:root{color-scheme:light;--ink:#172943;--muted:#52657e;--blue:#2359db;--navy:#11233f;--line:#dce3ed;--bg:#f3f6fb;--green:#13795b;--red:#b4363d;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:16px}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);line-height:1.6}button,input,select{font:inherit}button,a,input,select{outline-offset:4px}button{cursor:pointer;color:inherit;touch-action:manipulation;min-height:44px}button:disabled{cursor:not-allowed;opacity:.5}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,[tabindex]:focus-visible{outline:3px solid #6d98ff}h1,h2,h3,p{margin:0}h1{font-size:2rem;letter-spacing:-.045em;line-height:1.25}h2{font-size:1.4rem;letter-spacing:-.025em}h3{font-size:1.05rem}[hidden]{display:none!important}.muted{color:var(--muted)}.row{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}.small-label{font-size:.875rem}.no-margin{margin:0!important}
.app-header{min-height:88px;display:flex;align-items:center;justify-content:space-between;padding:12px 4vw;background:var(--navy);color:white;gap:24px}.brand{display:flex;gap:12px;align-items:center;color:white;text-decoration:none!important}.brand b{display:block;font-size:1.15rem}.brand small{display:block;font-size:.75rem;letter-spacing:.14em;color:#b3c6e3}.brand-symbol{width:42px;height:42px;border-radius:12px;background:#3872ff;display:flex;align-items:center;justify-content:center;font-size:1.6rem;font-weight:800;line-height:1}.brand-symbol span{font-size:.85rem;align-self:flex-start;margin-top:8px}.app-header nav{display:flex;gap:24px;align-items:stretch}.nav-link{background:none;border:0;border-bottom:3px solid transparent;color:#bbcae0;font-size:.9375rem;padding:10px 4px}.nav-link.active{color:white;border-color:#74a1ff}.back-video{font-size:.875rem;color:#bdcce0;min-height:44px;display:flex;align-items:center}.workspace{max-width:1320px;padding:36px 40px 60px;margin:auto}.page-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;gap:20px;flex-wrap:wrap}.eyebrow{font-size:.75rem;font-weight:700;letter-spacing:.14em;color:var(--blue);margin-bottom:9px}.subheading{font-size:1rem;color:var(--muted);margin-top:9px}.chip{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border:1px solid var(--line);border-radius:20px;font-size:.875rem;background:white;color:var(--muted)}.chip i,.save-dot{width:7px;height:7px;background:#24a17a;border-radius:100%;display:inline-block}.practice-layout{display:grid;grid-template-columns:minmax(0,1fr) 390px;gap:28px;align-items:start}.panel{background:white;border:1px solid var(--line);border-radius:16px}.library-panel{overflow:hidden}.panel-heading{display:flex;justify-content:space-between;padding:20px 24px;border-bottom:1px solid var(--line);align-items:center;gap:12px;flex-wrap:wrap}.count{font-size:.875rem;color:var(--muted)}.test-list{padding:10px}.test-row{display:flex;width:100%;align-items:center;gap:16px;text-align:left;background:white;border:1px solid transparent;border-radius:10px;padding:16px 14px;margin:3px 0}.test-row.selected{border-color:#93b3ff;background:#f0f5ff}.test-number{height:46px;width:46px;flex-shrink:0;display:grid;place-items:center;background:#f0f3f9;border-radius:10px;color:#5e7594;font-weight:600;font-variant-numeric:tabular-nums;font-size:1.2rem}.selected .test-number{color:white;background:var(--blue)}.test-info{flex:1;min-width:0}.test-info strong{display:block;font-size:1rem}.test-info small{display:block;font-size:.875rem;color:var(--muted);margin-top:3px}.test-status{font-size:.875rem;color:var(--muted)}.radio-dot{border:1.5px solid #b1bfd1;border-radius:100%;height:18px;width:18px;flex-shrink:0}.selected .radio-dot{border:5px solid var(--blue)}.setup-panel{padding:26px;position:sticky;top:24px}.setup-kicker{font-size:.75rem;color:var(--blue);font-weight:700;letter-spacing:.08em;margin-bottom:18px}.test-select-label{display:block;font-size:.875rem;color:var(--muted);margin-bottom:6px}#test-select{width:100%;padding:12px 