:root{--k-bg:#0f172a;--k-surface:#1e293b;--k-border:#334155;--k-accent:#3b82f6;--k-accent-hover:#2563eb;--k-text:#f1f5f9;--k-muted:#94a3b8;--k-user-bg:#1d4ed8;--k-user-text:#eff6ff;--k-bot-bg:#1e293b;--k-bot-text:#e2e8f0;--k-radius:16px;--k-panel-w:360px;--k-panel-h:520px;--k-z:9000}.kairos-fab{bottom:24px;right:calc(20px + var(--sb-w,0px));z-index:var(--k-z);background:var(--k-bg);color:var(--k-accent);border:1.5px solid var(--k-border);cursor:pointer;-webkit-user-select:none;user-select:none;border-radius:999px;align-items:center;gap:8px;padding:10px 16px 10px 12px;font-size:12px;font-weight:700;transition:background .15s,transform .15s,box-shadow .15s;display:flex;position:fixed;box-shadow:0 4px 24px #0006}.kairos-fab:hover{background:#1e293b;transform:translateY(-1px);box-shadow:0 6px 32px #3b82f640}.kairos-fab--active{background:var(--k-accent);color:#fff;border-color:var(--k-accent)}.kairos-fab--active:hover{background:var(--k-accent-hover)}.kairos-fab-label{color:var(--k-text)}.kairos-fab-badge{color:#fff;background:#ef4444;border-radius:999px;padding:1px 6px;font-size:12px;font-weight:800;line-height:1.4}.kairos-fab-icon{flex-shrink:0}.kairos-panel{bottom:80px;right:calc(20px + var(--sb-w,0px));z-index:var(--k-z);width:var(--k-panel-w);height:var(--k-panel-h);background:var(--k-bg);border:1.5px solid var(--k-border);border-radius:var(--k-radius);flex-direction:column;animation:.18s ease-out kairos-slide-in;display:flex;position:fixed;overflow:hidden;box-shadow:0 16px 64px #0009,0 0 0 1px #3b82f614}@keyframes kairos-slide-in{0%{opacity:0;transform:translateY(12px)scale(.97)}to{opacity:1;transform:translateY(0)scale(1)}}.kairos-header{border-bottom:1px solid var(--k-border);background:linear-gradient(135deg,#0f172a 0%,#1a2744 100%);flex-shrink:0;justify-content:space-between;align-items:center;padding:12px 16px;display:flex}.kairos-header-identity{align-items:center;gap:10px;display:flex}.kairos-header-icon{color:var(--k-accent);background:#3b82f61f;border:1px solid #3b82f633;border-radius:10px;justify-content:center;align-items:center;width:36px;height:36px;display:flex}.kairos-header-name{color:var(--k-text);margin:0;font-size:13px;font-weight:800}.kairos-header-sub{color:var(--k-muted);margin:0;font-size:12px}.kairos-header-actions{align-items:center;gap:4px;display:flex}.kairos-btn-ghost{color:var(--k-muted);cursor:pointer;background:0 0;border:none;border-radius:6px;padding:4px 8px;font-size:12px;transition:color .12s,background .12s}.kairos-btn-ghost:hover{color:var(--k-text);background:#ffffff0f}.kairos-btn-close{padding:4px 8px;font-size:14px}.kairos-messages{scrollbar-width:thin;scrollbar-color:var(--k-border) transparent;flex-direction:column;flex:1;gap:8px;padding:16px 12px 8px;display:flex;overflow-y:auto}.kairos-messages::-webkit-scrollbar{width:4px}.kairos-messages::-webkit-scrollbar-track{background:0 0}.kairos-messages::-webkit-scrollbar-thumb{background:var(--k-border);border-radius:4px}.kairos-welcome{text-align:center;flex-direction:column;align-items:center;padding:16px 8px 8px;display:flex}.kairos-welcome-icon{color:var(--k-accent);opacity:.7;margin-bottom:12px}.kairos-welcome-title{color:var(--k-text);margin:0 0 6px;font-size:15px;font-weight:700}.kairos-welcome-sub{color:var(--k-muted);margin:0 0 16px;font-size:12px;line-height:1.5}.kairos-prompts{flex-direction:column;gap:6px;width:100%;display:flex}.kairos-prompts--inline{margin-top:4px}.kairos-prompt-btn{background:var(--k-surface);border:1px solid var(--k-border);color:var(--k-text);cursor:pointer;text-align:left;border-radius:8px;padding:8px 12px;font-size:12px;line-height:1.4;transition:background .12s,border-color .12s}.kairos-prompt-btn:hover{color:#93c5fd;background:#3b82f61a;border-color:#3b82f666}.kairos-msg{align-items:flex-end;gap:6px;display:flex}.kairos-msg--user{flex-direction:row-reverse}.kairos-msg-avatar{color:var(--k-accent);background:#3b82f61f;border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;width:24px;height:24px;display:flex}.kairos-msg-bubble{border-radius:12px;max-width:80%;padding:8px 12px;font-size:13px;line-height:1.5}.kairos-msg--user .kairos-msg-bubble{background:var(--k-user-bg);color:var(--k-user-text);border-bottom-right-radius:4px}.kairos-msg--bot .kairos-msg-bubble{background:var(--k-bot-bg);color:var(--k-bot-text);border:1px solid var(--k-border);border-bottom-left-radius:4px}.kairos-typing{align-items:center;gap:3px;height:16px;display:inline-flex}.kairos-typing span{background:var(--k-muted);border-radius:50%;width:5px;height:5px;animation:1.2s ease-in-out infinite kairos-bounce}.kairos-typing span:nth-child(2){animation-delay:.2s}.kairos-typing span:nth-child(3){animation-delay:.4s}@keyframes kairos-bounce{0%,80%,to{opacity:.4;transform:translateY(0)}40%{opacity:1;transform:translateY(-4px)}}.kairos-pdf-bar{background:#3b82f614;border-top:1px solid #3b82f633;flex-shrink:0;align-items:center;gap:6px;padding:8px 12px;display:flex}.kairos-pdf-btn{background:var(--k-accent);color:#fff;cursor:pointer;text-align:left;border:none;border-radius:8px;flex:1;padding:8px 14px;font-size:12px;font-weight:700;transition:opacity .12s,background .12s}.kairos-pdf-btn:hover:not(:disabled){background:var(--k-accent-hover)}.kairos-pdf-btn:disabled,.kairos-pdf-btn--loading{opacity:.7;cursor:not-allowed}.kairos-pdf-dismiss{color:var(--k-muted);cursor:pointer;background:0 0;border:none;border-radius:6px;padding:4px 8px;font-size:13px}.kairos-pdf-dismiss:hover{color:var(--k-text)}.kairos-input-area{border-top:1px solid var(--k-border);background:var(--k-surface);flex-shrink:0;align-items:flex-end;gap:8px;padding:10px 12px;display:flex}.kairos-input{border:1px solid var(--k-border);color:var(--k-text);resize:none;background:#ffffff0d;border-radius:10px;outline:none;flex:1;max-height:96px;padding:8px 12px;font-family:inherit;font-size:13px;line-height:1.5;transition:border-color .12s;overflow-y:auto}.kairos-input::placeholder{color:var(--k-muted)}.kairos-input:focus{border-color:var(--k-accent)}.kairos-input:disabled{opacity:.5}.kairos-send-btn{background:var(--k-accent);color:#fff;cursor:pointer;border:none;border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;transition:background .12s,transform .1s;display:flex}.kairos-send-btn:hover:not(:disabled){background:var(--k-accent-hover);transform:scale(1.05)}.kairos-send-btn:disabled{background:var(--k-border);cursor:not-allowed;opacity:.5}.kairos-para{margin:0 0 6px;font-size:13px;line-height:1.55}.kairos-para:last-child{margin-bottom:0}.kairos-heading{color:var(--k-text);margin:8px 0 4px;font-size:13px;font-weight:700}.kairos-heading--lg{margin-top:10px;font-size:14px}.kairos-divider{border:none;border-top:1px solid var(--k-border);margin:8px 0}.kairos-list{flex-direction:column;gap:3px;margin:4px 0 8px;padding:0;list-style:none;display:flex}.kairos-list-item{padding-left:14px;font-size:13px;line-height:1.5;position:relative}.kairos-list-item:before{content:"·";color:var(--k-accent);font-weight:900;position:absolute;left:4px}.kairos-project-link{color:#93c5fd;cursor:pointer;white-space:nowrap;background:#3b82f61f;border:1px solid #3b82f64d;border-radius:6px;align-items:center;gap:4px;padding:2px 8px;font-size:12px;font-weight:600;transition:background .12s,border-color .12s;display:inline-flex}.kairos-project-link:hover{color:#bfdbfe;background:#3b82f638;border-color:#3b82f680}@media (width<=960px){.kairos-fab{bottom:72px;right:16px}.kairos-panel{bottom:132px;right:16px}}@media (width<=480px){.kairos-panel{border-radius:var(--k-radius) var(--k-radius) 0 0;width:100%;height:65vh;bottom:64px;right:0}.kairos-fab{bottom:72px;right:16px}}