:root{color-scheme:dark;--navy:#19102e;--purple:#8658ee;--text:#fff;--muted:#c9bddf;--line:#ffffff26;--gold:#ffda79;--green:#91efc8;--red:#ffa3b8;font-family:ui-rounded,"Trebuchet MS",Arial,sans-serif;font-size:1rem}
*{box-sizing:border-box}body{margin:0;min-height:100vh;min-height:100dvh;background:radial-gradient(ellipse at 52% 5%,#382062 0,#211337 50%,#161024 100%);color:var(--text);line-height:1.55;overflow-x:hidden}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}button:disabled{cursor:default}a{color:inherit}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--gold);outline-offset:5px}button{transition:transform .15s,background .15s,box-shadow .15s}button:not(:disabled):active{transform:translateY(2px)}button:not(:disabled):hover{filter:brightness(1.07)}.ambient{position:fixed;z-index:-1;pointer-events:none;border:1px solid #ffffff06;transform:rotate(26deg)}.ambient-one{width:460px;height:460px;border-radius:80px;left:-260px;top:15%}.ambient-two{width:360px;height:360px;border-radius:50%;right:-230px;bottom:2%}.masthead{max-width:1180px;margin:auto;padding:30px 38px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-size:1.625rem;font-weight:900;letter-spacing:-1px}.brand-light{font-weight:500}.brand-mark{position:relative;font-size:1.75rem;font-weight:900;display:grid;place-items:center;width:44px;height:44px;border-radius:14px;background:#8555e5;box-shadow:0 4px 0 #503193;transform:rotate(-7deg)}.brand-mark span{position:absolute;font-size:1.375rem;color:var(--gold);right:-9px;top:-13px}.course-label{color:#d7caeb;font-size:1rem;letter-spacing:1.4px;font-weight:700}.course-label span{color:#79608f;margin:0 12px}#app{max-width:1100px;margin:18px auto 0;padding:0 38px 35px;outline:none}.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:1rem;color:#d2beff;letter-spacing:1px;font-weight:700;margin:0 0 10px}.eyebrow:before{content:"";width:8px;height:8px;background:var(--gold);border-radius:50%}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(2rem,4.8vw,3.1875rem);line-height:1.15;letter-spacing:-1.8px;margin-bottom:14px;font-weight:900}h2{font-size:1.75rem;line-height:1.25;letter-spacing:-.7px}h3{font-size:1.3125rem;line-height:1.25}p{margin-bottom:14px}.intro{padding-top:22px;margin-bottom:33px}.intro p{color:var(--muted);font-size:1.125rem;max-width:680px;margin-bottom:0}.intro-title{display:flex;align-items:center;gap:16px}.intro-title .spark{font-size:2.375rem;color:var(--gold);transform:rotate(12deg);line-height:1}.quiz-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.quiz-card{position:relative;display:flex;flex-direction:column;min-height:342px;background:#35214e;border:1px solid #76579d;border-radius:22px;padding:24px;box-shadow:0 7px 0 #10091c88;overflow:hidden}.quiz-card:nth-child(2){background:#27284a;border-color:#5f658c}.quiz-card:nth-child(3){background:#293e43;border-color:#5a7977}.quiz-card-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:35px}.quiz-number{font-size:1.1875rem;font-weight:900;color:#cdb6ff;letter-spacing:2px}.quiz-card:nth-child(2) .quiz-number{color:#b3c6ff}.quiz-card:nth-child(3) .quiz-number{color:#9ee3d6}.quiz-icon{display:grid;place-items:center;border-radius:15px;width:54px;height:54px;background:#ffffff0d;color:#e3d3ff;font-size:1.75rem;transform:rotate(8deg)}.quiz-card h2{font-size:1.625rem;margin-bottom:10px;letter-spacing:-.6px}.quiz-card p{color:#ddd3ec;font-size:1rem;line-height:1.5;margin:0 0 24px}.quiz-card .card-bottom{margin-top:auto}.quiz-facts{display:flex;align-items:center;gap:8px;font-size:1rem;margin-bottom:18px;color:#d3c6e6;white-space:nowrap}.quiz-facts