10px;border:1px solid #b7c7df;border-radius:8px;background:white;color:var(--ink);font-size:1rem;margin-bottom:10px}.mode-options{margin:22px 0 18px;display:grid;gap:10px}.mode-option{display:block;border:1px solid var(--line);border-radius:10px;padding:14px;cursor:pointer}.mode-option.chosen{border-color:var(--blue);background:#f4f7ff}.mode-option strong{font-size:1rem}.mode-option small{display:block;margin-left:23px;margin-top:4px;color:var(--muted);font-size:.875rem}.mode-option input{accent-color:var(--blue);margin:0 6px 0 0}.module-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:12px 0;margin:20px 0;display:grid;gap:8px;font-size:.875rem}.module-strip div{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}.module-strip span{color:var(--muted)}.button{display:inline-flex;justify-content:center;align-items:center;gap:7px;min-height:44px;padding:10px 16px;border:1px solid var(--line);border-radius:8px;font-size:.9375rem;font-weight:600;text-decoration:none!important;line-height:1.35}.button.primary{background:var(--blue);border-color:var(--blue);color:white}.button.secondary{background:white;color:var(--ink)}.button.ghost{background:transparent;border-color:transparent;color:var(--muted)}.button.wide{width:100%}.start-button{margin-top:20px}.form-line{display:flex;gap:10px;align-items:flex-start;font-size:.9375rem;min-height:44px}.form-line input{accent-color:var(--blue);width:20px;height:20px;margin-top:3px;flex-shrink:0}.note{font-size:.875rem;color:var(--muted);line-height:1.65;margin-top:15px}.resource-links{display:flex;gap:10px 16px;font-size:.875rem;margin-top:18px;flex-wrap:wrap;align-items:center}.resource-links a{display:inline-flex;align-items:center;min-height:44px}.info-bar{border-left:3px solid #91afea;padding:4px 0 4px 16px;font-size:.9375rem;color:var(--muted);margin-top:24px}.continue-banner{background:#e9f0ff;border:1px solid #bfd0f5;border-radius:12px;padding:18px 22px;display:flex;align-items:center;gap:16px;margin-bottom:24px;justify-content:space-between}.continue-banner p{font-size:.875rem;color:var(--muted)}.footer-note{font-size:.875rem;color:var(--muted);margin-top:28px}.loading,.empty{padding:60px 24px;text-align:center;color:var(--muted)}.empty h2{color:var(--ink);margin-bottom:10px}.empty .button{margin-top:20px}.error-box{background:#fff1f1;border:1px solid #f2c8cb;border-radius:10px;padding:18px;color:var(--red)}.toolbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:22px 0}.year-button{border:1px solid var(--line);background:white;border-radius:7px;padding:8px 14px;font-size:.875rem}.year-button.active{color:white;background:var(--navy);border-color:var(--navy)}.archive-list{display:grid;gap:12px}.archive-item{background:white;border:1px solid var(--line);border-radius:10px;padding:20px 24px;display:flex;justify-content:space-between;gap:20px;align-items:center}.archive-item small{display:block;font-size:.875rem;color:var(--muted);margin-top:6px}.section-heading{margin-bottom:16px}.materials-section{margin-top:30px}
/* Exam: flexible height, independently scrollable reading and answer panels. */
