#aicsa-chat-root {
  --aicsa-primary: #ffc400;
  --aicsa-primary-strong: #f5b700;
  --aicsa-ink: #211714;
  --aicsa-text: #2a211e;
  --aicsa-muted: #786f67;
  --aicsa-line: rgba(33, 23, 20, 0.12);
  --aicsa-glass: rgba(255, 252, 245, 0.78);
  --aicsa-surface: rgba(255, 255, 255, 0.86);
  --aicsa-soft: #fff8e8;
  --aicsa-warm: #fffbf2;
  color: var(--aicsa-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
}

.aicsa-widget,
.aicsa-widget * {
  box-sizing: border-box;
}

.aicsa-widget {
  position: fixed;
  right: 24px;
  top: 50%;
  z-index: 999999;
  transform: translateY(-50%);
}

.aicsa-launcher {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  border: 3px solid rgba(255, 255, 255, 0.88);
  border-radius: 50%;
  padding: 0;
  color: var(--aicsa-ink);
  background: var(--aicsa-primary);
  box-shadow: 0 16px 34px rgba(73, 51, 0, 0.24), 0 0 0 7px rgba(255, 196, 0, 0.14), inset 0 1px 0 rgba(255, 255, 255, 0.72);
  cursor: pointer;
  font: inherit;
}

.aicsa-launcher:hover {
  filter: brightness(0.96);
}

.aicsa-launcher-icon,
.aicsa-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  color: var(--aicsa-ink);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9), 0 6px 14px rgba(86, 58, 0, 0.18);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  overflow: hidden;
}

.aicsa-launcher-icon {
  width: 62px;
  height: 62px;
}

.aicsa-launcher-icon img,
.aicsa-avatar img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.aicsa-launcher-text {
  display: none;
  font-size: 15px;
  font-weight: 700;
  white-space: nowrap;
}

.aicsa-panel {
  width: min(390px, calc(100vw - 36px));
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.62);
  border-radius: 18px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.86), rgba(255, 248, 232, 0.74));
  box-shadow: 0 24px 64px rgba(33, 23, 20, 0.2), 0 6px 20px rgba(255, 196, 0, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(18px);
}

.aicsa-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  padding: 12px 14px;
  color: var(--aicsa-ink);
  background: linear-gradient(135deg, rgba(255, 196, 0, 0.94), rgba(255, 232, 138, 0.9));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.72);
}

.aicsa-brand {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 10px;
  border: 0;
  padding: 0;
  color: inherit;
  background: transparent;
  text-align: left;
  font: inherit;
}

.aicsa-brand:disabled {
  cursor: default;
}

.aicsa-title-wrap {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 2px;
}

.aicsa-title {
  overflow: hidden;
  color: var(--aicsa-ink);
  font-size: 16px;
  font-weight: 750;
  line-height: 1.2;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.aicsa-subtitle {
  overflow: hidden;
  max-width: 210px;
  color: rgba(33, 23, 20, 0.72);
  font-size: 12px;
  line-height: 1.25;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.aicsa-actions {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 5px;
}

.aicsa-icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border: 1px solid rgba(33, 23, 20, 0.12);
  border-radius: 50%;
  color: var(--aicsa-ink);
  background: rgba(255, 255, 255, 0.46);
  cursor: pointer;
  font: inherit;
  font-size: 14px;
  line-height: 1;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.72);
}

.aicsa-icon-button svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.aicsa-icon-button:hover {
  background: rgba(255, 255, 255, 0.72);
}

.aicsa-body {
  display: flex;
  height: 520px;
  max-height: min(620px, calc(100vh - 130px));
  flex-direction: column;
  background: linear-gradient(180deg, rgba(255, 251, 242, 0.72), rgba(255, 248, 232, 0.9));
}

.aicsa-message-list {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 18px 16px;
}

.aicsa-message {
  display: flex;
  margin-bottom: 12px;
}

.aicsa-message-user {
  justify-content: flex-end;
}

.aicsa-message-bubble {
  max-width: 84%;
  border: 1px solid rgba(33, 23, 20, 0.1);
  border-radius: 14px;
  padding: 11px 13px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--aicsa-text);
  box-shadow: 0 8px 22px rgba(33, 23, 20, 0.06), inset 0 1px 0 rgba(255, 255, 255, 0.76);
  backdrop-filter: blur(12px);
  font-size: 14px;
  line-height: 1.58;
  white-space: pre-wrap;
  word-break: break-word;
}

.aicsa-message-user .aicsa-message-bubble {
  border-color: rgba(255, 196, 0, 0.72);
  color: var(--aicsa-ink);
  background: linear-gradient(135deg, rgba(255, 196, 0, 0.96), rgba(255, 226, 112, 0.92));
  box-shadow: 0 10px 22px rgba(127, 87, 0, 0.16), inset 0 1px 0 rgba(255, 255, 255, 0.62);
}

