.train-game{user-select:none;-webkit-user-select:none;display:flex;flex-direction:column;align-items:center;height:100%;overflow:hidden;padding:.5rem .75rem;gap:.5rem}.carriage-cell{display:flex;align-items:flex-end}.train-prompt{font-size:1.25rem;font-weight:800;text-align:center}.train-score{font-size:1rem;font-weight:800;color:var(--color-accent)}.train-wrapper{display:flex;align-items:flex-end;justify-content:center;gap:0;overflow-x:auto;padding:.5rem .5rem 1.5rem;max-width:100%;-webkit-overflow-scrolling:touch}.locomotive{display:flex;flex-direction:column;align-items:center;flex-shrink:0}.locomotive-body{width:60px;height:55px;background:#e74c3c;border-radius:8px 8px 0 0;position:relative;display:flex;align-items:center;justify-content:center}.locomotive-body:before{content:"";position:absolute;top:-16px;left:50%;transform:translate(-50%);width:16px;height:16px;background:#c0392b;border-radius:3px}.locomotive-body:after{content:"";position:absolute;top:-22px;left:50%;transform:translate(-50%);width:0;height:0;border-left:6px solid transparent;border-right:6px solid transparent;border-bottom:8px solid #95A5A6;opacity:.5}.locomotive-face{font-size:1.5rem;line-height:1}.wheels{display:flex;gap:12px;padding:3px 8px;background:#7f8c8d;border-radius:0 0 3px 3px}.wheel{width:14px;height:14px;background:#2c3e50;border-radius:50%;border:2px solid #34495E}.carriages-row{display:flex;align-items:flex-end}.connector{width:6px;height:4px;background:#7f8c8d;flex-shrink:0;margin-bottom:10px}.carriage{width:55px;height:50px;background:#3498db;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:1.5rem;font-weight:900;color:#fff;position:relative;flex-shrink:0}.carriage.empty{background:#ecf0f1;border:3px dashed #BDC3C7;color:#bdc3c7;cursor:pointer;animation:pulse-empty 1.5s ease-in-out infinite}.carriage.empty.wrong{animation:shake-carriage .4s ease-in-out;border-color:#e74c3c}.carriage.filled{background:#27ae60;animation:pop-in .3s ease-out}.carriage-wheels{position:absolute;bottom:-10px;left:50%;transform:translate(-50%);display:flex;gap:14px}.carriage-wheel{width:12px;height:12px;background:#2c3e50;border-radius:50%;border:2px solid #34495E}@keyframes pulse-empty{0%,to{border-color:#bdc3c7}50%{border-color:#f39c12}}@keyframes shake-carriage{0%,to{transform:translate(0)}20%{transform:translate(-8px)}40%{transform:translate(8px)}60%{transform:translate(-5px)}80%{transform:translate(5px)}}@keyframes pop-in{0%{transform:scale(.8)}60%{transform:scale(1.1)}to{transform:scale(1)}}.tracks{display:flex;gap:0;padding:0 .5rem;max-width:100%;overflow-x:auto}.track-segment{width:55px;height:8px;background:repeating-linear-gradient(90deg,#7F8C8D 0px,#7F8C8D 8px,transparent 8px,transparent 16px);position:relative;flex-shrink:0}.track-segment:before,.track-segment:after{content:"";position:absolute;left:0;right:0;height:3px;background:#95a5a6}.track-segment:before{top:0}.track-segment:after{bottom:0}.track-segment.loco-track{width:60px}.options-area{display:flex;flex-direction:column;align-items:center;gap:.75rem;margin-top:auto;padding-bottom:.75rem}.options-label{font-size:1rem;font-weight:800;text-align:center}.options-row{display:flex;gap:1rem;justify-content:center}.option-btn{width:70px;height:70px;border-radius:50%;font-size:2rem;font-weight:900;border:4px solid transparent;cursor:pointer;touch-action:manipulation;transition:transform .15s,border-color .15s,box-shadow .15s;display:flex;align-items:center;justify-content:center}.option-btn.opt-0{background:#ff6b6b;color:#fff}.option-btn.opt-1{background:#4ecdc4;color:#fff}.option-btn.opt-2{background:#ffd93d;color:var(--color-text)}.option-btn:active{transform:scale(.95)}.option-btn.selected{border-color:#f1c40f;transform:scale(1.15);box-shadow:0 0 20px #f1c40f99}.option-btn.used{opacity:.3;pointer-events:none}.next-round-btn{padding:1rem 2.5rem;background:var(--color-success);color:#fff;border-radius:var(--radius-full);font-size:1.5rem;box-shadow:0 4px 12px #0003;transition:transform .15s}.next-round-btn:active{transform:scale(.95)}.drag-ghost{position:fixed;width:70px;height:70px;border-radius:50%;font-size:2rem;font-weight:900;display:flex;align-items:center;justify-content:center;pointer-events:none;z-index:100;opacity:.9;transform:translate(-50%,-50%)}@media(min-width:768px){.train-game{height:100%;padding:1rem;gap:1rem}.train-prompt{font-size:1.5rem}.train-score{font-size:1.25rem}.train-wrapper{padding:1rem .5rem 2rem}.locomotive-body{width:80px;height:70px}.locomotive-body:before{top:-20px;width:20px;height:20px}.locomotive-body:after{top:-28px;border-left-width:8px;border-right-width:8px;border-bottom-width:10px}.locomotive-face{font-size:2rem}.wheels{gap:20px;padding:4px 10px}.wheel{width:18px;height:18px}.connector{width:8px;height:6px;margin-bottom:12px}.carriage{width:80px;height:65px;font-size:2rem;border-radius:8px}.carriage.empty{border-width:4px}.carriage-wheels{bottom:-14px;gap:24px}.carriage-wheel{width:16px;height:16px}.track-segment,.track-segment.loco-track{width:80px}.options-area{gap:1rem;padding-bottom:1rem}.options-label{font-size:1.25rem}.options-row{gap:1.5rem}.option-btn,.drag-ghost{width:80px;height:80px;font-size:2rem}}