/*
 * THE4KIND チャットサポートBOT - スタイルシート
 * Plugin: the4kind-chatbot v1.0.0
 *
 * すべてのセレクタは #chatFloating 以下にスコープされているため
 * テーマの既存スタイルと競合しにくい設計です。
 * ただし :root の CSS 変数はグローバルに定義されます。
 */

/* ====================================================
   CSS 変数（モノトーン + ブランドカラーは差し色のみ）
==================================================== */
:root {
  --t4k-black      : #111111;
  --t4k-dark       : #1a1a1a;
  --t4k-mid        : #555555;
  --t4k-muted      : #999999;
  --t4k-border     : #e4e4e4;
  --t4k-border-lt  : #f0f0f0;
  --t4k-bg-panel   : #ffffff;
  --t4k-bg-page    : #f5f5f5;
  --t4k-bg-quick   : #f7f7f7;
  --t4k-accent     : #1B72B8;
  --t4k-accent-teal: #7CC8CC;
  --t4k-w          : 380px;
  --t4k-h          : 520px;
}

/* ====================================================
   フローティング ラッパー
==================================================== */
#chatFloating {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
  font-family: 'Hiragino Kaku Gothic ProN','ヒラギノ角ゴ ProN W3','Meiryo','メイリオ',sans-serif;
}

/* ====================================================
   チャットパネル本体
==================================================== */
#chatPanel {
  width: var(--t4k-w);
  background: var(--t4k-bg-panel);
  border-radius: 4px;
  box-shadow:
    0 2px 4px rgba(0,0,0,.06),
    0 8px 32px rgba(0,0,0,.12),
    0 0 0 1px rgba(0,0,0,.06);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  /* 開閉アニメーション */
  max-height: 0;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px) scale(.98);
  transform-origin: bottom right;
  transition:
    max-height .32s cubic-bezier(.4,0,.2,1),
    opacity    .22s ease,
    transform  .28s cubic-bezier(.4,0,.2,1);
}
#chatPanel.open {
  max-height: calc(var(--t4k-h) + 100px);
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

/* ---- ヘッダー ---- */
#chatFloating .chat-header {
  background: var(--t4k-dark);
  color: #fff;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  user-select: none;
  flex-shrink: 0;
  transition: background .15s;
  box-sizing: border-box;
}
#chatFloating .chat-header:hover { background: var(--t4k-black); }

#chatFloating .header-logo {
  width: 38px;
  height: 38px;
  border-radius: 6px;
  flex-shrink: 0;
  overflow: hidden;
  display: block;
  box-sizing: border-box;
}
#chatFloating .header-logo img {
  width: 38px;
  height: 38px;
  display: block;
}

#chatFloating .header-info { flex: 1; }
#chatFloating .header-name {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .06em;
  color: #fff;
  margin: 0;
  padding: 0;
}
#chatFloating .header-sub {
  font-size: 10.5px;
  color: rgba(255,255,255,.55);
  margin-top: 2px;
  display: flex;
  align-items: center;
  gap: 5px;
  letter-spacing: .02em;
}
#chatFloating .status-dot {
  width: 6px; height: 6px;
  background: #4ade80;
  border-radius: 50%;
  flex-shrink: 0;
}

#chatFloating .header-chev {
  width: 16px; height: 16px;
  fill: rgba(255,255,255,.4);
  transition: transform .3s ease;
  flex-shrink: 0;
}
#chatPanel.open .header-chev { transform: rotate(180deg); }

/* ---- クイックメニュー ---- */
#chatFloating .quick-menu {
  background: var(--t4k-bg-quick);
  border-bottom: 1px solid var(--t4k-border);
  padding: 9px 12px;
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
  flex-shrink: 0;
  box-sizing: border-box;
}
#chatFloating .quick-btn {
  background: #fff;
  border: 1px solid var(--t4k-border);
  color: var(--t4k-mid);
  border-radius: 2px;
  padding: 4px 11px;
  font-size: 11px;
  cursor: pointer;
  transition: all .15s;
  white-space: nowrap;
  font-family: inherit;
  letter-spacing: .02em;
  box-sizing: border-box;
  line-height: 1.5;
}
#chatFloating .quick-btn:hover {
  background: var(--t4k-dark);
  color: #fff;
  border-color: var(--t4k-dark);
}

/* ---- チャット本文 ---- */
#chatFloating .chat-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  height: var(--t4k-h);
  max-height: var(--t4k-h);
  background: var(--t4k-bg-panel);
  scroll-behavior: smooth;
  box-sizing: border-box;
}
#chatFloating .chat-body::-webkit-scrollbar { width: 3px; }
#chatFloating .chat-body::-webkit-scrollbar-track { background: transparent; }
#chatFloating .chat-body::-webkit-scrollbar-thumb { background: var(--t4k-border); border-radius: 2px; }

/* ---- 吹き出し ---- */
#chatFloating .bubble-row { display:flex; align-items:flex-end; gap:7px; }
#chatFloating .bubble-row.user { justify-content:flex-end; }
#chatFloating .bubble-row.bot  { justify-content:flex-start; }

#chatFloating .bot-avatar {
  width: 28px; height: 28px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  border: 1px solid var(--t4k-border);
  background: #f0f0f0;
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
}
#chatFloating .bot-avatar svg { width: 22px; height: 22px; display: block; }

