.cb{--cb-ink:#212529;--cb-ink-soft:#495057;--cb-bg:#f8f9fa;--cb-bg-deep:#f1f3f5;--cb-surface:#fff;--cb-brand:#185fa5;--cb-brand-dark:#073050;--cb-brand-fog:#d8e4f0;--cb-terracotta:#c5503a;--cb-muted:#868e96;--cb-line:#e9ecef;--cb-line-soft:#f1f3f5;z-index:100;color:var(--cb-ink);font-family:Manrope,system-ui,sans-serif;position:fixed;bottom:28px;right:28px}.cb__launcher{background:var(--cb-brand-dark);width:54px;height:54px;color:var(--cb-surface);cursor:pointer;border:none;border-radius:50%;justify-content:center;align-items:center;transition:transform .3s cubic-bezier(.2,.8,.2,1.1),box-shadow .3s;display:flex;position:relative;box-shadow:0 10px 26px #08142438,0 2px 5px #0814241a,inset 0 0 0 1px #ffffff14}.cb__launcher:hover{transform:translateY(-3px);box-shadow:0 16px 36px #08142447,0 2px 5px #0814241a,inset 0 0 0 1px #ffffff1f}.cb__icon{width:24px;height:24px;transition:transform .3s cubic-bezier(.2,.8,.2,1.1),opacity .2s}.cb--open .cb__icon{opacity:0;transform:scale(.6)rotate(-45deg)}.cb__close{opacity:0;pointer-events:none;background:linear-gradient(currentColor,currentColor) 50%/100% 1.5px no-repeat,linear-gradient(currentColor,currentColor) 50%/1.5px 100% no-repeat;width:16px;height:16px;transition:transform .3s cubic-bezier(.2,.8,.2,1.1),opacity .2s 50ms;position:absolute;transform:rotate(45deg)scale(.5)}.cb--open .cb__close{opacity:1;transform:rotate(45deg)scale(1)}.cb__pulse{border:1px solid var(--cb-brand-dark);opacity:0;pointer-events:none;border-radius:50%;animation:2.6s ease-out infinite cb-pulse;position:absolute;inset:-3px}.cb--open .cb__pulse{display:none}@keyframes cb-pulse{0%{opacity:.5;transform:scale(.96)}to{opacity:0;transform:scale(1.35)}}.cb__launcher-badge{background:var(--cb-terracotta);color:#fff;border:2px solid var(--cb-surface);pointer-events:none;border-radius:10px;justify-content:center;align-items:center;min-width:20px;height:20px;padding:0 5px;font-family:Manrope,system-ui,sans-serif;font-size:11px;font-weight:700;line-height:1;display:flex;position:absolute;top:-3px;right:-3px;box-shadow:0 2px 6px #08142440}.cb__panel{background:var(--cb-surface);width:408px;height:580px;max-height:calc(100dvh - 128px);box-shadow:0 32px 80px #08142438, 0 8px 16px #0814240f, inset 0 0 0 1px var(--cb-line);transform-origin:100% 100%;opacity:0;pointer-events:none;border-radius:14px;flex-direction:column;transition:transform .35s cubic-bezier(.2,.9,.25,1.08),opacity .25s;display:flex;position:absolute;bottom:72px;right:0;overflow:hidden;transform:scale(.6)translateY(40px)}.cb--open .cb__panel{opacity:1;pointer-events:auto;transform:scale(1)translateY(0)}.cb__header{border-bottom:1px solid var(--cb-line);background:linear-gradient(180deg, var(--cb-surface) 0%, var(--cb-bg) 100%), var(--cb-surface);padding:20px 24px 16px;position:relative}.cb__overline{letter-spacing:.32em;text-transform:uppercase;color:var(--cb-brand-dark);margin-bottom:6px;font-size:9px;font-weight:700}.cb__title{letter-spacing:-.025em;color:var(--cb-brand-dark);margin:0;font-family:Pretendard Variable,Pretendard,Manrope,system-ui,sans-serif;font-size:22px;font-weight:700}.cb__sub{color:var(--cb-muted);letter-spacing:.02em;align-items:center;gap:8px;margin-top:8px;font-family:JetBrains Mono,ui-monospace,monospace;font-size:11px;display:flex}.cb__sub:before{content:"";background:var(--cb-brand);border-radius:50%;width:6px;height:6px;animation:2.4s ease-in-out infinite cb-heartbeat;box-shadow:0 0 0 3px #185fa540}.cb__sub.cb__sub--off:before{background:var(--cb-muted);animation:none;box-shadow:0 0 0 3px #868e962e}@keyframes