:root {
  --bg: #f3f5f8;
  --surface: #ffffff;
  --surface-2: #f7f9fb;
  --text: #1c2430;
  --muted: #667085;
  --border: #dde3ea;
  --accent: #2563eb;
  --accent-text: #ffffff;
  --accent-soft: #e8efff;
  --client-bubble: #ffffff;
  --manager-bubble: #e6f0ff;
  --warn: #b54708;
  --warn-soft: #fff4e5;
  --ok: #067647;
  --ok-soft: #e7f6ee;
  --danger: #b42318;
  --danger-soft: #fdecea;
  --upsell: #6d28d9;
  --upsell-soft: #f3edff;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.06);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f141a;
    --surface: #171d25;
    --surface-2: #1d2530;
    --text: #e6eaf0;
    --muted: #98a2b3;
    --border: #2b3542;
    --accent: #5b8cff;
    --accent-text: #0b1020;
    --accent-soft: #1e2a44;
    --client-bubble: #1d2530;
    --manager-bubble: #1f3050;
    --warn: #fdb022;
    --warn-soft: #3a2a10;
    --ok: #47cd89;
    --ok-soft: #10301f;
    --danger: #f97066;
    --danger-soft: #3b1714;
    --upsell: #b692f6;
    --upsell-soft: #2a2140;
    --shadow: none;
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --bg: #0f141a;
  --surface: #171d25;
  --surface-2: #1d2530;
  --text: #e6eaf0;
  --muted: #98a2b3;
  --border: #2b3542;
  --accent: #5b8cff;
  --accent-text: #0b1020;
  --accent-soft: #1e2a44;
  --client-bubble: #1d2530;
  --manager-bubble: #1f3050;
  --warn: #fdb022;
  --warn-soft: #3a2a10;
  --ok: #47cd89;
  --ok-soft: #10301f;
  --danger: #f97066;
  --danger-soft: #3b1714;
  --upsell: #b692f6;
  --upsell-soft: #2a2140;
  --shadow: none;
  color-scheme: dark;
}

* { box-sizing: border-box; }

/* Атрибут hidden должен побеждать display из классов (.form, .kv и т. п.). */
[hidden] { display: none !important; }

html, body { margin: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.muted { color: var(--muted); }
.small { font-size: 13px; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

/* ---------- Шапка ---------- */

.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  padding: 12px 20px; background: var(--surface); border-bottom: 1px solid var(--border);
}
.brand { font-weight: 600; }
.brand-block { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.nav { display: flex; gap: 4px; }
.nav-link {
  color: var(--muted); text-decoration: none; font-size: 14px; padding: 5px 10px; border-radius: 8px;
}
.nav-link:hover { background: var(--surface-2); color: var(--text); }
.nav-link.active { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.nav-link:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.badges { display: flex; gap: 8px; flex-wrap: wrap; }
.badge {
  font-size: 12px; padding: 3px 8px; border-radius: 999px;
  background: var(--surface-2); border: 1px solid var(--border); color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.badge-warn { background: var(--warn-soft); color: var(--warn); border-color: transparent; }
.badge-ok { background: var(--ok-soft); color: var(--ok); border-color: transparent; }
.badge-select { display: inline-flex; align-items: center; gap: 4px; padding-block: 0; }
.badge-select select {
  font-size: 12px; color: inherit; background: transparent; border: 0; padding: 3px 0; max-width: 220px;
  cursor: pointer;
}
.badge-select select option { color: var(--text); background: var(--surface); }
.btn-small { font-size: 12px; padding: 3px 10px; }
.live-demo { position: relative; display: flex; align-items: center; gap: 6px; }
.live-form {
  position: absolute; right: 0; top: calc(100% + 8px); z-index: 20; width: 280px;
  display: grid; gap: 8px; padding: 12px;
}
.live-form input { width: 100%; }
.live-form .actions { display: flex; gap: 8px; }
.live-error { color: var(--danger); margin: 0; }

/* ---------- Раскладка ---------- */

.layout {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(360px, 440px); gap: 16px;
  padding: 16px 20px; height: calc(100vh - 58px);
}
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow); min-height: 0;
}

/* ---------- Чат ---------- */

.chat { display: flex; flex-direction: column; overflow: hidden; }
.chat-head {
  display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 12px 16px; border-bottom: 1px solid var(--border);
}
.lead-title { font-weight: 600; }
.chat-tools { display: flex; gap: 8px; flex-wrap: wrap; }

.messages {
  flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 10px;
  background: var(--surface-2);
}
.empty { margin: auto; text-align: center; max-width: 320px; }

