/* ═══════════════════════════════════════════════════════════
   CHATBOT WIDGET — Joel Gacho Portfolio
   Matches site design tokens (--accent: #F85E00)
═══════════════════════════════════════════════════════════ */

/* ─── Bubble ─────────────────────────────────────────────── */

#cb-bubble {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, #F85E00 0%, #FF7A2A 100%);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 8px 28px rgba(248, 94, 0, 0.40);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  animation: cb-pulse 2.4s ease-in-out 1.2s 3;
}

#cb-bubble:hover {
  transform: scale(1.09);
  box-shadow: 0 12px 36px rgba(248, 94, 0, 0.55);
}

#cb-bubble:focus-visible {
  outline: 3px solid #FF7A2A;
  outline-offset: 3px;
}

@keyframes cb-pulse {
  0%, 100% {
    box-shadow: 0 8px 28px rgba(248, 94, 0, 0.40);
  }
  50% {
    box-shadow: 0 8px 28px rgba(248, 94, 0, 0.40),
                0 0 0 14px rgba(248, 94, 0, 0.12);
  }
}

/* Unread badge */
#cb-badge {
  position: absolute;
  top: 3px;
  right: 3px;
  width: 13px;
  height: 13px;
  background: #ef4444;
  border-radius: 50%;
  border: 2.5px solid #0c1220;
  pointer-events: none;
}

/* ─── Chat window ─────────────────────────────────────────── */

#cb-window {
  position: fixed;
  bottom: 92px;
  right: 24px;
  z-index: 9998;
  width: 380px;
  height: 520px;
  background: #0c1220;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.72);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  /* closed state */
  opacity: 0;
  transform: translateY(16px) scale(0.97);
  transition: opacity 0.28s ease, transform 0.28s ease;
  pointer-events: none;
}

#cb-window.cb-open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

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

.cb-header {
  background: linear-gradient(135deg, #F85E00 0%, #FF7A2A 100%);
  padding: 13px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.cb-header__left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.cb-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.22);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  color: #fff;
  flex-shrink: 0;
  letter-spacing: -0.5px;
}

.cb-header__info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.cb-header__name {
  font-weight: 600;
  font-size: 0.9rem;
  color: #fff;
  line-height: 1.2;
}

.cb-header__status {
  font-size: 0.71rem;
  color: rgba(255, 255, 255, 0.85);
  display: flex;
  align-items: center;
  gap: 4px;
}

.cb-online-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #4ade80;
  flex-shrink: 0;
}

.cb-close {
  background: rgba(255, 255, 255, 0.18);
  border: none;
  border-radius: 8px;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  cursor: pointer;
  transition: background 0.18s;
  flex-shrink: 0;
}

.cb-close:hover {
  background: rgba(255, 255, 255, 0.30);
}

.cb-close:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.7);
  outline-offset: 2px;
}

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

.cb-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  scroll-behavior: smooth;
}

.cb-messages::-webkit-scrollbar {
  width: 4px;
}
.cb-messages::-webkit-scrollbar-track {
  background: transparent;
}
.cb-messages::-webkit-scrollbar-thumb {
  background: rgba(148, 163, 184, 0.18);
  border-radius: 4px;
}

/* Message row */
.cb-msg {
  display: flex;
  flex-direction: column;
  max-width: 80%;
  gap: 4px;
}

.cb-msg--user {
  align-self: flex-end;
  align-items: flex-end;
}

.cb-msg--bot {
  align-self: flex-start;
  align-items: flex-start;
}

/* Bubble */
.cb-bubble {
  padding: 10px 14px;
  font-size: 0.855rem;
  line-height: 1.62;
  word-break: break-word;
}

.cb-msg--user .cb-bubble {
  background: #F85E00;
  color: #fff;
  border-radius: 14px 14px 4px 14px;
}

.cb-msg--bot .cb-bubble {
  background: #121a2e;
  color: #eef2ff;
  border-radius: 14px 14px 14px 4px;
}

.cb-msg--bot .cb-bubble a {
  color: #FF7A2A;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.cb-msg--bot .cb-bubble a:hover {
  color: #ffaa6e;
}

/* Timestamp */
.cb-time {
  font-size: 0.68rem;
  color: #7a8a9e;
  padding: 0 4px;
  line-height: 1;
}

/* ─── Typing indicator ───────────────────────────────────── */

.cb-typing {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 12px 16px;
  min-height: 42px;
}

.cb-typing span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #7a8a9e;
  animation: cb-dot 1.2s ease-in-out infinite;
  flex-shrink: 0;
}

.cb-typing span:nth-child(2) { animation-delay: 0.2s; }
.cb-typing span:nth-child(3) { animation-delay: 0.4s; }

@keyframes cb-dot {
  0%, 60%, 100% {
    transform: translateY(0);
    opacity: 0.45;
  }
  30% {
    transform: translateY(-5px);
    opacity: 1;
  }
}

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

.cb-input-area {
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  background: #121a2e;
  padding: 11px 12px;
  display: flex;
  align-items: flex-end;
  gap: 9px;
  flex-shrink: 0;
}

#cb-textarea {
  flex: 1;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(148, 163, 184, 0.12);
  border-radius: 10px;
  color: #eef2ff;
  font-family: inherit;
  font-size: 0.855rem;
  line-height: 1.55;
  padding: 9px 12px;
  resize: none;
  outline: none;
  max-height: 120px;
  overflow-y: auto;
  transition: border-color 0.2s;
}

#cb-textarea::placeholder {
  color: #7a8a9e;
}

#cb-textarea:focus {
  border-color: rgba(248, 94, 0, 0.5);
}

#cb-send {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, #F85E00 0%, #FF7A2A 100%);
  border: none;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: opacity 0.18s, transform 0.15s;
}

#cb-send:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

#cb-send:not(:disabled):hover {
  transform: scale(1.07);
}

#cb-send:focus-visible {
  outline: 2px solid #FF7A2A;
  outline-offset: 2px;
}

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

@media (max-width: 480px) {
  #cb-window {
    width: 100vw;
    height: 70vh;
    bottom: 0;
    right: 0;
    border-radius: 16px 16px 0 0;
    border-left: none;
    border-right: none;
    border-bottom: none;
  }

  #cb-bubble {
    bottom: 20px;
    right: 20px;
  }
}