/* Hosted visitor chat — Quiet Machine DNA, site tokens with fallbacks. No platform name. */
.site-chat-fab {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  position: fixed;
  right: 16px;
  bottom: calc(20px + env(safe-area-inset-bottom, 0px));
  z-index: 90;
  padding: 14px 18px;
  border: 0;
  border-radius: 999px;
  background: var(--ink, #141416);
  color: var(--paper, #f4efe6);
  box-shadow: 0 12px 40px -12px rgba(16, 16, 20, 0.35);
  font:
    600 13px/1.2 ui-sans-serif,
    system-ui,
    sans-serif;
  cursor: pointer;
  transition:
    transform 0.15s ease,
    box-shadow 0.15s ease;
}
.site-chat-fab:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 48px -12px rgba(16, 16, 20, 0.4);
}
.site-chat-fab:focus-visible {
  outline: 2px solid var(--ink, #141416);
  outline-offset: 3px;
}
.site-chat-backdrop {
  position: fixed;
  inset: 0;
  z-index: 94;
  background: rgba(16, 16, 20, 0.28);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity 0.2s ease,
    visibility 0s linear 0.2s;
}
.site-chat-backdrop.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transition: opacity 0.2s ease;
}
.site-chat-panel {
  display: flex;
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 95;
  width: min(380px, calc(100vw - 40px));
  height: min(540px, calc(100svh - 120px));
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line, #e4ddd2);
  border-radius: 12px;
  box-shadow: 0 32px 80px -32px rgba(16, 16, 20, 0.45);
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(8px) scale(0.98);
  transition:
    opacity 0.2s ease,
    transform 0.2s ease,
    visibility 0s linear 0.2s;
}
.site-chat-panel.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: none;
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
}
.site-chat-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 13px 16px;
  border-bottom: 1px solid var(--line, #e4ddd2);
  flex-shrink: 0;
}
.site-chat-head-title {
  flex: 1;
  text-align: center;
  font:
    600 12px/1.3 ui-monospace,
    monospace;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink, #141416);
}
.site-chat-close {
  background: none;
  border: 0;
  font-size: 22px;
  cursor: pointer;
  color: var(--muted, #6b6560);
  line-height: 1;
  transition: color 0.15s ease;
}
.site-chat-close:hover,
.site-chat-close:focus-visible {
  color: var(--ink, #141416);
}
.site-chat-msgs {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.site-chat-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: 92%;
}
.site-chat-row--user {
  align-self: flex-end;
}
.site-chat-bubble {
  padding: 10px 12px;
  border-radius: 12px;
  font:
    15px/1.45 ui-sans-serif,
    system-ui,
    sans-serif;
  color: var(--ink, #141416);
  background: var(--paper, #f4efe6);
}
.site-chat-row--user .site-chat-bubble {
  background: var(--ink, #141416);
  color: var(--paper, #f4efe6);
}
.site-chat-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.site-chat-pill {
  border: 1px solid var(--line, #e4ddd2);
  background: #fff;
  border-radius: 999px;
  padding: 6px 10px;
  font:
    600 12px/1 ui-sans-serif,
    system-ui,
    sans-serif;
  cursor: pointer;
  color: var(--ink, #141416);
  transition:
    background 0.15s ease,
    transform 0.15s ease;
}
.site-chat-pill:hover {
  background: var(--paper, #f4efe6);
}
.site-chat-form {
  display: flex;
  gap: 8px;
  padding: 12px 16px;
  padding-bottom: max(12px, env(safe-area-inset-bottom, 0px));
  border-top: 1px solid var(--line, #e4ddd2);
  flex-shrink: 0;
}
.site-chat-input {
  flex: 1;
  min-height: 40px;
  max-height: 96px;
  overflow-y: auto;
  padding: 10px 12px;
  border: 1px solid var(--line, #e4ddd2);
  border-radius: 10px;
  font:
    15px/1.4 ui-sans-serif,
    system-ui,
    sans-serif;
}
.site-chat-input:empty::before {
  content: attr(data-placeholder);
  color: var(--muted, #6b6560);
}
.site-chat-send {
  border: 0;
  border-radius: 10px;
  padding: 0 14px;
  background: var(--ink, #141416);
  color: var(--paper, #f4efe6);
  font:
    600 13px/1 ui-sans-serif,
    system-ui,
    sans-serif;
  cursor: pointer;
  transition: opacity 0.15s ease;
}
.site-chat-send:disabled {
  opacity: 0.45;
  cursor: default;
}
.site-chat-typing {
  font:
    13px/1.4 ui-sans-serif,
    system-ui,
    sans-serif;
  color: var(--muted, #6b6560);
}
@media (max-width: 640px) {
  .site-chat-panel {
    right: 0;
    bottom: 0;
    width: 100vw;
    height: 100svh;
    height: 100dvh;
    border-radius: 0;
  }
  body.site-chat-open .site-chat-fab {
    display: none;
  }
}
@media (prefers-reduced-motion: reduce) {
  .site-chat-fab,
  .site-chat-panel,
  .site-chat-backdrop,
  .site-chat-pill,
  .site-chat-close,
  .site-chat-send {
    transition: none !important;
  }
  .site-chat-panel {
    transform: none;
  }
}