.calypso-chat {
  --chat-accent: #7aafff;
  --chat-button: #235db2;
  --chat-top: 46px;
  --chat-background: #111923;
  --chat-surface: #1c2735;
  --chat-border: #354153;
  --chat-text: #e8edf5;
  --chat-muted: #94a5ba;
  --chat-input: #0b121b;
  --chat-user: #172e48;
  --chat-user-border: #304c6f;
  --chat-primary-text: #fff;
  --chat-radius: 9px;
  position: fixed;
  inset: 0;
  z-index: 10000;
  pointer-events: none;
  color: var(--chat-text);
  font: 13px/1.5 Inter, Arial, sans-serif;
  text-align: left;
}
.calypso-chat[data-theme="terminal"] {
  --chat-accent: #ff9900; --chat-button: #ff9900; --chat-top: 34px;
  --chat-background: #050505; --chat-surface: #101010; --chat-border: #2a2a2a;
  --chat-text: #e6e6e6; --chat-muted: #8a8a8a; --chat-input: #000;
  --chat-user: #181208; --chat-user-border: #503810; --chat-primary-text: #000;
  --chat-radius: 2px;
  font-family: Consolas, Monaco, Menlo, 'Courier New', monospace;
  font-size: 12px;
}
.calypso-chat *, .calypso-chat *::before, .calypso-chat *::after { box-sizing: border-box; }
.calypso-chat button, .calypso-chat textarea { font: inherit; }
.calypso-chat button { cursor: pointer; }
.calypso-chat button:focus-visible, .calypso-chat textarea:focus-visible { outline: 2px solid var(--chat-accent); outline-offset: 3px; }
.calypso-chat__launcher {
  position: absolute;
  top: 7px;
  right: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  height: 32px;
  min-width: 98px;
  padding: 0 12px;
  border: 1px solid #4a6486;
  border-radius: 5px;
  background: #17263b;
  color: var(--chat-accent);
  font-size: 12px;
  font-weight: 600;
  pointer-events: auto;
}
.calypso-chat[data-theme="terminal"] .calypso-chat__launcher { top: 3px; height: 28px; border-color: #735322; background: #22190d; }
.calypso-chat__launcher:hover, .calypso-chat__launcher[aria-expanded="true"] { background: var(--chat-button); color: var(--chat-primary-text); }
.calypso-chat__spark { font-size: 21px; line-height: 1; }
.calypso-chat__panel {
  position: absolute;
  inset: var(--chat-top) 0 0 auto;
  width: min(420px, 100%);
  display: flex;
  flex-direction: column;
  min-height: 0;
  border-left: 1px solid var(--chat-border);
  background: var(--chat-background);
  box-shadow: -12px 0 36px #0005;
  pointer-events: auto;
}
.calypso-chat [hidden] { display: none !important; }
.calypso-chat__heading { display: flex; align-items: center; gap: 10px; min-height: 54px; padding: 10px 16px; border-bottom: 1px solid var(--chat-border); }
.calypso-chat__title { margin: 0; color: var(--chat-accent); font-size: 16px; font-weight: 650; }
.calypso-chat__close { margin-left: auto; padding: 0; width: 32px; height: 32px; border: 0; border-radius: 4px; background: transparent; color: var(--chat-muted); font-size: 26px !important; }
.calypso-chat__close:hover { background: var(--chat-surface); color: var(--chat-text); }
.calypso-chat__toolbar { display: flex; flex-shrink: 0; justify-content: space-between; gap: 8px; padding: 10px 16px; border-bottom: 1px solid var(--chat-border); }
.calypso-chat__toolbar button { padding: 5px 9px; border: 1px solid var(--chat-border); border-radius: 3px; background: var(--chat-surface); color: var(--chat-text); font-size: 11px; }
.calypso-chat__toolbar .calypso-chat__new { color: var(--chat-accent); }
.calypso-chat__toolbar button:hover, .calypso-chat__history-toggle[aria-expanded="true"] { border-color: var(--chat-accent); }
.calypso-chat__history { max-height: 210px; flex-shrink: 0; overflow: auto; border-bottom: 1px solid var(--chat-border); background: var(--chat-input); }
.calypso-chat__history-actions { padding: 8px 16px; border-bottom: 1px solid var(--chat-border); text-align: right; }
.calypso-chat__clear, .calypso-chat__delete { border: 0; background: transparent; color: var(--chat-muted); font-size: 10px; }
.calypso-chat__clear:hover, .calypso-chat__delete:hover { color: var(--chat-text); }
.calypso-chat__history-row { display: flex; align-items: stretch; }
.calypso-chat__history-row .calypso-chat__conversation { flex: 1; min-width: 0; }
.calypso-chat__delete { flex-shrink: 0; padding: 0 12px; border-bottom: 1px solid var(--chat-border); }
.calypso-chat__conversation { display: flex; flex-direction: column; gap: 4px; width: 100%; padding: 10px 16px; border: 0; border-bottom: 1px solid var(--chat-border); border-left: 2px solid transparent; background: transparent; color: var(--chat-text); text-align: left; }
.calypso-chat__conversation:hover { background: var(--chat-surface); }
.calypso-chat__conversation[aria-current="true"] { border-left-color: var(--chat-accent); background: var(--chat-surface); }
.calypso-chat__conversation-name { max-width: 100%; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; font-size: 12px; }
.calypso-chat__conversation-date { color: var(--chat-muted); font-size: 10px; }
.calypso-chat__conversation-title { flex-shrink: 0; padding: 7px 16px; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; color: var(--chat-muted); font-size: 11px; border-bottom: 1px solid var(--chat-border); }
