.wecom-internal-chatbot {
  --wecom-internal-primary: #0f4c81;
  --wecom-internal-on-primary: #ffffff;
  --wecom-internal-bg: #ffffff;
  --wecom-internal-text: #17212f;
  --wecom-internal-muted: #eef3f8;
  --wecom-internal-desktop-bottom: 100px;
  --wecom-internal-desktop-side: 20px;
  --wecom-internal-mobile-bottom: 10px;
  --wecom-internal-mobile-side: 10px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  box-sizing: border-box;
}

.wecom-internal-chatbot,
.wecom-internal-chatbot * {
  box-sizing: border-box;
}

.wecom-internal-chatbot.wecom-internal-chatbot-theme-adzif {
  --wecom-internal-primary: #0b1f4f;
  --wecom-internal-bg: #ffffff;
  --wecom-internal-text: #17212f;
  --wecom-internal-muted: #f4f7fd;
}

.wecom-internal-chatbot.wecom-internal-chatbot-theme-adzif .wecom-internal-chatbot-header {
  background: #ffffff;
  border-bottom-color: #dce5f3;
}

.wecom-internal-chatbot.wecom-internal-chatbot-theme-adzif .wecom-internal-chatbot-messages {
  background: #f8faff;
}

.wecom-internal-chatbot.wecom-internal-chatbot-theme-adzif .wecom-internal-msg-bot {
  border: 1px solid #dce5f3;
  background: #eef3fb;
}

.wecom-internal-chatbot.wecom-internal-chatbot-theme-adzif .wecom-internal-chatbot-toggle {
  border-radius: 14px;
}

.wecom-internal-chatbot.wecom-internal-chatbot-theme-iziprint {
  --wecom-internal-primary: #1f2937;
  --wecom-internal-bg: #ffffff;
  --wecom-internal-text: #111827;
  --wecom-internal-muted: #f3f4f6;
}

.wecom-internal-chatbot.wecom-internal-chatbot-theme-iziprint .wecom-internal-chatbot-header {
  background: #ffffff;
  border-bottom-color: #e5e7eb;
}

.wecom-internal-chatbot.wecom-internal-chatbot-theme-iziprint .wecom-internal-chatbot-messages {
  background: #fafafa;
}

.wecom-internal-chatbot-floating {
  position: fixed;
  right: var(--wecom-internal-desktop-side);
  bottom: var(--wecom-internal-desktop-bottom);
  z-index: 99999;
  display: flex;
  align-items: flex-end;
}

.wecom-internal-chatbot-floating.wecom-internal-chatbot-pos-left {
  left: var(--wecom-internal-desktop-side);
  right: auto;
}

.wecom-internal-chatbot-floating.wecom-internal-chatbot-pos-right {
  right: var(--wecom-internal-desktop-side);
  left: auto;
}

.wecom-internal-chatbot-toggle,
.wecom-internal-chatbot-form button,
.wecom-internal-chatbot-handoff-submit {
  background: var(--wecom-internal-primary);
  color: var(--wecom-internal-on-primary);
  border: 0;
  border-radius: 8px;
  padding: 10px 12px;
  cursor: pointer;
}

.wecom-internal-chatbot-toggle {
  position: relative;
  border-radius: 16px;
  padding: 12px 16px;
  font-weight: 600;
  box-shadow: 0 10px 24px rgba(15, 76, 129, 0.18);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
  animation: wecom-internal-launcher-breathe 2.8s ease-in-out infinite;
}

.wecom-internal-chatbot-toggle:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 28px rgba(15, 76, 129, 0.24);
}

.wecom-internal-chatbot-open .wecom-internal-chatbot-toggle {
  animation: none;
}

@keyframes wecom-internal-launcher-breathe {
  0%,
  100% {
    transform: translateY(0);
    box-shadow: 0 10px 24px rgba(15, 76, 129, 0.18);
  }
  50% {
    transform: translateY(-2px);
    box-shadow: 0 14px 30px rgba(15, 76, 129, 0.24);
  }
}

.wecom-internal-chatbot-panel {
  width: 380px;
  height: 700px;
  max-height: calc(100vh - 40px);
  max-height: calc(100dvh - 40px);
  background: var(--wecom-internal-bg);
  border: 1px solid #d6deea;
  border-radius: 12px;
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.15);
  margin-top: 10px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.wecom-internal-chatbot-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px;
  border-bottom: 1px solid #e4ebf5;
}

.wecom-internal-chatbot-close {
  background: transparent;
  border: 0;
  cursor: pointer;
  font-size: 18px;
}

.wecom-chat-embed-mode .wecom-internal-chatbot-close {
  display: none !important;
}

.wecom-internal-chatbot-messages {
  flex: 1;
  min-height: 96px;
  overflow-y: auto;
  padding: 12px;
  background: #f9fbff;
}

.wecom-internal-msg {
  max-width: 86%;
  padding: 9px 12px;
  border-radius: 10px;
  margin-bottom: 10px;
  line-height: 1.35;
  white-space: pre-wrap;
  word-wrap: break-word;
}

