/* Virtuelles Büro (Team) – Präfix bu- */
.bu-bar,.bu-editbar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.bu-bar[hidden],.bu-editbar[hidden]{display:none}
.bu-spacer{flex:1}
.bu-info{font-size:.84rem;color:var(--text-primary,#1a1a1a);display:flex;align-items:center;gap:6px}
.bu-punkt{width:9px;height:9px;border-radius:50%;background:#B0B5BB;display:inline-block}
.bu-punkt.on{background:#27AE60}
.bu-info .bu-punkt:not(:first-child){margin-left:10px}
.bu-tipp{font-size:.76rem;color:var(--text-muted,#666)}

.bu-stage{position:relative;width:100%;max-width:calc((100vh - 235px) * var(--bu-ratio,1.6));margin:0 auto;background:#EEF0F2;
  border:1px solid var(--border,#e5e7eb);border-radius:14px;outline:none;user-select:none;-webkit-user-select:none}
.bu-stage:focus-visible{box-shadow:0 0 0 3px var(--brand-soft,rgba(211,217,77,.3))}
.bu-svg{display:block;width:100%;height:100%;border-radius:14px;cursor:pointer;touch-action:manipulation}
.bu-z-boden{fill:#fff}
.bu-z-wand{fill:#404040}
.bu-z-tuer{fill:var(--brand-strong,#C2C83C)}
.bu-z-aus{fill:#EEF0F2}
.bu-raster{stroke:rgba(0,0,0,.09);stroke-width:.02;fill:none;pointer-events:none}
.bu-raum{font-size:.5px;font-weight:700;letter-spacing:.04px;text-transform:uppercase;text-anchor:middle;fill:#9AA0A6;
  paint-order:stroke;stroke:#fff;stroke-width:.14px;stroke-linejoin:round;pointer-events:none}

.bu-p{cursor:pointer}
.bu-p.off{opacity:.6}
.bu-p.off .bu-fig{filter:grayscale(1)}
.bu-schatten{fill:rgba(0,0,0,.14)}
.bu-p.ich .bu-schatten{fill:#C5E03A;stroke:#8FA51E;stroke-width:.04}
.bu-name{font-size:.3px;font-weight:700;text-anchor:middle;fill:#1a1a1a;paint-order:stroke;stroke:#fff;stroke-width:.1px;stroke-linejoin:round;pointer-events:none}
.bu-treffer{fill:transparent}
.bu-neu{fill:#E74C3C;stroke:#fff;stroke-width:.05}
.bu-neu-t{font-size:.28px;font-weight:700;text-anchor:middle;fill:#fff;pointer-events:none}
.bu-p.geht .bu-fig{animation:bu-wippen .32s ease-in-out infinite}
@keyframes bu-wippen{50%{transform:translateY(-.07px)}}
@media (prefers-reduced-motion:reduce){.bu-p.geht .bu-fig{animation:none}}

/* Chat-Popup an der Person */
.bu-chat{position:absolute;z-index:5;width:290px;max-width:calc(100% - 16px);background:#fff;border:1px solid var(--border,#e5e7eb);
  border-radius:12px;box-shadow:0 10px 32px rgba(0,0,0,.2);display:flex;flex-direction:column;user-select:text;-webkit-user-select:text}
.bu-chat[hidden]{display:none}
.bu-chat::after{content:"";position:absolute;left:var(--bu-pfeil,50%);bottom:-7px;width:12px;height:12px;margin-left:-6px;background:#fff;
  border-right:1px solid var(--border,#e5e7eb);border-bottom:1px solid var(--border,#e5e7eb);transform:rotate(45deg)}
.bu-chat.unten::after{bottom:auto;top:-7px;transform:rotate(225deg)}
/* Chat als Seitenpanel rechts (Team-Visitenkarten) */
.bu-chat.bu-seite{position:fixed;top:0;right:0;bottom:0;left:auto;z-index:210;width:max(30vw,380px);max-width:94vw;border:none;border-left:1px solid var(--border,#e5e7eb);
  border-radius:0;box-shadow:-8px 0 28px rgba(0,0,0,.14)}
.bu-chat.bu-seite::after{display:none}
.bu-seite .bu-chat-kopf{padding:14px}
.bu-seite .bu-chat-kopf b{font-size:1rem}
.bu-seite .bu-chat-liste{flex:1;height:auto;padding:14px}
.bu-seite .bu-msg{font-size:.86rem}
.bu-seite .bu-chat-form{padding:12px}
.bu-seite .bu-chat-form input{font-size:.88rem;padding:9px 11px}
.bu-chat-kopf{display:flex;align-items:center;gap:9px;padding:9px 10px;border-bottom:1px solid var(--border,#e5e7eb)}
.bu-chat-kopf>div{flex:1;min-width:0;display:flex;flex-direction:column}
.bu-chat-kopf b{font-size:.84rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.bu-chat-kopf small{font-size:.7rem;color:var(--text-muted,#666)}
.bu-x{border:none;background:none;font-size:1.25rem;line-height:1;color:#888;cursor:pointer;padding:2px 6px;border-radius:6px}
.bu-x:hover{background:#f0f0f0;color:#222}
.bu-chat-liste{height:190px;overflow-y:auto;padding:10px;display:flex;flex-direction:column;gap:6px;background:#F7F8FA}
.bu-chat-leer{margin:auto;text-align:center;font-size:.76rem;color:var(--text-muted,#666);padding:0 12px}
.bu-msg{max-width:84%;align-self:flex-start;background:#fff;border:1px solid var(--border,#e5e7eb);border-radius:11px 11px 11px 3px;padding:6px 9px;
  font-size:.8rem;line-height:1.35;display:flex;flex-direction:column;overflow-wrap:anywhere;white-space:pre-wrap}
.bu-msg.ich{align-self:flex-end;background:#EEF3C2;border-color:#DDE59A;border-radius:11px 11px 3px 11px}
.bu-msg small{font-size:.62rem;color:#888;margin-top:2px;align-self:flex-end}
.bu-chat-form{display:flex;gap:6px;padding:8px;border-top:1px solid var(--border,#e5e7eb)}
.bu-chat-form input{flex:1;min-width:0;border:1px solid #d4d8de;border-radius:8px;padding:7px 9px;font:inherit;font-size:.8rem}
.bu-chat-form input:focus{outline:none;border-color:var(--brand-deep,#76841C)}
.bu-chat-selbst{padding:12px;display:flex;justify-content:center}

