.ai-chat-panel {
  position: fixed;
  right: 24px;
  bottom: 288px;
  width: 320px;
  max-width: calc(100vw - 32px);
  max-height: 440px;
  display: flex;
  flex-direction: column;
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: 0 20px 50px rgba(4, 27, 71, 0.25);
  border: 1.5px solid var(--color-border);
  overflow: hidden;
  z-index: 901;
  transition: max-height 0.25s ease;
}
.ai-chat-panel.minimized {
  max-height: 60px;
}

.ai-chat-header {
  background: var(--gradient-primary);
  color: #fff;
  padding: 16px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.ai-chat-header strong { display: block; font-size: 15px; }
.ai-chat-header span { display: block; font-size: 12px; color: var(--color-accent); margin-top: 2px; }
.ai-chat-header-actions { display: flex; align-items: center; gap: 8px; }
.ai-chat-min,
.ai-chat-close {
  background: rgba(255,255,255,0.12);
  color: #fff;
  width: 28px; height: 28px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.2s ease;
}
.ai-chat-min:hover,
.ai-chat-close:hover { background: rgba(255,255,255,0.22); }

.ai-chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--color-bg);
}

.ai-chat-msg {
  max-width: 85%;
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 13.5px;
  line-height: 1.5;
}
.ai-chat-msg.bot {
  align-self: flex-start;
  background: #fff;
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-bottom-left-radius: 4px;
}
.ai-chat-msg.user {
  align-self: flex-end;
  background: var(--gradient-primary);
  color: #fff;
  border-bottom-right-radius: 4px;
}

.ai-chat-input-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px;
  border-top: 1px solid var(--color-border);
  background: #fff;
}
.ai-chat-input-row input {
  flex: 1;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1.5px solid var(--color-border);
  font-size: 13.5px;
  font-family: inherit;
}
.ai-chat-input-row input:focus { outline: none; border-color: var(--color-accent); }
.ai-chat-input-row button[type='submit'] {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}

@media (max-width: 600px) {
  .ai-chat-panel {
    right: 16px;
    bottom: 246px;
    width: calc(100vw - 32px);
  }
}