/* ============================================================
   AgentOS Chat — chat.css  v1.2.3
   ============================================================ */

/* ── Корневой layout ── */
.chat-app {
  display: grid;
  grid-template-rows: 44px 1fr;
  grid-template-columns: 1fr;
  width: 100vw;
  max-width: 100vw;
  height: 100vh;
  height: 100dvh; /* dynamic viewport: компенсирует UI-chrome браузера */
  overflow: hidden;
  box-sizing: border-box;
}

.chat-main {
  display: grid;
  grid-template-columns: 200px 1fr 280px;
  grid-template-rows: 1fr; /* явная строка — grid-items точно получают полную высоту */
  /* Явно задаём ширину чтобы не зависеть от родителя */
  width: 100vw;
  max-width: 100vw;
  min-height: 0; /* предотвращает выход за пределы grid-row у родителя */
  overflow: hidden;
  box-sizing: border-box;
}

/* Топбар в chat-app — на всю ширину одной колонки */
.chat-app .topbar {
  grid-column: 1;
  width: 100%;
  box-sizing: border-box;
}

/* ── Sidebar ── */
.chat-sidebar {
  background: var(--bg3);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  min-height: 0; /* grid-item: разрешаем сжатие ниже content-size */
  overflow: hidden;
}

#sessionSection {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.session-list {
  flex: 1;
  overflow-y: auto;
  padding: 4px 0;
  min-height: 0;
}

.session-item {
  padding: 7px 16px;
  cursor: pointer;
  font-size: 11px;
  font-family: var(--mono);
  color: var(--text2);
  border-left: 2px solid transparent;
  transition: all .12s;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.session-item:hover  { background: var(--bg4); color: var(--text); }
.session-item.active { border-left-color: var(--accent); color: var(--text); background: rgba(37,99,235,.05); }

.new-session-btn {
  margin: 6px 12px 4px;
  flex-shrink: 0;
  padding: 7px;
  background: transparent;
  border: 1px dashed var(--border2);
  border-radius: 5px;
  color: var(--text3);
  font-family: var(--mono);
  font-size: 11px;
  cursor: pointer;
  text-align: center;
  transition: all .15s;
  flex-shrink: 0;
}
.new-session-btn:hover { border-color: var(--accent); color: var(--accent); }

.svc-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--text3);
  flex-shrink: 0;
}
.svc-dot.ok { background: var(--green); box-shadow: 0 0 5px rgba(22,163,74,.4); }

/* ── Center ── */
.chat-center {
  display: flex;
  flex-direction: column;
  min-height: 0; /* grid-item: разрешаем сжатие */
  overflow: hidden;
  background: var(--bg);
}

.chat-tab-bar {
  display: flex;
  background: var(--bg3);
  border-bottom: 1px solid var(--border);
  padding: 0 16px;
  flex-shrink: 0;
}

.chat-tab-panel {
  display: none;
  flex: 1;
  flex-direction: column;
  overflow: hidden;
  min-height: 0;
}
.chat-tab-panel.active { display: flex; }

/* ── Chat history ── */
.chat-history {
  flex: 1;
  overflow-y: auto;
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 0;
}

/* ── Messages ── */
.msg {
  display: flex;
  flex-direction: column;
  gap: 3px;
  max-width: 78%;
  animation: fadeIn .18s ease;
}
.msg.user   { align-self: flex-end;   align-items: flex-end; }
.msg.agent  { align-self: flex-start; align-items: flex-start; }
.msg.system { align-self: center;     align-items: center; max-width: 100%; }

.msg-meta {
  font-family: var(--mono);
  font-size: 9px;
  color: var(--text3);
  letter-spacing: .04em;
  padding: 0 4px;
}

.msg-bubble {
  padding: 9px 13px;
  border-radius: 8px;
  font-size: 13px;
  line-height: 1.6;
  word-break: break-word;
}
.msg.user .msg-bubble {
  background: var(--accent);
  color: #fff;
  border-radius: 8px 8px 2px 8px;
  box-shadow: 0 1px 4px rgba(37,99,235,.25);
}
.msg.agent .msg-bubble {
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px 8px 8px 2px;
  box-shadow: 0 1px 3px rgba(30,60,160,.06);
}
.msg.system .msg-bubble {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text3);
  font-family: var(--mono);
  font-size: 10px;
  padding: 4px 12px;
  border-radius: 4px;
}
.msg.blocked .msg-bubble {
  background: var(--red-bg);
  border: 1px solid rgba(220,38,38,.25);
  color: var(--red);
}

