:root{
  --bg:#05070d;--bg2:#0a0e18;--surface:#0e1423;--surface2:#151d31;--surface3:#1b2540;
  --text:#f7f5ed;--muted:#aeb5c8;--faint:#768099;--line:rgba(197,211,255,.13);
  --gold:#e8c86c;--cyan:#68e4ff;--violet:#a78bfa;--green:#65e5aa;--rose:#ff7894;
  --shadow:0 34px 100px rgba(0,0,0,.42);--radius:24px;--radius-sm:14px;
  --max:1480px;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;color-scheme:dark;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;color:var(--text);background:
radial-gradient(circle at 12% 8%,rgba(104,228,255,.13),transparent 29%),
radial-gradient(circle at 88% 6%,rgba(167,139,250,.13),transparent 31%),
linear-gradient(145deg,#03050a 0%,#080b14 48%,#03050a 100%);line-height:1.55}
a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer}.skip-link{position:fixed;left:12px;top:-60px;z-index:999;background:#fff;color:#000;padding:10px 14px;border-radius:10px}.skip-link:focus{top:12px}
.eco-bar{position:sticky;top:0;z-index:80;display:flex;align-items:center;gap:18px;padding:14px clamp(16px,3vw,38px);border-bottom:1px solid var(--line);background:rgba(5,7,13,.82);backdrop-filter:blur(22px)}
.eco-brand{display:flex;align-items:center;gap:12px;min-width:max-content}.eco-mark{width:38px;height:38px;border-radius:14px;display:grid;place-items:center;border:1px solid rgba(232,200,108,.42);color:var(--gold);background:linear-gradient(145deg,rgba(232,200,108,.16),rgba(104,228,255,.05));box-shadow:0 0 30px rgba(232,200,108,.12)}.eco-brand b{letter-spacing:.08em;font-size:13px}.eco-brand small{display:block;color:var(--faint);font-size:10px;letter-spacing:.14em;text-transform:uppercase}
.eco-nav{display:flex;align-items:center;gap:6px;overflow:auto;scrollbar-width:none;flex:1}.eco-nav::-webkit-scrollbar{display:none}.eco-nav a{white-space:nowrap;padding:9px 13px;border-radius:12px;color:var(--muted);font-size:13px;font-weight:700}.eco-nav a:hover,.eco-nav a[aria-current="page"]{color:var(--text);background:rgba(255,255,255,.075)}.eco-actions{display:flex;gap:8px}.mode-pill{border:1px solid var(--line);border-radius:999px;padding:8px 11px;background:rgba(255,255,255,.045);font-size:11px;color:var(--cyan);font-weight:800;letter-spacing:.09em}
.shell{width:min(var(--max),calc(100% - 32px));margin:0 auto;padding:34px 0 80px}.hero{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(280px,.65fr);gap:24px;align-items:stretch;margin-bottom:26px}.hero-copy,.hero-side,.panel{border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(155deg,rgba(21,29,49,.92),rgba(8,11,20,.92));box-shadow:var(--shadow)}.hero-copy{padding:clamp(28px,5vw,68px);position:relative;overflow:hidden}.hero-copy:after{content:"";position:absolute;width:520px;height:520px;border:1px solid rgba(104,228,255,.13);border-radius:50%;right:-250px;top:-260px;box-shadow:0 0 0 60px rgba(167,139,250,.03),0 0 0 120px rgba(104,228,255,.02)}.eyebrow{margin:0 0 12px;color:var(--gold);font-size:11px;letter-spacing:.19em;font-weight:900;text-transform:uppercase}.hero h1{position:relative;z-index:1;margin:0;max-width:950px;font-size:clamp(36px,6vw,76px);line-height:.99;letter-spacing:-.055em}.hero p.lede{position:relative;z-index:1;max-width:760px;margin:22px 0 0;color:var(--muted);font-size:clamp(16px,2vw,21px)}.hero-side{padding:24px;display:flex;flex-direction:column;justify-content:space-between}.hero-side h2{margin:0;font-size:19px}.hero-side p{color:var(--muted)}
.panel{padding:24px}.panel h2,.panel h3{margin-top:0}.muted{color:var(--muted)}.micro{font-size:12px;color:var(--faint)}.grid{display:grid;gap:20px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin:42px 0 18px}.section-head h2{margin:0;font-size:clamp(24px,3vw,38px)}.section-head p{margin:0;color:var(--muted);max-width:670px}