.msg { max-width: 78%; display: flex; flex-direction: column; gap: 2px; }
.msg-client { align-self: flex-start; }
.msg-manager, .msg-bot { align-self: flex-end; align-items: flex-end; }
.msg-author { font-size: 12px; color: var(--muted); }
.msg-bubble {
  padding: 8px 12px; border-radius: 12px; border: 1px solid var(--border);
  white-space: pre-wrap; overflow-wrap: anywhere;
}
.msg-client .msg-bubble { background: var(--client-bubble); border-top-left-radius: 4px; }
.msg-manager .msg-bubble, .msg-bot .msg-bubble {
  background: var(--manager-bubble); border-color: transparent; border-top-right-radius: 4px;
}

.composer { border-top: 1px solid var(--border); padding: 10px 16px 14px; display: grid; gap: 8px; }
.role-switch { display: flex; gap: 16px; font-size: 14px; }
.role-switch label { display: flex; align-items: center; gap: 6px; cursor: pointer; }
.composer-row { display: flex; gap: 8px; align-items: flex-end; }
.composer textarea {
  flex: 1; resize: vertical; min-height: 44px; max-height: 200px;
}

/* ---------- Элементы форм ---------- */

textarea, input, select {
  font: inherit; color: var(--text); background: var(--surface);
  border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px;
}
textarea:focus, input:focus, select:focus, .btn:focus-visible, .tab:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 1px;
}

.btn {
  font: inherit; font-size: 14px; cursor: pointer; border-radius: 8px; padding: 7px 12px;
  border: 1px solid var(--border); background: var(--surface); color: var(--text);
  transition: background-color 120ms ease, border-color 120ms ease;
}
.btn:hover { background: var(--surface-2); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.btn-primary:hover { background: var(--accent); filter: brightness(1.07); }
.btn-ghost { border-color: transparent; background: transparent; color: var(--accent); }

/* ---------- Панель помощника ---------- */

.assistant { display: flex; flex-direction: column; overflow: hidden; }
.tabs { display: flex; border-bottom: 1px solid var(--border); padding: 0 8px; }
.tab {
  font: inherit; font-size: 14px; background: none; border: none; color: var(--muted);
  padding: 12px 10px; cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.tab.active { color: var(--text); border-bottom-color: var(--accent); font-weight: 600; }
.tab-panel { padding: 14px 16px; overflow-y: auto; flex: 1; }

.status { font-size: 14px; margin-bottom: 10px; }
.status.loading::before {
  content: ""; display: inline-block; width: 12px; height: 12px; margin-right: 8px; vertical-align: -1px;
  border: 2px solid var(--border); border-top-color: var(--accent); border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
.status.error { color: var(--danger); }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .status.loading::before { animation: none; } }

.token-form { margin-bottom: 12px; }
.token-form p { margin: 0; }

.banner {
  background: var(--warn-soft); color: var(--warn); border-radius: 8px;
  padding: 8px 10px; font-size: 13px; margin-bottom: 10px;
}

.block {
  border: 1px solid var(--border); border-radius: var(--radius); padding: 12px 14px; margin-bottom: 10px;
}
.block-upsell { border-color: var(--upsell); background: var(--upsell-soft); }
.block-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.block-tools { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; justify-content: flex-end; }
.block-tools .btn-small { padding: 2px 6px; }
.block h2 { font-size: 15px; margin: 0; }
.block h2 .small { font-weight: 400; }
.reply { white-space: pre-wrap; margin: 8px 0; }
/* Абзацы без пустой строки между ними — черновик короче, допродажа ближе к первому экрану. */
.reply .para { display: block; }
.reply .para + .para { margin-top: 6px; }
.note { font-size: 13px; color: var(--warn); background: var(--warn-soft); padding: 6px 8px; border-radius: 6px; }

.pill {
  font-size: 12px; padding: 2px 8px; border-radius: 999px; white-space: nowrap;
  background: var(--surface-2); color: var(--muted);
}
.pill-warn { background: var(--warn-soft); color: var(--warn); }
.pill-now { background: var(--ok-soft); color: var(--ok); }
.pill-later { background: var(--accent-soft); color: var(--accent); }
.pill-no { background: var(--surface-2); color: var(--muted); }

.chips { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 6px; margin: 6px 0 4px; }
.chip {
  font: 11px/1.4 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  padding: 1px 5px; border-radius: 6px; background: var(--surface-2); border: 1px solid var(--border);
}

/* Плашка допродажи: на компьютере прилипает к нижнему краю панели подсказки, на телефоне — экрана. */
.upsell-peek {
  position: sticky; bottom: 0; z-index: 5; width: 100%;
  display: flex; align-items: center; gap: 8px; margin-top: 4px; padding: 8px 12px;
  font: inherit; font-size: 13px; text-align: left; cursor: pointer;
  color: var(--text); background: var(--upsell-soft); border: 1px solid var(--upsell); border-radius: 8px;
  box-shadow: 0 -4px 12px rgba(16, 24, 40, 0.12);
}
.upsell-peek:hover { filter: brightness(1.04); }
.upsell-peek:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.upsell-peek-label { font-weight: 600; color: var(--upsell); white-space: nowrap; }
.upsell-peek-text { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }

