/* ─── Mina 小幫手 Widget ───────────────────────── */
#mina-widget {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  font-family: 'Noto Sans TC', sans-serif;
  font-size: 14px;
  line-height: 1.6;
}

/* ── FAB 按鈕 ── */
.mina-fab {
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: #C80079;
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 22px rgba(200,0,121,.45);
  transition: transform .2s;
  position: relative;
  outline: none;
}
.mina-fab:hover {
  transform: scale(1.1) translateY(-2px);
  box-shadow: 0 8px 30px rgba(200,0,121,.55);
}
.mina-fab:focus-visible {
  outline: 3px solid #FFB3DC;
  outline-offset: 3px;
}
.mina-fab-icon { display: flex; align-items: center; justify-content: center; line-height: 1; }
.mina-fab-label { font-size: 9.5px; font-weight: 800; margin-top: 2px; letter-spacing: .3px; }

/* ── Panel ── */
.mina-panel {
  position: absolute;
  bottom: 74px;
  right: 0;
  width: 360px;
  max-height: 72vh;
  background: #fff;
  border-radius: 20px;
  box-shadow: 0 16px 56px rgba(0,0,0,.2);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  transform: translateY(14px) scale(.97);
  transition: opacity .25s ease, transform .25s ease;
  pointer-events: none;
}
.mina-panel.open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}
.mina-panel[hidden] { display: none; }

/* ── Header ── */
.mina-panel-header {
  background: #C80079;
  padding: 12px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.mina-header-info {
  display: flex;
  align-items: center;
  gap: 9px;
  flex: 1;
  min-width: 0;
}
.mina-avatar-wrap {
  width: 36px;
  height: 36px;
  background: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.mina-header-text { flex: 1; min-width: 0; }
.mina-name { font-weight: 800; font-size: 14px; color: #fff; line-height: 1.2; }
.mina-status { font-size: 11px; color: #fff; line-height: 1.3; }
.mina-status::before { content: '● '; font-size: 8px; vertical-align: 1px; }

.mina-close {
  width: 30px;
  height: 30px;
  background: rgba(255,255,255,.2);
  border: none;
  border-radius: 50%;
  color: #fff;
  cursor: pointer;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background .15s;
  outline: none;
}
.mina-close:hover { background: rgba(255,255,255,.35); }
.mina-close:focus-visible { outline: 2px solid rgba(255,255,255,.6); outline-offset: 1px; }

/* ── Chat body ── */
.mina-chat-body {
  flex: 1;
  overflow-y: auto;
  padding: 14px 12px 8px;
  background: #FFF6FB;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 160px;
  scroll-behavior: smooth;
}
.mina-chat-body::-webkit-scrollbar { width: 4px; }
.mina-chat-body::-webkit-scrollbar-track { background: transparent; }
.mina-chat-body::-webkit-scrollbar-thumb { background: #F2D9E7; border-radius: 4px; }

/* ── 訊息列 ── */
.mina-msg-row {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity .25s, transform .25s;
}
.mina-msg-row.visible { opacity: 1; transform: translateY(0); }
.mina-msg-row.user { justify-content: flex-end; }

.mina-msg-avatar {
  width: 28px;
  height: 28px;
  background: #FFE3F1;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
  margin-top: 2px;
}

/* ── 泡泡 ── */
.mina-bubble {
  background: #FFE3F1;
  color: #241019;
  border-radius: 4px 16px 16px 16px;
  padding: 10px 13px;
  max-width: 82%;
  font-size: 13px;
  line-height: 1.7;
  word-break: break-word;
}
.mina-bubble.user {
  background: #C80079;
  color: #fff;
  border-radius: 16px 4px 16px 16px;
  font-size: 12.5px;
}

/* ── 選項按鈕 ── */
.mina-options {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding-left: 36px;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .25s, transform .25s;
}
.mina-options.visible { opacity: 1; transform: translateY(0); }

.mina-opt-btn {
  background: #fff;
  color: #C80079;
  border: 1.5px solid #C80079;
  border-radius: 20px;
  padding: 6px 13px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: background .15s, color .15s, opacity .15s, border-color .15s;
  font-family: inherit;
  line-height: 1.4;
  outline: none;
}
.mina-opt-btn:hover:not(:disabled) {
  background: #C80079;
  color: #fff;
}
.mina-opt-btn:focus-visible {
  outline: 2px solid #C80079;
  outline-offset: 2px;
}
.mina-opt-btn:disabled { opacity: .35; cursor: default; }
.mina-opt-btn.chosen {
  background: #C80079;
  color: #fff;
  opacity: 1 !important;
  border-color: #C80079;
}

/* ── CTA 按鈕區 ── */
.mina-cta-wrap {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding-left: 36px;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .25s, transform .25s;
}
.mina-cta-wrap.visible { opacity: 1; transform: translateY(0); }