.testing .app-header{display:none}.exam-shell{height:100vh;height:100dvh;display:flex;flex-direction:column;overflow:hidden;background:white}.exam-header{background:white;border-bottom:1px solid var(--line);padding:12px max(20px,env(safe-area-inset-right)) 12px max(20px,env(safe-area-inset-left));display:flex;justify-content:space-between;align-items:center;gap:16px;flex-shrink:0}.exam-heading{min-width:0}.exam-heading strong{display:block;font-size:1rem}.exam-heading small{font-size:.875rem;color:var(--muted)}.timer-block{text-align:center;min-width:108px;flex-shrink:0}.timer{font-size:1.5rem;font-weight:700;font-variant-numeric:tabular-nums;line-height:1.25}.timer.low{color:var(--red)}.timer-block button{font-size:.875rem;background:none;border:0;color:var(--muted);padding:6px}.exam-tools{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.exam-tools .button{font-size:.875rem;padding:8px 12px}.module-progress{height:4px;display:flex;gap:3px;background:white;flex-shrink:0}.module-progress span{flex:1;background:#dee5f0}.module-progress span.done{background:#82a6f5}.module-progress span.current{background:var(--blue)}.exam-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;flex:1;min-height:0;overflow:hidden}.pdf-pane{background:#eaf0f7;display:flex;flex-direction:column;min-width:0;min-height:0;padding:12px 18px 0}.pdf-toolbar{display:flex;justify-content:space-between;gap:8px;align-items:center;margin-bottom:10px;flex-wrap:wrap;flex-shrink:0}.pdf-toolbar strong{font-size:.9375rem}.reader-controls{display:flex;gap:8px;align-items:center}.reader-controls .button{font-size:.875rem;padding:8px 12px}.pdf-external{font-size:.875rem;min-height:44px;display:inline-flex;align-items:center;padding:0 6px}.page-input{width:68px;padding:10px 6px;border:1px solid #b5c4da;border-radius:6px;font-size:1rem;min-height:44px}.page-viewer{flex:1;min-height:0;overflow:auto;background:white;border:1px solid var(--line);border-radius:10px;padding:18px;overscroll-behavior:contain;-webkit-overflow-scrolling:touch}.page-viewer img{display:block;width:100%;max-width:650px;height:auto;margin:0 auto}.page-viewer.full-page img{max-width:1000px}.page-viewer.zoomed img{width:200%;min-width:200%;max-width:none;margin:0}.reader-error{padding:20px;background:#fff1f1;color:var(--red)}.reader-hint{font-size:.8125rem;color:var(--muted);padding:8px 0;line-height:1.4}.full-page-controls{display:flex;gap:8px;align-items:center;flex-wrap:wrap;padding-top:8px;font-size:.875rem}.answer-pane{padding:20px;background:white;border-left:1px solid var(--line);overflow:auto;min-width:0;overscroll-behavior:contain;-webkit-overflow-scrolling:touch}.question-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;gap:8px}.question-index{background:var(--navy);color:white;display:inline-grid;place-items:center;min-width:38px;height:38px;border-radius:6px;font-weight:650}.mark-button{background:white;border:1px solid var(--line);border-radius:6px;padding:8px 10px;font-size:.875rem}.mark-button.marked{color:#78500b;background:#fff6df;border-color:#d5b664}.answer-help{font-size:1rem;color:var(--muted);margin-bottom:16px}.options{display:grid;gap:10px}.answer-option{border:1px solid #b6c4d7;background:white;border-radius:9px;display:flex;align-items:center;padding:12px 14px;gap:12px;text-align:left;min-height:54px}.answer-option.selected{border:2px solid var(--blue);background:#eef4ff;padding:11px 13px}.answer-option span{border:1px solid #98aac3;width:30px;height:30px;display:grid;place-items:center;border-radius:50%;font-size:1rem}.answer-option.selected span{background:var(--blue);color:white;border-color:var(--blue)}.answer-option b{font-size:1rem;font-weight:500}.numeric-answer{width:100%;border:1.5px solid #99afd2;border-radius:8px;padding:14px;font-size:1.25rem;margin-top:8px}.clear-answer{margin:6px 0 14px;background:none;border:0;padding:8px 0;color:var(--muted);font-size:.875rem}.answer-nav{padding-top:18px;border-top:1px solid var(--line)}.question-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(44px,1fr));gap:8px;margin-top:14px}.q-button{position:relative;min-width:44px;min-height:44px;border:1px solid var(--line);background:white;border-radius:6px;font-size:.9375rem}.q-button.answered{background:#dfeaff;color:#174bab;border-color:#c1d3f5}.q-button.current{outline:2px solid