/* F23.W1 — GlobalFab styles
 *
 * Канон: Linear Copilot launcher (52px round), Intercom Messenger (gradient + scale-up hover).
 * Premium UI: lucide sparkles icon, slate-tone shadow, smooth 250ms cubic-bezier.
 * Mobile-first: на узких экранах label скрыт, остаётся только icon.
 */

.global-fab {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 999;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px 10px 10px;
  min-height: 56px;
  border: none;
  border-radius: 16px;
  background: #111827;
  color: #fff;
  font-family: var(--font-sans, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0;
  cursor: pointer;
  box-shadow:
    0 18px 42px -18px rgba(17, 24, 39, 0.65),
    0 6px 16px -8px rgba(17, 24, 39, 0.28);
  transition: transform var(--dur-normal, 250ms) var(--ease-standard, cubic-bezier(0.4, 0, 0.2, 1)),
              box-shadow var(--dur-normal, 250ms) var(--ease-standard, cubic-bezier(0.4, 0, 0.2, 1)),
              background var(--dur-fast, 150ms) ease;
  -webkit-tap-highlight-color: transparent;
}

.global-fab:hover {
  transform: translateY(-2px);
  background: #0f172a;
  box-shadow:
    0 22px 48px -18px rgba(17, 24, 39, 0.72),
    0 8px 18px -8px rgba(17, 24, 39, 0.32);
}

.global-fab.is-open {
  transform: translateY(8px);
  opacity: 0;
  pointer-events: none;
}

.global-fab:active {
  transform: translateY(0) scale(0.98);
  transition-duration: 80ms;
}

.global-fab:focus-visible {
  outline: 3px solid rgba(56, 189, 248, 0.48);
  outline-offset: 3px;
}

.global-fab-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: var(--brand-primary);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.16);
}

.global-fab-icon i,
.global-fab-icon svg {
  width: 22px;
  height: 22px;
  display: block;
  stroke-width: 2;
}

.global-fab-label {
  white-space: nowrap;
}

/* F519.W3 — badge-dot: блокирующие проблемы готовности сервиса (Linear unread-dot) */
.global-fab-badge {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 12px;
  height: 12px;
  border-radius: var(--radius-full, 9999px);
  background: var(--color-status-cancelled, #ef4444);
  border: 2px solid #111827;
  box-shadow: 0 0 0 1px rgba(239, 68, 68, 0.45);
  pointer-events: none;
}

/* На узких viewport — collapse в круглую кнопку без label (canon Intercom mobile) */
@media (max-width: 640px) {
  .global-fab {
    padding: 10px;
    border-radius: 18px;
    min-height: 56px;
    width: 56px;
    height: 56px;
  }
  .global-fab-label {
    display: none;
  }
  .global-fab-icon { width: 36px; height: 36px; }
}

/* Когда iframe внутри B24 placement очень узкий (mobile B24 UI) — отступы меньше */
@media (max-width: 480px) {
  .global-fab {
    right: 16px;
    bottom: calc(16px + env(safe-area-inset-bottom, 0px));
  }
}

/* Dark theme support (если в B24 placement применится prefers-color-scheme) */
@media (prefers-color-scheme: dark) {
  .global-fab {
    box-shadow:
      0 10px 25px -8px rgba(15, 23, 42, 0.8),
      0 4px 10px -2px rgba(0, 0, 0, 0.4);
  }
}

/* Context-chip внутри SetupChat header (F23.W1) — показывает «Вы на: Календарь» */
.sc-context-chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  margin: 0 16px 8px;
  background: #eef2ff;
  color: #4338ca;
  font-size: 12px;
  font-weight: 500;
  border-radius: 6px;
  border: 1px solid #c7d2fe;
  letter-spacing: 0;
  width: fit-content;
  max-width: calc(100% - 32px);
}

@media (prefers-color-scheme: dark) {
  .sc-context-chip {
    background: rgba(99, 102, 241, 0.15);
    color: #a5b4fc;
    border-color: rgba(99, 102, 241, 0.3);
  }
}