:root{
  font-family:Inter,system-ui,sans-serif;
  color-scheme:light;
  --navy:#14294c;--blue:#235ac8;--muted:#526480;--border:#dbe4f0;
  --text:#192b49;--strong:#14294c;--page:#f4f7fb;--surface:#fff;
  --soft:#f3f7fd;--hover:#ecf3ff;--tint:#e7effd;--accent:#2154aa;
  --field-border:#b9c8dd;--error:#a1243a;--focus:#477ff1;
  color:var(--text);background:var(--page)
}
:root[data-theme=dark]{
  color-scheme:dark;
  --navy:#101e35;--blue:#3065cb;--muted:#acbbd1;--border:#344865;
  --text:#e5ecf8;--strong:#eef4ff;--page:#0e1625;--surface:#172337;
  --soft:#202f48;--hover:#263954;--tint:#263e62;--accent:#b5d3ff;
  --field-border:#587092;--error:#ffacb6;--focus:#a5c9ff
}
*{box-sizing:border-box}body{margin:0}button,input,textarea,select{font:inherit}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid var(--focus);outline-offset:3px}svg{width:19px;height:19px;flex:none}button svg{pointer-events:none}h1,h2,h3,p{margin:0}p{line-height:1.55}button{border:0;background:none;color:inherit}button[disabled]{opacity:.6;cursor:wait}.shell{display:grid;grid-template-columns:235px minmax(0,1fr);min-height:100vh}.side{background:var(--navy);color:white;padding:29px 18px 20px;display:flex;flex-direction:column;gap:34px}.brand{display:flex;align-items:center;gap:12px}.crest{display:block;flex:none;border-radius:50%;background:white;object-fit:contain}.entry-crest{margin-bottom:12px}.brand strong{display:block;font-size:15px}.brand small{display:block;color:#b4c7e8;margin-top:4px;font-size:11px}.nav{display:grid;gap:5px}.nav-label{padding:0 10px 9px;color:#aabfdf}.nav button{display:flex;align-items:center;gap:11px;text-align:left;padding:11px 10px;border-radius:8px;color:#cad8ee;font-size:13px}.nav button[aria-current=page]{background:#284774;color:white;font-weight:700}.nav button:hover{background:#233f6a}.side-footer{margin-top:auto;border-top:1px solid #3b5172;padding-top:15px;display:flex;align-items:center;gap:9px;font-size:11px;color:#c5d3e9}.side-footer img{width:34px;height:34px;border-radius:50%}.top{min-height:70px;padding:13px clamp(17px,4vw,52px);background:var(--surface);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:10px}.crumb{font-size:13px;color:var(--muted)}.crumb strong{color:var(--strong)}.top-actions,.actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--border);border-radius:8px;padding:9px 12px;font-size:13px;font-weight:700;color:var(--strong);background:var(--surface);min-height:40px}.btn:hover{background:var(--hover)}.primary{color:white;background:var(--blue);border-color:var(--blue)}.primary:hover{background:#194aab}.tag,.nav-label,.eyebrow{font-size:10px;letter-spacing:.105em;font-weight:800;text-transform:uppercase}.tag{display:inline-block;padding:4px 8px;background:var(--tint);color:var(--accent);border-radius:20px;white-space:nowrap}.wrap{padding:28px clamp(17px,4vw,52px) 48px;max-width:1260px;margin:auto}.preview-note{color:var(--muted);font-size:12px;margin:0 0 15px}.hero{min-height:215px;position:relative;overflow:hidden;padding:30px clamp(20px,4vw,38px);border-radius:16px;background:linear-gradient(112deg,#15366f,#2159bc);color:white;isolation:isolate}.hero:after{content:"";position:absolute;z-index:-1;width:285px;height:285px;border:1px solid #83aff7;border-radius:50%;right:-30px;top:-28px;box-shadow:0 0 0 26px #83aff726,0 0 0 55px #83aff71c,0 0 0 85px #83aff715;opacity:.65}.hero .eyebrow{color:#b8d9ff}.hero h1,h1{font-size:clamp(28px,4vw,45px);letter-spacing:-.045em;line-height:1.08;margin:10px 0}.hero p{max-width:495px;color:#e4eeff;font-size:14px;margin:0 0 18px}.heading{display:flex;align-items:center;justify-content:space-between;gap:8px;margin:24px 0 12px}.heading h2{font-size:20px;letter-spacing:-.025em}.layout{display:grid;grid-template-columns:1.15fr 1fr;gap:20px}.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:15px 17px}.card+.card{margin-top:9px}.card h3{font-size:15px;margin:5px 0}.card p,.sub{font-size:13px;color:var(--muted);overflow-wrap:anywhere;white-space:pre-wrap}.meta{font-size:11px;color:var(--muted)}.resource{display:flex;gap:12px;align-items:flex-start}.file-icon{width:37px;height:41px;display:grid;place-items:center;border-radius:8px;color:var(--accent);background:var(--tint);flex:none}.resource-body{flex:1;min-width:0}.resource h3{margin:0 0 3px}.resource .actions{margin-top:9px}.resource .btn{min-height:32px;padding:5px 8px;font-size:12px}.shortcut{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.shortcut button{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:14px;display:flex;align-items:center;gap:8px;text-align:left;font-size:13px;font-weight:700}.shortcut svg{color:var(--accent)}.filter{margin:17px 0 12px;max-width:420px}.muted{color:var(--muted)}.stack{display:grid;gap:12px}.empty{padding:25px;border:1px dashed var(--field-border);border-radius:12px;font-size:14px;color:var(--muted)}dialog{max-width:min(500px,calc(100% - 28px));width:100%;padding:23px;border:1px solid var(--border);border-radius:14px;color:var(--strong);background:var(--surface)}dialog::backdrop{background:#10264b99}.dialog-head{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:14px}.dialog-head h2{font-size:21px}label{display:grid;gap:5px;font-size:13px;font-weight:650}input,textarea,select{width:100%;padding:9px 10px;border:1px solid var(--field-border);border-radius:7px;background:var(--surface);color:var(--strong)}textarea{min-height:98px;resize:vertical}.checkbox{display:flex;align-items:center;gap:7px}.checkbox input{width:auto}#status{position:fixed;z-index:5;bottom:14px;right:14px;max-width:calc(100% - 28px);background:var(--navy);color:white;padding:11px 16px;border-radius:8px;box-shadow:0 3px 16px #11294846}.error{font-size:13px;color:var(--error)}.pdf-frame{width:100%;height:min(65vh,600px);border:1px solid var(--border);border-radius:8px}.entry{max-width:440px;margin:10vh auto;padding:22px}.entry h1{font-size:31px}.entry form{margin-top:17px}
@media(max-width:900px){.shell{grid-template-columns:180px minmax(0,1fr)}.side{padding-inline:12px}.layout{grid-template-columns:1fr}.heading{margin-top:19px}}

