/* ============================================================
   CARBAR AI Chat — focused layout
   Design tokens track the same palette used by vehicle.css.
   ============================================================ */
:root {
  --chat-navy: #002b80;
  --chat-navy-600: #00225f;
  --chat-ink: #0f172a;
  --chat-ink-soft: #475569;
  --chat-ink-faint: #94a3b8;
  --chat-rule: #e2e8f0;
  --chat-surface: #ffffff;
  --chat-surface-soft: #f8fafc;
  --chat-surface-user: #eef2ff;
  --chat-ok: #059669;
  --chat-warn: #d97706;
  --chat-danger: #dc2626;
  --chat-shadow: 0 1px 2px rgba(15,23,42,.04), 0 8px 24px -12px rgba(15,23,42,.08);
  --chat-ease: cubic-bezier(.4,0,.2,1);
}

.chat-shell {
  max-width: 1440px;
  margin: 0 auto;
  padding: 24px;
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr) 320px;
  gap: 20px;
  align-items: start;
  min-height: calc(100vh - 11rem);
}

@media (max-width: 1180px) {
  .chat-shell { grid-template-columns: 260px minmax(0, 1fr); }
  .chat-side--right { display: none; }
}
@media (max-width: 860px) {
  .chat-shell { grid-template-columns: 1fr; padding: 16px; }
  .chat-side--left { order: 2; }
  .chat-main { order: 1; }
}

/* ─── sides ─────────────────────────────────────────────── */
.chat-side {
  position: sticky;
  top: 96px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.chat-card {
  background: var(--chat-surface);
  border: 1px solid var(--chat-rule);
  border-radius: 16px;
  padding: 16px;
  box-shadow: var(--chat-shadow);
}

.chat-card__title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--chat-navy);
  margin: 0 0 12px;
}
.chat-card__title--sm { font-size: 0.85rem; color: var(--chat-ink); }
.chat-card__title .material-symbols-outlined { font-size: 20px; color: var(--chat-navy); }

/* ─── quick prompts ─────────────────────────────────────── */
.chat-quick { display: flex; flex-direction: column; gap: 6px; }
.chat-quick__btn {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--chat-surface-soft);
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 10px 12px;
  font: inherit; font-size: 0.85rem; font-weight: 500;
  color: var(--chat-ink);
  text-align: right;
  cursor: pointer;
  transition: all 160ms var(--chat-ease);
}
.chat-quick__btn:hover {
  background: #fff;
  border-color: var(--chat-navy);
  color: var(--chat-navy);
  transform: translateX(-2px);
}
.chat-quick__btn:hover .chat-quick__arrow { opacity: 1; transform: translateX(-4px); }
.chat-quick__arrow {
  font-size: 18px !important;
  color: var(--chat-ink-faint);
  opacity: 0;
  transition: all 160ms var(--chat-ease);
}

/* ─── alerts ────────────────────────────────────────────── */
.chat-alerts { display: flex; flex-direction: column; gap: 8px; }
.chat-alert {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 0.78rem;
  border-right: 3px solid transparent;
}
.chat-alert strong { display: block; font-size: 0.82rem; margin-bottom: 2px; }
.chat-alert p { margin: 0; color: var(--chat-ink-soft); line-height: 1.4; }
.chat-alert__icon { font-size: 18px !important; margin-top: 1px; flex-shrink: 0; }

.chat-alert--ok     { background: #ecfdf5; border-color: var(--chat-ok); }
.chat-alert--ok strong, .chat-alert--ok .chat-alert__icon { color: var(--chat-ok); }
.chat-alert--warn   { background: #fffbeb; border-color: var(--chat-warn); }
.chat-alert--warn strong, .chat-alert--warn .chat-alert__icon { color: var(--chat-warn); }
.chat-alert--danger { background: #fef2f2; border-color: var(--chat-danger); }
.chat-alert--danger strong, .chat-alert--danger .chat-alert__icon { color: var(--chat-danger); }

/* ─── main conversation ─────────────────────────────────── */
.chat-main {
  background: var(--chat-surface);
  border: 1px solid var(--chat-rule);
  border-radius: 20px;
  box-shadow: var(--chat-shadow);
  display: flex; flex-direction: column;
  min-height: 68vh;
  max-height: calc(100vh - 10rem);
  overflow: hidden;
}

