/* =========================================================
   Floating FAQ Chatbot Widget
   ========================================================= */

/* ----- Chatbot Link ----- */
.chatbot-link { color: var(--accent-cyan); }

/* ----- FAB Button ----- */
.chat-fab {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 999;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(0, 212, 255, 0.35);
  transition: transform 200ms ease, box-shadow 200ms ease;
}

.chat-fab:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 28px rgba(0, 212, 255, 0.5);
}

.chat-fab svg {
  width: 28px;
  height: 28px;
  fill: #0A0E1A;
  transition: opacity 150ms ease, transform 150ms ease;
}

.chat-fab .icon-chat  { position: absolute; }
.chat-fab .icon-close { position: absolute; opacity: 0; transform: rotate(-90deg); }

.chat-fab.open .icon-chat  { opacity: 0; transform: rotate(90deg); }
.chat-fab.open .icon-close { opacity: 1; transform: rotate(0deg); }

/* Notification dot */
.chat-fab__dot {
  position: absolute;
  top: 3px;
  right: 3px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background-color: var(--accent-green);
  border: 2px solid var(--bg-primary);
  animation: fabPulse 2.5s ease-in-out infinite;
}

.chat-fab.open .chat-fab__dot { display: none; }

@keyframes fabPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.5); }
  50%       { box-shadow: 0 0 0 5px rgba(16, 185, 129, 0); }
}

/* ----- Chat Panel ----- */
.chat-panel {
  position: fixed;
  bottom: 5.5rem;
  right: 1.5rem;
  z-index: 998;
  width: 360px;
  max-width: calc(100vw - 2rem);
  height: 500px;
  max-height: calc(100vh - 8rem);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5);
  background-color: var(--bg-primary);

  /* Hidden state */
  opacity: 0;
  transform: translateY(16px) scale(0.97);
  pointer-events: none;
  transition: opacity 220ms ease, transform 220ms ease;
  transform-origin: bottom right;
}

.chat-panel.open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: all;
}

/* ----- Header ----- */
.chat-panel__header {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.75rem 1rem;
  background-color: var(--surface);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.chat-panel__avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  flex-shrink: 0;
}

.chat-panel__info { flex: 1; }

.chat-panel__name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.2;
}

.chat-panel__status {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.7rem;
  color: var(--accent-green);
}

.chat-panel__status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--accent-green);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}

/* ----- Messages ----- */
.chat-panel__messages {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  background-color: var(--bg-primary);
  scroll-behavior: smooth;
}

.chat-panel__messages::-webkit-scrollbar { width: 3px; }
.chat-panel__messages::-webkit-scrollbar-track { background: transparent; }
.chat-panel__messages::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

/* Message bubbles */
.msg {
  display: flex;
  gap: 0.5rem;
  max-width: 90%;
  animation: msgIn 0.22s ease both;
}

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

.msg--bot  { align-self: flex-start; }
.msg--user { align-self: flex-end; flex-direction: row-reverse; }

.msg__avatar {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  flex-shrink: 0;
  align-self: flex-end;
}

.msg__bubble {
  padding: 0.55rem 0.8rem;
  border-radius: 14px;
  font-size: 0.825rem;
  line-height: 1.5;
}

.msg--bot .msg__bubble {
  background-color: var(--surface);
  color: var(--text-primary);
  border-bottom-left-radius: 3px;
  border: 1px solid var(--border);
}

.msg--user .msg__bubble {
  background-color: var(--accent-cyan);
  color: var(--bg-primary);
  border-bottom-right-radius: 3px;
  font-weight: 500;
}

/* Typing indicator */
.msg--typing .msg__bubble {
  display: flex;
  align-items: center;
  gap: 3px;
  padding: 0.65rem 0.8rem;
}

.typing-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--text-secondary);
  animation: typingBounce 1.2s ease-in-out infinite;
}
.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingBounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30%            { transform: translateY(-5px); opacity: 1; }
}

/* Suggestion chips */
.msg__suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.45rem;
}

.suggestion-chip {
  font-size: 0.72rem;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--accent-cyan);
  background-color: transparent;
  color: var(--accent-cyan);
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-sans);
  white-space: nowrap;
}

.suggestion-chip:hover {
  background-color: var(--accent-cyan);
  color: var(--bg-primary);
}

/* ----- Input ----- */
.chat-panel__input-row {
  display: flex;
  gap: 0.4rem;
  padding: 0.7rem 0.875rem;
  background-color: var(--surface);
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.chat-panel__input {
  flex: 1;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.5rem 0.75rem;
  font-size: 0.8rem;
  color: var(--text-primary);
  font-family: var(--font-sans);
  outline: none;
  transition: border-color var(--transition);
  min-width: 0;
}

.chat-panel__input::placeholder { color: var(--text-secondary); }
.chat-panel__input:focus { border-color: var(--accent-cyan); }

.chat-panel__send {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-md);
  background-color: var(--accent-cyan);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background-color var(--transition);
  color: var(--bg-primary);
}

.chat-panel__send:hover { background-color: #00bfe8; }

.chat-panel__send svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
}

/* ----- Mobile tweaks ----- */
@media (max-width: 480px) {
  .chat-panel {
    right: 0.75rem;
    bottom: 5rem;
    width: calc(100vw - 1.5rem);
  }
  .chat-fab {
    right: 0.75rem;
    bottom: 0.75rem;
  }
}