/* ==========================================================================
   Casa Scotia - Chatbot
   Floating chat widget — toggle, window, messages, input, animations
   ========================================================================== */

/* ==========================================================================
   Chat Widget — Floating chat button + window
   z-index: 9998 (button) / 9999 (window) — below cookie consent at 10000
   ========================================================================== */

/* ── Toggle Button ─────────────────────────────────────────── */

.chat-toggle {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: 9998;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: none;
  background: var(--gray-600, #6b7280);
  color: var(--white);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0.7;
  transition:
    background-color var(--duration-normal) var(--ease-out),
    transform var(--duration-normal) var(--ease-out),
    opacity var(--duration-normal) var(--ease-out);
}

.chat-toggle:hover {
  background: var(--green-700);
  transform: scale(1.05);
  opacity: 1;
}

.chat-toggle:active {
  transform: scale(0.95);
}

.chat-toggle:focus-visible {
  outline: 2px solid var(--green-400);
  outline-offset: 2px;
}

.chat-toggle__icon {
  width: 24px;
  height: 24px;
  transition: opacity var(--duration-fast) var(--ease-out);
}

.chat-toggle__icon--close {
  position: absolute;
  opacity: 0;
}

.chat-toggle--active .chat-toggle__icon--chat {
  opacity: 0;
}

.chat-toggle--active .chat-toggle__icon--close {
  opacity: 1;
}

/* ── Chat Window ───────────────────────────────────────────── */

.chat-window {
  position: fixed;
  bottom: calc(var(--space-6) + 56px + var(--space-4));
  right: var(--space-6);
  z-index: 9999;
  width: 400px;
  max-height: 500px;
  display: flex;
  flex-direction: column;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-200);
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px) scale(0.96);
  transition:
    opacity var(--duration-normal) var(--ease-out),
    visibility var(--duration-normal),
    transform var(--duration-normal) var(--ease-out);
}

.chat-window--open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

/* ── Header ────────────────────────────────────────────────── */

.chat-window__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  background: var(--green-700);
  color: var(--white);
  flex-shrink: 0;
}

.chat-window__header-info {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.chat-window__status {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #4ade80;
  flex-shrink: 0;
}

.chat-window__title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
}

.chat-window__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  color: var(--white);
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: background-color var(--duration-fast) var(--ease-out);
}

.chat-window__close:hover {
  background: rgba(255, 255, 255, 0.15);
}

.chat-window__close:focus-visible {
  outline: 2px solid var(--white);
  outline-offset: -2px;
}

/* ── Message Area ──────────────────────────────────────────── */

.chat-window__messages {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  min-height: 200px;
  max-height: 320px;
  scroll-behavior: smooth;
}

/* ── Chat Bubbles ──────────────────────────────────────────── */

.chat-bubble {
  display: flex;
  max-width: 85%;
  animation: chatBubbleIn var(--duration-normal) var(--ease-out) both;
}

.chat-bubble--user {
  align-self: flex-end;
}

.chat-bubble--bot {
  align-self: flex-start;
}

.chat-bubble__content {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  line-height: 1.5;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.chat-bubble--user .chat-bubble__content {
  background: var(--green-700);
  color: var(--white);
  border-bottom-right-radius: var(--space-1);
}

.chat-bubble--bot .chat-bubble__content {
  background: var(--gray-100);
  color: var(--charcoal-800);
  border-bottom-left-radius: var(--space-1);
}

/* ── Typing Indicator ──────────────────────────────────────── */

.chat-typing {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: var(--space-1) 0;
}

.chat-typing__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gray-400);
  animation: chatTyping 1.2s ease-in-out infinite;
}

.chat-typing__dot:nth-child(2) {
  animation-delay: 0.15s;
}

.chat-typing__dot:nth-child(3) {
  animation-delay: 0.3s;
}

/* ── Quick Questions ───────────────────────────────────────── */

.chat-window__quick {
  padding: 0 var(--space-4) var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  flex-shrink: 0;
}

.chat-window__quick-label {
  font-size: var(--text-xs);
  color: var(--gray-500);
  margin: 0;
}

.chat-window__quick-btn {
  display: block;
  width: 100%;
  text-align: left;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--green-200);
  border-radius: var(--radius-md);
  background: var(--green-100);
  color: var(--green-800);
  font-size: var(--text-xs);
  font-family: var(--font-body);
  cursor: pointer;
  transition:
    background-color var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out);
}

.chat-window__quick-btn:hover {
  background: var(--green-200);
  border-color: var(--green-400);
}

.chat-window__quick-btn:focus-visible {
  outline: 2px solid var(--green-400);
  outline-offset: -1px;
}

/* ── Input Bar ─────────────────────────────────────────────── */

.chat-window__input-bar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid var(--gray-200);
  background: var(--white);
  flex-shrink: 0;
}

.chat-window__input {
  flex: 1;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-family: var(--font-body);
  color: var(--charcoal-800);
  background: var(--warm-white);
  outline: none;
  transition: border-color var(--duration-fast) var(--ease-out);
}

.chat-window__input::placeholder {
  color: var(--gray-400);
}

.chat-window__input:focus {
  border-color: var(--green-400);
  box-shadow: 0 0 0 2px rgba(93, 118, 82, 0.15);
}

.chat-window__input:disabled {
  opacity: 0.6;
}

.chat-window__send {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: none;
  border-radius: var(--radius-md);
  background: var(--green-700);
  color: var(--white);
  cursor: pointer;
  flex-shrink: 0;
  transition:
    background-color var(--duration-fast) var(--ease-out),
    transform var(--duration-fast) var(--ease-out);
}

.chat-window__send:hover {
  background: var(--green-800);
}

.chat-window__send:active {
  transform: scale(0.93);
}

.chat-window__send:focus-visible {
  outline: 2px solid var(--green-400);
  outline-offset: 2px;
}

.chat-window__send:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ── Animations ────────────────────────────────────────────── */

@keyframes chatBubbleIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes chatTyping {
  0%, 60%, 100% {
    transform: translateY(0);
    opacity: 0.4;
  }
  30% {
    transform: translateY(-4px);
    opacity: 1;
  }
}

/* ── Mobile: Full-screen chat ──────────────────────────────── */

@media (max-width: 768px) {
  .chat-toggle {
    bottom: var(--space-4);
    right: var(--space-4);
  }

  .chat-window {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    max-height: 100%;
    border-radius: 0;
    border: none;
  }

  .chat-window__messages {
    max-height: none;
    flex: 1;
  }
}

/* ── Reduced motion ────────────────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
  .chat-window {
    transition: opacity var(--duration-fast), visibility var(--duration-fast);
    transform: none;
  }

  .chat-window--open {
    transform: none;
  }

  .chat-bubble {
    animation: none;
  }

  .chat-typing__dot {
    animation: none;
    opacity: 0.6;
  }

  .chat-toggle {
    transition: background-color var(--duration-fast);
  }

  .chat-toggle:hover {
    transform: none;
  }
}