.launch-card{min-height:210px;padding:24px;border:1px solid var(--line);border-radius:22px;background:linear-gradient(160deg,rgba(25,34,57,.88),rgba(8,11,20,.92));display:flex;flex-direction:column;transition:.22s transform,.22s border-color,.22s box-shadow}.launch-card:hover{transform:translateY(-4px);border-color:rgba(104,228,255,.38);box-shadow:0 26px 70px rgba(0,0,0,.3)}.launch-card .icon{width:48px;height:48px;border-radius:17px;display:grid;place-items:center;background:rgba(104,228,255,.08);border:1px solid rgba(104,228,255,.2);color:var(--cyan);font-size:20px}.launch-card h3{margin:22px 0 8px}.launch-card p{margin:0;color:var(--muted)}.launch-card .go{margin-top:auto;padding-top:24px;color:var(--gold);font-weight:800;font-size:13px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid rgba(232,200,108,.35);border-radius:14px;background:linear-gradient(180deg,rgba(232,200,108,.16),rgba(255,255,255,.045));padding:11px 15px;color:var(--gold);font-weight:800}.btn:hover{border-color:var(--gold);transform:translateY(-1px)}.btn.secondary{border-color:var(--line);color:var(--text);background:rgba(255,255,255,.05)}.btn.cyan{border-color:rgba(104,228,255,.4);color:var(--cyan);background:rgba(104,228,255,.08)}.row{display:flex;gap:10px;flex-wrap:wrap}.stack{display:grid;gap:12px}
input,select,textarea{width:100%;border:1px solid var(--line);border-radius:14px;background:rgba(3,5,10,.76);padding:12px 14px;outline:none}textarea{min-height:120px;resize:vertical}label{display:grid;gap:7px;color:var(--muted);font-size:13px;font-weight:700}input:focus-visible,select:focus-visible,textarea:focus-visible,button:focus-visible,a:focus-visible{outline:3px solid rgba(104,228,255,.58);outline-offset:3px}
.terminal{border:1px solid rgba(104,228,255,.22);border-radius:28px;background:linear-gradient(155deg,rgba(13,20,34,.97),rgba(4,7,12,.97));box-shadow:0 35px 110px rgba(0,0,0,.46);overflow:hidden}.terminal-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:15px 18px;border-bottom:1px solid var(--line);color:var(--muted);font-size:12px}.terminal-head b{color:var(--text);letter-spacing:.08em}.chat-log{height:min(55vh,620px);min-height:380px;overflow:auto;padding:22px;display:grid;gap:14px}.message{max-width:86%;padding:15px 17px;border-radius:18px;border:1px solid var(--line);background:rgba(255,255,255,.045)}.message.user{margin-left:auto;background:rgba(104,228,255,.08);border-color:rgba(104,228,255,.2)}.message .meta{font-size:10px;color:var(--gold);letter-spacing:.11em;text-transform:uppercase;margin-bottom:7px}.composer{display:grid;grid-template-columns:auto 1fr auto;gap:10px;padding:16px;border-top:1px solid var(--line);background:rgba(0,0,0,.16)}.composer select{width:170px}.composer textarea{min-height:56px;max-height:180px}.command-chips{display:flex;gap:8px;flex-wrap:wrap;padding:0 16px 16px}.chip{border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.035);padding:8px 11px;color:var(--muted);font-size:12px}.chip:hover{color:var(--text);border-color:rgba(104,228,255,.3)}
.tool-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:15px}.tool-card{border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.035);padding:18px;display:flex;flex-direction:column;min-height:190px}.tool-card .kind{font-size:10px;color:var(--cyan);letter-spacing:.12em;text-transform:uppercase;font-weight:900}.tool-card h3{margin:10px 0 7px}.tool-card p{color:var(--muted);font-size:13px}.tool-card .actions{margin-top:auto;display:flex;gap:8px;flex-wrap:wrap}