span+span:before{content:"·";margin-right:8px;color:#9682b0}.start-button{width:100%;padding:13px 16px;display:flex;justify-content:space-between;align-items:center;background:#f2e9ff;color:#2a1947;border:0;border-radius:11px;font-weight:800;box-shadow:0 3px 0 #b29fc9}.quiz-card:nth-child(2) .start-button{background:#dfe9ff;box-shadow:0 3px 0 #8c9fc8}.quiz-card:nth-child(3) .start-button{background:#d2f5e9;box-shadow:0 3px 0 #89b6a8}.practice-note{display:flex;gap:13px;align-items:flex-start;margin:29px 0 0;padding:18px 20px;background:#ffffff05;border:1px solid #ffffff10;border-radius:14px;color:var(--muted);font-size:1rem}.practice-note .note-icon{font-size:1.4375rem;color:var(--gold);line-height:1.3}.practice-note strong{color:#eee5fa}.practice-note p{margin:0}.site-footer{max-width:1100px;margin:0 auto;padding:18px 38px 30px;display:flex;justify-content:space-between;gap:12px;font-size:1rem;color:#a596bb}.game-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:10px 0 18px}.subtle-button{padding:8px 0;background:none;border:0;color:#ded1f2;font-weight:700;white-space:nowrap}.quiz-title-small{font-size:1rem;color:#cbbadf;text-align:center;font-weight:700}.score-chip{border:1px solid #8464ae;border-radius:10px;background:#402658;padding:7px 13px;white-space:nowrap;font-size:1rem;font-weight:700}.score-chip span{color:var(--gold);padding-right:4px}.game-stats{display:flex;align-items:center;justify-content:space-between;gap:14px;color:#d5c6e7;margin-bottom:11px;font-size:1rem}.game-stats strong{color:white}.progress{height:7px;border-radius:20px;background:#ffffff17;margin-bottom:23px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,#af7bff,#d4b4ff);border-radius:20px;transition:width .25s}.question-card{background:#fbf9ff;color:#211932;padding:clamp(24px,4vw,40px);border-radius:20px;box-shadow:0 6px 0 #10091c88;margin-bottom:22px}.question-tag{display:inline-block;font-size:1rem;line-height:1.2;padding:7px 11px;border-radius:7px;background:#ece4fc;color:#654599;font-weight:800;letter-spacing:.2px;margin-bottom:18px}.question-text{font-size:clamp(1.3125rem,2.65vw,1.75rem);font-weight:700;line-height:1.45;letter-spacing:-.35px;white-space:pre-line;margin:0}.answer-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.answer{position:relative;display:flex;align-items:center;gap:16px;text-align:left;min-height:106px;border:2px solid transparent;border-radius:15px;padding:22px 20px;box-shadow:0 5px 0 #08041466;color:#fff;font-size:1.125rem;font-weight:700;line-height:1.45}.answer-a{background:#ab2346}.answer-b{background:#1c5ca7}.answer-c{background:#ffd06a;color:#2b2035}.answer-d{background:#066d67}.answer-letter{flex-shrink:0;border:2px solid currentColor;width:34px;height:34px;border-radius:9px;display:grid;place-items:center;font-size:1rem;opacity:.9}.answer-text{flex:1}.answer-status{flex-shrink:0;font-size:1.375rem}.answer.correct{border:3px solid #a0f9d3;padding:21px 19px;box-shadow:0 0 0 2px #123e30}.answer.incorrect{border:3px solid #ffb7c9;padding:21px 19px}.answer.muted{opacity:.42}.feedback{margin-top:24px;padding:23px 25px;border:1px solid #526853;border-radius:16px;background:#173f3580}.feedback.is-wrong{border-color:#986274;background:#58283d88}.feedback-top{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;margin-bottom:10px}.feedback h2{font-size:1.375rem;color:var(--green);margin-bottom:0}.feedback.is-wrong h2{color:#ffbecd}.feedback-points{font-weight:800;white-space:nowrap;color:var(--green)}.feedback p{color:#f1e9fa;font-size:1.125rem;line-height:1.6;margin:0}.feedback .correct-answer-line{margin-bottom:10px;font-size:1.0625rem;font-weight:800;color:white}.game-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:22px}.hint-button{border:1px solid #8b70aa;color:#e0d0f7;background:#ffffff07;border-radius:9px;padding:9px 14px;font-weight:700}.hint-button:disabled{color:#ad9abd;border-color:#4a385a}.hint-text{font-size:1rem;color:#e6d8f8;margin:16px 0 0;padding-left:14px;border-left:3px solid #c697ff}.keyboard-tip{font-size:1rem;color:#ad9dbe;text-align:right}.primary{border:0;border-radius:11px;background:#f1e6ff;color:#2d1649;font-weight:900;padding:14px 24px;box-shadow:0 4px 0 #a990c4}.next-button{margin-left:auto;min-width:200px}.results{padding-top:20px}.results-top{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;border:1px solid #7a5b9c;border-radius:24px;padding:32px;background:linear-gradient(130deg,#482761,#2d1a4a);margin-bottom:26px}.results-top h1{font-size:2.5rem}.results-top p{color:#dbc9ed;margin-bottom:0;font-size:1.125rem}.result-medallion{width:145px;height:145px;display:flex;flex-direction:column;align-items:center;justify-content:center;border:7px solid #b792f0;border-radius:50%;background:#ffffff08;box-shadow:0 0 0 8px #ffffff05}.result-medallion strong{font-size:2.375rem;line-height:1.2;color:#ffe292}.result-medallion span{font-size:1rem;color:#e1ceed}.result-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:24px 0}.result-stat{padding:18px;background:#ffffff08;border:1px solid #ffffff17;border-radius:13px;text-align:center}.result-stat strong{display:block;font-size:1.625rem;color:white}.result-stat span{font-size:1rem;color:#cabada}.results-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:37px}.secondary{border:1px solid #9a7abf;background:#ffffff08;color:white;border-radius:11px;padding:13px 24px;font-weight:700}.review-heading{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:16px}.review-heading h2{font-size:1.5625rem;margin:0}.review-heading span{font-size:1rem;color:#cbb8e1}.review-item{background:#ffffff06;border:1px solid #ffffff23;border-radius:14px;padding:21px 23px;margin-bottom:12px}.review-item summary{font-size:1.125rem;font-weight:700;cursor:pointer;line-height:1.5;list-style-position:outside;margin-left:18px;padding-left:4px}.review-item .review-meta{display:block;font-size:1rem;color:#c1a5e6;font-weight:700;margin-bottom:6px}.review-content{margin-top:17px;border-top:1px solid #ffffff20;padding-top:16px;font-size:1.0625rem}.review-choice{display:flex;gap:8px;margin-bottom:8px}.review-choice strong{flex-shrink:0}.review-choice.missed{color:#ffbfd0}.review-choice.right{color:#a4eacf}.review-content p{margin-bottom:0;color:#e0d3ee;line-height:1.65}.perfect-message{padding:24px;background:#224c3c80;border:1px solid #52816d;border-radius:15px;font-size:1.125rem;color:#d4f6e6}.menu-confirm{background:#352444;border:1px solid #a987c8;border-radius:15px;padding:21px 24px;margin-bottom:22px}.menu-confirm h2{font-size:1.375rem;margin-bottom:9px}.menu-confirm p{color:#d3c2e3}.confirm-actions{display:flex;flex-wrap:wrap;gap:12px}.noscript{max-width:800px;margin:20px auto;padding:20px}.error-panel{padding:30px;border:1px solid #b48aab;border-radius:16px;background:#502d43}.error-panel h1{font-size:1.75rem}.error-panel p{color:#e6d2e2}.enter{animation:enter .22s ease-out}@keyframes enter{from{opacity:0;transform:translateY(7px)}to{opacity:1;transform:translateY(0)}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media(max-width:820px){.masthead{padding:24px}.course-label{font-size:1rem;letter-spacing:.4px}.course-label span{margin:0 7px}#app{padding:0 24px 30px;margin-top:5px}.quiz-grid{gap:13px}.quiz-card{padding:20px;min-height:355px}.quiz-card h2{font-size:1.4375rem}.quiz-card-top{margin-bottom:28px}.quiz-facts{display:block;white-space:normal}.quiz-facts span{display:block}.quiz-facts span+span:before{display:none}.site-footer{padding:12px 24px 24px}.answer{font-size:1.0625rem;padding:19px 17px;gap:13px}.answer.correct,.answer.incorrect{padding:18px 16px}.keyboard-tip{display:none}}
