.sg-section-wrap{background:var(--surface-2);padding-top:clamp(2rem,5vw,3.5rem)}.sg-app{--sg-stage:var(--stage-branching);--sg-radius:18px;--sg-pad:clamp(1.25rem, 3.5vw, 2.5rem);color:var(--text);scroll-margin-top:90px}.sg-loading{color:var(--muted);text-align:center;padding:3rem 0;font-style:italic}.sg-eyebrow{font-family:var(--font-mono,monospace);letter-spacing:.16em;text-transform:uppercase;color:var(--gold);margin-bottom:.55rem;font-size:.72rem;font-weight:600}.sg-lead{color:var(--text-2);max-width:68ch;font-size:1.06rem;line-height:1.7}.sg-hint{color:var(--muted);margin:.35rem 0 .75rem;font-size:.86rem}.sg-empty{color:var(--muted);font-style:italic;list-style:none}.sg-result{color:var(--accent-strong);margin-top:.9rem;font-weight:600}.sg-card{background:var(--surface);border:1px solid var(--hairline);border-radius:var(--sg-radius);padding:var(--sg-pad);scroll-margin-top:calc(var(--sg-top,92px) + 84px);margin-bottom:1.75rem;box-shadow:0 1px 2px #1e1e2e0a,0 12px 32px -18px #0d7c6638}.sg-card h2{font-family:var(--font-display);color:var(--text);margin:0 0 .8rem;font-size:clamp(1.6rem,3.4vw,2.3rem);line-height:1.18}.sg-h3{font-family:var(--font-display);color:var(--text);margin:2rem 0 .9rem;font-size:1.3rem}.sg-card h4{color:var(--text);margin:0 0 .75rem;font-size:1rem;font-weight:700}.sg-btn{min-height:44px;font:600 .95rem/1.2 var(--font-body);cursor:pointer;border:1.5px solid #0000;border-radius:999px;justify-content:center;align-items:center;gap:.4rem;padding:.7rem 1.25rem;text-decoration:none;transition:transform .15s,background .2s,box-shadow .2s;display:inline-flex}.sg-btn:hover{transform:translateY(-1px)}.sg-btn:focus-visible,.sg-app button:focus-visible,.sg-app input:focus-visible,.sg-app textarea:focus-visible,.sg-app select:focus-visible,.sg-app a:focus-visible{outline:3px solid var(--gold-soft);outline-offset:2px}.sg-btn--primary{background:var(--accent);color:var(--tsa-white)}.sg-btn--primary:hover{background:var(--accent-strong)}.sg-btn--gold{background:var(--tsa-gold-light);color:var(--tsa-charcoal);border-color:var(--tsa-gold)}.sg-btn--outline{color:var(--accent-strong);border-color:var(--accent);background:0 0}.sg-btn--outline:hover{background:var(--paper-tint)}.sg-btn--small{min-height:38px;padding:.5rem 1rem;font-size:.86rem}.sg-btn[disabled]{opacity:.5;cursor:not-allowed;transform:none}.sg-x{color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:50%;flex:none;width:32px;height:32px;font-size:1.15rem;line-height:1}.sg-x:hover{background:var(--paper-tint);color:var(--text)}.sg-picker{text-align:center;padding:clamp(1rem,3vw,2rem) 0}.sg-picker h2{font-family:var(--font-display);margin:0 0 .6rem;font-size:clamp(1.8rem,4vw,2.6rem)}.sg-picker .sg-lead{margin:0 auto 2rem}.sg-picker__grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:1.1rem;display:grid}.sg-stage-card{text-align:left;background:var(--surface);border:1.5px solid var(--hairline);border-radius:var(--sg-radius);cursor:pointer;color:var(--text);flex-direction:column;align-items:flex-start;gap:.2rem;padding:0 0 1.1rem;transition:transform .2s,border-color .2s,box-shadow .2s;display:flex;overflow:hidden}.sg-stage-card:hover{border-color:var(--accent);transform:translateY(-3px);box-shadow:0 16px 34px -20px #0d7c6680}.sg-stage-card img{aspect-ratio:3/2;object-fit:cover;width:100%;height:auto;margin-bottom:.75rem}.sg-stage-card__name{font-family:var(--font-display);padding:0 1.1rem;font-size:1.4rem;font-weight:700}.sg-stage-card__band{color:var(--accent-strong);padding:0 1.1rem;font-weight:600}.sg-stage-card__theme{color:var(--muted);padding:0 1.1rem;font-size:.88rem}.sg-picker__signin{color:var(--text-2);margin-top:1.5rem}.sg-stagebar{top:var(--sg-top,92px);z-index:20;background:var(--surface);border:1px solid var(--hairline);border-radius:999px;grid-template-columns:repeat(4,minmax(0,1fr));gap:.4rem;margin-bottom:1.25rem;padding:.35rem;display:grid;position:sticky;box-shadow:0 10px 28px -20px #1e1e2e73}.sg-stagebar__tab{min-height:52px;color:var(--text-2);cursor:pointer;font-family:var(--font-body);background:0 0;border:0;border-radius:999px;flex-direction:column;justify-content:center;align-items:center;gap:.05rem;padding:.4rem .6rem;transition:background .2s,color .2s;display:flex;position:relative}.sg-stagebar__tab:hover{background:var(--paper-tint)}.sg-stagebar__tab.is-active{background:var(--sg-stage);color:var(--tsa-white)}.sg-stagebar__name{font-size:.98rem;font-weight:700}.sg-stagebar__band{opacity:.85;font-size:.74rem}.sg-chip{letter-spacing:.04em;text-transform:uppercase;background:var(--surface);color:var(--muted);border:1px solid var(--hairline);border-radius:999px;padding:.1rem .45rem;font-size:.62rem;font-weight:700;position:absolute;top:-9px;right:10px}.sg-chip--mine{background:var(--tsa-gold-light);color:var(--tsa-charcoal);border-color:var(--tsa-gold)}.sg-stagemeta{display:none}.sg-banner{background:var(--surface);border:1px solid var(--hairline);border-left:5px solid var(--gold-soft);color:var(--text-2);border-radius:14px;flex-wrap:wrap;align-items:center;gap:.5rem 1rem;margin-bottom:1.5rem;padding:.9rem 1.2rem;display:flex}.sg-banner strong{color:var(--text)}.sg-banner span{flex:320px}.sg-banner--invite{border-left-color:var(--accent)}.sg-layout{grid-template-columns:250px minmax(0,1fr);align-items:start;gap:2rem;display:grid}.sg-toc{top:calc(var(--sg-top,92px) + 84px);background:var(--surface);border:1px solid var(--hairline);border-radius:var(--sg-radius);max-height:calc(100vh - var(--sg-top,92px) - 104px);scrollbar-width:thin;scrollbar-color:var(--hairline) transparent;padding:1.2rem;position:sticky;overflow:auto}.sg-toc::-webkit-scrollbar{width:6px}.sg-toc::-webkit-scrollbar-thumb{background:var(--hairline);border-radius:6px}.sg-toc__head{justify-content:space-between;align-items:center;gap:.75rem;margin-bottom:1rem;display:flex}.sg-toc__toggle{display:none}.sg-ring{align-items:center;gap:.8rem;display:flex}.sg-ring div{flex-direction:column;display:flex}.sg-ring strong{color:var(--text);font-size:1.35rem}.sg-ring span{color:var(--muted);font-size:.8rem}.sg-ring svg,.sg-timer__face svg{transform:rotate(-90deg)}.sg-ring__track{fill:none;stroke:var(--hairline);stroke-width:7px}.sg-ring__fill{fill:none;stroke:var(--sg-stage);stroke-width:7px;stroke-linecap:round;transition:stroke-dashoffset .6s}.sg-toc__list{counter-reset:none;margin:0;padding:0;list-style:none}.sg-toc__list li a{color:var(--text-2);border-radius:8px;align-items:baseline;gap:.55rem;padding:.42rem .5rem;font-size:.88rem;line-height:1.35;text-decoration:none;display:flex}.sg-toc__list li a:hover{background:var(--paper-tint);color:var(--text)}.sg-toc__num{background:var(--paper-tint);height:22px;color:var(--accent-strong);border-radius:50%;flex:0 0 22px;place-items:center;font-size:.72rem;font-weight:700;display:inline-grid}.sg-toc__list li.is-done .sg-toc__num{background:var(--sg-stage);color:var(--tsa-white)}.sg-toc__list li.is-locked a{opacity:.6}.sg-toc__actions{border-top:1px solid var(--hairline);flex-direction:column;gap:.6rem;margin-top:1rem;padding-top:1rem;display:flex}.sg-sync{color:var(--muted);font-size:.78rem}.sg-intro{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);align-items:center;gap:1.75rem;display:grid}.sg-intro__img{border-radius:14px;width:100%;height:auto}.sg-intro__facts{grid-template-columns:repeat(2,minmax(0,1fr));gap:.6rem;margin:1.2rem 0 0;padding:0;list-style:none;display:grid}.sg-intro__facts li{background:var(--surface-2);color:var(--text-2);border-radius:12px;padding:.7rem .9rem;font-size:.9rem}.sg-intro__facts strong{color:var(--accent-strong)}.sg-letter p{color:var(--text-2);max-width:70ch;line-height:1.75}.sg-letter__note{border-left:4px solid var(--gold-soft);padding-left:1rem;font-style:italic}.sg-letter__sign{font-family:var(--font-display);font-size:1.15rem;color:var(--text)!important}.sg-letter__sign