:root{color:#f5f5f5;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#05070b;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-weight:400;line-height:1.5}*{box-sizing:border-box}html,body,#root{min-height:100vh;margin:0}body{background:#05070b;margin:0}button,input,select{font:inherit}.app-shell{color:#f4f4f5;background:#05070b;justify-content:center;align-items:flex-start;min-height:100vh;padding:18px 16px 28px;display:flex}.trainer-wrap{width:min(100%,760px)}h1{letter-spacing:-.04em;color:#f5f5f5;margin:0 0 18px;font-size:clamp(1.5rem,1.9vw,2.5rem);font-weight:500;line-height:1.1}.practice-panel{background:#3a3f47e6;border:1px solid #ffffff14;border-radius:12px;padding:12px 13px 13px;box-shadow:0 8px 20px #0000002e}.panel-header{background:#ffffff08;border-radius:8px;justify-content:space-between;align-items:center;margin-bottom:12px;padding:10px 12px;display:flex}.panel-header h2{letter-spacing:.02em;text-transform:none;color:#f3f4f6;margin:0;font-size:clamp(.9rem,1.3vw,1.3rem);font-weight:700}.panel-hint{color:#ffffffb8;font-size:.7rem;font-weight:400}.playback-controls{background:#ffffff08;border:1px solid #ffffff0f;border-radius:10px;flex-direction:column;gap:12px;margin:0 0 14px;padding:10px 12px;display:flex}.control-row{align-items:center;gap:8px;display:flex}.control-row>label:first-child{color:#ffffffb8;margin:0;font-size:.7rem;font-weight:400}.control-row label{cursor:pointer;-webkit-user-select:none;user-select:none;align-items:center;gap:8px;margin:0;display:flex}.control-row input[type=checkbox]{display:none}.toggle-label{cursor:pointer;-webkit-user-select:none;user-select:none;align-items:center;gap:10px;margin:0;display:flex}.toggle-slider{background:#fff3;border-radius:999px;width:32px;height:18px;transition:background .3s;display:inline-block;position:relative}.toggle-slider:after{content:"";background:#f5f5f5;border-radius:50%;width:14px;height:14px;transition:left .3s;position:absolute;top:2px;left:2px}.control-row input[type=checkbox]:checked+.toggle-slider{background:#7dd3fc}.control-row input[type=checkbox]:checked+.toggle-slider:after{left:16px}.toggle-text{color:#ffffffb8;font-size:.72rem;font-weight:400}.speed-slider-wrap{align-items:center;gap:12px;display:flex}.speed-slider-wrap input[type=range]{background:linear-gradient(to right, #7dd3fc 0, #7dd3fc var(--fill-percent), #ffffff29 var(--fill-percent), #ffffff29 100%);appearance:none;border-radius:999px;outline:none;flex:1;width:100%;height:6px}.speed-slider-wrap input[type=range]::-webkit-slider-runnable-track{background:0 0;border-radius:999px;height:6px}.speed-slider-wrap input[type=range]::-webkit-slider-thumb{appearance:none;cursor:pointer;background:#f5f5f5;border:2px solid #7dd3fc;border-radius:50%;width:14px;height:14px;margin-top:-4px;box-shadow:0 0 0 2px #7dd3fc40}.speed-slider-wrap input[type=range]::-moz-range-track{background:0 0;border-radius:999px;height:6px}.speed-slider-wrap input[type=range]::-moz-range-thumb{cursor:pointer;background:#f5f5f5;border:2px solid #7dd3fc;border-radius:50%;width:14px;height:14px;box-shadow:0 0 0 2px #7dd3fc40}.speed-slider-wrap span{text-align:right;color:#f4f4f5;min-width:42px;font-size:.72rem;font-weight:700}.answer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.answer-box{flex-direction:column;gap:6px;display:flex}.pronoun-label-row{justify-content:space-between;align-items:center;gap:8px;display:flex}.pronoun-label{color:#fffc;font-size:.72rem;font-weight:500}.pronoun-play-btn{color:#e2e8f0;cursor:pointer;background:linear-gradient(#ffffff1f,#ffffff0a);border:1px solid #94a3b873;border-radius:999px;justify-content:center;align-items:center;width:24px;height:24px;padding:0;transition:background .15s,transform .15s,border-color .15s,box-shadow .15s;display:inline-flex;box-shadow:0 0 0 1px #ffffff0a,inset 0 1px #ffffff1f}.pronoun-play-btn svg{width:10px;height:10px;display:block;transform:translate(1px)}.pronoun-play-btn:hover{background:linear-gradient(#60a5fa40,#3b82f61f);border-color:#93c5fdcc;transform:translateY(-1px);box-shadow:0 0 0 2px #3b82f62e,inset 0 1px #ffffff24}.pronoun-play-btn:active{background:linear-gradient(#3b82f633,#2563eb24);transform:translateY(0)}.answer-box input{color:#f4f4f5;box-sizing:border-box;background:#0a0c0ff5;border:1px solid #ffffff14;border-radius:8px;outline:none;width:100%;height:40px;padding:0 10px;font-size:.78rem}.answer-box input.correct{background:#22c55e1f;border-color:#22c55e99}.answer-box input.incorrect{background:#ef44441f;border-color:#ef444499}.answer-box input.neutral{background:#0a0c0ff5}.progress-block{color:#f5f5f5;flex-direction:column;align-items:center;margin:18px 0 14px;display:flex}.progress-label{letter-spacing:.18em;opacity:.88;font-size:.6rem;font-weight:700}.progress-count{margin-top:4px;font-size:clamp(1.2rem,1.4vw,1.7rem);font-weight:700}.bottom-controls{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:12px;display:grid}.select-group{color:#f5f5f5;flex-direction:column;gap:6px;font-size:.75rem;display:flex}.select-group span{margin-left:2px;font-weight:600}.select-group select{color:#f5f5f5;appearance:none;background-color:#12161be6;background-image:linear-gradient(45deg,#0000 50%,#ffffffb3 50%),linear-gradient(135deg,#ffffffb3 50%,#0000 50%);background-position:calc(100% - 16px) calc(50% - 2px),calc(100% - 12px) calc(50% - 2px);background-repeat:no-repeat;background-size:5px 5px,5px 5px;background-attachment:scroll;background-origin:padding-box;background-clip:border-box;border:1px solid #ffffff47;border-radius:10px;width:100%;height:38px;padding:0 16px;font-size:.8rem}.show-btn{color:#f5f5f5;cursor:pointer;background:#787d84a6;border:none;border-radius:10px;width:100%;height:40px;margin-top:16px;font-size:clamp(.9rem,1.2vw,1.3rem);font-weight:700;transition:background .2s}.show-btn:hover{background:#8c9198b8}@media (width<=760px){.answer-grid,.bottom-controls{grid-template-columns:1fr}.panel-header{flex-direction:column;align-items:flex-start;gap:8px}}