.aicsa-message-error .aicsa-message-bubble {
  border-color: #f4c7c3;
  color: #8a1f11;
  background: #fff5f3;
}

.aicsa-typing {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  border: 1px solid var(--aicsa-line);
  border-radius: 14px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.76);
}

.aicsa-typing span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  animation: aicsaPulse 1s infinite ease-in-out;
  background: var(--aicsa-primary-strong);
}

.aicsa-typing span:nth-child(2) {
  animation-delay: 0.15s;
}

.aicsa-typing span:nth-child(3) {
  animation-delay: 0.3s;
}

@keyframes aicsaPulse {
  0%,
  80%,
  100% {
    opacity: 0.35;
    transform: translateY(0);
  }
  40% {
    opacity: 1;
    transform: translateY(-3px);
  }
}

.aicsa-error {
  border-top: 1px solid #f4c7c3;
  padding: 8px 14px;
  color: #8a1f11;
  background: #fff5f3;
  font-size: 12px;
  line-height: 1.4;
}

.aicsa-input-row {
  display: flex;
  gap: 10px;
  border-top: 1px solid rgba(33, 23, 20, 0.1);
  padding: 12px;
  background: rgba(255, 255, 255, 0.64);
  backdrop-filter: blur(14px);
}

.aicsa-voice-input {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: flex-end;
  flex: 0 0 auto;
  width: 44px;
  min-height: 44px;
  border: 1px solid rgba(33, 23, 20, 0.13);
  border-radius: 14px;
  color: var(--aicsa-ink);
  background: rgba(255, 255, 255, 0.76);
  cursor: pointer;
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.66);
}

.aicsa-voice-input svg {
  display: block;
  width: 19px;
  height: 19px;
  fill: currentColor;
}

.aicsa-voice-input.is-listening {
  border-color: var(--aicsa-primary);
  background: #fff1af;
  box-shadow: 0 0 0 3px rgba(255, 196, 0, 0.22);
}

.aicsa-voice-input:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.aicsa-input {
  min-height: 44px;
  max-height: 112px;
  flex: 1 1 auto;
  resize: vertical;
  border: 1px solid rgba(33, 23, 20, 0.13);
  border-radius: 14px;
  padding: 10px 11px;
  color: var(--aicsa-text);
  background: rgba(255, 255, 255, 0.76);
  font: inherit;
  font-size: 14px;
  line-height: 1.45;
  outline: none;
}

.aicsa-input:focus {
  border-color: var(--aicsa-primary);
  box-shadow: 0 0 0 3px rgba(255, 196, 0, 0.22);
}

.aicsa-send {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: flex-end;
  width: 44px;
  min-width: 44px;
  min-height: 44px;
  border: 0;
  border-radius: 50%;
  padding: 0;
  color: var(--aicsa-ink);
  background: linear-gradient(135deg, var(--aicsa-primary), #ffdd54);
  box-shadow: 0 10px 18px rgba(127, 87, 0, 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.66);
  cursor: pointer;
  font: inherit;
  font-size: 14px;
  font-weight: 700;
}

.aicsa-send svg {
  display: block;
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.aicsa-send:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

@media (max-width: 900px) {
  .aicsa-widget {
    right: 18px;
  }

  .aicsa-panel {
    width: min(390px, calc(100vw - 36px));
  }

  .aicsa-body {
    height: min(520px, calc(100vh - 120px));
    max-height: calc(100vh - 120px);
  }
}

@media (max-width: 640px) {
  .aicsa-widget {
    right: 12px;
    top: auto;
    bottom: 14px;
    transform: none;
  }

  .aicsa-launcher {
    width: 66px;
    height: 66px;
    border-radius: 50%;
  }

  .aicsa-launcher-icon {
    width: 56px;
    height: 56px;
  }

  .aicsa-widget.is-open {
    right: 10px;
    bottom: 10px;
    left: auto;
  }

  .aicsa-panel {
    width: min(370px, calc(100vw - 20px));
    border: 1px solid rgba(255, 255, 255, 0.62);
    border-radius: 16px;
  }

  .aicsa-body {
    height: min(68vh, 540px);
    max-height: calc(100vh - 112px);
  }

  .aicsa-message-list {
    padding: 16px 12px;
  }

  .aicsa-input-row {
    gap: 8px;
    padding: 10px;
  }

  .aicsa-subtitle {
    max-width: 150px;
  }

  .aicsa-voice-input {
    width: 42px;
    min-height: 42px;
  }

  .aicsa-input {
    min-height: 42px;
    font-size: 13px;
  }

  .aicsa-send {
    width: 42px;
    min-width: 42px;
    min-height: 42px;
  }

}