/* ── BGeometrics AI Chat Widget ─────────────────────────────────────────────── */

/* Light theme (default) */
#bgcw-btn,
#bgcw-panel {
  --bgcw-accent:     #f7931a;
  --bgcw-accent-h:   #e0820f;
  --bgcw-panel-bg:   #ffffff;
  --bgcw-border:     #e2e8f0;
  --bgcw-text:       #1a202c;
  --bgcw-text-dim:   #718096;
  --bgcw-user-bg:    #fff3e0;
  --bgcw-ai-bg:      #f7fafc;
  --bgcw-input-bg:   #ffffff;
  --bgcw-shadow:     0 8px 32px rgba(0, 0, 0, 0.14);
  --bgcw-radius:     16px;
}

/* Dark theme — activated by JS adding .bgcw--dark to #bgcw-panel
   and by html.dark (Astro site) */
#bgcw-panel.bgcw--dark,
html.dark #bgcw-panel {
  --bgcw-panel-bg:  #1a2035;
  --bgcw-border:    #2d3748;
  --bgcw-text:      #e2e8f0;
  --bgcw-text-dim:  #a0aec0;
  --bgcw-user-bg:   rgba(247, 147, 26, 0.12);
  --bgcw-ai-bg:     #1e2a3a;
  --bgcw-input-bg:  #0f172a;
  --bgcw-shadow:    0 8px 32px rgba(0, 0, 0, 0.45);
}

/* ── Floating button ─────────────────────────────────────────────────────────── */

#bgcw-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: var(--bgcw-accent);
  color: #fff;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 18px rgba(247, 147, 26, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9998;
  transition: background 0.2s, transform 0.25s, box-shadow 0.2s;
}
#bgcw-btn:hover {
  background: var(--bgcw-accent-h);
  box-shadow: 0 6px 24px rgba(247, 147, 26, 0.55);
}
#bgcw-btn.bgcw-btn--open {
  transform: rotate(90deg) scale(0.9);
}
#bgcw-btn svg { pointer-events: none; }

/* ── Panel ───────────────────────────────────────────────────────────────────── */

#bgcw-panel {
  position: fixed;
  bottom: 88px;
  right: 24px;
  width: 360px;
  height: 520px;
  background: var(--bgcw-panel-bg);
  border: 1px solid var(--bgcw-border);
  border-radius: var(--bgcw-radius);
  box-shadow: var(--bgcw-shadow);
  display: flex;
  flex-direction: column;
  z-index: 9997;
  font-family: Inter, system-ui, -apple-system, sans-serif;
  font-size: 14px;
  color: var(--bgcw-text);
  overflow: hidden;
  /* Hidden state */
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px) scale(0.97);
  transition: opacity 0.22s ease, transform 0.22s ease;
}
#bgcw-panel.bgcw-panel--open {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0) scale(1);
}

@media (max-width: 480px) {
  #bgcw-panel {
    width: calc(100vw - 24px);
    right: 12px;
    bottom: 82px;
    height: 480px;
  }
  #bgcw-btn {
    bottom: 16px;
    right: 16px;
  }
}

/* ── Header ──────────────────────────────────────────────────────────────────── */

.bgcw-header {
  padding: 12px 16px;
  background: var(--bgcw-accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
  border-radius: var(--bgcw-radius) var(--bgcw-radius) 0 0;
}
.bgcw-title {
  font-weight: 700;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.bgcw-beta {
  font-size: 9px;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.28);
  padding: 1px 5px;
  border-radius: 4px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.bgcw-close {
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.85);
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
  padding: 2px 4px;
  border-radius: 4px;
  transition: color 0.15s, background 0.15s;
}
.bgcw-close:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.15);
}

/* ── Messages area ───────────────────────────────────────────────────────────── */

#bgcw-messages {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  scroll-behavior: smooth;
}
#bgcw-messages::-webkit-scrollbar { width: 4px; }
#bgcw-messages::-webkit-scrollbar-track { background: transparent; }
#bgcw-messages::-webkit-scrollbar-thumb {
  background: var(--bgcw-border);
  border-radius: 4px;
}

