:root{--bg:#fff;--ink:#0A0E14;--graphite:#F4F5F7;--graphite2:#E8E9ED;--line:#E3E4E8;--line2:#C9CBD2;--steel:#54585F;
--signal:#E7231D;--signal-dark:#B31410;--blue:#1B3FD1;--blue-dark:#122C99;--ok:#13804a;--amber:#b36b00;
--fd:'Space Grotesk',sans-serif;--fb:'Inter',sans-serif;--fm:'IBM Plex Mono',monospace}
*{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px}
body{background:var(--bg);color:var(--ink);font-family:var(--fb);line-height:1.55;min-height:100vh;display:flex;flex-direction:column}
main.wrap{flex:1;width:100%;padding-top:28px;padding-bottom:60px}
footer.foot .wrap{width:100%}
a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}
h1,h2,h3,h4{font-family:var(--fd);line-height:1.2}
h1{font-size:30px;margin-bottom:6px}h2{font-size:20px}h3{font-size:16px}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}main.narrow{max-width:520px}
.muted{color:var(--steel)}.small{font-size:13px}.mono{font-family:var(--fm)}.nowrap{white-space:nowrap}.num{text-align:right;font-variant-numeric:tabular-nums}
/* header */
header.top{background:var(--signal);border-bottom:1px solid var(--signal-dark);box-shadow:0 2px 14px rgba(179,20,16,.25);position:sticky;top:0;z-index:50}
.top-in{display:flex;align-items:center;gap:28px;min-height:62px}
.brand{display:flex;align-items:center;gap:12px;color:#fff}.brand img{height:30px}.brand span{font-family:var(--fm);font-size:11px;letter-spacing:.12em;text-transform:uppercase;border-left:1px solid rgba(255,255,255,.5);padding-left:12px}
nav.main{display:flex;gap:4px;flex:1}nav.main a{color:#fff;font-weight:600;font-size:14px;padding:8px 14px;border-radius:2px}nav.main a:hover{background:rgba(255,255,255,.16);text-decoration:none}nav.main a.adm{background:rgba(0,0,0,.2)}
.who{display:flex;align-items:center;gap:14px;font-size:13px;color:#fff}.who a{color:#fff}.who .nm{opacity:.9}
.linkbtn{background:none;border:0;color:#fff;font:inherit;cursor:pointer;text-decoration:underline}
.subnav{background:var(--graphite);border-bottom:1px solid var(--line)}.subnav .wrap{display:flex;gap:2px;overflow:auto}
.subnav a{padding:11px 16px;font-size:13.5px;color:var(--steel);font-weight:500;white-space:nowrap;border-bottom:2px solid transparent}.subnav a.on{color:var(--ink);border-bottom-color:var(--signal);font-weight:600}.subnav a:hover{text-decoration:none;color:var(--ink)}
footer.foot{border-top:1px solid var(--line);padding:18px 0;font-size:12.5px;color:var(--steel)}
/* flash */
.flash{padding:12px 16px;border:1px solid var(--line2);border-left-width:4px;background:var(--graphite);margin-bottom:16px;font-size:14px}
.flash.ok{border-left-color:var(--ok);background:#eef8f2}.flash.error{border-left-color:var(--signal);background:#fdeeed}.flash.info{border-left-color:var(--blue);background:#eef1fc}
/* forms & buttons */
label{display:block;font-size:13px;font-weight:600;margin-bottom:14px;color:var(--ink)}
input,select,textarea{display:block;width:100%;margin-top:5px;padding:10px 12px;border:1px solid var(--line2);background:#fff;font:inherit;font-size:14.5px;color:var(--ink);border-radius:2px}
input:focus,select:focus,textarea:focus{outline:2px solid var(--blue);outline-offset:0;border-color:var(--blue)}
textarea{font-family:var(--fm);font-size:13px}
label.check{display:flex;gap:8px;align-items:flex-start;font-weight:500;margin-bottom:8px}label.check input{width:auto;margin-top:3px}
fieldset{border:1px solid var(--line);padding:14px 16px;margin:6px 0 16px}legend{font-size:12px;font-family:var(--fm);text-transform:uppercase;letter-spacing:.08em;color:var(--steel);padding:0 6px}
.btn{display:inline-block;padding:10px 18px;border:1px solid var(--ink);background:#fff;color:var(--ink);font:600 14px var(--fb);cursor:pointer;border-radius:2px;text-decoration:none}
.btn:hover{background:var(--graphite);text-decoration:none}.btn.primary{background:var(--signal);border-color:var(--signal);color:#fff}.btn.primary:hover{background:var(--signal-dark)}
.btn.danger{border-color:var(--signal);color:var(--signal)}.btn.block{width:100%;text-align:center}.btn.sm{padding:6px 12px;font-size:13px}
.btn[disabled],.btn.disabled{opacity:.45;pointer-events:none}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}
