.mock-shell{--ink:#1a1a1a;--ink-soft:#444a52;--muted:#6b6b6b;--line:#d4d7dc;--line-strong:#b8bcc4;--bg:#fff;--bar-bg:#e9edf3;--hover:#f2f4f7;--blue:#1e4fd8;--blue-dark:#163ba8;--blue-soft:#eef2ff;--navy:#142c66;--yellow:#ffcf3f;--danger:#c0392b;--success:#0a7a5a;color:var(--ink);background:#f6f8fb;min-height:100vh;font-family:Instrument Sans,system-ui,-apple-system,Segoe UI,sans-serif}@keyframes mock-screen-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}@keyframes mock-card-in{0%{opacity:0;transform:translateY(10px)scale(.985)}to{opacity:1;transform:translateY(0)scale(1)}}@keyframes mock-choice-pop{0%{transform:scale(1)}50%{transform:scale(1.015)}to{transform:scale(1)}}@media (prefers-reduced-motion:reduce){@keyframes mock-screen-in{0%,to{opacity:1;transform:none}}@keyframes mock-card-in{0%,to{opacity:1;transform:none}}@keyframes mock-choice-pop{0%,to{transform:none}}}.mock-page{background:#f6f8fb;flex-direction:column;min-height:100vh;animation:.32s cubic-bezier(.22,1,.36,1) both mock-screen-in;display:flex}.mock-page-body{flex-direction:column;flex:1;align-items:center;padding:48px 24px 96px;display:flex}.mock-page h1.mock-page-title{color:var(--ink);text-align:center;margin:0 0 32px;font-family:Instrument Sans,system-ui,sans-serif;font-size:32px;font-weight:500}.mock-card{background:#fff;border-radius:10px;width:min(680px,100%);padding:40px 44px;animation:.38s cubic-bezier(.22,1,.36,1) 80ms both mock-card-in;box-shadow:0 1px 3px #0000000f,0 4px 12px #0000000a}.mock-page-footer{border-top:1px solid var(--line);background:#fff;justify-content:flex-end;gap:12px;padding:14px 32px;display:flex}.mock-btn{cursor:pointer;will-change:transform;border:none;border-radius:999px;min-width:110px;padding:12px 34px;font-size:16px;font-weight:700;transition:background .18s cubic-bezier(.22,1,.36,1),transform .18s cubic-bezier(.22,1,.36,1),box-shadow .18s cubic-bezier(.22,1,.36,1),opacity .18s cubic-bezier(.22,1,.36,1)}.mock-btn:not(:disabled):hover{transform:translateY(-1px)}.mock-btn:not(:disabled):active{transform:translateY(0)}.mock-btn-primary{color:#fff;background:#1a4fce;box-shadow:0 4px 14px #1a4fce47}.mock-btn-primary:hover{background:#0f3fb8;box-shadow:0 6px 18px #1a4fce61}.mock-btn-primary:disabled{cursor:not-allowed;box-shadow:none;background:#b7c3e6}.mock-btn-ghost{color:var(--ink);background:#dfe3ea}.mock-btn-ghost:hover{background:#cbd0d9}.mock-btn-yellow{color:var(--ink);cursor:pointer;background:#ffce38;border:none;border-radius:999px;padding:10px 28px;font-weight:700}.mock-field{margin-bottom:24px}.mock-field:last-child{margin-bottom:0}.mock-field-label{color:var(--ink);justify-content:space-between;align-items:baseline;margin-bottom:8px;font-size:17px;font-weight:700;display:flex}.mock-field-note{color:var(--muted);font-size:13px;font-weight:500}.mock-required{color:var(--danger);font-weight:700}.mock-select{appearance:none;border:1.5px solid var(--line-strong);width:100%;color:var(--ink);cursor:pointer;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%231a1a1a' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E") right 18px center no-repeat;border-radius:8px;padding:14px 44px 14px 18px;font-family:inherit;font-size:16px}.mock-select:focus{outline:2px solid var(--blue);outline-offset:1px}.mock-toggle-row{align-items:center;gap:14px;padding:6px 0;display:flex}.mock-toggle-row label{color:var(--ink);cursor:pointer;-webkit-user-select:none;user-select:none;font-size:15px}.mock-toggle{cursor:pointer;background:#cbd0d9;border:none;border-radius:999px;width:46px;height:24px;padding:0;transition:background .15s;position:relative}.mock-toggle:after{content:"";background:#fff;border-radius:50%;width:20px;height:20px;transition:transform .18s;position:absolute;top:2px;left:2px;box-shadow:0 1px 2px #0003}.mock-toggle[aria-pressed=true]{background:#1a4fce}.mock-toggle[aria-pressed=true]:after{transform:translate(22px)}.mock-pdf-note{color:var(--muted);margin-top:22px;font-size:13px}.mock-pdf-note