/* ── Chat bubble ───────────────────────────────────────────── */

.chat-bubble {
  width: min(100%, 1040px);
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 14px 52px;
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
}

.chat-bubble.is-hidden {
  display: none;
}

.chat-bubble.shine {
  animation: bubblePulse 400ms ease-out;
}

@keyframes bubblePulse {
  0%   { border-color: var(--line); }
  45%  { border-color: rgba(79, 168, 232, 0.50); }
  100% { border-color: var(--line); }
}

/* ── Chat content ──────────────────────────────────────────── */

.chat-content {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 180px;
}

.chat-query {
  min-height: 0;
  font-size: 11px;
  color: var(--text-2);
  font-family: "Kutup Mono", "IBM Plex Mono", monospace;
  letter-spacing: 0.04em;
}

.chat-query:empty {
  display: none;
}

.chat-response {
  color: var(--text-0);
  font-size: clamp(14px, 1.2vw, 16px);
  line-height: 1.65;
}

.chat-response code {
  display: block;
  padding: 10px;
  border-radius: var(--r-sm);
  border: 1px solid var(--line);
  background: var(--bg-0);
  font-family: "Kutup Mono", "IBM Plex Mono", monospace;
  font-size: 13px;
}

/* ── Results grid ──────────────────────────────────────────── */

.chat-results {
  display: grid;
  gap: 8px;
}

/* ── Result cards ──────────────────────────────────────────── */

.chat-card {
  display: grid;
  grid-template-columns: 30px 1fr auto;
  gap: 10px;
  padding: 11px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: var(--panel-soft);
  transition: border-color 120ms ease;
  align-items: start;
}

.chat-card:hover {
  border-color: var(--line-strong);
}

.chat-card.training-signal {
  animation: trainingSignal 600ms ease-out;
}

@keyframes trainingSignal {
  0%   { border-color: var(--line); }
  40%  { border-color: rgba(79, 168, 232, 0.55); }
  100% { border-color: var(--line); }
}

.chat-card-index {
  width: 30px;
  height: 30px;
  border-radius: 6px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  color: var(--text-2);
  font-size: 10px;
  letter-spacing: 0.08em;
}

.chat-card-body {
  color: var(--text-1);
  line-height: 1.58;
  font-size: 14px;
}

.chat-card-actions {
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: center;
}

/* ── Chat meta ─────────────────────────────────────────────── */

.chat-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  color: var(--text-2);
  font-size: 11px;
}

#confidence-indicator.confidence-high { color: var(--good); }
#confidence-indicator.confidence-mid  { color: var(--warn); }
#confidence-indicator.confidence-low  { color: var(--bad); }

/* ── Loading state ─────────────────────────────────────────── */

.chat-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  min-height: 120px;
}

.loading-bar {
  width: 120px;
  height: 2px;
  border-radius: 2px;
  background: var(--line);
  overflow: hidden;
}

.loading-bar-fill {
  height: 100%;
  width: 40%;
  background: var(--accent);
  border-radius: 2px;
  animation: loadingSlide 1.4s ease-in-out infinite;
}

@keyframes loadingSlide {
  0%   { transform: translateX(-100%); opacity: 0.6; }
  50%  { transform: translateX(150%);  opacity: 1; }
  100% { transform: translateX(250%);  opacity: 0.6; }
}

.loading-text {
  font-family: "Kutup Mono", "IBM Plex Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-2);
}

/* ── Card action buttons ──────────────────────────────────── */

.card-action-btn {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: var(--panel);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: all 120ms ease;
  font-size: 14px;
  line-height: 1;
}

.card-action-btn:hover {
  border-color: var(--line-strong);
  background: var(--bg-0);
}

.card-explain-btn:hover {
  border-color: rgba(79, 168, 232, 0.6);
  color: var(--accent);
}

.card-heart-btn:hover {
  border-color: rgba(46, 204, 113, 0.6);
}

.card-thumbsdown-btn:hover {
  border-color: rgba(231, 76, 60, 0.6);
}

.card-action-btn.is-explaining {
  animation: explainPulse 1s ease-in-out infinite;
}

@keyframes explainPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ── Explanation modal ────────────────────────────────────── */

.explain-modal {
  grid-column: 1 / -1;
  margin-top: 8px;
  animation: slideDown 200ms ease-out;
}

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

.explain-modal-content {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--bg-0);
  overflow: hidden;
}

.explain-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}

.explain-modal-title {
  font-size: 12px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.02em;
}

.explain-modal-close {
  width: 20px;
  height: 20px;
  border-radius: 4px;
  border: none;
  background: transparent;
  cursor: pointer;
  display: grid;
  place-items: center;
  font-size: 18px;
  line-height: 1;
  color: var(--text-2);
  transition: all 120ms ease;
}

.explain-modal-close:hover {
  background: var(--panel-soft);
  color: var(--text-0);
}

.explain-modal-body {
  padding: 12px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-1);
}

.explain-modal-body ul {
  margin: 0;
  padding-left: 18px;
}

.explain-modal-body li {
  margin: 6px 0;
}

.explain-modal-body li:first-child {
  margin-top: 0;
}

.explain-modal-body li:last-child {
  margin-bottom: 0;
}

/* ── Mobile ────────────────────────────────────────────────── */

@media (max-width: 720px) {
  .chat-bubble {
    padding: 12px 40px;
  }

  .chat-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .chat-card-body {
    font-size: 13px;
  }

  .explain-modal-body {
    font-size: 12px;
  }
}