/* auth */
body.bare{background:var(--graphite)}body.bare header{display:none}
.authcard{background:#fff;border:1px solid var(--line);border-top:4px solid var(--signal);padding:30px 30px 26px;margin:6vh auto 0;max-width:460px}
.authcard.wide{max-width:560px}.authcard h1{font-size:24px;margin-bottom:8px}.authcard p{margin-bottom:14px}.authcard .alogo{background:var(--signal);padding:10px 16px;height:50px;margin:-8px 0 18px;display:block}
/* panels, tables */
.pagehead{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:18px;flex-wrap:wrap}.pagehead h1 small{font-size:14px;color:var(--steel);font-weight:500;margin-left:6px}
.panel{border:1px solid var(--line);padding:20px;margin-bottom:20px;background:#fff}.panel .ph{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:12px}
.cols2{display:grid;grid-template-columns:1fr 1fr;gap:20px}.cols2.top{grid-template-columns:2fr 1fr;align-items:start}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px;margin:6px 0 20px}.kpi{border:1px solid var(--line);border-top:3px solid var(--signal);padding:14px 16px;background:#fff}.kpi b{display:block;font:700 30px var(--fd)}.kpi span{font-size:12.5px;color:var(--steel)}
.tablewrap{overflow:auto;border:1px solid var(--line)}
table.t{width:100%;border-collapse:collapse;font-size:14px}table.t th{text-align:left;font:500 11px var(--fm);text-transform:uppercase;letter-spacing:.08em;color:var(--steel);background:var(--graphite);padding:10px 12px;border-bottom:1px solid var(--line);white-space:nowrap}
table.t td{padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}table.t.zebra tbody tr:nth-child(even){background:#fafafb}
.tag{display:inline-block;font:500 11px var(--fm);padding:2px 8px;border:1px solid var(--line2);color:var(--steel);border-radius:2px}.tag.ok{color:var(--ok);border-color:#9ad2b4;background:#eef8f2}.tag.red{color:var(--signal);border-color:#f2b0ad;background:#fdeeed}.tag.amber{color:var(--amber);border-color:#e8c88c;background:#fff6e5}.tag.blue{color:var(--blue);border-color:#b8c4f2;background:#eef1fc}
.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px;align-items:center}.filters input,.filters select{width:auto;margin:0;min-width:160px}.filters input[name=q]{min-width:260px}
.pager{display:flex;gap:6px;margin-top:14px}.pager a{padding:6px 11px;border:1px solid var(--line2);font-size:13px}.pager a.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.bar{height:8px;background:var(--graphite2);min-width:80px;border-radius:1px;overflow:hidden}.bar i{display:block;height:100%;background:var(--signal)}.bar.done i{background:var(--ok)}
code{font-family:var(--fm);font-size:.9em;background:var(--graphite);padding:1px 5px}
@media (max-width:860px){.cols2,.cols2.top,.grid2{grid-template-columns:1fr}.top-in{flex-wrap:wrap;gap:10px;padding-top:8px;padding-bottom:8px}.brand span{display:none}.who .nm{display:none}}
@media print{header.top,.subnav,.foot,.noprint{display:none!important}body{display:block}.panel,.tablewrap{border:0}}
/* ---------- training ---------- */
.coursegrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:20px;margin-top:14px}
.ccard{border:1px solid var(--line);border-top:4px solid var(--signal);padding:20px;background:#fff;display:flex;flex-direction:column;gap:10px}
.ccard h3{font-size:19px}.ccard .meta{font:500 11px var(--fm);text-transform:uppercase;letter-spacing:.08em;color:var(--steel)}
.ccard .foot2{margin-top:auto;display:flex;justify-content:space-between;align-items:center;gap:10px}
.courselayout{display:grid;grid-template-columns:300px 1fr;gap:34px;align-items:start}
.outline{border:1px solid var(--line);position:sticky;top:78px;max-height:calc(100vh - 100px);overflow:auto;background:#fff}
.outline .oh{padding:14px 16px;border-bottom:1px solid var(--line);background:var(--graphite)}.outline .oh b{font-family:var(--fd)}
.outline .mod{border-bottom:1px solid var(--line)}.outline .mt{display:block;padding:10px 16px;font:600 12px var(--fm);text-transform:uppercase;letter-spacing:.06em;color:var(--steel);background:#fff}
.outline a.ls{display:flex;gap:9px;padding:7px 16px 7px 16px;font-size:13.5px;color:var(--ink);align-items:flex-start}.outline a.ls:hover{background:var(--graphite);text-decoration:none}
