:root{--serif:Georgia,serif;--sans:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--mono:"Space Mono",ui-monospace,Consolas,monospace;
--bg:#f5f3ed;--paper:#fffefa;--panel:#efeee6;--line:#dedfd5;--text:#292b25;--muted:#74766c;--cyan:#a84d33;--yellow:#8b7044;--green:#527660}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font:15px/1.6 var(--sans)}
a{color:var(--cyan);text-decoration:none}a:hover{text-decoration:underline}
button,select,input{font:inherit;color:inherit}
button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
.topbar{max-width:1360px;margin:auto;display:flex;justify-content:space-between;align-items:center;padding:18px 32px;gap:20px}
.brand{display:flex;align-items:center;gap:12px;color:var(--text);font-size:13px;font-weight:600}
.brandmark{padding:0 12px 0 0;border-right:1px solid var(--line);font:500 30px var(--serif);letter-spacing:-2px}
.brand small{color:var(--muted);font-weight:400;font-size:11px}
.nav{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:0 32px;display:flex;gap:28px;background:var(--bg);max-width:1360px;margin:auto}
.nav a{color:var(--muted);padding:15px 0;font-size:13px;border-bottom:2px solid transparent}
.nav a[aria-current]{color:var(--cyan);border-bottom-color:var(--cyan)}
main{max-width:1160px;padding:0 30px 60px;margin:auto}
.hero{padding:26px 0 6px;max-width:820px}
h1{font-family:var(--serif);font-size:clamp(32px,4vw,45px);line-height:1.12;letter-spacing:-1.5px;margin:0;font-weight:500}
.lead{color:var(--muted);font-family:var(--sans);font-size:15px;line-height:1.6;margin:14px 0 0}
h2{font-family:var(--serif);font-weight:500;font-size:22px;letter-spacing:-.4px;margin:0 0 4px}
.eyebrow{text-transform:uppercase;letter-spacing:2px;font:10px/1.7 var(--mono);color:var(--cyan);margin:0 0 10px}
.flow-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));max-width:720px;padding:0;margin:24px 0 0;list-style:none;border:1px solid var(--line)}
.flow-steps li{display:flex;align-items:center;gap:9px;padding:11px 14px;color:var(--muted);font:11px/1.5 var(--mono);border-left:1px solid var(--line)}
.flow-steps li:first-child{border-left:0}
.flow-steps li span{display:grid;place-items:center;width:20px;height:20px;border:1px solid var(--line);border-radius:50%;font-size:10px}
.flow-steps li.active{background:var(--panel);color:var(--text)}
.flow-steps li.active span{border-color:var(--cyan);background:var(--cyan);color:var(--bg)}
.flow-steps li.complete{color:var(--green)}
.flow-steps li.complete span{border-color:var(--green)}
.flow-steps a{display:flex;align-items:center;gap:9px;color:inherit}
.grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:22px;margin-top:22px;align-items:start}
.panel{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:26px}
.panel+.panel{margin-top:18px}
.panel-heading,.spec-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:16px}
.panel-heading{margin-bottom:16px}
.panel-heading .eyebrow{margin-bottom:3px}
.textlink{flex-shrink:0;font:11px/1.6 var(--mono)}
.presets{display:flex;gap:8px;flex-wrap:wrap;margin:2px 0 18px}
.chip{border-radius:8px;background:var(--paper);border:1px solid #bdb4aa;padding:7px 12px;cursor:pointer;font-size:13px}
.chip:hover{border-color:var(--cyan);color:var(--cyan)}
.chip.active{background:#f7e9e2;color:var(--cyan);border-color:var(--cyan)}
.src{display:grid;grid-template-columns:170px 1fr 62px;gap:12px;align-items:center;padding:11px 0;border-top:1px solid var(--line)}
.src label{font-size:13px;font-weight:600}
.src .docs{display:block;font:10px var(--mono);color:var(--muted);font-weight:400}
.src input[type=range]{width:100%;accent-color:var(--cyan)}
.src .pct{font:12px var(--mono);text-align:right;color:#49423d}
.src.zero label,.src.zero .pct{color:#a79c91}
.bar{height:20px;display:flex;border:1px solid var(--line);overflow:hidden;margin:6px 0 4px}
.bar span{height:100%}
.barleg{display:flex;gap:8px 14px;flex-wrap:wrap;font:10px var(--mono);color:var(--muted);margin-bottom:8px}
.barleg i{display:inline-block;width:8px;height:8px;margin-right:4px;vertical-align:middle}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin:8px 0}
.row label{font-size:13px;min-width:130px;color:#49423d}
select,input[type=text],input[type=number]{background:var(--bg);border:1px solid #bdb4aa;padding:8px 11px;border-radius:8px}
input[type=number]{width:150px}input[type=text]{min-width:180px}
.picks{display:flex;gap:6px;flex-wrap:wrap}
.picks button{background:var(--bg);border:1px solid #bdb4aa;padding:7px 11px;cursor:pointer;font:12px var(--mono)}
.picks button[aria-pressed=true]{background:#1a1512;color:var(--bg);border-color:#1a1512}
.kv{font:12px var(--mono);color:#49423d}