span{font-family:var(--font-body);color:var(--muted);font-size:.88rem}.sg-banner-img{object-fit:cover;border-radius:14px;width:100%;height:auto;max-height:260px;margin-bottom:1.25rem}.sg-audit{grid-template-columns:minmax(0,1fr) minmax(0,340px);align-items:start;gap:2rem;margin-top:1rem;display:grid}.sg-audit__sliders{gap:1rem;display:grid}.sg-slider{background:var(--surface-2);border-radius:12px;padding:.8rem 1rem;display:block}.sg-slider__head{justify-content:space-between;align-items:center;display:flex}.sg-slider__head output{color:var(--accent-strong);font-size:1.1rem;font-weight:800}.sg-slider__prompt{color:var(--text-2);margin:.2rem 0 .5rem;font-size:.86rem;display:block}.sg-slider input[type=range]{width:100%;accent-color:var(--accent);min-height:28px}.sg-audit__chart{text-align:center}.sg-audit__chart svg{width:100%;height:auto;overflow:visible}.sg-audit__total{color:var(--muted);margin:0;font-size:1.05rem}.sg-audit__total strong{color:var(--text);font-size:2rem}.sg-audit__rec{color:var(--text-2);margin:.6rem 0 1rem;font-size:.95rem}.sg-radar__ring{fill:none;stroke:var(--hairline)}.sg-radar__axis{stroke:var(--hairline)}.sg-radar__label{fill:var(--muted);font-size:13px;font-family:var(--font-body)}.sg-radar__shape{fill:color-mix(in srgb, var(--accent) 22%, transparent);stroke:var(--accent);stroke-width:2.5px;transition:all .25s}.sg-radar__base{fill:none;stroke:var(--tsa-gold);stroke-width:2px;stroke-dasharray:5 4}.sg-radar__dot{fill:var(--accent)}.sg-chapter__hero{margin:calc(-1 * var(--sg-pad)) calc(-1 * var(--sg-pad)) 1.5rem;position:relative}.sg-chapter__hero img{object-fit:cover;border-radius:var(--sg-radius) var(--sg-radius) 0 0;width:100%;height:auto;max-height:340px;display:block}.sg-chapter__label{flex-wrap:wrap;align-items:center;gap:.5rem;display:flex;position:absolute;bottom:-18px;left:clamp(1rem,3vw,2rem)}.sg-chapter__num{background:var(--sg-stage);color:var(--tsa-white);border-radius:999px;padding:.45rem .95rem;font-size:.92rem;font-weight:800}.sg-chapter__ep{background:var(--surface);color:var(--text-2);border:1px solid var(--hairline);border-radius:999px;padding:.4rem .85rem;font-size:.82rem}.sg-chapter .sg-eyebrow{margin-top:1.6rem}.sg-grid-2{grid-template-columns:repeat(2,minmax(0,1fr));gap:1.1rem;margin-top:1.4rem;display:grid}.sg-callout{border:1px solid var(--hairline);border-radius:14px;padding:1.1rem 1.25rem}.sg-callout h3{color:var(--text);margin:0 0 .45rem;font-size:.95rem;font-weight:700}.sg-callout p{color:var(--text-2);margin:0;font-size:.95rem;line-height:1.65}.sg-callout--science{background:var(--paper-tint);border-left:4px solid var(--accent)}.sg-callout--lens{background:color-mix(in srgb, var(--gold-soft) 18%, var(--surface));border-left:4px solid var(--gold-soft)}.sg-callout--grownup{background:var(--surface-2)}.sg-example{margin-top:.75rem!important}.sg-example span{text-transform:uppercase;letter-spacing:.1em;color:var(--gold);margin-bottom:.2rem;font-size:.72rem;font-weight:700;display:block}.sg-steps{counter-reset:step;gap:.65rem;margin:0;padding:0;list-style:none;display:grid}.sg-steps li{counter-increment:step;grid-template-columns:38px 1fr;align-items:start;column-gap:.85rem;display:grid}.sg-steps li:before{content:counter(step);background:var(--sg-stage);width:38px;height:38px;color:var(--tsa-white);border-radius:50%;grid-row:span 2;place-items:center;font-weight:800;display:grid}.sg-steps strong{color:var(--text)}.sg-steps span{color:var(--text-2);font-size:.95rem}.sg-mission{cursor:pointer;border:1.5px dashed var(--accent);background:var(--surface);border-radius:14px;align-items:flex-start;gap:.85rem;padding:1.1rem 1.25rem;transition:background .2s;display:flex}.sg-mission input{width:22px;height:22px;accent-color:var(--accent);flex:none;margin-top:.15rem}.sg-mission__tag{letter-spacing:.1em;text-transform:uppercase;color:var(--accent-strong);margin-bottom:.25rem;font-size:.72rem;font-weight:700;display:block}.sg-mission.is-done{background:var(--paper-tint);border-style:solid}.sg-lessons{color:var(--text-2);margin-top:1.1rem;font-size:.92rem}.sg-lessons