/* Widget de chat — Agente Garen TechBuy + Contatos */

#garen-chat-root {
  --chat-primary: oklch(78% 0.16 195);
  --chat-primary-fg: oklch(15% 0.03 240);
  --chat-bg: oklch(21% 0.028 240);
  --chat-bg-deep: oklch(16% 0.025 240);
  --chat-border: oklch(30% 0.02 240);
  --chat-muted: oklch(68% 0.02 240);
  --chat-user: oklch(78% 0.16 195 / 0.15);
  font-family: "Inter", system-ui, sans-serif;
  position: fixed;
  right: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
  bottom: auto;
  left: auto;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.5rem;
}

#garen-chat-wrapper {
  position: relative;
  width: -moz-fit-content;
  width: fit-content;
}

#garen-chat-toggle {
  display: grid;
  place-items: center;
  width: 3.5rem;
  height: 3.5rem;
  border: none;
  border-radius: 9999px;
  background: #ffffff;
  color: var(--chat-primary-fg);
  cursor: pointer;
  position: relative;
  box-shadow: 0 0 40px -8px oklch(78% 0.16 195 / 0.5);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

#garen-chat-toggle:hover {
  transform: scale(1.08);
}

#garen-chat-toggle:hover .garen-tooltip {
  opacity: 1;
  visibility: visible;
}

#garen-chat-toggle .garen-tooltip {
  position: absolute;
  right: calc(100% + 0.75rem);
  top: 50%;
  transform: translateY(-50%);
  white-space: nowrap;
  background: var(--chat-bg);
  color: oklch(90% 0.01 240);
  padding: 0.5rem 0.875rem;
  border-radius: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 500;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
  border: 1px solid var(--chat-border);
  font-family: "Inter", system-ui, sans-serif;
}

#garen-chat-toggle svg {
  width: 1.5rem;
  height: 1.5rem;
}

#garen-chat-panel {
  display: none;
  flex-direction: column;
  position: absolute;
  right: calc(100% + 0.75rem);
  top: 50%;
  transform: translateY(-50%);
  bottom: auto;
  left: auto;
  width: min(380px, calc(100vw - 2rem));
  height: min(520px, calc(100vh - 8rem));
  background: var(--chat-bg);
  border: 1px solid var(--chat-border);
  border-radius: 1rem;
  box-shadow: 0 20px 60px -15px oklch(5% 0.03 240 / 0.8);
  overflow: hidden;
}

#garen-chat-panel.open {
  display: flex;
  animation: chatSlideUp 0.25s ease;
}

@keyframes chatSlideUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.garen-chat-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: var(--chat-bg-deep);
  border-bottom: 1px solid var(--chat-border);
}

.garen-chat-avatar {
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.625rem;
  background: linear-gradient(135deg, oklch(78% 0.16 195), oklch(72% 0.18 220));
  color: var(--chat-primary-fg);
  font-weight: 700;
  font-size: 0.75rem;
  flex-shrink: 0;
}

.garen-chat-header-info h3 {
  font-size: 0.9375rem;
  font-weight: 600;
  color: oklch(97% 0.005 240);
  margin: 0;
}

.garen-chat-header-info p {
  font-size: 0.75rem;
  color: var(--chat-muted);
  margin: 0.125rem 0 0;
}

.garen-chat-close {
  margin-left: auto;
  background: none;
  border: none;
  color: var(--chat-muted);
  cursor: pointer;
  padding: 0.25rem;
  border-radius: 0.375rem;
  line-height: 0;
}

.garen-chat-close:hover {
  color: oklch(97% 0.005 240);
  background: oklch(26% 0.03 240);
}

#garen-chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.garen-chat-msg {
  max-width: 88%;
  padding: 0.625rem 0.875rem;
  border-radius: 0.875rem;
  font-size: 0.875rem;
  line-height: 1.5;
  word-wrap: break-word;
}

.garen-chat-msg.user {
  align-self: flex-end;
  background: var(--chat-user);
  color: oklch(97% 0.005 240);
  border-bottom-right-radius: 0.25rem;
}

