/* ===== 青松设计智能客服 Widget 样式 ===== */
/* 配色：黑 #0D0D0D / 红 #C41E3A / 金 #D4A843 / 白 #FFFFFF */

.qs-chat-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #D4A843;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(0,0,0,0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s, box-shadow 0.2s;
}
.qs-chat-btn:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 24px rgba(0,0,0,0.35);
}
.qs-chat-btn svg {
  width: 28px;
  height: 28px;
  fill: #0D0D0D;
}

.qs-chat-window {
  position: fixed;
  bottom: 96px;
  right: 24px;
  z-index: 9998;
  width: 380px;
  height: 520px;
  background: #FFFFFF;
  border-radius: 16px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.2);
  display: none;
  flex-direction: column;
  overflow: hidden;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
}
.qs-chat-window.open {
  display: flex;
}

/* 头部 */
.qs-chat-header {
  background: linear-gradient(135deg, #0D0D0D, #1a1a1a);
  color: #D4A843;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}
.qs-chat-header-left {
  display: flex;
  align-items: center;
  gap: 10px;
}
.qs-chat-logo {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
}
.qs-chat-title {
  font-size: 15px;
  font-weight: 600;
  color: #FFF;
}
.qs-chat-subtitle {
  font-size: 11px;
  color: #999;
}
.qs-chat-close {
  background: none;
  border: none;
  color: #999;
  font-size: 20px;
  cursor: pointer;
  line-height: 1;
  padding: 0 4px;
  transition: color 0.15s;
}
.qs-chat-close:hover {
  color: #FFF;
}

/* 消息区 */
.qs-chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  background: #F5F5F7;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.qs-chat-messages::-webkit-scrollbar {
  width: 4px;
}
.qs-chat-messages::-webkit-scrollbar-thumb {
  background: #CCC;
  border-radius: 2px;
}

/* 消息气泡 */
.qs-msg {
  max-width: 82%;
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 14px;
  line-height: 1.55;
  word-break: break-word;
  animation: qs-fadeIn 0.25s ease;
}
@keyframes qs-fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.qs-msg-user {
  align-self: flex-end;
  background: #D4A843;
  color: #0D0D0D;
  border-bottom-right-radius: 4px;
}
.qs-msg-agent {
  align-self: flex-start;
  background: #FFFFFF;
  color: #1D1D1F;
  border-bottom-left-radius: 4px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

.qs-msg-typing {
  align-self: flex-start;
  background: #FFFFFF;
  color: #999;
  padding: 10px 16px;
  border-radius: 14px;
  border-bottom-left-radius: 4px;
  font-size: 13px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
  animation: qs-pulse 1.4s infinite;
}
@keyframes qs-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* 输入区 */
.qs-chat-input-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-top: 1px solid #E5E5E7;
  background: #FFF;
  flex-shrink: 0;
}
.qs-chat-input {
  flex: 1;
  border: 1px solid #DDD;
  border-radius: 22px;
  padding: 10px 16px;
  font-size: 14px;
  outline: none;
  transition: border-color 0.15s;
  background: #F9F9FB;
}
.qs-chat-input:focus {
  border-color: #D4A843;
}
.qs-chat-send {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: none;
  background: #D4A843;
  color: #0D0D0D;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s;
  flex-shrink: 0;
}
.qs-chat-send:hover {
  background: #C4942E;
}
.qs-chat-send:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.qs-chat-send svg {
  width: 18px;
  height: 18px;
}

/* 移动端适配 */
@media (max-width: 480px) {
  .qs-chat-window {
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    border-radius: 0;
    position: fixed;
  }
  .qs-chat-btn {
    bottom: 16px;
    right: 16px;
    width: 50px;
    height: 50px;
  }
}