.skill-shell{--ink:#17283b;--muted:#617184;--line:#dbe3e8;--mint:#0a775c;--paper:#f5f7f4;max-width:1240px;margin:0 auto;padding:48px 28px 100px;color:var(--ink)}.skill-task-rail,.skill-workspace{min-width:0}
.skill-shell *{box-sizing:border-box}.skill-kicker{font:700 12px/1.4 ui-monospace,SFMono-Regular,monospace;letter-spacing:.14em;color:var(--mint);margin:0 0 20px}.skill-hero{padding:54px 60px 48px;border-radius:28px;background:#e7f2e9;position:relative;overflow:hidden}.skill-hero:after{content:"{";position:absolute;right:30px;top:-110px;font:400 420px/1 Georgia,serif;color:#d1e7d7;pointer-events:none}.skill-hero>*{position:relative;z-index:1}.skill-hero h1{max-width:800px;font:700 clamp(40px,5vw,68px)/1.04 Georgia,serif;letter-spacing:-.045em;margin:0 0 22px}.skill-hero h1 em{color:var(--mint);font-style:normal}.skill-hero>p:not(.skill-kicker){font-size:18px;line-height:1.6;max-width:610px;margin:0;color:#39536a}.skill-hero-meta{display:flex;gap:24px;flex-wrap:wrap;margin-top:36px;font:700 12px/1.4 ui-monospace,monospace;color:#345a4f;text-transform:uppercase}.skill-hero-meta span+span:before{content:"·";margin-right:24px;color:#8cad9c}.skill-login-note{margin-top:20px;padding:16px 20px;background:#fff4d8;border-radius:12px;color:#674b16}.skill-login-note a,.skill-login-required a{color:#086a55;font-weight:700}.skill-overview{display:grid;grid-template-columns:minmax(0,1fr) 275px;gap:24px;margin-top:30px}.skill-tracks{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.skill-track-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:27px 28px;box-shadow:0 12px 35px #183b2a09}.skill-track-card:last-child{grid-column:1/-1}.skill-track-top{display:flex;justify-content:space-between;color:var(--muted);font:700 12px ui-monospace,monospace;text-transform:uppercase}.skill-track-no{font-size:23px;color:var(--mint)}.skill-track-card h2{font:700 29px/1.2 Georgia,serif;letter-spacing:-.02em;margin:24px 0 8px}.skill-track-card p{color:var(--muted);line-height:1.55;min-height:49px;margin:0 0 19px}.skill-task-list{list-style:none;padding:0;margin:0;border-top:1px solid var(--line)}.skill-task-list li{border-bottom:1px solid var(--line)}.skill-task-list a{display:flex;justify-content:space-between;gap:12px;padding:14px 0;color:var(--ink);text-decoration:none;font-weight:650}.skill-task-list a:hover{color:var(--mint)}.skill-task-state{font-size:12px;color:var(--mint);white-space:nowrap}.skill-achievements{background:#193d38;color:#fff;border-radius:20px;padding:28px;align-self:start;position:sticky;top:24px}.skill-achievements .skill-kicker{color:#9fdec7}.skill-score{display:block;font:700 70px/1 Georgia,serif;letter-spacing:-.05em}.skill-score span{font-size:27px;color:#a0c4b9}.skill-achievements>p:not(.skill-kicker){color:#b5cec5;margin:10px 0 45px}.skill-achievements h2{font:700 21px Georgia,serif;margin:0 0 16px}.skill-achievements ul{padding:0;margin:0;list-style:none}.skill-achievements li{padding:13px 0;border-top:1px solid #3f625b;color:#8fa9a1;font-size:14px}.skill-achievements li span{margin-right:11px}.skill-achievements li.earned{color:#e4fff0}.skill-back{display:inline-block;margin-bottom:30px;color:var(--mint);font-weight:700;text-decoration:none}.skill-task-layout{display:grid;grid-template-columns:275px minmax(0,1fr);gap:36px}.skill-task-rail{align-self:start;position:sticky;top:24px}.skill-task-rail h2{font:700 25px Georgia,serif;margin:0 0 23px}.skill-task-rail nav{display:grid;border-top:1px solid var(--line)}.skill-task-rail nav a{display:flex;gap:12px;align-items:center;border-bottom:1px solid var(--line);padding:16px 10px;color:#506275;text-decoration:none;font-size:14px}.skill-task-rail nav a[aria-current="page"]{background:#eaf4ed;color:#075d49;border-radius:9px;font-weight:700}.skill-task-rail