.chat-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--chat-rule);
  background: linear-gradient(to bottom, var(--chat-surface) 0%, var(--chat-surface-soft) 100%);
}
.chat-header__who { display: flex; align-items: center; gap: 12px; }
.chat-header__avatar {
  position: relative;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--chat-navy), var(--chat-navy-600));
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 1.1rem;
  box-shadow: 0 4px 12px -4px rgba(0,43,128,.4);
}
.chat-header__pulse {
  position: absolute; bottom: 0; right: 0;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--chat-ok);
  border: 2px solid #fff;
  box-shadow: 0 0 0 0 rgba(5,150,105,.6);
  animation: chat-pulse 2s infinite;
}
@keyframes chat-pulse {
  0% { box-shadow: 0 0 0 0 rgba(5,150,105,.6); }
  70% { box-shadow: 0 0 0 8px rgba(5,150,105,0); }
  100% { box-shadow: 0 0 0 0 rgba(5,150,105,0); }
}

.chat-header h1 { font-size: 1rem; font-weight: 800; color: var(--chat-navy); margin: 0; }
.chat-header p { font-size: 0.78rem; color: var(--chat-ink-soft); margin: 2px 0 0; }

.chat-header__status {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.75rem; font-weight: 600;
  color: var(--chat-ok);
}
.chat-header__dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--chat-ok);
}

/* ─── message stream ────────────────────────────────────── */
.chat-stream {
  flex: 1;
  overflow-y: auto;
  padding: 20px 24px;
  display: flex; flex-direction: column; gap: 12px;
  scroll-behavior: smooth;
}
.chat-stream::-webkit-scrollbar { width: 6px; }
.chat-stream::-webkit-scrollbar-thumb { background: var(--chat-rule); border-radius: 3px; }

.chat-row { display: flex; animation: chat-in 280ms var(--chat-ease); }
.chat-row--user { justify-content: flex-start; }     /* RTL — user on the right visually */
.chat-row--assistant { justify-content: flex-end; }

@keyframes chat-in {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.chat-bubble {
  max-width: min(640px, 78%);
  padding: 12px 16px;
  border-radius: 18px;
  font-size: 0.92rem;
  line-height: 1.55;
  word-wrap: break-word;
  white-space: normal;
}
.chat-bubble strong { font-weight: 700; }
.chat-bubble em { font-style: italic; }
.chat-bubble code {
  background: rgba(15,23,42,.06);
  padding: 2px 6px;
  border-radius: 6px;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.85em;
  direction: ltr; display: inline-block;
}
.chat-bubble ul { margin: 6px 0 6px 0; padding-inline-start: 20px; }
.chat-bubble li { margin: 2px 0; }
.chat-bubble a { color: var(--chat-navy); text-decoration: underline; }

.chat-bubble--user {
  background: var(--chat-navy);
  color: #fff;
  border-bottom-right-radius: 4px;
  box-shadow: 0 4px 12px -6px rgba(0,43,128,.5);
}
.chat-bubble--user a { color: #cfe1ff; }

.chat-bubble--assistant {
  background: var(--chat-surface-soft);
  color: var(--chat-ink);
  border: 1px solid var(--chat-rule);
  border-bottom-left-radius: 4px;
}

/* typing indicator */
.chat-typing {
  display: inline-flex; gap: 4px; align-items: center;
  padding: 14px 18px !important;
}
.chat-typing span {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--chat-navy);
  opacity: .4;
  animation: chat-bounce 1.2s infinite ease-in-out both;
}
.chat-typing span:nth-child(1) { animation-delay: -0.32s; }
.chat-typing span:nth-child(2) { animation-delay: -0.16s; }
@keyframes chat-bounce {
  0%, 80%, 100% { transform: scale(.6); opacity: .4; }
  40% { transform: scale(1); opacity: 1; }
}

/* empty / not found */
.chat-empty {
  margin: auto;
  text-align: center;
  padding: 40px 20px;
  color: var(--chat-ink-soft);
}
.chat-empty__icon {
  font-size: 64px !important;
  color: var(--chat-ink-faint);
  margin-bottom: 12px;
  display: block;
}
.chat-empty h3 { font-size: 1.1rem; color: var(--chat-ink); margin: 0 0 6px; font-weight: 700; }
.chat-empty p { margin: 0 0 16px; font-size: 0.9rem; }