cb-heartbeat{0%,to{opacity:1}50%{opacity:.45}}.cb__header-actions{gap:8px;display:flex;position:absolute;top:16px;right:18px}.cb__link{letter-spacing:.08em;color:var(--cb-muted);cursor:pointer;text-transform:uppercase;background:0 0;border:none;padding:2px 4px;font-family:JetBrains Mono,ui-monospace,monospace;font-size:10px}.cb__link:hover{color:var(--cb-brand)}.cb__messages{background:var(--cb-surface);scroll-behavior:smooth;flex-direction:column;flex:1;gap:14px;padding:22px 22px 14px;display:flex;overflow-y:auto}.cb__messages::-webkit-scrollbar{width:5px}.cb__messages::-webkit-scrollbar-track{background:0 0}.cb__messages::-webkit-scrollbar-thumb{background:var(--cb-line);border-radius:3px}.cb__messages::-webkit-scrollbar-thumb:hover{background:var(--cb-brand)}.cb__msg{max-width:82%;font-size:14px;line-height:1.55;animation:.26s cubic-bezier(.2,.7,.2,1) cb-slideIn}@keyframes cb-slideIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.cb__msg--user{align-self:flex-end}.cb__msg--user .cb__bubble{background:var(--cb-brand-dark);color:var(--cb-surface);white-space:pre-wrap;word-wrap:break-word;border-radius:12px 12px 3px;padding:10px 14px}.cb__msg--bot{align-self:flex-start}.cb__msg--bot .cb__bubble{background:var(--cb-bg);color:var(--cb-ink);border:1px solid var(--cb-line-soft);white-space:pre-wrap;word-wrap:break-word;border-radius:3px 12px 12px;padding:12px 16px}.cb__bubble.is-loading:after{content:"▍";color:var(--cb-brand-dark);margin-left:2px;font-weight:400;animation:1s steps(2,end) infinite cb-blink}@keyframes cb-blink{to{opacity:0}}.cb__rate{align-items:center;gap:6px;margin-top:5px;padding-left:2px;display:flex}.cb__rate-q{color:var(--cb-muted);font-family:JetBrains Mono,ui-monospace,monospace;font-size:10.5px}.cb__rate-btn{border:1px solid var(--cb-line);background:var(--cb-surface);width:24px;height:24px;color:var(--cb-muted);cursor:pointer;border-radius:6px;justify-content:center;align-items:center;transition:background .15s,border-color .15s,color .15s;display:inline-flex}.cb__rate-btn svg{width:13px;height:13px}.cb__rate-btn:hover{border-color:var(--cb-brand);color:var(--cb-brand);background:var(--cb-brand-fog)}.cb__rate-done{color:var(--cb-brand);font-family:JetBrains Mono,ui-monospace,monospace;font-size:10.5px}.cb__welcome{text-align:center;align-self:center;width:100%;padding:24px 14px 8px}.cb__quote{color:var(--cb-brand-dark);letter-spacing:-.04em;margin-bottom:16px;font-family:Fraunces,Georgia,serif;font-size:56px;font-style:italic;font-weight:300;line-height:.6}.cb__welcome-text{color:var(--cb-ink-soft);padding:0 12px;font-family:Fraunces,Georgia,serif;font-size:13.5px;font-style:italic;font-weight:300;line-height:1.55}.cb__hints{flex-direction:column;gap:6px;margin-top:22px;display:flex}.cb__hint{border:1px solid var(--cb-line);cursor:pointer;text-align:left;color:var(--cb-ink-soft);background:0 0;border-radius:2px;padding:9px 14px;font-family:Manrope,system-ui,sans-serif;font-size:12.5px;transition:all .18s}.cb__hint:hover{background:var(--cb-bg);border-color:var(--cb-brand);color:var(--cb-ink);transform:translate(2px)}.cb__hint:before{content:"→";color:var(--cb-brand);margin-right:8px;transition:transform .18s;display:inline-block}.cb__hint:hover:before{transform:translate(2px)}.cb__status{color:var(--cb-muted);letter-spacing:.04em;background:var(--cb-surface);border-top:1px solid var(--cb-line-soft);min-height:22px;padding:6px 24px;font-family:JetBrains Mono,ui-monospace,monospace;font-size:10px}.cb__status.is-error{color:var(--cb-terracotta)}.cb__switch{background:var(--cb-surface);flex-direction:column;align-items:center;gap:5px;padding:8px 16px 10px;display:flex}.cb__switch-hint{letter-spacing:.02em;color:var(--cb-muted);font-family:JetBrains