/* ============================================================
 * Glossary Chatbot Widget — conversational UX
 * - Floating action button (FAB) at bottom-right
 * - Chat thread with user/bot bubbles, expandable term cards
 * - Data source: /api/glossary/bot?format=json (no LLM)
 * ============================================================ */

.gw-chatbot-root {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 9000;
  font-family: 'NixgonFont', 'Noto Sans KR', system-ui, sans-serif;
  font-weight: 500;
}

/* ---------- FAB ---------- */
.gw-chatbot-fab {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--scouting-purple, var(--gw-scouting-purple));
  color: var(--gw-canvas-white);
  border: 0;
  cursor: pointer;
  box-shadow: 0 6px 18px rgba(98, 37, 153, 0.32), 0 2px 6px rgba(0, 0, 0, 0.12);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.gw-chatbot-fab:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(98, 37, 153, 0.4), 0 4px 8px rgba(0, 0, 0, 0.14);
}
.gw-chatbot-fab:focus-visible {
  outline: 3px solid var(--gw-blossom-pink);
  outline-offset: 4px;
}
.gw-chatbot-fab svg { width: 28px; height: 28px; pointer-events: none; }
.gw-chatbot-fab-label {
  position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden;
}

/* ---------- Panel ---------- */
.gw-chatbot-panel {
  position: absolute;
  right: 0;
  bottom: 72px;
  width: 380px;
  max-width: calc(100vw - 32px);
  height: 560px;
  max-height: calc(100vh - 96px);
  background: var(--gw-canvas-white);
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.18), 0 4px 12px rgba(0, 0, 0, 0.08);
  display: none;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--gray-100, var(--gray-100));
}
.gw-chatbot-root.is-open .gw-chatbot-panel { display: flex; }

/* ---------- Header ---------- */
.gw-chatbot-header {
  background: linear-gradient(135deg, var(--scouting-purple, var(--gw-scouting-purple)) 0%, #4e1d7a 100%);
  color: var(--gw-canvas-white);
  padding: 14px 14px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.gw-chatbot-header-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.16);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.gw-chatbot-header-avatar svg { width: 20px; height: 20px; }
.gw-chatbot-header-titles { flex: 1; min-width: 0; }
.gw-chatbot-header-title {
  display: block;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.3;
}
.gw-chatbot-header-sub {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 300;
  opacity: 0.9;
  margin-top: 2px;
  letter-spacing: 0.04em;
}
.gw-chatbot-header-sub::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gw-leaf-green);
  box-shadow: 0 0 0 2px rgba(159, 237, 143, 0.3);
}
.gw-chatbot-close {
  background: transparent;
  border: 0;
  color: var(--gw-canvas-white);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s;
}
.gw-chatbot-close:hover { background: rgba(255, 255, 255, 0.16); }
.gw-chatbot-close:focus-visible { outline: 2px solid var(--gw-blossom-pink); outline-offset: 2px; }
.gw-chatbot-close svg { width: 18px; height: 18px; }

/* ---------- Thread ---------- */
.gw-chatbot-thread {
  flex: 1;
  overflow-y: auto;
  padding: 14px 12px 8px;
  -webkit-overflow-scrolling: touch;
  background: #f7f5fb;
  display: flex;
  flex-direction: column;
  gap: 8px;
  scroll-behavior: smooth;
}

/* ---------- Messages ---------- */
.gw-chatbot-msg {
  display: flex;
  width: 100%;
}
.gw-chatbot-msg-bot { justify-content: flex-start; }
.gw-chatbot-msg-user { justify-content: flex-end; }

