.dsa-academy{
  --ground:#FBFAF6; --surface:#FFFFFF; --surface-2:#F4F2EA;
  --ink:#141631; --navy:#191C4A; --muted:#6E6C7E;
  --gold:#D7B428; --gold-soft:#FBF3D3;
  --teal:#21759B; --teal-soft:#E9F2F7;
  --green:#1D9E75; --green-soft:#E7F5F0;
  --amber:#B5761A; --amber-soft:#FCF2E2;
  --line:#E4E0D4; --line-soft:#EFECE3;
  --r-card:14px; --r-btn:8px;
  --shadow:0 1px 2px rgba(20,22,49,.04),0 8px 28px rgba(20,22,49,.06);
  --shadow-lift:0 2px 4px rgba(20,22,49,.06),0 18px 44px rgba(20,22,49,.10);
  --sans:'Open Sans',system-ui,-apple-system,sans-serif;
  --display:'Montserrat',system-ui,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,'SF Mono',monospace;
}
.dsa-academy *,.dsa-academy *::before,.dsa-academy *::after{box-sizing:border-box}
.dsa-academy{scroll-behavior:smooth}
.dsa-academy{margin:0; background:var(--ground); color:var(--ink);
  font-family:var(--sans); font-size:17px; line-height:1.75; -webkit-font-smoothing:antialiased}
.dsa-academy h1,.dsa-academy h2,.dsa-academy h3{font-family:var(--display); text-wrap:balance; margin:0}
.dsa-academy a{color:var(--teal)}
.dsa-academy :focus-visible{outline:2.5px solid var(--teal); outline-offset:3px; border-radius:3px}
.dsa-academy .wrap{max-width:1180px; margin:0 auto; padding:0 24px}
.dsa-academy .bar{position:sticky; top:0; z-index:40; background:var(--surface);
  border-bottom:1px solid var(--line); transition:box-shadow .25s ease}
.dsa-academy .bar.lifted{box-shadow:0 1px 14px rgba(20,22,49,.10)}
.dsa-academy .bar-in{display:flex; align-items:center; justify-content:space-between; gap:20px; height:66px}
.dsa-academy .brand{display:flex; align-items:baseline; gap:10px; text-decoration:none; color:var(--ink)}
.dsa-academy .brand b{font-family:var(--display); font-weight:800; font-size:16px; letter-spacing:-.2px}
.dsa-academy .brand span{font-family:var(--mono); font-size:11px; color:var(--muted); letter-spacing:.06em}
.dsa-academy .crumb{font-family:var(--mono); font-size:12px; color:var(--muted);
  white-space:nowrap; overflow:hidden; text-overflow:ellipsis}
.dsa-academy .crumb a{color:var(--muted); text-decoration:none}
.dsa-academy .crumb a:hover{color:var(--teal)}
.dsa-academy .themebtn{font-family:var(--mono); font-size:11px; letter-spacing:.06em; color:var(--muted);
  background:none; border:1px solid var(--line); border-radius:999px;
  padding:6px 13px; cursor:pointer; transition:all .18s ease}
.dsa-academy .themebtn:hover{border-color:var(--teal); color:var(--teal)}
.dsa-academy .readbar{height:2px; background:var(--line-soft)}
.dsa-academy .readbar i{display:block; height:100%; width:0%; background:var(--gold); transition:width .12s linear}
.dsa-academy .head{padding:52px 0 34px}
.dsa-academy .chips{display:flex; align-items:center; gap:10px; flex-wrap:wrap; margin-bottom:20px}
.dsa-academy .chip{font-family:var(--mono); font-size:11px; font-weight:600; letter-spacing:.1em;
  text-transform:uppercase; padding:5px 12px; border-radius:999px}
.dsa-academy .chip-stage{background:var(--gold); color:#191C4A}
.dsa-academy .chip-plain{background:var(--surface-2); color:var(--muted)}
.dsa-academy .chip-time{display:inline-flex; align-items:center; gap:6px; background:none; color:var(--muted); padding:5px 0}
.dsa-academy .chip-time svg{width:13px;height:13px;fill:currentColor}
.dsa-academy h1{font-size:clamp(33px,5.2vw,55px); font-weight:800; line-height:1.04;
  letter-spacing:-.028em; color:var(--navy); max-width:15ch}
.dsa-academy .stand{margin:20px 0 0; font-size:20px; line-height:1.6; color:var(--muted); max-width:54ch}
