/* ============================================
   KRIVIO — AI CHATBOT (Vio AI)
   Floating widget, bottom-left, frontend-only keyword engine.
   ============================================ */

.chatbot-launcher {
  position: fixed;
  left: var(--space-4);
  bottom: var(--space-4);
  z-index: 1500;
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--color-violet);
  color: #fff;
  border: none;
  border-radius: var(--radius-pill);
  padding: 12px 18px 12px 14px;
  font-family: var(--font-display);
  font-weight: var(--fw-medium);
  font-size: var(--fs-sm);
  cursor: pointer;
  box-shadow: var(--shadow-violet);
  transition: transform var(--dur-fast) var(--ease-out);
}
.chatbot-launcher:hover { transform: translateY(-2px); }
.chatbot-launcher__icon {
  width: 26px; height: 26px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 15px;
  flex-shrink: 0;
}
.chatbot-launcher.is-hidden { display: none; }

.chatbot-window {
  position: fixed;
  left: var(--space-4);
  bottom: calc(var(--space-4) + 64px);
  z-index: 1500;
  width: 340px;
  max-width: calc(100vw - 2 * var(--space-4));
  height: 460px;
  max-height: calc(100vh - 140px);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  transform: translateY(16px) scale(0.98);
  pointer-events: none;
  transition: opacity var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out);
}
.chatbot-window.is-open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.chatbot-window__header {
  background: var(--color-violet);
  color: #fff;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}
.chatbot-window__title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-sm);
}
.chatbot-window__title .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: #4CE28C;
}
.chatbot-window__title small {
  display: block;
  font-weight: var(--fw-regular);
  font-size: 11px;
  opacity: 0.8;
}
.chatbot-window__close {
  background: none; border: none; color: #fff;
  font-size: 18px; cursor: pointer; line-height: 1;
  opacity: 0.85;
}
.chatbot-window__close:hover { opacity: 1; }

.chatbot-window__body {
  flex: 1;
  overflow-y: auto;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--color-bg-alt);
}

.chatbot-msg {
  max-width: 82%;
  padding: 9px 13px;
  border-radius: 14px;
  font-size: 13px;
  line-height: 1.5;
}
.chatbot-msg--bot {
  align-self: flex-start;
  background: #fff;
  border: 1px solid var(--color-border);
  border-bottom-left-radius: 4px;
  color: var(--color-ink);
}
.chatbot-msg--user {
  align-self: flex-end;
  background: var(--color-violet);
  color: #fff;
  border-bottom-right-radius: 4px;
}
.chatbot-msg a { color: var(--color-violet); font-weight: 600; }
.chatbot-msg--user a { color: #fff; text-decoration: underline; }

.chatbot-quick-replies {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-self: flex-start;
  max-width: 100%;
}
.chatbot-quick-reply {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 500;
  color: var(--color-violet);
  background: var(--color-violet-tint);
  border: none;
  border-radius: var(--radius-pill);
  padding: 6px 12px;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-out);
}
.chatbot-quick-reply:hover { background: #E0DCFF; }

.chatbot-typing {
  align-self: flex-start;
  display: flex;
  gap: 4px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  border-bottom-left-radius: 4px;
  padding: 11px 14px;
}
.chatbot-typing span {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-ink-faint);
  animation: chatbot-bounce 1.2s infinite ease-in-out;
}
.chatbot-typing span:nth-child(2) { animation-delay: 0.15s; }
.chatbot-typing span:nth-child(3) { animation-delay: 0.3s; }
@keyframes chatbot-bounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.5; }
  30% { transform: translateY(-4px); opacity: 1; }
}

.chatbot-window__footer {
  display: flex;
  gap: 8px;
  padding: 10px;
  border-top: 1px solid var(--color-border);
  background: #fff;
  flex-shrink: 0;
}
.chatbot-window__input {
  flex: 1;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-pill);
  padding: 9px 14px;
  font-family: var(--font-body);
  font-size: 13px;
  background: var(--color-bg-alt);
}
.chatbot-window__input:focus { outline: none; border-color: var(--color-violet); }
.chatbot-window__send {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--color-violet);
  color: #fff;
  border: none;
  cursor: pointer;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 15px;
  transition: background var(--dur-fast) var(--ease-out);
}
.chatbot-window__send:hover { background: var(--color-violet-deep); }

@media (max-width: 480px) {
  .chatbot-window {
    left: 12px; right: 12px; width: auto;
    bottom: 82px; height: calc(100vh - 150px);
  }
  .chatbot-launcher { left: 12px; bottom: 12px; }
}