a{color:var(--blue);text-decoration:underline}.mock-prep-illustration{justify-content:center;align-items:flex-end;gap:20px;min-height:180px;margin-bottom:32px;display:flex}.mock-prep-hourglass{width:120px;height:160px}.mock-prep-clouds{align-self:center;width:160px;height:100px}.mock-prep-text{text-align:center;color:var(--ink);max-width:460px;margin:24px auto 0;font-size:18px;line-height:1.6}.mock-intro-list{flex-direction:column;gap:28px;display:flex}.mock-intro-item{grid-template-columns:46px 1fr;align-items:flex-start;gap:20px;display:grid}.mock-intro-item .icon{width:46px;height:46px;color:var(--ink);background:#eef1f5;border-radius:50%;justify-content:center;align-items:center;display:flex}.mock-intro-item h3{margin:0 0 4px;font-size:20px;font-weight:700}.mock-intro-item p{color:var(--ink-soft);margin:0;font-size:15px;line-height:1.55}.mock-runner{background:#fff;flex-direction:column;height:100vh;animation:.28s cubic-bezier(.22,1,.36,1) both mock-screen-in;display:flex;overflow:hidden}.mock-topbar{background:var(--bar-bg);border-bottom:1px dashed var(--line-strong);z-index:3;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;padding:12px 28px;display:grid;position:relative}.mock-topbar-left h1{color:var(--ink);margin:0;font-size:22px;font-weight:700;line-height:1.1}.mock-topbar-left .directions-btn{color:var(--ink);cursor:pointer;background:0 0;border:none;align-items:center;gap:4px;margin-top:4px;padding:2px 0;font-family:inherit;font-size:15px;display:inline-flex}.mock-topbar-left .directions-btn svg{width:12px;height:12px}.mock-topbar-timer{text-align:center;flex-direction:column;align-items:center;gap:4px;display:flex}.mock-timer-value{font-variant-numeric:tabular-nums;letter-spacing:.5px;color:var(--ink);font-size:26px;font-weight:700}.mock-timer-value.warning{color:#d97706}.mock-timer-value.danger{color:var(--danger)}.mock-timer-value.hidden{visibility:hidden}.mock-timer-hide{border:1.5px solid var(--ink);cursor:pointer;color:var(--ink);background:#fff;border-radius:999px;padding:3px 20px;font-family:inherit;font-size:13px;font-weight:600}.mock-topbar-right{justify-content:flex-end;align-items:center;gap:24px;display:flex}.mock-topbar-right .tool{color:var(--ink);cursor:pointer;background:0 0;border:none;flex-direction:column;align-items:center;gap:2px;padding:4px 6px;font-family:inherit;font-size:13px;font-weight:500;display:flex}.mock-topbar-right .tool svg{width:22px;height:22px}.mock-topbar-right .tool.hlnotes .icons{align-items:center;gap:4px;display:flex}.mock-practice-banner{background:var(--navy);color:#fff;letter-spacing:.15em;text-align:center;z-index:2;padding:8px 12px;font-size:14px;font-weight:700;position:relative}.mock-body{flex:1;grid-template-columns:1fr 1fr;display:grid;position:relative;overflow:hidden}.mock-panel{color:var(--ink);padding:32px 40px 40px;font-size:17px;line-height:1.7;overflow-y:auto}.mock-panel.passage{border-right:1px dashed var(--line-strong)}.mock-passage-text{white-space:pre-wrap;max-width:620px}.mock-splitter{border:1px solid var(--line-strong);width:22px;height:44px;color:var(--ink);cursor:col-resize;z-index:4;-webkit-user-select:none;user-select:none;background:#fff;border-radius:6px;justify-content:center;align-items:center;display:flex;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.mock-splitter svg{width:14px;height:14px}.mock-qheader{border-bottom:1px dashed var(--line-strong);align-items:center;gap:14px;margin-bottom:18px;padding-bottom:8px;display:flex}.mock-qnumber{background:var(--ink);color:#fff;text-align:center;border-radius:4px;min-width:32px;padding:4px 10px;font-size:15px;font-weight:700}.mock-qmark{color:var(--ink);cursor:pointer;background:0 0;border:none;align-items:center;gap:6px;padding:4px 8px;font-family:inherit;font-size:15px;display:inline-flex}.mock-qmark svg{width:14px;height:18px}.mock-qmark.is-marked{color:var(--danger);font-weight:600}.mock-qmark.is-marked svg{fill:var(--danger);stroke:var(--danger)}.mock-abc{border:1.5px solid