.outline a.ls.cur{background:#fdeeed;font-weight:600;border-left:3px solid var(--signal);padding-left:13px}
.dot{flex:none;width:15px;height:15px;border:2px solid var(--line2);border-radius:50%;margin-top:3px}.dot.done{background:var(--ok);border-color:var(--ok);position:relative}.dot.done::after{content:"";position:absolute;left:3px;top:0;width:3px;height:7px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(40deg)}
.lesson h1{font-size:30px;margin-bottom:4px}.lesson .eyebrow{font:500 11px var(--fm);text-transform:uppercase;letter-spacing:.1em;color:var(--signal);margin-bottom:6px}
.lesson .lead{font-size:17px;color:var(--steel);margin:8px 0 22px}
.prose{max-width:760px;font-size:16px}.prose h2{margin:30px 0 10px;font-size:22px}.prose h3{margin:22px 0 8px}.prose p{margin-bottom:14px}.prose ul,.prose ol{margin:0 0 16px 22px}.prose li{margin-bottom:6px}
.prose table{border-collapse:collapse;width:100%;margin:0 0 20px;font-size:14.5px}.prose th{background:var(--graphite);text-align:left;padding:8px 10px;border:1px solid var(--line);font-size:13px}.prose td{padding:8px 10px;border:1px solid var(--line);vertical-align:top}
.prose figure{margin:20px 0;border:1px solid var(--line);padding:14px;background:#fff;max-width:760px}.prose figure img{max-width:100%;height:auto;display:block;margin:0 auto}.prose figcaption{font:500 12px var(--fm);color:var(--steel);margin-top:10px;text-transform:uppercase;letter-spacing:.05em}
.callout{border:1px solid var(--line);border-left:4px solid var(--blue);background:#eef1fc;padding:12px 16px;margin:18px 0;font-size:15px}.callout b.h{display:block;font:600 11px var(--fm);text-transform:uppercase;letter-spacing:.1em;margin-bottom:4px}
.callout.warn{border-left-color:var(--signal);background:#fdeeed}.callout.tip{border-left-color:var(--ok);background:#eef8f2}.callout.note{border-left-color:var(--amber);background:#fff6e5}
.steps{counter-reset:s;list-style:none;margin:0 0 20px!important}.steps li{counter-increment:s;position:relative;padding:4px 0 10px 46px;margin:0}.steps li::before{content:counter(s);position:absolute;left:0;top:2px;width:30px;height:30px;border-radius:50%;background:var(--ink);color:#fff;font:600 14px var(--fd);display:flex;align-items:center;justify-content:center}
.objectives{background:var(--graphite);padding:14px 20px;margin:0 0 22px}.objectives h3{margin:0 0 6px;font-size:14px;font-family:var(--fm);text-transform:uppercase;letter-spacing:.08em}.objectives ul{margin:0 0 0 18px}
.flow{display:flex;flex-direction:column;align-items:stretch;gap:0;margin:18px 0;max-width:560px}.flow div{border:2px solid var(--ink);padding:10px 14px;text-align:center;font-size:14px;background:#fff}.flow div.dec{border-color:var(--signal);background:#fdeeed}.flow div.end{background:var(--ink);color:#fff}.flow i{display:block;text-align:center;color:var(--steel);font-style:normal;line-height:1.1;padding:2px 0;font-size:18px}
.lessonnav{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:34px;padding-top:20px;border-top:1px solid var(--line);flex-wrap:wrap;max-width:760px}
.question{border:1px solid var(--line);padding:16px 18px;margin-bottom:16px;background:#fff;max-width:760px}.question .qn{font:600 11px var(--fm);color:var(--signal);letter-spacing:.1em;text-transform:uppercase}.question p.q{font-weight:600;margin:4px 0 10px}
.opt{display:flex;gap:10px;align-items:flex-start;padding:9px 12px;border:1px solid var(--line);margin-bottom:6px;cursor:pointer;font-weight:400;font-size:15px;margin-top:0}.opt input{width:auto;margin:3px 0 0}.opt:hover{background:var(--graphite)}.opt.sel{border-color:var(--blue);background:#eef1fc}
.opt.right{border-color:#9ad2b4;background:#eef8f2}.opt.wrong{border-color:#f2b0ad;background:#fdeeed}
.explain{font-size:14px;margin-top:8px;padding:8px 12px;background:var(--graphite)}
.result{border:1px solid var(--line);border-left:6px solid var(--signal);padding:18px 22px;margin-bottom:20px;max-width:760px}.result.pass{border-left-color:var(--ok);background:#eef8f2}.result b.big{font:700 38px var(--fd);display:block}
@media (max-width:980px){.courselayout{grid-template-columns:1fr}.outline{position:static;max-height:none}}