:root{color:#fff;background-color:#1e1e1e;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;--bg:#1e1e1e;--navbar-bg:#000;--text:#fff;--muted:#cbd6f6;--border:hsla(0,0%,100%,.16);--panel:hsla(0,0%,100%,.04);--panel-strong:hsla(0,0%,100%,.07)}*{box-sizing:border-box}body,html{margin:0;padding:0;min-width:320px;min-height:100vh;background-color:var(--bg);color:var(--text);font-family:Times New Roman,serif}a{color:var(--muted);text-decoration:none;transition:color .2s ease}a:hover{color:#fff}img{max-width:100%;height:auto}.site-shell{min-height:100vh;background-color:var(--bg);color:var(--text)}.site-navbar{width:100%;background-color:var(--navbar-bg);display:flex;justify-content:center;gap:2rem;padding:1rem 0;border-bottom:1px solid hsla(0,0%,100%,.06)}.site-nav-link{color:var(--muted);text-decoration:none;font-weight:500;font-size:1rem}.site-nav-link.active,.site-nav-link:hover{color:#fff;border-bottom:2px solid var(--muted)}.page-container{width:100%;max-width:1100px;margin:0 auto;padding:3rem 1.5rem 4rem}.hero-block{text-align:center;margin-bottom:2.5rem}.hero-title{margin:0 0 1rem;font-size:clamp(2.25rem,5vw,4rem);font-weight:700;line-height:1.1}.hero-subtitle{margin:0 auto 1.5rem;max-width:1000px;font-size:clamp(1.2rem,2vw,1.7rem);line-height:1.5;font-weight:600}.hero-text{margin:0 auto 1.25rem;max-width:900px;font-size:1.1rem;line-height:1.8}.hero-button{display:inline-block;margin-top:1rem;padding:.75rem 1.2rem;border-radius:10px;border:1px solid var(--border);background:var(--panel);color:#fff;font-size:1rem}.hero-button:hover{background:var(--panel-strong)}.chat-layout{display:flex;flex-direction:column;gap:1.5rem}.chat-panel{border:1px solid var(--border);background:var(--panel);border-radius:14px;padding:1.5rem}.chat-panel h1,.chat-panel h2,.chat-panel h3{margin-top:0;text-align:center}.chat-empty{border:1px dashed hsla(0,0%,100%,.2);background:hsla(0,0%,100%,.03);border-radius:14px;padding:1.25rem;line-height:1.8}.message-list{display:flex;flex-direction:column;gap:1rem}.message-bubble{border-radius:14px;padding:1rem 1.1rem;border:1px solid var(--border)}.message-bubble.user{background:hsla(0,0%,100%,.06)}.message-bubble.assistant{background:hsla(0,0%,100%,.03)}.message-role{margin-bottom:.5rem;font-size:.85rem;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}.message-content{margin:0;white-space:pre-wrap;line-height:1.8;font-size:1.05rem}.sources-title{margin:0 0 .75rem;font-size:1.1rem}.sources-list{margin:0;padding-left:1.25rem;line-height:1.8}.error-box{border:1px solid hsla(0,100%,74%,.35);background:hsla(0,100%,74%,.08);color:#ffd8d8;border-radius:14px;padding:1rem}.chat-form{display:flex;flex-direction:column;gap:.75rem}.chat-textarea{width:100%;min-height:120px;resize:vertical;border-radius:12px;border:1px solid var(--border);background:hsla(0,0%,100%,.03);color:#fff;padding:1rem;font:inherit;line-height:1.6}.chat-textarea::placeholder{color:hsla(0,0%,100%,.55)}.chat-textarea:focus{outline:none;border-color:var(--muted)}.chat-submit{align-self:flex-start;padding:.7rem 1.1rem;border-radius:10px;border:1px solid var(--border);background:hsla(0,0%,100%,.08);color:#fff;font:inherit;cursor:pointer}.chat-submit:hover{background:hsla(0,0%,100%,.13)}.chat-submit:disabled{opacity:.6;cursor:not-allowed}.prompt-list{margin-top:.75rem;display:flex;flex-direction:column;gap:.35rem}.profile-pic{width:min(30vw,200px);aspect-ratio:1/1;border-radius:50%;border:3px solid #fff;object-fit:cover;display:block;margin:0 auto 20px}@media (max-width:700px){.site-navbar{gap:1rem;flex-wrap:wrap;padding-left:1rem;padding-right:1rem}.page-container{padding:2rem 1rem 3rem}}