.chat-shell{--chat-dark:#060b1e;--chat-dark-2:#0b1530;--chat-accent:#0066ff;--chat-accent-soft:#4d94ff;--chat-teal:#00d4aa;--chat-ink:#e8edf8;--chat-muted:#97a1b8;--chat-border:rgba(255,255,255,0.08);--chat-card:rgba(255,255,255,0.04);--chat-radius:16px;display:flex;flex-direction:column;height:100%;min-height:0;width:100%;color:var(--chat-ink);background:radial-gradient(90% 60% at 100% 0,rgba(0,212,170,.07) 0,transparent 55%),radial-gradient(80% 55% at 0 100%,rgba(0,102,255,.1) 0,transparent 55%),linear-gradient(160deg,var(--chat-dark) 0,var(--chat-dark-2) 100%)}.chat-header{justify-content:space-between;padding:.9rem 1.25rem;border-bottom:1px solid var(--chat-border);flex-shrink:0}.chat-header,.chat-header-identity{display:flex;align-items:center;gap:.75rem}.chat-header-identity{min-width:0}.chat-avatar{position:relative;width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0;color:#fff;background:linear-gradient(135deg,var(--chat-accent) 0,var(--chat-teal) 120%);box-shadow:0 0 24px rgba(0,212,170,.25)}.chat-avatar-status{position:absolute;bottom:-2px;right:-2px;width:11px;height:11px;border-radius:50%;background:var(--chat-teal);border:2px solid var(--chat-dark)}.chat-avatar-status:after{content:"";position:absolute;inset:-2px;border-radius:50%;background:rgba(0,212,170,.6);animation:chat-ping 2.2s ease-out infinite}@keyframes chat-ping{0%{transform:scale(.9);opacity:.8}70%,to{transform:scale(2.1);opacity:0}}.chat-header-title{font-size:1rem;font-weight:600;color:#fff;line-height:1.2;margin:0}.chat-header-sub{font-size:.75rem;color:var(--chat-muted);margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-header-actions{display:flex;align-items:center;gap:.5rem;flex-shrink:0}.chat-btn-ghost{display:inline-flex;align-items:center;gap:.4rem;padding:.45rem .8rem;font-size:.8rem;font-weight:500;color:var(--chat-muted);background:transparent;border:1px solid var(--chat-border);border-radius:10px;cursor:pointer;transition:color .2s ease,border-color .2s ease,background .2s ease}.chat-btn-ghost:hover{color:#fff;border-color:rgba(255,255,255,.25);background:rgba(255,255,255,.05)}.chat-btn-cta{display:inline-flex;align-items:center;gap:.4rem;padding:.45rem .9rem;font-size:.8rem;font-weight:600;color:#04121c;background:linear-gradient(92deg,var(--chat-teal) 0,#3be3c0 100%);border:none;border-radius:10px;cursor:pointer;text-decoration:none;transition:transform .2s ease,box-shadow .2s ease;box-shadow:0 4px 18px rgba(0,212,170,.25)}.chat-btn-cta:hover{transform:translateY(-1px);box-shadow:0 8px 26px rgba(0,212,170,.35)}.chat-scroll{position:relative;flex:1;min-height:0;overflow-y:auto;overflow-x:hidden;padding:1.25rem 1.25rem .5rem;scroll-behavior:smooth;scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.15) transparent}.chat-scroll::-webkit-scrollbar{width:6px}.chat-scroll::-webkit-scrollbar-track{background:transparent}.chat-scroll::-webkit-scrollbar-thumb{background:rgba(255,255,255,.15);border-radius:20px}.chat-messages{display:flex;flex-direction:column;gap:1rem;max-width:860px;margin:0 auto}.chat-row{display:flex}.chat-row--user{justify-content:flex-end}.chat-row--assistant{justify-content:flex-start}.chat-bubble{max-width:min(85%,640px);padding:.8rem 1.05rem;border-radius:var(--chat-radius);font-size:.93rem;line-height:1.65;overflow-wrap:anywhere}.chat-bubble--user{background:linear-gradient(120deg,var(--chat-accent) 0,#0052cc 100%);color:#fff;border-bottom-right-radius:6px;box-shadow:0 6px 22px rgba(0,102,255,.25);white-space:pre-wrap}.chat-bubble--assistant{background:var(--chat-card);border:1px solid var(--chat-border);border-bottom-left-radius:6px;color:var(--chat-ink);backdrop-filter:blur(6px)}.chat-bubble-meta{font-size:.68rem;color:var(--chat-muted);margin-top:.3rem;letter-spacing:.02em}.chat-row--user .chat-bubble-meta{text-align:right;padding-right:.35rem}.chat-row--assistant .chat-bubble-meta{padding-left:.35rem}.chat-caret{display:inline-block;width:8px;height:8px;margin-left:4px;border-radius:50%;background:var(--chat-teal);vertical-align:baseline;animation:chat-caret-pulse .9s ease-in-out infinite}@keyframes chat-caret-pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.75)}}.chat-thinking{display:flex;align-items:center;gap:.6rem;min-height:1.5rem}.chat-thinking-orbit{position:relative;width:18px;height:18px;flex-shrink:0}.chat-thinking-orbit:before{content:"";position:absolute;inset:0;border-radius:50%;border:2px solid rgba(0,212,170,.2);border-top:2px solid var(--chat-teal);animation:chat-spin .9s linear infinite}@keyframes chat-spin{to{transform:rotate(1turn)}}.chat-thinking-label{font-size:.88rem;font-weight:500;background:linear-gradient(100deg,var(--chat-muted) 20%,#ffffff 45%,var(--chat-teal) 55%,var(--chat-muted) 80%);background-size:220% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:chat-shimmer 2.4s linear infinite}@keyframes chat-shimmer{0%{background-position:120% 0}to{background-position:-120% 0}}.chat-md>:first-child{margin-top:0}.chat-md>:last-child{margin-bottom:0}.chat-md p{margin:0 0 .7rem}.chat-md strong{color:#fff;font-weight:600}.chat-md h1,.chat-md h2,.chat-md h3,.chat-md h4{color:#fff;font-weight:600;line-height:1.3;margin:1rem 0 .45rem}.chat-md h1{font-size:1.15rem}.chat-md h2{font-size:1.08rem}.chat-md h3{font-size:1rem}.chat-md h4{font-size:.95rem}.chat-md ol,.chat-md ul{margin:0 0 .7rem;padding-left:1.35rem}.chat-md ul{list-style:disc}.chat-md ol{list-style:decimal}.chat-md li{margin:.2rem 0}.chat-md li::marker{color:var(--chat-teal)}.chat-md a{color:var(--chat-teal);text-decoration:underline;text-underline-offset:2px;transition:color .15s ease}.chat-md a:hover{color:#5ef0d3}.chat-md code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.84em;background:rgba(255,255,255,.08);border:1px solid var(--chat-border);border-radius:6px;padding:.12rem .38rem}.chat-md pre{background:rgba(0,0,0,.35);border:1px solid var(--chat-border);border-radius:10px;padding:.85rem 1rem;overflow-x:auto;margin:0 0 .7rem}.chat-md pre code{background:transparent;border:none;padding:0;display:block;white-space:pre}.chat-md blockquote{border-left:3px solid var(--chat-teal);margin:0 0 .7rem;padding:.15rem 0 .15rem .85rem;color:var(--chat-muted)}.chat-md table{display:block;width:-moz-max-content;width:max-content;max-width:100%;overflow-x:auto;border-collapse:collapse;margin:0 0 .7rem;font-size:.86rem}.chat-md td,.chat-md th{border:1px solid var(--chat-border);padding:.4rem .65rem;text-align:left}.chat-md th{color:#fff;background:rgba(255,255,255,.05)}.chat-md hr{border:none;border-top:1px solid var(--chat-border);margin:.9rem 0}.chat-refs{display:flex;flex-direction:column;gap:.5rem;margin-top:.6rem;max-width:min(85%,640px)}.chat-refs-label{font-size:.68rem;font-weight:600;text-transform:uppercase;letter-spacing:.09em;color:var(--chat-teal);padding-left:.2rem}.chat-ref-card{display:flex;align-items:center;gap:.85rem;padding:.75rem .95rem;border-radius:12px;background:var(--chat-card);border:1px solid var(--chat-border);text-decoration:none;transition:border-color .2s ease,background .2s ease,transform .2s