.lv-beginner{--lv:var(--vector)}.lv-intermediate{--lv:var(--accent)}.lv-advanced{--lv:var(--danger)}.lv-none{--lv:var(--ink-muted)}.trk-totals,.trk-stats{margin:0 0 var(--space-4);border:1px solid var(--hairline);border-radius:var(--radius-md);background:var(--surface);grid-template-columns:repeat(6,minmax(0,1fr));display:grid;overflow:hidden}.trk-totals>div,.trk-stats>div{border-left:1px solid var(--hairline);min-width:0;padding:14px 18px}.trk-totals>div:first-child,.trk-stats>div:first-child{border-left:0}.trk-totals dt,.trk-stats dt{color:var(--ink-muted);letter-spacing:.04em;font-size:12px}.trk-totals dd,.trk-stats dd{font-family:var(--type-mono);color:var(--ink);font-variant-numeric:tabular-nums;margin:2px 0 0;font-size:22px;font-weight:600;line-height:1.3}.trk-legend{color:var(--ink-muted);margin-bottom:var(--space-4);flex-wrap:wrap;align-items:center;gap:8px 20px;font-size:13px;display:flex}.trk-legend span{align-items:center;gap:8px;display:inline-flex}.trk-legend i{border-radius:var(--radius-pill);background:var(--lv);width:18px;height:6px}.trk-legend-note{margin-left:auto}.trk-dir-controls{margin-bottom:var(--space-4);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px 16px;display:flex}.trk-tabs{flex-wrap:wrap;gap:6px;display:flex}.trk-tabs button{min-height:var(--control-height-sm);border:1px solid var(--hairline);border-radius:var(--radius-pill);color:var(--ink-muted);cursor:pointer;background:0 0;align-items:center;gap:8px;padding:0 14px;font-size:14px;transition:background-color .15s,color .15s,border-color .15s;display:inline-flex}.trk-tabs button small{font-family:var(--type-mono);opacity:.8;font-size:11px}.trk-tabs button:hover{color:var(--ink);border-color:var(--ink-muted)}.trk-tabs button.is-on{background:var(--ink);color:var(--ground);border-color:var(--ink)}.trk-search{flex:320px;align-items:center;min-width:0;display:flex;position:relative}.trk-search>.fa,.trk-search>span[aria-hidden]{color:var(--ink-muted);pointer-events:none;position:absolute;left:14px}.trk-search input{width:100%;min-width:0;height:var(--control-height);padding-left:40px!important;padding-right:40px!important}.trk-search-compact{flex:0 340px}.trk-clear{border-radius:var(--radius-pill);background:var(--surface-raised);width:28px;height:28px;color:var(--ink-muted);cursor:pointer;border:0;place-items:center;display:grid;position:absolute;right:8px}.trk-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;margin:0;padding:0;list-style:none;display:grid}.trk-card{border:1.5px solid var(--hairline);border-radius:var(--radius-md);background:var(--surface);height:100%;color:var(--ink);flex-direction:column;gap:10px;padding:20px;text-decoration:none;transition:border-color .15s,transform .15s,background-color .15s,box-shadow .15s;display:flex;box-shadow:0 4px 16px #0f172a08}.trk-card:hover{border-color:var(--accent);background:var(--surface-raised);transform:translateY(-1px);box-shadow:0 8px 24px #0f172a0f}.trk-card:focus-visible{outline:2px solid var(--focus-ring);outline-offset:2px}.trk-card-top{color:var(--ink-muted);letter-spacing:.06em;justify-content:space-between;align-items:baseline;font-size:12px;display:flex}.trk-card-top em{font-style:normal;font-family:var(--type-mono);color:var(--accent);font-weight:600}.trk-card h2{margin:0;font-size:20px;font-weight:600;line-height:1.4}.trk-card p{color:var(--ink-muted);-webkit-line-clamp:3;-webkit-box-orient:vertical;margin:0;font-size:14px;line-height:1.7;display:-webkit-box;overflow:hidden}.trk-levelbar{border-radius:var(--radius-pill);gap:2px;height:6px;margin-top:auto;display:flex;overflow:hidden}.trk-levelbar i{background:var(--lv);flex-basis:0;min-width:3px}.trk-card-stats{grid-template-columns:repeat(3,1fr);gap:8px;margin:0;display:grid}.trk-card-stats dt{color:var(--ink-muted);font-size:11px}.trk-card-stats dd{font-family:var(--type-mono);margin:0;font-size:16px;font-weight:600}.trk-card-progress{color:var(--success);align-items:center;gap:6px;font-size:12px;display:inline-flex}.trk-hero{margin:18px 0 var(--space-4);max-width:980px}.academy-content .trk-hero h1{margin:6px 0 10px}.trk-role{margin:0 0 var(--space-4);color:var(--ink);max-width:72ch;font-size:18px;line-height:1.8}.trk-facts{margin:0 