*{box-sizing:border-box}body{margin:0;background:#130d29;color:#eee5ff;font:15px/1.5 'Segoe UI',Arial,sans-serif}button,input,select{font:inherit}button{cursor:pointer}button:disabled{opacity:.5;cursor:default}button:focus-visible,select:focus-visible,a:focus-visible{outline:3px solid #f2ce81;outline-offset:4px}#student-root{max-width:930px;margin:0 auto;padding:20px 24px;background:radial-gradient(ellipse at top,#342251,transparent 60%);min-height:100vh}.st-top{display:flex;align-items:center;justify-content:space-between;gap:15px;padding-bottom:16px}.st-top a,.st-top button{border:1px solid #9172bb;border-radius:13px;color:#e7d7ff;background:#36264b;width:44px;height:44px;text-align:center;text-decoration:none;font-size:25px;line-height:40px}.st-top p{font-size:9px;letter-spacing:2px;color:#cfa4e8;margin:0;text-align:center}.st-top h1{font-size:34px;margin:2px 0;color:#fff1d2;text-shadow:0 2px #e27749}.st-demo{display:flex;justify-content:space-between;align-items:center;gap:14px;background:#fff2cb0d;border:1px solid #9c805344;border-radius:11px;padding:11px 15px;margin-bottom:15px}.st-demo>b{font-size:9px;letter-spacing:.5px;color:#e8c897}.st-demo label{font-size:9px;color:#bc9acb}.st-demo select{display:block;background:#2f2145;border:1px solid #785a97;color:#e4d0f9;border-radius:6px;padding:5px;font-size:10px;max-width:250px;margin-top:3px}.st-status{display:flex;align-items:center;gap:16px;font-size:11px;margin:8px 0 15px;color:#bfa6d2}.st-status span:first-child{display:flex;align-items:center;gap:6px;margin-right:auto}.st-status img{width:28px;height:28px;border-radius:8px}.st-status button{font-size:10px;background:#36234b;border:1px solid #705387;border-radius:7px;padding:6px 9px;color:#ddc7f2}.st-board{position:relative;aspect-ratio:864/790;width:100%;border:1px solid #765292;border-radius:17px;overflow:hidden;box-shadow:0 10px 50px #10091d}.st-board>img{width:100%;height:100%;position:absolute;inset:0;object-fit:cover}.st-board:after{content:'';position:absolute;inset:0;background:#190c2820;pointer-events:none}.st-mine{position:absolute;transform:translate(-50%,-50%);min-width:39px;min-height:38px;border:1px solid #82d2da;border-radius:10px;background:#174c65de;color:#e5feff;font-size:12px;font-weight:800;z-index:1;box-shadow:0 3px 10px #10132777}.st-mine.gold{background:#8d5519eb;border-color:#ffe4a0;color:#fff3cd}.st-mine.purple{background:#612ca4ec;border-color:#e8b2ff;color:#fff0ff;box-shadow:0 0 16px #c376b8a6}.st-mine.closed{filter:brightness(.7)}.st-mine.open{box-shadow:0 0 0 3px #63f4b5aa}.st-mine.selected{outline:3px solid #fff;outline-offset:3px}.st-mine img{position:absolute;top:-20px;right:-17px;width:32px;height:32px;border-radius:6px;border:1px solid #ffdb91;box-shadow:0 3px 8px #15102a}.st-detail{padding:22px;margin-top:18px;border:1px solid #8c64b9;border-radius:18px;background:linear-gradient(125deg,#35234d,#231734)}.st-detail-head{display:flex;align-items:center;gap:13px}.st-detail-head h2{font-size:22px;margin:0}.st-detail-head p{margin:3px 0;color:#bfa1d6;font-size:12px}.st-crystal{width:55px;height:55px;border-radius:12px;background:#246e88;font-size:38px;color:#8cfff7;text-align:center;line-height:55px;box-shadow:inset 0 0 15px #76eaf755}.st-crystal.gold{background:#9a5f21;color:#ffde7c}.st-crystal.purple{background:#6a349c;color:#f4b0ff;box-shadow:0 0 18px #c071ef55}.st-detail-stats{display:flex;gap:40px;padding:20px 0;color:#b39bc8}.st-detail-stats b{font-size:24px;color:#f1e5ff;margin-right:5px}.st-tip{font-size:11px;color:#b297c6;line-height:1.7;margin:8px 0 16px}.st-play{width:100%;border:2px solid #ffe18c;border-radius:16px;padding:15px;background:linear-gradient(#ffc448,#ef7b28);box-shadow:0 0 20px #f3903d33;color:#fff;font-size:24px;font-weight:800;text-shadow:0 1px #c77732}.st-play.secondary{font-size:16px;background:#4c3362;border-color:#826296}.st-holding{font-size:13px;color:#c2e5be}.st-error:empty,.st-message:empty{display:none}.st-error,.st-message{background:#663b4c;padding:10px 14px;border-radius:9px;font-size:12px;margin:10px 0}.st-message{background:#304d47;color:#c4eadb}.st-quiz{border:1px solid #79559e;background:#2a1c3f;border-radius:17px;padding:28px;margin-top:16px}.st-quiz-top{display:flex;justify-content:space-between;color:#c4a7dc;font-size:13px}.st-quiz-top strong{font-size:24px;color:#ffdc8a;font-variant-numeric:tabular-nums}.st-progress{height:6px;background:#1a1227;border-radius:8px;margin:14px 0 35px;overflow:hidden}.st-progress i{height:100%;display:block;background:#bb8bdf}.st-eyebrow{font-size:10px;letter-spacing:1.2px;color:#a588bf}.st-quiz h2{font-size:27px;font-weight:600;margin:15px 0 26px;line-height:1.6}.st-choices{display:grid;gap:12px;margin-bottom:25px}.st-choices button{display:flex;align-items:center;gap:14px;text-align:left;background:#3a2952;border:1px solid #795a9c;border-radius:13px;padding:14px;color:#f6ecff;font-size:18px}.st-choices button:hover{background:#51346f}.st-choices span{background:#5c3f7b;border-radius:8px;width:32px;height:32px;display:grid;place-items:center;color:#d4b7ef;font-size:12px}.st-cancel,.st-rank>button{background:transparent;border:1px solid #6d5085;color:#bda4cc;padding:8px 12px;border-radius:8px;font-size:11px}.st-rank{background:#302041;border:1px solid #775391;border-radius:16px;padding:25px}.st-rank h2{margin-top:0}.st-rank article{display:flex;align-items:center;gap:14px;padding:13px 0;border-bottom:1px solid #523767;font-size:13px}.st-rank img{width:35px;height:35px;border-radius:8px}.st-rank strong{margin-left:auto;color:#f9d88d}.st-rank>button{margin-top:20px}footer{font-size:9px;color:#8c739c;margin:18px 4px 8px;line-height:1.7}@media(max-width:600px){#student-root{padding:16px 12px}.st-top h1{font-size:25px}.st-top p{font-size:7px;letter-spacing:1.4px}.st-top a,.st-top button{width:35px;height:35px;line-height:31px;font-size:22px}.st-demo{align-items:flex-start;flex-direction:column;padding:10px 12px;gap:7px}.st-demo label{display:flex;align-items:center;gap:10px;width:100%}.st-demo select{flex:1;min-width:0}.st-status{font-size:9px;gap:8px}.st-status img{width:24px;height:24px}.st-status button{font-size:9px;padding:5px 7px}.st-mine{font-size:9px;min-width:29px;min-height:28px;border-radius:8px}.st-mine img{width:23px;height:23px;top:-15px;right:-12px}.st-detail{padding:17px}.st-detail-head h2{font-size:18px}.st-detail-head p{font-size:10px}.st-detail-stats{justify-content:space-between;gap:8px;font-size:11px}.st-detail-stats b{font-size:21px}.st-play{font-size:22px;padding:12px}.st-quiz{padding:20px}.st-quiz h2{font-size:22px}.st-choices button{font-size:16px;padding:12px}}

.st-gear{display:flex;gap:8px;flex-wrap:wrap;margin:16px 0}.st-gear button,.st-economy button{border:1px solid #9f7ab9;background:#39234f;color:#fff;border-radius:10px;padding:10px;cursor:pointer}.st-gear button:disabled,.st-economy button:disabled{opacity:.45;cursor:default}.st-economy{border:1px solid #765492;border-radius:18px;padding:16px;margin:18px 0;background:#241631}.st-economy summary{cursor:pointer;font-weight:700}.st-economy p{font-size:13px;line-height:1.5}.st-inventory{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.st-inventory span{font-size:12px;padding:8px;background:#3d2852;border-radius:8px}