.ev-shell{--ev-ink:#183e32;--ev-muted:#718176;--ev-line:#dfe6dc;--ev-green:#507b47;max-width:1080px;margin:20px auto 44px;color:var(--ev-ink)}
.ev-shell *{box-sizing:border-box}.ev-header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 0 24px}.ev-header h1{font-size:24px;line-height:1.3;margin:5px 0 0;overflow-wrap:anywhere}.ev-header>span{font-size:13px;color:var(--ev-muted)}.ev-kicker{font-size:12px;letter-spacing:.06em;color:var(--ev-muted);margin:0 0 10px;line-height:1.6}.ev-steps{display:grid;grid-template-columns:repeat(4,1fr);padding:0;margin:0 0 22px;list-style:none;gap:12px}.ev-steps li{display:flex;align-items:center;gap:9px;padding:11px 0;border-top:2px solid var(--ev-line);font-size:13px;color:#758375}.ev-steps li>span{display:grid;place-items:center;width:23px;height:23px;flex-shrink:0;border-radius:50%;background:#edf0e9;font-size:11px}.ev-steps .is-active{border-color:var(--ev-green);color:var(--ev-ink);font-weight:700}.ev-steps .is-active>span,.ev-steps .is-done>span{background:#e7f0dc;color:#456e38}.ev-main{background:#fff;border:1px solid var(--ev-line);border-radius:26px;overflow:hidden;outline:none}.ev-word-card,.ev-typing-card,.ev-cloze-card{padding:clamp(24px,4vw,48px)}.ev-word-card>h2{font-size:clamp(36px,5vw,56px);line-height:1.2;margin:12px 0 14px;letter-spacing:-.025em;overflow-wrap:anywhere}.ev-pronunciation{display:flex;gap:14px;color:var(--ev-muted);font-size:15px}.ev-meaning{font-size:24px;font-weight:650;line-height:1.6;margin:23px 0}.ev-collocation{display:flex;align-items:center;flex-wrap:wrap;gap:14px;padding:15px 19px;border-radius:13px;background:#f5f7f0}.ev-collocation small{font-size:12px;color:var(--ev-muted)}.ev-collocation strong{font-size:18px;line-height:1.6;font-weight:500}.ev-word-card blockquote{margin:27px 0 20px;border-left:3px solid #ddc65b;padding:2px 0 2px 19px}.ev-word-card blockquote p{font-size:19px;line-height:1.75;margin:0}.ev-word-card blockquote footer{font-size:14px;color:var(--ev-muted);line-height:1.8;margin-top:9px}.ev-explanation{font-size:14px;line-height:1.9;color:#6b7d70;white-space:pre-line;margin:20px 0 28px}.ev-primary,.ev-quiet{appearance:none;font:inherit;cursor:pointer;border:none}.ev-primary{display:inline-flex;align-items:center;justify-content:center;gap:20px;min-height:48px;padding:12px 25px;background:#234b3a;color:#fff;border-radius:12px;font-size:14px;font-weight:650;line-height:1.5;transition:background .2s}.ev-primary:hover{background:#32604a}.ev-quiet{padding:10px 0;color:var(--ev-muted);background:transparent;font-size:13px}.ev-quiet:hover{color:var(--ev-ink)}.ev-shell button:focus-visible,.ev-shell a:focus-visible{outline:3px solid #dfc953;outline-offset:4px}.ev-shell button:disabled{cursor:default}.ev-task-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:18px}.ev-task-heading h2,.ev-cloze-card h2{font-size:clamp(23px,3vw,30px);line-height:1.5;margin:5px 0 12px}.ev-round{border:1px solid var(--ev-line);border-radius:999px;padding:7px 12px;font-size:10px;letter-spacing:.1em;color:var(--ev-muted)}.ev-typing-meaning{font-size:19px;line-height:1.8;margin:20px 0;color:#536d57}.ev-letter-line{border-radius:15px;padding:24px;background:#f5f7f0;min-height:99px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:clamp(25px,4vw,35px);line-height:1.65;letter-spacing:.035em;color:#879180;overflow-wrap:anywhere;white-space:pre-wrap}.ev-letter-line.is-recall{background:#f8f7f1}.ev-letter-line .is-correct{color:#397344}.ev-letter-line .is-wrong{color:#ba4c48;background:#fbe6e3;border-radius:3px}.ev-letter-line .is-cursor{border-bottom:2px solid #bdab43}.ev-empty{font-family:inherit;font-size:16px;color:#9b9e8f;letter-spacing:0}.ev-input-label{display:block;margin-top:26px;font-size:12px;color:var(--ev-muted)}.ev-input-label input{display:block;width:100%;margin-top:10px;min-height:59px;padding:15px 18px;border:1px solid #cdd9ca;border-radius:12px;font:22px/1.4 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:var(--ev-ink);background:white;outline:none}.ev-input-label input:focus{border-color:#6e9560;box-shadow:0 0 0 3px #e9f0df}.ev-feedback{min-height:25px;line-height:1.75;font-size:13px;color:#817147;margin:15px 