.sup{display:grid;grid-template-columns:330px 1fr;gap:16px;align-items:stretch}
.sup-list{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);
  overflow:hidden;height:760px;display:flex;flex-direction:column}
.sup-list-h{display:flex;gap:6px;padding:12px 14px;border-bottom:1px solid var(--line)}
.sup-filter{flex:1;text-align:center;height:32px;line-height:32px;border-radius:9px;font-size:13px;font-weight:600;
  color:var(--muted);text-decoration:none;transition:background .15s,color .15s}
.sup-filter:hover{background:var(--field);color:var(--ink)}
.sup-filter.active{background:var(--accent);color:#fff}
.sup-items{flex:1;min-height:0;overflow-y:auto}
.sup-item{display:flex;align-items:center;gap:11px;padding:13px 14px;border-bottom:1px solid var(--line);
  text-decoration:none;color:inherit;transition:background .15s}
.sup-item:hover{background:var(--field)}
.sup-item.active{background:var(--accent-soft)}
.sup-ava{width:38px;height:38px;flex:0 0 auto;border-radius:50%;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700}
.sup-ava.lg{width:42px;height:42px;font-size:17px}
.sup-item-tx{min-width:0;flex:1}
.sup-item-tx b{display:flex;align-items:center;gap:6px;font-size:13.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sup-item-tx span{display:block;font-size:12.5px;color:var(--muted);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sup-item-meta{flex:0 0 auto;text-align:right;display:flex;flex-direction:column;align-items:flex-end;gap:5px}
.sup-item-meta em{font-style:normal;font-size:11px;color:var(--muted-soft)}
.sup-item-meta i{font-style:normal;min-width:18px;height:18px;padding:0 5px;border-radius:999px;background:var(--danger);
  color:#fff;font-size:11px;font-weight:700;line-height:18px;text-align:center}
.sup-chat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);
  display:flex;flex-direction:column;overflow:hidden;height:760px}
.sup-chat-h{display:flex;align-items:center;gap:12px;padding:14px 18px;border-bottom:1px solid var(--line)}
.sup-chat-id{min-width:0;flex:1}
.sup-chat-id b{display:block;font-size:15px;letter-spacing:-.1px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sup-chat-id span{display:block;font-size:12px;color:var(--muted);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sup-thread{flex:1;min-height:0;padding:18px;overflow-y:auto;background:var(--bg);
  display:flex;flex-direction:column;gap:8px}
.sup-day{display:flex;align-items:center;gap:10px;margin:8px 0 4px}
.sup-day::before,.sup-day::after{content:'';flex:1;height:1px;background:var(--line)}
.sup-day span{font-size:11px;color:var(--muted-soft);white-space:nowrap}
.sup-msg{display:flex;max-width:78%}
.sup-msg.in{align-self:flex-start}
.sup-msg.out{align-self:flex-end;justify-content:flex-end}
.sup-bubble{position:relative;padding:10px 13px 16px;border-radius:14px;font-size:13.5px;line-height:1.5;
  overflow-wrap:break-word;word-break:normal;box-shadow:0 1px 1px rgba(16,24,40,.04)}
.sup-msg.in .sup-bubble{background:#fff;border:1px solid var(--line);border-radius:14px 14px 24px 0;color:var(--ink)}
.sup-msg.out .sup-bubble{background:var(--accent);color:#fff;border-radius:14px 14px 0 24px}
.sup-t{position:absolute;right:11px;bottom:4px;font-size:10.5px;opacity:.65;white-space:nowrap}
.sup-msg.in .sup-t{color:var(--muted)}
.sup-empty{flex:1;display:flex;align-items:center;justify-content:center;padding:40px 20px;font-size:13.5px;color:var(--muted)}
.sup-foot{display:flex;align-items:flex-end;gap:9px;padding:13px 16px;border-top:1px solid var(--line)}
.sup-input{flex:1;min-height:42px;max-height:120px;padding:11px 13px;border:1px solid var(--line-strong);
  background:var(--field);border-radius:11px;font-family:inherit;font-size:13px;line-height:1.45;color:var(--ink);
  resize:none;overflow-y:auto;transition:border-color .15s,background .15s,box-shadow .15s}
.sup-input:focus{outline:none;border-color:var(--accent);background:#fff;box-shadow:0 0 0 4px var(--accent-soft)}
.sup-send{flex:0 0 auto;height:42px;padding:0 20px;border-radius:11px;border:none;background:var(--accent);color:#fff;
  font-size:13.5px;font-weight:600;cursor:pointer;transition:filter .15s,opacity .15s}
.sup-send:hover:not(:disabled){filter:brightness(1.06)}
.sup-send:disabled{opacity:.55;cursor:not-allowed}


