@import"https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Inter:wght@400;500;600;700&family=Noto+Sans+SC:wght@400;500;600;700&display=swap";:root{font-family:Inter,Noto Sans SC,sans-serif;color:#17202d;background:#f4f7fb;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}body{margin:0;min-width:320px;background:#f4f7fb}button,input{font:inherit}button{cursor:pointer}.app-shell{min-height:100vh;background:#f4f7fb}.topbar{height:66px;border-bottom:1px solid #e5e9ef;background:#ffffffd6;display:flex;align-items:center;justify-content:space-between;padding:0 28px}.setup-topbar{background:transparent;border-bottom-color:transparent}.brand-lockup{display:flex;align-items:center;gap:11px}.brand-mark{display:grid;place-items:center;width:33px;height:33px;border-radius:10px;background:#1f6d5a;box-shadow:0 5px 12px #1f6d5a33;overflow:hidden}.brand-mark svg{width:29px;height:29px;display:block}.owl-ear{fill:#dff1e9}.owl-face{fill:#f8f3df}.owl-eye-ring{fill:#fff;stroke:#1f6d5a;stroke-width:1.5}.owl-eye{fill:#263d43}.owl-beak{fill:#e2aa62}.owl-book{fill:none;stroke:#77a998;stroke-width:1.7;stroke-linecap:round}.brand-name{font-size:15px;font-weight:700;letter-spacing:-.02em}.brand-caption{color:#8c96a5;font-size:10px;margin-top:2px}.topbar-actions,.practice-actions{display:flex;align-items:center;gap:8px}.icon-button,.fullscreen-button{border:1px solid #dce3eb;background:#fff;color:#485566;border-radius:7px;width:34px;height:34px}.icon-button:hover,.fullscreen-button:hover{border-color:#9db7ae;color:#1f6d5a}.setup-content{width:min(1150px,calc(100% - 64px));margin:0 auto;padding:72px 0 52px;display:grid;grid-template-columns:.91fr 1.09fr;gap:74px;align-items:center}.setup-intro{padding:0 0 12px 8px}.eyebrow,.stage-note,.panel-kicker{font-family:DM Mono,monospace;text-transform:uppercase;letter-spacing:.1em;font-size:11px;color:#6a998d}.setup-intro h1{margin:18px 0 20px;font-size:clamp(42px,5vw,68px);line-height:1.1;letter-spacing:-.055em;font-weight:600}.setup-intro h1 span{color:#1f6d5a}.setup-intro p{max-width:430px;color:#798493;font-size:16px;line-height:1.8;margin:0}.intro-metrics{display:flex;gap:34px;margin-top:45px}.intro-metrics div{display:grid;gap:5px}.intro-metrics strong{font-size:24px;color:#273b45}.intro-metrics span{color:#9aa4b1;font-size:12px}.selection-panel{background:#fff;border:1px solid #e5e9ef;box-shadow:0 18px 45px #20384e12;border-radius:8px;padding:31px}.panel-heading{display:flex;align-items:flex-start;justify-content:space-between;padding-bottom:23px;border-bottom:1px solid #edf0f3}.panel-heading h2{margin:8px 0 0;font-size:23px;letter-spacing:-.04em}.panel-step{color:#9aa4b1;font:12px DM Mono,monospace;margin-top:4px}.selection-block{margin-top:23px}.selection-block label{display:block;color:#687483;font-size:12px;font-weight:600;margin-bottom:11px}.option-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.choice-button{border:1px solid #e4e9ee;border-radius:6px;background:#fff;text-align:left;padding:12px 13px;color:#334150;transition:.2s ease}.choice-button span{display:block;font-size:14px;font-weight:600}.choice-button small{display:block;color:#9aa4b1;font-size:10px;margin-top:5px}.choice-button:hover{border-color:#a3c2b8;background:#f9fcfb}.choice-button.selected{border-color:#1f6d5a;background:#edf7f3;box-shadow:inset 0 0 0 1px #1f6d5a;color:#1f6d5a}.choice-button.selected small{color:#5d9282}.segmented-control button:disabled{cursor:not-allowed;color:#c4cbd2;background:transparent}.segmented-control button:disabled:hover{color:#c4cbd2}.segmented-control{display:flex;border:1px solid #e1e6ec;border-radius:6px;padding:3px;gap:3px;background:#f9fafb}.segmented-control button{flex:1;border:0;background:transparent;border-radius:4px;color:#7e8895;padding:9px 