.msg-score {
  font-family: var(--mono);
  font-size: 9px;
  color: var(--red);
  padding: 2px 7px;
  background: var(--red-bg);
  border: 1px solid rgba(220,38,38,.2);
  border-radius: 3px;
  margin-top: 2px;
}

.msg-file {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 8px;
  background: rgba(255,255,255,.15);
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 10px;
  margin-top: 5px;
  opacity: .85;
}

.typing-indicator {
  display: flex;
  gap: 4px;
  padding: 10px 13px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px 8px 8px 2px;
  align-self: flex-start;
  box-shadow: 0 1px 3px rgba(30,60,160,.06);
}
.typing-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--text3);
  animation: typingBounce 1.2s infinite;
}
.typing-dot:nth-child(2) { animation-delay: .2s; }
.typing-dot:nth-child(3) { animation-delay: .4s; }
@keyframes typingBounce {
  0%,60%,100% { transform: translateY(0);    background: var(--text3); }
  30%          { transform: translateY(-5px); background: var(--accent); }
}

/* ── Input area ── */
.input-area {
  border-top: 1px solid var(--border);
  padding: 12px 18px;
  background: var(--bg3);
  flex-shrink: 0;
}

.file-preview { display: flex; flex-wrap: wrap; gap: 5px; margin-bottom: 8px; }

.file-chip {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 3px 8px 3px 10px;
  background: var(--bg4);
  border: 1px solid var(--border2);
  border-radius: 20px;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text2);
}
.file-chip-remove {
  background: none; border: none;
  color: var(--text3); cursor: pointer;
  font-size: 13px; padding: 0; line-height: 1;
  transition: color .1s;
}
.file-chip-remove:hover { color: var(--red); }

.input-row { display: flex; gap: 6px; align-items: flex-end; }

.input-attach {
  background: var(--bg); border: 1px solid var(--border2);
  color: var(--text3); width: 34px; height: 34px;
  border-radius: 5px; cursor: pointer; font-size: 14px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; transition: all .15s;
}
.input-attach:hover { border-color: var(--accent); color: var(--accent); background: rgba(37,99,235,.06); }

.input-box {
  flex: 1; background: var(--bg); border: 1px solid var(--border2);
  border-radius: 5px; padding: 8px 11px; color: var(--text);
  font-family: var(--sans); font-size: 13px; resize: none;
  min-height: 34px; max-height: 110px; line-height: 1.5;
  transition: border-color .15s; outline: none;
}
.input-box:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(37,99,235,.1); }
.input-box::placeholder { color: var(--text3); }

.input-send {
  background: var(--accent); border: none; color: #fff;
  width: 34px; height: 34px; border-radius: 5px; cursor: pointer;
  font-size: 15px; display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; transition: all .15s; box-shadow: 0 1px 4px rgba(37,99,235,.3);
}
.input-send:hover    { filter: brightness(1.1); }
.input-send:disabled { background: var(--bg4); color: var(--text3); cursor: default; box-shadow: none; }

.input-hint {
  margin-top: 5px; font-family: var(--mono);
  font-size: 9px; color: var(--text3); display: flex; gap: 12px;
}

/* ── Logs panel ── */
.log-toolbar {
  display: flex; align-items: center; gap: 6px;
  padding: 7px 14px; border-bottom: 1px solid var(--border);
  background: var(--bg3); flex-shrink: 0; flex-wrap: wrap;
}

.log-search {
  height: 26px; font-size: 11px; padding: 0 8px;
  border-radius: 4px; border: 1px solid var(--border2);
  background: var(--bg); color: var(--text); font-family: var(--mono);
  outline: none; width: 160px; transition: border-color .15s;
}
.log-search:focus { border-color: var(--accent); }

.log-cat-btn {
  padding: 2px 8px; font-family: var(--mono); font-size: 9px; font-weight: 600;
  border-radius: 3px; cursor: pointer; border: 1px solid var(--border2);
  color: var(--text3); background: var(--bg3); transition: all .12s; letter-spacing: .05em;
}
.log-cat-btn.active          { border-color: var(--accent);  color: var(--accent);  background: rgba(37,99,235,.07); }
.log-cat-btn.active.cat-sec  { border-color: var(--red);     color: var(--red);     background: var(--red-bg); }
.log-cat-btn.active.cat-sbx  { border-color: var(--yellow);  color: var(--yellow);  background: var(--yellow-bg); }
.log-cat-btn.active.cat-sys  { border-color: var(--accent2); color: var(--accent2); background: rgba(124,58,237,.07); }