var(--blue);outline-offset:1px}.q-button.marked:after{content:"";position:absolute;right:2px;top:-3px;width:8px;height:10px;background:#bc7911;clip-path:polygon(0 0,100% 0,100% 100%,50% 70%,0 100%)}.grid-legend{font-size:.8125rem;color:var(--muted);margin-top:12px}.exam-footer{background:white;border-top:1px solid var(--line);padding:12px max(20px,env(safe-area-inset-right)) max(12px,env(safe-area-inset-bottom)) max(20px,env(safe-area-inset-left));display:flex;align-items:center;justify-content:space-between;gap:12px;flex-shrink:0}.save-status{font-size:.8125rem;color:var(--muted)}.footer-buttons{display:flex;gap:10px}.mobile-panels,.mobile-answer{display:none}
.break-card{max-width:620px;margin:60px auto;padding:40px;text-align:center}.break-card .timer{font-size:3.5rem;margin:22px 0}.break-card p{color:var(--muted);margin:16px 0 24px}.break-card .button{margin:5px}.result-summary{background:var(--navy);color:white;border-radius:16px;padding:32px;display:flex;justify-content:space-between;align-items:center;gap:25px;margin-bottom:24px}.result-summary .eyebrow{color:#a9c5ff}.big-score{font-size:3rem;font-weight:700;letter-spacing:-.045em;line-height:1.3}.big-score small{font-size:1.1rem;font-weight:400;color:#b5c8e5}.result-caption{font-size:.875rem;color:#cfdaec;margin-top:5px}.result-modules{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:25px}.result-module{padding:18px;background:white;border:1px solid var(--line);border-radius:10px}.result-module small{font-size:.875rem;color:var(--muted)}.result-module b{display:block;font-size:1.5rem;margin-top:6px}.score-denominator{font-size:1rem;font-weight:400}.result-table{width:100%;border-collapse:collapse;background:white;font-size:.9375rem}.result-table th{text-align:left;background:#edf2f9;font-size:.875rem;color:var(--muted);padding:13px 16px}.result-table td{padding:12px 16px;border-bottom:1px solid var(--line)}.right{color:var(--green)}.wrong{color:var(--red)}.table-scroll{overflow:auto;border:1px solid var(--line);border-radius:10px}.record-card{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px;border:1px solid var(--line);border-radius:12px;background:white;margin-top:14px}.record-card small{display:block;color:var(--muted);font-size:.875rem;margin-top:5px}.record-score{font-size:1.4rem;font-weight:700;text-align:right}.toast{position:fixed;bottom:max(24px,env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);max-width:90vw;width:max-content;padding:12px 20px;border-radius:8px;background:var(--navy);color:white;box-shadow:0 5px 25px #11233f33;font-size:.9375rem;z-index:50}.testing .toast{bottom:150px}dialog{border:1px solid var(--line);border-radius:14px;max-width:540px;width:calc(100% - 32px);max-height:calc(100vh - 32px);max-height:calc(100dvh - 32px);overflow:auto;padding:28px;color:var(--ink)}dialog::backdrop{background:#0b182988}dialog p{margin-top:12px;font-size:1rem;color:var(--muted)}.dialog-actions{display:flex;justify-content:flex-end;gap:12px;margin-top:28px;flex-wrap:wrap}.formula-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:22px}.formula-grid p{background:var(--bg);padding:12px;font-size:.875rem;margin:0}.formula-grid b{color:var(--ink);line-height:2}.storage-warning{background:#fff0d5;border-bottom:1px solid #d8b467;padding:10px 24px;font-size:.875rem}.testing:has(.storage-warning) .exam-shell{height:calc(100dvh - 72px)}.sat-login{max-width:480px;padding:32px;margin:30px auto}.sat-login h1{font-size:1.8rem}.sat-login form{display:grid;gap:12px;margin:28px 0}.sat-login input{width:100%;min-height:48px;font-size:1rem;padding:12px;border:1px solid #a9bbd4;border-radius:8px}.sat-login label{font-weight:600}
@media(min-width:1440px){.exam-layout{grid-template-columns:minmax(0,1fr) 360px}.answer-pane{padding:26px}}