.gw-chatbot-bubble {
  max-width: 82%;
  padding: 9px 13px;
  border-radius: 16px;
  font-size: 13px;
  line-height: 1.55;
  word-break: keep-all;
  white-space: normal;
}
.gw-chatbot-msg-bot .gw-chatbot-bubble {
  background: var(--gw-canvas-white);
  color: var(--ink, var(--ink));
  border: 1px solid var(--gray-100, var(--gray-100));
  border-top-left-radius: 4px;
}
.gw-chatbot-msg-user .gw-chatbot-bubble {
  background: var(--scouting-purple, var(--gw-scouting-purple));
  color: var(--gw-canvas-white);
  border-top-right-radius: 4px;
}
.gw-chatbot-bubble strong { font-weight: 700; }
.gw-chatbot-bubble a {
  color: var(--scouting-purple, var(--gw-scouting-purple));
  text-decoration: underline;
  font-weight: 600;
}
.gw-chatbot-msg-user .gw-chatbot-bubble a { color: var(--gw-canvas-white); text-decoration: underline; }

/* ---------- Typing indicator ---------- */
.gw-chatbot-typing {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 12px 14px;
}
.gw-chatbot-typing span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gray-500, var(--gray-500));
  animation: gw-chatbot-dot 1.2s infinite ease-in-out;
}
.gw-chatbot-typing span:nth-child(2) { animation-delay: 0.15s; }
.gw-chatbot-typing span:nth-child(3) { animation-delay: 0.3s; }
@keyframes gw-chatbot-dot {
  0%, 60%, 100% { opacity: 0.3; transform: translateY(0); }
  30% { opacity: 1; transform: translateY(-3px); }
}

/* ---------- Quick reply chips ---------- */
.gw-chatbot-msg-chips {
  flex-wrap: wrap;
  gap: 6px;
  padding-left: 4px;
}
.gw-chatbot-chip {
  background: var(--gw-canvas-white);
  color: var(--scouting-purple, var(--gw-scouting-purple));
  border: 1px solid var(--scouting-purple, var(--gw-scouting-purple));
  border-radius: 999px;
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.gw-chatbot-chip:hover {
  background: var(--scouting-purple, var(--gw-scouting-purple));
  color: var(--gw-canvas-white);
}
.gw-chatbot-chip:focus-visible { outline: 2px solid var(--scouting-purple, var(--gw-scouting-purple)); outline-offset: 2px; }

/* ---------- Card (term result, inside bot message) ---------- */
.gw-chatbot-msg-card { padding-left: 4px; }
.gw-chatbot-card {
  background: var(--gw-canvas-white);
  border: 1px solid var(--gray-100, var(--gray-100));
  border-radius: 12px;
  overflow: hidden;
  width: 82%;
  max-width: 82%;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
  transition: border-color 0.15s, box-shadow 0.15s;
}
.gw-chatbot-card:hover {
  border-color: var(--scouting-purple, var(--gw-scouting-purple));
  box-shadow: 0 4px 10px rgba(98, 37, 153, 0.1);
}
.gw-chatbot-card-button {
  width: 100%;
  text-align: left;
  background: transparent;
  border: 0;
  padding: 10px 12px;
  cursor: pointer;
  font-family: inherit;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink, var(--ink));
}
.gw-chatbot-card-button:focus-visible {
  outline: 2px solid var(--scouting-purple, var(--gw-scouting-purple));
  outline-offset: -2px;
}
.gw-chatbot-card-titles { flex: 1; min-width: 0; }
.gw-chatbot-card-ko {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--ink, var(--ink));
  word-break: keep-all;
  line-height: 1.35;
}
.gw-chatbot-card-en {
  display: block;
  font-size: 11px;
  font-weight: 400;
  color: var(--gray-700, var(--gray-700));
  margin-top: 2px;
  letter-spacing: 0.02em;
}
.gw-chatbot-card-arrow {
  width: 14px;
  height: 14px;
  color: var(--gray-500, var(--gray-500));
  transition: transform 0.2s, color 0.15s;
  flex-shrink: 0;
}
.gw-chatbot-card.is-expanded .gw-chatbot-card-arrow {
  transform: rotate(180deg);
  color: var(--scouting-purple, var(--gw-scouting-purple));
}
.gw-chatbot-card-detail {
  display: none;
  padding: 0 12px 12px;
  border-top: 1px solid var(--gray-100, var(--gray-100));
}
.gw-chatbot-card.is-expanded .gw-chatbot-card-detail { display: block; }
.gw-chatbot-card-detail-row {
  font-size: 12.5px;
  line-height: 1.6;
  margin-top: 8px;
  color: var(--ink, var(--ink));
  word-break: keep-all;
}
.gw-chatbot-card-detail-link {
  display: inline-block;
  margin-top: 10px;
  font-size: 12px;
  color: var(--scouting-purple, var(--gw-scouting-purple));
  text-decoration: underline;
  font-weight: 500;
}