Mono,ui-monospace,monospace;font-size:10.5px}.cb__switch-btn{cursor:pointer;border-radius:999px;align-items:center;gap:7px;padding:8px 16px;font-family:Manrope,system-ui,sans-serif;font-size:12.5px;font-weight:600;transition:background .18s,border-color .18s,color .18s,transform .18s;display:inline-flex}.cb__switch-btn svg{flex-shrink:0;width:15px;height:15px}.cb__switch-btn:disabled{opacity:.5;cursor:not-allowed}.cb__switch-btn--human{color:var(--cb-brand);background:var(--cb-brand-fog);border:1px solid #0000}.cb__switch-btn--human:hover:not(:disabled){background:#cbdcee;transform:translateY(-1px)}.cb__switch-btn--ai{color:var(--cb-ink-soft);border:1px solid var(--cb-line);background:0 0}.cb__switch-btn--ai:hover{background:var(--cb-bg);border-color:var(--cb-muted);color:var(--cb-ink)}.cb__confirm{flex-direction:column;align-items:center;gap:8px;width:100%;display:flex}.cb__confirm-text{color:var(--cb-ink-soft);text-align:center;font-size:12px;font-weight:600}.cb__confirm-actions{gap:8px;display:flex}.cb__confirm-btn{cursor:pointer;border-radius:999px;padding:7px 16px;font-family:Manrope,system-ui,sans-serif;font-size:12.5px;font-weight:600;transition:background .18s,border-color .18s,color .18s}.cb__confirm-btn--cancel{color:var(--cb-ink-soft);border:1px solid var(--cb-line);background:0 0}.cb__confirm-btn--cancel:hover{background:var(--cb-bg);border-color:var(--cb-muted)}.cb__confirm-btn--end{color:#fff;background:var(--cb-terracotta);border:1px solid #0000}.cb__confirm-btn--end:hover{background:#a8412e}.cb__form{background:var(--cb-surface);border-top:1px solid var(--cb-line-soft);align-items:center;gap:10px;padding:10px 18px 16px;display:flex}.cb__input{color:var(--cb-ink);background:0 0;border:none;outline:none;flex:1;padding:9px 4px;font-family:inherit;font-size:14px}.cb__input::placeholder{color:var(--cb-muted);font-style:italic}.cb__send{background:var(--cb-brand-dark);width:38px;height:38px;color:var(--cb-surface);cursor:pointer;border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;transition:background .18s,transform .18s;display:flex}.cb__send:hover:not(:disabled){background:var(--cb-brand);transform:translate(2px)}.cb__send:disabled{opacity:.35;cursor:not-allowed}.cb__send svg{width:15px;height:15px}.cb__keyform{flex-direction:column;flex:1;gap:12px;padding:22px 22px 16px;display:flex;overflow-y:auto}.cb__keyform-title{color:var(--cb-ink);margin:0;font-family:Fraunces,Georgia,serif;font-size:18px;font-style:italic}.cb__keyform-desc{color:var(--cb-ink-soft);margin:0;font-size:12.5px;line-height:1.6}.cb__keyform-desc a{color:var(--cb-brand-dark);text-underline-offset:2px;text-decoration:underline}.cb__keyform-input{border:1px solid var(--cb-line);background:var(--cb-surface);color:var(--cb-ink);border-radius:4px;outline:none;padding:10px 12px;font-family:JetBrains Mono,ui-monospace,monospace;font-size:12px;transition:border-color .18s}.cb__keyform-input:focus{border-color:var(--cb-brand-dark)}.cb__keyform-btn{background:var(--cb-brand-dark);color:var(--cb-surface);cursor:pointer;letter-spacing:.02em;border:none;border-radius:4px;padding:11px 16px;font-family:Manrope,system-ui,sans-serif;font-size:13px;font-weight:600;transition:background .18s}.cb__keyform-btn:hover{background:var(--cb-brand)}.cb__keyform-btn:disabled{opacity:.4;cursor:not-allowed}.cb__keyform-note{color:var(--cb-muted);margin-top:4px;font-size:11px;line-height:1.5}@media (max-width:480px){.cb{bottom:16px;right:16px}.cb__panel{width:auto;height:calc(100dvh - 116px);max-height:calc(100dvh - 116px);position:fixed;bottom:96px;left:16px;right:16px}}