a{color:var(--accent-strong);font-weight:600}.sg-chapter__foot{border-top:1px solid var(--hairline);justify-content:flex-end;margin-top:1.4rem;padding-top:1.1rem;display:flex}.sg-lock{background:var(--surface-2);border:1px solid var(--hairline);border-radius:14px;margin-top:1.4rem;padding:1.4rem}.sg-lock p{color:var(--text-2);margin:0 0 1rem;line-height:1.65}.sg-lock__actions{flex-wrap:wrap;gap:.75rem;display:flex}.sg-tool{border:1.5px solid color-mix(in srgb, var(--accent) 35%, transparent);background:var(--surface-2);border-radius:16px;margin-top:1.75rem;padding:clamp(1rem,2.5vw,1.6rem)}.sg-tool__head{flex-wrap:wrap;align-items:center;gap:.75rem;margin-bottom:1rem;display:flex}.sg-tool__head h3{font-family:var(--font-display);color:var(--text);margin:0;font-size:1.25rem}.sg-tool__badge{background:var(--accent);color:var(--tsa-white);letter-spacing:.1em;text-transform:uppercase;border-radius:999px;padding:.25rem .6rem;font-size:.68rem;font-weight:700}.sg-grid-2--tool{align-items:start;margin-top:0}.sg-panel{background:var(--surface);border:1px solid var(--hairline);border-radius:14px;padding:1.1rem}.sg-panel+.sg-panel{margin-top:1rem}.sg-grid-2>.sg-panel+.sg-panel{margin-top:0}.sg-field{flex-direction:column;flex:auto;gap:.3rem;margin-bottom:.8rem;display:flex}.sg-field>span{color:var(--text-2);font-size:.82rem;font-weight:600}.sg-app input[type=text],.sg-app input[type=date],.sg-app select,.sg-app textarea{border:1.5px solid var(--hairline);background:var(--surface);width:100%;min-height:44px;color:var(--text);font:400 .95rem/1.5 var(--font-body);box-sizing:border-box;border-radius:10px;padding:.55rem .75rem}.sg-app textarea{resize:vertical}.sg-app input:focus,.sg-app textarea:focus,.sg-app select:focus{border-color:var(--accent)}.sg-lined{background-position:0 6px;background-attachment:local;background-image:repeating-linear-gradient(to bottom, transparent 0, transparent 27px, var(--hairline) 27px, var(--hairline) 28px)!important;padding:6px .75rem!important;font-size:.95rem!important;line-height:28px!important}.sg-diag{gap:.6rem;display:grid}.sg-diag__row{grid-template-columns:1fr 1fr;gap:.6rem;display:grid}.sg-diag__opt{text-align:left;border:1.5px solid var(--hairline);background:var(--surface);color:var(--text-2);cursor:pointer;font:500 .92rem/1.45 var(--font-body);border-radius:12px;min-height:56px;padding:.75rem .9rem}.sg-diag__opt span{letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:.15rem;font-size:.68rem;font-weight:800;display:block}.sg-diag__opt.is-trying{border-color:var(--tsa-gold);background:color-mix(in srgb, var(--gold-soft) 22%, var(--surface));color:var(--text)}.sg-diag__opt.is-training{border-color:var(--accent);background:var(--paper-tint);color:var(--text)}.sg-diag__opt.is-training span{color:var(--accent-strong)}.sg-form{grid-template-columns:1.4fr 1fr auto;align-items:end;gap:.75rem;display:grid}.sg-form .sg-field{margin-bottom:0}.sg-yetlog{gap:.6rem;margin:1.1rem 0 0;padding:0;list-style:none;display:grid}.sg-yetlog li:not(.sg-empty){background:var(--surface);border:1px solid var(--hairline);border-left:4px solid var(--accent);border-radius:12px;grid-template-columns:1fr auto;gap:.15rem .6rem;padding:.75rem .9rem;display:grid}.sg-yetlog s{color:var(--muted);grid-column:1;font-size:.88rem}.sg-yetlog strong{color:var(--text);grid-column:1}.sg-yetlog span{color:var(--accent-strong);grid-column:1;font-size:.82rem}.sg-yetlog .sg-x{grid-area:1/2/span 3;align-self:center}.sg-drill__bar{align-items:center;gap:.9rem;margin-bottom:.6rem;display:flex}.sg-timer-text{font-family:var(--font-mono,monospace);color:var(--accent-strong);font-weight:600}.sg-confidence{flex-wrap:wrap;align-items:center;gap:.4rem;margin-top:.75rem;display:flex}.sg-confidence>span{color:var(--text-2);flex:1 0 100%;font-size:.82rem}.sg-confidence button,.sg-timer__modes button,.sg-chip-btn{border:1.5px solid var(--hairline);background:var(--surface);color:var(--text-2);cursor:pointer;min-height:38px;font:600 .84rem/1 