0}.ev-feedback.is-success{color:#467346}.ev-typing-actions{display:flex;align-items:center;gap:24px;margin-top:15px}.ev-hint-note{font-size:13px;color:#8a804e;margin:12px 0}.ev-source{display:flex;align-items:center;gap:15px;color:#7d8879;font-size:12px;line-height:1.7;margin:15px 0}.ev-source a{color:#4e704a;text-decoration:none}.ev-cloze-prompt{font-size:15px;line-height:1.8;margin:22px 0 15px}.ev-passage{font-size:20px;line-height:1.9;padding:24px;border-radius:15px;background:#f5f7f0;white-space:normal;overflow-wrap:anywhere}.ev-options{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:24px 0}.ev-options button{display:flex;align-items:center;gap:15px;min-height:62px;padding:15px;border:1px solid var(--ev-line);background:#fff;border-radius:12px;text-align:left;cursor:pointer;color:var(--ev-ink)}.ev-options button>span{display:grid;place-items:center;width:28px;height:28px;border-radius:8px;background:#f3f5ee;color:#7c8874;font-size:12px;flex-shrink:0}.ev-options strong{font-size:18px;font-weight:500;overflow-wrap:anywhere}.ev-options button.is-selected{border-color:#76935e;background:#f1f5e9}.ev-options button.is-correct{border-color:#7da365;background:#ebf4e3}.ev-cloze-explanation{font-size:14px;line-height:1.9;color:#52674e;margin:0 0 24px;white-space:pre-line}.ev-footer{display:flex;justify-content:space-between;gap:16px;align-items:center;padding:13px 4px;color:#81907d;font-size:11px}.ev-finished{text-align:center;padding:48px 26px}.ev-finish-mark{display:grid;place-items:center;width:51px;height:51px;margin:0 auto 20px;background:#e6f0da;color:#547c3e;border-radius:50%;font-size:23px}.ev-finished h2{font-size:35px;margin:8px 0;overflow-wrap:anywhere}.ev-finished>p:not(.ev-kicker){color:var(--ev-muted);font-size:15px;line-height:1.8}.ev-next-card{max-width:400px;padding:24px;margin:30px auto 0;border-radius:16px;background:#f5f7ef}.ev-next-card small{color:var(--ev-muted);font-size:12px}.ev-next-card h3{font-size:24px;margin:10px 0}.ev-next-card p{font-size:14px;line-height:1.75;color:#64745e}.ev-next-card .ev-primary{margin-top:10px}.ev-shell a{overflow-wrap:anywhere}
@media(max-width:600px){.ev-shell{margin:8px 0 25px}.ev-header{padding:12px 0 18px}.ev-header h1{font-size:21px}.ev-header>span{font-size:11px}.ev-steps{gap:7px;margin-bottom:13px}.ev-steps li{font-size:10px;gap:4px;flex-direction:column;align-items:flex-start;line-height:1.4}.ev-steps li>span{width:21px;height:21px;font-size:10px}.ev-main{border-radius:19px}.ev-word-card,.ev-typing-card,.ev-cloze-card{padding:23px 20px}.ev-meaning{font-size:21px}.ev-collocation{padding:13px;gap:8px}.ev-collocation strong{font-size:16px}.ev-word-card blockquote p{font-size:17px}.ev-word-card blockquote{padding-left:13px}.ev-round{display:none}.ev-letter-line{padding:20px 15px;font-size:28px;min-height:89px}.ev-input-label input{font-size:21px;padding:13px}.ev-passage{font-size:17px;padding:18px}.ev-options{gap:9px}.ev-options button{padding:12px 10px;gap:8px;min-height:57px}.ev-options strong{font-size:15px}.ev-options button>span{width:22px;height:22px;font-size:10px}.ev-footer{font-size:10px}.ev-footer .ev-quiet{font-size:12px}.ev-primary{min-height:45px;padding:12px 19px}.ev-typing-actions{gap:19px}.ev-source{flex-wrap:wrap;gap:6px 14px}}
.ev-option-notes{margin:20px 0 0;border-top:1px solid var(--ev-line)}.ev-option-notes>div{padding:11px 0;border-bottom:1px solid var(--ev-line)}.ev-option-notes dt{font-size:14px;font-weight:650;color:#3a5d39}.ev-option-notes dd{font-size:13px;line-height:1.8;margin:4px 0 0;color:#6c7c66}
@media(prefers-reduced-motion:reduce){.ev-shell *{transition:none!important;scroll-behavior:auto!important}}

.ev-review-again{display:block;margin:19px auto 0}.ev-shell:focus{outline:none}

.ev-current-blank{padding:3px 7px;background:#f4df80;color:#35472d;border-radius:5px;font-weight:650;white-space:nowrap}.ev-source-support{margin-top:20px;border:1px solid var(--ev-line);border-radius:12px;padding:12px 16px}.ev-source-support summary{font-size:13px;cursor:pointer;color:#4c6b42}.ev-source-support p{font-size:14px;line-height:1.9}.ev-source-support aside{padding:12px 14px;background:#f7f5e9;border-radius:8px;font-size:13px;line-height:1.8}