.kv { display: grid; grid-template-columns: max-content 1fr; gap: 6px 12px; margin: 8px 0 0; font-size: 14px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; overflow-wrap: anywhere; }
.kv .pitch { font-style: italic; }

.warnings { margin: 8px 0 0; padding-left: 18px; font-size: 14px; color: var(--warn); }
.warnings.flags { color: var(--danger); font-size: 13px; display: grid; gap: 2px; }

/* Место, которое проверки не подтвердили: ошибочная цена, обещание, стоп-фраза. */
mark.flag {
  color: inherit; background: var(--danger-soft); border-radius: 3px; padding: 0 2px;
  text-decoration: underline wavy var(--danger); text-decoration-thickness: 1px; text-underline-offset: 3px;
  cursor: help;
}

.confirm {
  margin-top: 10px; padding: 10px 12px; border-radius: 8px;
  background: var(--warn-soft); border: 1px solid var(--warn);
}
.confirm p { margin: 0; color: var(--text); }

.meta summary { cursor: pointer; font-size: 14px; color: var(--muted); }
.meta .kv { font-size: 13px; font-variant-numeric: tabular-nums; }

.form { display: grid; gap: 12px; }
.form label { display: grid; gap: 4px; font-size: 13px; color: var(--muted); }

.kb-toolbar { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.kb-content h3 { font-size: 14px; margin: 16px 0 8px; }
.kb-item { border-bottom: 1px solid var(--border); padding: 8px 0; font-size: 14px; }
.kb-item:last-child { border-bottom: none; }
.kb-item .price { font-variant-numeric: tabular-nums; font-weight: 600; white-space: nowrap; }
.kb-row { display: flex; justify-content: space-between; gap: 8px; }
.kb-errors { color: var(--danger); font-size: 13px; padding-left: 18px; }

.toast {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%);
  background: var(--text); color: var(--surface); padding: 8px 14px; border-radius: 8px; font-size: 14px;
}

/* ---------- Страница «amoCRM (mock)» ---------- */

.layout-amo { grid-template-columns: minmax(260px, 320px) minmax(0, 1fr); }
.lead-card { padding: 16px; display: flex; flex-direction: column; gap: 14px; overflow-y: auto; }
.lead-card .kv { margin: 0; }
.field { display: grid; gap: 6px; }
.field select { width: 100%; }
.how summary { cursor: pointer; font-size: 14px; color: var(--muted); }
.how ol { padding-left: 18px; margin: 8px 0; font-size: 14px; display: grid; gap: 4px; }

.feed-note {
  align-self: stretch; background: var(--upsell-soft); border: 1px solid var(--border);
  border-left: 3px solid var(--upsell); border-radius: 8px; padding: 10px 12px;
}
.feed-note-head { display: flex; justify-content: space-between; gap: 8px; flex-wrap: wrap; }
.feed-note-service { font-weight: 600; color: var(--upsell); font-size: 14px; }
.feed-note-text { white-space: pre-wrap; overflow-wrap: anywhere; font: inherit; font-size: 14px; margin: 8px 0 0; }

.queue-status { border-top: 1px solid var(--border); padding: 8px 16px; font-size: 13px; color: var(--muted); }
.queue-status.loading::before {
  content: ""; display: inline-block; width: 11px; height: 11px; margin-right: 8px; vertical-align: -1px;
  border: 2px solid var(--border); border-top-color: var(--accent); border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
.queue-status.error { color: var(--danger); }
@media (prefers-reduced-motion: reduce) { .queue-status.loading::before { animation: none; } }

.notice-wrap { padding: 24px 20px; display: flex; justify-content: center; }
.notice { max-width: 640px; padding: 20px 24px; }
.notice h1 { font-size: 20px; margin: 0 0 12px; }
.notice pre, .notice code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 13px;
  background: var(--surface-2); border-radius: 6px;
}
.notice pre { padding: 10px 12px; }
.notice code { padding: 1px 4px; }
.notice a { color: var(--accent); }

/* ---------- Мобильная раскладка ---------- */

@media (max-width: 900px) {
  .layout, .layout-amo { grid-template-columns: 1fr; height: auto; padding: 12px 16px; }
  .chat { height: 70vh; }
  .assistant { min-height: 60vh; }
  .msg { max-width: 92%; }
  .topbar { padding: 10px 16px; }
  /* Подсказка на телефоне под чатом: плашка внизу экрана говорит, что она готова. */
  .upsell-peek {
    position: fixed; left: 16px; right: 16px; width: auto;
    bottom: calc(12px + env(safe-area-inset-bottom, 0px));
  }
}