/* 포트폴리오 챗봇 위젯 — 랜딩·상세 공통 */
.cb{--cb-point:#ff4a17;--cb-bg:#111;--cb-line:#2a2a2a;
  position:fixed;right:clamp(1rem,5vw,5.5rem);bottom:clamp(1rem,4vw,2.2rem);z-index:60;
  font-family:"Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,system-ui,sans-serif;word-break:keep-all}
.cb button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
.cb .cb-fab{display:flex;align-items:center;gap:.5rem;height:52px;padding:0 1.15rem 0 1rem;border-radius:999px;
  background:var(--cb-point);color:#fff!important;font-weight:700;font-size:.92rem;box-shadow:0 8px 24px rgba(0,0,0,.28);transition:transform .2s}
.cb .cb-fab:hover{transform:translateY(-2px)}
.cb-fab svg{width:22px;height:22px}
.cb.open .cb-fab{display:none}

.cb-panel{position:absolute;right:0;bottom:0;width:min(380px,calc(100vw - 2rem));height:min(560px,calc(100svh - 6rem));
  display:flex;flex-direction:column;background:var(--cb-bg);color:#eee;border:1px solid var(--cb-line);border-radius:18px;
  box-shadow:0 20px 50px rgba(0,0,0,.45);overflow:hidden}
.cb-panel[hidden]{display:none}
.cb .cb-head{text-align:left;display:flex;justify-content:space-between;align-items:flex-start;gap:1rem;padding:1rem 1.1rem;border-bottom:1px solid var(--cb-line)}
.cb-head b{display:block;font-size:1rem}
.cb-head small{display:block;margin-top:.2rem;color:#8a8a8a;font-size:.75rem}
.cb-close{font-size:1.6rem!important;line-height:1;color:#9a9a9a!important;padding:0 .2rem}
.cb-close:hover{color:#fff!important}

.cb-log{flex:1;overflow-y:auto;padding:1rem 1.1rem;display:flex;flex-direction:column;gap:.6rem}
.cb-msg{max-width:88%;padding:.65rem .85rem;border-radius:14px;font-size:.9rem;line-height:1.6;white-space:pre-wrap;margin:0}
.cb-msg.bot{align-self:flex-start;background:#1d1d1d;border-top-left-radius:4px}
.cb-msg.me{align-self:flex-end;background:var(--cb-point);color:#fff;border-top-right-radius:4px}
.cb-msg.wait{color:#8a8a8a}
.cb-suggest{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:.2rem}
.cb-suggest button{padding:.45rem .7rem;border:1px solid #3a3a3a!important;border-radius:999px;font-size:.8rem;color:#cfcfcf!important}
.cb-suggest button:hover{border-color:var(--cb-point)!important;color:#fff!important}
.cb-suggest a.link{padding:.45rem .7rem;border-radius:999px;font-size:.8rem;text-decoration:none;
  background:rgba(255,74,23,.12);border:1px solid rgba(255,74,23,.45);color:#ffb39e}
.cb-suggest a.link:hover{background:var(--cb-point);border-color:var(--cb-point);color:#fff}

.cb-form{display:flex;gap:.5rem;padding:.8rem;border-top:1px solid var(--cb-line)}
.cb-form input{flex:1;min-width:0;height:42px;padding:0 .9rem;border:1px solid #333;border-radius:10px;background:#0a0a0a;color:#fff;font:inherit;font-size:.9rem}
.cb-form input:focus{outline:none;border-color:var(--cb-point)}
.cb-form button{width:42px;height:42px;border-radius:10px;background:var(--cb-point)!important;color:#fff!important;display:grid;place-items:center}
.cb-form svg{width:20px;height:20px}

/* 챗봇이 있으면 '맨 위로' 버튼을 그 위로 올린다 */
.has-cb .totop{bottom:calc(clamp(1rem,4vw,2.2rem) + 64px)}

/* 폰 — 바텀시트 */
.cb-dim,.cb-grip{display:none}
@media (max-width:640px){
  .cb-dim:not([hidden]){display:block;position:fixed;inset:0;background:rgba(0,0,0,.5);animation:cb-fade .2s ease}
  .cb-panel{position:fixed;left:0;right:0;bottom:0;width:100%;height:min(78dvh,640px);
    border-radius:20px 20px 0 0;border-bottom:0;padding-bottom:env(safe-area-inset-bottom);
    animation:cb-up .28s cubic-bezier(.2,.8,.2,1);transition:transform .22s ease}
  .cb-grip{display:flex;justify-content:center;padding:.55rem 0 .1rem;touch-action:none}
  .cb-grip span{width:40px;height:4px;border-radius:2px;background:#444}
  .cb .cb-head{padding-top:.5rem;touch-action:none}
  .cb-form input{font-size:16px} /* iOS가 입력할 때 화면을 확대하지 않게 */
  html.cb-lock,html.cb-lock body{overflow:hidden}
}
@keyframes cb-up{from{transform:translateY(100%)}to{transform:none}}
@keyframes cb-fade{from{opacity:0}to{opacity:1}}
@media (prefers-reduced-motion:reduce){.cb-panel,.cb-dim{animation:none!important}}

