:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --text: #1c2430;
  --muted: #6b7686;
  --border: #dde2e8;
  --accent: #1f6f5c;
  --accent-text: #ffffff;
  --hover: #eef1f4;
  --selected: #e3efeb;
  --term-bg: #11161d;

  --st-waiting: #b86e00;
  --st-waiting-bg: #fff2dc;
  --st-working: #1d5fb8;
  --st-working-bg: #e2edfb;
  --st-interrupted: #b3261e;
  --st-interrupted-bg: #fde7e5;
  --st-idle: #55606e;
  --st-idle-bg: #eceff2;
  --st-sleeping: #7b8490;
  --st-sleeping-bg: #f1f2f4;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1318;
    --panel: #161b22;
    --text: #e3e8ee;
    --muted: #8b95a3;
    --border: #28303a;
    --accent: #2f9a80;
    --hover: #1d242d;
    --selected: #1c3129;
    --st-waiting: #ffb547;
    --st-waiting-bg: #3a2a10;
    --st-working: #7ab0ff;
    --st-working-bg: #16263d;
    --st-interrupted: #ff8a80;
    --st-interrupted-bg: #3d1614;
    --st-idle: #aab3be;
    --st-idle-bg: #232a33;
    --st-sleeping: #7f8995;
    --st-sleeping-bg: #1b2028;
  }
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 14px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.muted { color: var(--muted); }

.layout { display: grid; grid-template-columns: 300px 1fr; height: 100dvh; }

.sidebar {
  background: var(--panel);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column; min-height: 0;
}
.sidebar-head { display: flex; align-items: center; gap: 8px; padding: 12px; border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.sidebar-head strong { font-size: 15px; }
.slots { color: var(--muted); font-size: 12px; margin-right: auto; }

.limits { display: grid; gap: 6px; padding: 10px 12px; border-bottom: 1px solid var(--border); font-size: 12px; }
.limit-row { display: grid; grid-template-columns: 58px 1fr auto; align-items: center; gap: 8px; }
.limit-bar { height: 6px; border-radius: 3px; background: var(--hover); overflow: hidden; }
.limit-bar > span { display: block; height: 100%; background: var(--accent); }
.limit-bar.warn > span { background: var(--st-waiting); }
.limit-bar.full > span { background: var(--st-interrupted); }
.limits .muted { font-size: 11px; }

.new-chat { display: grid; gap: 8px; padding: 12px; border-bottom: 1px solid var(--border); }
.new-chat input, .line-input input {
  width: 100%; padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px;
  background: var(--bg); color: var(--text); font: inherit;
}
.row { display: flex; gap: 8px; }

.chat-list { list-style: none; margin: 0; padding: 4px; overflow-y: auto; flex: 1; }
.chat-item {
  display: grid; grid-template-columns: 1fr auto; gap: 2px 8px;
  padding: 10px; border-radius: 6px; cursor: pointer;
}
.chat-item:hover { background: var(--hover); }
.chat-item.selected { background: var(--selected); }
.chat-item .title { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chat-item .meta { grid-column: 1 / -1; color: var(--muted); font-size: 12px; }

.badge {
  font-size: 12px; padding: 2px 8px; border-radius: 999px; white-space: nowrap; align-self: start;
  background: var(--st-idle-bg); color: var(--st-idle);
}
.badge.waiting { background: var(--st-waiting-bg); color: var(--st-waiting); font-weight: 600; }
.badge.question,
.badge.approval { background: var(--st-interrupted-bg); color: var(--st-interrupted); font-weight: 600; }
.badge.working { background: var(--st-working-bg); color: var(--st-working); }
.badge.interrupted { background: var(--st-interrupted-bg); color: var(--st-interrupted); font-weight: 600; }
.badge.sleeping { background: var(--st-sleeping-bg); color: var(--st-sleeping); }

.btn {
  border: 1px solid var(--border); background: var(--panel); color: var(--text);
  padding: 6px 12px; border-radius: 6px; font: inherit; cursor: pointer; white-space: nowrap;
}
.btn:hover { background: var(--hover); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.btn:disabled { opacity: .5; cursor: default; }
.btn.icon { padding: 6px 10px; }

