.kt-chat { border:1px solid #e5e5e5; padding:12px; border-radius:8px; background:#fff; }
.kt-chat-header { display:flex; align-items:center; justify-content:space-between; gap:12px; margin-bottom:8px; }
.kt-chat-sub { font-size:12px; color:#666; }
.kt-btn { display:inline-block; padding:6px 10px; border:1px solid #ccc; border-radius:6px; background:#f7f7f7; cursor:pointer; text-decoration:none; }
.kt-btn-primary { background:#2271b1; color:#fff; border-color:#2271b1; }
.kt-chat-history { max-height:520px; overflow:auto; background:#fafafa; border:1px solid #eee; border-radius:6px; padding:8px; }
.kt-day { text-align:center; margin:12px 0; color:#777; font-size:12px; position:relative; }
.kt-day:before, .kt-day:after { content:""; display:inline-block; width:28%; height:1px; background:#ddd; vertical-align:middle; margin:0 8px; }
.kt-msg { display:flex; margin:6px 0; }
.kt-bubble { max-width:72%; padding:8px 10px; border-radius:10px; }
.kt-right { justify-content:flex-end; }
.kt-left { justify-content:flex-start; }
.kt-bubble.mandant { background:#e7f1ff; }
.kt-bubble.berater { background:#eafbea; }
.kt-meta { font-size:11px; color:#666; margin-top:4px; }
.kt-author { font-weight:600; margin-right:6px; }
.kt-chat-form { margin-top:10px; display:flex; flex-direction:column; gap:6px; }
.kt-row { display:flex; gap:8px; align-items:center; }
#kt-author { flex: 0 0 40%; }
#kt-role { flex: 0 0 180px; }
#kt-send { flex: 0 0 160px; }
#kt-file { flex: 1 1 40%; }
.kt-admin-row { margin-top: 6px; display:flex; gap:8px; align-items:center; }
.kt-thread-state { font-size:12px; color:#666; }
.kt-closed-banner { background:#fff4e5; border:1px solid #f0c58e; color:#7a4d00; padding:8px; border-radius:6px; margin-bottom:8px; }
.kt-attach { margin-top:6px; }