.garen-chat-msg.assistant {
  align-self: flex-start;
  background: oklch(26% 0.03 240);
  color: oklch(90% 0.01 240);
  border-bottom-left-radius: 0.25rem;
}

.garen-chat-msg.assistant a {
  color: var(--chat-primary);
  text-decoration: underline;
}

.garen-chat-typing {
  align-self: flex-start;
  display: flex;
  gap: 0.25rem;
  padding: 0.75rem 1rem;
  background: oklch(26% 0.03 240);
  border-radius: 0.875rem;
}

.garen-chat-typing span {
  width: 0.375rem;
  height: 0.375rem;
  border-radius: 50%;
  background: var(--chat-muted);
  animation: chatDot 1.2s infinite;
}

.garen-chat-typing span:nth-child(2) { animation-delay: 0.2s; }
.garen-chat-typing span:nth-child(3) { animation-delay: 0.4s; }

@keyframes chatDot {
  0%, 60%, 100% { opacity: 0.3; transform: scale(0.8); }
  30% { opacity: 1; transform: scale(1); }
}

.garen-chat-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  padding: 0 1rem 0.75rem;
}

.garen-chat-suggestions button {
  font-size: 0.75rem;
  padding: 0.375rem 0.625rem;
  border-radius: 9999px;
  border: 1px solid var(--chat-border);
  background: transparent;
  color: var(--chat-muted);
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}

.garen-chat-suggestions button:hover {
  border-color: var(--chat-primary);
  color: var(--chat-primary);
}

#garen-chat-form {
  display: flex;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--chat-border);
  background: var(--chat-bg-deep);
}

#garen-chat-input {
  flex: 1;
  padding: 0.625rem 0.875rem;
  border: 1px solid var(--chat-border);
  border-radius: 0.625rem;
  background: var(--chat-bg);
  color: oklch(97% 0.005 240);
  font-size: 0.875rem;
  outline: none;
  resize: none;
  font-family: inherit;
  max-height: 80px;
}

#garen-chat-input:focus {
  border-color: var(--chat-primary);
}

#garen-chat-input::placeholder {
  color: var(--chat-muted);
}

#garen-chat-send {
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  border: none;
  border-radius: 0.625rem;
  background: var(--chat-primary);
  color: var(--chat-primary-fg);
  cursor: pointer;
  flex-shrink: 0;
  align-self: flex-end;
  transition: opacity 0.15s;
}

#garen-chat-send:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

#garen-chat-send svg {
  width: 1.125rem;
  height: 1.125rem;
}

.garen-contact-btn {
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  border: none;
  border-radius: 9999px;
  cursor: pointer;
  position: relative;
  box-shadow: 0 2px 12px -4px oklch(5% 0.03 240 / 0.5);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  font-size: 0.8125rem;
  font-weight: 700;
  font-family: "Inter", system-ui, sans-serif;
  text-decoration: none;
  flex-shrink: 0;
}

.garen-contact-btn:hover {
  transform: scale(1.08);
}

.garen-contact-btn:hover .garen-tooltip {
  opacity: 1;
  visibility: visible;
}

.garen-contact-btn .garen-tooltip {
  position: absolute;
  right: calc(100% + 0.75rem);
  top: 50%;
  transform: translateY(-50%);
  white-space: nowrap;
  background: var(--chat-bg);
  color: oklch(90% 0.01 240);
  padding: 0.5rem 0.875rem;
  border-radius: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 500;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
  border: 1px solid var(--chat-border);
  font-family: "Inter", system-ui, sans-serif;
}

@media (max-width: 480px) {
  #garen-chat-root {
    right: 1rem;
  }

  #garen-chat-panel {
    right: calc(100% + 0.75rem);
    width: calc(100vw - 2rem);
    height: min(480px, calc(100vh - 7rem));
  }

  .garen-contact-btn {
    width: 2.5rem;
    height: 2.5rem;
    font-size: 0.75rem;
  }
}