var(--ink);cursor:pointer;background:#fff;border-radius:6px;margin-left:auto;padding:4px 12px;font-family:inherit;font-size:13px;font-weight:700;position:relative}.mock-abc[aria-pressed=true]{background:var(--ink);color:#fff}.mock-abc[aria-pressed=true]:after{content:"";background:currentColor;height:2px;position:absolute;top:50%;left:6px;right:6px}.mock-qprompt{color:var(--ink);margin:0 0 20px;font-size:17px;line-height:1.55}.mock-choices{flex-direction:column;gap:12px;display:flex}.mock-choice-row{grid-template-columns:1fr 34px;align-items:center;gap:12px;display:grid}.mock-choice{border:1.5px solid var(--line-strong);cursor:pointer;background:#fff;border-radius:10px;align-items:center;gap:14px;padding:14px 18px;font-size:16px;line-height:1.4;transition:border-color .18s,background .18s,box-shadow .18s,transform .18s;display:flex;position:relative}.mock-choice:hover{border-color:var(--ink);background:#fafafa;transform:translateY(-1px);box-shadow:0 2px 8px #0f17200d}.mock-choice.is-selected{animation:.26s ease-out mock-choice-pop}.mock-choice input[type=radio]{opacity:0;pointer-events:none;position:absolute}.mock-choice-letter{border:1.5px solid var(--ink);background:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:30px;height:30px;font-family:inherit;font-size:15px;font-weight:700;display:inline-flex}.mock-choice.is-selected{border-color:var(--blue);background:var(--blue-soft)}.mock-choice.is-selected .mock-choice-letter{background:var(--blue);color:#fff;border-color:var(--blue)}.mock-choice.eliminated .mock-choice-text{text-decoration:line-through;-webkit-text-decoration-color:var(--ink);text-decoration-color:var(--ink);opacity:.55}.mock-choice-text{flex:1}.mock-choice-elim{border:1.5px dashed var(--ink);width:30px;height:30px;color:var(--ink);cursor:pointer;background:#fff;border-radius:50%;justify-content:center;align-items:center;padding:0;font-family:inherit;font-weight:700;display:none;position:relative}.mock-choice-elim .letter{font-size:13px}.mock-choice-elim:after{content:"";background:var(--ink);height:1.5px;display:none;position:absolute;top:50%;left:4px;right:4px}.mock-choice-elim.is-active:after{display:block}.mock-runner.crossout-mode .mock-choice-elim{display:inline-flex}.mock-grid-wrap{max-width:460px;padding:20px 0 8px}.mock-grid-label{color:var(--ink);text-transform:uppercase;letter-spacing:.08em;margin-bottom:10px;font-size:14px;font-weight:700;display:block}.mock-grid-input{width:100%;color:var(--ink);border:1.5px solid var(--line-strong);font-variant-numeric:tabular-nums;letter-spacing:.02em;background:#fff;border-radius:10px;padding:16px 20px;font-family:JetBrains Mono,ui-monospace,SFMono-Regular,Menlo,monospace;font-size:22px;font-weight:600}.mock-grid-input:focus{border-color:var(--blue);outline:none;box-shadow:0 0 0 3px #1e4fd826}.mock-grid-hint{color:var(--muted);margin:10px 0 0;font-size:13px}.mock-grid-hint code{background:var(--hover);border-radius:4px;padding:1px 6px;font-size:12.5px}.mock-composite{border:1px solid var(--line);text-align:center;background:#fff;border-radius:18px;min-width:260px;margin:4px 0 24px;padding:26px 40px;box-shadow:0 10px 30px #0f17200f}.mock-composite-num{color:#1a4fce;font-variant-numeric:tabular-nums;font-size:56px;font-weight:800;line-height:1}.mock-composite-lbl{color:var(--muted);text-transform:uppercase;letter-spacing:.1em;margin-top:8px;font-size:13px;font-weight:600}.mock-composite-note{color:var(--muted);margin-top:4px;font-size:12px}.mock-score-grid{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;width:100%;max-width:520px;margin-bottom:20px;display:grid}.mock-score-card{border:1px solid var(--line);text-align:center;background:#fff;border-radius:12px;padding:18px 20px}.mock-score-num{color:var(--ink);font-variant-numeric:tabular-nums;font-size:28px;font-weight:700}.mock-score-lbl{color:var(--ink);margin-top:2px;font-size:13px;font-weight:600}.mock-score-sub{color:var(--muted);margin-top:4px;font-size:12px}.mock-bottombar{background:var(--bar-bg);border-top:1px