.chat-launcher {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 8px;
  border: 1px solid rgb(116 211 232 / 52%);
  border-radius: var(--min-radius-pill);
  background: rgb(13 24 35 / 96%);
  color: var(--min-content-primary);
  padding: 8px 12px;
  cursor: pointer;
  white-space: nowrap;
}

.chat-launcher-pulse {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--min-action-primary);
  box-shadow: 0 0 0 5px rgb(116 211 232 / 10%), 0 0 18px rgb(116 211 232 / 48%);
}

.chat-launcher.has-invitation {
  border-color: rgb(116 211 232 / 72%);
}

.chat-launcher[data-state="working"] .chat-launcher-pulse,
.chat-launcher[data-state="replied"] .chat-launcher-pulse {
  animation: chat-launcher-breathe 1.8s ease-in-out infinite;
}

.chat-launcher[data-state="replied"] {
  border-color: rgb(116 211 232 / 82%);
  background: rgb(23 48 64 / 96%);
}

.chat-panel[hidden] { display: none; }

.chat-panel {
  position: fixed;
  z-index: 70;
  inset: auto max(18px, env(safe-area-inset-right)) max(18px, env(safe-area-inset-bottom)) auto;
  display: grid;
  width: min(430px, calc(100vw - 36px));
  height: min(720px, calc(100vh - 104px));
  grid-template-rows: auto auto auto minmax(0, 1fr) auto;
  overflow: hidden;
  border: 1px solid rgb(116 211 232 / 30%);
  border-radius: 22px;
  background: rgb(8 17 28 / 98%);
  box-shadow: 0 30px 90px rgb(0 0 0 / 52%);
  color: var(--min-content-primary);
}

.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--min-space-4);
  border-bottom: 1px solid var(--min-border-default);
  padding: var(--min-space-4) var(--min-space-5);
}

.chat-header h2 { font-size: 19px; }
.chat-eyebrow { margin: 0 0 3px; color: var(--min-action-primary); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; }
.chat-icon-button { width: 42px; height: 42px; flex: 0 0 42px; border: 1px solid var(--min-border-default); border-radius: 50%; background: var(--min-surface-panel); color: var(--min-content-primary); font-size: 26px; cursor: pointer; }
.chat-status { height: 0; min-height: 0; margin: 0; overflow: hidden; border: 0; color: var(--min-content-secondary); padding: 0 var(--min-space-5); font-size: var(--min-font-size-caption); }
.chat-panel[data-chat-state="loading"] .chat-status,
.chat-panel[data-chat-state="error"] .chat-status,
.chat-panel[data-chat-state="offline"] .chat-status,
.chat-panel[data-chat-state="limit"] .chat-status {
  height: auto;
  min-height: 34px;
  overflow: visible;
  border-bottom: 1px solid var(--min-border-default);
  padding-block: 8px;
}
.chat-panel[data-chat-state="error"] .chat-status,
.chat-panel[data-chat-state="offline"] .chat-status,
.chat-panel[data-chat-state="limit"] .chat-status { color: var(--min-state-attention); }

.chat-context[hidden] { display: none; }
.chat-context {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 2px 12px;
  align-items: center;
  border-bottom: 1px solid var(--min-border-default);
  background: rgb(13 24 35 / 72%);
  padding: 10px var(--min-space-5);
}
.chat-context > span { color: var(--min-content-secondary); font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; }
.chat-context > strong { min-width: 0; overflow: hidden; color: var(--min-content-primary); font-size: 13px; font-weight: var(--min-font-weight-medium); text-overflow: ellipsis; white-space: nowrap; }
.chat-context-question { grid-row: 1 / 3; grid-column: 2; min-height: 40px; border: 1px solid rgb(116 211 232 / 34%); border-radius: 11px; background: transparent; color: var(--min-action-primary); padding: 7px 10px; font: inherit; font-size: 11px; cursor: pointer; }
.chat-context-question:hover { border-color: var(--min-action-primary); background: rgb(33 69 88 / 36%); }