.kv b{color:var(--text)}
details{border-top:1px solid var(--line);padding:12px 0;margin-top:6px}
summary{cursor:pointer;font-size:14px;color:#49423d}
pre{background:#1a1512;color:#e9e2d8;padding:16px;overflow:auto;font:12px/1.5 var(--mono);max-height:440px;margin:0;border:1px solid #1a1512}
pre .k{color:#e6a86b}pre .s{color:#9ec89a}pre .n{color:#c8a2e0}
.actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.btn{border-radius:8px;background:var(--paper);border:1px solid #bdb4aa;padding:10px 15px;cursor:pointer;font-size:13px}
.btn.primary{background:var(--cyan);color:var(--paper);border-color:var(--cyan);font-weight:600}
.btn:hover{border-color:var(--cyan)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.launch-panel h2{margin-bottom:14px}
.next-button{display:flex;align-items:center;justify-content:space-between;width:100%;min-height:54px;padding:13px 16px;font-size:15px;text-align:left}
.next-button:hover{background:var(--cyan);border-color:var(--cyan);color:var(--bg)}
.technical-panel{padding-top:0;padding-bottom:0}
.technical-panel .advanced{border:0;margin:0;padding:0}
.technical-panel .advanced>summary{padding:16px 0;font-weight:600}
.advanced-content{padding:2px 0 20px;border-top:1px solid var(--line)}
.spec-heading{align-items:baseline;margin:18px 0 8px}
.notice{background:var(--panel);border:1px solid var(--line);border-left:3px solid var(--cyan);padding:14px 18px;color:#49423d;font-size:13px;margin:18px 0}
.warn{color:var(--yellow);font:11px var(--mono);margin:4px 0}
.err{color:var(--cyan)}
.status{font:12px var(--mono);color:var(--muted);margin-top:8px;min-height:16px}
.status.error{color:var(--cyan)}
code{font:.9em var(--mono);background:#eee8df;color:#783210;padding:2px 5px}
.sticky{position:sticky;top:16px}
@media(max-width:980px){.grid{grid-template-columns:1fr}.sticky{position:static}}
@media(max-width:620px){
  .topbar{padding:14px 20px;align-items:flex-start}
  .brand{gap:8px;line-height:1.25}
  .brandmark{padding-right:8px;font-size:26px}
  .brand small{display:none}
  .topbar>a:last-child{max-width:95px;font-size:11px;line-height:1.35;text-align:right}
  .nav,main{padding-left:20px;padding-right:20px}
  main{padding-bottom:40px}
  .flow-steps li{padding:9px 8px;gap:6px;font-size:10px}
  .panel{padding:16px}
  .src{grid-template-columns:minmax(112px,1.2fr) minmax(72px,1fr) 48px;gap:8px}
  .panel-heading{display:block}
  .panel-heading .textlink{display:inline-block;margin-top:8px}
  .technical-panel{padding-top:0;padding-bottom:0}
}

/* Shared visual language with the Track training studio. */
.track-header{min-height:82px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 5vw;gap:28px;background:var(--paper)}
.track-brand{font-size:19px;font-weight:750;letter-spacing:-.6px;color:var(--text);text-decoration:none;white-space:nowrap}
.track-brand span{color:var(--cyan);margin-right:10px}
.track-nav{display:flex;gap:24px;flex-wrap:wrap}
.track-nav a{padding:29px 0;color:var(--muted);font-size:14px;text-decoration:none;border-bottom:2px solid transparent}
.track-nav a[aria-current]{color:var(--text);border-bottom-color:var(--cyan)}
.environment-note{max-width:1160px;margin:0 auto;padding:18px 30px 0;display:flex;align-items:center;gap:8px;color:var(--muted);font-size:12px}
.environment-dot{width:6px;height:6px;background:var(--cyan);border-radius:50%;flex-shrink:0}
.flow-steps{border-radius:10px;overflow:hidden;background:var(--paper);max-width:none}
.flow-steps li{font-family:var(--sans);font-size:13px;padding:14px 18px}
.eyebrow{font:600 11px/1.7 var(--sans);letter-spacing:2px}
.grid{grid-template-columns:minmax(0,1fr) 350px;gap:24px}
.row label{color:var(--muted)}
select,input[type=text],input[type=number]{background:var(--paper);border-color:var(--line);min-height:44px;max-width:100%}
.bar{height:28px;border-radius:6px}
.notice,pre{border-radius:8px}
.btn.primary:hover{background:#913f29;border-color:#913f29}
@media(max-width:1100px){.track-header{align-items:flex-start;flex-direction:column;gap:0;padding-top:20px}.track-nav a{padding:18px 0}.track-nav{gap:22px}}
@media(max-width:980px){.grid{grid-template-columns:1fr}.sticky{position:static}}
@media(max-width:620px){.track-header{padding:18px 20px 0}.track-nav{gap:0 20px}.track-nav a{font-size:13px;padding:15px 0}.environment-note{padding:18px 20px 0;flex-wrap:wrap;font-size:11px}.flow-steps li{padding:12px 9px;font-size:12px}.panel{padding:20px}.src{grid-template-columns:minmax(100px,1.2fr) minmax(65px,1fr) 40px;gap:6px}.src label{font-size:12px}.src .docs{font-size:9px}.row input[type=text]{min-width:0;width:100%}.row label{width:100%}.hero{padding-top:24px}.technical-panel{padding-top:0;padding-bottom:0}}