var(--font-body);border-radius:999px;padding:.4rem .85rem}.sg-confidence button.is-on,.sg-timer__modes button.is-on,.sg-chip-btn.is-on{background:var(--accent);border-color:var(--accent);color:var(--tsa-white)}.sg-reviews{gap:.4rem;margin:0 0 .9rem;padding:0;list-style:none;display:grid}.sg-reviews label{background:var(--surface-2);cursor:pointer;border-radius:10px;align-items:center;gap:.7rem;padding:.5rem .7rem;display:flex}.sg-reviews input{width:20px;height:20px;accent-color:var(--accent)}.sg-review__day{color:var(--text);min-width:52px;font-weight:700}.sg-review__date{color:var(--text-2);font-size:.9rem}.sg-reviews li.is-done .sg-review__date{color:var(--muted);text-decoration:line-through}.sg-cornell__top{flex-wrap:wrap;align-items:end;gap:1rem;display:flex}.sg-switch{color:var(--text-2);cursor:pointer;align-items:center;gap:.5rem;min-height:44px;margin-bottom:.8rem;font-size:.88rem;font-weight:600;display:inline-flex}.sg-switch input{width:20px;height:20px;accent-color:var(--accent)}.sg-cornell__grid{border:2px solid var(--text);background:var(--surface);border-radius:12px;grid-template-columns:minmax(0,1fr) minmax(0,2.2fr);grid-template-areas:"cues notes""sum sum";display:grid;overflow:hidden}.sg-cornell__grid label{flex-direction:column;padding:.7rem;display:flex}.sg-cornell__grid label>span{letter-spacing:.1em;text-transform:uppercase;color:var(--accent-strong);margin-bottom:.35rem;font-size:.72rem;font-weight:800}.sg-cornell__grid textarea{background-image:repeating-linear-gradient(to bottom, transparent 0, transparent 27px, var(--hairline) 27px, var(--hairline) 28px);min-height:196px;line-height:28px;border:0!important;padding:0 .25rem!important}.sg-cornell__cues{border-right:2px solid var(--text);background:var(--surface-2);grid-area:cues}.sg-cornell__cues textarea{background-color:#0000}.sg-cornell__notes{grid-area:notes}.sg-cornell__summary{border-top:2px solid var(--text);grid-area:sum}.sg-cornell__summary textarea{min-height:84px}.sg-cornell.is-quiz .sg-cornell__notes textarea{filter:blur(6px);-webkit-user-select:none;user-select:none}.sg-mindmap{margin-top:1.4rem}.sg-mindmap__controls{grid-template-columns:1fr 1.4fr;align-items:end;gap:.8rem;display:grid}.sg-inline-form{align-items:end;gap:.5rem;display:flex}.sg-inline-form .sg-btn{margin-bottom:.8rem}#sgMap{background:var(--surface);border:1px solid var(--hairline);border-radius:14px;width:100%;height:auto}.sg-map__line{fill:none;stroke:var(--tsa-gold);stroke-width:2.5px}.sg-map__node rect{fill:var(--surface-2);stroke:var(--accent);stroke-width:1.5px}.sg-map__node text{font:600 13px var(--font-body);fill:var(--text)}.sg-map__center rect{fill:var(--accent)}.sg-map__center text{font:700 16px var(--font-body);fill:var(--tsa-white)}.sg-tags{flex-wrap:wrap;gap:.4rem;margin-top:.7rem;display:flex}.sg-tag{background:var(--surface);border:1px solid var(--hairline);border-radius:999px;align-items:center;gap:.15rem;padding:.1rem .2rem .1rem .75rem;font-size:.85rem;display:inline-flex}.sg-timer{text-align:center}.sg-timer__modes{flex-wrap:wrap;justify-content:center;gap:.4rem;display:flex}.sg-timer__face{width:min(220px,70%);margin:1rem auto;position:relative}.sg-timer__face svg{width:100%;height:auto;display:block}.sg-timer__face .sg-ring__track,.sg-timer__face .sg-ring__fill{stroke-width:8px}.sg-timer__time{font:600 2.4rem var(--font-mono,monospace);color:var(--text);place-items:center;display:grid;position:absolute;inset:0}.sg-timer__actions{justify-content:center;gap:.6rem;display:flex}.sg-sprints{color:var(--text-2);margin:1rem 0 0}.sg-star{color:var(--hairline);-webkit-text-stroke:1px var(--tsa-gold);font-size:1.25rem}.sg-star.is-on{color:var(--tsa-gold-light)}.sg-week{grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:.5rem;display:grid}.sg-week__day{flex-direction:column;gap:.25rem;display:flex}.sg-week__day>span{letter-spacing:.08em;text-transform:uppercase;color:var(--accent-strong);font-size:.75rem;font-weight:800}.sg-week__day