@media (max-width:900px){
  .sup{grid-template-columns:1fr}
  .sup-list,.sup-chat{height:auto}
  .sup-items{max-height:280px}
  .sup-chat{min-height:420px}
  .sup-msg{max-width:88%}
}
.sup-msg{align-items:flex-end;gap:8px}
.sup-msg.in{flex-direction:row}
.sup-msg.out{flex-direction:row-reverse}
.sup-mav{width:28px;height:28px;flex:0 0 auto;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;margin-bottom:2px}
.sup-mav.op{background:var(--accent-soft);color:var(--accent)}
.sup-mav.op svg{width:16px;height:16px}
.sup-mav.cl{background:var(--brand);color:#fff}
.sup-mav img{width:100%;height:100%;object-fit:cover;border-radius:50%;display:block}
.sup-bubble{display:flex;flex-direction:column;gap:8px}
.sup-text{white-space:pre-wrap;overflow-wrap:break-word;word-break:normal}
.sup-imgs{display:flex;flex-wrap:wrap;gap:6px}
.sup-imgs img{width:84px;height:84px;object-fit:cover;border-radius:9px;cursor:zoom-in;border:1px solid rgba(0,0,0,.08);transition:opacity .15s}
.sup-imgs img:hover{opacity:.85}
.sup-msg.out .sup-imgs img{border-color:rgba(255,255,255,.35)}
.sup-file{display:block;font-size:12px;text-decoration:underline;word-break:break-all}
.sup-msg.in .sup-file{color:var(--accent)}
.sup-msg.out .sup-file{color:#fff}
.sup-picks{display:flex;flex-wrap:wrap;gap:7px;padding:12px 16px 0}
.sup-picks[hidden]{display:none}

.sup-wrap{display:grid;grid-template-columns:320px 1fr;gap:16px;align-items:stretch}
.sup-side{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);
  overflow:hidden;height:760px;display:flex;flex-direction:column}
.sup-side-h{padding:12px 14px;border-bottom:1px solid var(--line);font-size:12px;font-weight:600;
  letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.sup-side .sup-item{width:100%;text-align:left;background:none;border:none;border-bottom:1px solid var(--line);cursor:pointer;font-family:inherit}
.sup-ava img{width:100%;height:100%;object-fit:cover;border-radius:50%;display:block}
@media (max-width:900px){
  .sup-wrap{grid-template-columns:1fr}
  .sup-side{height:auto}
  .sup-side .sup-items{max-height:280px}
}

.vkm-search{display:flex;gap:8px;padding:10px 12px;border-bottom:1px solid var(--line)}
.vkm-search .input{height:38px;font-size:13px}
.vkm-search-btn{width:38px;height:38px;flex:0 0 auto;border-radius:10px;border:1px solid var(--line-strong);
  background:#fff;color:var(--muted);cursor:pointer;display:flex;align-items:center;justify-content:center;
  transition:background .15s,color .15s,border-color .15s}
.vkm-search-btn:hover{background:#fafbfc;border-color:var(--accent);color:var(--accent)}
.vkm-search-btn svg{width:17px;height:17px}

.vkm-status{display:inline-flex;align-items:center;margin-left:5px;vertical-align:-3px}
.vkm-status svg{width:15px;height:15px;display:block}
.sup-msg.out .vkm-status{opacity:.75}
.sup-msg.out .vkm-status.read{opacity:1}

.vkm-compose{flex:1;display:flex;align-items:stretch;gap:4px;min-width:0;
  padding:3px 4px;border:1px solid var(--line-strong);background:var(--field);border-radius:11px;
  transition:border-color .15s,background .15s,box-shadow .15s}
.vkm-compose:focus-within{border-color:var(--accent);background:#fff;box-shadow:0 0 0 4px var(--accent-soft)}
.vkm-attach{width:33px;height:33px;flex:0 0 auto;align-self:flex-end;border:none;background:none;color:var(--muted);cursor:pointer;
  border-radius:9px;display:flex;align-items:center;justify-content:center;padding:0;margin:0 0 1px 0;
  transition:background .15s,color .15s}
.vkm-attach:hover{background:rgba(0,0,0,.05);color:var(--accent)}
.vkm-attach svg{width:18px;height:18px}
.vkm-field{flex:1;min-width:0;min-height:34px;max-height:120px;padding:8px 8px 8px 0;
  border:none;background:none;outline:none;resize:none;font-family:inherit;font-size:13.5px;
  line-height:1.45;color:var(--ink);overflow-y:auto;overflow-wrap:anywhere;box-sizing:border-box}
.vkm-field::placeholder{color:var(--muted-soft)}

.sup-bubble:has(.sup-imgs){padding-bottom:30px}
.sup-bubble:has(.sup-imgs) .sup-t{bottom:7px}

.sup-foot{flex:0 0 auto}