:root{
    --bg:#0E0E10;
    --dot:#27272C;
    --dot-hot:#5A5A63;
    --text:#EDEDEF;
    --muted:#A1A1AA;
    --faint:#8A8A93;
    --line:rgba(255,255,255,.08);
    --crit:#FF5A5F; --high:#FF8A4C; --med:#F5C542; --low:#4CC38A;
    --blue:#5B9CFF;
    --r-lg:24px; --r-md:14px;
    --ease:cubic-bezier(.22,.8,.2,1);
    --spring:cubic-bezier(.34,1.45,.5,1);
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html,body{height:100%}
  body{
    font-family:"Satoshi",system-ui,sans-serif;
    color:var(--text);
    background-color:var(--bg);
    background-image:radial-gradient(var(--dot) 1px, transparent 1.5px);
    background-size:20px 20px;
    overflow:hidden;
    -webkit-font-smoothing:antialiased;
  }
  button,textarea{font:inherit;color:inherit}
  button{cursor:pointer;border:0;background:none}
  :focus-visible{outline:2px solid rgba(255,255,255,.7);outline-offset:3px}

  /* dots brighten around the cursor */
  .spot{
    position:fixed;inset:0;pointer-events:none;z-index:0;
    background-image:radial-gradient(var(--dot-hot) 1.1px, transparent 1.6px);
    background-size:20px 20px;
    -webkit-mask-image:radial-gradient(220px circle at var(--mx,-999px) var(--my,-999px),#000,transparent 70%);
            mask-image:radial-gradient(220px circle at var(--mx,-999px) var(--my,-999px),#000,transparent 70%);
  }
  /* soft falloff so the grid fades toward the edges */
  .vignette{position:fixed;inset:0;pointer-events:none;z-index:0;
    background:radial-gradient(120% 90% at 50% 40%,transparent 40%,rgba(8,8,10,.85) 100%)}

  /* ---------- dark liquid glass ---------- */
  .glass{
    position:relative;
    background:linear-gradient(180deg,#1D1D21,#151518);
    box-shadow:
      inset 0 1px 0 rgba(255,255,255,.10),
      inset 0 0 0 1px rgba(255,255,255,.035),
      0 12px 32px -12px rgba(0,0,0,.6);
  }
  .glass::before{
    content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;pointer-events:none;
    background:linear-gradient(160deg,rgba(255,255,255,.22),rgba(255,255,255,.04) 35%,rgba(255,255,255,0) 60%,rgba(255,255,255,.10));
    -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
    -webkit-mask-composite:xor;mask-composite:exclude;
  }
  .press{transition:transform .4s var(--spring),background .25s var(--ease),color .25s var(--ease)}
  .press:active{transform:scale(.95)}

  /* ---------- shell ---------- */
  .app{position:relative;z-index:1;height:100dvh;display:flex;flex-direction:column}
  .top{display:flex;align-items:center;gap:10px;padding:14px 16px;flex-shrink:0}
  .circle{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;color:var(--muted)}
  .circle:hover{color:var(--text)}
  .wordmark{display:flex;align-items:center;gap:8px;font-family:"Chillax",sans-serif;font-weight:600;font-size:19px;letter-spacing:-.01em;margin-right:6px}
  .wordmark svg{width:30px;height:30px}
  .spacer{flex:1}
  .ghost{height:40px;padding:0 16px;border-radius:999px;display:flex;align-items:center;gap:8px;font-weight:500;font-size:14px;color:var(--muted)}
  .ghost:hover{color:var(--text)}

  /* model picker */
  .model{position:relative}
  .model-btn{height:40px;padding:0 12px 0 14px;border-radius:999px;display:flex;align-items:center;gap:8px;font-weight:700;font-size:15px}
  .model-btn .chev{color:var(--faint);transition:transform .4s var(--ease)}
  .model.open .chev{transform:rotate(180deg)}
  .menu{position:absolute;top:50px;left:0;width:290px;padding:6px;border-radius:var(--r-lg);z-index:40;
    background:linear-gradient(180deg,#26262B,#18181C);
    opacity:0;transform:translateY(-6px) scale(.97);transform-origin:top left;pointer-events:none;
    transition:opacity .22s var(--ease),transform .35s var(--spring)}
  .model.open .menu{opacity:1;transform:none;pointer-events:auto}
  .opt{display:flex;align-items:center;gap:12px;width:100%;text-align:left;padding:10px;border-radius:var(--r-md)}
  .opt:hover:not(:disabled){background:rgba(255,255,255,.06)}
  .opt:disabled{cursor:default;opacity:.5}
  .opt svg.logo{width:34px;height:34px;flex-shrink:0}
  .opt b{display:block;font-size:15px;font-weight:700}
  .opt span{font-size:13px;color:var(--muted)}
  .opt .tick{margin-left:auto;color:var(--text)}
  .lock{width:34px;height:34px;border-radius:var(--r-md);display:grid;place-items:center;background:rgba(255,255,255,.06);color:var(--faint);flex-shrink:0}

