:root{--ink:#173531;--teal:#1b7467;--coral:#df6e5f;--gold:#e8ba61;--muted:#71817d;--line:#dfe8e4;--surface:#fff;--wash:#f3f8f5;--mint:#e3f1eb;color:var(--muted);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;background:#fbfcfa;font-family:Inter,Hiragino Kaku Gothic ProN,Yu Gothic,Meiryo,ui-sans-serif,system-ui,sans-serif}*{box-sizing:border-box}body{min-width:320px;margin:0}button{font-family:inherit}.app-shell{flex-direction:column;min-height:100svh;display:flex}.topbar{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;padding:22px 5vw;display:flex}.brand{color:var(--ink);letter-spacing:-.02em;cursor:pointer;background:0 0;border:0;align-items:center;gap:10px;padding:0;font-size:17px;display:flex}.brand strong{font-weight:700}.brand-mark{color:#fff;background:var(--coral);border-radius:10px 10px 10px 3px;place-items:center;width:30px;height:30px;font-size:15px;display:grid;transform:rotate(-8deg)}.header-note{color:var(--muted);letter-spacing:.04em;font-size:12px}.account-menu{color:var(--muted);align-items:center;gap:12px;font-size:12px;display:flex}.account-menu button{color:var(--teal);font:inherit;cursor:pointer;background:0 0;border:0;border-bottom:1px solid;padding:0 0 2px}.account-menu button:hover{color:var(--ink)}.page-section{flex:1;width:min(940px,90%);margin:0 auto}.status-panel,.sign-in-page{text-align:center;max-width:620px;padding:clamp(76px,14vw,150px) 0}.status-panel p,.sign-in-page>p{color:var(--muted);font-size:16px;line-height:1.75}.sign-in-page>p span{color:var(--teal);font-size:14px}.status-mark{color:#fff;background:var(--coral);border-radius:16px 16px 16px 5px;place-items:center;width:50px;height:50px;margin:0 auto 24px;font-size:22px;display:grid;transform:rotate(-8deg)}.sign-in-button{margin-top:30px}.guest-form{border:1px solid var(--line);background:var(--surface);text-align:left;border-radius:16px;gap:14px;max-width:360px;margin:44px auto 0;padding:26px;display:grid}.guest-form h2{color:var(--ink);margin:0;font-size:17px}.guest-form small{color:var(--teal);font-size:11px;font-weight:400}.guest-form label{color:var(--ink);gap:6px;font-size:13px;font-weight:600;display:grid}.guest-form input{border:1px solid var(--line);color:var(--ink);font:inherit;border-radius:9px;padding:11px 12px;font-weight:400}.guest-form input:focus-visible{outline:3px solid var(--gold);outline-offset:2px;border-color:var(--teal)}.guest-form .inline-error{margin:0}.guest-submit{border-color:var(--line)}.guest-note{color:var(--muted);margin:0;font-size:12px!important;line-height:1.6!important}.history-button{margin-top:20px}.history-list{gap:10px;margin:24px 0 0;padding:0;list-style:none;display:grid}.history-item{border:1px solid var(--line);background:var(--surface);border-radius:14px;justify-content:space-between;align-items:center;gap:16px;padding:16px 18px;display:flex}.history-item div{gap:4px;display:grid}.history-item small{color:var(--muted)}.history-score{color:var(--teal);white-space:nowrap;font-weight:700}.history-score em{color:var(--muted);margin-left:6px;font-style:normal;font-weight:400}.inline-error{border-left:3px solid var(--coral);text-align:left;background:#fff0ee;border-radius:0 9px 9px 0;max-width:540px;margin:24px auto 0;padding:14px 16px;color:#9d4037!important;font-size:14px!important}.topic-page{padding:clamp(58px,10vw,108px) 0 80px}.intro{max-width:590px}.kicker,.card-eyebrow{color:var(--coral);letter-spacing:.16em;font-size:11px;font-weight:800}h1,h2,p{margin-top:0}h1{color:var(--ink);letter-spacing:-.055em;margin:16px 0 18px;font-size:clamp(36px,6vw,64px);line-height:1.02}.intro p,.results-lead{color:var(--muted);font-size:17px;line-height:1.75}.spanish-help{color:var(--teal);margin-top:7px;font-size:13px;display:block}.topic-grid{grid-template-columns:repeat(2,1fr);gap:16px;margin-top:54px;display:grid}.topic-card{text-align:left;border:1px solid var(--line);min-height:190px;color:var(--ink);background:var(--surface);cursor:pointer;border-radius:18px;align-items:flex-start;gap:18px;padding:27px;transition:transform .2s,box-shadow .2s,border-color .2s;display:flex;position:relative}.topic-card:hover{border-color:var(--coral);transform:translateY(-4px);box-shadow:0 14px 32px #1e302d1a}.topic-icon{background:var(--mint);width:44px;height:44px;color:var(--teal);border-radius:12px;flex:none;place-items:center;font-size:23px;display:grid}.topic-card-copy{flex-direction:column;gap:10px;padding-right:22px;display:flex}.topic-card strong{letter-spacing:-.04em;font-size:23px}.topic-card-copy>span:last-child{color:var(--muted);font-size:14px;line-height:1.5}.topic-card-copy small{color:var(--teal);font-size:11px}.arrow{color:var(--coral);font-size:22px;position:absolute;bottom:22px;right:23px}.tip-card{background:var(--wash);border-radius:14px;align-items:flex-start;gap:16px;margin-top:43px;padding:20px 