0 var(--space-4);grid-template-columns:1fr 1fr;gap:16px;display:grid}.trk-facts>div{border-left:2px solid var(--accent);background:var(--surface);border-radius:0 var(--radius-sm) var(--radius-sm) 0;padding:14px 16px}.trk-facts dt{letter-spacing:.06em;color:var(--ink-muted);align-items:center;gap:6px;font-size:12px;font-weight:600;display:flex}.trk-facts dd{margin:4px 0 0;font-size:15px;line-height:1.7}.trk-hero .trk-stats{max-width:none;margin-bottom:0}.trk-layout{margin-top:var(--space-5);grid-template-columns:248px minmax(0,1fr);align-items:start;gap:32px;display:grid}.trk-aside{min-width:0;position:sticky;top:96px}.trk-rail{border:1px solid var(--hairline);border-radius:var(--radius-md);background:var(--surface);flex-direction:column;max-height:calc(100svh - 120px);display:flex;overflow:hidden}.trk-rail-progress{color:var(--ink-muted);border-bottom:1px solid var(--hairline);justify-content:space-between;padding:12px 14px;font-size:12px;display:flex;position:relative}.trk-rail-progress b{font-family:var(--type-mono);color:var(--ink)}.trk-rail-progress i{background:var(--success);height:2px;transition:width .3s;position:absolute;bottom:-1px;left:0}.trk-rail ol{overscroll-behavior:contain;margin:0;padding:6px;list-style:none;overflow-y:auto}.trk-rail a{border-radius:var(--radius-sm);color:var(--ink-muted);grid-template-columns:8px 34px minmax(0,1fr);align-items:center;gap:8px;padding:7px 8px;font-size:13px;line-height:1.45;text-decoration:none;display:grid}.trk-rail a:hover{color:var(--ink);background:var(--surface-raised)}.trk-rail a.is-active{color:var(--signal-ink,var(--signal-ink));background:var(--signal-wash,var(--signal-wash));border-left:3px solid var(--accent,var(--accent));font-weight:600}:root[data-theme=dark] .trk-rail a.is-active{color:#ff9d42;background:color-mix(in srgb, var(--signal) 16%, transparent);border-left-color:#ff9d42}.trk-rail a em{font-style:normal;font-family:var(--type-mono);color:var(--ink-muted);font-size:12px}.trk-rail a.is-active em{color:var(--accent);font-weight:700}.trk-rail a.is-done{color:var(--ink)}.trk-rail a.is-done .trk-dot{background:var(--success,#15803d)}.trk-rail a.is-done 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8px;font-size:11px;font-weight:600;line-height:1.7;display:inline-flex}.trk-badge.is-elective{--lv:var(--accent)}.trk-badge.is-fast{--lv:var(--ink-muted);font-weight:400}.trk-mod-body{padding:18px 20px 20px}.trk-mod-body h3{letter-spacing:.04em;color:var(--ink-muted);align-items:center;gap:6px;margin:0 0 8px;font-size:13px;font-weight:600;display:flex}.trk-mod-intro{border-bottom:1px dashed var(--hairline);grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:24px;margin-bottom:18px;padding-bottom:18px;display:grid}.trk-mod-side{flex-direction:column;align-items:flex-start;gap:10px;display:flex}.trk-objectives,.trk-checks{gap:6px;margin:0;padding:0;font-size:15px;line-height:1.7;list-style:none;display:grid}.trk-objectives li,.trk-checks li{padding-left:20px;position:relative}.trk-objectives li:before{content:"";background:var(--accent);width:8px;height:2px;position:absolute;top:.75em;left:2px}.trk-checks li:before{content:"✓";color:var(--success);font-weight:700;position:absolute;left:0}.trk-codes{flex-wrap:wrap;gap:6px;margin:0;padding:0;list-style:none;display:flex}.trk-code{border:1px dashed var(--hairline);border-radius:var(--radius-sm);min-height:26px;font-family:var(--type-mono);color:var(--ink-muted);align-items:center;padding:0 8px;font-size:12px;text-decoration:none;display:inline-flex}a.trk-code{color:var(--ink);border-style:solid}a.trk-code:hover{border-color:var(--accent);color:var(--accent)}a.trk-code.is-lab{border-color:color-mix(in srgb, var(--vector) 45%, transparent)}a.trk-code.is-lab:before{content:"▸";color:var(--vector);margin-right:4px}.trk-done{min-height:var(--control-height-sm);border:1.5px solid var(--hairline);border-radius:var(--radius-pill);background:var(--surface);color:var(--ink-muted);cursor:pointer;align-items:center;gap:8px;margin-top:6px;padding:0 12px 0 8px;font-size:13px;font-weight:600;transition:all 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