.lc-body, .op-body {
  margin: 0; min-height: 100vh;
  background: #0b1220; color: #e8eef7;
  font-family: Manrope, system-ui, sans-serif;
}
.lc-shell { max-width: 560px; margin: 0 auto; min-height: 100vh; display: flex; flex-direction: column; }
.lc-top, .op-top {
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  padding: 1rem 1.1rem; border-bottom: 1px solid rgba(255,255,255,.08);
}
.lc-sub { margin: .15rem 0 0; color: #9fb3c8; font-size: .85rem; }
.lc-badge {
  display: inline-block; padding: .35rem .65rem; border-radius: 999px;
  background: rgba(255,255,255,.08); font-size: .78rem; font-weight: 700;
}
.lc-badge.warn { background: rgba(251,191,36,.18); color: #fbbf24; }
.lc-badge.ok { background: rgba(34,197,94,.18); color: #4ade80; }
.lc-gate { padding: 1.25rem; display: grid; gap: .85rem; }
.lc-gate label { display: grid; gap: .35rem; color: #9fb3c8; font-size: .9rem; }
.lc-gate input[readonly] {
  opacity: .9;
  border-color: rgba(34,197,94,.35);
  background: rgba(34,197,94,.08);
}
.lc-hint { margin: 0; font-size: .85rem; color: #9fb3c8; }
.lc-hint a { color: #6ee7b7; }
.lc-gate input, .lc-form input {
  border-radius: 10px; border: 1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.28); color: #fff; padding: .7rem .8rem; font: inherit;
}
.lc-room { flex: 1; display: flex; flex-direction: column; min-height: 0; }
.lc-log {
  flex: 1; overflow: auto; padding: 1rem; display: flex; flex-direction: column; gap: .55rem;
  min-height: 280px; max-height: calc(100vh - 180px);
}
.lc-msg {
  max-width: 85%; padding: .65rem .8rem; border-radius: 12px; line-height: 1.4; font-size: .92rem;
  white-space: pre-wrap; word-break: break-word;
}
.lc-msg.visitor { align-self: flex-end; background: #2563eb; color: #fff; }
.lc-msg.operator { align-self: flex-start; background: rgba(255,255,255,.08); }
.lc-msg.system { align-self: center; background: transparent; color: #9fb3c8; font-size: .8rem; }
.lc-form { display: flex; gap: .5rem; padding: .85rem; border-top: 1px solid rgba(255,255,255,.08); }
.lc-form input { flex: 1; }

.op-top-actions { display: flex; gap: .75rem; align-items: center; }
.op-who { color: #9fb3c8; margin-left: .5rem; font-size: .9rem; }
.op-grid { display: grid; grid-template-columns: 320px 1fr; min-height: calc(100vh - 64px); }
.op-side { border-right: 1px solid rgba(255,255,255,.08); padding: 1rem; overflow: auto; }
.op-side h2 { margin: 0 0 .65rem; font-size: .95rem; color: #9fb3c8; text-transform: uppercase; letter-spacing: .04em; }
.op-side h2:not(:first-child) { margin-top: 1.25rem; }
.op-list { display: grid; gap: .5rem; }
.op-item {
  text-align: left; width: 100%; border: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.03); color: #fff; border-radius: 12px; padding: .75rem;
  cursor: pointer; font: inherit;
}
.op-waiting-card {
  display: flex; gap: .65rem; align-items: center; justify-content: space-between;
  cursor: default;
}
.op-item-main { min-width: 0; flex: 1; }
.op-item-main strong, .op-item-main small { display: block; }
.op-item-main small { color: #9fb3c8; margin-top: .25rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.op-claim-btn { flex-shrink: 0; padding: .45rem .75rem; font-size: .85rem; }
.op-item:hover, .op-item.active { border-color: rgba(34,197,94,.5); background: rgba(34,197,94,.08); }
.op-item small { display: block; color: #9fb3c8; margin-top: .25rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.op-chat { display: flex; flex-direction: column; min-height: 0; }
.op-empty { margin: auto; color: #9fb3c8; }
.op-chat-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: .85rem 1rem; border-bottom: 1px solid rgba(255,255,255,.08);
}
.op-chat-head small { display: block; color: #9fb3c8; }
#op-room[hidden] { display: none !important; }
#op-room:not([hidden]) { display: flex; flex-direction: column; flex: 1; min-height: 0; }
@media (max-width: 840px) {
  .op-grid { grid-template-columns: 1fr; }
  .op-side { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.08); max-height: 40vh; }
}