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.hideKnown{color:#284d5b;white-space:nowrap;cursor:pointer;background:#eff7f5;border:1px solid #b9cbcd;border-radius:9px;flex-direction:row;align-items:center;gap:8px;min-height:44px;padding:0 13px;display:flex}.flashToolbar .hideKnown input{width:17px;height:17px;accent-color:var(--teal)}.flashProgress{color:#56707b;justify-content:space-between;gap:15px;margin:18px 0 10px;font-size:.82rem;font-weight:850;display:flex}.masteryBar{background:#dce8e7;border-radius:99px;height:7px;margin:0 0 12px;overflow:hidden}.masteryBar i{background:linear-gradient(90deg,var(--teal),#40a773);border-radius:inherit;height:100%;transition:width .25s;display:block}.bigFlashcard{text-align:center;width:100%;min-height:340px;color:var(--navy);cursor:pointer;background:linear-gradient(145deg,#fff,#eef8f5);border:2px solid #a9ccc6;border-radius:18px;flex-direction:column;justify-content:center;align-items:center;padding:42px clamp(25px,7vw,82px);display:flex;box-shadow:0 14px 35px #173d5c18}.bigFlashcard.flipped{background:linear-gradient(145deg,#fffaf0,#fff0ca);border-color:#d9ba72}.bigFlashcard>span{color:var(--teal-dark);letter-spacing:.13em;text-transform:uppercase;margin-bottom:18px;font-size:.74rem;font-weight:950}.bigFlashcard.flipped>span{color:#7a5514}.bigFlashcard>strong{max-width:820px;font:700 clamp(1.7rem,3.7vw,2.85rem)/1.27 Georgia,Times New Roman,serif}.bigFlashcard.flipped>strong{font-size:clamp(1.2rem,2.4vw,1.85rem);line-height:1.45}.bigFlashcard>small{color:#70838c;margin-top:25px;font-weight:750}.noCards{min-height:340px;color:var(--muted);background:#fff;border:1px dashed #aebfc1;border-radius:18px;place-items:center;display:grid}.flashControls{grid-template-columns:repeat(4,1fr);gap:9px;margin-top:14px;display:grid}.flashControls button{min-height:44px;color:var(--navy);cursor:pointer;background:#fff;border:1px solid #b8c9ca;border-radius:9px;padding:9px;font-weight:850}:is(.flashControls button:hover:not(:disabled),.flashControls 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article>span{color:var(--gold);letter-spacing:.15em;margin-bottom:31px;font-size:.76rem;font-weight:950;display:block}.stepGrid article>span:after{content:"";background:var(--teal);border-radius:3px;width:40px;height:3px;margin-top:8px;display:block}.stepGrid h3{color:var(--navy);font:700 1.4rem/1.15 Georgia,serif}.stepGrid p{color:var(--muted)}.practiceSection{grid-template-columns:minmax(0,.8fr) minmax(500px,1.2fr);align-items:center;gap:60px;display:grid}.practiceSection>div:first-child p{color:var(--muted)}.suiteGrid{grid-template-columns:repeat(2,1fr);gap:14px;display:grid}.suiteGrid article{border:1px solid var(--line);border-top:6px solid var(--teal);background:#fff;border-radius:17px;padding:27px}.suiteGrid article+article{border-top-color:var(--gold)}.suiteLabel{color:var(--teal-dark);text-transform:uppercase;letter-spacing:.12em;font-size:.72rem;font-weight:950}.suiteGrid article+article .suiteLabel{color:#7b5516}.suiteGrid strong{color:var(--navy);margin-top:14px;font:700 3.6rem/1 Georgia,serif;display:block}.suiteGrid h3{color:var(--navy);margin:.2em 0 .55em;font:700 1.35rem/1.15 Georgia,serif}.suiteGrid p{color:var(--muted);font-size:.9rem}.suiteGrid em{border-top:1px solid var(--line);color:#75591f;padding-top:12px;font-size:.78rem;font-style:normal;font-weight:850;display:block}.suiteAction{border-top:1px