dashed var(--line-strong);z-index:3;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;padding:12px 28px;display:grid;position:relative}.mock-student-name{color:var(--ink);font-size:15px;font-weight:500}.mock-qjump{background:var(--ink);color:#fff;cursor:pointer;border:none;border-radius:6px;align-items:center;gap:10px;padding:8px 20px;font-family:inherit;font-size:15px;font-weight:600;display:inline-flex}.mock-qjump svg{width:12px;height:12px}.mock-nav{justify-content:flex-end;gap:10px;display:flex}.mock-nav .mock-btn{min-width:90px;padding:10px 24px;font-size:15px}.mock-directions-popup{border:1px solid var(--line-strong);z-index:8;background:#fff;border-radius:8px;max-width:900px;padding:28px 32px;display:none;position:absolute;top:calc(100% + 8px);left:20px;right:20px;box-shadow:0 10px 40px #0000001f}.mock-directions-popup[data-open=true]{display:block}.mock-directions-popup:before{content:"";border-top:1px solid var(--line-strong);border-left:1px solid var(--line-strong);background:#fff;width:20px;height:20px;position:absolute;top:-10px;left:60px;transform:rotate(45deg)}.mock-directions-popup p{color:var(--ink);margin:0 0 14px;font-size:16px;line-height:1.6}.mock-directions-popup .close-row{justify-content:center;margin-top:16px;display:flex}.mock-more-menu{z-index:9;background:#fff;border-radius:12px;min-width:260px;padding:12px 0;display:none;position:absolute;top:calc(100% - 6px);right:16px;box-shadow:0 10px 30px #00000026}.mock-more-menu[data-open=true]{display:block}.mock-more-menu button{width:100%;color:var(--ink);cursor:pointer;text-align:left;background:0 0;border:none;align-items:center;gap:16px;padding:14px 22px;font-family:inherit;font-size:17px;display:flex}.mock-more-menu button:hover{background:var(--hover)}.mock-more-menu svg{width:22px;height:22px;color:var(--ink)}.mock-qgrid-popup{z-index:8;background:#fff;border-radius:14px;width:min(560px,96vw);padding:24px 28px;display:none;position:absolute;bottom:calc(100% + 12px);left:50%;transform:translate(-50%);box-shadow:0 20px 60px #0000002e}.mock-qgrid-popup[data-open=true]{display:block}.mock-qgrid-popup:after{content:"";border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff;width:20px;height:20px;position:absolute;bottom:-10px;left:50%;transform:translate(-50%)rotate(45deg)}.mock-qgrid-title{text-align:center;margin:0 0 16px;font-size:20px;font-weight:700}.mock-qgrid-close{color:var(--muted);cursor:pointer;background:0 0;border:none;font-size:22px;position:absolute;top:14px;right:16px}.mock-qgrid-legend{border-top:1px solid var(--line);border-bottom:1px solid var(--line);color:var(--ink);justify-content:center;gap:22px;margin-bottom:20px;padding:14px 0;font-size:14px;display:flex}.mock-qgrid-legend span{align-items:center;gap:6px;display:inline-flex}.mock-qgrid-legend .sw{border:1.5px dashed var(--ink);border-radius:3px;width:14px;height:14px;display:inline-block}.mock-qgrid-legend .sw.unanswered{background:#fff}.mock-qgrid-legend .sw.forreview{background:#fff;border-color:#c0392b}.mock-qgrid-legend .current-pin{color:var(--blue);font-size:16px}.mock-qgrid-grid{grid-template-columns:repeat(10,1fr);gap:10px;margin-bottom:20px;display:grid}.mock-qgrid-item{aspect-ratio:1;border:1.5px dashed var(--ink);color:var(--blue);cursor:pointer;background:#fff;border-radius:6px;justify-content:center;align-items:center;font-family:inherit;font-size:14px;font-weight:700;display:flex;position:relative}.mock-qgrid-item.answered{background:var(--blue);color:#fff;border-style:solid;border-color:var(--blue)}.mock-qgrid-item.current:before{content:"";border-left:6px solid #0000;border-right:6px solid #0000;border-top:6px solid var(--blue);width:0;height:0;position:absolute;top:-12px;left:50%;transform:translate(-50%)}.mock-qgrid-item.marked:after{content:"";background:var(--danger);border:2px solid #fff;border-radius:50%;width:10px;height:10px;position:absolute;top:-3px;right:-3px}.mock-qgrid-review{justify-content:center;display:flex}.mock-qgrid-review