.calypso-chat__messages { flex: 1; min-height: 0; overflow: auto; overscroll-behavior: contain; padding: 18px; }
.calypso-chat__empty { display: flex; min-height: 100%; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 24px 12px; color: var(--chat-muted); }
.calypso-chat__empty-spark { font-size: 45px; color: var(--chat-accent); }
.calypso-chat__empty h3 { margin: 12px 0 8px; color: var(--chat-text); font-size: 19px; }
.calypso-chat__empty p { max-width: 290px; margin: 0; line-height: 1.7; }
.calypso-chat__message { margin: 0 0 16px; padding: 12px 14px; background: var(--chat-surface); border: 1px solid var(--chat-border); border-radius: var(--chat-radius); overflow-wrap: anywhere; }
.calypso-chat__message--user { margin-left: 28px; background: var(--chat-user); border-color: var(--chat-user-border); }
.calypso-chat__author { display: inline; color: var(--chat-accent); font-size: 11px; font-weight: 650; }
.calypso-chat__text { margin-top: 7px; line-height: 1.65; }
.calypso-chat__message--user .calypso-chat__text { white-space: pre-wrap; }
.calypso-chat__text p { margin: 0 0 10px; white-space: pre-wrap; }
.calypso-chat__text h3, .calypso-chat__text h4 { margin: 15px 0 8px; color: var(--chat-accent); line-height: 1.4; font-size: 14px; }
.calypso-chat__text h4 { font-size: 13px; }
.calypso-chat__text > :first-child { margin-top: 0; }
.calypso-chat__text > :last-child { margin-bottom: 0; }
.calypso-chat__text ul, .calypso-chat__text ol { padding-left: 20px; margin: 8px 0 12px; }
.calypso-chat__text li { margin: 5px 0; }
.calypso-chat__text strong { font-weight: 700; }
.calypso-chat__text a { color: var(--chat-accent); text-decoration: underline; text-underline-offset: 2px; }
.calypso-chat__text blockquote { margin: 12px 0; padding: 4px 0 4px 12px; color: var(--chat-muted); border-left: 2px solid var(--chat-accent); }
.calypso-chat__text hr { margin: 14px 0; border: 0; border-top: 1px solid var(--chat-border); }
.calypso-chat__text code { font-family: Consolas, Monaco, monospace; font-size: .95em; color: var(--chat-accent); }
.calypso-chat__text pre { max-width: 100%; padding: 10px; margin: 10px 0; overflow: auto; background: var(--chat-input); border: 1px solid var(--chat-border); border-radius: 3px; }
.calypso-chat__table-wrap { max-width: 100%; margin: 12px 0; overflow-x: auto; border: 1px solid var(--chat-border); border-radius: 3px; }
.calypso-chat__text table { width: 100%; border-collapse: collapse; font-size: 11px; font-variant-numeric: tabular-nums; }
.calypso-chat__text th, .calypso-chat__text td { padding: 8px 9px; border-right: 1px solid var(--chat-border); border-bottom: 1px solid var(--chat-border); text-align: left; vertical-align: top; min-width: 76px; }
.calypso-chat__text th { color: var(--chat-accent); background: var(--chat-input); font-weight: 600; }
.calypso-chat__text tr:last-child td { border-bottom: 0; }
.calypso-chat__text th:last-child, .calypso-chat__text td:last-child { border-right: 0; }
.calypso-chat__badge { display: inline-block; margin-left: 8px; padding: 1px 5px; color: #f4c680; border: 1px solid #6a5635; border-radius: 3px; font-size: 10px; }
.calypso-chat__waiting { margin: 0; padding: 0 18px 12px; color: var(--chat-accent); font-size: 12px; }
.calypso-chat__error { margin: 0 14px 12px; padding: 10px; border: 1px solid #784349; border-radius: 5px; background: #351f29; color: #f1bfc3; font-size: 12px; }
.calypso-chat__persistence { margin: 0; padding: 8px 16px; color: var(--chat-accent); font-size: 11px; }
.calypso-chat__compose { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px; flex-shrink: 0; margin: 0; padding: 14px 16px max(14px, env(safe-area-inset-bottom)); border-top: 1px solid var(--chat-border); }
.calypso-chat__input { grid-column: 1 / -1; width: 100%; min-height: 78px; max-height: 180px; resize: vertical; padding: 10px; border: 1px solid var(--chat-border); border-radius: 3px; background: var(--chat-input); color: var(--chat-text); line-height: 1.5; }
.calypso-chat__input::placeholder { color: var(--chat-muted); }
.calypso-chat__hint { align-self: center; color: var(--chat-muted); font-size: 10px; }
.calypso-chat__send { padding: 7px 10px; border: 1px solid var(--chat-border); border-radius: 3px; background: var(--chat-button); color: var(--chat-primary-text); font-size: 12px !important; }
.calypso-chat__send:disabled { opacity: .45; cursor: default; }

/* Reserve only the launcher footprint in the existing headers. */
.app-shell > .topbar { padding-right: 170px; }
.app > .topbar { padding-right: 170px; }
@media (max-width: 850px) {
  .app-shell > .topbar .search-wrap { right: 166px; width: min(300px, calc(100vw - 292px)); }
}
@media (max-width: 560px) {
  .calypso-chat__launcher { right: 8px; min-width: 34px; width: 34px; padding: 0; }
  .calypso-chat__button-text { display: none; }
  .app-shell > .topbar { padding-right: 54px; }
  .app > .topbar { padding-right: 52px; }
  .app-shell > .topbar .search-wrap { right: 56px; width: calc(100vw - 190px); }
  .calypso-chat__hint { max-width: 180px; }
}