.sse-indicator {
  margin-left: auto; display: flex; align-items: center;
  gap: 5px; font-family: var(--mono); font-size: 9px; color: var(--text3);
}
.sse-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--text3); flex-shrink: 0; }
.sse-dot.live { background: var(--green); animation: pulse 2s infinite; }

.log-clear-btn {
  height: 24px; padding: 0 10px; font-family: var(--mono); font-size: 9px;
  border-radius: 4px; border: 1px solid var(--border2); background: transparent;
  color: var(--text3); cursor: pointer; transition: all .12s;
}
.log-clear-btn:hover { border-color: var(--red); color: var(--red); }

.log-stream { flex: 1; overflow-y: auto; font-family: var(--mono); font-size: 10px; min-height: 0; }

.log-line {
  display: flex; gap: 10px; padding: 3px 14px;
  border-left: 2px solid transparent; transition: background .08s; line-height: 1.5;
}
.log-line:hover   { background: var(--bg4); }
.log-line.cat-sec { border-left-color: var(--red); }
.log-line.cat-sys { border-left-color: var(--accent2); }
.log-line.cat-sbx { border-left-color: var(--yellow); }
.log-line.cat-run { border-left-color: var(--border2); }

.log-ts    { color: var(--text3); flex-shrink: 0; }
.log-stage { flex-shrink: 0; min-width: 190px; color: var(--accent); }
.log-stage.cat-sec { color: var(--red); }
.log-stage.cat-sbx { color: var(--yellow); }
.log-stage.cat-sys { color: var(--accent2); }
.log-stage.cat-run { color: var(--text2); }
.log-payload { color: var(--text2); word-break: break-all; }

/* ── Network panel ── */
.net-list { flex: 1; overflow-y: auto; min-height: 0; }

.net-item { border-bottom: 1px solid var(--border); cursor: pointer; transition: background .1s; }
.net-item:hover  { background: var(--bg4); }
.net-item.active { background: rgba(37,99,235,.04); }

.net-item-header {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 14px; font-family: var(--mono); font-size: 10px;
}
.net-method  { color: var(--accent); font-weight: 600; flex-shrink: 0; }
.net-url     { color: var(--text2); flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.net-st-ok   { color: var(--green); }
.net-st-blk  { color: var(--red); }
.net-st-pend { color: var(--yellow); }
.net-time    { color: var(--text3); flex-shrink: 0; }

.net-detail { display: none; padding: 0 14px 10px; }
.net-item.active .net-detail { display: block; }

.net-code {
  background: var(--bg); border: 1px solid var(--border); border-radius: 5px;
  padding: 8px 10px; font-family: var(--mono); font-size: 10px; color: var(--text2);
  white-space: pre-wrap; word-break: break-all; max-height: 180px;
  overflow-y: auto; line-height: 1.5; margin-top: 6px;
}

/* ── Right panel ── */
.chat-right {
  background: var(--bg3);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  min-height: 0; /* grid-item: разрешаем сжатие */
  overflow: hidden;
}

.rp-section {
  font-size: 9px; text-transform: uppercase; letter-spacing: .12em;
  color: var(--text3); padding: 12px 14px 4px; font-weight: 600;
}

.rp-body { flex: 1; overflow-y: auto; padding: 8px 0; min-height: 0; }

.info-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 4px 14px; font-family: var(--mono); font-size: 11px;
  border-bottom: 1px solid var(--border);
}
.info-row:last-child { border-bottom: none; }
.info-key { color: var(--text2); }
.info-val { color: var(--text); font-weight: 500; }
.info-val.ok   { color: var(--green); }
.info-val.bad  { color: var(--red); }
.info-val.warn { color: var(--yellow); }

