:root {
  --bg: #ffffff;
  --fg: #1b1b1f;
  --muted: #6b7280;
  --card: #f3f4f6;
  --accent: #2563eb;
  --accent-fg: #ffffff;
  --border: #d1d5db;
  --ok: #15803d;
  --bad: #bb7b7b;
  --info-bg: #eff6ff;
  --error-bg: #fef2f2;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111318;
    --fg: #e5e7eb;
    --muted: #9ca3af;
    --card: #1d2027;
    --accent: #3b82f6;
    --accent-fg: #ffffff;
    --border: #374151;
    --ok: #4ade80;
    --bad: #bb7b7b;
    --info-bg: #172035;
    --error-bg: #2a1516;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

.app {
  max-width: 480px;
  margin: 0 auto;
  padding: 16px;
}

h1 {
  font-size: 22px;
  margin: 0 0 12px;
}

.hidden { display: none!important;}
.muted { color: var(--muted); font-size: 14px; }

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

#back-to-chats {
  display: block;
  margin-bottom: 12px;
}

.tab {
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--card);
  color: var(--fg);
  font-size: 16px;
  cursor: pointer;
}

.chat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 12px;
}

.chat-card {
  aspect-ratio: 1 / 1;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--card);
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  overflow: hidden;
  cursor: pointer;
}

.chat-card-title {
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: none;
    margin-bottom: .5rem;
}

.chat-card-shops {
  display: flex;
  flex-wrap: wrap;
  overflow: hidden;
}

.chat-card-shop {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 6px;
    font-size: 13px;
    white-space: nowrap;
    overflow: hidden;
    width: 100%;
}

.chat-card-shop-name {
    overflow: hidden;
    text-overflow: ellipsis;
}

.stock-dot {
    flex: none;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--border);
}

.stock-dot.on { background: var(--ok); }
.stock-dot.off { background: var(--bad); }


.chat-card-product {
  padding: 4px 6px;
  border-radius: 4px;
  margin: 0 .2rem .2rem 0;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--fg);
  font-size: 13px;
  white-space: nowrap;
  overflow: hidden;
}

.chat-card-product.on { border-color: var(--ok); color: var(--ok); }
.chat-card-product.off { border-color: var(--bad); color: var(--bad); }

.tab.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-fg);
}

/* Плитка магазинов — та же сетка/карточка, что и .chat-grid/.chat-card. */
.shop-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 12px;
}

.shop-card {
  height: 200px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--card);
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  overflow: hidden;
  cursor: pointer;
}

.shop-card-title {
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: none;
  margin-bottom: .25rem;
}
.shop-card-info {
    display: flex;
    justify-content: space-between;
}
.shop-card-status {
  font-weight: 700;
  font-size: 13px;
  flex: none;
}

.shop-card-status.open { color: var(--ok); }
.shop-card-status.closed { color: var(--bad); }

.shop-card-products {
  display: flex;
  flex-wrap: wrap;
  overflow: hidden;
  margin-bottom: auto;
}

form {
  display: grid;
  gap: 14px;
}

.row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.switch-row { justify-content: space-between; }

.switch {
  position: relative;
  display: inline-block;
  width: 46px;
  height: 26px;
  flex: none;
}

.switch-input {
  position: absolute;
  inset: 0;
  margin: 0;
  opacity: 0;
  cursor: pointer;
}

.switch-track {
  position: absolute;
  inset: 0;
  background: var(--border);
  border-radius: 999px;
  transition: background .15s;
}

.switch-track::before {
  content: '';
  position: absolute;
  left: 3px;
  top: 3px;
  width: 20px;
  height: 20px;
  background: #fff;
  border-radius: 50%;
  transition: transform .15s;
}

.switch-input:checked + .switch-track { background: var(--ok); }
.switch-input:checked + .switch-track::before { transform: translateX(20px); }

.queue-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.opt-btn {
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--card);
  color: var(--fg);
  font-size: 15px;
  cursor: pointer;
}

.opt-btn.active,
.opt-btn[aria-pressed="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-fg);
}

fieldset {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 14px 14px;
  display: grid;
  gap: 10px;
  margin: 0;
}

legend { padding: 0 6px; color: var(--muted); }

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .5);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 10;
}

.modal-box {
  width: 100%;
  max-width: 420px;
  max-height: 85vh;
  overflow-y: auto;
  background: var(--bg);
  border-radius: 14px;
  padding: 16px;
}

.modal-box h2 {
  margin: 0 0 12px;
  font-size: 20px;
}

.modal-actions {
  display: flex;
  gap: 10px;
}

#cancel-btn {
  flex: 1;
  padding: 14px;
  font-size: 18px;
  font-weight: 600;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--card);
  color: var(--fg);
  cursor: pointer;
}

button[type="submit"] {
  flex: 2;
  padding: 14px;
  font-size: 18px;
  font-weight: 600;
  border: 0;
  border-radius: 12px;
  background: var(--accent);
  color: var(--accent-fg);
  cursor: pointer;
}

button[type="submit"]:disabled { opacity: 0.6; }

.notice {
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--card);
  margin: 0;
}

.notice-info { background: var(--info-bg); }
.notice-error { background: var(--error-bg); color: var(--bad); }

pre#debug-info {
  white-space: pre-wrap;
  word-break: break-all;
  font-size: 12px;
}

/**
 *
 */
.mb-2 {
    margin-bottom: .75rem;
}