:root{--ink:#253c33;--green:#214e40;--muted:#718078;--cream:#f5f4ed;--line:#e1e5dc;--lime:#d8e8a2;--white:#fff;--orange:#b1683e;font-family:Inter,"Segoe UI",Arial,sans-serif;color:var(--ink);background:var(--cream);font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}button:focus-visible,a:focus-visible{outline:3px solid #b1683e;outline-offset:3px}button:disabled{opacity:.5;cursor:wait}[hidden]{display:none!important}.shell{display:grid;grid-template-columns:230px minmax(0,1fr);max-width:1600px;margin:auto;min-height:100vh}aside{padding:35px 24px;background:#eeeee5;border-right:1px solid var(--line);display:flex;flex-direction:column;gap:28px}a{text-decoration:none;color:inherit}.brand{font-size:32px;font-weight:750;letter-spacing:-1.4px;display:flex;align-items:center;gap:0}.brand b{font-size:26px;color:var(--orange);margin-left:10px}.aside-label,.eyebrow{font-size:10px;font-weight:700;letter-spacing:2px}.aside-label{margin:16px 0 -14px;color:var(--muted)}nav{display:grid;gap:8px}nav button{border:0;background:transparent;text-align:left;padding:13px 12px;border-radius:10px;color:#5b6b60;font-size:14px;display:flex;align-items:center;gap:12px}nav button span{font-size:22px;width:21px}nav button.active{background:var(--green);color:white}nav small{font-size:9px;background:#e2e3d9;padding:3px;border-radius:4px;color:#65705f;margin-left:auto}.aside-note{margin-top:auto;padding:24px 10px;color:#788570}.aside-note span{font-size:10px;letter-spacing:2px}.aside-note p{font-family:Georgia,serif;font-style:italic;font-size:28px;line-height:1.35;color:var(--green)}.account{border-top:1px solid #d9dfd2;padding-top:22px;display:flex;gap:12px;align-items:center;min-width:0}.account strong{font-size:13px;overflow-wrap:anywhere}.account small{display:block;font-size:11px;color:var(--muted);margin-top:5px}.avatar{background:#d9dfc9;border-radius:50%;padding:10px 14px;font-size:16px}main{padding:28px 48px;min-width:0}.top{display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line);padding-bottom:25px}.top>div{display:flex;flex-direction:column;gap:7px}.network{font-size:11px;color:#687d68}.outline{border:1px solid #cdd5c9;background:transparent;border-radius:8px;padding:11px 16px;color:var(--green);font-size:13px;min-height:44px}.intro{margin:38px 0 25px}.intro .eyebrow{color:var(--orange)}h1{font-size:42px;font-weight:500;line-height:1.16;letter-spacing:-1.6px;margin:15px 0}h1 em{font-family:Georgia,serif;color:var(--green);font-weight:400}h2{font-weight:500;font-size:27px;letter-spacing:-.5px}h3{font-size:20px;font-weight:500}h4{font-size:14px;font-weight:600}.muted{color:var(--muted);line-height:1.6}.small{font-size:12px}.summary{display:flex;gap:45px;margin:26px 0 30px}.summary>div{display:flex;align-items:center;gap:12px}.summary b{font-size:28px;font-weight:500}.summary span{font-size:12px;color:var(--muted);max-width:90px;line-height:1.4}.study-layout{display:grid;grid-template-columns:minmax(0,580px) minmax(160px,240px);gap:32px}.study-toolbar{display:flex;gap:12px;margin-bottom:14px}.compact{font-size:10px;color:var(--muted);letter-spacing:.3px;display:block;flex:1;min-width:0}.compact select{margin-top:5px;font-size:12px;border:1px solid var(--line);border-radius:7px;background:transparent;padding:9px 7px;width:100%;color:var(--ink);min-height:42px}.study-card{background:white;border:1px solid #e0e4d9;border-radius:18px;padding:23px;text-align:center;box-shadow:0 8px 25px #253c3305}.card-top{display:flex;align-items:center;justify-content:space-between;gap:8px}.pill{font-size:10px;background:#eff2e5;border-radius:5px;padding:6px 8px;color:#61704f;text-align:left}.text-button{background:transparent;border:0;color:var(--muted);font-size:12px;padding:9px 5px;min-height:44px}.card-art{width:100%;height:192px;object-fit:contain;margin:14px auto 0}.study-card .eyebrow{font-size:9px;color:#97a18f;margin:12px 0}.study-card h2{margin:8px 0 20px;font-size:32px;overflow-wrap:anywhere}.primary{display:flex;align-items:center;justify-content:center;gap:12px;background:var(--green);color:#fff;border:0;border-radius:8px;padding:15px 20px;width:100%;font-size:14px;min-height:48px}.primary span{margin-left:auto}.study-card>.primary{margin-top:25px}.example{font-family:Georgia,serif;font-size:21px;line-height:1.45}.audio-row{display:flex;flex-wrap:wrap;gap:5px;justify-content:center}.audio-button{background:#edf2e9;color:var(--green);border:0;border-radius:30px;padding:10px 14px;font-size:12px;min-height:44px}.hint{font-size:13px;background:#f7f6ee;padding:14px;border-radius:8px;text-align:left;line-height:1.6;margin-top:20px}.ratings{display:grid;grid-template-columns:repeat(4,1fr);gap:7px;margin-top:22px}.ratings button{border:1px solid #dce3d5;background:#f8faf5;border-radius:8px;padding:11px 2px;font-size:12px;color:var(--green);min-height:58px}.ratings button:first-child{background:#fbf0e9;color:#a35936;border-color:#f0dfd2}.ratings button:nth-child(3){background:var(--green);color:#fff;border-color:var(--green)}.ratings small{display:block;opacity:.75;font-size:10px;margin-top:6px}.under-card{display:flex;justify-content:space-between;align-items:center;gap:10px}.side-tip{padding-top:80px;font-size:13px;color:var(--muted);line-height:1.7}.side-tip h3{color:var(--green);font-family:Georgia,serif;font-size:23px;line-height:1.4}.side-tip h4{color:var(--ink);margin:15px 0 7px}.side-tip p{margin:7px 0}.side-tip hr{border:0;border-top:1px solid var(--line);margin:25px 0}.filters{display:flex;gap:10px;flex-wrap:wrap;margin:25px 0}.filters input{flex:1;min-width:190px}.filters input,.filters select{padding:12px;border:1px solid #d9dfd2;border-radius:8px;background:white;font-size:13px;color:var(--ink);max-width:100%}.word-list{display:grid;gap:10px}.word-row{display:grid;grid-template-columns:62px minmax(0,1fr) auto;align-items:center;gap:15px;background:white;border:1px solid var(--line);padding:15px;border-radius:12px}.word-row img{width:62px;height:60px;object-fit:contain;background:#f5f5ee;border-radius:8px}.word-row h3{margin:0 0 5px;font-size:20px}.word-row p{margin:0;font-size:13px;color:var(--muted)}.word-row small{display:block;margin-top:7px;color:var(--muted);font-size:10px}.word-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;max-width:200px;gap:4px}.word-actions select{border:1px solid var(--line);padding:7px;border-radius:7px;font-size:11px;background:#f6f7ef;color:var(--green);min-height:38px}.pair{background:white;border:1px solid var(--line);border-radius:15px;padding:22px;margin:18px 0}.pair h2{margin:0;font-size:24px}.pair>p{font-size:14px;line-height:1.7;color:var(--muted)}.pair-words{display:grid;grid-template-columns:1fr 1fr;gap:15px}.pair-word{padding:14px;background:#f5f6ee;border-radius:10px;min-width:0}.pair-word img{width:100%;height:135px;object-fit:contain}.pair-word h3{margin:7px 0}.pair-word p{font-size:13px}.pair-answer{border-top:1px solid var(--line);padding-top:15px}.pair-answer label{display:block;font-size:13px;margin-bottom:10px}.pair-answer input{width:100%;border:1px solid var(--line);border-radius:8px;padding:12px;margin-bottom:10px}.pair-feedback{font-size:13px;line-height:1.6}.rule-preview,.settings-box{background:white;border:1px solid var(--line);border-radius:15px;padding:28px;line-height:1.7;max-width:800px}.settings-box h3{margin:28px 0 8px}.settings-box h3:first-child{margin-top:0}.settings-box p{font-size:14px;color:var(--muted);margin:7px 0 18px}.planned-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:25px}.planned-tags span{background:#edf2e7;color:#6c7b5c;padding:9px;border-radius:6px;font-size:12px}footer{font-size:10px;color:#9bA291;margin-top:40px;padding:20px 0;border-top:1px solid