#chatFloating .bubble-wrap { display:flex; flex-direction:column; max-width:82%; }
#chatFloating .bubble-row.user .bubble-wrap { align-items:flex-end; }

#chatFloating .bubble {
  padding: 10px 14px;
  font-size: 13px;
  line-height: 1.7;
  word-break: break-word;
  margin: 0;
  box-sizing: border-box;
}
#chatFloating .bubble.user {
  background: var(--t4k-dark);
  color: #fff;
  border-radius: 14px 14px 0 14px;
}
#chatFloating .bubble.bot {
  background: var(--t4k-bg-panel);
  color: var(--t4k-dark);
  border: 1px solid var(--t4k-border);
  border-radius: 14px 14px 14px 0;
  box-shadow: 0 1px 3px rgba(0,0,0,.04);
}
#chatFloating .bubble.bot a { color: var(--t4k-accent); text-decoration: none; }
#chatFloating .bubble.bot a:hover { text-decoration: underline; }
#chatFloating .bubble.bot .hl { color: var(--t4k-accent); font-weight: 600; }

#chatFloating .bubble-time {
  font-size: 10px;
  color: var(--t4k-muted);
  margin-top: 4px;
  letter-spacing: .02em;
}
#chatFloating .bubble-row.bot .bubble-time { padding-left: 33px; }

/* タイピングアニメーション */
#chatFloating .typing-wrap { display: flex; align-items: flex-end; gap: 7px; }
#chatFloating .typing-bubble {
  display: flex; align-items: center; gap: 4px;
  padding: 12px 14px;
  background: var(--t4k-bg-panel);
  border: 1px solid var(--t4k-border);
  border-radius: 14px 14px 14px 0;
}
#chatFloating .tdot {
  width: 5px; height: 5px;
  background: var(--t4k-muted);
  border-radius: 50%;
  animation: t4k-tdots 1.2s infinite;
}
#chatFloating .tdot:nth-child(2) { animation-delay: .2s; }
#chatFloating .tdot:nth-child(3) { animation-delay: .4s; }
@keyframes t4k-tdots {
  0%,60%,100% { opacity:.3; transform:scale(1); }
  30%          { opacity:1;  transform:scale(1.2); }
}

/* ---- 入力エリア ---- */
#chatFloating .chat-footer {
  border-top: 1px solid var(--t4k-border);
  padding: 12px 14px 14px;
  background: var(--t4k-bg-panel);
  flex-shrink: 0;
  box-sizing: border-box;
}
#chatFloating .input-row { display:flex; gap:8px; align-items:flex-end; }
#chatFloating .chat-input {
  flex: 1;
  border: 1px solid var(--t4k-border);
  border-radius: 2px;
  padding: 9px 13px;
  font-size: 13px;
  font-family: inherit;
  resize: none;
  outline: none;
  transition: border-color .2s;
  max-height: 88px;
  line-height: 1.5;
  color: var(--t4k-dark);
  background: var(--t4k-bg-page);
  box-sizing: border-box;
}
#chatFloating .chat-input:focus { border-color: #aaa; background: #fff; }
#chatFloating .chat-input::placeholder { color: var(--t4k-muted); }

#chatFloating .send-btn {
  width: 38px; height: 38px;
  background: var(--t4k-dark);
  border: none;
  border-radius: 2px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: background .15s;
  box-sizing: border-box;
  padding: 0;
}
#chatFloating .send-btn:hover { background: var(--t4k-black); }
#chatFloating .send-btn:active { opacity: .8; }
#chatFloating .send-btn svg { width: 16px; height: 16px; fill: white; }

#chatFloating .footer-note {
  font-size: 10px;
  color: var(--t4k-muted);
  margin-top: 7px;
  text-align: center;
  letter-spacing: .04em;
}

/* ====================================================
   トグルボタン
==================================================== */
#chatToggle {
  width: 54px; height: 54px;
  border-radius: 50%;
  background: #fff;
  border: 1px solid var(--t4k-border);
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,0,0,.1), 0 4px 20px rgba(0,0,0,.08);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  padding: 0;
  position: relative;
  transition: box-shadow .2s, transform .2s;
  box-sizing: border-box;
}
#chatToggle:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,.15), 0 6px 28px rgba(0,0,0,.1);
  transform: scale(1.04);
}
#chatToggle:active { transform: scale(.96); }

#chatFloating .toggle-badge {
  position: absolute; top: 1px; right: 1px;
  width: 15px; height: 15px;
  background: #e53e3e;
  color: #fff;
  font-size: 8px; font-weight: 700;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  border: 2px solid #fff;
  transition: opacity .2s;
  box-sizing: border-box;
}
#chatFloating .toggle-badge.hidden { opacity: 0; pointer-events: none; }

#chatFloating #ti-logo  { transition: opacity .2s, transform .2s; }
#chatFloating #ti-close {
  position: absolute; opacity: 0;
  transition: opacity .2s, transform .2s;
  transform: rotate(-90deg);
}
#chatPanel.open ~ #chatToggle #ti-logo  { opacity: 0; transform: rotate(90deg); }
#chatPanel.open ~ #chatToggle #ti-close { opacity: 1; transform: rotate(0); }

/* ====================================================
   レスポンシブ
==================================================== */
@media (max-width: 420px) {
  :root { --t4k-w: calc(100vw - 20px); }
  #chatFloating { bottom: 12px; right: 10px; left: 10px; align-items: flex-end; }
}