  /* drawer */
  .scrim{position:fixed;inset:0;z-index:30;background:rgba(0,0,0,.45);opacity:0;pointer-events:none;transition:opacity .4s var(--ease)}
  .drawer{position:fixed;z-index:35;left:12px;top:12px;bottom:12px;width:280px;border-radius:var(--r-lg);padding:14px;display:flex;flex-direction:column;
    background:linear-gradient(180deg,#222227,#141417);
    transform:translateX(calc(-100% - 24px));transition:transform .55s var(--ease)}
  body.drawer-open .drawer{transform:none}
  body.drawer-open .scrim{opacity:1;pointer-events:auto}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;padding:2px 2px 14px}
  .new{display:flex;align-items:center;gap:10px;width:100%;height:46px;padding:0 14px;border-radius:var(--r-md);font-weight:700;font-size:15px;
    background:#F2F2F4;color:#111114;box-shadow:inset 0 -2px 0 rgba(0,0,0,.08)}
  .new:hover{background:#fff}
  .drawer h3{font-size:13px;font-weight:500;color:var(--faint);padding:22px 10px 8px}
  .hist{list-style:none;display:flex;flex-direction:column;gap:2px;overflow-y:auto;flex:1;scrollbar-width:none}
  .hist button{width:100%;text-align:left;padding:10px 12px;border-radius:var(--r-md);font-size:14px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .hist button:hover{background:rgba(255,255,255,.05);color:var(--text)}
  .hist-empty{font-size:14px;color:var(--faint);padding:4px 12px}
  .hist-empty[hidden]{display:none}
  .hist button.on{background:rgba(255,255,255,.08);color:var(--text)}

  /* ---------- stage ---------- */
  .stage{flex:1;overflow-y:auto;display:flex;flex-direction:column;scrollbar-width:thin;scrollbar-color:#2c2c32 transparent}
  .hero{margin:auto;width:100%;max-width:720px;padding:0 16px 8vh;text-align:center;
    transition:opacity .4s var(--ease),transform .5s var(--ease)}
  .hero.gone{opacity:0;transform:translateY(-20px) scale(.98)}
  .hero-logo{width:132px;height:132px;display:block;margin:0 auto 10px;transition:transform .8s var(--ease)}
  .hero h1{font-family:"Chillax",sans-serif;font-weight:600;font-size:clamp(30px,4.6vw,44px);letter-spacing:-.025em;line-height:1.1}
  .hero p{color:var(--muted);font-size:16px;line-height:1.55;margin:12px auto 30px;max-width:44ch}

  .starts{list-style:none;max-width:720px;margin:18px auto 0;text-align:left}
  .starts button{display:flex;justify-content:space-between;align-items:center;gap:16px;width:100%;padding:13px 14px;
    border-radius:var(--r-md);font-size:15px;color:var(--muted);text-align:left;transition:background .2s,color .2s}
  .starts button:hover{background:rgba(255,255,255,.04);color:var(--text)}
  .starts small{font-size:13px;color:var(--faint);flex-shrink:0}
  .starts li+li{border-top:1px solid var(--line)}