.last-scan {
  margin: 8px 12px; background: var(--bg); border: 1px solid var(--border);
  border-radius: 6px; padding: 10px 12px; transition: opacity .2s;
}
.last-scan--empty { opacity: .45; }
.last-scan-title {
  font-family: var(--mono); font-size: 9px; text-transform: uppercase;
  letter-spacing: .1em; color: var(--text3); margin-bottom: 8px; font-weight: 600;
}
.scan-cats { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 6px; }
.scan-cat {
  font-family: var(--mono); font-size: 9px; padding: 2px 6px; border-radius: 3px;
  background: var(--red-bg); color: var(--red); border: 1px solid rgba(220,38,38,.2);
}

/* ── Deep Analysis toggle ── */
.deep-analysis-block {
  margin: 10px 12px 4px;
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 6px; padding: 9px 12px;
}
.deep-analysis-label {
  display: flex; align-items: center; gap: 8px;
  cursor: pointer; user-select: none;
}
.deep-analysis-cb {
  width: 14px; height: 14px; flex-shrink: 0;
  accent-color: var(--accent, #6366f1); cursor: pointer;
}
.deep-analysis-text {
  font-family: var(--mono); font-size: 11px;
  color: var(--text); font-weight: 500;
}
.deep-analysis-hint {
  font-family: var(--mono); font-size: 9px;
  color: var(--text3); margin-top: 4px; line-height: 1.4;
}

/* ── Token Usage Widget (Variant C) ── */
.usage-period-btn {
  flex: 1; padding: 3px 0; font-family: var(--mono); font-size: 9px;
  background: var(--bg); border: 1px solid var(--border);
  color: var(--text2); border-radius: 4px; cursor: pointer;
  transition: background .15s, color .15s;
}
.usage-period-btn:hover { background: var(--surface); color: var(--text); }
.usage-period-active {
  background: var(--accent, #6366f1) !important;
  color: #fff !important; border-color: transparent !important;
}
.usage-model-row {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 2px 8px; gap: 4px;
}
.usage-model-name {
  font-family: var(--mono); font-size: 9px; color: var(--text2);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  flex: 1; min-width: 0;
}
.usage-model-role { font-size: 8px; color: var(--text3); margin-left: 2px; }
.usage-model-tok {
  font-family: var(--mono); font-size: 9px; color: var(--text);
  white-space: nowrap; flex-shrink: 0; min-width: 36px; text-align: right;
}
.usage-model-cost {
  font-family: var(--mono); font-size: 8px; color: var(--accent, #6366f1);
  white-space: nowrap; flex-shrink: 0; min-width: 58px; text-align: right;
}

/* ── Nav link ── */
.nav-link {
  margin-left: auto; font-family: var(--mono); font-size: 10px;
  padding: 3px 10px; border-radius: 4px; border: 1px solid var(--border2);
  background: transparent; color: var(--text2); cursor: pointer;
  text-decoration: none; transition: all .15s;
}
.nav-link:hover { border-color: var(--accent); color: var(--accent); }

/* ── Status bar ── */
.status-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 28px;
  background: var(--bg3);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 16px;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text3);
  z-index: 100;
  flex-shrink: 0;
}

.sb-indicator {
  width: 6px; height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
  background: var(--text3);
  transition: background .3s;
}
.sb-indicator.ok       { background: var(--green); box-shadow: 0 0 5px rgba(22,163,74,.5); }
.sb-indicator.warn     { background: var(--yellow); }
.sb-indicator.err      { background: var(--red); box-shadow: 0 0 5px rgba(220,38,38,.4); }
.sb-indicator.spinning { background: var(--accent); }

.sb-text { color: var(--text2); transition: color .3s; }
.sb-text.ok   { color: var(--green); }
.sb-text.warn { color: var(--yellow); }
.sb-text.err  { color: var(--red); }

.sb-progress-wrap {
  display: none;
  align-items: center;
  gap: 6px;
}
.sb-progress-wrap.visible { display: flex; }

.sb-spinner {
  width: 11px; height: 11px;
  border: 2px solid var(--border2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .7s linear infinite;
  flex-shrink: 0;
}
@keyframes spin { to { transform: rotate(360deg); } }

.sb-progress-track {
  width: 100px;
  height: 3px;
  background: var(--bg4);
  border-radius: 2px;
  overflow: hidden;
}
.sb-progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  transition: width .4s ease;
  width: 0%;
}
.sb-pct {
  color: var(--accent);
  min-width: 28px;
}

.sb-divider { color: var(--border2); }
.sb-meta    { margin-left: auto; color: var(--text3); }

/* Отступ снизу чтобы статусбар не перекрывал контент */
.chat-main { padding-bottom: 28px; }