.mina-cta-btn {
  display: block;
  text-align: center;
  padding: 10px 16px;
  border-radius: 24px;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  transition: transform .15s, box-shadow .15s;
  cursor: pointer;
  font-family: inherit;
}
.mina-cta-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,0,0,.15);
}

.cta-primary  { background: #C80079; color: #fff !important; }
.cta-line     { background: #04882E; color: #fff !important; }
.cta-secondary {
  background: #fff;
  color: #241019 !important;
  border: 1.5px solid #E0DEDE;
}
.cta-map {
  background: #fff;
  color: #1a73e8 !important;
  border: 1.5px solid #E0DEDE;
}

.mina-line-note {
  font-size: 10.5px;
  color: #7A6574;
  text-align: center;
  margin-top: -1px;
  padding: 0 4px;
}

/* ── 文章連結 ── */
.mina-articles {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding-left: 36px;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .25s, transform .25s;
}
.mina-articles.visible { opacity: 1; transform: translateY(0); }

.articles-label {
  display: block;
  font-size: 10.5px;
  font-weight: 700;
  color: #7A6574;
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: 2px;
}
.mina-articles a {
  font-size: 12.5px;
  color: #C80079;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: opacity .15s;
}
.mina-articles a:hover { opacity: .72; }

/* ── Footer ── */
.mina-panel-footer {
  padding: 7px 12px;
  background: #fff;
  border-top: 1px solid #F2D9E7;
  flex-shrink: 0;
}
.mina-reset {
  background: none;
  border: none;
  color: #7A6574;
  font-size: 11.5px;
  cursor: pointer;
  font-family: inherit;
  padding: 4px 8px;
  border-radius: 8px;
  transition: color .15s, background .15s;
  outline: none;
}
.mina-reset:hover { color: #C80079; background: #FFE3F1; }

/* ── Archive Question Cards ── */
.mina-q-list { display: flex; flex-direction: column; gap: 6px; width: 100%; margin: 6px 0; }
.mina-q-list.visible { animation: fadeUp .3s ease both; }
.mina-q-card {
  border-radius: 10px;
  border: 1.5px solid #F2D9E7;
  background: #fff;
  overflow: hidden;
}
.mina-q-header {
  width: 100%;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 9px 12px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  font-size: 13px;
  line-height: 1.45;
}
.mina-q-number {
  flex-shrink: 0;
  background: #C80079;
  color: #fff;
  border-radius: 5px;
  font-size: 10px;
  font-weight: 700;
  padding: 1px 5px;
  margin-top: 2px;
}
.mina-q-title { flex: 1; font-weight: 500; }
.mina-q-toggle {
  flex-shrink: 0;
  color: #7A6574;
  font-size: 1rem;
  line-height: 1;
  transition: transform .2s;
}
.mina-q-body { padding: 0 12px 12px; border-top: 1px solid #F2D9E7; }
.mina-q-options { display: flex; flex-direction: column; gap: 4px; margin: 8px 0; }
.mina-q-opt {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 6px 10px;
  border-radius: 7px;
  border: 1.5px solid #EEE6EB;
  font-size: 12.5px;
  background: #FAF8F9;
}
.mina-q-opt.correct { border-color: #22c55e; background: rgba(34,197,94,.08); }
.mina-q-letter {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #EEE6EB;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 700;
}
.mina-q-opt.correct .mina-q-letter { background: #22c55e; color: #fff; }
.mina-q-ans-badge {
  margin-left: auto;
  font-size: 11px;
  color: #22c55e;
  font-weight: 700;
}
.mina-exp {
  padding: 7px 10px;
  border-radius: 7px;
  margin-bottom: 5px;
  font-size: 12px;
}
.mina-exp.ok  { background: rgba(34,197,94,.07); }
.mina-exp.err { background: rgba(239,68,68,.07); }
.mina-exp.tip { background: rgba(234,179,8,.08); }
.mina-exp b { display: block; font-size: 10.5px; margin-bottom: 2px; }
.mina-exp.ok  b { color: #16a34a; }
.mina-exp.err b { color: #dc2626; }
.mina-exp.tip b { color: #a16207; }
.mina-exp p { margin: 0; line-height: 1.5; color: #444; }

/* loading dots inside bubble */
.mina-loading-dots { display: inline-flex; gap: 4px; align-items: center; }
.mina-loading-dots i {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #C80079;
  animation: dotPulse 1.2s infinite;
  font-style: normal;
}
.mina-loading-dots i:nth-child(2) { animation-delay: .2s; }
.mina-loading-dots i:nth-child(3) { animation-delay: .4s; }
@keyframes dotPulse {
  0%, 80%, 100% { opacity: .25; transform: scale(.8); }
  40% { opacity: 1; transform: scale(1); }
}

/* ── 行動裝置 ── */
@media (max-width: 420px) {
  #mina-widget { bottom: 16px; right: 16px; }
  .mina-panel {
    width: calc(100vw - 32px);
    right: 0;
    bottom: 70px;
    max-height: 78vh;
  }
}