nav a span{font:700 12px ui-monospace,monospace}.skill-task-rail nav a b{margin-left:auto;color:var(--mint)}.skill-rail-progress{font-size:13px;color:var(--muted);margin-top:23px}.skill-workspace{background:#fff;border:1px solid var(--line);border-radius:24px;padding:clamp(25px,4vw,54px);box-shadow:0 18px 45px #163d2c0c}.skill-workspace-head{display:flex;justify-content:space-between;gap:15px}.skill-level{font:700 12px ui-monospace,monospace;color:#8b620a;background:#fff1c8;border-radius:99px;padding:7px 11px}.skill-workspace h1,.skill-stand h1{font:700 clamp(34px,4vw,54px)/1.08 Georgia,serif;letter-spacing:-.035em;margin:5px 0 18px}.skill-scenario{color:#53677b;font-size:18px;line-height:1.6;max-width:650px}.skill-instruction{border-left:4px solid #73b89c;padding:5px 0 5px 20px;margin:35px 0}.skill-instruction h2{font-size:15px;margin:0 0 7px}.skill-instruction p{margin:0;line-height:1.65}.skill-artifact{border:1px solid #d5e0e7;border-radius:12px;overflow:hidden;margin:32px 0;background:#142633;color:#e8f5ef}.skill-artifact-head{display:flex;justify-content:space-between;padding:11px 17px;background:#203746;color:#a8c1bb;font:700 11px ui-monospace,monospace;letter-spacing:.08em}.skill-artifact pre{margin:0;padding:22px;white-space:pre-wrap;overflow-wrap:anywhere;font:14px/1.65 ui-monospace,SFMono-Regular,monospace}.skill-stand-link{display:flex;justify-content:space-between;align-items:center;max-width:430px;margin:30px 0 7px;padding:17px 19px;border-radius:11px;background:#103f35;color:#fff;text-decoration:none;font-weight:700}.skill-stand-link:hover{background:#0c6c54}.skill-small{font-size:13px;color:var(--muted)}.skill-answer-form{margin-top:35px;padding-top:28px;border-top:1px solid var(--line)}.skill-answer-form label{display:block;font-weight:700;margin-bottom:11px}.skill-answer-form textarea{display:block;width:100%;min-height:96px;padding:16px;border:1px solid #b9cad0;border-radius:11px;background:#fbfdfc;color:var(--ink);font:15px/1.55 ui-monospace,SFMono-Regular,monospace;resize:vertical}.skill-answer-form textarea:focus{outline:3px solid #b9e6ce;border-color:var(--mint)}.skill-answer-actions{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin-top:16px}.skill-answer-actions button,.skill-stand-grid button{border:0;border-radius:10px;padding:13px 19px;background:#0b735a;color:#fff;font-weight:700;cursor:pointer}.skill-answer-actions button:disabled,.skill-stand-grid button:disabled{opacity:.55;cursor:default}.skill-answer-actions .skill-hint-button{background:#edf3ef;color:#175c4c}.skill-hint{color:#496879;background:#eef6f3;border-radius:10px;padding:14px 17px}.skill-feedback{margin-top:19px;padding:16px 18px;border-radius:11px;line-height:1.5;background:#eef3f5}.skill-feedback.is-passed{background:#e0f5e6;color:#145a3d}.skill-feedback.is-failed{background:#fff0dc;color:#744600}.skill-stand>p:not(.skill-kicker){max-width:680px;color:#526778;line-height:1.6}.skill-stand-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin:40px 0}.skill-stand-grid section{border:1px solid var(--line);border-radius:18px;background:#fff;padding:28px;display:flex;flex-direction:column;align-items:start;min-height:250px}.skill-stand-tag{font:700 11px ui-monospace,monospace;color:var(--mint);letter-spacing:.1em}.skill-stand-grid h2{font:700 25px Georgia,serif;margin:24px 0 6px}.skill-stand-grid p{color:var(--muted);line-height:1.5;flex:1}.skill-stand-result{padding:15px 19px;border-radius:10px;background:#e7f2e9}