button{color:var(--blue);border:1.5px solid var(--blue);cursor:pointer;background:#fff;border-radius:999px;padding:10px 26px;font-family:inherit;font-size:15px;font-weight:700}.mock-qgrid-review button:hover{background:var(--blue-soft)}.mock-status-screen{text-align:center;background:#f6f8fb;flex-direction:column;justify-content:center;align-items:center;min-height:100vh;padding:60px 24px;animation:.38s cubic-bezier(.22,1,.36,1) both mock-screen-in;display:flex}.mock-status-screen h1{color:var(--ink);margin:0 0 16px;font-size:34px}.mock-status-screen p{color:var(--ink-soft);max-width:520px;margin:0 0 28px;font-size:17px;line-height:1.6}.mock-status-screen .mock-btn{padding:14px 40px;font-size:16px}.mock-break-timer{color:var(--ink);font-variant-numeric:tabular-nums;margin:12px 0 24px;font-size:64px;font-weight:700}.mock-modal-back{z-index:20;background:#0f152059;justify-content:center;align-items:center;padding:20px;display:none;position:fixed;inset:0}.mock-modal-back[data-open=true]{display:flex}.mock-modal{background:#fff;border-radius:14px;width:100%;max-width:480px;padding:30px 34px;box-shadow:0 24px 60px #00000038}.mock-modal h2{margin:0 0 12px;font-size:22px}.mock-modal p{color:var(--ink-soft);margin:0 0 22px;line-height:1.6}.mock-modal .actions{justify-content:flex-end;gap:12px;display:flex}.mock-lp-section{padding:80px 0}.mock-lp-card{border:1px solid var(--line,#e4e9ee);background:#fff;border-radius:22px;grid-template-columns:1.15fr 1fr;gap:0;max-width:1000px;margin:32px auto 0;display:grid;overflow:hidden;box-shadow:0 12px 40px #0f17200f}.mock-lp-copy{flex-direction:column;gap:14px;padding:44px 44px 40px;display:flex}.mock-lp-copy .eyebrow{color:var(--brand-green,#22986a);letter-spacing:.12em;text-transform:uppercase;font-size:13px;font-weight:700}.mock-lp-copy h2{margin:0;font-family:Instrument Serif,serif;font-size:40px;line-height:1.05}.mock-lp-copy p{color:var(--muted,#5b6673);margin:0;font-size:15.5px;line-height:1.6}.mock-lp-facts{color:var(--muted);flex-wrap:wrap;gap:10px 22px;margin-top:6px;font-size:13.5px;display:flex}.mock-lp-facts b{color:var(--ink);font-weight:700}.mock-lp-cta-row{flex-wrap:wrap;gap:12px;margin-top:12px;display:flex}.mock-lp-cta{color:#fff;cursor:pointer;background:#1a4fce;border:none;border-radius:999px;align-items:center;gap:10px;padding:14px 26px;font-size:15px;font-weight:700;text-decoration:none;display:inline-flex}.mock-lp-cta:hover{background:#0f3fb8}.mock-lp-cta.secondary{color:var(--ink);border:1.5px solid var(--line);background:0 0}.mock-lp-preview{background:linear-gradient(140deg,#f0f4ff 0%,#e6ecf7 100%);justify-content:center;align-items:center;min-height:320px;padding:32px;display:flex;position:relative}.mock-lp-preview-window{color:#1a1a1a;background:#fff;border-radius:12px;width:100%;max-width:380px;font-size:12px;overflow:hidden;box-shadow:0 14px 40px #142c662e}.mock-lp-preview-bar{background:#e9edf3;border-bottom:1px dashed #b8bcc4;justify-content:space-between;align-items:center;padding:8px 14px;display:flex}.mock-lp-preview-bar 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(width<=900px){.mock-body{grid-template-columns:1fr}.mock-panel.passage{border-right:none;border-bottom:1px dashed var(--line-strong)}.mock-splitter{display:none}.mock-topbar{text-align:center;grid-template-columns:1fr;gap:10px}.mock-topbar-right{justify-content:center}.mock-bottombar{grid-template-columns:1fr;gap:10px}.mock-nav{justify-content:center}.mock-lp-card{grid-template-columns:1fr}.mock-lp-copy{padding:30px 26px}.mock-lp-copy h2{font-size:30px}.mock-qgrid-grid{grid-template-columns:repeat(6,1fr)}}.mock-envcheck-lead{color:var(--ink-soft);margin:0 0 20px;font-size:15px;line-height:1.55}.mock-envcheck-grid{grid-template-columns:1fr;gap:12px;margin-bottom:16px;display:grid}.mock-envcheck-row{border:1px solid var(--line);background:#f6f8fb;border-radius:10px;grid-template-columns:44px 1fr auto;align-items:center;gap:14px;padding:14px 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