/* ── Offline mode — сервер недоступен ── */
body.server-offline .tb-stat-val,
body.server-offline .tb-stat-val.accent,
body.server-offline .tb-stat-val.danger { color: var(--text3) !important; }

body.server-offline .info-val,
body.server-offline .info-val.ok,
body.server-offline .info-val.bad,
body.server-offline .info-val.warn { color: var(--text3) !important; }

body.server-offline .svc-dot.ok { background: var(--text3) !important; box-shadow: none !important; }

body.server-offline .input-box    { opacity: .5; pointer-events: none; }
body.server-offline .input-send   { opacity: .4; pointer-events: none; }
body.server-offline .input-attach { opacity: .4; pointer-events: none; }

body.server-offline .chat-history { opacity: .6; }

body.server-offline .topbar::after { opacity: 0; }

/* ============================================================
   chat.css v1.3.0 — Markdown рендеринг + typing label
   ============================================================ */

/* ── Typing label ("Собеседник набирает...") ── */
.typing-wrap {
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-self: flex-start;
  padding: 4px 0;
}
.typing-label {
  font-family: var(--sans);
  font-size: 11px;
  color: var(--text3);
  padding: 0 4px;
  animation: fadeInLabel .25s ease;
}
.typing-label-sub {
  color: var(--accent);
  font-size: 10px;
}
@keyframes fadeInLabel {
  from { opacity: 0; transform: translateY(2px); }
  to   { opacity: 1; transform: none; }
}

/* ── Markdown контент в пузырьке агента ── */
.msg.agent .msg-bubble {
  /* Разрешаем блочные элементы внутри пузырька */
  display: block;
  line-height: 1.6;
}

/* Заголовки */
.msg.agent .msg-bubble h1,
.msg.agent .msg-bubble h2,
.msg.agent .msg-bubble h3,
.msg.agent .msg-bubble h4 {
  font-family: var(--sans);
  font-weight: 700;
  color: var(--text);
  margin: 12px 0 6px;
  line-height: 1.3;
}
.msg.agent .msg-bubble h1 { font-size: 16px; }
.msg.agent .msg-bubble h2 { font-size: 14px; border-bottom: 1px solid var(--border); padding-bottom: 4px; }
.msg.agent .msg-bubble h3 { font-size: 13px; color: var(--text2); }
.msg.agent .msg-bubble h1:first-child,
.msg.agent .msg-bubble h2:first-child,
.msg.agent .msg-bubble h3:first-child { margin-top: 0; }

/* Параграфы */
.msg.agent .msg-bubble p {
  margin: 0 0 8px;
}
.msg.agent .msg-bubble p:last-child { margin-bottom: 0; }

/* Жирный и курсив */
.msg.agent .msg-bubble strong { font-weight: 700; color: var(--text); }
.msg.agent .msg-bubble em     { font-style: italic; color: var(--text2); }

/* Горизонтальная линия */
.msg.agent .msg-bubble hr {
  border: none;
  border-top: 1px solid var(--border2);
  margin: 10px 0;
}

/* Инлайн код */
.msg.agent .msg-bubble code {
  font-family: var(--mono);
  font-size: 11px;
  background: var(--bg4);
  color: var(--accent2);
  padding: 1px 5px;
  border-radius: 3px;
  border: 1px solid var(--border);
}

/* Блок кода */
.msg.agent .msg-bubble pre {
  background: var(--bg4);
  border: 1px solid var(--border2);
  border-radius: 6px;
  padding: 10px 12px;
  margin: 8px 0;
  overflow-x: auto;
}
.msg.agent .msg-bubble pre code {
  background: none;
  border: none;
  padding: 0;
  color: var(--text);
  font-size: 11px;
  line-height: 1.5;
}

/* Списки */
.msg.agent .msg-bubble ul,
.msg.agent .msg-bubble ol {
  margin: 6px 0 8px;
  padding-left: 20px;
}
.msg.agent .msg-bubble li {
  margin-bottom: 3px;
  line-height: 1.5;
}
.msg.agent .msg-bubble li:last-child { margin-bottom: 0; }

