:root{color-scheme:light;--ink:#173e35;--green:#116b55;--muted:#64786e;--line:#dce6dd;--bg:#f2f5ee}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 system-ui,-apple-system,'Segoe UI',sans-serif}main{max-width:1120px;margin:auto;padding:32px max(20px,env(safe-area-inset-right)) max(28px,env(safe-area-inset-bottom)) max(20px,env(safe-area-inset-left))}header{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:26px}.brand{font-size:12px;letter-spacing:2px;color:var(--green);font-weight:800}h1{font-size:32px;letter-spacing:-1px;margin:5px 0}h2{font-size:20px;margin:0}.muted,.note,footer,small{color:var(--muted)}p{margin:10px 0}.layout{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:22px;align-items:start}.panel,.login-card{background:white;border:1px solid var(--line);border-radius:22px;padding:28px}.tags{display:flex;gap:14px;font-size:13px;flex-wrap:wrap;color:var(--green);font-weight:700}.korean{font-size:21px;margin-top:35px}#english{font-size:clamp(26px,3.4vw,40px);line-height:1.3;letter-spacing:-.5px;min-height:100px;margin:12px 0 24px;overflow-wrap:anywhere}#context{font-size:13px;min-height:42px}.phase{font-size:13px;color:var(--green);min-height:22px}.controls{display:grid;grid-template-columns:1fr 1.4fr 1fr;gap:8px;margin-top:22px}button,input,select{font:inherit}button{min-height:46px;border:1px solid var(--line);border-radius:12px;background:white;color:var(--ink);padding:10px 14px;cursor:pointer;touch-action:manipulation}button:hover{background:#e8f3ea}button:disabled{cursor:wait;opacity:.55}.primary{background:var(--green);color:white;border-color:var(--green)}.primary:hover{background:#0a5141}button:focus-visible,input:focus-visible,select:focus-visible,a:focus-visible{outline:3px solid #d99f30;outline-offset:3px}audio{width:100%;height:44px;margin-top:14px}#status{font-size:13px;min-height:24px}.settings{display:grid;grid-template-columns:1.4fr 1fr;gap:12px;margin:20px 0}label{font-size:13px;color:var(--muted);display:block}select,input[type=search],input[type=password]{width:100%;min-height:48px;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:white;color:var(--ink);font-size:16px;margin-top:5px}.checks{display:flex;gap:20px;flex-wrap:wrap}.checks label{display:flex;gap:7px;align-items:center;min-height:44px}.checks input{width:18px;height:18px;accent-color:var(--green)}details{border-top:1px solid var(--line);margin-top:22px;padding-top:14px;font-size:14px}summary{cursor:pointer;min-height:40px;font-weight:600}a{color:var(--green);text-underline-offset:3px}.list-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}.sentence-list{margin-top:15px;max-height:670px;overflow:auto;overscroll-behavior:contain}.row{width:100%;text-align:left;display:block;border:0;margin:3px 0;padding:14px}.row.active{background:#e4f1e8;box-shadow:inset 3px 0 var(--green)}.row .num{font-size:12px;color:var(--muted);margin-right:9px}.row .translation{display:block;color:var(--muted);font-size:14px;margin-top:3px}.note,footer{font-size:12px}footer{margin-top:24px}#more,#resume{width:100%;margin-top:12px}body.hide-ko .translation,body.hide-ko .korean{visibility:hidden}.login-card{max-width:440px;margin:12vh auto;padding:34px}.login-card form{margin-top:28px}.login-card .primary{width:100%;margin-top:18px}#message{font-size:14px;min-height:25px}.quiet{font-size:13px}[hidden]{display:none!important}@media(max-width:760px){main{padding:20px max(14px,env(safe-area-inset-right)) max(25px,env(safe-area-inset-bottom)) max(14px,env(safe-area-inset-left))}.layout{grid-template-columns:1fr;gap:16px}.panel{padding:21px}h1{font-size:27px}header{align-items:flex-start}header p{font-size:13px}.korean{margin-top:26px;font-size:19px}#english{min-height:70px;font-size:29px}.controls{position:sticky;bottom:calc(10px + env(safe-area-inset-bottom));z-index:2;background:white;padding:8px 0}.settings{grid-template-columns:1fr}#context{min-height:0}.sentence-list{max-height:460px}.login-card{margin:8vh 14px}.checks{gap:12px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}