:root{--ink:#142744;--blue:#234dcc;--paper:#fff;--bg:#edf2fa;--muted:#586980;--line:#d8e1ef;--highlight:#fff0a6}*{box-sizing:border-box}html{scrollbar-color:#8294b2 var(--bg);scrollbar-width:thin;scrollbar-gutter:stable}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 'Segoe UI',Arial,sans-serif}header,nav,main,footer{max-width:1240px;margin:auto;padding:24px 32px}header{display:flex;align-items:center;justify-content:space-between}.brand{display:flex;gap:12px;text-decoration:none;color:var(--blue);font:bold 48px Georgia}.brand span{font:700 24px 'Segoe UI';color:var(--ink);padding-top:6px}.brand small{display:block;font:10px 'Segoe UI';letter-spacing:2px;margin-top:4px}nav{display:flex;gap:8px;padding-top:0;padding-bottom:20px;border-bottom:1px solid var(--line)}button,input,textarea,select{font:inherit}button{border:1px solid var(--line);border-radius:9px;padding:10px 17px;background:var(--paper);color:var(--ink);cursor:pointer}button:hover{background:#e5ecff;border-color:#9aabe0}button:active{transform:translateY(1px)}button:disabled{opacity:.45;cursor:default;transform:none}button.active,button.primary{background:var(--blue);color:white;border-color:var(--blue)}button.primary:hover{background:#183bae}a{color:var(--blue)}a:hover{text-decoration:none}:focus-visible{outline:3px solid #cd8900;outline-offset:3px}.heading{display:flex;justify-content:space-between;align-items:center;margin:4px 0 28px;gap:20px}.heading p{color:var(--muted)}.eyebrow{font-size:12px;letter-spacing:1.8px;font-weight:700}h1{font-size:32px;line-height:1.25;margin:8px 0}h2{font-size:26px;line-height:1.25}.workspace{display:grid;grid-template-columns:340px minmax(0,1fr);gap:24px;align-items:start}.panel{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:24px}.search{display:flex;gap:6px}input,textarea,select{width:100%;border:1px solid var(--line);border-radius:8px;background:#f8faff;color:var(--ink);padding:12px}select{margin-top:12px}textarea{resize:none;min-height:95px;field-sizing:content}label{display:block;margin:18px 0 8px;font-size:14px;font-weight:600}.muted{color:var(--muted);font-size:14px}#list{max-height:490px;overflow:auto;margin:0 -12px 12px}.wordrow{display:flex;width:100%;align-items:center;justify-content:space-between;gap:8px;border:0;border-radius:8px;text-align:left;margin-bottom:4px}.wordrow.selected{background:#e9eeff;color:var(--blue)}.wordrow small{display:block;color:var(--muted);font-size:14px;max-width:200px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.wordrow b{font-size:18px}.tag{font-size:12px;background:var(--bg);border-radius:20px;padding:3px 8px;white-space:nowrap}.wide{width:100%}.card{min-height:560px;padding:32px}.topline{display:flex;justify-content:space-between;align-items:center;gap:12px}.wordtitle{font:52px/1.1 Georgia;margin:20px 0;overflow-wrap:anywhere}.quote{font:26px/1.65 Georgia;border-left:4px solid var(--blue);padding:16px 22px;background:#f5f7fd;margin:24px 0;overflow-wrap:anywhere}mark{background:var(--highlight);color:var(--ink);border-radius:3px}.translation{font-size:22px;margin:12px 0}.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}.reading{padding:28px}.reading label{margin-top:0}.reading button.primary{margin-top:12px}#reader .workspace{grid-template-columns:minmax(0,1.2fr) minmax(0,1fr)}#passage{font:23px/1.9 Georgia;white-space:pre-wrap;margin-top:24px}#passage button{font:inherit;background:transparent;border:0;padding:0 2px;border-radius:3px}#passage button:hover{background:var(--highlight)}.review{max-width:790px;margin:0 auto;min-height:390px;padding:40px}.review .wordtitle{font-size:60px}.answer[hidden],[hidden]{display:none!important}footer{font-size:13px;color:var(--muted);display:flex;justify-content:space-between;gap:24px}details{max-width:480px}summary{cursor:pointer}#notice{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);padding:12px 22px;background:var(--ink);color:white;border-radius:10px;max-width:90%;display:none}.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}#stats{font-size:14px;color:var(--muted)}@media(max-width:760px){header,nav,main,footer{padding:18px}.heading{display:block}.heading>p{display:none}h1{font-size:26px}.workspace,#reader .workspace{grid-template-columns:1fr}.card{min-height:0;padding:24px}#list{max-height:250px}.wordtitle{font-size:42px}.quote{font-size:23px;padding:14px}footer{display:block}.review{padding:24px}nav{gap:6px}nav button{padding:9px;font-size:14px}.brand small{font-size:9px}#stats{max-width:125px;text-align:right}}@media(forced-colors:active){html{scrollbar-color:auto}button{border:1px solid ButtonText}}
/* Readability and shared study */
:root{--ink:#10233f;--blue:#1745b8;--muted:#40536e;--line:#bdcce0;--bg:#f0f4fa}
body{font-size:18px;line-height:1.65}header,nav,main,footer{max-width:1320px}button,input,textarea,select{font-size:17px}button{min-height:46px;font-weight:600}input,textarea{background:#fff;border-color:#8d9fb8}input::placeholder,textarea::placeholder{color:#596980}.muted{font-size:16px;color:var(--muted)}.eyebrow{font-size:14px;letter-spacing:1px}.brand small{font-size:12px;letter-spacing:1px}.workspace{grid-template-columns:360px minmax(0,1fr)}.wordrow b{font-size:21px}.wordrow small{font-size:16px;color:#40536e}.wordrow{padding:13px 15px;border-bottom:1px solid #e0e6f0}.wordrow.selected{box-shadow:inset 4px 0 var(--blue);background:#dce7ff}.tag{font-size:14px;background:#e3ebf9;color:#183d77}.translation{font-size:26px;font-weight:600}.quote{font-size:29px;background:#f0f4ff;line-height:1.65}.card label{font-size:17px}h1{font-size:34px}.actions .primary{box-shadow:0 3px 0 #0d2c7f}.syncbar{max-width:1256px;margin:0 auto 10px;padding:12px 20px;display:flex;gap:12px;align-items:center;flex-wrap:wrap;color:#304869;font-size:15px}.error{color:#a20f25!important}.gate{max-width:660px;margin:50px auto;padding:40px}.gate input{margin-bottom:16px}.gate h1{font-size:38px}.gate .primary{width:100%}.gate details{margin:20px 0}.members{display:grid;grid-template-columns:1fr 1fr;gap:24px}.member h2{margin:0;overflow-wrap:anywhere}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:30px 0}.metrics strong{display:block;font-size:38px;color:var(--blue);line-height:1.2}.metrics span{font-size:16px;display:block}.chart{display:flex;gap:12px;align-items:end;min-height:135px;padding-top:16px;border-bottom:1px solid var(--line)}.chart>div{flex:1;text-align:center;font-size:13px}.chart b,.chart span{display:block}.chart i{display:block;background:var(--blue);border-radius:5px 5px 0 0;margin:4px 0;min-width:8px}.account,#linkBox{margin-top:24px}#linkBox input{margin-bottom:8px}#linkBox button{display:block}nav{flex-wrap:wrap}footer{font-size:15px}.emptyfriend{display:flex;flex-direction:column;justify-content:center;border:2px dashed #9badc7}.emptyfriend h2{margin-bottom:0}#stats{font-size:16px}.sr{font-size:16px}
@media(max-width:760px){.workspace,.members{grid-template-columns:1fr}.gate{margin:20px 16px;padding:24px}.gate h1{font-size:30px}.quote{font-size:25px}.brand small{font-size:10px}.metrics{gap:12px}.metrics strong{font-size:32px}nav button{font-size:16px}.syncbar{padding:8px 18px}h1{font-size:29px}.chart{gap:8px}.heading{margin-bottom:20px}}