.dsa-academy .track{display:grid; grid-template-columns:minmax(0,1fr) 316px; gap:56px; align-items:start; padding-bottom:20px}
.dsa-academy .col{max-width:66ch}
.dsa-academy .col p{margin:0 0 22px}
.dsa-academy .col h2{font-size:clamp(22px,2.6vw,29px); font-weight:700; letter-spacing:-.018em;
  color:var(--navy); margin:44px 0 16px}
.dsa-academy .col h2:first-child{margin-top:0}
.dsa-academy .lead-in{font-size:19px}
.dsa-academy .col strong{font-weight:600}
.dsa-academy .col ul{margin:0 0 22px; padding-left:22px}
.dsa-academy .col ul li{margin-bottom:8px}
.dsa-academy .rail{position:sticky; top:92px; display:flex; flex-direction:column; gap:18px}
.dsa-academy .label{font-family:var(--mono); font-size:11px; font-weight:600; letter-spacing:.12em;
  text-transform:uppercase; color:var(--muted); margin:0 0 10px}
.dsa-academy .artefact{background:var(--surface); border:1px solid var(--line);
  border-radius:var(--r-card); padding:20px; box-shadow:var(--shadow)}
.dsa-academy .artefact h3{font-size:16px; font-weight:700; color:var(--navy); line-height:1.35; margin-bottom:8px}
.dsa-academy .artefact p{margin:0 0 16px; font-size:14px; line-height:1.6; color:var(--muted)}
.dsa-academy .dl{display:flex; align-items:center; justify-content:center; gap:8px; width:100%;
  padding:11px 14px; border-radius:var(--r-btn); background:var(--navy); color:var(--ground);
  text-decoration:none; font-family:var(--display); font-weight:700; font-size:13px;
  letter-spacing:.02em; transition:transform .14s ease, box-shadow .14s ease}
.dsa-academy .dl svg{width:15px;height:15px;fill:currentColor}
.dsa-academy .dl:hover{transform:translateY(-1px); box-shadow:var(--shadow-lift)}
.dsa-academy .dl:active{transform:translateY(0) scale(.985)}
.dsa-academy .meta{display:flex; gap:6px; margin-top:12px; font-family:var(--mono); font-size:11px; color:var(--muted)}
.dsa-academy .lessons{background:var(--surface); border:1px solid var(--line); border-radius:var(--r-card); padding:18px 20px}
.dsa-academy .lessons ol{list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:2px}
.dsa-academy .lessons li{display:flex; gap:11px; align-items:flex-start; padding:7px 0; font-size:14px; line-height:1.45}
.dsa-academy .dot{flex:none; width:17px; height:17px; border-radius:50%; margin-top:2px;
  border:2px solid var(--line); display:grid; place-items:center}
.dsa-academy .dot svg{width:9px;height:9px;fill:var(--surface)}
.dsa-academy li.done .dot{background:var(--green); border-color:var(--green)}
.dsa-academy li.done span{color:var(--muted)}
.dsa-academy li.now .dot{border-color:var(--gold); border-width:5px}
.dsa-academy li.now span{font-weight:600; color:var(--navy)}
.dsa-academy li span{color:var(--muted)}
.dsa-academy .tally{margin-top:14px; padding-top:13px; border-top:1px solid var(--line-soft);
  font-family:var(--mono); font-size:12px; color:var(--muted)}
.dsa-academy .tally b{color:var(--green); font-weight:600}
.dsa-academy .note{border-radius:var(--r-card); padding:17px 20px; margin:0 0 24px; font-size:15.5px; line-height:1.65}
.dsa-academy .note p{margin:0}
.dsa-academy .note .label{margin-bottom:6px}
.dsa-academy .note-sa{background:var(--teal-soft); color:var(--ink)}
.dsa-academy .note-sa .label{color:var(--teal)}
.dsa-academy .note-watch{background:var(--amber-soft); color:var(--ink)}
.dsa-academy .note-watch .label{color:var(--amber)}
.dsa-academy .figure{margin:34px 0 30px}
.dsa-academy .figure-frame{background:var(--surface); border:1px solid var(--line);