@media(max-width:640px){.masthead{padding:23px 20px 20px}.brand{font-size:1.5rem;gap:10px}.brand-mark{width:38px;height:38px;font-size:1.5625rem;border-radius:12px}.course-label{max-width:105px;font-size:1rem;line-height:1.3;text-align:right;letter-spacing:0}.course-label span{display:none}.course-label{word-spacing:2px}#app{padding:0 18px 25px}.intro{padding-top:15px;margin-bottom:25px}h1{font-size:2.25rem;letter-spacing:-1.2px}.intro p{font-size:1.0625rem}.intro-title .spark{font-size:1.75rem}.quiz-grid{grid-template-columns:1fr;gap:17px}.quiz-card{min-height:0;padding:22px}.quiz-card-top{margin-bottom:9px}.quiz-icon{position:absolute;right:23px;top:22px;width:47px;height:47px;font-size:1.5625rem}.quiz-card h2{font-size:1.625rem;max-width:calc(100% - 45px);margin-bottom:8px}.quiz-card p{margin-bottom:17px;max-width:94%}.quiz-facts{display:flex;margin-bottom:16px;gap:9px}.quiz-facts span+span:before{display:inline}.quiz-facts span{display:inline}.practice-note{padding:16px;margin-top:22px}.site-footer{flex-direction:column;align-items:center;gap:4px;padding:7px 18px 25px;font-size:1rem;text-align:center}.game-toolbar{gap:8px;flex-wrap:wrap;margin:3px 0 20px}.quiz-title-small{order:3;flex:1 0 100%;text-align:left;margin-top:10px}.score-chip{margin-left:auto}.game-stats{font-size:1rem}.progress{margin-bottom:20px}.question-card{padding:23px 22px;border-radius:16px;margin-bottom:18px}.question-text{font-size:1.375rem;line-height:1.45}.question-tag{font-size:1rem;margin-bottom:14px}.answer-grid{grid-template-columns:1fr;gap:12px}.answer{min-height:80px;padding:18px 17px;font-size:1.0625rem;gap:14px;border-radius:13px}.answer.correct,.answer.incorrect{padding:17px 16px}.answer-letter{width:30px;height:30px;font-size:1rem;border-radius:7px}.game-bottom{margin-top:21px;gap:12px}.next-button{min-width:180px;padding:14px 18px}.hint-button{font-size:1rem;padding:10px 12px}.feedback{padding:20px;margin-top:22px}.feedback-top{gap:10px}.feedback h2{font-size:1.3125rem}.feedback p{font-size:1.0625rem}.feedback-points{font-size:1rem}.results{padding-top:7px}.results-top{padding:25px 22px;grid-template-columns:1fr;gap:23px}.results-top h1{font-size:2.125rem}.result-medallion{width:130px;height:130px;justify-self:center}.result-stats{gap:9px;margin-top:18px}.result-stat{padding:14px 8px}.result-stat strong{font-size:1.4375rem}.results-actions{margin-bottom:31px}.results-actions button{flex:1;min-width:145px;padding:13px 17px}.review-heading{align-items:flex-start;flex-direction:column;gap:5px}.review-item{padding:20px 17px}.review-item summary{font-size:1.0625rem}.review-choice{display:block}.review-choice strong{display:block}.review-content{font-size:1.0625rem}.menu-confirm{padding:20px}}

/* Keep enlarged text and small screens comfortable. */
h1,h2,h3,.answer-text{overflow-wrap:break-word}.masthead,.quiz-facts{flex-wrap:wrap}.quiz-facts{white-space:normal}.game-bottom{flex-wrap:wrap}.question-text{max-width:100%}.answer-text{min-width:0}.feedback-top{flex-wrap:wrap}.game-stats{flex-wrap:wrap}.course-label{overflow-wrap:break-word}.primary,.secondary{white-space:normal}