/* ============================================================
   chatbot.css  —  MechanicGo Floating Help Assistant
   Uses CSS variables so it auto-matches each page's theme.
   ============================================================ */

/* ── Floating trigger button ─────────────────────────────── */
#mg-chat-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9000;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent, #e67e22);
  color: #fff;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 18px rgba(0,0,0,0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s, box-shadow 0.2s;
  font-size: 24px;
  outline: none;
}
#mg-chat-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 24px rgba(0,0,0,0.45);
}
#mg-chat-btn .mg-chat-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  background: #e74c3c;
  color: #fff;
  border-radius: 50%;
  width: 18px;
  height: 18px;
  font-size: 11px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #fff;
}

/* ── Chat window ─────────────────────────────────────────── */
#mg-chat-window {
  position: fixed;
  bottom: 90px;
  right: 24px;
  z-index: 9001;
  width: 340px;
  max-height: 520px;
  display: flex;
  flex-direction: column;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 8px 40px rgba(0,0,0,0.35);
  background: var(--surface, #1e2a35);
  border: 1px solid var(--border, rgba(255,255,255,0.08));
  transform: scale(0.92) translateY(16px);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.22s cubic-bezier(.4,0,.2,1),
              opacity 0.22s ease;
}
#mg-chat-window.mg-open {
  transform: scale(1) translateY(0);
  opacity: 1;
  pointer-events: all;
}

/* ── Header ──────────────────────────────────────────────── */
#mg-chat-header {
  background: var(--accent, #e67e22);
  color: #fff;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
#mg-chat-header .mg-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
#mg-chat-header .mg-header-info {
  flex: 1;
  min-width: 0;
}
#mg-chat-header .mg-header-info strong {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: #fff;
}
#mg-chat-header .mg-header-info span {
  font-size: 11px;
  opacity: 0.85;
  color: #fff;
}
#mg-chat-close {
  background: none;
  border: none;
  color: #fff;
  cursor: pointer;
  font-size: 20px;
  line-height: 1;
  padding: 2px 4px;
  border-radius: 4px;
  opacity: 0.85;
  transition: opacity 0.15s;
  flex-shrink: 0;
}
#mg-chat-close:hover { opacity: 1; }

/* ── Message body ────────────────────────────────────────── */
#mg-chat-body {
  flex: 1;
  overflow-y: auto;
  padding: 14px 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  scrollbar-width: thin;
  scrollbar-color: var(--accent, #e67e22) transparent;
}
#mg-chat-body::-webkit-scrollbar { width: 4px; }
#mg-chat-body::-webkit-scrollbar-thumb {
  background: var(--accent, #e67e22);
  border-radius: 4px;
}

/* ── Bubbles ─────────────────────────────────────────────── */
.mg-msg {
  max-width: 86%;
  padding: 9px 13px;
  border-radius: 14px;
  font-size: 13px;
  line-height: 1.5;
  word-break: break-word;
  animation: mgFadeIn 0.18s ease;
}
@keyframes mgFadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}
.mg-msg.mg-bot {
  background: var(--border, rgba(255,255,255,0.09));
  color: var(--text, #dce6f0);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}
.mg-msg.mg-user {
  background: var(--accent, #e67e22);
  color: #fff;
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}
.mg-msg a {
  color: inherit;
  text-decoration: underline;
  opacity: 0.85;
}

/* Typing indicator */
.mg-typing {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 10px 14px;
  background: var(--border, rgba(255,255,255,0.09));
  border-radius: 14px;
  border-bottom-left-radius: 4px;
  align-self: flex-start;
}
.mg-typing span {
  width: 7px;
  height: 7px;
  background: var(--accent, #e67e22);
  border-radius: 50%;
  display: inline-block;
  animation: mgBounce 1.1s infinite ease-in-out;
  opacity: 0.7;
}
.mg-typing span:nth-child(2) { animation-delay: 0.18s; }
.mg-typing span:nth-child(3) { animation-delay: 0.36s; }
@keyframes mgBounce {
  0%, 80%, 100% { transform: translateY(0); }
  40%           { transform: translateY(-6px); }
}

/* ── Quick replies ───────────────────────────────────────── */
#mg-quick-replies {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 8px 12px 4px;
  flex-shrink: 0;
  border-top: 1px solid var(--border, rgba(255,255,255,0.07));
}
.mg-quick-btn {
  background: none;
  border: 1px solid var(--accent, #e67e22);
  color: var(--accent, #e67e22);
  border-radius: 20px;
  padding: 5px 11px;
  font-size: 11.5px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  white-space: nowrap;
  font-family: inherit;
}
.mg-quick-btn:hover {
  background: var(--accent, #e67e22);
  color: #fff;
}

/* ── Input row ───────────────────────────────────────────── */
#mg-chat-input-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-top: 1px solid var(--border, rgba(255,255,255,0.07));
  flex-shrink: 0;
  background: var(--surface, #1e2a35);
}
#mg-chat-input {
  flex: 1;
  background: var(--border, rgba(255,255,255,0.07));
  border: 1px solid var(--border, rgba(255,255,255,0.12));
  border-radius: 20px;
  color: var(--text, #dce6f0);
  padding: 8px 14px;
  font-size: 13px;
  outline: none;
  font-family: inherit;
  transition: border-color 0.15s;
}
#mg-chat-input::placeholder { opacity: 0.45; }
#mg-chat-input:focus {
  border-color: var(--accent, #e67e22);
}
#mg-chat-send {
  background: var(--accent, #e67e22);
  border: none;
  color: #fff;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.15s, transform 0.15s;
  flex-shrink: 0;
}
#mg-chat-send:hover { opacity: 0.88; transform: scale(1.08); }

/* ── Mobile adjustments ──────────────────────────────────── */
@media (max-width: 480px) {
  #mg-chat-window {
    width: calc(100vw - 20px);
    right: 10px;
    bottom: 80px;
    max-height: 72vh;
  }
  #mg-chat-btn {
    right: 16px;
    bottom: 16px;
    width: 50px;
    height: 50px;
    font-size: 21px;
  }
}