.status{display:inline-flex;align-items:center;gap:8px;border-radius:999px;border:1px solid var(--line);padding:7px 10px;font-size:11px;color:var(--muted)}.status:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 18px var(--green)}.status.review:before{background:var(--gold);box-shadow:0 0 18px var(--gold)}
.preview-stage{min-height:320px;border-radius:20px;border:1px solid var(--line);background:radial-gradient(circle at 50% 20%,rgba(104,228,255,.14),transparent 45%),#080b13;padding:26px}.output{white-space:pre-wrap;overflow:auto;max-height:420px;background:#03050a;border:1px solid var(--line);border-radius:16px;padding:16px;color:#dce8ff;font:12px/1.65 ui-monospace,SFMono-Regular,Consolas,monospace}.empty{display:grid;place-items:center;text-align:center;min-height:240px;color:var(--faint)}
.help-layout{display:grid;grid-template-columns:280px minmax(0,1fr);gap:20px}.help-nav{position:sticky;top:82px;align-self:start;max-height:calc(100vh - 105px);overflow:auto}.help-nav button{width:100%;text-align:left;border:0;background:transparent;color:var(--muted);padding:10px 12px;border-radius:10px}.help-nav button:hover,.help-nav button.active{background:rgba(255,255,255,.06);color:var(--text)}.article{max-width:920px}.article h1{font-size:clamp(34px,5vw,58px);line-height:1.02}.article h2{margin-top:38px}.article p,.article li{color:var(--muted)}.callout{border-left:3px solid var(--gold);background:rgba(232,200,108,.07);padding:14px 16px;border-radius:0 14px 14px 0}.kbd{border:1px solid var(--line);border-bottom-width:3px;border-radius:8px;padding:2px 7px;background:rgba(255,255,255,.04);font:11px ui-monospace,monospace}
.footer{margin-top:70px;border-top:1px solid var(--line);padding:28px 0;color:var(--faint);font-size:12px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
@media(max-width:1100px){.hero{grid-template-columns:1fr}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.help-layout{grid-template-columns:1fr}.help-nav{position:static;max-height:none;display:flex;overflow:auto}.help-nav button{min-width:max-content}.composer{grid-template-columns:1fr}.composer select{width:100%}}
@media(max-width:760px){.eco-bar{flex-wrap:wrap}.eco-nav{order:3;width:100%}.shell{width:min(100% - 20px,var(--max));padding-top:18px}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.hero-copy{padding:28px}.hero h1{font-size:42px}.chat-log{min-height:330px}.message{max-width:96%}.section-head{align-items:start;flex-direction:column}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}

/* R16 professional workbench layer */
.app-frame{display:grid;grid-template-columns:minmax(220px,280px) minmax(0,1fr);gap:20px;align-items:start}
.app-rail{position:sticky;top:82px;display:grid;gap:8px;max-height:calc(100vh - 106px);overflow:auto;padding:14px;border:1px solid var(--line);border-radius:20px;background:rgba(9,13,23,.86);box-shadow:0 24px 70px rgba(0,0,0,.28)}
.app-rail a,.app-rail button{display:flex;align-items:center;gap:11px;width:100%;padding:11px 12px;border:1px solid transparent;border-radius:12px;background:transparent;color:var(--muted);text-align:left}
.app-rail a:hover,.app-rail button:hover,.app-rail [aria-current="page"]{color:var(--text);border-color:var(--line);background:rgba(255,255,255,.05)}
.workbench{min-width:0;display:grid;gap:20px}.workbench-head{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 22px;border:1px solid var(--line);border-radius:20px;background:linear-gradient(145deg,rgba(20,28,47,.9),rgba(8,11,19,.93))}
.workbench-head h1,.workbench-head h2{margin:0}.workbench-head p{margin:6px 0 0;color:var(--muted)}
.surface{border:1px solid var(--line);border-radius:20px;background:rgba(11,16,28,.86);box-shadow:0 26px 76px rgba(0,0,0,.24);overflow:hidden}
.surface-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:15px 18px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.025)}