textarea{min-height:88px!important;font-size:.85rem!important}.sg-error-form{grid-template-columns:1fr 1.4fr 1.4fr auto;align-items:end;gap:.6rem;display:grid}.sg-error-form .sg-field{margin-bottom:0}.sg-key{flex-wrap:wrap;gap:.25rem 1rem;margin-top:.7rem;display:flex}.sg-table-wrap{margin-top:1rem;position:relative;overflow-x:auto}.sg-table{border-collapse:collapse;width:100%;min-width:560px;font-size:.88rem}.sg-table th{text-align:left;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);border-bottom:2px solid var(--hairline);padding:.5rem;font-size:.72rem}.sg-table td{border-bottom:1px solid var(--hairline);color:var(--text-2);vertical-align:top;padding:.55rem .5rem}.sg-bars{gap:.4rem;margin-top:1rem;display:grid}.sg-bars__row{color:var(--text-2);grid-template-columns:110px 1fr 28px;align-items:center;gap:.6rem;font-size:.86rem;display:grid}.sg-bars__track{background:var(--surface-2);border-radius:999px;height:12px;overflow:hidden}.sg-bars__fill{background:var(--accent);border-radius:999px;height:100%;transition:width .4s;display:block}.sg-checklist{gap:.4rem;margin:0;padding:0;list-style:none;display:grid}.sg-checklist label,.sg-plan label{cursor:pointer;align-items:flex-start;gap:.7rem;display:flex}.sg-checklist input,.sg-plan input{width:20px;height:20px;accent-color:var(--accent);flex:none;margin-top:.15rem}.sg-checklist label{background:var(--surface-2);color:var(--text-2);border-radius:10px;padding:.45rem .6rem}.sg-question{background:var(--paper-tint);border-left:4px solid var(--accent);border-radius:12px;margin:.4rem 0 .8rem;padding:.85rem 1rem}.sg-question span{letter-spacing:.1em;text-transform:uppercase;color:var(--accent-strong);font-size:.72rem;font-weight:800}.sg-question p{color:var(--text);margin:.3rem 0 0;line-height:1.6}.sg-tree{border-left:3px solid var(--gold-soft);counter-reset:tree;gap:.8rem;margin:0;padding:0 0 0 1.1rem;list-style:none;display:grid}.sg-tree li{counter-increment:tree;flex-direction:column;display:flex;position:relative}.sg-tree li:before{content:counter(tree);background:var(--sg-stage);width:26px;height:26px;color:var(--tsa-white);border-radius:50%;place-items:center;font-size:.78rem;font-weight:800;display:grid;position:absolute;top:0;left:-1.95rem}.sg-tree strong{color:var(--text)}.sg-tree span{color:var(--text-2);font-size:.88rem}.sg-bounce{grid-template-columns:repeat(3,minmax(0,1fr));gap:.9rem;display:grid}.sg-bounce__step{background:var(--surface);border:1px solid var(--hairline);border-radius:14px;padding:1.1rem;position:relative}.sg-bounce__num{background:var(--sg-stage);width:30px;height:30px;color:var(--tsa-white);border-radius:50%;place-items:center;font-weight:800;display:grid;position:absolute;top:-14px;left:14px}.sg-chips{flex-wrap:wrap;gap:.35rem;margin-bottom:.8rem;display:flex}.sg-chip-btn{min-height:34px;padding:.3rem .7rem;font-size:.8rem}.sg-act{border-bottom:1px dashed var(--hairline);grid-template-columns:minmax(0,1fr);gap:0;margin-bottom:.6rem;padding-bottom:.4rem;display:grid}.sg-act:last-child{border-bottom:0;margin-bottom:0}.sg-blueprint{background:var(--surface);border:1.5px dashed var(--hairline);color:var(--muted);border-radius:14px;grid-column:1/-1;padding:1rem 1.2rem}.sg-blueprint span{letter-spacing:.1em;text-transform:uppercase;color:var(--gold);font-size:.72rem;font-weight:800}.sg-blueprint p{margin:.3rem 0 0;line-height:1.6}.sg-blueprint.is-ready{border-style:solid;border-color:var(--accent);background:var(--paper-tint);color:var(--text)}.sg-plan{grid-template-columns:repeat(2,minmax(0,1fr));gap:.5rem;margin:.6rem 0 0;padding:0;list-style:none;display:grid}.sg-plan li{background:var(--surface-2);border-radius:12px;justify-content:space-between;align-items:center;gap:.6rem;padding:.6rem .8rem;display:flex}.sg-plan__day{color:var(--accent-strong);min-width:52px;font-weight:800}.sg-plan__task{color:var(--text-2);font-size:.9rem}.sg-plan li.is-done{background:var(--paper-tint)}.sg-plan li.is-done .sg-plan__task{color:var(--muted);text-decoration:line-through}.sg-plan__link{color:var(--accent-strong);white-space:nowrap;font-size:.78rem;font-weight:700}.sg-finish{text-align:center}.sg-finish .sg-lead{margin:0 auto}.sg-finish__actions{flex-wrap:wrap;justify-content:center;gap:.75rem;margin-top:1.5rem;display:flex}.sg-tagline{font-family:var(--font-display);color:var(--gold);margin-top:1.5rem;font-style:italic}.sg-noscript{text-align:center}@media (width<=1080px){.sg-layout{grid-template-columns:minmax(0,1fr);gap:0}.sg-picker__grid{grid-template-columns:repeat(2,minmax(0,1fr))}.sg-toc{max-height:none;margin-bottom:1.25rem;padding:.7rem .8rem .7rem 1rem;position:static;overflow:visible}.sg-toc__head{margin:0}.sg-ring svg{width:44px;height:44px}.sg-ring strong{font-size:1.05rem;line-height:1.2}.sg-toc__toggle{border:1px solid var(--hairline);min-height:44px;color:var(--text);font:600 .88rem/1 var(--font-body);cursor:pointer;background:0 0;border-radius:999px;align-items:center;gap:.5rem;padding:0 1rem;display:inline-flex}.sg-toc__toggle span{border-bottom:1.5px solid;border-right:1.5px solid;width:7px;height:7px;transition:transform .2s;transform:translateY(-2px)rotate(45deg)}.sg-toc.is-open .sg-toc__toggle span{transform:translateY(2px)rotate(-135deg)}.sg-toc__body{border-top:1px solid var(--hairline);margin-top:.75rem;padding-top:.75rem;display:none}.sg-toc.is-open .sg-toc__body{display:block}.sg-toc__actions{flex-direction:row;justify-content:space-between;align-items:center}}@media (width<=820px){.sg-intro,.sg-audit,.sg-grid-2,.sg-bounce,.sg-form,.sg-error-form,.sg-mindmap__controls,.sg-plan{grid-template-columns:minmax(0,1fr)}.sg-bounce__step{margin-top:.6rem}.sg-intro__img{object-fit:cover;max-height:340px}}@media (width<=600px){.sg-section-wrap{padding-top:1.5rem}.sg-section-wrap>.container{padding-left:16px;padding-right:16px}.sg-app{--sg-pad:1.25rem;--sg-radius:16px}.sg-stagebar{box-shadow:none;gap:.15rem;margin-bottom:.6rem;padding:.25rem;position:static}.sg-stagebar__tab{min-height:40px;padding:0 .2rem}.sg-stagebar__name{letter-spacing:.01em;font-size:.8rem;font-weight:600}.sg-stagebar__tab.is-active .sg-stagebar__name{font-weight:700}.sg-stagebar__band,.sg-stagebar .sg-chip{display:none}.sg-stagebar__tab.is-mine:after{content:"";background:var(--tsa-gold);border-radius:50%;width:6px;height:6px;position:absolute;top:6px;right:7px}.sg-stagemeta{color:var(--muted);text-align:center;flex-wrap:wrap;justify-content:center;align-items:center;gap:.35rem .55rem;margin:0 0 1.1rem;font-size:.8rem;display:flex}.sg-stagemeta .sg-chip{position:static}.sg-banner{border-radius:12px;margin-bottom:1.1rem;padding:.8rem 1rem;font-size:.88rem;line-height:1.55}.sg-banner span{flex-basis:100%}.sg-toc{border-radius:14px}.sg-card{margin-bottom:1rem;box-shadow:0 1px 2px #1e1e2e0a}.sg-card h2{font-size:1.55rem;line-height:1.22}.sg-lead{font-size:1rem;line-height:1.65}.sg-eyebrow{letter-spacing:.14em;font-size:.66rem;line-height:1.6}.sg-h3{margin:1.6rem 0 .75rem;font-size:1.15rem}.sg-intro{gap:1.1rem}.sg-intro__facts{grid-template-columns:minmax(0,1fr);gap:.4rem}.sg-intro__facts li{padding:.6rem .8rem}.sg-chapter__hero img{max-height:220px}.sg-chapter__hero{margin-bottom:0}.sg-chapter__label{padding:.9rem var(--sg-pad) 0;gap:.4rem;position:static}.sg-chapter .sg-eyebrow{margin-top:1rem}.sg-chapter__num{padding:.35rem .8rem;font-size:.82rem}.sg-chapter__ep{padding:.3rem .7rem;font-size:.74rem}.sg-grid-2{gap:.75rem;margin-top:1.1rem}.sg-callout{border:0;border-radius:12px;padding:.95rem 1rem}.sg-callout p{font-size:.93rem}.sg-steps span{font-size:.92rem}.sg-steps li{grid-template-columns:30px 1fr;column-gap:.75rem}.sg-steps li:before{width:30px;height:30px;font-size:.85rem}.sg-mission{padding:.95rem 1rem}.sg-tool{border:0;border-top:1px solid var(--hairline);background:0 0;border-radius:0;margin-top:1.5rem;padding:1.25rem 0 0}.sg-tool__head{gap:.6rem;margin-bottom:.85rem}.sg-tool__head