.parents-widget-chat {
  --parents-widget-panel-width: 380px;
  --parents-widget-panel-height: 560px;
  --parents-widget-mobile-vh: 100vh;
  --parents-widget-font-family: Inter, Arial, sans-serif;
  --parents-widget-font-size: 14px;
  --parents-widget-title-size: 18px;
  --parents-widget-radius: 16px;
  --parents-widget-z-index: 1100;
  --parents-widget-user-bg: #4c2fff;
  --parents-widget-send-bg: #111827;

  position: fixed;
  bottom: 20px;
  z-index: var(--parents-widget-z-index);
  font-family: var(--parents-widget-font-family);
  font-size: var(--parents-widget-font-size);
}

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

.parents-widget-chat button,
.parents-widget-chat textarea {
  margin: 0;
  border: 0;
  font: inherit;
  letter-spacing: normal;
  text-transform: none;
}

.parents-widget-chat button {
  -webkit-appearance: none;
  appearance: none;
}

.parents-widget-chat textarea {
  -webkit-appearance: none;
  appearance: none;
}

.parents-widget-chat--right {
  right: 20px;
}

.parents-widget-chat--left {
  left: 20px;
}

.parents-widget-chat__button {
  border: 0;
  border-radius: 999px;
  width: 54px;
  height: 54px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--parents-widget-user-bg);
  color: #fff;
  font-size: 14px;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 8px 28px rgba(76, 47, 255, 0.35);
}

.parents-widget-chat__button-icon {
  width: 24px;
  height: 24px;
  object-fit: contain;
}

.parents-widget-chat__button-icon-fallback {
  font-size: 24px;
  line-height: 1;
}

.parents-widget-chat__panel {
  display: none;
  width: min(var(--parents-widget-panel-width), calc(100vw - 24px));
  height: min(var(--parents-widget-panel-height), calc(var(--parents-widget-mobile-vh, 100vh) - 72px));
  margin-top: 12px;
  border-radius: var(--parents-widget-radius);
  background: #fff;
  border: 1px solid #e5e7eb;
  box-shadow: 0 22px 56px rgba(8, 15, 52, 0.18);
  overflow: hidden;
}

.parents-widget-chat.is-open .parents-widget-chat__panel {
  display: flex;
  flex-direction: column;
}

.parents-widget-chat__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  padding: 14px 16px;
  border-bottom: 1px solid #e5e7eb;
}

.parents-widget-chat__title {
  font-size: var(--parents-widget-title-size);
  font-weight: 700;
  color: #0f172a;
  line-height: 1.2;
}

.parents-widget-chat__close {
  border: 0;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background: #f3f4f6;
  color: #111827;
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
}

.parents-widget-chat__messages {
  flex: 1;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: #f8fafc;
}

.parents-widget-chat__message {
  max-width: 92%;
  white-space: pre-wrap;
  word-break: break-word;
  border-radius: 12px;
  padding: 10px 12px;
  font-size: var(--parents-widget-font-size);
  line-height: 1.45;
}

.parents-widget-chat__message strong {
  font-weight: 700;
}

.parents-widget-chat__message em {
  font-style: italic;
}

.parents-widget-chat__message code {
  font-family: Consolas, Monaco, 'Courier New', monospace;
  font-size: 0.92em;
  padding: 1px 4px;
  border-radius: 4px;
  background: rgba(15, 23, 42, 0.08);
}

.parents-widget-chat__message--assistant {
  align-self: flex-start;
  background: #fff;
  color: #0f172a;
  border: 1px solid #e5e7eb;
}

.parents-widget-chat__message--user {
  align-self: flex-end;
  background: var(--parents-widget-user-bg);
  color: #fff;
}

.parents-widget-chat__message--error {
  align-self: flex-start;
  background: #fff1f2;
  color: #be123c;
  border: 1px solid #fecdd3;
}

.parents-widget-chat__message--typing {
  align-self: flex-start;
  background: #fff;
  color: #334155;
  border: 1px solid #e5e7eb;
  padding: 8px 12px;
}

.parents-widget-chat__typing {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.parents-widget-chat__typing-text {
  font-size: 0.92em;
  color: #475569;
}

.parents-widget-chat__typing-dots {
  display: inline-flex;
  align-items: flex-end;
  gap: 4px;
  min-height: 12px;
}

.parents-widget-chat__typing-dot {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: #94a3b8;
  animation: parents-widget-chat-typing 1.2s infinite ease-in-out;
}

.parents-widget-chat__typing-dot:nth-child(2) {
  animation-delay: 0.15s;
}

.parents-widget-chat__typing-dot:nth-child(3) {
  animation-delay: 0.3s;
}

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

.parents-widget-chat__form {
  padding: 10px 12px;
  border-top: 1px solid #e5e7eb;
  display: flex;
  align-items: flex-end;
  gap: 8px;
  background: #fff;
}

.parents-widget-chat__input {
  flex: 1;
  min-width: 0;
  min-height: 42px;
  max-height: 160px;
  resize: none;
  border-radius: 12px;
  border: 1px solid #d1d5db;
  padding: 10px 12px;
  font-size: var(--parents-widget-font-size);
  line-height: 1.4;
  font-family: inherit;
}

.parents-widget-chat__send {
  border: 0;
  border-radius: 12px;
  padding: 11px 14px;
  font-size: var(--parents-widget-font-size);
  font-weight: 600;
  background: var(--parents-widget-send-bg);
  color: #fff;
  cursor: pointer;
  font-family: inherit;
  white-space: nowrap;
  flex: 0 0 auto;
}

.parents-widget-chat__send:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

html.parents-widget-chat-scroll-lock,
body.parents-widget-chat-scroll-lock {
  overflow: hidden !important;
  overscroll-behavior: none;
}

@media (max-width: 768px) {
  .parents-widget-chat.is-open .parents-widget-chat__button {
    display: none;
  }

  .parents-widget-chat.is-open .parents-widget-chat__panel {
    width: 100%;
    max-width: 100%;
    height: 100%;
    max-height: 100%;
    margin-top: 0;
    border-radius: 0;
    border-left: 0;
    border-right: 0;
    border-bottom: 0;
  }

  .parents-widget-chat__header {
    padding-top: calc(14px + env(safe-area-inset-top));
  }

  .parents-widget-chat__form {
    padding-bottom: calc(10px + env(safe-area-inset-bottom));
  }

  /* Prevent iOS auto-zoom on input focus (keeps viewport stable after close). */
  .parents-widget-chat__input {
    font-size: 16px;
    line-height: 1.35;
  }
}

@media (max-width: 544px) {
  .parents-widget-chat__panel {
    width: min(var(--parents-widget-panel-width), calc(100vw - 16px));
    height: min(var(--parents-widget-panel-height), calc(var(--parents-widget-mobile-vh, 100vh) - 16px));
  }
}