/* Chat Widget — Floating bubble + slide-up panel */

.chat-bubble {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: white;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  z-index: 9998;
  transition: transform 0.2s, box-shadow 0.2s;
}

.chat-bubble:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.35);
}

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

/* Panel */
.chat-panel {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 400px;
  height: 560px;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.2);
  display: none;
  flex-direction: column;
  overflow: hidden;
  z-index: 9999;
  animation: chatSlideUp 0.25s ease-out;
}

.chat-panel.open { display: flex; }

@keyframes chatSlideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Panel header */
.chat-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: white;
}

.chat-panel-header .chat-title {
  font-size: 0.95rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.chat-panel-header .chat-title .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  display: inline-block;
}

.chat-panel-close {
  background: none;
  border: none;
  color: #94a3b8;
  font-size: 1.3rem;
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
  transition: color 0.15s;
}

.chat-panel-close:hover { color: white; }

/* Messages area */
.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: #f8fafc;
}

.chat-messages::-webkit-scrollbar { width: 5px; }
.chat-messages::-webkit-scrollbar-track { background: transparent; }
.chat-messages::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 3px; }

.chat-msg {
  max-width: 85%;
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 0.9rem;
  line-height: 1.5;
  word-break: break-word;
  white-space: pre-wrap;
  animation: chatMsgIn 0.2s ease-out;
}

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

.chat-msg.user {
  background: #0f172a;
  color: white;
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}

.chat-msg.bot {
  background: white;
  color: #1e293b;
  align-self: flex-start;
  border-bottom-left-radius: 4px;
  border: 1px solid #e2e8f0;
}

.chat-bot-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #0ea5e9;
  margin-bottom: 4px;
}

/* Suggestions */
.chat-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 0 16px 12px;
  background: #f8fafc;
}

.chat-suggestion {
  font-size: 0.8rem;
  padding: 6px 12px;
  border-radius: 16px;
  border: 1px solid #cbd5e1;
  background: white;
  color: #475569;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.chat-suggestion:hover {
  border-color: #0ea5e9;
  background: #f0f9ff;
  color: #0369a1;
}

/* Typing indicator */
.chat-typing {
  display: flex;
  gap: 4px;
  padding: 10px 14px;
  align-self: flex-start;
}

.chat-typing span {
  width: 6px;
  height: 6px;
  background: #94a3b8;
  border-radius: 50%;
  animation: chatBounce 1.2s infinite;
}

.chat-typing span:nth-child(2) { animation-delay: 0.15s; }
.chat-typing span:nth-child(3) { animation-delay: 0.3s; }

@keyframes chatBounce {
  0%, 60%, 100% { transform: translateY(0); }
  30% { transform: translateY(-5px); }
}

/* Input area */
.chat-input-area {
  display: flex;
  gap: 8px;
  padding: 12px 16px;
  border-top: 1px solid #e2e8f0;
  background: white;
}

.chat-input {
  flex: 1;
  font-family: inherit;
  font-size: 0.9rem;
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid #e2e8f0;
  background: #f8fafc;
  color: #1e293b;
  outline: none;
  resize: none;
  min-height: 40px;
  max-height: 100px;
  transition: border-color 0.15s;
}

.chat-input:focus { border-color: #0ea5e9; }
.chat-input::placeholder { color: #94a3b8; }

.chat-send {
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0 16px;
  border-radius: 10px;
  border: none;
  background: #0f172a;
  color: white;
  cursor: pointer;
  transition: opacity 0.15s;
}

.chat-send:hover { opacity: 0.85; }
.chat-send:disabled { opacity: 0.4; cursor: not-allowed; }

/* Mobile */
@media (max-width: 768px) {
  .chat-panel {
    bottom: 0;
    right: 0;
    width: 100%;
    height: 100%;
    border-radius: 0;
  }

  .chat-bubble {
    bottom: 16px;
    right: 16px;
    width: 52px;
    height: 52px;
    font-size: 1.4rem;
  }
}