.main { min-width: 0; min-height: 0; display: flex; }
.empty { margin: auto; color: var(--muted); padding: 16px; text-align: center; }

.chat { display: flex; flex-direction: column; flex: 1; min-width: 0; min-height: 0; }
.chat-head {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 10px 12px; background: var(--panel); border-bottom: 1px solid var(--border);
}
.chat-title { display: flex; flex-direction: column; min-width: 0; margin-right: auto; }
.chat-title strong { cursor: text; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chat-title .muted { font-size: 12px; }
.actions { display: flex; gap: 6px; flex-wrap: wrap; }
.back { display: none; }

.banner { padding: 8px 12px; background: var(--st-waiting-bg); color: var(--st-waiting); font-size: 13px; }
.banner.error { background: var(--st-interrupted-bg); color: var(--st-interrupted); }

.term { flex: 1; min-height: 0; background: var(--term-bg); padding: 4px; }
.line-input { display: flex; gap: 8px; padding: 8px; background: var(--panel); border-top: 1px solid var(--border); }

@media (max-width: 760px) {
  .layout { grid-template-columns: 1fr; }
  .layout.chat-open .sidebar { display: none; }
  .layout:not(.chat-open) .main { display: none; }
  .back { display: inline-block; }
  .sidebar { border-right: 0; }
}

.badge.ok { background: var(--st-ok-bg); color: var(--st-ok); }
:root { --st-ok: #2e7d4f; --st-ok-bg: #e3f4ea; }
@media (prefers-color-scheme: dark) { :root { --st-ok: #6fd39a; --st-ok-bg: #16301f; } }
.count { margin-left: 4px; background: var(--st-interrupted); color: #fff; border-radius: 999px; padding: 0 6px; font-size: 11px; }
.rule-details { grid-column: 1 / -1; display: grid; gap: 6px; margin-top: 6px; font-size: 12px; }
.rule-details .row { flex-wrap: wrap; }
.rule-history { margin: 0; padding-left: 16px; color: var(--muted); max-height: 160px; overflow-y: auto; }
.task-spec { white-space: pre-wrap; max-height: 260px; overflow-y: auto; background: var(--bg); border: 1px solid var(--border);
  border-radius: 6px; padding: 8px; margin: 0; font: 12px/1.45 ui-monospace, Consolas, monospace; }
.task-runs { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.task-runs li { border-top: 1px solid var(--border); padding-top: 6px; }
.task-runs a { color: var(--accent); margin-right: 8px; }

.materials-pane { display: flex; flex-direction: column; min-height: 0; flex: 1; }
.materials-controls { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; padding: 8px; border-bottom: 1px solid var(--border); }
.materials-controls select { padding: 5px 6px; border: 1px solid var(--border); border-radius: 6px; background: var(--bg); color: var(--text); font: inherit; }
.chat-item .rec-id { font-family: ui-monospace, Consolas, monospace; color: var(--muted); margin-right: 4px; }
.doc { display: flex; flex-direction: column; flex: 1; min-width: 0; min-height: 0; }
.doc-body { flex: 1; overflow-y: auto; padding: 16px 20px 40px; max-width: 900px; line-height: 1.55; }
.doc-body h1 { font-size: 20px; margin: 0 0 12px; }
.doc-body h2 { font-size: 16px; margin: 22px 0 8px; }
.doc-body h3 { font-size: 14px; margin: 16px 0 6px; }
.doc-body p, .doc-body ul, .doc-body ol { margin: 6px 0; }
.doc-body blockquote { margin: 8px 0; padding: 6px 12px; border-left: 3px solid var(--accent); background: var(--hover); border-radius: 0 6px 6px 0; }
.doc-body code { background: var(--hover); padding: 1px 4px; border-radius: 4px; font-size: 12.5px; }
.doc-body pre { background: var(--hover); padding: 10px; border-radius: 6px; overflow-x: auto; font-size: 12.5px; }
.doc-body table { border-collapse: collapse; margin: 8px 0; font-size: 13px; display: block; overflow-x: auto; }
.doc-body th, .doc-body td { border: 1px solid var(--border); padding: 4px 8px; vertical-align: top; text-align: left; }
.doc-body a { color: var(--accent); cursor: pointer; }
.doc-meta { display: grid; grid-template-columns: max-content 1fr; gap: 2px 12px; font-size: 12px; color: var(--muted); margin-bottom: 12px; }
.doc-settings { padding: 8px 20px; border-bottom: 1px solid var(--border); background: var(--panel); display: flex; gap: 16px; flex-wrap: wrap; font-size: 13px; }
.doc-settings label { display: flex; gap: 6px; align-items: center; }