10px;font-size:13px}.segmented-control button.selected{color:#1f6d5a;background:#fff;box-shadow:0 2px 6px #1f3d4614;font-weight:600}.volume-control,.practice-mode-control{flex-wrap:wrap}.volume-control button,.practice-mode-control button{min-width:58px}.selection-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.compact-block{margin-top:20px}.volume-control button{padding:8px}.select-like{height:38px;border:1px solid #e1e6ec;border-radius:6px;display:flex;align-items:center;justify-content:space-between;padding:0 12px;font-size:13px;color:#465361;background:#fff}.select-like span:last-child{color:#a4acb7;font-size:18px}.selection-summary{display:flex;align-items:center;gap:11px;margin-top:25px;padding:13px;background:#f7faf9;border:1px solid #e1eee9;border-radius:6px}.summary-icon{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:#dff1e9;color:#1f6d5a}.selection-summary strong,.selection-summary span{display:block}.selection-summary strong{font-size:12px;color:#355e53}.selection-summary span{color:#82968f;font-size:11px;margin-top:3px}.start-button{width:100%;border:0;border-radius:6px;background:#1f6d5a;color:#fff;margin-top:17px;padding:14px 16px;display:flex;justify-content:space-between;align-items:center;font-weight:600;box-shadow:0 8px 16px #1f6d5a33}.start-button:hover{background:#185747;transform:translateY(-1px)}.start-button:disabled{cursor:not-allowed;background:#aebdb8;box-shadow:none;transform:none}.setup-footer{width:min(1150px,calc(100% - 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40px));text-align:center}.answer-popover{position:absolute;left:50%;bottom:calc(100% + 7px);z-index:2;transform:translate(-50%);width:max-content;min-width:190px;max-width:min(760px,calc(100vw - 24px));padding:13px 16px 12px;border:1px solid #d9c9ef;border-radius:9px;background:#fff;box-shadow:0 9px 20px #36284f1f}.answer-popover:after{content:"";position:absolute;left:50%;bottom:-6px;width:10px;height:10px;background:#fff;border-right:1px solid #d9c9ef;border-bottom:1px solid #d9c9ef;transform:translate(-50%) rotate(45deg)}.answer-popover-heading{display:flex;align-items:center;justify-content:space-between;color:#9362c8;font-size:11px;margin-bottom:10px}.answer-popover-heading button{border:0;background:transparent;color:#9c91aa;font-size:18px;line-height:1;padding:0 1px;cursor:pointer}.answer-popover-heading button:hover{color:#6e4e91}.answer-popover button{position:relative;z-index:1;border:0;background:transparent;color:#9c91aa;font-size:18px;line-height:1;padding:0 1px;cursor:pointer;pointer-events:auto}.answer-token-list{display:flex;align-items:flex-start;justify-content:center;gap:8px;flex-wrap:wrap;max-width:calc(100vw - 56px)}.answer-token{min-width:66px;display:grid;justify-items:center;gap:4px}.answer-token-phonetic{min-height:18px;color:#4e5965;font:13px/1 DM Mono,monospace;white-space:nowrap}.answer-token-role{min-width:39px;padding:3px 6px;border-radius:4px;color:#fff;font-size:10px;line-height:1.1;text-align:center}.answer-token-role-0{background:#7b57ba}.answer-token-role-1{background:#d26892}.answer-token-role-2{background:#5ca489}.answer-token-role-3{background:#6e9acb}.answer-token strong{color:#1f2731;font-size:25px;line-height:1.05;font-weight:700}.answer-token-meaning{color:#626d77;font-size:12px;white-space:nowrap}.answer-translation{margin-top:13px;padding-top:11px;border-top:1px solid #eef0f3;color:#4c5660;font-size:14px;text-align:center;white-space:normal}.answer-composer{position:relative;min-height:78px;display:flex;align-items:flex-end;justify-content:center;cursor:text}.answer-slots{width:100%;min-height:70px;display:flex;align-items:flex-end;justify-content:center;gap:16px;flex-wrap:wrap;padding:4px 12px 