/* =========================================================
   Speedline Virtual Assistant — Chatbot UI
   ========================================================= */

/* --- Floating Trigger Button --- */
.chatbot-trigger {
  position: fixed;
  bottom: 24px; left: 24px;
  z-index: 9000;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--text-0);
  color: var(--accent-red);
  border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 28px rgba(0,0,0,0.2), 0 2px 8px rgba(0,0,0,0.12);
  transition: all 0.35s var(--easing);
  animation: chatPulse 3s ease-in-out infinite;
}
.chatbot-trigger:hover {
  transform: scale(1.08) translateY(-2px);
  box-shadow: 0 12px 36px rgba(0,0,0,0.25);
  animation: none;
}
.chatbot-trigger.is-open {
  animation: none;
  background: var(--accent-red);
  color: #fff;
  transform: rotate(0deg);
}
.chatbot-trigger svg { width: 26px; height: 26px; transition: transform 0.3s var(--easing); }
.chatbot-trigger.is-open svg { transform: rotate(90deg); }
.chatbot-trigger .trigger-close { display: none; }
.chatbot-trigger.is-open .trigger-icon { display: none; }
.chatbot-trigger.is-open .trigger-close { display: block; }

@keyframes chatPulse {
  0%, 100% { box-shadow: 0 8px 28px rgba(0,0,0,0.2), 0 0 0 0 rgba(227, 6, 21,0.3); }
  50% { box-shadow: 0 8px 28px rgba(0,0,0,0.2), 0 0 0 12px rgba(227, 6, 21,0); }
}

/* Notification dot */
.chatbot-trigger .notif-dot {
  position: absolute; top: -2px; right: -2px;
  width: 14px; height: 14px;
  background: var(--accent-green);
  border-radius: 50%;
  border: 2px solid #fff;
  box-shadow: 0 0 8px var(--accent-green);
  animation: notifPulse 2s ease-in-out infinite;
}
@keyframes notifPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.2); }
}

/* --- Chat Window --- */
.chatbot-window {
  position: fixed;
  bottom: 92px; left: 24px;
  z-index: 9001;
  width: 380px;
  max-height: 540px;
  display: flex; flex-direction: column;
  background: rgba(240, 242, 246, 0.92);
  backdrop-filter: blur(32px) saturate(160%);
  -webkit-backdrop-filter: blur(32px) saturate(160%);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 20px;
  box-shadow: 0 24px 70px rgba(0,0,0,0.18), 0 8px 24px rgba(0,0,0,0.10), inset 0 1px 0 rgba(255,255,255,0.5);
  overflow: hidden;
  /* Hidden state */
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transform: translateY(16px) scale(0.95);
  transition: all 0.4s var(--ease-out-expo), visibility 0s linear 0.4s;
}
.chatbot-window.is-open {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
  transition: all 0.4s var(--ease-out-expo), visibility 0s linear 0s;
}

/* --- Header --- */
.chatbot-header {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 16px;
  background: linear-gradient(135deg, rgba(0,0,0,0.04), rgba(0,0,0,0.01));
  border-bottom: 1px solid rgba(0,0,0,0.06);
  flex-shrink: 0;
}
.chatbot-avatar {
  width: 34px; height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--text-0), #333);
  color: var(--accent-red);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(0,0,0,0.12);
}
.chatbot-avatar svg { width: 16px; height: 16px; }
.chatbot-header-info { flex: 1; min-width: 0; }
.chatbot-header-name {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 13px; font-weight: 600;
  color: var(--text-0);
  letter-spacing: -0.01em;
}
.chatbot-header-status {
  font-size: 10px; color: var(--accent-green);
  display: flex; align-items: center; gap: 4px;
  font-weight: 500;
}
.chatbot-header-status::before {
  content: '';
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--accent-green);
  box-shadow: 0 0 6px var(--accent-green);
}
.chatbot-header-actions { display: flex; gap: 2px; }
.chatbot-header-actions button {
  width: 28px; height: 28px;
  border: none; background: transparent; cursor: pointer;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-3);
  transition: background 0.2s, color 0.2s;
}
.chatbot-header-actions button:hover {
  background: rgba(0,0,0,0.06);
  color: var(--text-0);
}
.chatbot-header-actions button svg { width: 14px; height: 14px; }

