/* ============================================================
   TRES INNOVATIONS — Chatbot Widget
   Brand: Deep Teal · Amber · Outfit + DM Sans
   ============================================================ */

/* ─── Root container ─────────────────────────────────────── */
.chatbot-root {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 300;
  font-family: var(--f-body);
}

/* ─── Floating icon button ───────────────────────────────── */
.chatbot-icon {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: var(--c-deep);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: 2px solid rgba(255, 255, 255, 0.75);
  box-shadow: var(--shadow-md);
  transition:
    transform var(--t-fast),
    box-shadow var(--t-base);
  position: relative;
}

.chatbot-icon:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.chatbot-icon:active {
  transform: translateY(0);
}

.chatbot-icon:focus-visible {
  outline: 2px solid var(--c-amber);
  outline-offset: 3px;
}

.chatbot-icon svg {
  width: 29px;
  height: 29px;
  transition:
    transform var(--t-base),
    opacity var(--t-fast);
}

.chatbot-icon .chatbot-icon-close {
  position: absolute;
  opacity: 0;
  transform: rotate(-90deg) scale(0.8);
}

.chatbot-root.chatbot-open .chatbot-icon .chatbot-icon-chat {
  opacity: 0;
  transform: rotate(90deg) scale(0.8);
}

.chatbot-root.chatbot-open .chatbot-icon .chatbot-icon-close {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

/* ─── Tooltip speech bubble ──────────────────────────────── */
.chatbot-tooltip {
  position: absolute;
  bottom: 8px;
  right: 82px;
  background: #fff;
  color: var(--c-deep);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.45;
  padding: 12px 17px;
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-md);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transform: translateX(8px);
  transition:
    opacity var(--t-base),
    visibility var(--t-base),
    transform var(--t-base);
  pointer-events: none;
}

.chatbot-tooltip::after {
  content: '';
  position: absolute;
  right: -6px;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  border-left: 6px solid #fff;
}

.chatbot-tooltip-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  margin-left: 10px;
  border-radius: 50%;
  background: var(--c-deep-12);
  color: var(--c-deep);
  font-size: 13px;
  cursor: pointer;
  border: none;
  vertical-align: middle;
  transition: background-color var(--t-fast);
  pointer-events: auto;
}

.chatbot-tooltip-close:hover {
  background: var(--c-deep-20);
}

.chatbot-root.chatbot-tooltip-visible .chatbot-tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
  pointer-events: auto;
}

/* Hide tooltip when panel is open */
.chatbot-root.chatbot-open .chatbot-tooltip {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/* ─── Chat panel ─────────────────────────────────────────── */
.chatbot-panel {
  position: absolute;
  bottom: 86px;
  right: 0;
  width: 456px;
  height: 624px;
  max-height: calc(100vh - 120px);
  background: var(--c-bg);
  border: 1px solid var(--c-deep-08);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px) scale(0.95);
  transform-origin: bottom right;
  transition:
    opacity var(--t-slow),
    visibility var(--t-slow),
    transform var(--t-slow);
}

.chatbot-root.chatbot-open .chatbot-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

/* ─── Panel header ───────────────────────────────────────── */
.chatbot-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 17px 20px;
  background: var(--c-deep);
  color: #fff;
  flex-shrink: 0;
}

.chatbot-header-title {
  font-family: var(--f-display);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
  flex: 1;
}

.chatbot-header-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--r-sm);
  background: transparent;
  color: rgba(255, 255, 255, 0.6);
  border: none;
  cursor: pointer;
  transition:
    background-color var(--t-fast),
    color var(--t-fast);
}

.chatbot-header-close:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.chatbot-header-close:focus-visible {
  outline: 2px solid var(--c-amber);
  outline-offset: -2px;
}

.chatbot-header-close svg {
  width: 19px;
  height: 19px;
}

/* ─── Messages area ──────────────────────────────────────── */
.chatbot-messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--sp-2) var(--sp-2) var(--sp-1);
  display: flex;
  flex-direction: column;
  gap: 10px;
  scroll-behavior: smooth;
}

/* Scrollbar styling */
.chatbot-messages::-webkit-scrollbar {
  width: 4px;
}

.chatbot-messages::-webkit-scrollbar-track {
  background: transparent;
}

.chatbot-messages::-webkit-scrollbar-thumb {
  background: var(--c-deep-12);
  border-radius: 2px;
}

/* Message bubbles */
.chatbot-msg {
  max-width: 85%;
  padding: 12px 17px;
  font-size: 17px;
  line-height: 1.55;
  border-radius: 17px;
  animation: chatbot-msg-in 0.3s cubic-bezier(0.4, 0, 0.2, 1) both;
}

@keyframes chatbot-msg-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.chatbot-msg-bot {
  align-self: flex-start;
  background: var(--c-deep-05);
  color: var(--c-deep);
  border-bottom-left-radius: 4px;
}

.chatbot-msg-user {
  align-self: flex-end;
  background: var(--c-deep);
  color: #fff;
  border-bottom-right-radius: 4px;
}

/* Links in bot messages */
.chatbot-msg-bot a {
  color: var(--c-amber);
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px solid var(--c-amber-30);
  transition: border-color var(--t-fast);
}

.chatbot-msg-bot a:hover {
  border-color: var(--c-amber);
}

/* ─── Typing indicator ───────────────────────────────────── */
.chatbot-typing {
  align-self: flex-start;
  display: flex;
  gap: 5px;
  padding: 14px 19px;
  background: var(--c-deep-05);
  border-radius: 14px;
  border-bottom-left-radius: 4px;
}

.chatbot-typing-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c-teal);
  animation: chatbot-bounce 1.2s infinite ease-in-out;
}

.chatbot-typing-dot:nth-child(2) {
  animation-delay: 0.15s;
}

.chatbot-typing-dot:nth-child(3) {
  animation-delay: 0.3s;
}

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

/* ─── Session limit message ──────────────────────────────── */
.chatbot-limit-msg {
  align-self: center;
  text-align: center;
  font-size: 12px;
  color: var(--c-mid);
  padding: 8px 16px;
  background: var(--c-deep-05);
  border-radius: var(--r-md);
  max-width: 90%;
  line-height: 1.5;
}

.chatbot-limit-msg a {
  color: var(--c-amber);
  font-weight: 500;
}

/* ─── Input bar ──────────────────────────────────────────── */
.chatbot-input-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-top: 1px solid var(--c-deep-08);
  background: #fff;
  flex-shrink: 0;
}

.chatbot-input {
  flex: 1;
  border: none;
  background: transparent;
  font-family: var(--f-body);
  font-size: 17px;
  color: var(--c-deep);
  padding: 6px 4px;
  outline: none;
  line-height: 1.4;
  min-width: 0;
}

.chatbot-input::placeholder {
  color: var(--c-deep-40);
}

.chatbot-send {
  width: 43px;
  height: 43px;
  border-radius: 50%;
  background: var(--c-amber);
  color: #fff;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition:
    transform var(--t-fast),
    box-shadow var(--t-base),
    opacity var(--t-base);
  box-shadow: 0 2px 8px rgba(200, 151, 58, 0.25);
}

.chatbot-send:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-amber);
}

.chatbot-send:active {
  transform: translateY(0);
}

.chatbot-send:focus-visible {
  outline: 2px solid var(--c-deep);
  outline-offset: 2px;
}

.chatbot-send:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.chatbot-send svg {
  width: 19px;
  height: 19px;
}

/* ─── Mobile backdrop ────────────────────────────────────── */
.chatbot-backdrop {
  display: none;
}

/* ─── Mobile responsive ──────────────────────────────────── */
@media (max-width: 480px) {
  .chatbot-root {
    bottom: 16px;
    right: 16px;
  }

  /* Hide tooltip on mobile */
  .chatbot-tooltip {
    display: none;
  }

  .chatbot-panel {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: 75vh;
    max-height: none;
    border-radius: var(--r-xl) var(--r-xl) 0 0;
    transform: translateY(100%);
    transform-origin: bottom center;
  }

  .chatbot-root.chatbot-open .chatbot-panel {
    transform: translateY(0);
  }

  .chatbot-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(30, 58, 63, 0.4);
    opacity: 0;
    visibility: hidden;
    transition:
      opacity var(--t-slow),
      visibility var(--t-slow);
    z-index: -1;
  }

  .chatbot-root.chatbot-open .chatbot-backdrop {
    opacity: 1;
    visibility: visible;
  }

  /* Hide floating icon button when panel is open — header X is sufficient */
  .chatbot-root.chatbot-open .chatbot-icon {
    display: none;
  }

  .chatbot-input {
    font-size: 16px; /* Prevent iOS zoom */
  }
}