  /* composer */
  /* solid fill, slightly lifted from the other glass so the input reads as the primary surface */
  .composer{width:100%;max-width:720px;margin:0 auto;border-radius:var(--r-lg);padding:8px 8px 8px 10px;text-align:left;
    background:linear-gradient(180deg,rgba(33,33,38,.96),rgba(23,23,27,.96));
    isolation:isolate;
    transition:box-shadow .4s var(--ease)}
  .composer.smart-caret textarea{caret-color:transparent}
  .caret{position:absolute;left:0;top:0;width:2.5px;height:21px;border-radius:2px;background:#fff;
    pointer-events:none;opacity:0;
    transition:transform .14s var(--ease),opacity .15s}
  .caret.on{opacity:1;animation:blink 1.1s ease-in-out infinite}
  .caret.on.moving{animation:none}
  @keyframes blink{0%,45%{opacity:1}55%,95%{opacity:.1}}
  .mirror{position:absolute;left:0;top:0;visibility:hidden;white-space:pre-wrap;overflow-wrap:break-word;pointer-events:none}
  .composer:focus-within{box-shadow:inset 0 1px 0 rgba(255,255,255,.14),inset 0 0 0 1px rgba(255,255,255,.06),0 0 0 5px rgba(255,255,255,.04),0 18px 40px -14px rgba(0,0,0,.7)}
  .composer textarea{display:block;width:100%;border:0;outline:0;background:transparent;resize:none;font-size:16px;line-height:1.5;padding:10px 10px 4px;max-height:200px}
  .composer textarea::placeholder{color:var(--faint)}
  .row{display:flex;align-items:center;gap:6px;margin-top:6px}
  .chip{height:36px;padding:0 13px;border-radius:999px;display:flex;align-items:center;gap:7px;font-size:14px;font-weight:500;color:var(--muted);background:rgba(255,255,255,.05)}
  .chip.round{width:36px;padding:0;justify-content:center}
  .chip:hover{background:rgba(255,255,255,.09);color:var(--text)}
  .chip[aria-pressed="true"]{background:rgba(255,255,255,.14);color:var(--text)}
  .file-chip{max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:block;line-height:36px;color:var(--text)}
  .file-chip[hidden]{display:none}
  .send{margin-left:auto;width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:#F2F2F4;color:#111114;
    box-shadow:inset 0 -2px 0 rgba(0,0,0,.1);transition:transform .4s var(--spring),opacity .3s}
  .send:hover{transform:scale(1.07)}
  .send:active{transform:scale(.9)}
  .send:disabled{opacity:.25;cursor:default;transform:none}

  .dock{flex-shrink:0;padding:0 16px 10px;display:none}
  body.chatting .dock{display:block;animation:rise .5s var(--ease) both}
  .fine{text-align:center;font-size:13px;color:var(--faint);padding:10px 0 2px}

  /* thread */
  .thread{width:100%;max-width:740px;margin:0 auto;padding:10px 16px 28px;display:none;flex-direction:column;gap:26px}
  body.chatting .thread{display:flex}
  .msg{animation:rise .5s var(--ease) both}
  @keyframes rise{from{opacity:0;transform:translateY(12px)}}
  .msg.user{align-self:flex-end;max-width:80%}
  .msg.user .bub{padding:12px 17px;border-radius:var(--r-lg) var(--r-lg) 6px var(--r-lg);font-size:15px;line-height:1.5}
  .msg.bot{display:flex;gap:12px}
  .msg.bot .who{width:34px;height:34px;flex-shrink:0;margin-top:-3px}
  .msg.bot .body{flex:1;min-width:0;font-size:15px;line-height:1.65;color:#D9D9DE;padding-top:4px}
  /* model output */
  .md p{margin:0 0 12px}
  .md p:last-child,.md ul:last-child,.md ol:last-child,.md pre:last-child{margin-bottom:0}
  .md h3,.md h4{font-size:16px;font-weight:700;color:var(--text);margin:18px 0 8px}
  .md strong{color:var(--text);font-weight:700}
  .md ul,.md ol{margin:0 0 12px;padding-left:22px}
  .md li{margin:4px 0}
  .md a{color:var(--text);text-underline-offset:3px}
  .md code{font-family:ui-monospace,"SF Mono",Consolas,monospace;font-size:.88em;background:rgba(255,255,255,.07);padding:2px 6px;border-radius:6px}
  .md pre{background:#141417;border:1px solid var(--line);border-radius:var(--r-md);padding:12px 14px;overflow-x:auto;margin:0 0 12px}
  .md pre code{background:none;padding:0;font-size:13px;line-height:1.6;white-space:pre}
  .error{color:#FFB4B4}
  .send .stop-ico{display:none}
  form.busy .send .send-ico{display:none}
  form.busy .send .stop-ico{display:block}
  .think summary{list-style:none;display:inline-flex;align-items:center;gap:6px;color:var(--muted);font-weight:500;cursor:pointer;border-radius:8px}
  .think summary::-webkit-details-marker{display:none}
  .think summary::after{content:"";width:7px;height:7px;border-right:1.6px solid currentColor;border-bottom:1.6px solid currentColor;transform:rotate(-45deg);margin-left:2px;transition:transform .3s var(--ease)}
  .think[open] summary::after{transform:rotate(45deg) translate(-2px,-2px)}
  .think summary:hover{color:var(--text)}
  .think-body{margin:10px 0 4px;padding-left:14px;border-left:2px solid var(--line);color:var(--faint);font-size:14px;line-height:1.6;white-space:pre-wrap;max-height:320px;overflow:auto}
  .tail{position:relative;height:4.65em;margin-top:8px;overflow:hidden;color:var(--faint);font-size:14px;line-height:1.55;
    -webkit-mask-image:linear-gradient(180deg,transparent,#000 55%);mask-image:linear-gradient(180deg,transparent,#000 55%);
    transition:height .5s var(--ease),margin .5s var(--ease),opacity .35s var(--ease)}
  .tail.empty,.tail.done{height:0;margin-top:0;opacity:0}
  .tail-text{position:absolute;left:0;right:0;top:0;white-space:normal;will-change:transform;transition:transform .45s cubic-bezier(.25,.8,.25,1)}
  .answer{animation:rise .5s var(--ease) both}
  .answer:empty{animation:none}
  .answer:not(:empty){margin-top:12px}
  .thinking{font-weight:500;color:var(--muted);animation:breathe 1.6s ease-in-out infinite}
  @keyframes breathe{50%{color:var(--text)}}

