.chat-widget {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 10000;
  font-family: var(--font-sans);
  cursor: auto;
}

.chat-toggle {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 32px var(--glow);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.chat-toggle:hover {
  transform: scale(1.06);
  box-shadow: 0 12px 40px var(--glow);
}

.chat-toggle__icon {
  width: 1.5rem;
  height: 1.5rem;
  transition: opacity 0.2s, transform 0.2s;
}

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

.chat-widget.is-open .chat-toggle__icon--open {
  opacity: 0;
  transform: rotate(90deg) scale(0.8);
}

.chat-widget.is-open .chat-toggle__icon--close {
  opacity: 1;
  transform: rotate(0) scale(1);
}

.chat-panel {
  position: absolute;
  bottom: calc(3.5rem + 1rem);
  right: 0;
  width: min(380px, calc(100vw - 2rem));
  height: min(520px, calc(100vh - 8rem));
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-lg);
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px) scale(0.96);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.35);
}

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

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

.chat-panel__avatar {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.chat-panel__title {
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.3;
}

.chat-panel__subtitle {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  scroll-behavior: smooth;
}

.chat-message {
  max-width: 88%;
  padding: 0.65rem 0.9rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  line-height: 1.5;
  word-break: break-word;
}

.chat-message--bot {
  align-self: flex-start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-bottom-left-radius: 4px;
}

.chat-message--user {
  align-self: flex-end;
  background: linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent) 80%, var(--accent-2)));
  color: #fff;
  border-bottom-right-radius: 4px;
}

.chat-message--typing {
  display: flex;
  gap: 4px;
  padding: 0.75rem 1rem;
}

.chat-message--typing span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-muted);
  animation: chat-typing 1.2s infinite ease-in-out;
}

.chat-message--typing span:nth-child(2) { animation-delay: 0.15s; }
.chat-message--typing span:nth-child(3) { animation-delay: 0.3s; }

@keyframes chat-typing {
  0%, 60%, 100% { opacity: 0.3; transform: translateY(0); }
  30% { opacity: 1; transform: translateY(-4px); }
}

.chat-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 0 1rem 0.75rem;
}

.chat-suggestion {
  font-size: 0.75rem;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-muted);
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}

.chat-suggestion:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.chat-form {
  display: flex;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--border);
}

.chat-input {
  flex: 1;
  padding: 0.6rem 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  outline: none;
  transition: border-color 0.2s;
}

.chat-input:focus {
  border-color: var(--accent);
}

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

.chat-send {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-sm);
  border: none;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.2s, opacity 0.2s;
}

.chat-send:hover:not(:disabled) {
  background: color-mix(in srgb, var(--accent) 85%, #fff);
}

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

.chat-send svg {
  width: 1.1rem;
  height: 1.1rem;
}

@media (max-width: 480px) {
  .chat-widget {
    bottom: 1rem;
    right: 1rem;
  }

  .chat-panel {
    width: calc(100vw - 2rem);
    height: min(480px, calc(100vh - 6rem));
  }
}