  border-radius:var(--r-card); padding:22px 20px 16px; overflow-x:auto}
.dsa-academy .figure svg{display:block; width:100%; min-width:540px; height:auto}
.dsa-academy .cap{margin:12px 2px 0; font-size:14px; line-height:1.6; color:var(--muted)}
.dsa-academy .cap b{color:var(--ink); font-weight:600}
.dsa-academy .tbl{width:100%; border-collapse:collapse; margin:6px 0 26px; font-size:15px}
.dsa-academy .tbl th{text-align:left; font-family:var(--mono); font-size:11px; font-weight:600;
  letter-spacing:.09em; text-transform:uppercase; color:var(--muted);
  padding:0 0 9px; border-bottom:1px solid var(--line)}
.dsa-academy .tbl td{padding:10px 0; border-bottom:1px solid var(--line-soft); vertical-align:top}
.dsa-academy .tbl td:last-child,.dsa-academy .tbl th:last-child{text-align:right; font-variant-numeric:tabular-nums}
.dsa-academy .tbl.num td:last-child{font-family:var(--mono); font-size:14px}
.dsa-academy .tbl tr:last-child td{border-bottom:none}
.dsa-academy .tbl.total tr:last-child td{border-top:1.5px solid var(--line); font-weight:600; padding-top:13px}
.dsa-academy .tbl .neg{color:var(--amber)}
.dsa-academy .script{background:var(--surface); border:1px solid var(--line); border-left:4px solid var(--teal);
  border-radius:var(--r-card); padding:16px 20px; margin:0 0 20px;
  font-size:15.5px; line-height:1.7; color:var(--ink)}
.dsa-academy .script p{margin:0 0 10px}
.dsa-academy .script p:last-child{margin:0}
.dsa-academy .script .label{color:var(--teal); margin-bottom:8px}
.dsa-academy .do{background:var(--gold); color:#191C4A; margin:44px 0 0;
  transform:translateY(14px); opacity:.001;
  transition:transform .6s cubic-bezier(.16,1,.3,1), opacity .6s ease}
.dsa-academy .do.shown{transform:none; opacity:1}
.dsa-academy .do-in{padding:44px 0 46px; display:grid; grid-template-columns:minmax(0,1fr) auto; gap:32px; align-items:end}
.dsa-academy .do .label{color:rgba(25,28,74,.62); margin-bottom:12px}
.dsa-academy .do h2{font-size:clamp(25px,3.4vw,36px); font-weight:800; letter-spacing:-.022em; color:#191C4A; max-width:19ch}
.dsa-academy .do ol{margin:20px 0 0; padding:0 0 0 20px; max-width:56ch; font-size:16px; line-height:1.7}
.dsa-academy .do li{margin-bottom:7px}
.dsa-academy .do li::marker{font-family:var(--mono); font-weight:600}
.dsa-academy .do-btn{display:inline-flex; align-items:center; gap:9px; white-space:nowrap;
  background:#191C4A; color:#FFFFFF; text-decoration:none; padding:15px 26px;
  border-radius:var(--r-btn); font-family:var(--display); font-weight:700; font-size:14px;
  letter-spacing:.02em; transition:transform .14s ease, box-shadow .14s ease}
.dsa-academy .do-btn:hover{transform:translateY(-1px); box-shadow:0 14px 34px rgba(25,28,74,.28)}
.dsa-academy .do-btn:active{transform:translateY(0) scale(.985)}
.dsa-academy .do-btn svg{width:15px;height:15px;fill:currentColor}
.dsa-academy .prove{padding:52px 0 8px; text-align:center}
.dsa-academy .prove h2{font-size:23px; font-weight:700; color:var(--navy); margin-bottom:8px}
.dsa-academy .prove p{margin:0 auto 22px; max-width:46ch; color:var(--muted); font-size:15.5px}
.dsa-academy .mark{display:inline-flex; align-items:center; gap:10px; cursor:pointer;
  background:var(--surface); color:var(--ink); border:2px solid var(--line);
  padding:13px 26px; border-radius:999px; font-family:var(--display);
  font-weight:700; font-size:14.5px; transition:all .2s ease}
.dsa-academy .mark svg{width:17px; height:17px; fill:var(--line); transition:fill .2s ease}