22px;display:flex}.tip-icon{color:var(--teal);font-size:22px}.tip-card strong{color:var(--ink);margin-bottom:4px;font-size:14px;display:block}.tip-card p{color:var(--muted);font-size:13px}.quiz-page{max-width:780px;padding:38px 0 80px}.quiz-header,.quiz-meta,.quiz-actions{justify-content:space-between;align-items:center;display:flex}.back-link{color:var(--muted);cursor:pointer;background:0 0;border:0;padding:0;font-size:14px}.back-link:hover{color:var(--ink)}.quiz-meta{color:var(--teal);text-align:right;gap:22px;font-size:13px;font-weight:700}.quiz-meta small{color:var(--muted);font-size:10px;font-weight:400;display:block}.quiz-meta em{color:var(--muted);font-style:normal;font-weight:400}.progress-track{background:var(--line);border-radius:8px;height:5px;margin:28px 0 38px;overflow:hidden}.progress-track span{border-radius:inherit;background:var(--coral);height:100%;transition:width .3s;display:block}.question-card{border:1px solid var(--line);background:var(--surface);border-radius:20px;padding:clamp(25px,5vw,48px)}.question-label{color:var(--coral);letter-spacing:.13em;justify-content:space-between;font-size:11px;font-weight:800;display:flex}.question-label span:last-child{color:var(--muted);letter-spacing:.04em;font-weight:500}.question-card h1{max-width:660px;margin:30px 0 34px;font-size:clamp(28px,4vw,44px)}.question-help{color:var(--muted);margin:-18px 0 25px;font-size:13px;line-height:1.6}.question-help span{color:var(--teal)}.choices{gap:11px;display:grid}.choice{border:1px solid var(--line);width:100%;color:var(--ink);text-align:left;font:inherit;cursor:pointer;background:#fff;border-radius:11px;align-items:center;gap:14px;padding:15px 17px;font-size:15px;transition:all .2s;display:flex}.choice:hover:not(:disabled),.choice.selected{border-color:var(--teal);background:#f1f8f5}.choice-letter{width:26px;height:26px;color:var(--teal);background:var(--mint);border-radius:7px;flex:none;place-items:center;font-size:12px;font-weight:800;display:grid}.choice-status{margin-left:auto;font-size:18px;font-weight:800}.choice.correct{background:#eaf7ef;border-color:#6baf8d}.choice.correct .choice-letter{color:#257347;background:#ccebd8}.choice.wrong{background:#fff0ee;border-color:#d98e88}.choice.wrong .choice-letter{color:#b04d45;background:#f7d4d0}.feedback{border-left:3px solid var(--teal);background:var(--wash);border-radius:0 9px 9px 0;margin-top:23px;padding:17px 18px}.feedback-wrong{border-color:var(--coral)}.feedback strong{color:var(--ink);font-size:14px}.feedback p{color:var(--muted);margin:4px 0 0;font-size:14px;line-height:1.55}.quiz-actions{margin-top:26px}.button{font:inherit;cursor:pointer;border:1px solid #0000;border-radius:9px;padding:13px 20px;font-size:14px;font-weight:700}.button-primary{color:#fff;background:var(--teal);box-shadow:0 5px 12px #1a5e5429}.button-primary:hover:not(:disabled){background:#14594f;transform:translateY(-1px)}.button-primary:disabled{opacity:.45;cursor:not-allowed}.button-primary span{margin-left:13px;font-size:17px}.button-quiet{color:var(--muted);background:0 0}.button-quiet:hover{color:var(--ink)}.unanswered-note{color:var(--coral);text-align:right;margin:14px 0 0;font-size:12px}.results-page{text-align:center;max-width:700px;padding:clamp(65px,10vw,110px) 0}.results-page h1{margin-bottom:14px}.score-card{border:1px solid var(--line);background:var(--surface);text-align:left;border-radius:18px;align-items:center;gap:25px;max-width:490px;margin:50px auto 34px;padding:28px;display:flex}.score-ring{border:9px solid var(--mint);border-right-color:var(--coral);width:112px;height:112px;color:var(--teal);border-radius:50%;flex-direction:row;flex:none;justify-content:center;align-items:baseline;display:flex}.score-ring strong{letter-spacing:-.08em;font-size:40px}.score-ring span{color:var(--muted);font-size:16px}.score-card h2{color:var(--ink);letter-spacing:-.03em;margin:8px 0 4px;font-size:21px}.score-card p{color:var(--muted);margin:0;font-size:13px;line-height:1.6}.results-actions{justify-content:center;gap:15px;display:flex}.footer{border-top:1px solid var(--line);color:var(--muted);letter-spacing:.14em;justify-content:space-between;padding:21px 5vw;font-size:10px;display:flex}.footer span:last-child{letter-spacing:.03em}button:focus-visible{outline:3px solid var(--gold);outline-offset:3px}@media (width<=620px){.header-note,.account-menu>span{display:none}.topic-grid{grid-template-columns:1fr;margin-top:37px}.topic-card{min-height:155px}.quiz-page{padding-top:27px}.question-card h1{margin-top:26px}.quiz-actions{gap:8px}.quiz-actions .button{padding-inline:14px}.results-page{padding-top:60px}.score-card{text-align:center;flex-direction:column}.results-actions{flex-direction:column}.footer{margin-top:auto}}