@media(max-width:940px){.skill-overview{grid-template-columns:minmax(0,1fr)}.skill-achievements{position:static}.skill-task-layout{grid-template-columns:minmax(0,1fr)}.skill-task-rail{position:static}.skill-task-rail nav{display:flex;overflow:auto;gap:7px;border:0}.skill-task-rail nav a{border:1px solid var(--line);border-radius:9px;white-space:nowrap}.skill-stand-grid{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.skill-shell{padding:25px 16px 70px}.skill-hero{padding:34px 24px}.skill-hero:after{display:none}.skill-hero h1{font-size:41px}.skill-hero-meta{gap:9px}.skill-hero-meta span+span:before{margin-right:9px}.skill-tracks,.skill-stand-grid{grid-template-columns:1fr}.skill-track-card:last-child{grid-column:auto}.skill-workspace{padding:24px 19px}.skill-workspace-head{align-items:center}.skill-stand-grid section{min-height:210px}}

.skill-overview.is-guest{grid-template-columns:minmax(0,1fr)}

/* The practice area shares the editorial style of the public T-QA pages. */
.skill-shell{width:min(100% - 2 * var(--page),1180px);max-width:none;margin:0 auto 96px;padding:0;color:var(--ink);--ink:#231f20;--muted:#65615f;--line:rgba(35,31,32,.17);--mint:var(--accent)}
.skill-kicker{margin:0 0 18px;color:var(--accent);font:650 12px/1.4 var(--mono);letter-spacing:.08em;text-transform:uppercase}
.skill-hero{padding:clamp(32px,4vw,48px) 0 34px;border-bottom:1px solid var(--line);border-radius:0;background:transparent}
.skill-hero:after{content:none}
.skill-hero h1{max-width:880px;margin:0;font:650 clamp(42px,5.5vw,72px)/1.04 var(--display);letter-spacing:-.05em;text-wrap:balance}
.skill-hero h1 em{color:var(--accent)}
.skill-hero>p:not(.skill-kicker){max-width:690px;margin:25px 0 0;color:var(--muted);font-size:clamp(17px,2vw,20px);line-height:1.5}
.skill-hero-meta{gap:10px 24px;margin-top:28px;color:var(--accent);font:650 12px/1.5 var(--mono)}
.skill-hero-meta span+span:before{content:"/";margin-right:24px;color:var(--line)}
.skill-login-note{margin-top:28px;padding:13px 0 13px 16px;border-left:3px solid var(--accent);border-radius:0;background:transparent;color:var(--muted);line-height:1.5}
.skill-login-note a,.skill-login-required a{color:var(--accent)}
.skill-overview{grid-template-columns:minmax(0,1fr) 260px;gap:24px;margin-top:28px}
.skill-overview.is-guest{grid-template-columns:minmax(0,1fr)}
.skill-tracks{gap:16px}
.is-guest .skill-tracks{grid-template-columns:repeat(3,minmax(0,1fr))}
.is-guest .skill-track-card:last-child{grid-column:auto}
.skill-track-card{display:flex;flex-direction:column;padding:clamp(24px,2.7vw,36px);border:1px solid var(--line);border-radius:0;box-shadow:none}
.skill-track-top{color:var(--accent);font:650 12px/1.4 var(--mono)}
.skill-track-no{font-size:14px;color:var(--accent)}
.skill-track-card h2{margin:52px 0 10px;font:650 clamp(26px,2.6vw,34px)/1.14 var(--display);letter-spacing:-.035em}
.skill-track-card p{min-height:74px;margin:0 0 28px;color:var(--muted)}
.skill-task-list{margin:auto 0 0}
.skill-task-list a{align-items:baseline;padding:15px 0;color:var(--ink);font-weight:600;line-height:1.35}
.skill-task-list a:hover,.skill-task-list a:focus-visible{color:var(--accent)}
.skill-task-state{flex:0 0 auto;color:var(--accent);font:600 11px/1.4 var(--mono)}
.skill-achievements{padding:28px;border:1px solid var(--line);border-top:3px solid var(--accent);border-radius:0;background:#fff;color:var(--ink)}
.skill-achievements .skill-kicker{color:var(--accent)}
.skill-score{margin-top:22px;font:650 68px/1 var(--display)}
.skill-score span,.skill-achievements>p:not(.skill-kicker){color:var(--muted)}
.skill-achievements h2{font:650 20px/1.2 var(--display)}
.skill-achievements li{border-color:var(--line);color:var(--muted)}
.skill-achievements li span{color:var(--accent)}
.skill-achievements li.earned{color:var(--ink);font-weight:650}
.skill-back{margin:30px 0 34px;color:var(--accent);text-decoration:underline;text-underline-offset:4px}
.skill-task-layout{grid-template-columns:240px minmax(0,1fr);gap:clamp(32px,6vw,88px)}