/* Атрибут hidden должен побеждать display у блоков (иначе главная область делилась пополам). */
[hidden] { display: none !important; }

/* Мониторинг: карточки правил в главной области. */
.rule-card { border: 1px solid var(--border); border-left: 4px solid var(--border); border-radius: 8px;
  padding: 12px 16px; margin: 0 0 12px; background: var(--panel); }
.rule-card.interrupted { border-left-color: var(--st-interrupted); }
.rule-card.waiting { border-left-color: var(--st-waiting); }
.rule-card.ok { border-left-color: #2e9e5b; }
.rule-card-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.rule-card-head h3 { margin: 0; font-size: 16px; flex: 1; min-width: 200px; }
.rule-facts { display: grid; grid-template-columns: 140px 1fr; gap: 6px 12px; margin: 10px 0; font-size: 14px; }
.rule-facts dt { color: var(--muted); }
.rule-facts dd { margin: 0; word-break: break-word; }
@media (max-width: 700px) { .rule-facts { grid-template-columns: 1fr; } .rule-facts dt { margin-top: 6px; } }

/* Ссылки на панели сервисов. */
.services { display: flex; gap: 6px; flex-wrap: wrap; padding: 8px 12px; border-top: 1px solid var(--border); font-size: 13px; }
.services a { color: var(--accent); text-decoration: none; padding: 2px 8px; border: 1px solid var(--border); border-radius: 12px; }
.services a:hover { background: var(--hover); }

/* Пользователь внизу боковой панели */
.userbar { display: flex; justify-content: space-between; gap: 8px; padding: 8px 12px; border-top: 1px solid #2a3340; font-size: 12px; }
.userbar a { color: inherit; opacity: .8; }

/* Лента сообщений API-исполнителя */
.messages { flex: 1; overflow: auto; padding: 12px 16px; display: flex; flex-direction: column; gap: 10px; background: var(--bg); color: var(--text); }
.messages .msg { max-width: 920px; padding: 8px 12px; border-radius: 8px; background: var(--panel); border: 1px solid var(--border); }
.messages .msg.user { align-self: flex-end; background: var(--selected); }
.messages .msg.assistant { background: var(--panel); border-color: var(--accent); }
.messages .msg pre { white-space: pre-wrap; word-break: break-word; margin: 4px 0 0; font-size: 12px; }
.messages .msg-head { font-size: 11px; color: var(--muted); margin-bottom: 4px; }
.messages .msg-body { line-height: 1.45; }
.messages .msg-body p { margin: 4px 0; }
.messages .msg-body table { border-collapse: collapse; margin: 6px 0; } .messages .msg-body td, .messages .msg-body th { border: 1px solid var(--border); padding: 2px 8px; }
.messages .msg.step { background: transparent; border: 0; padding: 0 12px; font-size: 12px; color: var(--muted); }
.messages .msg.step .link { cursor: pointer; text-decoration: underline dotted; }
.messages .msg.step pre { color: var(--text); opacity: .85; margin-top: 4px; }
.messages .msg-empty { max-width: 720px; margin: 24px auto; padding: 16px 20px; border: 1px dashed var(--border); border-radius: 10px; color: var(--text); background: var(--panel); }
.messages .msg-empty p { margin: 6px 0; }