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shake{0%,to{transform:translate(0)}20%{transform:translate(-5px)}60%{transform:translate(5px)}}.listening-center{display:flex;flex-direction:column;align-items:center;gap:6px;padding:10px 0}.speaker-btn{width:80px;height:80px;border-radius:50%;background:var(--blue);color:#fff;border:none;cursor:pointer;transition:transform .15s,box-shadow .15s;display:flex;align-items:center;justify-content:center;box-shadow:0 5px 0 var(--blue-dark)}.speaker-btn:hover{transform:scale(1.07)}.speaker-btn:active{transform:translateY(4px);box-shadow:0 1px 0 var(--blue-dark)}.listening-hint{font-size:12px;color:var(--gray-400);font-weight:600}.feedback-banner{padding:16px 20px;display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;animation:slide-up .18s ease both;border-radius:var(--radius) var(--radius) 0 0}.feedback-banner.correct{background:var(--green-light);color:var(--green-dark)}.feedback-banner.wrong{background:#ffe0e0;color:var(--red-dark)}.feedback-icon{font-size:22px}@keyframes slide-up{0%{transform:translateY(100%);opacity:0}to{transform:translateY(0);opacity:1}}.completion-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:48px 24px;text-align:center;background:linear-gradient(160deg,#e8f5e9,#e3f2fd);max-width:var(--max-w);margin:0 auto}.completion-animation{font-size:80px;animation:pop .5s ease;margin-bottom:16px}@keyframes pop{0%{transform:scale(0)}70%{transform:scale(1.2)}to{transform:scale(1)}}.completion-title{font-size:36px;font-weight:900;color:var(--green)}.completion-lesson{color:var(--gray-600);font-size:18px;font-weight:600;margin-top:4px;margin-bottom:32px}.completion-stats{display:flex;gap:16px;margin-bottom:40px}.stat-card{flex:1;background:#fff;border-radius:var(--radius);padding:20px 12px;box-shadow:0 4px 20px #00000014}.stat-value{font-size:28px;font-weight:900}.stat-label{font-size:12px;font-weight:700;color:var(--gray-600);margin-top:4px;text-transform:uppercase;letter-spacing:.5px}.continue-btn{width:100%;max-width:320px;padding:18px;background:var(--green);color:#fff;border:none;border-radius:var(--radius-sm);font-family:var(--font);font-size:18px;font-weight:800;cursor:pointer;box-shadow:0 4px 0 var(--green-dark);transition:all .15s}.continue-btn:hover{transform:translateY(-2px);box-shadow:0 6px 0 var(--green-dark)}.continue-btn:active{transform:translateY(2px);box-shadow:0 2px 0 var(--green-dark)}.dg-wrap{position:absolute;z-index:200;pointer-events:none;transform:translate(-50%,-50%);animation:dg-popup 1.3s ease-out forwards;filter:drop-shadow(0 6px 12px rgba(0,0,0,.25))}@keyframes dg-popup{0%{opacity:1;transform:translate(-50%,-50%) scale(0) rotate(-15deg)}15%{transform:translate(-50%,-50%) scale(1.3) rotate(5deg)}25%{transform:translate(-50%,-50%) scale(1) rotate(0)}80%{opacity:1}to{opacity:0;transform:translate(-50%,-60%) scale(.8)}}.dg-svg{display:block;animation:dg-sway .42s ease-in-out infinite alternate;overflow:visible}@keyframes dg-sway{0%{transform:translateY(0) rotate(-3deg)}to{transform:translateY(-13px) rotate(3deg)}}.dg-arm-left{transform-origin:44px 132px;animation:dg-arm-l-s .42s ease-in-out infinite alternate}@keyframes dg-arm-l-s{0%{transform:rotate(-18deg)}to{transform:rotate(16deg)}}.dg-arm-right{transform-origin:96px 132px;animation:dg-arm-r-s .42s ease-in-out infinite alternate}@keyframes dg-arm-r-s{0%{transform:rotate(18deg)}to{transform:rotate(-16deg)}}.dg-leg-left{transform-origin:54px 180px;animation:dg-leg-l-s .42s ease-in-out infinite alternate}@keyframes dg-leg-l-s{0%{transform:rotate(-15deg)}to{transform:rotate(15deg)}}.dg-leg-right{transform-origin:86px 180px;animation:dg-leg-r-s .42s ease-in-out infinite alternate}@keyframes dg-leg-r-s{0%{transform:rotate(15deg)}to{transform:rotate(-15deg)}}@media (max-width: 480px){.auth-card{padding:28px 20px}.options-grid{grid-template-columns:1fr}.completion-stats{gap:10px}}@media (min-width: 580px){.lesson-screen{max-width:640px;min-width:540px}.auth-card{max-width:480px}.exercise-label{font-size:26px}.options-grid{gap:16px}.option-btn{padding:22px 16px;font-size:16px}.check-btn{padding:20px;font-size:18px}}