/* 会员中心 AI 助手 — 参考腾讯云 KiKi 控制台浮窗风格 */
#caia-root {
  --k-bg: #ffffff;
  --k-text: #1a1a1a;
  --k-text-2: #333333;
  --k-muted: #888888;
  --k-line: #ebebeb;
  --k-line-2: #e5e5e5;
  --k-shadow: 0 12px 48px rgba(0, 36, 100, 0.14);
  --k-tencent-blue: #006eff;
  --k-tencent-blue-hover: #0056d6;
  --k-orange: #ff7a45;
  --k-head-grad: linear-gradient(180deg, #e9f2ff 0%, #f4f0ff 42%, #ffffff 100%);
  --k-input-bg: #fafafa;
  --k-quick-bg: #ffffff;
  --k-msg-user: #006eff;
  --k-msg-assistant-bg: #f5f7fa;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  position: fixed;
  right: 16px;
  bottom: 20px;
  z-index: 10850;
  line-height: 1.5;
  font-size: 14px;
  color: var(--k-text);
  -webkit-font-smoothing: antialiased;
}

#caia-root.caia--dark {
  --k-bg: #1b2230;
  --k-text: #f0f2f5;
  --k-text-2: #e4e6eb;
  --k-muted: #9aa3b5;
  --k-line: rgba(255, 255, 255, 0.08);
  --k-line-2: rgba(255, 255, 255, 0.1);
  --k-shadow: 0 16px 56px rgba(0, 0, 0, 0.45);
  --k-tencent-blue: #3c89ff;
  --k-tencent-blue-hover: #5c9dff;
  --k-orange: #ff9a66;
  --k-head-grad: linear-gradient(180deg, #243047 0%, #1e2636 55%, #1b2230 100%);
  --k-input-bg: #252d3d;
  --k-quick-bg: #222a3a;
  --k-msg-user: #3c89ff;
  --k-msg-assistant-bg: #252d3d;
}

/* —— 右侧浮条 —— */
.caia-dock {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.caia-dock__rail {
  background: #ffffff;
  border-radius: 999px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08), 0 1px 3px rgba(0, 0, 0, 0.06);
  border: 1px solid rgba(0, 0, 0, 0.06);
  padding: 10px 7px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  align-items: center;
}

#caia-root.caia--dark .caia-dock__rail {
  background: var(--k-bg);
  border-color: var(--k-line);
  box-shadow: var(--k-shadow);
}

.caia-dock__btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background: transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #1a1a1a;
  position: relative;
  transition: background 0.12s ease, color 0.12s ease;
}

#caia-root.caia--dark .caia-dock__btn {
  color: #d5dbe8;
}

.caia-dock__btn:hover {
  background: rgba(0, 110, 255, 0.06);
  color: var(--k-tencent-blue);
}

.caia-dock__btn svg {
  width: 22px;
  height: 22px;
  stroke-width: 1.65;
}

.caia-dock__btn svg.caia-dock-ic {
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.caia-dock__badge::after {
  content: "";
  position: absolute;
  top: 7px;
  right: 7px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #ff4d4f;
  box-shadow: 0 0 0 2px var(--k-bg);
}

.caia-dock__avatar {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  border: 1px solid var(--k-line);
  box-shadow: var(--k-shadow);
  padding: 0;
  cursor: pointer;
  overflow: hidden;
  background: linear-gradient(145deg, #dbeafe 0%, #ede9fe 100%);
}

#caia-root.caia--dark .caia-dock__avatar {
  background: linear-gradient(145deg, #2d3a52 0%, #3a2d52 100%);
}

.caia-dock__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: 12px;
}

.caia-av-initial {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 16px;
  color: #1d4ed8;
  letter-spacing: -0.02em;
}

#caia-root.caia--dark .caia-av-initial {
  color: #93c5fd;
}

.caia-hero__av .caia-av-initial {
  font-size: 15px;
}

.caia-dock__toggle {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid var(--k-line);
  background: var(--k-bg);
  box-shadow: 0 2px 10px rgba(0, 36, 80, 0.08);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--k-muted);
}