10px}.word-slot-wrap{position:relative;display:inline-block;min-height:50px;border-bottom:3px solid #cbd3da;transition:.2s ease}.word-slot-wrap.active{border-bottom-color:#9b62df;box-shadow:0 8px 0 -5px #e4d7f6}.word-slot-wrap.filled .word-slot-display{color:#2f7463}.word-slot-wrap.correct{border-bottom:3px solid #6db29e!important;box-shadow:0 8px 0 -5px #cfe9df!important}.word-slot-wrap.correct .word-slot-display{color:#238f6f}.word-slot-wrap.wrong{border-bottom:3px solid #d98b82!important;box-shadow:0 8px 0 -5px #f2d9d5!important}.word-slot-wrap.wrong .word-slot-display{color:#c66b5f}.word-slot-display{position:absolute;left:0;right:0;bottom:10px;z-index:1;overflow:visible;color:#34434b;font-size:clamp(28px,3.4vw,48px);line-height:1.05;text-align:center;white-space:nowrap;pointer-events:none}.word-slot-input{position:relative;z-index:2;display:block;width:100%;min-width:0;height:50px;border:0;outline:0;padding:0 5px 10px;background:transparent;color:transparent!important;-webkit-text-fill-color:transparent!important;font-size:clamp(28px,3.4vw,48px);line-height:1.05;text-align:center;caret-color:#9b62df}.word-slot-wrap.correct .word-slot-input{caret-color:#238f6f}.word-slot-wrap.wrong .word-slot-input{caret-color:#c66b5f}.word-slot-input:disabled{cursor:default;opacity:.72}.slot-space{width:1px}.slot-punctuation{color:#171e26;font-size:clamp(29px,3.5vw,50px);line-height:1;padding-bottom:8px}.revealed-answer{width:100%;border-bottom:3px solid #a8b9c3;background:transparent;outline:none;text-align:center;padding:6px 12px 12px;color:#1f6d5a;font-size:clamp(29px,4vw,54px);letter-spacing:.015em;font-weight:600}.revealed-answer.correct{color:#1f6d5a;border-color:#6db29e}.revealed-answer.wrong{color:#cd6a5e;border-color:#e6aaa2}.example-line{color:#a9b2bc;margin-top:23px;font-size:13px;letter-spacing:.01em}.result-message{margin-top:13px;font-size:12px}.result-message.correct{color:#23906f}.result-message.wrong{color:#c66b5f}.practice-footer{height:64px;border-top:1px solid #e7ebef;display:flex;align-items:center;justify-content:space-between;padding:0 25px;background:#ffffffbd}.footer-arrow{width:35px;height:35px;border:1px solid #dbe3e8;background:#fff;border-radius:6px;font-size:24px;color:#70808a}.footer-arrow:hover{border-color:#99bcb0;color:#1f6d5a}.footer-nav{display:inline-flex;align-items:center;gap:7px;border:1px solid #dbe3e8;border-radius:6px;background:#fff;color:#5f6d78;padding:8px 11px;font-size:12px}.footer-nav span:first-child{font-size:18px;line-height:12px;color:#1f6d5a}.footer-next span:last-child{font-size:18px;line-height:12px;color:#1f6d5a}.footer-nav:hover{border-color:#99bcb0;color:#1f6d5a}.footer-hints{display:flex;gap:22px;color:#9da7b2;font-size:11px}kbd{border:1px solid #dfe5e9;border-bottom-width:2px;border-radius:4px;background:#fff;padding:2px 5px;margin-right:5px;color:#6f7d88;font:10px DM Mono,monospace}.paused{filter:saturate(.7)}.pause-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-content:center;text-align:center;gap:8px;background:#f4f7fbc4;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);color:#44525c}.pause-overlay span{font-size:22px;color:#1f6d5a}.pause-overlay strong{font-size:16px}.pause-overlay small{color:#8d9aa6}.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%);background:#26343b;color:#fff;border-radius:5px;padding:10px 15px;font-size:12px;box-shadow:0 8px 20px #16232a2e;z-index:5}@media(max-width:900px){.setup-content{grid-template-columns:1fr;gap:34px;padding-top:36px}.setup-intro{padding-left:0}.setup-intro h1{font-size:49px}.practice-title{margin-left:0}.tool-button span{display:none}}@media(max-width:620px){.topbar{height:58px;padding:0 16px}.setup-content{width:calc(100% - 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