:root{color-scheme:light;--ink:#132d46;--muted:#4e6173;--blue:#1c558e;--teal:#116455;--line:#cfdae4;--paper:#fff;--canvas:#f2f6fa;--focus:#ac5100;font-family:Arial,Helvetica,sans-serif;font-size:16px;line-height:1.6;color:var(--ink);background:var(--canvas)}
*{box-sizing:border-box}body{margin:0}button,input,textarea{font:inherit}button,a,input,textarea{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:not-allowed}a{color:var(--blue);text-underline-offset:3px}a:hover{color:var(--teal)}:focus-visible{outline:3px solid var(--focus);outline-offset:4px}[hidden]{display:none!important}.shell{max-width:1120px;margin:0 auto;padding:32px 30px 24px}.skip-link{position:absolute;left:16px;top:-80px;background:#fff;padding:8px;z-index:2}.skip-link:focus{top:12px}.masthead{border-top:5px solid var(--ink);padding:17px 0 22px}.eyebrow{font-size:.875rem;letter-spacing:.075em;font-weight:700;text-transform:uppercase;margin:0 0 9px;display:flex;gap:16px;align-items:center;flex-wrap:wrap}.eyebrow span{border-left:1px solid #98acbd;padding-left:16px;color:var(--teal)}h1{font:700 clamp(2rem,5vw,3rem)/1.15 Georgia,serif;letter-spacing:-.025em;margin:0 0 11px}h1 span{color:var(--teal);font-style:italic;font-weight:400}.intro{max-width:740px;margin:0;color:var(--muted)}.section-nav{display:flex;border-bottom:1px solid var(--line);gap:10px;margin-bottom:25px}.section-nav button{background:transparent;color:var(--muted);border:0;border-bottom:3px solid transparent;padding:11px 15px;display:flex;align-items:center;gap:10px;font-size:.875rem;min-height:50px}.section-nav button>span:first-of-type{font-size:1rem;font-weight:700}.section-nav button[aria-current]{color:var(--ink);border-bottom-color:var(--teal);background:#e6f0f1}.tab-count{font-size:.875rem;font-weight:400}.practice-grid{display:grid;grid-template-columns:180px minmax(0,1fr);gap:30px}.rail{padding-top:4px}.rail h2{font-size:.875rem;text-transform:uppercase;letter-spacing:.09em;margin:0 0 8px}.progress-label{margin:0;font-size:1rem;font-weight:700}.score-label{font-size:.875rem;color:var(--muted);margin:2px 0 12px}progress{display:block;width:100%;height:7px;border:0;border-radius:8px;overflow:hidden;accent-color:var(--teal);background:#dce5eb}progress::-webkit-progress-bar{background:#dce5eb}progress::-webkit-progress-value{background:var(--teal)}progress::-moz-progress-bar{background:var(--teal)}.question-nav{display:grid;grid-template-columns:repeat(5,1fr);gap:6px;margin:20px 0 10px}.question-nav button{border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:4px;padding:6px 0;min-height:35px;position:relative;font-size:.875rem}.question-nav button.done{border-bottom:4px solid var(--teal);padding-bottom:3px}.question-nav button[aria-current]{background:var(--ink);color:#fff;border-color:var(--ink)}.rail-note{font-size:.875rem;color:var(--muted);margin-top:12px}.work-area{min-width:0}.sources{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:22px}.source{border-left:3px solid var(--blue);padding:13px 17px;background:#e7eff9;margin:0}.source.smith{border-color:var(--teal);background:#e4f1ee}.source blockquote{font:1.125rem/1.5 Georgia,serif;margin:0 0 8px}.source figcaption{font-size:.875rem;line-height:1.5;color:#354f64}.source figcaption strong{display:block;color:var(--ink)}.source-context{font-size:.875rem;color:var(--muted);margin:6px 0 16px}.question-card{background:var(--paper);border:1px solid var(--line);padding:27px;border-radius:8px}.question-meta{font-size:.875rem;text-transform:uppercase;letter-spacing:.08em;color:var(--blue);font-weight:700;margin:0 0 11px}.question-card h2{font:700 1.3rem/1.5 Georgia,serif;margin:0 0 22px}fieldset{padding:0;border:0;margin:0;min-width:0}.options{display:grid;gap:10px}.option{position:relative;display:flex;align-items:flex-start;gap:12px;padding:13px 15px;border:1px solid var(--line);border-radius:5px;cursor:pointer;background:#fff}.option:hover{border-color:#7394ad;background:#f7faff}.option:has(input:checked){background:#edf3fb;border-color:var(--blue);box-shadow:inset 0 0 0 1px var(--blue)}.option:has(input:focus-visible){outline:3px solid var(--focus);outline-offset:3px}.option:has(input:disabled){cursor:default}.option input{position:absolute;opacity:0;width:1px;height:1px}.choice-letter{flex:none;display:inline-flex;align-items:center;justify-content:center;width:29px;height:29px;border:1px solid #aabccc;border-radius:50%;font-size:.875rem;font-weight:700;line-height:1}.option:has(input:checked) .choice-letter{background:var(--blue);border-color:var(--blue);color:#fff}.option.correct{background:#e8f5f0!important;border-color:var(--teal)!important;box-shadow:none!important}.option.incorrect{background:#fff4ec!important;border-color:#a14c16!important;box-shadow:none!important}.option.correct .choice-letter{color:#fff;background:var(--teal);border-color:var(--teal)}.option.incorrect .choice-letter{background:#a14c16;border-color:#a14c16;color:#fff}.option-text{flex:1;min-width:0}.choice-status{display:block;font-size:.875rem;font-weight:700;color:var(--teal);margin-top:3px}.incorrect .choice-status{color:#974413}.actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:22px}.primary{border:1px solid var(--ink);background:var(--ink);color:#fff;border-radius:5px;padding:11px 20px;font-weight:700;min-height:48px}.primary:hover:not(:disabled){background:#24567c;border-color:#24567c}.primary:disabled{background:#d7e0e8;border-color:#d7e0e8;color:#4e6173}.secondary{border:1px solid #acbecc;border-radius:5px;background:#fff;color:var(--ink);padding:10px 16px;min-height:46px}.secondary:hover:not(:disabled){background:#eaf0f6}.secondary:disabled{opacity:.5}.button-note{font-size:.875rem;color:var(--muted)}.feedback{padding:20px;margin-top:22px;background:#edf6f2;border-left:4px solid var(--teal);border-radius:0 5px 5px 0}.feedback.review{background:#fff5eb;border-color:#a14c16}.feedback h3{font-size:1.125rem;line-height:1.4;margin:0 0 10px}.feedback p{margin:8px 0 0}.feedback .why-other{padding-top:12px;margin-top:12px;border-top:1px solid #d9cbbd}.navigation{display:flex;justify-content:space-between;gap:12px;margin-top:20px}.navigation .primary{margin-left:auto}.completion{border:1px solid #92b9ac;background:#e5f3ed;padding:20px;margin-top:20px;border-radius:6px}.completion h3{margin:0 0 8px}.completion p{margin:4px 0 16px}.frq-heading{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:16px}.frq-heading h2{font:700 1.7rem/1.3 Georgia,serif;margin:0}.frq-heading p{font-size:.875rem;margin:0;color:var(--muted)}.scenario{border-left:4px solid var(--blue);padding:19px 22px;background:#e7eff9}.scenario .eyebrow{margin-bottom:9px}.scenario p{margin:0 0 12px}.scenario p:last-child{margin:0}.frq-instructions{margin:20px 0}.frq-part{margin-bottom:24px}.part-header{display:flex;align-items:baseline;gap:12px;margin-bottom:10px}.part-letter{display:inline-flex;justify-content:center;align-items:center;flex:none;background:var(--ink);color:white;width:30px;height:30px;border-radius:4px;font-weight:700}.part-header label{font-weight:700}.frq-part textarea{resize:vertical;width:100%;min-height:150px;background:#fff;border:1px solid #9bb0c1;border-radius:5px;color:var(--ink);padding:14px;line-height:1.6}.frq-part textarea:read-only{background:#f4f7fa}.entry-status{font-size:.875rem;color:var(--muted);margin:12px 0}.error{color:#9b351c}.frq-results{border-top:3px solid var(--teal);margin-top:30px;padding-top:20px}.frq-results h2{font:700 1.6rem/1.35 Georgia,serif;margin:0 0 10px}.sample-part{background:#fff;border:1px solid var(--line);padding:21px;margin:18px 0;border-radius:6px}.sample-part h3{margin:0 0 8px;font-size:1.125rem}.sample-part p{margin:8px 0}.rubric{color:var(--teal);font-weight:700}.guidance{padding-top:12px;border-top:1px solid var(--line);color:var(--muted)}footer{border-top:1px solid var(--line);margin-top:35px;padding-top:17px;color:var(--muted);font-size:.875rem}footer p{margin:0 0 12px}footer summary{cursor:pointer;font-weight:700;color:var(--ink);width:fit-content}footer details[open] summary{margin-bottom:12px}footer li{margin:6px 0}footer details p{max-width:880px}main:focus{outline:none}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
@media(max-width:820px){.shell{padding:20px}.practice-grid{grid-template-columns:1fr;gap:18px}.rail{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}.rail h2{display:none}.rail .question-nav{grid-row:1/4;grid-column:2;margin:0}.rail .rail-note{display:none}.score-label{margin-bottom:7px}.question-nav button{min-height:34px}.question-card{padding:22px}.tab-count{display:none}.section-nav{gap:0}.section-nav button{padding:10px 12px}.section-nav button>span:first-of-type{font-size:.9375rem}.sources{margin-bottom:18px}}
@media(max-width:480px){.shell{padding:15px 12px}.eyebrow{font-size:.75rem;gap:10px}.eyebrow span{padding-left:10px}.masthead{padding-top:14px}.sources{grid-template-columns:1fr;gap:9px}.source{padding:11px 14px}.source blockquote{font-size:1.0625rem;margin-bottom:4px}.source figcaption strong{display:inline;margin-right:4px}.rail{gap:0 12px}.question-card{padding:17px}.question-card h2{font-size:1.1875rem}.option{padding:12px;gap:10px}.section-nav button{font-size:.75rem;gap:6px;padding:10px 8px}.section-nav button>span:first-of-type{font-size:.875rem}.scenario{padding:16px}.navigation button{padding-left:12px;padding-right:12px}.feedback{padding:16px}.sample-part{padding:17px}.part-header{align-items:flex-start}.part-header label{font-size:1rem}}
@media(prefers-reduced-motion:no-preference){button,.option{transition:background-color .15s,border-color .15s}}
@media print{.section-nav,.rail,.actions,.navigation,footer,.skip-link{display:none}.shell{max-width:none;padding:0}.practice-grid{display:block}body{background:#fff}.question-card,.sample-part{break-inside:avoid}.frq-part textarea{min-height:100px}}