/* ---------- Input form ---------- */
.gw-chatbot-form {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-top: 1px solid var(--gray-100, var(--gray-100));
  background: var(--gw-canvas-white);
}
.gw-chatbot-input {
  flex: 1;
  min-width: 0;
  padding: 10px 14px;
  font-size: 13px;
  font-weight: 500;
  font-family: inherit;
  border: 1px solid var(--gray-300, var(--gray-300));
  border-radius: 999px;
  background: var(--gw-canvas-white);
  color: var(--ink, var(--ink));
  transition: border-color 0.15s, box-shadow 0.15s;
  box-sizing: border-box;
  outline: none;
}
.gw-chatbot-input:focus {
  border-color: var(--scouting-purple, var(--gw-scouting-purple));
  box-shadow: 0 0 0 3px rgba(98, 37, 153, 0.12);
}
.gw-chatbot-input::placeholder {
  color: var(--gray-500, var(--gray-500));
  font-weight: 400;
}
.gw-chatbot-send {
  width: 38px;
  height: 38px;
  border: 0;
  border-radius: 50%;
  background: var(--scouting-purple, var(--gw-scouting-purple));
  color: var(--gw-canvas-white);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.15s, transform 0.15s;
}
.gw-chatbot-send:hover { background: #4e1d7a; transform: scale(1.05); }
.gw-chatbot-send:focus-visible { outline: 2px solid var(--gw-blossom-pink); outline-offset: 2px; }
.gw-chatbot-send svg { width: 16px; height: 16px; }

/* ---------- Mobile ---------- */
@media (max-width: 640px) {
  .gw-chatbot-root { right: 16px; bottom: 16px; }
  .gw-chatbot-fab { width: 52px; height: 52px; }
  .gw-chatbot-panel {
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    width: auto;
    max-width: none;
    height: 82vh;
    max-height: 82vh;
    border-radius: 16px 16px 0 0;
  }
  .gw-chatbot-bubble { max-width: 88%; }
  .gw-chatbot-card { width: 88%; max-width: 88%; }
}

/* ---------- Retry button + disabled input states ---------- */
.gw-chatbot-retry {
  display: inline-block;
  margin-top: 6px;
  padding: 4px 10px;
  font: inherit;
  font-size: 12px;
  font-weight: 600;
  color: var(--gw-scouting-purple, var(--gw-scouting-purple));
  background: rgba(98, 37, 153, 0.08);
  border: 1px solid rgba(98, 37, 153, 0.25);
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.15s ease;
}
.gw-chatbot-retry:hover { background: rgba(98, 37, 153, 0.16); }
.gw-chatbot-retry:focus-visible { outline: 2px solid var(--gw-scouting-purple, var(--gw-scouting-purple)); outline-offset: 2px; }

.gw-chatbot-input:disabled,
.gw-chatbot-send:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .gw-chatbot-fab,
  .gw-chatbot-card,
  .gw-chatbot-card-arrow,
  .gw-chatbot-input,
  .gw-chatbot-send,
  .gw-chatbot-thread { transition: none; scroll-behavior: auto; }
  .gw-chatbot-typing span { animation: none; opacity: 0.6; }
}