/* ============================================================
   Ask David — chatbot widget
   Matches "Warm Editorial": reuses --bg/--ink/--accent/--line tokens
   and the existing data-theme dark-mode switch. No external deps.
   ============================================================ */

#chatbot-root {
  --cb-radius: 16px;
  --cb-shadow: 0 12px 40px -8px color-mix(in srgb, var(--ink) 30%, transparent),
               0 2px 8px -2px color-mix(in srgb, var(--ink) 18%, transparent);
  --cb-ease: cubic-bezier(0.16, 1, 0.3, 1);
  font-family: var(--sans);
}

/* ---- launcher ---- */
.cb-launcher {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 80;
  display: flex;
  align-items: center;
  gap: 10px;
  border: none;
  cursor: pointer;
  padding: 0;
  background: transparent;
}

.cb-launcher-btn {
  width: 58px;
  height: 58px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--bg);
  display: grid;
  place-items: center;
  box-shadow: var(--cb-shadow);
  transition: transform .25s var(--cb-ease), background-color .2s ease;
  animation: cb-bob 4.5s ease-in-out 2s infinite;
}
.cb-launcher:hover .cb-launcher-btn { transform: scale(1.06); background: var(--accent-2); }
.cb-launcher:active .cb-launcher-btn { transform: scale(0.97); }
.cb-launcher-btn svg { width: 26px; height: 26px; display: block; }

/* little ping dot to draw the eye */
.cb-launcher-btn::after {
  content: "";
  position: absolute;
  top: 2px; right: 2px;
  width: 12px; height: 12px;
  border-radius: 999px;
  background: #4caf72;
  border: 2px solid var(--bg);
}
.cb-launcher-btn { position: relative; }

.cb-launcher-label {
  background: var(--bg);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 13.5px;
  font-weight: 500;
  white-space: nowrap;
  box-shadow: var(--cb-shadow);
  transition: opacity .3s ease, transform .3s var(--cb-ease);
}
@media (max-width: 600px) { .cb-launcher-label { display: none; } }

@keyframes cb-bob {
  0%, 92%, 100% { transform: translateY(0); }
  96% { transform: translateY(-5px); }
}

/* hide launcher when panel is open */
#chatbot-root.cb-open .cb-launcher { opacity: 0; pointer-events: none; transform: scale(0.8); transition: opacity .2s ease, transform .2s ease; }

/* ---- panel ---- */
.cb-panel {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 81;
  width: 384px;
  height: min(620px, calc(100vh - 48px));
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--cb-radius);
  box-shadow: var(--cb-shadow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  transform: translateY(16px) scale(0.96);
  transform-origin: bottom right;
  pointer-events: none;
  transition: opacity .28s var(--cb-ease), transform .28s var(--cb-ease);
}
#chatbot-root.cb-open .cb-panel {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

/* ---- header ---- */
.cb-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 16px 14px;
  border-bottom: 1px solid var(--line);
  background: var(--bg-soft);
}
.cb-avatar {
  width: 38px; height: 38px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--bg);
  display: grid; place-items: center;
  font-family: var(--serif-display);
  font-weight: 600;
  font-size: 17px;
  flex: none;
}
.cb-htext { display: flex; flex-direction: column; line-height: 1.25; min-width: 0; }
.cb-title {
  font-family: var(--serif-display);
  font-weight: 600;
  font-size: 16px;
  color: var(--ink);
}
.cb-status {
  font-size: 12px;
  color: var(--muted);
  display: flex; align-items: center; gap: 6px;
}
.cb-status::before {
  content: ""; width: 7px; height: 7px; border-radius: 999px;
  background: #4caf72;
}
.cb-header-actions { margin-left: auto; display: flex; gap: 4px; }
.cb-icon-btn {
  appearance: none; border: none; background: transparent;
  color: var(--muted); cursor: pointer;
  width: 32px; height: 32px; border-radius: 999px;
  display: grid; place-items: center;
  transition: background-color .2s ease, color .2s ease;
}
.cb-icon-btn:hover { color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, transparent); }
.cb-icon-btn svg { width: 18px; height: 18px; }

/* ---- message area ---- */
.cb-messages {
  flex: 1;
  overflow-y: auto;
  padding: 18px 16px 6px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  scroll-behavior: smooth;
}
.cb-messages::-webkit-scrollbar { width: 8px; }
.cb-messages::-webkit-scrollbar-thumb { background: var(--line); border-radius: 999px; }

.cb-msg {
  max-width: 86%;
  font-size: 14.5px;
  line-height: 1.55;
  padding: 10px 13px;
  border-radius: 14px;
  animation: cb-rise .3s var(--cb-ease) both;
  word-wrap: break-word;
  overflow-wrap: anywhere;
}
.cb-msg.bot {
  align-self: flex-start;
  background: var(--bg-soft);
  color: var(--ink);
  border-bottom-left-radius: 5px;
}
.cb-msg.user {
  align-self: flex-end;
  background: var(--accent);
  color: var(--bg);
  border-bottom-right-radius: 5px;
}
.cb-msg.user a { color: var(--bg); text-decoration: underline; }

