:root{font-family:-apple-system,BlinkMacSystemFont,Apple SD Gothic Neo,sans-serif;background:#fff9cf;color:#322727}*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0;min-height:100vh;padding:max(22px,env(safe-area-inset-top)) 18px max(28px,env(safe-area-inset-bottom))}#app{width:min(100%,520px);margin:auto}header{text-align:center;padding:8px 0 15px}.bubble{display:inline-block;background:#fee500;padding:9px 14px;border-radius:20px;font-weight:800;font-size:.9rem}h1{font-size:2rem;margin:15px 0 3px}header p{margin:0;color:#746563}.status{background:#fff;border-radius:16px;padding:15px 17px;display:flex;justify-content:space-between;box-shadow:0 6px 20px #6b550514}.grid{display:grid;grid-template-columns:1fr 1fr;gap:13px;margin-top:16px}.subject{border:0;background:#fff;border-radius:20px;padding:25px 10px;box-shadow:0 7px 22px #6b55051a}.subject span{display:block;font-size:2.15rem}.subject b{display:block;font-size:1.08rem;margin:8px 0 3px}.subject small{color:#8b7e7a}.subject.done{outline:3px solid #f2c900}.subject.done:after{content:" ✓";color:#997d00}button{font:inherit;cursor:pointer}footer button,#feedback button{width:100%;border:0;border-radius:14px;padding:16px;font-weight:900;background:#fee500;color:#3c1e1e;margin-top:14px}.back{border:0;background:#eee9cf;border-radius:20px;padding:10px 14px}.label{text-align:center;color:#8d7400;font-weight:900}h2{text-align:center;line-height:1.55;font-size:1.22rem;background:#fff;padding:22px 14px;border-radius:18px}.options{display:grid;gap:11px}.options button{border:2px solid #eee6bc;background:#fff;border-radius:14px;padding:15px;font-size:.98rem}.options .correct{background:#dcf7e8;border-color:#36c58b}.options .wrong{background:#ffe3e3;border-color:#ef6464}#feedback{background:#fff;border-radius:18px;padding:18px;margin-top:16px;line-height:1.65}#feedback button:last-child{background:#3c1e1e;color:#fff}.loading{text-align:center;padding:70px 0;color:#796f69}