/* Таблицы */
.msg.agent .msg-bubble table {
  width: 100%;
  border-collapse: collapse;
  margin: 8px 0;
  font-size: 11px;
  font-family: var(--mono);
}
.msg.agent .msg-bubble th {
  background: var(--bg4);
  color: var(--text2);
  font-weight: 600;
  text-align: left;
  padding: 5px 8px;
  border: 1px solid var(--border2);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.msg.agent .msg-bubble td {
  padding: 4px 8px;
  border: 1px solid var(--border);
  color: var(--text);
  vertical-align: top;
}
.msg.agent .msg-bubble tr:nth-child(even) td {
  background: rgba(30,60,160,.03);
}

/* Blockquote */
.msg.agent .msg-bubble blockquote {
  border-left: 3px solid var(--accent);
  margin: 8px 0;
  padding: 4px 12px;
  color: var(--text2);
  background: rgba(37,99,235,.04);
  border-radius: 0 4px 4px 0;
}

/* ── Кнопки экспорта файлов ── */
.export-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}

/* ── Hover-панель экспорта для agent-сообщений ── */
/* Скрыта по умолчанию, появляется при наведении курсора на сообщение.
   Активна для любого ассистентского ответа в истории. */
.msg-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 6px;
  opacity: 0;
  transform: translateY(-2px);
  transition: opacity .15s ease, transform .15s ease;
  pointer-events: none;
}
.msg.agent:hover .msg-toolbar,
.msg.agent:focus-within .msg-toolbar,
.msg-toolbar:hover {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.export-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid var(--accent);
  color: var(--accent);
  background: transparent;
  cursor: pointer;
  transition: background .15s, color .15s;
  white-space: nowrap;
}
.export-btn:hover {
  background: var(--accent);
  color: #fff;
}
.export-btn--pdf  { border-color: #e53e3e; color: #e53e3e; }
.export-btn--pdf:hover  { background: #e53e3e; color: #fff; }
.export-btn--docx { border-color: #2563eb; color: #2563eb; }
.export-btn--docx:hover { background: #2563eb; color: #fff; }
.export-btn--txt  { border-color: #718096; color: #718096; }
.export-btn--txt:hover  { background: #718096; color: #fff; }

/* ── Auto-export карточка (файл по явному запросу пользователя) ── */
.export-file-card {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 10px;
  padding: 10px 14px;
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  border-radius: 8px;
  font-family: var(--mono);
  font-size: 12px;
}
.efc-icon {
  font-size: 20px;
  flex-shrink: 0;
  line-height: 1;
}
.efc-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.efc-name {
  color: var(--text);
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.efc-ttl {
  color: var(--text3);
  font-size: 10px;
}
.efc-btn {
  flex-shrink: 0;
  padding: 5px 14px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  transition: opacity .15s;
  white-space: nowrap;
}
.efc-btn--pdf  { background: #e53e3e; color: #fff; }
.efc-btn--docx { background: #2563eb; color: #fff; }
.efc-btn:hover:not(:disabled) { opacity: .82; }
.efc-btn:disabled {
  background: var(--text3);
  color: var(--bg);
  cursor: default;
  opacity: 1;
}

/* ── Offline overlay — z-index 1100, поверх auth overlay (1000) ── */
#offline-overlay {
  position: fixed; inset: 0; z-index: 1100;
  background: rgba(17,24,39,0.55);
  backdrop-filter: blur(3px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: opacity .25s ease;
}
#offline-overlay.visible {
  opacity: 1; pointer-events: all;
}
.offline-card {
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: 12px;
  padding: 40px 44px;
  text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 16px;
  box-shadow: 0 12px 48px rgba(0,0,0,.22);
  min-width: 300px;
}
.offline-icon {
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--red-bg);
  border: 1px solid rgba(220,38,38,.25);
  display: flex; align-items: center; justify-content: center;
  font-size: 26px;
}
.offline-title {
  font-family: var(--sans); font-size: 18px; font-weight: 700;
  color: var(--text); letter-spacing: -0.3px;
}
.offline-sub {
  font-family: var(--mono); font-size: 11px; color: var(--text3);
  line-height: 1.7; max-width: 220px;
}
.offline-countdown {
  font-family: var(--mono); font-size: 11px;
  color: var(--red); background: var(--red-bg);
  border: 1px solid rgba(220,38,38,.2);
  border-radius: 4px; padding: 5px 16px;
  min-width: 120px;
}

/* ── Session context menu ───────────────────────────────────────────────────── */