.skill-task-rail h2{font:650 26px/1.15 var(--display);letter-spacing:-.03em}
.skill-task-rail nav a{align-items:baseline;padding:15px 10px;color:var(--muted)}
.skill-task-rail nav a[aria-current="page"]{padding-left:7px;border-left:3px solid var(--accent);border-radius:0;background:transparent;color:var(--accent)}
.skill-task-rail nav a span{font:650 12px/1.4 var(--mono)}
.skill-task-rail nav a b{color:var(--accent)}
.skill-workspace{padding:32px 0 0;border:0;border-top:2px solid var(--ink);border-radius:0;box-shadow:none}
.skill-workspace-head{align-items:baseline}
.skill-level{padding:4px 8px;border:1px solid var(--accent);border-radius:0;background:transparent;color:var(--accent);font:650 11px/1.4 var(--mono);text-transform:uppercase}
.skill-workspace h1,.skill-stand h1{margin:6px 0 20px;font:650 clamp(38px,5vw,64px)/1.06 var(--display);letter-spacing:-.045em;text-wrap:balance}
.skill-scenario{max-width:680px;color:var(--muted);line-height:1.55}
.skill-instruction{margin:40px 0;padding:22px 0;border:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.skill-instruction h2{font:650 17px/1.3 var(--display)}
.skill-artifact{border:0;border-radius:0;background:var(--ink);color:#f6f4f4}
.skill-artifact-head{border-bottom:1px solid #5c5355;background:transparent;color:#e8a7b2;font:650 11px/1.4 var(--mono)}
.skill-artifact pre{font-family:var(--mono)}
.skill-stand-link{border-radius:0;background:var(--accent)}
.skill-stand-link:hover,.skill-stand-link:focus-visible{background:#75081b;color:#fff}
.skill-answer-form textarea{border-color:var(--line);border-radius:0;background:#fff;color:var(--ink);font-family:var(--mono)}
.skill-answer-form textarea:focus{outline:2px solid var(--accent);outline-offset:2px;border-color:var(--accent)}
.skill-answer-actions button,.skill-stand-grid button{border:1px solid var(--accent);border-radius:0;background:var(--accent)}
.skill-answer-actions button:hover,.skill-stand-grid button:hover{background:#75081b}
.skill-answer-actions .skill-hint-button{background:#fff;color:var(--accent)}
.skill-answer-actions .skill-hint-button:hover{background:#f7f2f3}
.skill-hint{border-left:3px solid var(--accent);border-radius:0;background:#f7f2f3;color:var(--ink)}
.skill-feedback{border-left:3px solid var(--ink);border-radius:0;background:#f4f4f4}
.skill-feedback.is-passed{border-color:#2a6840;background:#f1f7f2;color:#205333}
.skill-feedback.is-failed{border-color:var(--accent);background:#fbf2f3;color:#751326}
.skill-login-required{color:var(--muted);font-size:14px}
.skill-stand>p:not(.skill-kicker){color:var(--muted)}
.skill-stand-grid{gap:16px}
.skill-stand-grid section{border-color:var(--line);border-radius:0}
.skill-stand-tag{color:var(--accent);font:650 11px/1.4 var(--mono)}
.skill-stand-grid h2{font:650 26px/1.15 var(--display);letter-spacing:-.03em}
.skill-stand-result{border-left:3px solid var(--accent);border-radius:0;background:#f7f2f3;color:var(--ink)}
@media(max-width:1060px){.is-guest .skill-tracks{grid-template-columns:repeat(2,minmax(0,1fr))}.is-guest .skill-track-card:last-child{grid-column:1/-1}}
@media(max-width:900px){.skill-task-layout{grid-template-columns:minmax(0,1fr);gap:32px}.skill-task-rail nav a[aria-current="page"]{padding-left:10px;border:1px solid var(--accent)}}
@media(max-width:640px){.skill-shell{margin-bottom:70px;padding:0}.skill-hero{padding:38px 0 30px}.skill-hero h1{font-size:clamp(38px,10vw,52px)}.skill-hero-meta{gap:8px 16px}.skill-hero-meta span+span:before{margin-right:16px}.skill-tracks,.is-guest .skill-tracks{grid-template-columns:1fr}.skill-track-card:last-child,.is-guest .skill-track-card:last-child{grid-column:auto}.skill-track-card h2{margin-top:34px}.skill-track-card p{min-height:0}.skill-workspace{padding-top:25px}.skill-task-state{text-align:right}}