.caia-dock--collapsed .caia-dock__rail {
  display: none;
}

.caia-dock--collapsed .caia-dock__avatar {
  display: none;
}

.caia-dock--collapsed .caia-dock__toggle svg {
  transform: rotate(180deg);
}

/* —— 主面板（KiKi）：固定尺寸 —— */
.caia-panel {
  position: absolute;
  right: 64px;
  bottom: 0;
  width: 384px;
  height: 568px;
  max-height: min(568px, calc(100vh - 36px));
  background: var(--k-bg);
  border-radius: 16px;
  box-shadow: var(--k-shadow);
  border: 1px solid var(--k-line);
  display: none;
  flex-direction: column;
  overflow: hidden;
  box-sizing: border-box;
}

#caia-root.caia-panel-open .caia-panel {
  display: flex;
}

.caia-panel__head {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 14px 10px 16px;
  background: var(--k-head-grad);
  border-bottom: 1px solid var(--k-line);
}

.caia-panel__badge {
  font-size: 11px;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.06);
  color: var(--k-muted);
  letter-spacing: 0.02em;
}

#caia-root.caia--dark .caia-panel__badge {
  background: rgba(255, 255, 255, 0.08);
  color: var(--k-muted);
}

.caia-panel__tools {
  display: flex;
  align-items: center;
  gap: 2px;
}

.caia-iconbtn {
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 10px;
  background: transparent;
  cursor: pointer;
  color: #5c6373;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.12s ease, color 0.12s ease;
}

#caia-root.caia--dark .caia-iconbtn {
  color: #b8c0d4;
}

.caia-iconbtn:hover {
  background: rgba(0, 110, 255, 0.08);
  color: var(--k-tencent-blue);
}

.caia-iconbtn svg {
  width: 20px;
  height: 20px;
  stroke-width: 1.65;
}

/* 面板顶栏三图标：细线、圆角端点，与 KiKi 参考图一致 */
.caia-panel__tools .caia-iconbtn svg.caia-head-ic {
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.caia-panel__tools .caia-iconbtn svg.caia-head-ic path[stroke="none"] {
  stroke: none !important;
}

.caia-panel__body {
  flex: 1;
  min-height: 0;
  overflow: hidden;
  padding: 16px 18px 10px;
  background: var(--k-bg);
  display: flex;
  flex-direction: column;
}

/* 问候区 */
.caia-hero {
  flex-shrink: 0;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 14px;
}

.caia-hero__av {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  flex-shrink: 0;
  overflow: hidden;
  background: linear-gradient(145deg, #bfdbfe 0%, #ddd6fe 100%);
  box-shadow: 0 2px 8px rgba(0, 80, 180, 0.12);
}

#caia-root.caia--dark .caia-hero__av {
  background: linear-gradient(145deg, #334155 0%, #4c3f69 100%);
  box-shadow: none;
}

.caia-hero__av img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.caia-hero__text {
  min-width: 0;
  flex: 1;
}

.caia-hero__h1 {
  margin: 0 0 4px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--k-text);
  letter-spacing: -0.01em;
}

.caia-hero__welcome {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--k-text-2);
}

.caia-hero__desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.55;
  color: var(--k-muted);
  font-weight: 400;
}

.caia-hero__desc:empty {
  display: none;
}

/* 已有对话时隐藏头像+欢迎语，仅作空状态 */
.caia-hero.caia-hero--hidden {
  display: none !important;
}

/* 已有对话时隐藏推荐问题（快捷提问） */
.caia-quick.caia-quick--hidden {
  display: none !important;
}

/* 快捷提问（白底细边框 + 橙色星标） */
.caia-quick {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 10px;
  max-height: 200px;
  overflow-y: auto;
}

.caia-quick__btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 14px;
  border-radius: 10px;
  border: 1px solid var(--k-line-2);
  background: var(--k-quick-bg);
  cursor: pointer;
  text-align: left;
  color: var(--k-text);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.4;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.02);
}

.caia-quick__btn:hover {
  border-color: rgba(0, 110, 255, 0.35);
  box-shadow: 0 2px 10px rgba(0, 110, 255, 0.08);
}

.caia-quick__spark {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
}

.caia-quick__txt {
  flex: 1;
  min-width: 0;
}

.caia-quick__arr {
  flex-shrink: 0;
  color: #c0c4cc;
  font-size: 18px;
  font-weight: 300;
  line-height: 1;
}

/* 对话消息 */
.caia-msgs {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 2px;
  -webkit-overflow-scrolling: touch;
}

.caia-msg--typing::after {
  content: "";
  display: inline-block;
  width: 2px;
  height: 1em;
  margin-left: 2px;
  vertical-align: -0.15em;
  background: var(--k-tencent-blue);
  animation: caia-caret 0.75s step-end infinite;
}