.session-item {
  position: relative;
}

.session-label {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.session-menu-btn {
  flex-shrink: 0;
  display: none;
  background: none;
  border: none;
  color: var(--text3);
  cursor: pointer;
  font-size: 14px;
  padding: 0 4px;
  line-height: 1;
  border-radius: 3px;
  opacity: 0;
  transition: opacity .12s;
}
.session-item:hover .session-menu-btn {
  display: inline-flex;
  opacity: 1;
}
.session-menu-btn:hover {
  color: var(--text);
  background: var(--bg4);
}

.session-context-menu {
  position: fixed;
  z-index: 2000;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 4px 0;
  min-width: 148px;
  box-shadow: 0 4px 20px rgba(0,0,0,.18);
  display: flex;
  flex-direction: column;
}
.session-context-menu button {
  background: none;
  border: none;
  padding: 8px 16px;
  text-align: left;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text);
  transition: background .1s;
}
.session-context-menu button:hover {
  background: var(--bg4);
}
.session-context-menu button.danger {
  color: var(--red);
}
.session-context-menu button.danger:hover {
  background: var(--red-bg, rgba(220,38,38,.08));
}

.session-rename-input {
  width: 100%;
  background: var(--bg2);
  border: 1px solid var(--accent);
  border-radius: 3px;
  color: var(--text);
  font-family: var(--mono);
  font-size: 11px;
  padding: 1px 5px;
  outline: none;
}

/* ── Idle timeout overlay ───────────────────────────────────────────────────── */

.idle-overlay {
  position: fixed;
  inset: 0;
  z-index: 1200;
  background: rgba(238,242,252,.85);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s ease;
}
.idle-overlay.visible {
  opacity: 1;
  pointer-events: all;
}
.idle-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 36px 44px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  box-shadow: 0 8px 40px rgba(30,60,160,.14);
  max-width: 320px;
  width: 90%;
}
.idle-icon {
  width: 48px; height: 48px; border-radius: 50%;
  background: rgba(245,158,11,.12);
  border: 1px solid rgba(245,158,11,.25);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
}
.idle-title {
  font-family: var(--sans); font-size: 16px; font-weight: 700;
  color: var(--text); letter-spacing: -.3px;
}
.idle-subtitle {
  font-family: var(--mono); font-size: 11px; color: var(--text3);
  line-height: 1.7;
}
.idle-countdown {
  font-family: var(--mono); font-size: 12px;
  color: var(--yellow, #d97706);
  background: rgba(245,158,11,.10);
  border: 1px solid rgba(245,158,11,.2);
  border-radius: 4px; padding: 5px 18px;
  min-width: 130px;
}
.idle-actions {
  display: flex; gap: 8px; margin-top: 4px;
}
.idle-btn-continue {
  flex: 1;
  padding: 8px 16px;
  background: var(--accent);
  color: #fff;
  border: none; border-radius: 6px;
  font-family: var(--mono); font-size: 12px;
  cursor: pointer;
  transition: opacity .12s;
}
.idle-btn-continue:hover { opacity: .88; }
.idle-btn-logout {
  flex: 1;
  padding: 8px 16px;
  background: none;
  color: var(--text3);
  border: 1px solid var(--border2);
  border-radius: 6px;
  font-family: var(--mono); font-size: 12px;
  cursor: pointer;
  transition: background .12s;
}
.idle-btn-logout:hover { background: var(--bg4); }

/* ── Таймер ответа в typing-индикаторе ── */
.typing-timer {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text3);
  padding: 0 4px;
  transition: color .3s;
}
.typing-timer--green { color: var(--green); }
.typing-timer--yellow { color: var(--yellow); }
.typing-timer--red   { color: var(--red); }

/* ── Финальное время ответа в футере сообщения ── */
.resp-time {
  font-family: var(--mono);
  font-size: 9px;
  margin-left: 4px;
}
.resp-time--green  { color: var(--green); }
.resp-time--yellow { color: var(--yellow); }
.resp-time--red    { color: var(--red); }

/* ── Стриминговый пузырёк (токены LLM до финального render) ── */
.msg.agent.streaming .msg-bubble--streaming {
  white-space: pre-wrap;
  word-break: break-word;
  opacity: .92;
}
.msg.agent.streaming .msg-bubble--streaming::after {
  content: '▌';
  animation: blink-cursor .7s step-end infinite;
  color: var(--accent);
}
@keyframes blink-cursor {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}