var(--line)}footer span{margin:0 8px}.empty{text-align:center;padding:30px;border:1px solid var(--line);border-radius:18px;background:white}.empty img{height:150px;max-width:100%}.empty p{color:var(--muted);line-height:1.7}.login-page{display:grid;min-height:100vh;place-items:center;padding:20px}.login-box{width:100%;max-width:440px;background:white;padding:35px;border:1px solid var(--line);border-radius:20px}.login-box .eyebrow{margin-top:35px;font-size:9px;color:var(--orange)}.login-box h1{font-size:35px}.login-box p{font-size:14px}.login-box form{margin:28px 0}.login-box label,#word-form label{display:block;font-size:13px;margin:15px 0}.login-box input,#word-form input,#word-form textarea{display:block;width:100%;margin-top:7px;padding:12px;background:#fcfcf8;border:1px solid #d5ddcf;border-radius:7px;min-height:45px;font-size:16px;color:var(--ink)}.login-box .primary{margin-top:20px}.login-box small{font-size:11px;color:var(--muted)}.error{background:#fff0e7;padding:12px;border-radius:8px;color:#954b2d}dialog{max-width:520px;width:calc(100% - 24px);border:1px solid var(--line);border-radius:18px;padding:24px;max-height:90vh;overflow:auto;color:var(--ink)}dialog::backdrop{background:#14281c66}.dialog-title{display:flex;justify-content:space-between;align-items:center}.dialog-title h2{margin:0}.link-button{display:inline-block}#invite-result{overflow-wrap:anywhere;margin-top:15px;font-size:14px}#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--green);color:white;padding:13px 20px;border-radius:10px;font-size:13px;z-index:100;max-width:90vw;box-shadow:0 8px 30px #0002}body.offline .network{color:#ab653a}
@media(min-width:1400px){main{padding:30px 70px}.study-layout{gap:45px}}
@media(max-width:1100px){.shell{grid-template-columns:190px minmax(0,1fr)}aside{padding:30px 16px}main{padding:25px}.study-layout{grid-template-columns:1fr}.side-tip{display:none}h1{font-size:36px}.summary{gap:25px}.brand{font-size:29px}}
@media(max-width:680px){.shell{display:block}aside{display:block;padding:16px 18px 0;background:var(--cream);border-right:0}.brand{font-size:27px}.brand b{font-size:23px}.aside-label,.aside-note,.account{display:none}nav{display:flex;gap:4px;margin:17px -8px 0;border-bottom:1px solid var(--line);justify-content:space-between}nav button{font-size:10px;padding:9px 6px;border-radius:8px 8px 0 0;display:flex;flex-direction:column;gap:5px;min-width:0;flex:1;min-height:58px}nav button span{font-size:19px}nav small{display:none}main{padding:15px 17px}.top{padding:0 0 15px;gap:10px}.top .eyebrow{font-size:8px;letter-spacing:1px}.top .outline{font-size:11px;padding:8px 10px}.network{font-size:9px}.intro{margin:27px 0 20px}.intro .eyebrow{font-size:8px;letter-spacing:1.3px}h1{font-size:34px;letter-spacing:-1px}.intro>.muted{font-size:13px;margin:10px 0}.summary{justify-content:space-between;gap:12px;margin:20px 0 25px}.summary>div{gap:7px;flex:1}.summary b{font-size:26px}.summary span{font-size:10px;max-width:65px}.study-card{padding:18px 15px;border-radius:15px}.card-art{height:165px;margin-top:12px}.study-card h2{font-size:29px}.card-top .text-button{font-size:10px}.pill{font-size:9px}.filters{gap:7px}.filters input{flex-basis:100%}.filters select{font-size:11px;flex:1;min-width:100px}.word-row{grid-template-columns:47px minmax(0,1fr);gap:10px;padding:12px}.word-row img{width:47px;height:48px}.word-actions{grid-column:2;justify-content:flex-start;max-width:none}.word-row h3{font-size:19px}.pair{padding:16px}.pair-words{gap:8px}.pair-word{padding:10px}.pair-word img{height:100px}.pair-word h3{font-size:18px}.pair-word p{font-size:12px}.settings-box,.rule-preview{padding:20px}.login-box{padding:25px}.ratings{gap:5px}.ratings button{font-size:11px}.example{font-size:20px}.text-button{min-height:44px}footer{margin-top:25px}#toast{bottom:15px;width:max-content;max-width:90vw}}