/* --- Messages Area --- */
.chatbot-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px 14px;
  display: flex; flex-direction: column; gap: 10px;
  scroll-behavior: smooth;
  min-height: 260px;
}
.chatbot-messages::-webkit-scrollbar { width: 3px; }
.chatbot-messages::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.08); border-radius: 2px; }

/* Message bubbles */
.chat-msg {
  max-width: 82%;
  padding: 10px 14px;
  border-radius: 16px;
  font-size: 13px;
  line-height: 1.55;
  animation: msgFadeIn 0.35s var(--ease-out-expo);
  word-wrap: break-word;
}
@keyframes msgFadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.chat-msg.bot {
  align-self: flex-start;
  background: rgba(255,255,255,0.8);
  color: var(--text-0);
  border-bottom-left-radius: 4px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}
.chat-msg.user {
  align-self: flex-end;
  background: var(--text-0);
  color: #fff;
  border-bottom-right-radius: 4px;
}
.chat-msg a {
  color: var(--accent-green);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.chat-msg.user a { color: var(--accent-red); }
.chat-msg strong { font-weight: 600; }

/* Typing indicator */
.chat-typing {
  align-self: flex-start;
  display: flex; gap: 4px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.65);
  border-radius: 16px;
  border-bottom-left-radius: 4px;
}
.chat-typing span {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--text-3);
  animation: typingDot 1.2s ease-in-out infinite;
}
.chat-typing span:nth-child(2) { animation-delay: 0.15s; }
.chat-typing span:nth-child(3) { animation-delay: 0.3s; }
@keyframes typingDot {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-5px); opacity: 1; }
}

/* --- Quick Actions --- */
.chatbot-chips {
  padding: 6px 14px 4px;
  display: flex; flex-wrap: wrap; gap: 5px;
  border-top: 1px solid rgba(0,0,0,0.05);
  flex-shrink: 0;
}
.chat-chip {
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(0,0,0,0.1);
  background: rgba(255,255,255,0.5);
  font-size: 11px; font-weight: 500;
  font-family: 'Inter', sans-serif;
  color: var(--text-1);
  cursor: pointer;
  transition: all 0.25s var(--easing);
  white-space: nowrap;
}
.chat-chip:hover {
  background: var(--accent-red-soft);
  border-color: var(--accent-red);
  color: var(--accent-red);
}

/* --- Input Area --- */
.chatbot-input-area {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 12px;
  border-top: 1px solid rgba(0,0,0,0.05);
  flex-shrink: 0;
}
.chatbot-input {
  flex: 1;
  border: 1px solid rgba(0,0,0,0.08);
  background: rgba(255,255,255,0.6);
  font-size: 13px;
  font-family: 'Inter', sans-serif;
  color: var(--text-0);
  outline: none;
  padding: 8px 12px;
  border-radius: 12px;
  transition: border-color 0.2s, background 0.2s;
}
.chatbot-input:focus {
  border-color: var(--accent-red);
  background: rgba(255,255,255,0.85);
}
.chatbot-input::placeholder { color: var(--text-3); font-size: 12px; }
.chatbot-send {
  width: 32px; height: 32px;
  border: none; background: var(--text-0);
  color: var(--accent-red);
  border-radius: 10px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: all 0.25s var(--easing);
}
.chatbot-send:hover {
  background: var(--accent-green);
  color: #fff;
  transform: scale(1.05);
}
.chatbot-send svg { width: 14px; height: 14px; }