  /* ---------- engagement card: live scan progress ---------- */
  .engage{margin:0 0 16px;border-radius:var(--r-lg);padding:14px 16px 12px;font-family:ui-monospace,"SF Mono",Consolas,monospace;animation:rise .5s var(--ease) both}
  .engage header{display:flex;align-items:flex-start;gap:12px}
  .engage .info{min-width:0;flex:1}
  .engage .tgt{display:block;font-size:12.5px;color:var(--faint);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .engage .title{display:block;font-size:17px;font-weight:700;letter-spacing:-.01em;margin-top:2px;color:var(--text)}
  .engage .state{display:flex;align-items:center;gap:10px;flex-shrink:0;padding-top:2px}
  .engage .dot{width:9px;height:9px;border-radius:50%;background:var(--blue);animation:breathe 1.6s ease-in-out infinite}
  .engage .pill{font-size:13px;color:var(--muted);white-space:nowrap}
  .engage .stop-btn{height:30px;padding:0 11px;border-radius:9px;border:1px solid rgba(255,90,95,.45);color:var(--crit);font-size:12.5px;background:rgba(255,90,95,.07)}
  .engage .stop-btn:hover{background:rgba(255,90,95,.15)}
  .engage .stop-btn::before{content:"■";font-size:9px;margin-right:6px;vertical-align:1px}
  .engage.done .dot,.engage.stopped .dot{animation:none;background:var(--faint)}
  .engage .prog{height:5px;border-radius:99px;background:rgba(255,255,255,.08);margin:14px 0 16px;overflow:hidden}
  .engage .prog i{display:block;height:100%;width:0;background:var(--blue);border-radius:99px;transition:width .5s var(--ease)}
  .engage .stages{list-style:none;display:grid;grid-template-columns:repeat(6,1fr);gap:10px}
  .engage .stages b{display:block;font-size:11px;font-weight:500;color:var(--faint)}
  .engage .stages span{display:block;font-size:12.5px;font-weight:600;color:var(--faint);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin:2px 0 7px}
  .engage .stages .u{display:block;height:2px;border-radius:2px;background:rgba(255,255,255,.10)}
  .engage .stages li.run b,.engage .stages li.run span{color:var(--text)}
  .engage .stages li.run .u{background:var(--blue)}
  .engage .stages li.done span{color:var(--muted)}
  .engage .stages li.done .u{background:rgba(255,255,255,.35)}
  .engage .stages li.skip span{color:rgba(161,161,170,.4)}
  .engage .live[hidden]{display:none}
  .engage .live-head{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--muted)}
  .engage .live-head .livedot{width:8px;height:8px;border-radius:50%;background:var(--blue);flex-shrink:0}
  .engage .live-head hr{flex:1;border:0;border-top:1px dashed rgba(255,255,255,.14);margin:0}
  .engage .live-head small{color:var(--faint);font-size:11.5px}
  .engage .log{margin-top:10px;max-height:236px;overflow-y:auto;scrollbar-width:thin;scrollbar-color:#2c2c32 transparent;border-radius:var(--r-md);background:rgba(255,255,255,.035);padding:8px 10px}
  .engage .ln{display:flex;gap:9px;align-items:baseline;font-size:12.5px;line-height:1.8;color:var(--muted);cursor:pointer}
  .engage .ln time{color:var(--faint);flex-shrink:0;font-size:11.5px;min-width:42px;text-align:right}
  .engage .ln i{font-style:normal;flex-shrink:0;width:12px;text-align:center}
  .engage .ln i::before{content:"▸"}
  .engage .ln.t-hit{color:var(--text)}
  .engage .ln.t-hit i{color:var(--high)}
  .engage .ln.t-hit i::before{content:"■"}
  .engage .ln.t-ok i{color:var(--blue)}
  .engage .ln.t-ok i::before{content:"✦"}
  .engage .ln.t-warn i{color:var(--med)}
  .engage .ln.t-warn i::before{content:"▲"}
  .engage .ln span{min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .engage .ln.open span{white-space:normal;overflow:visible}
  @media (max-width:640px){
    .engage{padding:12px}
    .engage .stages{grid-template-columns:repeat(3,1fr)}
    .engage .stages b{display:none}
    .engage .title{font-size:15px}
    .engage .live-head small{display:none}
  }

  .report{margin-top:16px;border-radius:var(--r-lg);padding:6px;animation:rise .55s var(--ease) both}
  .report header{display:flex;align-items:baseline;justify-content:space-between;padding:12px 14px 4px}
  .report header b{font-weight:700;font-size:15px;color:var(--text)}
  .report header small{color:var(--faint);font-size:13px}
  .bar{display:flex;gap:3px;height:6px;margin:10px 14px 14px;border-radius:99px;overflow:hidden}
  .find{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:var(--r-md);transition:background .2s}
  .find+.find{margin-top:2px}
  .find:hover{background:rgba(255,255,255,.04)}
  .sev{display:flex;align-items:center;gap:7px;font-size:13px;font-weight:700;width:74px;flex-shrink:0}
  .sev i{width:8px;height:8px;border-radius:50%}
  .find b{display:block;font-size:15px;font-weight:500;color:var(--text)}
  .find .fix{display:block;font-size:13px;color:var(--muted);margin-top:4px;line-height:1.5}
  .find{align-items:flex-start}
  .find .sev{padding-top:2px}
  .find em{font-style:normal;font-size:13px;color:var(--faint)}

  @media (max-width:640px){
    .wordmark span,.ghost .lbl{display:none}
    .starts small{display:none}
  }
  /* custom cursor: a mini clay arrow (mouse/trackpad only) */
  .cur{position:fixed;left:0;top:0;pointer-events:none;z-index:100;opacity:0;transition:opacity .25s var(--ease)}
  html.cursor-on .cur{opacity:1}
  html.cursor-on.cursor-text .cur-arrow{opacity:0}
  .cur-arrow img{display:block;width:30px;height:30px;margin:-4px 0 0 -4px;transform-origin:4px 4px;transition:transform .35s var(--spring)}
  html.cursor-hover .cur-arrow img{transform:scale(.85) rotate(-8deg)}
  html.cursor-down .cur-arrow img{transform:scale(.8)}
  html.cursor-on .cur-beam{opacity:0}
  html.cursor-on.cursor-text .cur-beam{opacity:1}
  .cur-beam svg{display:block;margin:-12px 0 0 -12px;filter:drop-shadow(0 0 4px rgba(255,255,255,.35)) drop-shadow(0 1px 2px rgba(0,0,0,.6))}
  @media (hover:hover) and (pointer:fine){
    html.cursor-ready, html.cursor-ready *{cursor:none!important}
  }

  @media (prefers-reduced-motion:reduce){
    *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  }