:root{color-scheme:dark;--bg:#0c1b33;--panel:#223046;--blue:#60b4ff;--accent:#ffbd44;--text:#f5f7fb;--muted:#b6bfcd;--line:#3b485e}
*{box-sizing:border-box} [hidden]{display:none!important}
body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,Helvetica,sans-serif;font-size:16px;line-height:1.6}
aside{position:fixed;inset:0 auto 0 0;width:280px;background:#091427;padding:44px 24px;overflow-y:auto;border-right:1px solid #16263f}
aside h1{font-size:29px;line-height:1.25;margin:0 0 32px;color:var(--blue)}
aside label{font-size:14px;line-height:1.4} aside select{font-size:14px}
main{margin-left:280px;padding:65px 48px 80px;max-width:1800px;min-height:100vh}
h1{color:var(--blue);font-size:38px;line-height:1.2;margin:0 0 28px;overflow-wrap:anywhere;letter-spacing:-.7px}
h2{font-size:26px;line-height:1.3;margin:22px 0 16px;letter-spacing:-.3px}
p{margin:12px 0 18px}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}
button,input,select{font:inherit}label{display:block;margin:13px 0 6px;font-size:15px}
input:not([type=radio]):not([type=range]),select{width:100%;background:var(--panel);color:var(--text);border:1px solid transparent;border-radius:7px;padding:10px 12px;min-height:44px;outline-offset:3px}
input[type=file]{padding:8px!important;overflow:hidden}input::file-selector-button{background:#12223b;color:var(--text);padding:7px 12px;border:1px solid var(--line);border-radius:6px;margin-right:10px;cursor:pointer}
input[type=range]{width:100%;accent-color:var(--accent)}input[type=radio]{accent-color:var(--accent);margin-right:6px}
button{border:1px solid var(--line);border-radius:7px;background:var(--bg);color:var(--text);padding:8px 15px;cursor:pointer;min-height:42px;line-height:1.4}
button:hover{border-color:var(--accent);color:var(--accent)}button:disabled{opacity:.6;cursor:wait}button.primary{margin-top:20px;border-color:var(--accent)}
button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
fieldset{border:0;padding:0;margin:22px 0}legend{font-size:15px}fieldset label{margin:5px 0}
.columns{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}.columns>*{min-width:0}.home-columns{gap:38px}.home-columns h1{font-size:40px}
.animation{height:350px;max-width:100%;display:flex;align-items:center;justify-content:center}.animation img{width:75%;height:75%}.animation svg{width:100%!important;height:100%!important}
.tabs{display:flex;gap:18px;border-bottom:1px solid var(--line);margin-bottom:25px}.tabs button{border:0;background:none;border-radius:0;padding:7px 0 12px;color:var(--blue)}.tabs button.active{border-bottom:3px solid var(--accent);color:var(--accent)}[role=tabpanel]{min-height:240px}
.learn-more{margin-top:26px}.muted{color:var(--muted);font-size:14px}.accent,.disclaimer h2{color:var(--accent)}.disclaimer{margin-top:42px}.disclaimer h2{font-size:28px}.disclaimer p{font-size:15px}.sidebar-foot{color:var(--muted);font-size:12px;margin-top:55px}.sidebar-foot a{display:inline-block;margin-top:12px}
.spaced{margin-top:44px}ul{padding-left:22px;color:var(--muted);font-size:15px}hr{border:0;border-top:1px solid var(--line);margin:34px 0}output{float:right;color:var(--accent)}
.notice,.result{background:#182b45;border:1px solid #39516e;border-radius:8px;padding:16px 20px;margin:20px 0}.notice{color:#bed7f0;font-size:14px}.result h2{color:var(--blue);margin-top:0}.result h3{font-size:24px}.result table{width:100%;border-collapse:collapse;font-size:14px}.result td{padding:6px;border-bottom:1px solid var(--line)}
.drop-zone{background:var(--panel);border:1px dashed #64758d;border-radius:8px;display:flex;flex-wrap:wrap;gap:15px;align-items:center;padding:22px}.drop-zone.dragover{border-color:var(--accent);background:#283c55}.drop-zone p{margin:0;flex:1;min-width:170px}.drop-zone input{width:100%;background:transparent!important}.upload-icon{font-size:45px;color:var(--muted)}.drop-zone small{color:var(--muted)}#mri-preview{margin-top:28px}#mri-image{display:block;width:300px;max-width:100%;height:auto;border-radius:7px}#mri-status{color:var(--accent)}
.chat-toolbar{display:flex;gap:16px;align-items:center;color:var(--muted);font-size:14px;margin:24px 0}.suggestions{gap:12px 20px;margin:20px 0}.suggestions button{text-align:left;font-size:14px;padding:12px}.chat-input{display:flex;gap:12px}.chat-input input{flex:1;min-width:0}.message{border-radius:8px;padding:16px 20px;margin:14px 0;background:var(--panel);white-space:pre-wrap;overflow-wrap:anywhere}.message.user{border-left:3px solid var(--blue)}.message.assistant{border-left:3px solid var(--accent)}.message strong{display:block;margin-bottom:6px}
.center{text-align:center}.team-layout{display:grid;grid-template-columns:1fr 1.3fr 1fr;gap:22px;align-items:center;margin-top:50px}.member{background:#091629;padding:20px;border-radius:10px;margin-bottom:24px;text-align:center}.member h2{font-size:23px;color:#b5b5d0;overflow-wrap:anywhere}.member p{color:#b0b0b0;font-size:15px}.team-layout .animation{height:350px}
details{border:1px solid var(--line);border-radius:8px;padding:14px 18px;margin:16px 0;min-width:0}summary{cursor:pointer;color:var(--text);font-weight:600}.chart{height:370px;margin-top:16px;width:100%;min-width:0;overflow:hidden}.menu-toggle{display:none}
@media(min-width:1700px){main{margin-right:auto}}
@media(max-width:1100px){main{padding:55px 30px}aside{width:250px;padding:35px 20px}main{margin-left:250px}.home-columns{grid-template-columns:1fr}.home-columns .animation{height:280px}.home-columns h1{font-size:36px}.team-layout{grid-template-columns:1fr 1fr}.team-layout .animation{grid-column:1/-1;grid-row:2}}
@media(max-width:760px){aside{transform:translateX(-100%);z-index:20;width:280px;transition:transform .2s}.nav-open aside{transform:translateX(0);box-shadow:20px 0 70px #0009}.menu-toggle{display:block;position:fixed;top:12px;left:14px;z-index:30;background:var(--panel)}main{margin-left:0;padding:78px 22px 45px}.columns{grid-template-columns:1fr;gap:22px}h1,.home-columns h1{font-size:31px}h2{font-size:24px}[role=tabpanel]{min-height:0}.home-columns .animation{height:250px}.team-layout{grid-template-columns:1fr;margin-top:20px}.team-layout .animation{grid-column:auto;grid-row:auto}.suggestions{gap:10px}.chart{height:340px}.tabs{gap:26px}.chat-toolbar{flex-wrap:wrap}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}