/* --- Mobile --- */
@media (max-width: 600px) {
  .chatbot-trigger {
    bottom: 16px; left: 16px;
    width: 48px; height: 48px;
  }
  .chatbot-trigger svg { width: 20px; height: 20px; }
  .chatbot-window {
    bottom: 76px; left: 12px;
    width: 75vw;
    max-width: 320px;
    max-height: 70vh;
    border-radius: 18px;
  }
  .chatbot-window.is-open {
    transform: translateY(0) scale(1);
  }
  .chatbot-header { padding: 12px 14px; gap: 10px; }
  .chatbot-messages { padding: 12px 10px; gap: 8px; min-height: 180px; }
  .chat-msg { font-size: 12px; padding: 8px 12px; }
  .chat-chip { font-size: 10px; padding: 4px 10px; }
  .chatbot-input { font-size: 12px; padding: 7px 10px; }
  .chatbot-send { width: 28px; height: 28px; }
  .chatbot-send svg { width: 12px; height: 12px; }
}

/* --- Scrollability fix (desktop wheel) --- */
.chatbot-messages {
  overflow-y: auto !important;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: rgba(0,0,0,0.12) transparent;
}

/* --- Dark Theme --- */
body.dark-theme .chatbot-trigger {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--accent-red);
  box-shadow: 0 8px 28px rgba(0,0,0,0.4);
}
body.dark-theme .chatbot-trigger.is-open {
  background: var(--accent-red);
  color: #fff;
  border-color: var(--accent-red);
}
body.dark-theme .chatbot-trigger .notif-dot {
  border-color: #1a1c24;
}
body.dark-theme .chatbot-window {
  background: rgba(20,22,28,0.97);
  border-color: rgba(255,255,255,0.1);
  box-shadow: 0 24px 70px rgba(0,0,0,0.5), 0 8px 24px rgba(0,0,0,0.3);
}
body.dark-theme .chatbot-header {
  background: rgba(13,15,19,0.9);
  border-color: rgba(255,255,255,0.08);
}
body.dark-theme .chatbot-header-name { color: #f0f2f5; }
body.dark-theme .chatbot-header-status { color: var(--accent-green); }
body.dark-theme .chatbot-header-actions button { color: #7a7f8a; }
body.dark-theme .chatbot-header-actions button:hover { background: rgba(255,255,255,0.08); color: #f0f2f5; }

/* Bot messages */
body.dark-theme .chat-msg.bot {
  background: rgba(255,255,255,0.08);
  color: #e0e2e6;
  box-shadow: none;
}
/* User messages */
body.dark-theme .chat-msg.user {
  background: var(--accent-red);
  color: #fff;
}
body.dark-theme .chat-msg a { color: var(--accent-green); }
body.dark-theme .chat-msg.user a { color: #f7b9bf; }

/* Typing indicator */
body.dark-theme .chat-typing {
  background: rgba(255,255,255,0.06);
}
body.dark-theme .chat-typing span { background: #555; }

/* Chips */
body.dark-theme .chatbot-chips { border-color: rgba(255,255,255,0.08); }
body.dark-theme .chat-chip {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.12);
  color: #b8bcc4;
}
body.dark-theme .chat-chip:hover {
  background: rgba(227, 6, 21,0.15);
  border-color: var(--accent-red);
  color: var(--accent-red);
}

/* Input */
body.dark-theme .chatbot-input-area { border-color: rgba(255,255,255,0.08); }
body.dark-theme .chatbot-input {
  color: #f0f2f5;
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.1);
}
body.dark-theme .chatbot-input:focus {
  border-color: var(--accent-red);
  background: rgba(255,255,255,0.1);
}
body.dark-theme .chatbot-input::placeholder { color: #555; }
body.dark-theme .chatbot-send {
  background: rgba(255,255,255,0.08);
  color: var(--accent-red);
}
body.dark-theme .chatbot-send:hover {
  background: var(--accent-red);
  color: #fff;
}

/* Scrollbar dark */
body.dark-theme .chatbot-messages::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.12); }
body.dark-theme .chatbot-messages::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }