/* ==========================================================================
   chat.css — Avocado Technology
   Prompt box, conversation box, bubbles, smart cards, floating panel.
   Read DESIGN.md sections 6 and 11 before editing.
   ========================================================================== */

/* --------------------------------------------------------------------------
   Prompt box (State 1 — default / typewriter state)
   -------------------------------------------------------------------------- */
.chat-widget {
  width: 100%;
  max-width: var(--max-width-prompt);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: box-shadow 0.3s, border-color 0.3s;
  cursor: text;
}

.chat-widget:focus-within {
  box-shadow: var(--shadow-lg);
  border-color: var(--green-border);
}

/* Typewriter display area */
.tw-display {
  padding: 1.25rem 1.25rem 0.5rem;
  min-height: 72px;
  cursor: text;
}

.tw-text {
  font-size: 0.9375rem;
  color: var(--muted);
  line-height: 1.6;
}

/* Real textarea (hidden until user clicks) */
.chat-real-input {
  display: none;
  width: 100%;
  padding: 1.25rem 1.25rem 0.5rem;
  border: none;
  outline: none;
  background: transparent;
  font-family: var(--font-primary);
  font-size: 0.9375rem;
  color: var(--fg);
  resize: none;
  min-height: 72px;
  line-height: 1.6;
}

.chat-real-input::placeholder { color: var(--muted); }

/* Bottom bar */
.chat-bottom {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 0.75rem 1rem 1rem;
}

.chat-send-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.chat-send-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--fg);
}

.chat-send-btn {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--primary);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.2s;
  flex-shrink: 0;
  cursor: pointer;
}

.chat-send-btn:hover { opacity: 0.85; }

.chat-send-btn svg {
  width: 1rem;
  height: 1rem;
  stroke: var(--primary-fg);
  fill: none;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* --------------------------------------------------------------------------
   Conversation box (State 3 — after first message sent)
   -------------------------------------------------------------------------- */
.chat-convo {
  display: none;
  width: 100%;
  max-width: var(--max-width-prompt);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

/* Messages area */
.chat-messages {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-height: 300px;
  overflow-y: auto;
  scroll-behavior: smooth;
}

.chat-messages::-webkit-scrollbar { width: 4px; }
.chat-messages::-webkit-scrollbar-track { background: transparent; }
.chat-messages::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

/* Message row */
.cmsg {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
}

.cmsg.user {
  flex-direction: row-reverse;
}

/* Avatars */
.chat-avatar {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6875rem;
  font-weight: 700;
  flex-shrink: 0;
}

.chat-avatar.ai {
  background: var(--green-light);
  color: var(--accent);
}

.chat-avatar.user {
  background: var(--primary);
  color: var(--primary-fg);
}

/* Bubbles */
.bubble {
  padding: 0.625rem 0.875rem;
  font-size: 0.875rem;
  line-height: 1.6;
  max-width: 85%;
  word-break: break-word;
}

.bubble.ai {
  background: hsl(40, 20%, 92%);
  border: 1px solid var(--border);
  border-radius: 4px 14px 14px 14px;
  color: var(--fg);
}

.bubble.user {
  background: var(--primary);
  color: var(--primary-fg);
  border-radius: 14px 4px 14px 14px;
}

/* Smart cards in chat responses */
.chat-cards-row {
  display: flex;
  gap: 0.625rem;
  flex-wrap: wrap;
  padding: 0 1.25rem 0.25rem;
}

.chat-smart-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.75rem 0.875rem;
  flex: 1;
  min-width: 130px;
  max-width: 160px;
  transition: border-color 0.2s, transform 0.2s;
  cursor: default;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.chat-smart-card:hover {
  border-color: var(--green-border);
  transform: translateY(-1px);
}

.chat-smart-card .sc-icon {
  font-size: 1.125rem;
  margin-bottom: 0.375rem;
}

.chat-smart-card .sc-name {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 0.125rem;
}

.chat-smart-card .sc-desc {
  font-size: 0.6875rem;
  color: var(--muted);
  line-height: 1.4;
}

/* DB-backed card media */
.chat-smart-card .sc-image {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: 0.5rem;
}

.chat-smart-card .sc-logo {
  display: block;
  width: 100%;
  height: 36px;
  object-fit: contain;
  object-position: center;
  margin-bottom: 0.5rem;
}

.chat-smart-card .sc-initials {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.5rem;
}

/* Browse button — appears below smart cards, scrolls to homepage section */
.chat-browse-row {
  padding: 0.125rem 1.25rem 0.625rem;
}

.chat-browse-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.3125rem;
  padding: 0.3125rem 0.875rem;
  background: var(--green-light);
  color: var(--accent);
  border: 1px solid var(--green-border);
  border-radius: 9999px;
  font-family: var(--font-primary);
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  line-height: 1;
}

.chat-browse-btn svg {
  flex-shrink: 0;
  transition: transform 0.2s;
}

.chat-browse-btn:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.chat-browse-btn:hover svg { transform: translateX(2px); }

/* Clickable smart card (product with live_url / client with website) */
.chat-smart-card--link {
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}

.chat-smart-card--link:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

/* Typing indicator */
.typing-ind {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0.375rem 0.625rem;
}

.typing-ind .td {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--muted);
}

@keyframes tdBounce {
  0%, 60%, 100% { transform: translateY(0); }
  30%           { transform: translateY(-5px); }
}

@media (prefers-reduced-motion: no-preference) {
  .typing-ind .td { animation: tdBounce 1.2s infinite; }
  .typing-ind .td:nth-child(2) { animation-delay: 0.2s; }
  .typing-ind .td:nth-child(3) { animation-delay: 0.4s; }
}

/* Conversation input bar */
.chat-convo-bar {
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 1rem;
  background: hsl(40, 20%, 94%);
}

.chat-convo-input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-family: var(--font-primary);
  font-size: 0.875rem;
  color: var(--fg);
  padding: 2px 0;
}

.chat-convo-input::placeholder { color: var(--muted); }

.chat-convo-send {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--primary);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: opacity 0.2s;
  cursor: pointer;
}

.chat-convo-send:hover { opacity: 0.85; }

.chat-convo-send svg {
  width: 14px;
  height: 14px;
  stroke: var(--primary-fg);
  fill: none;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* --------------------------------------------------------------------------
   Floating chat panel (every page)
   -------------------------------------------------------------------------- */

/* FAB — hidden by default; revealed when hero scrolls out of view via JS */
.chat-fab {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  height: 48px;
  border-radius: 9999px;
  padding: 0 1.125rem 0 0.875rem;
  gap: 0.5rem;
  background: var(--card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  z-index: 200;
  cursor: pointer;
  /* Hidden until .chat-fab--visible is added by JS */
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 0.3s, visibility 0.3s, transform 0.3s;
}

.chat-fab--visible {
  opacity: 1;
  visibility: visible;
  pointer-events: all;
  transform: translateY(0);
}

.chat-fab--visible:hover { transform: translateY(-2px); }

/* Avocado SVG icon inside FAB */
.chat-fab-icon {
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  filter: drop-shadow(0 1px 2px rgba(0,0,0,0.15));
}

/* "Chat with me" label */
.chat-fab-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--fg);
  white-space: nowrap;
  letter-spacing: 0.01em;
}

/* Notification badge — shown after first AI response */
.chat-fab-badge {
  position: absolute;
  top: -3px;
  right: -3px;
  width: 11px;
  height: 11px;
  background: hsl(10, 80%, 58%);
  border: 2px solid hsl(40, 30%, 97%);
  border-radius: 50%;
  animation: fabBadgePulse 2s ease-in-out infinite;
}

@keyframes fabBadgePulse {
  0%, 100% { transform: scale(1);   opacity: 1; }
  50%       { transform: scale(1.3); opacity: 0.8; }
}

.chat-panel {
  position: fixed;
  bottom: 5.5rem;
  right: 1.5rem;
  width: 320px;
  max-height: 460px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: 200;
  display: flex;
  flex-direction: column;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px) scale(0.97);
  transition: opacity 0.25s, transform 0.25s;
  overflow: hidden;
}

.chat-panel.open {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0) scale(1);
}

/* Panel header */
.chat-panel-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1rem;
  border-bottom: 1px solid var(--border);
  background: var(--card);
  flex-shrink: 0;
}

.chat-panel-title {
  flex: 1;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--fg);
}

.chat-panel-close {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: none;
  background: transparent;
  color: var(--muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s;
}

.chat-panel-close:hover { background: var(--border); }

/* Panel messages */
.chat-panel-messages {
  flex: 1;
  overflow-y: auto;
  padding: 0.875rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* Panel input */
.chat-panel-bar {
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem;
  background: hsl(40, 20%, 94%);
  flex-shrink: 0;
}

.chat-panel-input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-family: var(--font-primary);
  font-size: 0.875rem;
  color: var(--fg);
}

.chat-panel-input::placeholder { color: var(--muted); }

.chat-panel-send {
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  background: var(--primary);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: opacity 0.2s;
  flex-shrink: 0;
}

.chat-panel-send:hover { opacity: 0.85; }

.chat-panel-send svg {
  width: 12px;
  height: 12px;
  stroke: var(--primary-fg);
  fill: none;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* --------------------------------------------------------------------------
   Pulse dot (used in chat panel header)
   -------------------------------------------------------------------------- */
.chat-pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  display: inline-block;
  animation: fabBadgePulse 2.4s ease-in-out infinite;
}

/* --------------------------------------------------------------------------
   Panel-context overrides — cards and browse rows inside the floating panel
   have tighter padding to fit the narrower container.
   -------------------------------------------------------------------------- */
.chat-panel-messages .chat-cards-row {
  padding: 0 0 0.25rem;
  flex-wrap: wrap;
}

.chat-panel-messages .chat-browse-row {
  padding: 0.125rem 0 0.5rem;
}

.chat-panel-messages .chat-smart-card {
  min-width: 110px;
  max-width: 140px;
}

/* --------------------------------------------------------------------------
   Responsive — floating panel on mobile
   -------------------------------------------------------------------------- */
@media (max-width: 480px) {
  .chat-panel {
    width: calc(100vw - 2rem);
    left: 1rem;
    right: 1rem;
    bottom: 4.75rem;
    max-height: min(460px, 72vh);
  }

  .chat-fab {
    bottom: 1.25rem;
    right: 1rem;
    height: 44px;
    padding: 0 1rem 0 0.75rem;
  }
}