/* ─── compose ───────────────────────────────────────────── */
.chat-compose {
  border-top: 1px solid var(--chat-rule);
  background: var(--chat-surface);
  padding: 12px 16px;
  display: flex; flex-direction: column; gap: 6px;
}
.chat-compose__input {
  width: 100%;
  border: 1px solid var(--chat-rule);
  border-radius: 14px;
  padding: 12px 16px;
  font: inherit; font-size: 0.95rem;
  resize: none;
  background: var(--chat-surface-soft);
  color: var(--chat-ink);
  outline: none;
  transition: border-color 160ms var(--chat-ease), background 160ms var(--chat-ease);
  line-height: 1.4;
  max-height: 180px;
  direction: rtl;
}
.chat-compose__input:focus {
  border-color: var(--chat-navy);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(0,43,128,.08);
}

.chat-compose__actions {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 2px;
}
.chat-compose__hint {
  font-size: 0.72rem;
  color: var(--chat-ink-faint);
}

.chat-compose__send,
.chat-compose__icon {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 160ms var(--chat-ease);
}
.chat-compose__send {
  background: var(--chat-navy);
  color: #fff;
  box-shadow: 0 4px 12px -4px rgba(0,43,128,.4);
}
.chat-compose__send:hover:not(:disabled) {
  background: var(--chat-navy-600);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px -4px rgba(0,43,128,.5);
}
.chat-compose__send:disabled { opacity: .4; cursor: not-allowed; }
.chat-compose__send .material-symbols-outlined { transform: rotate(180deg); font-size: 20px; }

.chat-compose__icon {
  background: #fef2f2;
  color: var(--chat-danger);
}
.chat-compose__icon:hover { background: #fecaca; }
.chat-compose__icon .material-symbols-outlined { font-size: 22px; }

/* ─── vehicle right panel ───────────────────────────────── */
.chat-vehicle__photo {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
  aspect-ratio: 16 / 10;
  margin-bottom: 12px;
}
.chat-vehicle__photo img {
  width: 100%; height: 100%;
  object-fit: contain;
}
.chat-vehicle__photo-fallback {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  color: var(--chat-ink-faint);
}
.chat-vehicle__photo-fallback .material-symbols-outlined { font-size: 64px !important; }

.chat-vehicle__logo {
  position: absolute; top: 8px; left: 8px;
  width: 44px !important; height: 44px !important;
  background: #fff; border-radius: 50%;
  padding: 4px;
  box-shadow: var(--chat-shadow);
  object-fit: contain !important;
}

.chat-vehicle__title { font-size: 1.05rem; font-weight: 800; color: var(--chat-ink); margin: 0 0 4px; }
.chat-vehicle__subtitle { font-size: 0.82rem; color: var(--chat-ink-soft); margin: 0 0 12px; }
.chat-vehicle__foot {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 12px;
  border-top: 1px solid var(--chat-rule);
}
.chat-vehicle__price {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--chat-navy);
}

/* specs list */
.chat-spec__label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--chat-ink-soft);
  margin: 0 0 10px;
}
.chat-spec {
  display: flex; justify-content: space-between; align-items: center;
  background: var(--chat-surface-soft);
  border: 1px solid transparent;
  padding: 9px 12px;
  border-radius: 10px;
  font-size: 0.85rem;
  margin-bottom: 4px;
}
.chat-spec span { color: var(--chat-ink-soft); }
.chat-spec b { font-family: 'Plus Jakarta Sans', sans-serif; color: var(--chat-ink); font-weight: 700; }
.chat-spec--ok { color: var(--chat-ok) !important; }
.chat-spec--bad { color: var(--chat-danger) !important; }

/* buttons */
.chat-btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 12px 16px;
  border-radius: 999px;
  font-weight: 700; font-size: 0.9rem;
  text-decoration: none;
  transition: all 160ms var(--chat-ease);
  border: 1px solid transparent;
  cursor: pointer;
}
.chat-btn--primary {
  background: var(--chat-navy);
  color: #fff;
  box-shadow: 0 4px 12px -4px rgba(0,43,128,.4);
}
.chat-btn--primary:hover { background: var(--chat-navy-600); transform: translateY(-1px); }

.chat-btn--secondary {
  background: var(--chat-surface);
  color: var(--chat-navy);
  border-color: var(--chat-rule);
}
.chat-btn--secondary:hover { border-color: var(--chat-navy); background: var(--chat-surface-soft); }

.chat-btn--mechanic {
  background: linear-gradient(135deg, #f97316, #ea580c);
  color: #fff;
  box-shadow: 0 4px 14px -4px rgba(249,115,22,.4);
}
.chat-btn--mechanic:hover { filter: brightness(1.05); transform: translateY(-1px); }

@media print {
  .chat-side, .chat-compose, .chat-header__meta { display: none !important; }
  .chat-main { border: none; box-shadow: none; max-height: none; }
}