:root{--brand-primary:#256569;--brand-secondary:#0098af;--brand-accent:#0098af;--surface:#ffffff;--surface-soft:#f3f7fb;--text-main:#162b45;--text-muted:#5e7086;--border-soft:#d9e3ef;--radius-sm:12px;--radius-md:16px;--radius-lg:24px;--shadow-card:0 16px 36px rgba(4,33,66,0.14);--shadow-soft:0 6px 20px rgba(4,33,66,0.1);--logo-width:160px;--logo-height:80px}*{box-sizing:border-box}body,html{margin:0;min-height:100%}body{font-family:Golos Text,Arial,sans-serif;color:var(--text-main);background:radial-gradient(circle at 0 0,rgba(0,51,102,.16) 0,rgba(0,51,102,0) 48%),radial-gradient(circle at 100% 10%,rgba(230,57,70,.14) 0,rgba(230,57,70,0) 40%),#eef4fa}.app-shell{min-height:100dvh;padding:0}.chat-container{height:100dvh;display:grid;grid-template-rows:auto minmax(0,1fr) auto;background:var(--surface)}.chat-header{display:flex;align-items:center;gap:12px;padding:14px 16px;color:#ffffff;background:linear-gradient(110deg,var(--brand-primary),var(--brand-secondary));box-shadow:0 2px 14px rgba(0,35,74,.2)}.chat-logo{width:var(--logo-width);height:var(--logo-height);object-fit:contain;display:block}.chat-logo-safe{background:#ffffff;border-radius:12px;flex-shrink:0;padding:8px 12px}.chat-title-group{min-width:0}.chat-eyebrow{margin:0;font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;opacity:.85}.chat-header h1{margin:4px 0 0;font-size:1.2rem;font-weight:700}.chat-box{min-height:0;overflow-y:auto;padding:14px 12px;display:flex;flex-direction:column;gap:10px;scroll-behavior:smooth;background:linear-gradient(180deg,rgba(255,255,255,.9),rgba(243,247,251,1)),var(--surface-soft)}.message{max-width:min(86%,640px);padding:10px 12px;border-radius:14px;line-height:1.45;word-break:break-word;box-shadow:var(--shadow-soft);animation:fade-up .22s ease-out}.message .sender{display:block;margin-bottom:4px;font-size:.72rem;font-weight:700;letter-spacing:.03em;text-transform:uppercase}.message-body{white-space:pre-wrap}.llm .message-body{white-space:normal}.message-body>:first-child{margin-top:0}.message-body>:last-child{margin-bottom:0}.message-body blockquote,.message-body ol,.message-body p,.message-body pre,.message-body ul{margin:0 0 .75rem}.message-body ol,.message-body ul{padding-left:1.2rem}.message-body li+li{margin-top:.25rem}.message-body a{color:var(--brand-secondary);text-decoration:underline;text-underline-offset:.14em}.message-body code{padding:.12rem .35rem;border-radius:6px;font-size:.92em;background:rgba(37,101,105,.1)}.message-body pre{overflow-x:auto;padding:.85rem .95rem;border-radius:10px;background:#0f2438;color:#f4f8fb}.message-body pre code{padding:0;background:transparent;color:inherit}.message-body blockquote{padding-left:.85rem;border-left:3px solid rgba(0,152,175,.45);color:var(--text-muted)}.user{align-self:flex-end;color:#ffffff;background:linear-gradient(145deg,var(--brand-secondary),var(--brand-primary));border-bottom-right-radius:6px}.user .sender{color:rgba(255,255,255,.86)}.llm{align-self:flex-start;color:var(--text-main);background:#ffffff;border:1px solid var(--border-soft);border-bottom-left-radius:6px}.llm .sender{color:var(--text-muted)}#chat-form{display:grid;grid-template-columns:1fr auto;grid-gap:10px;gap:10px;padding:10px 12px calc(10px + env(safe-area-inset-bottom));border-top:1px solid var(--border-soft);background:rgba(255,255,255,.92);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}#user-input{width:100%;border:1px solid #c7d5e4;border-radius:999px;padding:11px 14px;font:inherit;color:var(--text-main);background:#ffffff;outline:none;transition:border-color .18s ease,box-shadow .18s ease}#user-input:focus{border-color:var(--brand-secondary);box-shadow:0 