.chat-body { min-height: 0; overflow: hidden; }
.chat-messages { position: relative; display: grid; height: 100%; align-content: start; gap: 14px; overflow-y: auto; overflow-anchor: none; padding: var(--min-space-5); }
.chat-message { display: grid; max-width: 91%; gap: 5px; border: 1px solid var(--min-border-default); border-radius: 16px; background: var(--min-surface-panel); padding: 12px 14px; }
.chat-message.user { justify-self: end; border-color: rgb(116 211 232 / 36%); background: rgb(33 69 88 / 54%); }
.chat-message.assistant { justify-self: start; }
.chat-message[data-pending="true"] { opacity: 0.7; }
.chat-message-role { color: var(--min-action-primary); font-size: 10px; font-weight: var(--min-font-weight-semibold); letter-spacing: 0.12em; text-transform: uppercase; }
.chat-message p { margin: 0; color: var(--min-content-primary); line-height: 1.55; white-space: pre-wrap; }
.chat-thinking { display: grid; max-width: 91%; gap: 8px; justify-self: start; border: 1px solid rgb(116 211 232 / 28%); border-radius: 16px; background: linear-gradient(135deg, rgb(17 29 41 / 96%), rgb(23 48 64 / 72%)); padding: 13px 14px; }
.chat-thinking-role { color: var(--min-action-primary); font-size: 10px; font-weight: var(--min-font-weight-semibold); letter-spacing: 0.1em; text-transform: uppercase; }
.chat-thinking-map { display: grid; width: 94px; height: 18px; align-items: center; grid-template-columns: 12px 1fr 12px 1fr 12px; }
.chat-thinking-map i { width: 12px; height: 12px; border: 1px solid var(--min-action-primary); border-radius: 50%; background: rgb(116 211 232 / 12%); animation: chat-node-think 1.8s ease-in-out infinite; }
.chat-thinking-map i:nth-of-type(2) { animation-delay: 300ms; }
.chat-thinking-map i:nth-of-type(3) { animation-delay: 600ms; }
.chat-thinking-map b { height: 1px; background: linear-gradient(90deg, rgb(116 211 232 / 20%), rgb(116 211 232 / 72%), rgb(116 211 232 / 20%)); background-size: 200% 100%; animation: chat-link-flow 1.8s linear infinite; }
.chat-thinking p { margin: 0; color: var(--min-content-primary); line-height: 1.5; }
.chat-thinking small { color: var(--min-content-secondary); line-height: 1.45; }
.chat-message-action {
  width: fit-content;
  min-height: 42px;
  margin-top: 7px;
  border: 1px solid rgb(116 211 232 / 42%);
  border-radius: 12px;
  background: rgb(23 48 64 / 64%);
  color: var(--min-action-primary);
  padding: 9px 12px;
  font: inherit;
  font-size: 13px;
  font-weight: var(--min-font-weight-semibold);
  text-align: left;
  cursor: pointer;
}
.chat-message-action:hover { border-color: var(--min-action-primary); background: rgb(33 69 88 / 72%); }
.chat-message-action:focus-visible { outline: 2px solid var(--min-action-primary); outline-offset: 2px; }
.chat-gate { display: grid; height: 100%; align-content: center; gap: var(--min-space-4); overflow-y: auto; padding: var(--min-space-6) var(--min-space-5); }
.chat-gate h3, .chat-gate p { margin: 0; }
.chat-gate p { color: var(--min-content-secondary); line-height: var(--min-line-height-reading); }
.chat-gate-mark { display: grid; width: 50px; height: 50px; place-items: center; border: 1px solid var(--min-action-primary); border-radius: 50%; color: var(--min-action-primary); font-family: var(--min-font-mono); font-size: 12px; letter-spacing: 0.1em; }
.chat-consent { display: grid; grid-template-columns: 22px minmax(0, 1fr); gap: 10px; align-items: start; color: var(--min-content-primary); }
.chat-consent input { width: 18px; height: 18px; margin: 3px 0 0; accent-color: var(--min-action-primary); }
.chat-privacy-link { color: var(--min-action-primary); }
.chat-consent-button { width: 100%; }

.chat-composer { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px; border-top: 1px solid var(--min-border-default); padding: 12px; }
.chat-composer textarea { width: 100%; min-height: 48px; max-height: 132px; resize: vertical; border: 1px solid var(--min-border-default); border-radius: 13px; background: var(--min-surface-panel); color: var(--min-content-primary); padding: 11px 12px; line-height: 1.4; }
.chat-composer textarea::placeholder { color: var(--min-content-secondary); }
.chat-send { min-width: 74px; border: 1px solid var(--min-action-primary); border-radius: 13px; background: var(--min-action-primary); color: var(--min-surface-canvas); padding: 0 14px; font-weight: var(--min-font-weight-semibold); cursor: pointer; }
.chat-send:disabled, .chat-composer textarea:disabled { cursor: wait; opacity: 0.58; }
.chat-reset { grid-column: 1 / -1; justify-self: start; min-height: 32px; border: 0; background: transparent; color: var(--min-content-secondary); padding: 4px; font-size: 11px; text-decoration: underline; text-decoration-color: transparent; text-underline-offset: 3px; cursor: pointer; }
.chat-reset:hover { color: var(--min-content-primary); text-decoration-color: currentColor; }
.chat-panel[data-chat-state="replied"] .chat-composer { opacity: 0.76; transition: opacity 160ms ease; }
.chat-panel[data-chat-state="replied"] .chat-composer:focus-within { opacity: 1; }
.privacy-document { width: min(100% - 32px, 760px); margin: 0 auto; padding: var(--min-space-8) 0 var(--min-space-12); }
.privacy-document > .content-panel { margin-top: var(--min-space-4); }
.privacy-document .content-panel p { color: var(--min-content-secondary); line-height: var(--min-line-height-reading); }

@keyframes chat-node-think {
  0%, 100% { opacity: 0.42; transform: scale(0.82); }
  50% { opacity: 1; transform: scale(1); box-shadow: 0 0 14px rgb(116 211 232 / 34%); }
}

@keyframes chat-link-flow { to { background-position: -200% 0; } }
@keyframes chat-launcher-breathe { 0%, 100% { opacity: 0.55; } 50% { opacity: 1; } }

@media (max-width: 600px) {
  body.chat-open { overflow: hidden; }
  .chat-panel {
    inset: max(8px, env(safe-area-inset-top)) max(8px, env(safe-area-inset-right)) max(8px, env(safe-area-inset-bottom)) max(8px, env(safe-area-inset-left));
    width: auto;
    height: auto;
    border-radius: 18px;
  }
  .chat-header { padding-inline: var(--min-space-4); }
  .chat-status { padding-inline: var(--min-space-4); }
  .chat-context { padding-inline: var(--min-space-4); }
  .chat-messages { padding: var(--min-space-4); }
}

@media (max-width: 360px) {
  .chat-launcher { padding-inline: 10px; }
  .chat-launcher-label { max-width: 92px; overflow: hidden; text-overflow: ellipsis; }
}

@media (prefers-reduced-motion: reduce) {
  .chat-launcher-pulse { box-shadow: none; }
  .chat-messages { scroll-behavior: auto; }
  .chat-thinking-map i, .chat-thinking-map b, .chat-launcher-pulse { animation: none; }
  .chat-thinking-map i { opacity: 0.82; transform: none; }
}