:root{--fb-bg:#111;--fb-bg-2:#1b1b1b;--fb-fg:#f5f5f5;--fb-muted:#b8b8b8;--fb-accent:#4d9fff;--fb-shadow:0 12px 30px rgba(0,0,0,.35)}
.fb-ui, .fb-ui *{box-sizing:border-box;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}
.fb-button{position:fixed;right:18px;bottom:18px;z-index:2147483000;display:flex;align-items:center;gap:8px;padding:10px 14px;border-radius:999px;background:rgba(17,17,17,.8);color:var(--fb-fg);border:1px solid rgba(255,255,255,.12);backdrop-filter:blur(8px);cursor:pointer;transition:transform .2s ease,opacity .2s ease;box-shadow:var(--fb-shadow)}
.fb-button:hover{transform:translateY(-1px)}
.fb-button.fb-active{background:rgba(77,159,255,.9)}
.fb-panel{position:fixed;right:18px;bottom:68px;z-index:2147483000;background:rgba(17,17,17,.92);color:var(--fb-fg);border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:10px;min-width:210px;display:none;box-shadow:var(--fb-shadow);backdrop-filter:blur(10px)}
.fb-panel.fb-show{display:block}
.fb-panel button{width:100%;margin:6px 0;padding:8px 10px;border-radius:10px;border:1px solid rgba(255,255,255,.12);background:var(--fb-bg-2);color:var(--fb-fg);cursor:pointer}
.fb-panel button:hover{background:#222}
.fb-pins{position:fixed;inset:0;pointer-events:none;z-index:2147482000}
.fb-pin{position:absolute;transform:translate(-50%,-50%);width:28px;height:28px;border-radius:50%;background:var(--fb-accent);color:#fff;font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;box-shadow:var(--fb-shadow);pointer-events:auto}
.fb-pin:hover .fb-tooltip{opacity:1;pointer-events:auto}
.fb-tooltip{position:absolute;left:50%;bottom:34px;transform:translate(-50%,6px);background:rgba(17,17,17,.95);color:var(--fb-fg);border:1px solid rgba(255,255,255,.12);border-radius:10px;padding:10px 12px;white-space:normal;word-wrap:break-word;overflow-wrap:break-word;max-width:280px;min-width:120px;opacity:0;transition:opacity .15s ease,transform .15s ease;font-size:12px;line-height:1.5;pointer-events:none;box-shadow:var(--fb-shadow)}
.fb-tooltip-comment{display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:4px}
.fb-tooltip-meta{font-size:10px;color:var(--fb-muted);margin-top:4px;opacity:.7}
.fb-mode{cursor:crosshair!important}
.fb-hide-pins .fb-pin{display:none}
.fb-popover{position:fixed;z-index:2147483001;background:rgba(17,17,17,.95);color:var(--fb-fg);border:1px solid rgba(255,255,255,.12);border-radius:12px;padding:10px;width:min(260px,80vw);box-shadow:var(--fb-shadow)}
.fb-popover textarea{width:100%;min-height:70px;background:#0f0f0f;border:1px solid rgba(255,255,255,.12);border-radius:8px;color:var(--fb-fg);padding:8px;resize:vertical}
.fb-popover .fb-actions{display:flex;gap:8px;margin-top:8px}
.fb-popover .fb-actions button{flex:1;padding:7px 10px;border-radius:8px;border:1px solid rgba(255,255,255,.12);background:var(--fb-bg-2);color:var(--fb-fg);cursor:pointer}
.fb-popover .fb-actions button.fb-save{background:var(--fb-accent);border-color:transparent}
.fb-toast{position:fixed;right:18px;bottom:140px;z-index:2147483002;background:rgba(0,0,0,.85);color:#fff;padding:8px 12px;border-radius:10px;font-size:12px;opacity:0;transform:translateY(6px);transition:opacity .2s ease,transform .2s ease}
.fb-toast.fb-show{opacity:1;transform:translateY(0)}
@media (max-width:480px){.fb-button{right:12px;bottom:12px}.fb-panel{right:12px;bottom:60px}.fb-tooltip{max-width:min(240px,70vw);left:auto;right:0;transform:translate(0,6px)}.fb-pin:hover .fb-tooltip{transform:translate(0,0)}}