@media(max-width:1100px){.workspace{padding:28px 24px 48px}.practice-layout{grid-template-columns:minmax(0,1fr) 340px;gap:18px}.setup-panel{padding:22px}.back-video,.test-status{display:none}.exam-header{gap:10px;padding:10px 14px}.exam-tools{gap:6px}.exam-tools .button{padding:8px}.exam-layout{grid-template-columns:minmax(0,1fr) 290px}.answer-pane{padding:16px}.pdf-pane{padding:10px 12px 0}.result-modules{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:900px){.practice-layout{grid-template-columns:1fr}.setup-panel{position:static;grid-row:1}.library-panel{grid-row:2}.exam-header{flex-wrap:wrap}.exam-heading{flex:1}.exam-tools{margin-left:auto}.save-status{max-width:190px}.archive-item{align-items:flex-start;flex-direction:column;gap:10px}}
/* Phones, iPad split view, and short touchscreens share the single-panel layout. */
@media(max-width:760px),(max-height:560px) and (pointer:coarse){
  .app-header{padding:14px 18px 0;flex-wrap:wrap;gap:10px}.app-header nav{width:100%;justify-content:space-between;gap:12px}.brand b{font-size:1.05rem}.brand small{font-size:.75rem}.workspace{padding:24px 16px 36px}h1{font-size:1.7rem}.page-heading{align-items:flex-start;margin-bottom:22px}.page-heading .chip{display:none}.setup-panel{padding:20px}.panel-heading{padding:16px}.test-row{padding:12px;gap:12px}.continue-banner{flex-direction:column;align-items:flex-start}.module-strip div{gap:4px}.mode-option{padding:12px}.mode-option small{margin-left:0}.exam-header{padding:8px max(12px,env(safe-area-inset-right)) 6px max(12px,env(safe-area-inset-left));gap:4px 8px}.exam-heading strong{font-size:.875rem}.exam-heading small{font-size:.8125rem}.timer-block{min-width:88px}.timer{font-size:1.3rem}.timer-block button{font-size:.8125rem;padding:4px;min-height:44px}.exam-tools{width:100%;justify-content:flex-end;gap:6px}.exam-tools .button{font-size:.8125rem;min-height:44px;padding:6px 10px}.mobile-panels{display:grid;grid-template-columns:1fr 1fr;background:white;border-bottom:1px solid var(--line);flex-shrink:0}.mobile-panels button{border:0;border-bottom:3px solid transparent;background:white;font-size:.875rem;font-weight:600}.mobile-panels button[aria-pressed=true]{color:var(--blue);border-color:var(--blue);background:#f3f7ff}.exam-layout{display:flex;flex-direction:column}.exam-shell[data-panel=question] .answer-pane{display:none}.exam-shell[data-panel=answer] .pdf-pane{display:none}.pdf-pane{flex:1;padding:8px 8px 0}.pdf-toolbar{gap:4px;margin-bottom:6px}.pdf-toolbar strong{font-size:.875rem}.reader-controls{gap:2px}.reader-controls .button{font-size:.8125rem;padding:6px 9px}.pdf-external{font-size:.8125rem}.page-viewer{padding:8px;border-radius:8px}.reader-hint{display:none}.full-page-controls{padding:6px 0}.answer-pane{flex:1;border-left:0;border-top:0;padding:18px 18px 24px}.options{grid-template-columns:1fr 1fr}.question-head{margin-bottom:10px}.answer-help{margin-bottom:12px}.answer-nav{padding-top:12px}.clear-answer{margin-bottom:8px}.exam-footer{padding:8px max(10px,env(safe-area-inset-right)) max(8px,env(safe-area-inset-bottom)) max(10px,env(safe-area-inset-left));display:flex;flex-direction:column;gap:8px}.save-status{display:none}.mobile-answer{display:flex;align-items:center;gap:8px;width:100%}.mobile-question-number{font-size:.875rem;font-weight:700;min-width:30px}.quick-choices{display:grid;grid-template-columns:repeat(4,minmax(44px,1fr));gap:6px;flex:1}.quick-choice,.quick-mark{height:44px;min-width:44px;border:1px solid #b6c4d7;border-radius:8px;background:white;font-weight:600}.quick-choice.selected{background:var(--blue);border-color:var(--blue);color:white}.quick-mark{font-size:1.35rem}.quick-mark[aria-pressed=true]{background:#fff6df;border-color:#c39935;color:#78500b}.numeric-shortcut{flex:1;min-width:0;overflow-wrap:anywhere}.footer-buttons{width:100%;display:grid;grid-template-columns:1fr 1fr 1.35fr;gap:6px}.footer-buttons .button{font-size:.875rem;padding:8px 6px}.exam-shell[data-panel=answer] .mobile-answer{display:none}.break-card{margin:24px 0;padding:24px}.break-card h1{font-size:1.7rem}.result-summary{padding:24px;align-items:flex-start;flex-direction:column}.big-score{font-size:2.5rem}.result-modules{gap:8px}.result-module{padding:14px}.result-module small{font-size:.8125rem}.record-card{padding:18px;flex-wrap:wrap}.record-score{text-align:left}.record-card .button{margin-left:auto}.table-scroll{border:0;overflow:visible}.result-table,.result-table tbody{display:block;background:transparent}.result-table thead{display:none}.result-table tr{display:grid;grid-template-columns:1fr 1fr;background:white;border:1px solid var(--line);border-radius:10px;margin-bottom:12px;padding:12px;gap:10px}.result-table td{display:block;border:0;padding:0;overflow-wrap:anywhere}.result-table td:first-child{grid-column:1/-1;font-weight:600}.result-table td:before{content:attr(data-label);display:block;font-size:.8125rem;font-weight:400;color:var(--muted);margin-bottom:2px}.result-table td:last-child{grid-column:1/-1}.result-table a{display:inline-flex;align-items:center;min-height:44px}dialog{padding:20px}.formula-grid{gap:8px}.formula-grid p{padding:8px;overflow-wrap:anywhere}.sat-login{padding:24px;margin:12px auto}.toast{font-size:.875rem;padding:10px 14px}.testing .toast{bottom:150px}
}
@media(max-height:560px) and (pointer:coarse){.exam-header{flex-wrap:nowrap}.exam-heading small{display:none}.exam-tools{width:auto}.timer-block{display:flex;gap:6px;align-items:center}.mobile-panels{min-height:44px}.exam-footer{flex-direction:row}.mobile-answer{width:48%}.footer-buttons{width:52%}.exam-shell[data-panel=answer] .footer-buttons{width:100%}}
@media(hover:hover){.button.primary:hover{background:#184bc3}.test-row:hover{background:#f5f8ff}.answer-option:hover{border-color:#749bed}}
@media(prefers-reduced-motion:no-preference){.button,.test-row,.answer-option,.quick-choice{transition:background .15s,border-color .15s}}
.imported-library{margin-bottom:40px}.material-filters{display:flex;gap:16px;margin:20px 0;flex-wrap:wrap}.material-filters label{font-size:12px;font-weight:600;min-width:130px}.material-filters select,.material-filters input{display:block;width:100%;margin-top:5px;min-height:44px;font-size:16px;border:1px solid var(--line);background:white;border-radius:9px;padding:9px 12px;color:var(--ink)}.material-search{flex:1;min-width:210px!important}.source-name{font-size:12px;color:var(--muted);margin-top:5px}.source-name summary{cursor:pointer;min-height:24px}.source-name small{display:block;overflow-wrap:anywhere}.imported-library .archive-item>div:first-child{min-width:0}.imported-library .archive-item h3{overflow-wrap:anywhere}
@media(max-width:600px){.material-filters{gap:10px}.material-filters label:not(.material-search){flex:1}.material-search{flex-basis:100%}.imported-library .archive-item{align-items:stretch}.imported-library .resource-links{display:flex;justify-content:space-between}}
.rich-text{font-family:Georgia,"Times New Roman",serif;font-size:19px;line-height:1.75;background:white;border-radius:12px;max-width:850px;margin:0 auto;padding:28px 32px;overflow-wrap:anywhere;box-shadow:0 3px 18px #1727410a}.rich-text p{margin:0 0 1.15em}.rich-text h2,.rich-text h3,.rich-text h4{margin:1.2em 0 .6em;font-family:inherit;letter-spacing:0}.rich-text ul,.rich-text ol{padding-left:1.5em}.rich-text li{margin:.45em 0}.rich-text figure{margin:1.2em 0}.rich-text figure img{display:block;width:auto;min-width:0;max-width:100%;height:auto;margin:auto;box-shadow:none}.rich-text figcaption{font-size:.8em;color:var(--muted);font-family:Inter,-apple-system,sans-serif}.rich-text math{font-size:1.08em;max-width:100%;overflow:auto}.rich-text math[display=block]{display:block;margin:1em 