/* Zähler ungelesener Nachrichten + Hinweis */
.bu-marke{display:inline-flex;align-items:center;justify-content:center;min-width:17px;height:17px;padding:0 5px;margin-left:6px;border-radius:9px;
  background:#E74C3C;color:#fff;font-size:.66rem;font-weight:700;line-height:1}
.nav-item .bu-marke{margin-left:auto}
.bu-toast{position:fixed;right:20px;bottom:20px;z-index:9000;display:flex;align-items:center;gap:10px;max-width:320px;text-align:left;font:inherit;
  background:#fff;border:1px solid var(--border,#e5e7eb);border-radius:12px;padding:10px 14px 10px 10px;box-shadow:0 10px 32px rgba(0,0,0,.22);cursor:pointer}
.bu-toast span{display:flex;flex-direction:column;min-width:0}
.bu-toast b{font-size:.82rem}
.bu-toast small{font-size:.76rem;color:var(--text-muted,#666);overflow-wrap:anywhere}

/* Grundriss-Editor */
.bu-editing .bu-svg{cursor:crosshair;touch-action:none}
.bu-tools{display:flex;gap:4px;flex-wrap:wrap}
.bu-tool{display:inline-flex;align-items:center;gap:6px;border:1px solid #d4d8de;background:#fff;border-radius:8px;padding:5px 9px;font:inherit;font-size:.76rem;font-weight:600;cursor:pointer}
.bu-tool.active{border-color:#404040;box-shadow:inset 0 0 0 1px #404040}
.bu-sw{width:13px;height:13px;border-radius:3px;border:1px solid rgba(0,0,0,.2);display:inline-block;background:#fff}
.bu-sw-wand{background:#404040}.bu-sw-aus{background:#EEF0F2}.bu-sw-D{background:#C2C83C}.bu-sw-t{background:#DCC7A1}.bu-sw-b{background:#CDB58A}
.bu-sw-s{background:#8FA3B8}.bu-sw-p{background:#7CB342;border-radius:50%}.bu-sw-k{background:#B8BDC4}.bu-sw-c{background:#6F767D}
.bu-sw-name{border:none;background:none}.bu-sw-name::before{content:"Aa";font-style:normal;font-size:.68rem;font-weight:700;color:#9AA0A6}
.bu-groesse{display:flex;gap:10px;font-size:.76rem;color:var(--text-muted,#666)}
.bu-groesse input{width:58px;border:1px solid #d4d8de;border-radius:7px;padding:4px 6px;font:inherit;font-size:.78rem}
.bu-raum-inp{position:absolute;z-index:6;width:140px;border:1px solid #404040;border-radius:7px;padding:5px 8px;font:inherit;font-size:.8rem;box-shadow:0 4px 14px rgba(0,0,0,.18)}

/* Mein Profil: Avatar */
.bu-av{display:block;flex-shrink:0}
.bu-pf{display:flex;gap:22px;align-items:flex-start;flex-wrap:wrap;max-width:560px}
.bu-pf-vorschau{width:130px;display:flex;flex-direction:column;align-items:center;gap:8px;padding:14px 10px;background:#F7F8FA;border-radius:12px;text-align:center}
.bu-pf-vorschau small{font-size:.7rem;color:var(--text-muted,#666);line-height:1.3}
.bu-pf-wahl{flex:1;min-width:240px}
.bu-pf-wahl label{display:block;font-size:.74rem;font-weight:600;color:var(--text-muted,#666);margin:10px 0 5px}
.bu-pf-wahl label:first-child{margin-top:0}
.bu-pf-farben,.bu-pf-formen{display:flex;gap:6px;flex-wrap:wrap}
.bu-pf-farbe{width:26px;height:26px;border-radius:50%;border:1px solid rgba(0,0,0,.2);cursor:pointer;padding:0}
.bu-pf-farbe.active{box-shadow:0 0 0 2px #fff,0 0 0 4px #404040}
.bu-pf-form{display:flex;flex-direction:column;align-items:center;gap:2px;border:1px solid #d4d8de;background:#fff;border-radius:9px;padding:5px 7px;font:inherit;font-size:.68rem;cursor:pointer}
.bu-pf-form.active{border-color:#404040;box-shadow:inset 0 0 0 1px #404040}