.surface-head h2,.surface-head h3{margin:0}.surface-body{padding:20px}.surface-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 18px;border-top:1px solid var(--line);color:var(--faint);font-size:12px}
.tabs{display:flex;gap:6px;overflow:auto;padding:6px;border:1px solid var(--line);border-radius:14px;background:rgba(0,0,0,.18);scrollbar-width:none}.tabs::-webkit-scrollbar{display:none}.tabs button,.tabs a{white-space:nowrap;border:0;border-radius:10px;background:transparent;padding:9px 12px;color:var(--muted);font-weight:800;font-size:12px}.tabs button:hover,.tabs a:hover,.tabs [aria-selected="true"],.tabs [aria-current="page"]{background:rgba(104,228,255,.09);color:var(--cyan)}
.metric-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px}.metric{padding:16px;border:1px solid var(--line);border-radius:16px;background:linear-gradient(155deg,rgba(255,255,255,.045),rgba(255,255,255,.015))}.metric strong{display:block;font-size:clamp(24px,3vw,38px);line-height:1;color:var(--text)}.metric span{display:block;margin-top:8px;color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.11em}
.timeline{display:grid;gap:0}.timeline-item{position:relative;display:grid;grid-template-columns:22px minmax(0,1fr);gap:12px;padding:0 0 20px}.timeline-item:before{content:"";position:absolute;left:9px;top:18px;bottom:0;width:1px;background:var(--line)}.timeline-item:last-child:before{display:none}.timeline-dot{width:19px;height:19px;border-radius:50%;border:4px solid rgba(5,7,13,.95);background:var(--cyan);box-shadow:0 0 0 1px rgba(104,228,255,.35),0 0 24px rgba(104,228,255,.25)}.timeline-item.done .timeline-dot{background:var(--green)}.timeline-item.review .timeline-dot{background:var(--gold)}.timeline-item.blocked .timeline-dot{background:var(--rose)}
.timeline-copy{padding:0 0 4px}.timeline-copy b{display:block}.timeline-copy p{margin:4px 0 0;color:var(--muted);font-size:13px}
.split-pane{display:grid;grid-template-columns:minmax(260px,.8fr) minmax(0,1.2fr);min-height:460px;border:1px solid var(--line);border-radius:20px;overflow:hidden;background:#060912}.split-pane>section{min-width:0;padding:18px}.split-pane>section+section{border-left:1px solid var(--line)}
.file-tree{font:12px/1.6 ui-monospace,SFMono-Regular,Consolas,monospace;color:var(--muted)}.file-tree button{display:flex;align-items:center;gap:7px;width:100%;border:0;background:transparent;color:inherit;text-align:left;padding:5px 7px;border-radius:8px}.file-tree button:hover,.file-tree button.active{background:rgba(255,255,255,.055);color:var(--text)}
.code-view{min-height:420px;overflow:auto;border:1px solid var(--line);border-radius:16px;background:#02040a;padding:17px;color:#d6e3ff;font:12px/1.65 ui-monospace,SFMono-Regular,Consolas,monospace;tab-size:2}.diff-add{background:rgba(101,229,170,.1);color:#aef5d5}.diff-del{background:rgba(255,120,148,.1);color:#ffc0cc}.diff-meta{background:rgba(104,228,255,.07);color:#a5edff}
.badge{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);border-radius:999px;padding:5px 9px;color:var(--muted);font-size:10px;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.badge.good{border-color:rgba(101,229,170,.28);color:var(--green);background:rgba(101,229,170,.07)}.badge.warn{border-color:rgba(232,200,108,.3);color:var(--gold);background:rgba(232,200,108,.07)}.badge.bad{border-color:rgba(255,120,148,.3);color:var(--rose);background:rgba(255,120,148,.07)}
.progress{height:8px;border-radius:999px;background:rgba(255,255,255,.065);overflow:hidden}.progress>i{display:block;height:100%;width:var(--value,0%);border-radius:inherit;background:linear-gradient(90deg,var(--violet),var(--cyan),var(--green));box-shadow:0 0 18px rgba(104,228,255,.28)}