.wecom-internal-msg-user {
  margin-left: auto;
  background: var(--wecom-internal-primary);
  color: var(--wecom-internal-on-primary);
}

.wecom-internal-msg-bot {
  margin-right: auto;
  background: var(--wecom-internal-muted);
  color: var(--wecom-internal-text);
}

.wecom-internal-msg-link {
  color: var(--wecom-internal-primary);
  text-decoration: underline;
  word-break: break-all;
}

.wecom-internal-chatbot-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  border-top: 1px solid #e4ebf5;
  padding: 10px;
}

.wecom-internal-chatbot-input,
.wecom-internal-chatbot-handoff-company,
.wecom-internal-chatbot-handoff-name,
.wecom-internal-chatbot-handoff-email,
.wecom-internal-chatbot-handoff-phone {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  box-sizing: border-box;
  min-height: 48px;
  border: 2px solid #b8c6d8;
  border-radius: 16px;
  padding: 11px 14px;
  font-size: 14px;
  line-height: 1.3;
  background: #ffffff;
  color: #1e2c3f;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.wecom-internal-chatbot-input:focus,
.wecom-internal-chatbot-handoff-company:focus,
.wecom-internal-chatbot-handoff-name:focus,
.wecom-internal-chatbot-handoff-email:focus,
.wecom-internal-chatbot-handoff-phone:focus {
  border-color: var(--wecom-internal-primary);
  box-shadow: 0 0 0 3px rgba(15, 76, 129, 0.12);
  outline: none;
}

.wecom-internal-chatbot-input::placeholder,
.wecom-internal-chatbot-handoff-email::placeholder,
.wecom-internal-chatbot-input:focus::placeholder,
.wecom-internal-chatbot-handoff-email:focus::placeholder {
  color: #6f8198;
  opacity: 1;
}

.wecom-internal-chatbot-handoff {
  display: grid;
  gap: 10px;
  border-top: 1px solid #e4ebf5;
  padding: 12px 10px 14px;
  background: #fbfdff;
  max-height: none;
  overflow: visible;
}

.wecom-internal-chatbot-panel[hidden],
.wecom-internal-chatbot-handoff[hidden],
.wecom-internal-chatbot-human-btn[hidden] {
  display: none !important;
}

.wecom-internal-chatbot-handoff-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.wecom-internal-chatbot-handoff-files-wrap {
  display: grid;
  gap: 6px;
  padding: 8px;
  border: 1px solid #dbe4f0;
  border-radius: 10px;
  background: #fff;
}

.wecom-internal-chatbot-open .wecom-internal-chatbot-toggle {
  display: none;
}

@media (min-width: 521px) {
  .wecom-internal-chatbot-floating .wecom-internal-chatbot-panel {
    position: absolute;
    right: 0;
    bottom: 10px;
    margin-top: 0;
  }

  .wecom-internal-chatbot-floating.wecom-internal-chatbot-pos-left .wecom-internal-chatbot-panel {
    left: 0;
    right: auto;
  }

  .wecom-internal-chatbot-floating.wecom-internal-chatbot-pos-right .wecom-internal-chatbot-panel {
    right: 0;
    left: auto;
  }
}

.wecom-internal-chatbot-handoff > * {
  min-width: 0;
}

.wecom-internal-chatbot-handoff-files-label {
  font-size: 13px;
  font-weight: 600;
  color: #30455f;
}

.wecom-internal-chatbot-handoff-files-hint {
  font-size: 12px;
  color: #5d738d;
  line-height: 1.35;
}

.wecom-internal-chatbot-human-btn {
  margin: 0 10px 10px;
  padding: 0;
  background: transparent;
  border: 0;
  border-radius: 0;
  color: #111111;
  font-size: 12px;
  font-weight: 500;
  line-height: 1.3;
  text-align: left;
  text-decoration: underline;
  text-underline-offset: 2px;
  cursor: pointer;
}

.wecom-internal-chatbot-human-btn:hover,
.wecom-internal-chatbot-human-btn:focus-visible {
  color: #000000;
  opacity: 0.85;
}

.wecom-internal-chatbot-human-btn:focus-visible {
  outline: 2px solid rgba(0, 0, 0, 0.25);
  outline-offset: 2px;
}

.wecom-internal-chatbot-handoff-email,
.wecom-internal-chatbot-handoff-company,
.wecom-internal-chatbot-handoff-name,
.wecom-internal-chatbot-handoff-phone,
.wecom-internal-chatbot-handoff-submit,
.wecom-internal-chatbot-handoff-files {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  margin: 0;
}

.wecom-internal-chatbot-handoff-submit {
  min-height: 50px;
  border-radius: 14px;
  font-size: 16px;
  font-weight: 600;
  white-space: normal;
  line-height: 1.25;
  position: static;
  box-shadow: none;
}

