/* ==========================================================================
   AI 數碼分身（Digital Twin）Widget
   兩種形象：像真（real）／卡通（cartoon），可即時切換
   ========================================================================== */
.aime{--aime-gold:var(--gold,#b475a0);--aime-tx:#1b191a;--aime-tx2:#867d82;--aime-line:#e9e4e7;
  font-family:inherit}

/* ---- 右下角啟動掣（配合 #floatcta 排喺最頂） ---- */
#aimeBtn{position:fixed;right:18px;bottom:calc(18px + 4 * 52px + 4 * 10px);z-index:62;
  width:58px;height:58px;border-radius:50%;border:2px solid var(--aime-gold);
  background:#fff;box-shadow:0 10px 26px rgba(0,0,0,.28);cursor:pointer;padding:0;
  overflow:hidden;display:flex;align-items:center;justify-content:center;
  transition:transform .22s ease, box-shadow .22s ease}
#aimeBtn:hover{transform:translateY(-3px) scale(1.04);box-shadow:0 14px 32px rgba(0,0,0,.34)}
#aimeBtn .aime-ava{width:100%;height:100%;display:block;background:#fdf3f8}
#aimeBtn .aime-tip{position:absolute;right:70px;top:50%;transform:translateY(-50%);
  background:var(--aime-tx);color:#fff;font-size:12.5px;font-weight:600;letter-spacing:.02em;
  padding:7px 12px;border-radius:8px;white-space:nowrap;box-shadow:0 6px 18px rgba(0,0,0,.24);
  opacity:0;pointer-events:none;transition:opacity .25s ease}
#aimeBtn:hover .aime-tip{opacity:1}
#aimeBtn.pulse{animation:aimePulse 2.6s ease-in-out infinite}
@keyframes aimePulse{0%,100%{box-shadow:0 10px 26px rgba(0,0,0,.28)}
  50%{box-shadow:0 10px 26px rgba(0,0,0,.28),0 0 0 10px rgba(180,117,160,.22)}}

/* ---- 面板 ---- */
#aimePanel{position:fixed;right:18px;bottom:calc(18px + 4 * 52px + 4 * 10px + 70px);z-index:63;
  width:min(360px,calc(100vw - 36px));max-height:min(560px,calc(100vh - 120px));
  background:#fff;border:1px solid var(--aime-line);border-radius:18px;
  box-shadow:0 22px 60px rgba(0,0,0,.30);display:none;flex-direction:column;overflow:hidden;
  transform-origin:bottom right;animation:aimePop .26s cubic-bezier(.2,.9,.3,1.2)}
#aimePanel.open{display:flex}
@keyframes aimePop{from{opacity:0;transform:translateY(14px) scale(.94)}to{opacity:1;transform:none}}

.aime-head{display:flex;align-items:center;gap:12px;padding:14px 16px;
  background:linear-gradient(135deg,#fdf3f8,#f6e8f1);border-bottom:1px solid var(--aime-line)}
.aime-head .aime-ava{width:52px;height:52px;border-radius:50%;flex:0 0 52px;
  border:2px solid #fff;box-shadow:0 4px 12px rgba(0,0,0,.16);background:#fff;overflow:hidden}
.aime-head .aime-ava>*{width:100%;height:100%;display:block}
.aime-head .who{flex:1;min-width:0}
.aime-head .who b{display:block;font-size:14.5px;font-weight:700;color:var(--aime-tx);letter-spacing:.01em}
.aime-head .who i{display:block;font-style:normal;font-size:11.5px;color:var(--aime-tx2);margin-top:2px}
.aime-head .who i .dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:#3ec97a;
  margin-right:5px;vertical-align:1px}
.aime-close{background:none;border:0;cursor:pointer;font-size:20px;line-height:1;color:var(--aime-tx2);
  padding:4px 6px;border-radius:6px}
.aime-close:hover{background:rgba(0,0,0,.06);color:var(--aime-tx)}

/* 形象切換 */
.aime-switch{display:flex;gap:6px;padding:10px 16px 0}
.aime-switch button{flex:1;font:inherit;font-size:12px;font-weight:600;padding:7px 0;border-radius:9px;
  border:1px solid var(--aime-line);background:#fff;color:var(--aime-tx2);cursor:pointer;
  transition:all .18s ease}
.aime-switch button:hover{border-color:var(--aime-gold);color:var(--aime-gold)}
.aime-switch button.on{background:var(--aime-gold);border-color:var(--aime-gold);color:#fff}

