/* ═══════════════════════════════════════════════════════════════════════════
   Posteingang (Block F.3) — 2-Spalten-Chat
   ═══════════════════════════════════════════════════════════════════════════ */

.inbox-layout{
  display:grid;grid-template-columns:340px 1fr;gap:0;
  height:calc(100vh - 180px);min-height:520px;
  background:var(--s1);border:1px solid var(--b1);border-radius:14px;
  overflow:hidden;box-shadow:0 4px 20px rgba(14,27,77,.06);
}

/* ─── Side: Konversationen ─── */
.inbox-side{
  display:flex;flex-direction:column;
  border-right:1px solid var(--b1);background:var(--s2);overflow:hidden;
}
.inbox-filters{
  display:flex;gap:4px;padding:10px 12px;border-bottom:1px solid var(--b1);
  overflow-x:auto;background:var(--s1);
}
.inbox-filter{
  padding:5px 11px;border-radius:7px;border:1px solid transparent;
  background:transparent;color:var(--t3);font-family:var(--font);font-size:11.5px;
  font-weight:700;cursor:pointer;white-space:nowrap;transition:all .15s;
}
.inbox-filter:hover{color:var(--t1);background:var(--s2)}
.inbox-filter.active{background:rgba(200,149,90,.12);color:var(--np);border-color:rgba(200,149,90,.3)}

.inbox-conv-list{flex:1;overflow-y:auto}

.inbox-conv{
  display:flex;gap:10px;padding:12px 14px;cursor:pointer;
  border-bottom:1px solid var(--b1);transition:background .12s;
}
.inbox-conv:hover{background:var(--s3)}
.inbox-conv.active{background:rgba(200,149,90,.08)}
.inbox-conv.unread{background:rgba(59,158,255,.05)}
.inbox-conv.unread.active{background:rgba(200,149,90,.12)}

.inbox-conv-ava{
  flex-shrink:0;width:38px;height:38px;border-radius:50%;
  color:#fff;font-weight:700;font-size:13px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--np),var(--na));
}
.inbox-conv-ava[data-ch="whatsapp"]{background:linear-gradient(135deg,#25D366,#128C7E)}
.inbox-conv-ava[data-ch="email"]{background:linear-gradient(135deg,#3b9eff,#2474dc)}

.inbox-conv-body{flex:1;min-width:0}
.inbox-conv-head{display:flex;justify-content:space-between;align-items:baseline;gap:8px}
.inbox-conv-name{font-weight:700;color:var(--t1);font-size:13.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.inbox-conv-when{font-size:11px;color:var(--t3);white-space:nowrap;flex-shrink:0}
.inbox-conv.unread .inbox-conv-name{font-weight:800}
.inbox-conv-preview{
  display:flex;align-items:center;gap:6px;margin-top:3px;
  font-size:12px;color:var(--t3);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.inbox-conv-preview > span:nth-child(2){
  flex:1;overflow:hidden;text-overflow:ellipsis;
}
.inbox-conv.unread .inbox-conv-preview{color:var(--t2);font-weight:600}
.inbox-conv-ch{flex-shrink:0;color:var(--t3);line-height:0}
.inbox-conv-unread{
  flex-shrink:0;background:var(--nb);color:#fff;
  font-size:10.5px;font-weight:800;
  padding:1px 7px;border-radius:9px;min-width:18px;text-align:center;
}

.inbox-empty-sm{padding:24px 16px;text-align:center;color:var(--t3);font-size:12.5px}

/* ─── Main: Chat ─── */
.inbox-main{display:flex;flex-direction:column;overflow:hidden;background:var(--bg)}
.inbox-empty{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:40px 20px;color:var(--t3);
}

.inbox-chat-head{
  display:flex;justify-content:space-between;align-items:center;gap:12px;
  padding:14px 18px;background:var(--s1);border-bottom:1px solid var(--b1);
}
.inbox-chat-name{font-size:15px;font-weight:800;color:var(--t1);letter-spacing:-.2px}
.inbox-chat-meta{font-size:11.5px;color:var(--t3);margin-top:2px}

.inbox-messages{
  flex:1;overflow-y:auto;padding:18px 22px;
  display:flex;flex-direction:column;gap:10px;
}

.msg-bubble{
  max-width:75%;padding:9px 13px;border-radius:14px;
  font-size:13.5px;line-height:1.5;word-wrap:break-word;
  box-shadow:0 1px 2px rgba(14,27,77,.04);
}
.msg-in{
  align-self:flex-start;background:var(--s1);color:var(--t1);
  border:1px solid var(--b1);border-bottom-left-radius:4px;
}
.msg-out{
  align-self:flex-end;
  background:linear-gradient(135deg,var(--np),var(--na));color:#fff;
  border-bottom-right-radius:4px;
}
.msg-bubble.failed{opacity:.7;border:1px solid var(--nd)}
.msg-subject{font-size:12px;font-weight:700;opacity:.85;margin-bottom:3px}
.msg-body{white-space:pre-wrap}
.msg-meta{
  font-size:10.5px;opacity:.65;margin-top:4px;
  display:flex;justify-content:flex-end;align-items:center;gap:5px;
}
.msg-out .msg-meta{color:rgba(255,255,255,.85)}
.msg-st.read{color:#3b9eff}
.msg-out .msg-st.read{color:#c4e4ff}
.msg-st.failed{color:var(--nd);font-weight:700}
.msg-error{background:var(--nd);color:#fff;border-radius:50%;width:14px;height:14px;display:inline-flex;align-items:center;justify-content:center;font-size:10px;font-weight:800}

/* ─── Composer ─── */
.inbox-composer{
  padding:12px 16px;background:var(--s1);border-top:1px solid var(--b1);
}
.inbox-composer input{margin-bottom:6px;min-height:36px}
.inbox-composer-row{display:flex;gap:8px;align-items:flex-end}
.inbox-composer textarea{
  flex:1;resize:none;min-height:44px;max-height:140px;
  padding:10px 12px;line-height:1.45;
}
.inbox-composer .btn{flex-shrink:0;min-height:44px}

/* ─── Responsive ─── */
@media (max-width:820px){
  .inbox-layout{grid-template-columns:1fr;height:calc(100vh - 160px)}
  .inbox-side{display:${'flex'}} /* verhindert dass side ganz verschwindet wenn keiner gewählt */
  .inbox-main{display:none}
  .inbox-layout.active-conv .inbox-side{display:none}
  .inbox-layout.active-conv .inbox-main{display:flex}
}

/* Nav-Badge (Unread-Counter) */
.inbox-nav-badge{
  display:inline-block;margin-left:4px;
  background:var(--nd);color:#fff;
  font-size:10px;font-weight:800;
  padding:1px 6px;border-radius:9px;min-width:16px;text-align:center;
  vertical-align:middle;
}