.wecom-internal-chatbot-handoff-files {
  border: 1px dashed #c8d3e3;
  border-radius: 8px;
  padding: 8px;
  background: #ffffff;
}

@media (max-width: 520px) {
  .wecom-internal-chatbot-floating {
    left: var(--wecom-internal-mobile-side);
    right: var(--wecom-internal-mobile-side);
    bottom: var(--wecom-internal-mobile-bottom);
  }

  .wecom-internal-chatbot-panel {
    width: 100%;
    max-width: 100%;
    height: calc(var(--wecom-internal-vh, 100dvh) - var(--wecom-internal-mobile-bottom) - 20px);
    max-height: calc(var(--wecom-internal-vh, 100dvh) - var(--wecom-internal-mobile-bottom) - 20px);
    margin-top: 0;
  }

  .wecom-internal-chatbot-form {
    grid-template-columns: minmax(0, 1fr) 104px;
    gap: 6px;
    padding: 8px;
  }

  .wecom-internal-chatbot-form button {
    width: 104px;
    min-height: 44px;
    border-radius: 12px;
    padding-inline: 8px;
    font-size: 14px;
  }

  .wecom-internal-chatbot-input {
    min-height: 44px;
    border-radius: 12px;
    padding: 10px 12px;
    font-size: 16px;
  }

  .wecom-internal-chatbot-handoff {
    max-height: min(30vh, 220px);
    overflow-y: auto;
    overflow-x: hidden;
    padding: 8px;
    gap: 8px;
  }

  .wecom-internal-chatbot.wecom-internal-handoff-open .wecom-internal-chatbot-messages,
  .wecom-internal-chatbot.wecom-internal-handoff-open .wecom-internal-chatbot-form,
  .wecom-internal-chatbot.wecom-internal-handoff-open .wecom-internal-chatbot-human-btn {
    display: none !important;
  }

  .wecom-internal-chatbot.wecom-internal-handoff-open .wecom-internal-chatbot-handoff {
    display: grid !important;
    max-height: none;
    height: calc(var(--wecom-internal-vh, 100dvh) - var(--wecom-internal-mobile-bottom) - 84px);
    overflow-y: auto;
    overflow-x: hidden;
    padding: 8px 6px;
    gap: 6px;
  }

  .wecom-internal-chatbot-handoff-grid {
    grid-template-columns: 1fr;
  }

  .wecom-internal-chatbot-handoff-submit {
    position: sticky;
    bottom: 0;
    z-index: 2;
    min-height: 40px;
    border-radius: 12px;
    font-size: 13px;
    box-shadow: 0 -8px 14px rgba(251, 253, 255, 0.95);
  }

  .wecom-internal-chatbot-handoff-company,
  .wecom-internal-chatbot-handoff-name,
  .wecom-internal-chatbot-handoff-email,
  .wecom-internal-chatbot-handoff-phone {
    min-height: 38px;
    border-radius: 12px;
    padding: 7px 10px;
    font-size: 13px;
  }

  .wecom-internal-chatbot-handoff-files-wrap {
    padding: 6px;
    gap: 4px;
    overflow: hidden;
  }

  .wecom-internal-chatbot-handoff-files-label {
    font-size: 12px;
  }

  .wecom-internal-chatbot-handoff-files-hint {
    font-size: 10px;
    line-height: 1.2;
  }

  .wecom-internal-chatbot-human-btn {
    margin: 0 8px 8px;
    font-size: 11px;
  }

  .wecom-internal-chatbot-floating.wecom-internal-chatbot-mobile-pos-left {
    left: var(--wecom-internal-mobile-side);
    right: var(--wecom-internal-mobile-side);
    width: auto;
  }

  .wecom-internal-chatbot-floating.wecom-internal-chatbot-mobile-pos-right {
    right: var(--wecom-internal-mobile-side);
    left: var(--wecom-internal-mobile-side);
    width: auto;
  }
}

.wecom-internal-chatbot-handoff-files {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
  inline-size: 100%;
  max-inline-size: 100%;
}

.wecom-internal-chatbot-handoff-files::file-selector-button,
.wecom-internal-chatbot-handoff-files::-webkit-file-upload-button {
  max-inline-size: 52%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  vertical-align: middle;
}

@media (max-width: 520px) {
  .wecom-internal-chatbot-handoff-files {
    /* iOS file input text can force min-content overflow; hide native filename text */
    font-size: 0;
    line-height: 0;
    color: transparent;
    white-space: nowrap;
    -webkit-appearance: none;
    appearance: none;
  }

  .wecom-internal-chatbot-handoff-files::file-selector-button,
  .wecom-internal-chatbot-handoff-files::-webkit-file-upload-button {
    max-inline-size: 100%;
    inline-size: auto;
    font-size: 15px;
    line-height: 1.2;
    color: #1e2c3f;
    border: 0;
    border-radius: 999px;
    padding: 8px 14px;
    background: #eef2f7;
    margin-right: 0;
  }
}