.cb-msg p { margin: 0 0 8px; }
.cb-msg p:last-child { margin-bottom: 0; }
.cb-msg a { color: var(--accent-2); text-decoration: underline; text-underline-offset: 2px; }
.cb-msg .cb-action-btn, .cb-msg .cb-card { text-decoration: none; }
.cb-msg.bot a:not(.cb-action-btn):not(.cb-card):hover { color: var(--accent); }
.cb-msg ul { margin: 6px 0; padding-left: 1.1em; }
.cb-msg li { margin: 3px 0; }
.cb-msg li::marker { color: var(--accent); }
.cb-msg strong { font-weight: 600; }

@keyframes cb-rise { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

/* ---- embedded cards + action buttons ---- */
.cb-card {
  display: block;
  margin: 8px 0 2px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg);
  transition: border-color .2s ease, transform .2s ease;
}
.cb-card:hover { border-color: var(--accent); transform: translateY(-1px); }
.cb-card-title {
  font-family: var(--serif-display);
  font-weight: 600;
  font-size: 14.5px;
  color: var(--ink);
  display: flex; align-items: center; gap: 6px;
}
.cb-card-title::after { content: "→"; color: var(--accent); margin-left: auto; transition: transform .2s ease; }
.cb-card:hover .cb-card-title::after { transform: translateX(3px); }
.cb-card-desc { font-size: 12.5px; color: var(--muted); margin-top: 3px; line-height: 1.45; }

.cb-actions { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 9px; }
.cb-action-btn {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  padding: 7px 13px;
  border-radius: 999px;
  border: 1px solid var(--accent);
  color: var(--accent);
  background: transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background-color .2s ease, color .2s ease;
  display: inline-flex; align-items: center; gap: 6px;
}
.cb-action-btn:hover { background: var(--accent); color: var(--bg); }

/* ---- typing indicator ---- */
.cb-typing { display: inline-flex; gap: 4px; padding: 4px 2px; }
.cb-typing span {
  width: 7px; height: 7px; border-radius: 999px;
  background: var(--muted);
  animation: cb-blink 1.3s infinite ease-in-out both;
}
.cb-typing span:nth-child(2) { animation-delay: .18s; }
.cb-typing span:nth-child(3) { animation-delay: .36s; }
@keyframes cb-blink { 0%, 80%, 100% { opacity: .3; transform: translateY(0); } 40% { opacity: 1; transform: translateY(-3px); } }

/* ---- suggested-question chips ---- */
.cb-chips {
  display: flex; flex-wrap: wrap; gap: 8px;
  padding: 4px 16px 14px;
}
.cb-chip {
  font-family: var(--sans);
  font-size: 13px;
  padding: 8px 13px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--ink);
  cursor: pointer;
  transition: border-color .2s ease, color .2s ease, background-color .2s ease;
  animation: cb-rise .35s var(--cb-ease) both;
}
.cb-chip:hover { border-color: var(--accent); color: var(--accent); }

/* ---- composer ---- */
.cb-composer {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  padding: 12px 14px 14px;
  border-top: 1px solid var(--line);
  background: var(--bg);
}
.cb-input {
  flex: 1;
  resize: none;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--bg-soft);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 14.5px;
  line-height: 1.45;
  padding: 10px 13px;
  max-height: 110px;
  outline: none;
  transition: border-color .2s ease;
}
.cb-input:focus { border-color: var(--accent); }
.cb-input::placeholder { color: var(--muted); }
.cb-send {
  flex: none;
  width: 44px; height: 44px;
  border-radius: 999px;
  border: none;
  background: var(--accent);
  color: var(--bg);
  cursor: pointer;
  display: grid; place-items: center;
  transition: background-color .2s ease, transform .15s ease, opacity .2s ease;
}
.cb-send:hover { background: var(--accent-2); }
.cb-send:active { transform: scale(0.92); }
.cb-send:disabled { opacity: .4; cursor: default; }
.cb-send svg { width: 18px; height: 18px; }

.cb-footer-note {
  text-align: center;
  font-size: 11px;
  color: var(--muted);
  padding: 0 16px 10px;
}
.cb-footer-note a { color: var(--muted); text-decoration: underline; }

/* ---- mobile: full screen ---- */
@media (max-width: 600px) {
  .cb-panel {
    right: 0; bottom: 0; left: 0; top: 0;
    width: 100%; height: 100%;
    border-radius: 0;
    border: none;
  }
  /* respect the notch / status bar and the home-indicator safe areas */
  .cb-header { padding-top: calc(16px + env(safe-area-inset-top)); }
  .cb-composer { padding-bottom: calc(14px + env(safe-area-inset-bottom)); }
  /* 16px input font stops iOS Safari from auto-zooming on focus */
  .cb-input { font-size: 16px; }
  /* roomier touch targets on touch devices */
  .cb-send { width: 46px; height: 46px; }
  .cb-icon-btn { width: 40px; height: 40px; }
  .cb-chip { padding: 10px 15px; }
  .cb-action-btn { padding: 9px 15px; }
}

/* keep the launcher clear of the home indicator on notched phones */
@media (max-width: 600px) {
  .cb-launcher { bottom: calc(24px + env(safe-area-inset-bottom)); }
}

/* ---- reduced motion ---- */
@media (prefers-reduced-motion: reduce) {
  .cb-launcher-btn { animation: none; }
  .cb-panel, .cb-msg, .cb-chip, .cb-card, .cb-launcher-btn { transition: none; animation: none; }
  .cb-messages { scroll-behavior: auto; }
}