/* ── 모바일: 물어보기 버튼을 통통 튀게 ── */
@keyframes cb-bounce{
  0%,62%,100%{transform:translateY(0)}
  68%{transform:translateY(-6px)}
  74%{transform:translateY(0)}
  80%{transform:translateY(-3px)}
  86%{transform:translateY(0)}
}
@media (max-width:900px){
  .cb:not(.open) .cb-fab{will-change:transform;animation:cb-bounce 3.2s ease-in-out infinite}
  .cb:not(.open) .cb-fab:hover,.cb:not(.open) .cb-fab:active{animation:none}
}
@media (prefers-reduced-motion:reduce){ .cb .cb-fab{animation:none} }

/* ── 상세 페이지 하단 박스 — 대화 · 입력 · 힌트 칩이 한 박스에 ── */
.cb.docked{right:0;left:0;bottom:var(--kb,0px);width:100%;padding:0;
  transition:bottom .18s ease}
.cb.docked .cb-fab,.cb.docked .cb-panel,.cb.docked .cb-dim{display:none}
.cb-dock[hidden]{display:none}
.cb-dock{position:relative;display:flex;flex-direction:column;gap:.55rem;
  width:min(100% - 24px,760px);margin:0 auto 14px;padding:.7rem .7rem .75rem;
  border:1px solid transparent;border-radius:20px;background-clip:padding-box;
  box-shadow:0 10px 34px rgba(0,0,0,.16);
  transition:transform .26s ease,opacity .26s ease}
.cb.dock-hidden .cb-dock{transform:translateY(130%);opacity:0;pointer-events:none}

/* 대화 로그 — 대화가 시작되기 전에는 감춘다 */
.cb-dock .dock-slot-log{display:none}
.cb-dock.has-msg .dock-slot-log{display:block}
.cb-dock .cb-log{max-height:min(34vh,260px);padding:.3rem .35rem .1rem;gap:.5rem;scroll-behavior:smooth}
.cb-dock .cb-msg{font-size:.88rem;max-width:92%}
.cb-dock .cb-msg.bot{background:#f0f1f3;color:#15181c}
.cb-dock .cb-msg.me{background:var(--cb-point);color:#fff}
.cb-dock .cb-msg.wait{background:none;color:#8d959e}

/* 입력 줄 */
.cb-dock .dock-row{display:flex;align-items:center;gap:.5rem;min-width:0;
  padding:.3rem .35rem .3rem .45rem;border:1px solid #e1e5e9;border-radius:999px;background:#fff}
.cb-dock .dock-row:focus-within{border-color:#c2c7cd;box-shadow:0 0 0 3px rgba(21,24,28,.05)}
.cb-dock .dock-left{display:flex;flex:0 0 auto}
.cb-dock .dock-form{flex:1;display:flex;align-items:center;gap:.4rem;min-width:0}
.cb-dock input{flex:1;min-width:0;height:34px;padding:0 .35rem;border:0;background:none;
  font:inherit;font-size:.92rem;color:#15181c}
.cb-dock input::placeholder{color:#8d959e}
.cb-dock input:focus{outline:none}
.cb-dock .dock-form button{flex:0 0 auto;width:30px;height:30px;border-radius:999px;
  background:#d3d7db!important;color:#fff!important;display:grid;place-items:center;
  transition:background .18s ease;cursor:default}
.cb-dock .dock-form.ready button{background:#15181c!important;cursor:pointer}
.cb-dock .dock-form.ready button:hover{background:#000!important}
.cb-dock .dock-form svg{width:16px;height:16px}

/* 힌트 칩 */
.cb-dock .cb-suggest{margin:0;gap:.35rem}
.cb-dock .cb-suggest button{border:1px solid #dfe3e8!important;color:#565d66!important;
  background:#fff;font-size:.78rem;padding:.4rem .65rem}
.cb-dock .cb-suggest button:hover{border-color:var(--cb-point)!important;color:var(--cb-point)!important}
.cb-dock .cb-suggest a.link{font-size:.78rem;padding:.4rem .65rem;
  background:rgba(255,74,23,.08);border-color:rgba(255,74,23,.35);color:#c6421a}
.cb-dock .cb-suggest a.link:hover{background:var(--cb-point);color:#fff}

/* 목차 버튼 */
.cb-dock .tocbtn{position:static;height:30px;padding:0 .7rem;box-shadow:none;
  border-color:#e1e5e9;background:#f4f5f7;font-size:.76rem;bottom:auto;right:auto}
.cb-dock .tocbtn:hover{background:#eceef1}

.has-cb.has-dock .totop{bottom:96px}
@media (max-width:640px){
  .cb-dock{width:calc(100% - 16px);margin-bottom:10px;padding:.6rem .6rem .65rem;border-radius:18px}
  .cb-dock input{font-size:16px;height:32px}
  .cb-dock .cb-log{max-height:32dvh}
  .cb-dock .tocbtn{padding:0 .6rem;font-size:.74rem}
  .cb-dock .cb-suggest{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}
  .cb-dock .cb-suggest::-webkit-scrollbar{display:none}
  .cb-dock .cb-suggest button,.cb-dock .cb-suggest a.link{flex:0 0 auto}
}