h3{font-size:1.1rem}.sg-panel{background:var(--surface-2);border:0;border-radius:12px;padding:1rem}.sg-grid-2--tool{gap:.75rem}.sg-diag{gap:.55rem}.sg-diag__row{background:var(--surface-2);border-radius:12px;grid-template-columns:minmax(0,1fr);gap:0;overflow:hidden}.sg-diag__opt{background:0 0;border:0;border-left:3px solid #0000;border-radius:0;min-height:48px;padding:.7rem .9rem;font-size:.9rem}.sg-diag__opt+.sg-diag__opt{border-top:1px solid var(--hairline)}.sg-diag__opt.is-trying{border-left-color:var(--tsa-gold);background:color-mix(in srgb, var(--gold-soft) 24%, transparent)}.sg-diag__opt.is-training{border-left-color:var(--accent);background:var(--paper-tint)}.sg-slider{padding:.75rem .9rem}.sg-radar__label{font-size:16px}.sg-timer__modes{gap:.3rem}.sg-timer__modes button{white-space:nowrap;padding:.4rem .7rem;font-size:.8rem}.sg-cornell__grid{grid-template-columns:minmax(0,1fr);grid-template-areas:"cues""notes""sum"}.sg-cornell__cues{border-right:0;border-bottom:2px solid var(--text)}.sg-cornell__grid textarea{min-height:150px}.sg-cornell__top{gap:0 1rem}.sg-cornell__top .sg-switch{margin-top:-.25rem}.sg-bounce__step{background:var(--surface-2);border:0;margin-top:1.1rem;padding-top:1.6rem}.sg-yetlog li:not(.sg-empty){background:var(--surface-2);border-top:0;border-bottom:0;border-right:0}.sg-bars__row{grid-template-columns:92px 1fr 22px}.sg-table{min-width:0}.sg-table thead{clip:rect(0 0 0 0);width:1px;height:1px;position:absolute;overflow:hidden}.sg-table,.sg-table tbody,.sg-table tr,.sg-table td{display:block}.sg-table tr{background:var(--surface);border-radius:12px;margin-bottom:.5rem;padding:.7rem 2.6rem .7rem .9rem;position:relative}.sg-table td{border:0;padding:.15rem 0}.sg-table td[data-label]:before{content:attr(data-label) " · ";letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-size:.7rem;font-weight:800}.sg-table td:first-child{color:var(--text);font-weight:700}.sg-table .sg-table__x{padding:0;position:absolute;top:.45rem;right:.4rem}.sg-picker__grid{grid-template-columns:minmax(0,1fr);gap:.7rem}.sg-picker .sg-lead{margin-bottom:1.4rem}.sg-stage-card{border-width:1px;grid-template-rows:1fr auto auto 1fr;grid-template-columns:104px minmax(0,1fr);column-gap:1rem;min-height:104px;padding:0 1rem 0 0;display:grid}.sg-stage-card img{aspect-ratio:auto;grid-row:1/-1;width:104px;height:100%;margin:0}.sg-stage-card__name{grid-row:2;padding:0;font-size:1.2rem}.sg-stage-card__band{grid-row:3;padding:0;font-size:.86rem}.sg-stage-card__theme{grid-row:4;align-self:start;padding:0;font-size:.8rem}.sg-chapter__foot .sg-btn,.sg-lock__actions .sg-btn{flex:auto}}@media (prefers-reduced-motion:reduce){.sg-app *,.sg-app :before{transition:none!important;animation:none!important}}@media print{@page{size:Letter;margin:.6in}body>:not(main):not(.sg-section-wrap),main>:not(.sg-section-wrap),.sg-stagebar,.sg-stagemeta,.sg-banner,.sg-toc,.sg-chapter__foot,.sg-timer,.sg-x,.sg-btn,.sg-switch,.sg-inline-form,.sg-lock__actions,.sg-finish__actions,.sg-drill__bar,.sg-confidence,.sg-banner-img{display:none!important}body,.sg-section-wrap,.sg-app{background:var(--tsa-white)!important;color:var(--tsa-charcoal)!important}.sg-section-wrap{padding:0!important}.sg-layout{display:block}.sg-card{box-shadow:none;break-inside:auto;border:0;margin:0 0 .4in;padding:0}.sg-chapter,#sg-audit,#sg-plan,#sg-finish{break-before:page}.sg-chapter__hero{margin:0 0 .25in}.sg-chapter__hero img{border-radius:10px;max-height:2.6in}.sg-chapter__label{margin-top:.12in;position:static}.sg-tool,.sg-panel,.sg-callout,.sg-slider,.sg-bounce__step{background:var(--tsa-white)!important}.sg-callout,.sg-slider,.sg-bounce__step,.sg-diag__row,.sg-steps li,.sg-mission{break-inside:avoid}.sg-app input,.sg-app textarea,.sg-app select{border:1px solid var(--tsa-gray)!important;background:var(--tsa-white)!important}.sg-app textarea{min-height:1.4in}.sg-cornell.is-quiz .sg-cornell__notes textarea{-webkit-user-select:auto;user-select:auto;filter:none!important}.sg-intro__img{object-fit:cover;max-height:3in}a{text-decoration:none;color:var(--tsa-emerald-dark)!important}}