ease}.chat-ref-card:hover{border-color:rgba(0,212,170,.45);background:rgba(0,212,170,.06);transform:translateX(3px)}.chat-ref-badge{width:38px;height:38px;border-radius:10px;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:.78rem;font-weight:700;letter-spacing:.04em;color:rgba(255,255,255,.92);background:radial-gradient(120% 140% at 85% 12%,rgba(0,212,170,.35) 0,transparent 50%),linear-gradient(135deg,#12204a,rgba(0,102,255,.55) 130%);border:1px solid var(--chat-border)}.chat-ref-body{min-width:0;flex:1}.chat-ref-title{font-size:.85rem;font-weight:600;color:#fff;margin:0}.chat-ref-status,.chat-ref-title{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-ref-status{font-size:.74rem;color:var(--chat-muted);margin:.1rem 0 0}.chat-ref-arrow{color:var(--chat-teal);flex-shrink:0;transition:transform .2s ease}.chat-ref-card:hover .chat-ref-arrow{transform:translateX(3px)}.chat-actions{display:flex;align-items:center;gap:.4rem;margin-top:.45rem;padding-left:.15rem}.chat-action-btn{display:inline-flex;align-items:center;gap:.35rem;padding:.32rem .7rem;font-size:.74rem;font-weight:500;color:var(--chat-muted);background:transparent;border:1px solid var(--chat-border);border-radius:999px;cursor:pointer;text-decoration:none;transition:color .2s ease,border-color .2s ease,background .2s ease}.chat-action-btn:hover{color:#fff;border-color:rgba(0,212,170,.4);background:rgba(0,212,170,.06)}.chat-action-btn--success{color:var(--chat-teal);border-color:rgba(0,212,170,.4)}.chat-error-box{display:flex;flex-direction:column;gap:.55rem}.chat-error-text{color:#ffb0b0;font-size:.88rem;margin:0}.chat-retry-btn{align-self:flex-start;display:inline-flex;align-items:center;gap:.4rem;padding:.4rem .85rem;font-size:.8rem;font-weight:600;color:#fff;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.18);border-radius:10px;cursor:pointer;transition:background .2s ease,border-color .2s ease}.chat-retry-btn:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.3)}.chat-aborted-note{display:block;margin-top:.5rem;font-size:.76rem;font-style:italic;color:var(--chat-muted)}.chat-hero{max-width:640px;margin:0 auto;padding:1.5rem .5rem 1rem;text-align:center}.chat-hero-glyph{width:60px;height:60px;margin:0 auto 1.1rem;border-radius:18px;display:flex;align-items:center;justify-content:center;color:#fff;background:linear-gradient(135deg,var(--chat-accent) 0,var(--chat-teal) 130%);box-shadow:0 0 45px rgba(0,212,170,.35)}.chat-hero-title{font-size:clamp(1.25rem,3vw,1.6rem);font-weight:700;color:#fff;letter-spacing:-.01em;margin:0 0 .55rem;line-height:1.25}.chat-hero-title em{font-style:normal;background:linear-gradient(92deg,var(--chat-accent-soft) 0,var(--chat-teal) 100%);-webkit-background-clip:text;background-clip:text;color:transparent}.chat-hero-sub{font-size:.92rem;color:var(--chat-muted);line-height:1.6;margin:0 0 1.5rem}.chat-chips{display:flex;flex-wrap:wrap;justify-content:center;gap:.55rem}.chat-chip{padding:.55rem 1rem;font-size:.83rem;font-weight:500;color:var(--chat-ink);background:var(--chat-card);border:1px solid var(--chat-border);border-radius:999px;cursor:pointer;transition:border-color .2s ease,background .2s ease,transform .2s ease,box-shadow .2s ease}.chat-chip:hover{border-color:rgba(0,212,170,.5);background:rgba(0,212,170,.07);transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,212,170,.12)}.chat-jump-down{position:absolute;bottom:.9rem;left:50%;transform:translateX(-50%);z-index:5;display:inline-flex;align-items:center;gap:.35rem;padding:.42rem .9rem;font-size:.76rem;font-weight:600;color:#fff;background:rgba(11,21,48,.92);border:1px solid rgba(0,212,170,.35);border-radius:999px;cursor:pointer;box-shadow:0 8px 24px rgba(0,0,0,.45);backdrop-filter:blur(8px);transition:border-color .2s ease,background .2s ease}.chat-jump-down:hover{border-color:var(--chat-teal);background:rgba(11,21,48,1)}.chat-composer{flex-shrink:0;padding:.85rem 1.25rem .6rem;border-top:1px solid var(--chat-border)}.chat-composer-inner{display:flex;align-items:flex-end;gap:.6rem;max-width:860px;margin:0 auto;padding:.45rem .45rem .45rem 1rem;background:var(--chat-card);border:1px solid var(--chat-border);border-radius:16px;transition:border-color .2s ease,box-shadow .2s ease}.chat-composer-inner:focus-within{border-color:rgba(0,212,170,.45);box-shadow:0 0 0 3px rgba(0,212,170,.1)}.chat-textarea{flex:1;min-width:0;max-height:160px;padding:.45rem 0;background:transparent;border:none;outline:none;resize:none;color:var(--chat-ink);font-size:.93rem;line-height:1.5;font-family:inherit}.chat-textarea::-moz-placeholder{color:rgba(151,161,184,.75)}.chat-textarea::placeholder{color:rgba(151,161,184,.75)}.chat-textarea:disabled{opacity:.55;cursor:not-allowed}.chat-send-btn{width:42px;height:42px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;border:none;cursor:pointer;color:#fff;background:linear-gradient(120deg,var(--chat-accent),#0052cc);transition:transform .2s ease,box-shadow .2s ease,opacity .2s ease;box-shadow:0 4px 16px rgba(0,102,255,.35)}.chat-send-btn:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 8px 24px rgba(0,102,255,.45)}.chat-send-btn:disabled{opacity:.4;cursor:not-allowed;box-shadow:none}.chat-stop-btn{width:42px;height:42px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;cursor:pointer;color:#fff;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);transition:background .2s ease,border-color .2s ease}.chat-stop-btn:hover{background:rgba(255,90,90,.15);border-color:rgba(255,90,90,.45)}.chat-footnote{flex-shrink:0;padding:.45rem 1.25rem .7rem;text-align:center;font-size:.68rem;line-height:1.5;color:rgba(151,161,184,.8)}.chat-footnote a{color:var(--chat-teal);text-decoration:underline;text-underline-offset:2px}@media (prefers-reduced-motion:reduce){.chat-scroll{scroll-behavior:auto}.chat-avatar-status:after,.chat-caret,.chat-thinking-label,.chat-thinking-orbit:before{animation:none}.chat-thinking-label{background:none;color:var(--chat-muted)}.chat-btn-cta:hover,.chat-chip:hover,.chat-ref-card:hover,.chat-send-btn:hover:not(:disabled){transform:none}}@media (max-width:640px){.chat-header{padding:.75rem .9rem}.chat-header-sub{display:none}.chat-scroll{padding:1rem .9rem .5rem}.chat-bubble,.chat-refs{max-width:92%}.chat-composer{padding:.7rem .9rem .5rem}.chat-footnote{padding:.4rem .9rem .6rem}.chat-btn-cta span{display:none}.chat-btn-cta{padding:.45rem .6rem}}:root{--color-primary:#0a0e27;--color-accent:#0066ff;--color-gray-50:#fafbfc;--color-gray-200:#e9ecef;--font-family-sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif}.professional-page{font-family:var(--font-family-sans);color:#495057;line-height:1.6}.custom-scrollbar::-webkit-scrollbar{width:5px}.custom-scrollbar::-webkit-scrollbar-track{background:transparent}.custom-scrollbar::-webkit-scrollbar-thumb{background-color:#cbd5e1;border-radius:20px}.custom-scrollbar::-webkit-scrollbar-thumb:hover{background-color:#94a3b8}.benefits-card{transition:all .3s ease}.benefits-card:hover{transform:translateY(-2px);box-shadow:0 10px 40px -10px rgba(0,102,255,.15)}.markdown-content{font-size:.95rem;line-height:1.6}.markdown-content h3{font-size:1.1rem;font-weight:600;color:var(--color-primary);margin-top:1rem;margin-bottom:.5rem}.markdown-content ul{list-style-type:disc;padding-left:1.5rem;margin-bottom:1rem}.markdown-content p{margin-bottom:.75rem}