/* ── 박스 테두리 그라디언트 애니메이션 ── */
@property --cb-ang{syntax:'<angle>';initial-value:0deg;inherits:false}
@keyframes cb-spin{to{--cb-ang:360deg}}
.cb-dock::before{content:"";position:absolute;inset:-1.5px;border-radius:inherit;z-index:-1;
  background:conic-gradient(from var(--cb-ang),
    #ffc9c2, #ffe3bd, #f3f1c0, #c6ecd5, #c3d8f0, #d9cdf0, #ffc9c2);
  animation:cb-spin 5s linear infinite}
.cb-dock::after{content:"";position:absolute;inset:0;border-radius:inherit;z-index:-1;
  background:rgba(255,255,255,.96);backdrop-filter:blur(10px)}
@supports not (background: conic-gradient(from 0deg, red, blue)){
  .cb-dock{border-color:#e1e5e9}
  .cb-dock::before,.cb-dock::after{display:none}
}
@media (prefers-reduced-motion:reduce){ .cb-dock::before{animation:none} }

/* 랜딩 — 목차 버튼이 없으니 입력칸이 전체를 쓴다 */
.cb-dock .dock-left:empty{display:none}

/* 키보드가 올라온 동안에는 숨기지 않는다 */
.cb.docked.kb .cb-dock{transform:none;opacity:1;pointer-events:auto}

/* ── 챗봇임을 드러내는 헤더 ── */
.cb-dock .dock-top{display:flex;align-items:center;gap:.5rem;padding:.1rem .25rem .15rem;line-height:1}
.cb-dock .dock-av{width:26px;height:26px;flex:0 0 auto;border-radius:50%;object-fit:contain;
  border:1px solid #e1e5e9;display:block;
  animation:cb-live 2.6s ease-out infinite}
.cb-dock .dock-top b{font-size:.84rem;letter-spacing:-.01em;color:#15181c;line-height:1}
.cb-dock .dock-sub{flex:1;min-width:0;font-size:.74rem;line-height:1;color:#8d959e;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
@keyframes cb-live{
  0%{box-shadow:0 0 0 0 rgba(255,74,23,.45)}
  70%{box-shadow:0 0 0 9px rgba(255,74,23,0)}
  100%{box-shadow:0 0 0 0 rgba(255,74,23,0)}}

/* 답을 쓰는 동안 점 세 개 */
.cb-dock .cb-msg.wait{display:inline-flex;gap:4px;align-items:center;padding:.7rem .85rem;background:#f0f1f3}
.cb-dock .cb-msg.wait i{width:6px;height:6px;border-radius:50%;background:#9aa1a8;display:block;
  animation:cb-dot 1.1s ease-in-out infinite}
.cb-dock .cb-msg.wait i:nth-child(2){animation-delay:.16s}
.cb-dock .cb-msg.wait i:nth-child(3){animation-delay:.32s}
@keyframes cb-dot{0%,80%,100%{opacity:.3;transform:translateY(0)}40%{opacity:1;transform:translateY(-3px)}}

/* 봇 말풍선 앞 얼굴 */
.cb-dock .cb-msg.bot{position:relative;margin-left:28px}
.cb-dock .cb-msg.bot::before{content:"";position:absolute;left:-28px;top:2px;width:22px;height:22px;
  border-radius:50%;border:1px solid #e1e5e9;background:#f0f1f3 url("img/me-avatar.jpg?v=3") center/contain no-repeat}

@media (prefers-reduced-motion:reduce){
  .cb-dock .dock-av,.cb-dock .cb-msg.wait i{animation:none}
}
@media (max-width:640px){
  .cb-dock .dock-sub{display:none}
  .cb-dock .dock-fold{margin-left:auto}
}

/* 챗봇 답변 안 문서 링크 */
.cb-dock .cb-doclinks{display:flex;flex-wrap:wrap;gap:.35rem;margin:.1rem 0 .2rem 28px}
.cb-dock .cb-doclink{padding:.4rem .7rem;border-radius:999px;font-size:.78rem;text-decoration:none;
  background:rgba(255,74,23,.08);border:1px solid rgba(255,74,23,.35);color:#a8371a}
.cb-dock .cb-doclink:hover{background:var(--cb-point);border-color:var(--cb-point);color:#fff}

/* 대화 접기 */
.cb-dock .dock-fold{display:none;flex:0 0 auto;width:26px;height:26px;border:0;border-radius:8px;
  background:none;color:#8d959e;cursor:pointer;place-items:center;padding:0}
.cb-dock.has-msg .dock-fold{display:grid}
.cb-dock .dock-fold:hover{background:#f0f1f3;color:#15181c}
.cb-dock .dock-fold svg{width:16px;height:16px;transition:transform .2s ease;transform:rotate(180deg)}
.cb-dock.folded .dock-fold svg{transform:none}
.cb-dock.folded .dock-slot-log{display:none}