.dsa-academy .mark:hover{border-color:var(--green); color:var(--green)}
.dsa-academy .mark:hover svg{fill:var(--green)}
.dsa-academy .mark.on{background:var(--green); border-color:var(--green); color:#fff; cursor:default}
.dsa-academy .mark.on svg{fill:#fff}
.dsa-academy .mark:active{transform:scale(.98)}
.dsa-academy .next{display:flex; align-items:center; justify-content:space-between; gap:22px;
  background:var(--surface); border:1px solid var(--line); border-radius:var(--r-card);
  padding:22px 26px; margin:40px 0 0; text-decoration:none; color:var(--ink);
  transition:border-color .18s ease, box-shadow .18s ease, transform .18s ease}
.dsa-academy .next:hover{border-color:var(--teal); box-shadow:var(--shadow-lift); transform:translateY(-2px)}
.dsa-academy .next b{display:block; font-family:var(--display); font-weight:700; font-size:17px; color:var(--navy)}
.dsa-academy .next svg{width:19px;height:19px;fill:var(--teal); flex:none}
.dsa-academy .next.final{border-color:var(--green); background:var(--green-soft)}
.dsa-academy .next.final svg{fill:var(--green)}
.dsa-academy .foot{margin-top:64px; border-top:1px solid var(--line); padding:26px 0 40px;
  font-family:var(--mono); font-size:11.5px; color:var(--muted);
  display:flex; justify-content:space-between; gap:16px; flex-wrap:wrap}
@media (max-width:940px){.dsa-academy .track{grid-template-columns:1fr; gap:32px}
.dsa-academy .rail{position:static; order:-1}
.dsa-academy .col{max-width:none}
.dsa-academy .do-in{grid-template-columns:1fr; align-items:start; gap:26px}
.dsa-academy .crumb{display:none}
}@media (max-width:560px){.dsa-academy{font-size:16.5px}
.dsa-academy .wrap{padding:0 18px}
.dsa-academy .head{padding:34px 0 26px}
.dsa-academy .stand{font-size:18px}
.dsa-academy .do-btn{width:100%; justify-content:center}
.dsa-academy .next{flex-direction:column; align-items:flex-start; gap:14px}
}@media (prefers-reduced-motion:reduce){.dsa-academy *{animation:none!important; transition:none!important}
.dsa-academy .do{opacity:1; transform:none}
}@media print{.dsa-academy .bar,.dsa-academy .do-btn,.dsa-academy .dl,.dsa-academy .mark,.dsa-academy .next,.dsa-academy .themebtn{display:none!important}
.dsa-academy{background:#fff; font-size:11pt}
.dsa-academy .track{grid-template-columns:1fr}
.dsa-academy .do{background:#fff; border-top:3px solid #D7B428; border-bottom:3px solid #D7B428; opacity:1; transform:none}
}
.dsa-academy{display:flow-root;background:var(--ground);padding-bottom:40px}.dsa-academy .do{opacity:1!important;transform:none!important}.dsa-academy .rail{top:100px}.dsa-academy .academy-crumb{padding-top:20px;padding-bottom:12px}.dsa-academy .completion-form{margin:20px 0}.dsa-academy .progress-note{margin:16px 0}.dsa-academy .lessons ol a{color:inherit;text-decoration:none}.dsa-academy .lessons ol a:hover{text-decoration:underline}.dsa-academy .source-note{font-size:14px;padding:18px;border-top:1px solid var(--line)}.dsa-academy .tbl{display:block;overflow-x:auto}.dsa-academy .track>*{min-width:0}.dsa-academy .chip{white-space:normal}.dsa-academy .mark{white-space:normal}.dsa-academy .progress-panel{padding:24px;background:var(--surface);border:1px solid var(--line);border-radius:14px;margin:24px auto}.dsa-academy .progress-panel a{color:var(--teal)}
/* Multi-column numeric table (the March/April/May cash view) */
.dsa-academy .tbl.cols td:not(:first-child){text-align:right; font-family:var(--mono); font-size:14px; font-variant-numeric:tabular-nums}
.dsa-academy .tbl.cols th:not(:first-child){text-align:right}