0 0 3px rgba(0,75,140,.16)}#chat-form button{border:none;border-radius:999px;min-width:86px;padding:0 16px;font:inherit;font-weight:700;color:#ffffff;background:linear-gradient(140deg,var(--brand-secondary),var(--brand-primary));cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,filter .18s ease}#chat-form button:hover{filter:brightness(1.05);box-shadow:0 8px 16px rgba(0,152,175,.3)}#chat-form button:active{transform:translateY(1px)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}.chat-home-link{display:inline-block;margin-top:8px;font-size:.9rem;color:#ffffff;text-decoration:underline;text-underline-offset:.18em;opacity:.92}.chat-home-link:hover{opacity:1}.landing-page{font-family:Golos Text,Arial,sans-serif;color:var(--text-main);background:radial-gradient(circle at 0 0,rgba(0,51,102,.16) 0,rgba(0,51,102,0) 48%),radial-gradient(circle at 100% 10%,rgba(0,152,175,.16) 0,rgba(0,152,175,0) 40%),#eef4fa}.landing-wrap{width:min(100%,1100px);margin:0 auto;padding:0 16px}.landing-hero{padding:32px 0 36px;color:#ffffff;background:linear-gradient(122deg,var(--brand-primary),var(--brand-secondary))}.landing-hero-top{display:flex;align-items:center;gap:16px}.landing-hero-text{min-width:0}.landing-logo{display:block;width:min(38vw,210px);height:auto;background:#ffffff;border-radius:12px}.landing-kicker{margin:0 0 8px;font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;opacity:.9}.landing-hero h1{margin:0;font-size:clamp(1.45rem,3.8vw,2.4rem);line-height:1.2}.landing-lead{margin:0;max-width:860px;line-height:1.55;opacity:.96}.landing-cta{display:inline-block;margin-top:20px;padding:11px 18px;border-radius:999px;background:#ffffff;color:var(--brand-primary);font-weight:700;text-decoration:none}.landing-main{padding:22px 0 38px}.landing-section{padding:16px 0}.landing-section h2{margin:0 0 14px;font-size:clamp(1.2rem,3vw,1.7rem)}.projects-grid{display:grid;grid-gap:14px;gap:14px;grid-template-columns:1fr}.project-card{background:#ffffff;border:1px solid var(--border-soft);border-radius:16px;padding:16px;box-shadow:var(--shadow-soft)}.project-card h3{margin:0 0 10px;font-size:1.06rem}.project-card p{margin:0 0 12px;line-height:1.5}.project-card a{color:var(--brand-secondary);font-weight:700;text-decoration:underline;text-underline-offset:.16em}.landing-section-muted .landing-wrap{background:rgba(255,255,255,.82);border:1px solid var(--border-soft);border-radius:18px;padding-top:18px;padding-bottom:18px}.landing-section-muted p{margin:0 0 12px;line-height:1.56}.landing-section-muted p:last-child{margin-bottom:0}@media (min-width:768px){.app-shell{display:grid;place-items:center;padding:20px}.chat-container{width:min(100%,900px);height:92dvh;border:1px solid var(--border-soft);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);overflow:hidden}.chat-header{padding:18px 24px}.chat-box{padding:18px 20px;gap:12px}#chat-form{padding:14px 16px}.message{max-width:min(76%,700px);border-radius:var(--radius-md)}.landing-wrap{padding:0 24px}.landing-hero{padding:44px 0 48px}.landing-hero-top{gap:24px}.landing-logo{width:min(30vw,240px)}.projects-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.project-card{padding:18px}}@keyframes fade-up{0%{opacity:0;transform:translateY(7px)}to{opacity:1;transform:translateY(0)}}.lc-body{min-height:0;overflow-y:auto;padding:20px 16px calc(20px + env(safe-area-inset-bottom));background:var(--surface-soft)}.lc-form{gap:20px;max-width:660px;margin:0 auto;background:var(--surface);border:1px solid var(--border-soft);border-radius:var(--radius-md);padding:24px;box-shadow:var(--shadow-soft);animation:fade-up .25s