/* AI Chat Assistant — Точка Открытий */
.ai-chat-fab {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 9999;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 3px solid #fff;
  background: linear-gradient(135deg, var(--primary, #145867), var(--primary-light, #2c8b9e));
  box-shadow: 0 8px 28px rgba(20, 88, 103, 0.35);
  cursor: pointer;
  padding: 0;
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.ai-chat-fab:hover {
  transform: scale(1.06);
  box-shadow: 0 12px 36px rgba(20, 88, 103, 0.45);
}

.ai-chat-fab img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ai-chat-fab.is-open {
  transform: scale(0.9);
  opacity: 0;
  pointer-events: none;
}

.ai-chat-panel {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 9998;
  width: min(380px, calc(100vw - 32px));
  height: min(520px, calc(100vh - 100px));
  display: flex;
  flex-direction: column;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: 0 16px 48px rgba(20, 88, 103, 0.2);
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px) scale(0.96);
  transition: opacity 0.28s ease, transform 0.28s ease, visibility 0.28s;
}

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

.ai-chat-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: linear-gradient(135deg, #145867, #2c8b9e);
  color: #fff;
}

.ai-chat-header-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.5);
  overflow: hidden;
  flex-shrink: 0;
}

.ai-chat-header-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ai-chat-header-info h3 {
  margin: 0;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  font-weight: 700;
}

.ai-chat-header-info p {
  margin: 2px 0 0;
  font-size: 0.78rem;
  opacity: 0.9;
}

.ai-chat-close {
  margin-left: auto;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  transition: background 0.2s;
}

.ai-chat-close:hover {
  background: rgba(255, 255, 255, 0.35);
}

.ai-chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: linear-gradient(180deg, #fafbfc 0%, #f0f4f6 100%);
}

.ai-chat-msg {
  max-width: 88%;
  padding: 10px 14px;
  border-radius: 16px;
  font-size: 0.9rem;
  line-height: 1.45;
  word-wrap: break-word;
}

.ai-chat-msg.bot {
  align-self: flex-start;
  background: #fff;
  border: 1px solid #e8ecf0;
  border-bottom-left-radius: 4px;
  color: #0a0f14;
}

.ai-chat-msg.user {
  align-self: flex-end;
  background: linear-gradient(135deg, #145867, #2c8b9e);
  color: #fff;
  border-bottom-right-radius: 4px;
}

.ai-chat-msg.typing {
  opacity: 0.7;
  font-style: italic;
}

.ai-chat-msg a {
  color: #145867;
  font-weight: 600;
  text-decoration: underline;
}

.ai-chat-msg.user a {
  color: #fff;
}

.ai-chat-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 0 16px 10px;
  background: #f0f4f6;
}

.ai-chat-quick button {
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid rgba(20, 88, 103, 0.2);
  background: #fff;
  color: #145867;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}

.ai-chat-quick button:hover {
  background: #e8f4f6;
  border-color: #145867;
}

.ai-chat-input-wrap {
  display: flex;
  gap: 8px;
  padding: 12px 14px;
  border-top: 1px solid #e8ecf0;
  background: #fff;
}

.ai-chat-input-wrap input {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid #dde3ea;
  border-radius: 12px;
  font: inherit;
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s;
}

.ai-chat-input-wrap input:focus {
  border-color: #2c8b9e;
}

.ai-chat-send {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: none;
  background: linear-gradient(135deg, #145867, #2c8b9e);
  color: #fff;
  font-size: 1.1rem;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.2s;
}

.ai-chat-send:hover:not(:disabled) {
  transform: scale(1.05);
}

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

@media (max-width: 480px) {
  .ai-chat-fab {
    right: 16px;
    bottom: 16px;
    width: 56px;
    height: 56px;
  }

  .ai-chat-panel {
    right: 8px;
    bottom: 8px;
    width: calc(100vw - 16px);
    height: calc(100vh - 80px);
    border-radius: 16px;
  }
}