238636;border-radius:8px;padding:10px 18px;font-size:13px;box-shadow:0 6px 20px rgba(0,0,0,.4);
  opacity:0;transition:opacity .25s,bottom .25s;pointer-events:none}
.fb-toast.show{opacity:1;bottom:96px}
.fb-toast.err{background:#3d1418;color:#f85149;border-color:#da3633}