0;padding:4px 0}.rich-text .text-review-note{font:12px/1.6 Inter,-apple-system,sans-serif;padding:10px 14px;border-radius:8px;background:#fff7e5;color:#665127;margin-top:24px}.page-viewer.zoomed .rich-text,.material-image.zoomed .rich-text{font-size:24px}.page-viewer.zoomed .rich-text img,.material-image.zoomed .rich-text img{width:auto;min-width:0;max-width:100%}.rich-text .answer-choice{margin:.5em 0;padding-left:1.8em;text-indent:-1.8em}.rich-text table{border-collapse:collapse;font-size:.9em;max-width:100%;display:block;overflow:auto}.rich-text td,.rich-text th{padding:6px 12px;border:1px solid var(--line)}
@media(max-width:760px){.rich-text{font-size:18px;line-height:1.8;padding:20px 18px;border-radius:8px}.page-viewer.zoomed .rich-text,.material-image.zoomed .rich-text{font-size:22px}}
.reader-tabs{display:flex;gap:3px;padding:3px;border:1px solid var(--line);background:#edf2f8;border-radius:10px;flex-shrink:0}.reader-tabs button{border:0;border-radius:7px;background:transparent;color:var(--muted);padding:7px 17px;font-size:13px;font-weight:700;min-height:44px}.reader-tabs button[aria-selected=true]{background:#fff;color:var(--blue);box-shadow:0 1px 5px #14284118}.material-view-tabs{border-radius:0;padding:5px 16px;border-left:0;border-right:0;background:#fff}.material-view-tabs button{min-width:110px}.material-view-tabs button[aria-selected=true]{background:#eaf0ff;box-shadow:none}.pdf-toolbar{flex-wrap:wrap}.pdf-toolbar>.reader-tabs{margin-left:auto}.pdf-toolbar>.reader-controls{flex-wrap:wrap}
@media(max-width:760px){.reader-tabs button{padding:6px 14px}.pdf-toolbar>.reader-controls{width:100%;justify-content:flex-end}.material-view-tabs{padding:4px 10px}.material-view-tabs button{flex:1}}

.test-references{font-size:14px;min-width:0}.test-references summary{cursor:pointer;color:var(--muted);padding:10px 0;min-height:44px}.test-references .resource-links{margin-top:6px}.archive-item:has(>.test-references){flex-wrap:wrap}.archive-item>.test-references{flex-basis:100%}

.imported-mock-choices{display:grid;gap:1em;margin-top:1.5em}.imported-mock-choice{display:flex;align-items:baseline;gap:.55em}.imported-mock-choice p{margin:0}

.sat-account-switch{margin:0 0 0 auto;order:3;flex-shrink:0}.sat-account-switch button{font:inherit;font-size:13px;color:#fff;background:#ffffff12;border:1px solid #ffffff40;border-radius:8px;min-height:44px;padding:8px 12px;cursor:pointer}.sat-account-switch button:focus-visible{outline:2px solid #fff;outline-offset:3px}
@media(max-width:760px){.app-header .sat-account-switch{order:0;margin-left:auto}.app-header .sat-account-switch button{font-size:12px;padding:6px 9px;min-height:36px}.app-header nav{order:2}}

/* Compact completion indicators shared by Study and Tests. */
.saved-progress{width:100%;max-width:440px;margin:12px 0 4px;min-width:0}
.saved-progress>div{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:4px 16px;font-size:.8125rem;line-height:1.5}
.saved-progress strong{color:var(--blue);font-weight:650}.saved-progress span{color:var(--muted);white-space:nowrap}
.saved-progress progress{display:block;width:100%;height:6px;margin:7px 0 0;border:0;border-radius:20px;overflow:hidden;background:#e5ebf5;accent-color:var(--blue)}
.saved-progress progress::-webkit-progress-bar{background:#e5ebf5;border-radius:20px}.saved-progress progress::-webkit-progress-value{background:var(--blue);border-radius:20px}.saved-progress progress::-moz-progress-bar{background:var(--blue);border-radius:20px}
.bank-document>div{flex:1}.archive-item.in-progress,.bank-document.in-progress{border-color:#a4baf4}
.continue-banner>div{min-width:0;flex:1}.test-library-info{min-width:0}
@media(max-width:760px){.saved-progress{max-width:none}.test-library-actions .button{white-space:normal}.saved-progress>div{font-size:12px}}