/* =========================================================
   AIチャット(写真加工プレビュー)ウィジェット — MVP版
   styles.cssの:root変数(色・フォント)をそのまま流用する
   ========================================================= */

.chat-widget {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 200; /* ナビ(z-index:100)より前面に */
  font-family: var(--font-jp);
}

.chat-widget__bubble-row {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.chat-widget__label {
  background: #fff;
  color: var(--color-text-on-white);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 8px 14px;
  border-radius: 999px;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.18);
  white-space: nowrap;
}

.chat-widget__bubble {
  width: 68px;
  height: 86px;
  padding: 0;
  border: none;
  background: none;
  cursor: pointer;
  filter: drop-shadow(0 8px 14px rgba(0, 0, 0, 0.25));
  transition: transform 0.2s ease;
}

.chat-widget__bubble img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: bottom;
}

.chat-widget__bubble:hover {
  transform: scale(1.05);
}

/* 初回訪問時だけ、js/chat-widget.jsが数秒後にこのクラスを付けて
   軽くバウンドさせる(気づいてもらうための演出。うるさくならないよう3往復のみ) */
@keyframes chatWidgetBounce {
  0%, 100% { transform: translateY(0); }
  25% { transform: translateY(-10px); }
  50% { transform: translateY(0); }
}

.chat-widget--attention .chat-widget__bubble {
  animation: chatWidgetBounce 0.6s ease-in-out 3;
}

.chat-widget--attention .chat-widget__label {
  animation: chatWidgetBounce 0.6s ease-in-out 3;
}

.chat-widget__panel {
  position: absolute;
  right: 0;
  bottom: 76px;
  width: min(360px, calc(100vw - 40px));
  height: min(520px, calc(100vh - 140px));
  display: flex;
  flex-direction: column;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.22);
  overflow: hidden;
}

/* [hidden]属性は本来display:noneになるが、上の.chat-widget__panelがdisplay:flexを
   指定しているため、同じ詳細度では後に書いた方が勝ってしまい[hidden]が無視される。
   属性セレクタを明示的に書いて確実にdisplay:noneを効かせる */
.chat-widget__panel[hidden] {
  display: none;
}

.chat-widget__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  background: var(--color-text-on-white);
  color: #fff;
}

.chat-widget__header p {
  font-size: 0.85rem;
  font-weight: 700;
  margin: 0;
}

.chat-widget__close {
  background: none;
  border: none;
  color: #fff;
  font-size: 1.3rem;
  line-height: 1;
  cursor: pointer;
  padding: 4px;
}

.chat-widget__messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.chat-widget__msg {
  max-width: 82%;
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 0.85rem;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
}

.chat-widget__msg--user {
  align-self: flex-end;
  background: var(--color-cta-bg);
  color: var(--color-cta-text);
  border-bottom-right-radius: 4px;
}

.chat-widget__msg--assistant {
  align-self: flex-start;
  background: #F1F2F5;
  color: var(--color-text-on-white);
  border-bottom-left-radius: 4px;
}

.chat-widget__note {
  align-self: center;
  font-size: 0.75rem;
  color: var(--color-subtext);
  text-align: center;
  white-space: pre-line;
}

.chat-widget__note--intro {
  font-size: 0.68rem;
}

.chat-widget__note--intro-lead {
  color: var(--color-text-on-white);
}

.chat-widget__choices {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-self: flex-start;
  max-width: 82%;
}

.chat-widget__choice-btn {
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--color-divider-on-white);
  background: var(--color-cta-bg);
  color: var(--color-cta-text);
  font-size: 0.8rem;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.2s ease;
}

.chat-widget__choice-btn:hover:not(:disabled) {
  background: var(--color-cta-bg-hover);
}

.chat-widget__choice-btn:disabled {
  opacity: 0.5;
  cursor: default;
}

.chat-widget__thumb {
  display: block;
  width: 100%;
  max-width: 200px;
  border-radius: 8px;
}

.chat-widget__composer {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-top: 1px solid var(--color-divider-on-white);
}

.chat-widget__upload-btn {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #F1F2F5;
  cursor: pointer;
  font-size: 1.1rem;
}

.chat-widget__composer input[type="text"] {
  flex: 1;
  min-width: 0;
  padding: 9px 12px;
  border-radius: 999px;
  border: 1px solid var(--color-divider-on-white);
  font-size: 0.85rem;
  font-family: inherit;
}

.chat-widget__composer button[type="submit"] {
  flex: 0 0 auto;
  padding: 9px 16px;
  border-radius: 999px;
  border: none;
  background: var(--color-cta-bg);
  color: var(--color-cta-text);
  font-weight: 700;
  font-size: 0.8rem;
  cursor: pointer;
}

@media (max-width: 480px) {
  .chat-widget {
    right: 12px;
    bottom: 12px;
  }
  .chat-widget__panel {
    width: calc(100vw - 24px);
  }
  .chat-widget__label {
    font-size: 0.7rem;
    padding: 6px 10px;
  }
}