/* 對白區 */
.aime-body{flex:1;overflow-y:auto;padding:14px 16px;display:flex;flex-direction:column;gap:10px;
  -webkit-overflow-scrolling:touch}
.aime-msg{display:flex;gap:9px;align-items:flex-end}
.aime-msg .aime-ava{width:32px;height:32px;border-radius:50%;flex:0 0 32px;overflow:hidden;
  border:1px solid var(--aime-line);background:#fff}
.aime-msg .aime-ava>*{width:100%;height:100%;display:block}
.aime-bubble{background:#f6f1f4;border:1px solid var(--aime-line);border-radius:14px 14px 14px 4px;
  padding:10px 13px;font-size:13.5px;line-height:1.65;color:var(--aime-tx);max-width:calc(100% - 42px);
  white-space:pre-wrap;word-break:break-word}
.aime-msg.me{flex-direction:row-reverse}
.aime-msg.me .aime-bubble{background:var(--aime-gold);border-color:var(--aime-gold);color:#fff;
  border-radius:14px 14px 4px 14px}

/* 問題 chips */
.aime-chips{display:flex;flex-wrap:wrap;gap:7px;padding:0 16px 12px}
.aime-chips button{font:inherit;font-size:12.5px;padding:7px 12px;border-radius:999px;
  border:1px solid var(--aime-line);background:#fff;color:var(--aime-tx);cursor:pointer;
  transition:all .18s ease}
.aime-chips button:hover{border-color:var(--aime-gold);color:var(--aime-gold);
  background:#fdf6fa}
.aime-foot{display:flex;gap:8px;padding:10px 16px 14px;border-top:1px solid var(--aime-line);background:#fcfafc}
.aime-foot a,.aime-foot button{flex:1;font:inherit;font-size:12.5px;font-weight:600;text-align:center;
  text-decoration:none;padding:10px 8px;border-radius:10px;cursor:pointer;border:1px solid var(--aime-line);
  background:#fff;color:var(--aime-tx);transition:all .18s ease}
.aime-foot a.wa{background:#1fa855;border-color:#1fa855;color:#fff}
.aime-foot a.wa:hover{filter:brightness(1.06)}
.aime-foot button:hover{border-color:var(--aime-gold);color:var(--aime-gold)}

/* ---- 講嘢動畫（inline SVG 先有效；<img> fallback 用 bob） ---- */
.aime-mouth-open{display:none}
.aime-talking .aime-mouth-open{display:block}
.aime-talking .aime-mouth-closed{display:none}
.aime-bob{animation:aimeBob .5s ease-in-out infinite}
@keyframes aimeBob{0%,100%{transform:translateY(0) scale(1)}50%{transform:translateY(-2px) scale(1.025)}}
.aime-ring{animation:aimeRing 1.6s ease-in-out infinite}
@keyframes aimeRing{0%,100%{box-shadow:0 0 0 0 rgba(180,117,160,.34)}
  50%{box-shadow:0 0 0 8px rgba(180,117,160,0)}}

/* ---- 獨立展示頁（pages/ai.html） ---- */
.aime-stage{display:grid;place-items:center;gap:22px;padding:34px 20px 60px;max-width:820px;margin:0 auto}
.aime-stage .big{width:min(300px,74vw);aspect-ratio:1;border-radius:50%;overflow:hidden;
  border:4px solid #fff;box-shadow:0 20px 50px rgba(0,0,0,.18);background:#fdf3f8}
.aime-stage .big>*{width:100%;height:100%;display:block}
.aime-stage .say{min-height:92px;display:grid;place-items:center;text-align:center;
  font-size:clamp(16px,4.4vw,20px);line-height:1.75;color:var(--aime-tx);max-width:640px}
.aime-stage .say .cur{display:inline-block;width:2px;height:1.05em;background:var(--aime-gold);
  vertical-align:-.16em;animation:aimeCaret .8s steps(1) infinite;margin-left:2px}
@keyframes aimeCaret{0%,50%{opacity:1}51%,100%{opacity:0}}

@media (max-width:520px){
  #aimeBtn{bottom:calc(14px + 4 * 48px + 4 * 8px);width:52px;height:52px}
  #aimePanel{bottom:calc(14px + 4 * 48px + 4 * 8px + 64px);width:calc(100vw - 28px);right:14px}
}
@media (prefers-reduced-motion:reduce){
  #aimeBtn.pulse,.aime-bob,.aime-ring{animation:none}
}