/* Vorgangsgebundener interner Chat. Die persönliche Kontofilterung folgt später. */
.v20-case-chat{margin-top:18px;border:1px solid var(--color-border);border-radius:14px;overflow:hidden;background:#f8f9fb}
.v20-case-chat-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:14px 16px;background:#fff;border-bottom:1px solid var(--color-border)}
.v20-case-chat-head h3{margin:0 0 3px;font-size:16px}
.v20-case-chat-head p{margin:0;color:var(--color-text-muted);font-size:11px}
.v20-case-chat-list{max-height:360px;overflow-y:auto;overflow-x:hidden;padding:12px;display:grid;gap:9px}
.v20-chat-empty{padding:22px;text-align:center;color:var(--color-text-muted);font-size:12px}
.v20-chat-message{background:#fff;border:1px solid var(--color-border);border-radius:11px;padding:11px 12px;box-shadow:0 3px 12px rgba(29,33,39,.04)}
.v20-chat-message.important{border-color:#e2ad59;background:#fffaf0}
.v20-chat-message.urgent{border-color:#dc8d88;background:#fff6f5}
.v20-chat-message.resolved{background:#f4f6f7;border-color:#dfe3e6}
.v20-chat-message-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:6px}
.v20-chat-message-head strong{font-size:12px}
.v20-chat-message-head time{color:var(--color-text-muted);font-size:9px;white-space:nowrap}
.v20-chat-message-text{font-size:12px;line-height:1.45;white-space:pre-wrap;overflow-wrap:anywhere}
.v20-chat-message-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-top:8px}
.v20-chat-tags{display:flex;gap:5px;flex-wrap:wrap}
.v20-chat-tag{display:inline-flex;align-items:center;border-radius:999px;padding:3px 7px;background:#edf1f4;color:#4d5863;font-size:9px;font-weight:800}
.v20-chat-tag.important{background:#ffe7bc;color:#815200}
.v20-chat-tag.urgent{background:#c83b3b;color:#fff}
.v20-chat-tag.resolved{background:#dfe8e2;color:#356346}
.v20-case-chat-form{padding:12px;background:#fff;border-top:1px solid var(--color-border)}
.v20-chat-compose{display:grid;grid-template-columns:minmax(0,1fr) 135px auto;gap:8px;align-items:end}
.v20-chat-text-wrap{position:relative}
.v20-chat-text-wrap textarea{width:100%;min-height:72px;resize:vertical;border:1px solid var(--color-border);border-radius:10px;padding:10px;outline:none}
.v20-chat-text-wrap textarea:focus{border-color:var(--brand-primary);box-shadow:0 0 0 3px var(--focus-ring)}
.v20-chat-priority label{display:block;color:var(--color-text-muted);font-size:9px;font-weight:800;margin-bottom:5px;text-transform:uppercase}
.v20-chat-priority select{width:100%;border:1px solid var(--color-border);border-radius:10px;padding:10px 8px;background:#fff}
.v20-chat-send{min-height:42px}
.v20-chat-hint{margin-top:7px;color:var(--color-text-muted);font-size:10px}
.v20-chat-mentions{display:none;position:absolute;left:0;right:0;bottom:calc(100% + 5px);z-index:20;background:#fff;border:1px solid var(--color-border);border-radius:10px;box-shadow:0 12px 28px rgba(29,33,39,.14);max-height:190px;overflow-y:auto}
.v20-chat-mentions.show{display:block}
.v20-chat-mentions button{display:flex;align-items:center;justify-content:space-between;gap:8px;width:100%;border:0;border-bottom:1px solid #edf0f2;background:#fff;padding:9px 10px;text-align:left}
.v20-chat-mentions button:hover{background:#fff5ed}
.v20-chat-mentions small{color:var(--color-text-muted);font-size:9px}
.v20-chat-highlight{animation:v20ChatPulse 1.5s ease}
@keyframes v20ChatPulse{0%,100%{box-shadow:0 3px 12px rgba(29,33,39,.04)}35%{box-shadow:0 0 0 4px rgba(244,123,32,.28)}}

@media(max-width:760px){
  .v20-chat-compose{grid-template-columns:1fr}
  .v20-chat-send{justify-self:end}
}