.bgcw-msg { display: flex; }
.bgcw-msg--user  { justify-content: flex-end; }
.bgcw-msg--assistant { justify-content: flex-start; }

.bgcw-bubble {
  max-width: 88%;
  padding: 9px 13px;
  border-radius: 14px;
  line-height: 1.55;
  word-break: break-word;
}
.bgcw-msg--user .bgcw-bubble {
  background: var(--bgcw-user-bg);
  border-bottom-right-radius: 4px;
  color: var(--bgcw-text);
}
.bgcw-msg--assistant .bgcw-bubble {
  background: var(--bgcw-ai-bg);
  border-bottom-left-radius: 4px;
  color: var(--bgcw-text);
}

/* Inline links */
.bgcw-bubble a {
  color: var(--bgcw-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.bgcw-bubble a:hover { opacity: 0.85; }

/* Chart link button */
.bgcw-bubble a.bgcw-chart-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 8px;
  padding: 5px 12px;
  border-radius: 8px;
  background: var(--bgcw-accent);
  color: #fff !important;
  text-decoration: none;
  font-size: 12px;
  font-weight: 600;
  transition: background 0.15s, opacity 0.15s;
}
.bgcw-bubble a.bgcw-chart-link:hover {
  background: var(--bgcw-accent-h);
  opacity: 1;
}

/* Bold */
.bgcw-bubble strong { font-weight: 600; }

/* ── Status indicators ───────────────────────────────────────────────────────── */

.bgcw-thinking {
  color: var(--bgcw-text-dim);
  font-style: italic;
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.bgcw-thinking::after {
  content: '';
  display: inline-block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--bgcw-accent);
  animation: bgcw-pulse 1.1s ease-in-out infinite;
}
@keyframes bgcw-pulse {
  0%, 100% { opacity: 0.25; transform: scale(0.8); }
  50%       { opacity: 1;    transform: scale(1.1); }
}
.bgcw-error {
  color: #e53e3e;
  font-size: 13px;
}

/* ── Input area ──────────────────────────────────────────────────────────────── */

.bgcw-input-area {
  padding: 8px 12px;
  border-top: 1px solid var(--bgcw-border);
  display: flex;
  gap: 8px;
  align-items: flex-end;
  background: var(--bgcw-panel-bg);
  flex-shrink: 0;
}
#bgcw-input {
  flex: 1;
  resize: none;
  border: 1px solid var(--bgcw-border);
  border-radius: 10px;
  padding: 8px 11px;
  background: var(--bgcw-input-bg);
  color: var(--bgcw-text);
  font-family: inherit;
  font-size: 13px;
  line-height: 1.45;
  outline: none;
  min-height: 36px;
  max-height: 110px;
  transition: border-color 0.18s;
}
#bgcw-input::placeholder { color: var(--bgcw-text-dim); }
#bgcw-input:focus { border-color: var(--bgcw-accent); }

#bgcw-send {
  width: 36px;
  height: 36px;
  min-width: 36px;
  border-radius: 10px;
  border: none;
  background: var(--bgcw-accent);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, opacity 0.15s;
  flex-shrink: 0;
}
#bgcw-send:hover:not(:disabled) { background: var(--bgcw-accent-h); }
#bgcw-send:disabled { opacity: 0.45; cursor: default; }

/* ── Footer ──────────────────────────────────────────────────────────────────── */

.bgcw-footer {
  text-align: center;
  font-size: 10px;
  color: var(--bgcw-text-dim);
  padding: 5px 12px;
  border-top: 1px solid var(--bgcw-border);
  background: var(--bgcw-panel-bg);
  flex-shrink: 0;
}
.bgcw-footer a {
  color: var(--bgcw-text-dim);
  text-decoration: none;
}
.bgcw-footer a:hover { color: var(--bgcw-accent); }