solid var(--line);color:var(--teal-dark);text-underline-offset:4px;padding-top:12px;font-size:.8rem;font-weight:900;display:block}.officialLinks{color:#eef7f7;background:var(--navy);grid-template-columns:minmax(0,1fr) minmax(360px,.8fr);align-items:center;gap:55px;padding:58px max(7vw,30px);display:grid}.officialLinks .kicker{color:#8ed8cd}.officialLinks h2{color:#fff}.officialLinks p{color:#cadce3}.officialLinks>div:last-child{gap:11px;display:grid}.officialLinks a{color:#fff;background:#ffffff0d;border:1px solid #648193;border-radius:10px;justify-content:space-between;padding:15px 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a{color:#bfe7df;font-weight:850;text-decoration:none}.timer{text-align:center;min-width:96px;color:var(--navy);font-variant-numeric:tabular-nums;background:#fff;border-radius:8px;padding:7px 12px;font-weight:900}.practiceMain{max-width:920px;margin:0 auto;padding:32px 15px 70px}.panel{border:1px solid var(--line);box-shadow:var(--shadow);background:#fff;border-radius:18px;padding:28px}.startPanel h1,.resultPanel h1{color:var(--navy);font-size:clamp(2.2rem,5vw,4rem)}.facts{grid-template-columns:repeat(3,1fr);gap:10px;margin:24px 0;display:grid}.facts div{background:var(--mist);border-radius:10px;padding:14px}.questionMeta{color:var(--teal-dark);justify-content:space-between;font-size:.85rem;font-weight:850;display:flex}.sourcePacket{border:1px solid #b7ccca;border-left:6px solid var(--teal);background:#f4faf8;border-radius:12px;margin:22px 0 28px;padding:20px}.sourcePacket h2{color:var(--navy);margin:0 0 14px;font:800 1.05rem/1.35 Georgia,serif}.packetSource{border-top:1px solid #d6e5e2;padding:10px 0}.packetSource h3{color:var(--teal-dark);margin:0 0 5px;font-size:.95rem}.packetSource h3 span{font-weight:650}.packetSource p{margin:0;line-height:1.55}.packetPassage{white-space:pre-line}.packetAttribution{color:#536d6a;border-top:1px solid #b7ccca;margin:12px 0 0;padding-top:10px;font-size:.82rem;line-height:1.45}.questionPrompt{color:var(--navy);margin:24px 0;font:700 clamp(1.18rem,3vw,1.45rem)/1.45 Georgia,serif}.choices{gap:10px;display:grid}.choice{cursor:pointer;border:2px solid #d8e2e2;border-radius:11px;grid-template-columns:28px 1fr;align-items:start;gap:12px;padding:13px;display:grid}.choice:has(input:checked){border-color:var(--teal);background:#e9f6f3}.choice input{width:18px;height:18px;accent-color:var(--teal);margin-top:4px}.playerControls{justify-content:space-between;gap:12px;margin-top:24px;display:flex}.questionNav{grid-template-columns:repeat(10,1fr);gap:6px;margin-top:22px;display:grid}.questionNav 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span{font-size:.66rem}footer{text-align:center;display:block}footer>*{margin:5px 0;display:block}.facts{grid-template-columns:1fr}.questionNav{grid-template-columns:repeat(5,1fr)}.panel{padding:19px 14px}.modalBackdrop{padding:0}.toolModal,.testModal{border:0;border-radius:0;width:100vw;height:100vh;max-height:none}.toolModalHeader{min-height:70px;padding:12px 14px 12px 18px}.flashcardPlayer{padding:15px}.flashToolbar{grid-template-columns:1fr}.bigFlashcard{min-height:300px;padding:30px 20px}.flashControls{grid-template-columns:repeat(2,1fr)}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.trackCard{transition:none}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}