.dialog-backdrop{position:fixed;inset:0;z-index:200;display:grid;place-items:center;padding:20px;background:rgba(0,0,0,.68);backdrop-filter:blur(16px)}.dialog{width:min(720px,100%);max-height:min(86vh,900px);overflow:auto;border:1px solid var(--line);border-radius:24px;background:#0a0f1b;box-shadow:0 45px 150px rgba(0,0,0,.65)}.dialog-head,.dialog-body,.dialog-foot{padding:18px 20px}.dialog-head{display:flex;justify-content:space-between;gap:16px;border-bottom:1px solid var(--line)}.dialog-foot{display:flex;justify-content:flex-end;gap:9px;border-top:1px solid var(--line)}
.toast-stack{position:fixed;right:20px;bottom:20px;z-index:240;display:grid;gap:10px;width:min(380px,calc(100vw - 40px))}.toast{padding:14px 16px;border:1px solid var(--line);border-radius:15px;background:rgba(12,17,29,.96);box-shadow:0 20px 70px rgba(0,0,0,.42)}.toast b{display:block}.toast p{margin:3px 0 0;color:var(--muted);font-size:12px}
.skeleton{position:relative;overflow:hidden;background:rgba(255,255,255,.055);border-radius:10px;color:transparent!important}.skeleton:after{content:"";position:absolute;inset:0;transform:translateX(-100%);background:linear-gradient(90deg,transparent,rgba(255,255,255,.08),transparent);animation:skeleton-sweep 1.7s infinite}@keyframes skeleton-sweep{to{transform:translateX(100%)}}
[data-tip]{position:relative}[data-tip]:hover:after,[data-tip]:focus-visible:after{content:attr(data-tip);position:absolute;z-index:100;left:50%;bottom:calc(100% + 9px);transform:translateX(-50%);width:max-content;max-width:260px;padding:8px 10px;border:1px solid var(--line);border-radius:10px;background:#070a11;color:var(--text);font-size:11px;font-weight:600;box-shadow:0 12px 36px rgba(0,0,0,.4)}
::selection{background:rgba(104,228,255,.28);color:#fff}*{scrollbar-color:rgba(104,228,255,.22) rgba(255,255,255,.025)}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:rgba(255,255,255,.02)}::-webkit-scrollbar-thumb{border:2px solid transparent;border-radius:999px;background:rgba(104,228,255,.2);background-clip:padding-box}::-webkit-scrollbar-thumb:hover{background:rgba(104,228,255,.34);background-clip:padding-box}
@media(max-width:980px){.app-frame{grid-template-columns:1fr}.app-rail{position:static;max-height:none;display:flex;overflow:auto}.app-rail a,.app-rail button{min-width:max-content}.split-pane{grid-template-columns:1fr}.split-pane>section+section{border-left:0;border-top:1px solid var(--line)}}
@media(max-width:560px){.workbench-head,.surface-head,.surface-foot{align-items:flex-start;flex-direction:column}.metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.dialog-backdrop{padding:8px}.dialog{border-radius:18px}.toast-stack{right:10px;bottom:10px;width:calc(100vw - 20px)}}

/* R16 final ecosystem polish: compact premium hero, clearer hierarchy, and faster access to work. */
.hero-copy{padding:clamp(28px,4vw,52px)}
.hero-copy:after{width:410px;height:410px;right:-205px;top:-205px;box-shadow:0 0 0 48px rgba(167,139,250,.026),0 0 0 96px rgba(104,228,255,.016)}
.hero h1{font-size:clamp(36px,5.2vw,68px)}
.hero p.lede{margin-top:16px;font-size:clamp(15px,1.65vw,19px)}
.hero-side{padding:22px}
.panel{padding:22px}
@media(max-width:760px){
  .eco-bar{padding:11px 12px;gap:10px}
  .eco-brand b{font-size:11px}.eco-brand small{font-size:8px}
  .eco-mark{width:34px;height:34px;border-radius:12px}
  .eco-nav a{padding:8px 10px;font-size:12px}
  .hero-copy{padding:24px 20px}.hero-copy:after{width:260px;height:260px;right:-130px;top:-130px;box-shadow:0 0 0 30px rgba(167,139,250,.02)}
  .hero h1{font-size:clamp(34px,10vw,46px);letter-spacing:-.045em}
  .hero-side,.panel{padding:18px}
}