@keyframes caia-caret {
  50% {
    opacity: 0;
  }
}

.caia-msg {
  max-width: 100%;
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 13px;
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-word;
}

.caia-msg--user {
  align-self: flex-end;
  background: var(--k-msg-user);
  color: #ffffff;
  border-radius: 10px 10px 4px 10px;
  box-shadow: 0 2px 6px rgba(0, 110, 255, 0.25);
}

.caia-msg--assistant {
  align-self: stretch;
  background: var(--k-msg-assistant-bg);
  border: 1px solid var(--k-line);
  color: var(--k-text);
  border-radius: 10px 10px 10px 4px;
}

.caia-msg--err {
  align-self: stretch;
  background: #fff2f0;
  color: #cf1322;
  border: 1px solid #ffccc7;
}

#caia-root.caia--dark .caia-msg--err {
  background: rgba(207, 19, 34, 0.15);
  color: #ffa39e;
  border-color: rgba(255, 77, 79, 0.35);
}

/* 底部输入区 */
.caia-panel__foot {
  flex-shrink: 0;
  padding: 0 14px 14px;
  background: var(--k-bg);
}

.caia-compose {
  border: 1px solid var(--k-line-2);
  border-radius: 12px;
  background: var(--k-input-bg);
  padding: 10px 12px 8px;
}

.caia-ta {
  width: 100%;
  border: none;
  background: transparent;
  resize: none;
  min-height: 52px;
  max-height: 120px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--k-text);
  outline: none;
}

.caia-ta::placeholder {
  color: #b0b6c3;
}

#caia-root.caia--dark .caia-ta::placeholder {
  color: #6b7289;
}

.caia-compose__bar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
  padding-top: 6px;
  border-top: 1px solid var(--k-line);
}

.caia-compose__icon {
  width: 34px;
  height: 34px;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--k-muted);
  cursor: default;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  opacity: 0.65;
}

.caia-compose__icon svg {
  width: 18px;
  height: 18px;
  stroke-width: 1.6;
}

.caia-compose__mode::after {
  content: " \25BE";
  font-size: 10px;
  opacity: 0.75;
}

.caia-compose__sp {
  flex: 1;
  min-width: 4px;
}

.caia-send {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  background: #e8eaef;
  color: #b4b9c5;
  transition: background 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
}

.caia-send svg {
  width: 17px;
  height: 17px;
  stroke-width: 1.8;
}

.caia-send:not(:disabled) {
  background: var(--k-tencent-blue);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(0, 110, 255, 0.35);
}

.caia-send:not(:disabled):hover {
  background: var(--k-tencent-blue-hover);
}

.caia-send:disabled {
  cursor: not-allowed;
}

.caia-footrow {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-top: 10px;
  padding: 0 2px;
}

.caia-footrow__dis {
  font-size: 11px;
  line-height: 1.45;
  color: var(--k-muted);
  flex: 1;
  min-width: 0;
}

.caia-footrow__meta {
  font-size: 11px;
  line-height: 1.45;
  color: var(--k-muted);
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
}

/* —— 小屏 / 手机：面板靠右，叠在浮条图标之上（不占满、不靠死左边） —— */
@media (max-width: 640px) {
  #caia-root {
    right: max(10px, env(safe-area-inset-right, 0px));
    bottom: max(12px, env(safe-area-inset-bottom, 0px));
  }

  .caia-dock {
    position: relative;
    z-index: 1;
  }

  .caia-panel {
    position: fixed;
    left: auto;
    right: max(8px, env(safe-area-inset-right, 0px));
    bottom: max(12px, env(safe-area-inset-bottom, 0px));
    width: min(384px, calc(100vw - 20px));
    max-width: calc(100vw - 20px);
    margin: 0;
    z-index: 2;
    height: min(568px, calc(100vh - 100px - env(safe-area-inset-top, 0px) - env(safe-area-inset-bottom, 0px)));
    max-height: min(568px, calc(100vh - 100px - env(safe-area-inset-top, 0px) - env(safe-area-inset-bottom, 0px)));
  }
}

@media (max-width: 380px) {
  .caia-panel {
    width: min(384px, calc(100vw - 16px));
    max-width: calc(100vw - 16px);
    right: max(6px, env(safe-area-inset-right, 0px));
  }
}