ease-out}.lc-field,.lc-form{display:flex;flex-direction:column}.lc-field{gap:8px}.lc-label{font-size:.82rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--text-muted)}.lc-textarea{width:100%;border:1px solid var(--border-soft);border-radius:var(--radius-sm);padding:12px 14px;font:inherit;font-size:.95rem;color:var(--text-main);background:#ffffff;resize:vertical;outline:none;transition:border-color .18s ease,box-shadow .18s ease;line-height:1.55}.lc-textarea:focus{border-color:var(--brand-secondary);box-shadow:0 0 0 3px rgba(0,152,175,.16)}.lc-slider-row{display:flex;align-items:center;gap:14px}.lc-slider{flex:1 1;accent-color:var(--brand-secondary);cursor:pointer;height:4px}.lc-slider-value{min-width:2ch;text-align:right;font-size:1.25rem;font-weight:700;color:var(--brand-primary)}.lc-error{padding:10px 14px;border-radius:var(--radius-sm);background:#fff0f0;border:1px solid #fca5a5;color:#b91c1c;font-size:.88rem;margin:0;line-height:1.5}.lc-error-detail{opacity:.72}.lc-submit{align-self:flex-end;min-width:180px;padding:12px 24px;border:none;border-radius:999px;font:inherit;font-weight:700;font-size:1rem;color:#ffffff;background:linear-gradient(140deg,var(--brand-secondary),var(--brand-primary));cursor:pointer;transition:filter .18s ease,box-shadow .18s ease,transform .18s ease;display:flex;align-items:center;justify-content:center;gap:8px}.lc-submit:hover:not(:disabled){filter:brightness(1.06);box-shadow:0 8px 20px rgba(0,152,175,.32)}.lc-submit:active:not(:disabled){transform:translateY(1px)}.lc-submit:disabled{opacity:.55;cursor:not-allowed}@keyframes lc-spin{to{transform:rotate(1turn)}}.lc-spinner{display:inline-block;width:18px;height:18px;border:2.5px solid rgba(255,255,255,.4);border-top-color:#ffffff;border-radius:50%;animation:lc-spin .7s linear infinite}.lc-results{max-width:660px;margin:0 auto;display:flex;flex-direction:column;gap:24px;animation:fade-up .3s ease-out}.lc-section-title{margin:0 0 12px;font-size:1rem;font-weight:700;letter-spacing:.03em;color:var(--text-muted);text-transform:uppercase;display:flex;align-items:center;gap:10px}.lc-comments-count{display:inline-flex;align-items:center;justify-content:center;min-width:22px;height:22px;padding:0 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1;position:relative;height:6px;border-radius:999px;background:var(--border-soft)}.lc-score-bar-fill{position:absolute;top:0;bottom:0;border-radius:999px}.lc-score-bar-thumb{position:absolute;top:50%;width:14px;height:14px;border-radius:50%;transform:translate(-50%,-50%);border:2px solid #ffffff;box-shadow:0 1px 4px rgba(0,0,0,.2)}.lc-comments-list{display:flex;flex-direction:column;gap:10px}.lc-comment-card{background:var(--surface);border:1px solid var(--border-soft);border-radius:var(--radius-sm);padding:12px 14px;display:flex;gap:12px;align-items:flex-start;box-shadow:0 2px 8px rgba(4,33,66,.06);animation:fade-up .22s ease-out}.lc-comment-avatar{font-size:1.4rem;line-height:1;flex-shrink:0;margin-top:1px}.lc-comment-body{flex:1 1;min-width:0}.lc-comment-author{display:block;font-size:.74rem;font-weight:700;letter-spacing:.03em;text-transform:uppercase;color:var(--text-muted);margin-bottom:4px}.lc-comment-text{margin:0;font-size:.92rem;line-height:1.5;color:var(--text-main)}.lc-reset{align-self:center;padding:10px 28px;border:2px solid var(--brand-secondary);border-radius:999px;background:transparent;color:var(--brand-secondary);font:inherit;font-weight:700;cursor:pointer;transition:background .18s ease,color .18s ease;margin-bottom:8px}.lc-reset:hover{background:var(--brand-secondary);color:#ffffff}@media (min-width:768px){.lc-body{padding:28px 24px}.lc-form{padding:28px 32px}}