.bottom-nav,.mobile-crest{display:none}
.top-location{display:flex;align-items:center;gap:8px;min-width:0}
.side{position:sticky;top:0;align-self:start;height:100dvh;overflow:auto}
.more-links{display:grid;gap:6px}
.more-links button{display:flex;align-items:center;gap:11px;text-align:left;border-radius:9px;min-height:47px;padding:9px 12px;background:var(--soft);font-size:14px;font-weight:650}
.more-links button:hover,.more-links button[aria-current=page]{color:var(--accent);background:var(--tint)}
@media(max-width:700px){
  .shell{display:block;padding-bottom:calc(66px + env(safe-area-inset-bottom))}
  .side,.desktop-shortcuts{display:none}
  .top{min-height:56px;padding-block:8px}
  .mobile-crest{display:block}
  .crumb{font-size:11px}
  .top .btn{min-height:34px;padding:5px 8px;font-size:11px}
  .top-actions{justify-content:flex-end;flex-wrap:nowrap}
  .wrap{padding-top:16px;padding-bottom:24px}
  .preview-note{margin-bottom:10px}
  .hero{min-height:0;padding:19px 18px}
  .hero:after{right:-180px}
  .hero h1{margin-block:7px}
  .hero p{margin-bottom:12px}
  .layout{gap:0}
  .layout .card:nth-of-type(n+3){display:none}
  .bottom-nav{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));position:fixed;z-index:4;inset:auto 0 0;min-height:60px;padding:5px max(8px,env(safe-area-inset-right)) calc(5px + env(safe-area-inset-bottom)) max(8px,env(safe-area-inset-left));background:var(--surface);border-top:1px solid var(--border);box-shadow:0 -4px 20px #14294c0d}
  .bottom-nav button{display:grid;place-content:center;justify-items:center;gap:3px;min-height:49px;padding:4px;border-radius:8px;color:var(--muted);font-size:11px;font-weight:650}
  .bottom-nav button[aria-current=page],.bottom-nav .more-current{background:var(--tint);color:var(--accent)}
  #more-panel{width:100%;max-width:none;max-height:85dvh;inset:auto 0 0;margin:0;border-radius:18px 18px 0 0;padding:17px 17px calc(17px + env(safe-area-inset-bottom))}
  #status{bottom:calc(70px + env(safe-area-inset-bottom))}
}

.theme-toggle{min-width:40px;padding-inline:8px}
.theme-toggle .theme-sun,[data-theme=dark] .theme-toggle .theme-moon{display:none}
[data-theme=dark] .theme-toggle .theme-sun{display:block}
.entry-tools{float:right;margin:0 0 8px 8px}
@media(max-width:700px){.top .theme-toggle{min-width:40px;min-height:40px}}
@media(max-width:360px){.top-actions>.tag{display:none}}

.tutorial-room{margin-top:16px;max-width:760px}
.tutorial-room .heading{margin:0 0 8px}
.tutorial-room .sub{margin-block:8px}
.tutorial-controls{margin-block:14px}
.tutorial-room [hidden]{display:none}
.tutorial-chat{min-height:60px;max-height:240px;overflow:auto;border:1px solid var(--border);border-radius:8px;background:var(--soft);padding:9px 12px;margin:8px 0 12px}
.tutorial-chat p+p{margin-top:7px}
.tutorial-chat strong{color:var(--strong)}
.tutorial-room form button{justify-self:start}
.tutorial-room textarea{min-height:60px}

.demo-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));gap:12px;margin-top:12px}
.demo-grid .card{margin-top:0}
.demo-card{margin-top:10px;max-width:850px}
.demo-card h2,.demo-card h3{overflow-wrap:anywhere}
.demo-card p+p{margin-top:6px}
.demo-card .meta{margin-top:8px}
.demo-actions{margin-top:9px}
.demo-chat{max-height:440px;overflow:auto;margin-top:12px}
.demo-card label{margin-top:7px}
.demo-card form>button,form.demo-card>button{justify-self:start}
.demo-media img,.demo-media video{display:block;max-width:100%;max-height:70vh;margin:auto}
.assessment-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.demo-options{display:grid;gap:8px;margin:12px 0}
.demo-options button{justify-content:flex-start;text-align:left}
.demo-options button[aria-pressed=true],.demo-actions button[aria-current=step]{background:var(--tint);border-color:var(--accent);color:var(--accent)}