:root{--bg:#f5f5ef;--paper:#fff;--ink:#233b32;--muted:#758077;--green:#235c48;--lime:#dcebb4;--line:#e5e8df}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI','Noto Sans',sans-serif}button,input,select,textarea{font:inherit}button,a{ -webkit-tap-highlight-color:transparent}button{cursor:pointer;border:1px solid var(--line);border-radius:12px;padding:11px 18px;background:white;color:var(--ink);min-height:44px}button:hover{filter:brightness(.96)}button:disabled{opacity:.5;cursor:default}a{color:inherit;text-decoration:none}aside{position:fixed;width:234px;inset:0 auto 0 0;background:#fafbf6;border-right:1px solid var(--line);padding:40px 26px;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:12px;font-size:26px;font-weight:750;letter-spacing:-1px}.logo{background:var(--green);color:var(--lime);width:46px;height:46px;border-radius:15px;text-align:center;line-height:46px;font-size:29px}.brand small{display:block;font-size:10px;letter-spacing:2px;color:var(--muted);font-weight:500}.side-label{font-size:12px;color:var(--muted);margin:23px 0 30px}nav{display:grid;gap:9px}nav a{padding:13px 16px;border-radius:12px;color:#758078;display:flex;gap:14px;align-items:center}nav a.active{background:#e8eedf;color:var(--green);font-weight:650}nav b{font-size:18px;font-weight:400}.side-bottom{margin-top:auto;font-size:12px;color:var(--muted);line-height:1.9}.tag{display:inline-block;font-size:11px;letter-spacing:1px;background:#e9eedf;border-radius:6px;padding:4px 9px;color:#527044}.shell{margin-left:234px}header{height:90px;margin:0 5.5%;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);color:var(--muted);font-size:12px}.quiet{border:0;background:transparent;padding:5px 9px;color:var(--muted);font-size:12px}.mobile-brand{display:none}main{max-width:1120px;margin:0 auto;padding:38px 5.5% 60px}.eyebrow{letter-spacing:2px;font-size:11px;font-weight:600;color:#81917c;margin:0 0 10px}h1{font-size:32px;line-height:1.35;letter-spacing:-1px;margin:0 0 10px}h2{font-size:19px;margin:0}h3{margin:0;font-size:16px}.subtitle{color:var(--muted);margin:0 0 28px}.row{display:flex;align-items:center;justify-content:space-between;gap:14px}.hero{background:var(--green);color:#fff;padding:32px;border-radius:22px;display:grid;grid-template-columns:1fr auto;gap:24px;position:relative;overflow:hidden}.hero h2{font-size:28px;font-weight:650}.hero p{color:#cbdcd1;max-width:470px;font-size:13px}.hero .tag{background:#ffffff19;color:#dfedca;margin-bottom:14px}.primary{background:var(--green);border-color:var(--green);color:white}.hero button{background:var(--lime);color:#254932;border:0;font-weight:650;min-width:154px}.ring{width:132px;height:132px;border-radius:50%;background:conic-gradient(var(--lime) var(--pct),#ffffff20 0);display:grid;place-items:center;align-self:center}.ring>div{background:var(--green);width:112px;height:112px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-direction:column}.ring strong{font-size:30px;line-height:1.2}.ring small{font-size:11px;color:#d1dfd5}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin:20px 0 30px}.stat{background:white;border:1px solid var(--line);border-radius:15px;padding:18px 22px}.stat small{color:var(--muted)}.stat strong{font-size:28px;display:block;line-height:1.4}.stat strong span{font-size:12px;font-weight:400;color:var(--muted);margin-left:8px}.section-head{margin:28px 0 16px}.section-head p{margin:3px 0 0;font-size:12px;color:var(--muted)}.daybar{display:flex;gap:8px;overflow:auto;padding-bottom:7px}.daybar button{min-width:88px;font-size:12px;background:transparent}.daybar button.active{background:var(--green);color:white;border-color:var(--green)}.layout{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:23px}.word-list{display:grid;gap:10px}.word{padding:17px 20px;background:white;border:1px solid var(--line);border-radius:13px;display:flex;align-items:center;gap:16px}.number{color:#abb2a4;font-size:11px;min-width:20px}.word-body{flex:1;min-width:0}.korean{font-size:22px;letter-spacing:-.4px;font-weight:650}.translation{font-size:13px;color:#6b786f;margin-left:15px}.example{font-size:12px;color:#879084;margin-top:3px}.word .quiet{font-size:14px;min-width:38px;padding:4px}.badge{font-size:10px;padding:3px 7px;border-radius:5px;background:#f1f4ea;color:#718164;white-space:nowrap}.panel{background:#edf0e4;border:1px solid #e0e5d3;padding:22px;border-radius:16px;height:fit-content}.panel p{font-size:12px;color:#73816d}.panel ul{padding-left:18px;font-size:12px;line-height:2.3;color:#5e705c}.line{height:1px;background:#dce3d0;margin:20px 0}.panel button{width:100%}.toolbar{display:flex;gap:10px;margin-bottom:18px;flex-wrap:wrap}input,select,textarea{border:1px solid #dbe1d5;border-radius:10px;padding:11px 13px;background:#fff;color:var(--ink);max-width:100%;width:100%}input:focus,textarea:focus,select:focus{outline:2px solid #90b998;outline-offset:1px}.toolbar input{flex:1;min-width:150px}.toolbar select{width:130px}.empty{padding:45px 20px;text-align:center;background:white;border:1px dashed #d8dfd1;border-radius:15px;color:var(--muted)}.plan-card{background:white;border:1px solid var(--line);padding:22px;border-radius:15px;margin-bottom:12px;display:flex;gap:20px;align-items:center}.day-num{font-size:12px;color:var(--green);background:#eef2e5;border-radius:10px;padding:12px;white-space:nowrap}.plan-card p{font-size:13px;color:var(--muted);margin:4px 0}.plan-card>div:nth-child(2){flex:1}.settings-card{background:white;border:1px solid var(--line);border-radius:16px;padding:25px;margin:18px 0}.settings-card p{font-size:13px;color:var(--muted)}label{display:block;font-size:13px;margin:15px 0 6px}label input,label textarea,label select{margin-top:6px}details{margin-top:18px;font-size:13px}pre{white-space:pre-wrap;overflow-wrap:anywhere;background:#f3f5ed;padding:16px;font-size:11px}dialog{border:0;border-radius:20px;padding:28px;width:min(520px,94vw);max-height:90dvh;color:var(--ink);box-shadow:0 30px 120px #122e3140}dialog::backdrop{background:#1c372d70;backdrop-filter:blur(3px)}#wordForm .primary{width:100%;margin-top:18px}#study{text-align:center}#study h2{font-size:44px;margin:45px 0 14px}#study .answer{background:#f1f5e8;padding:20px;border-radius:13px;margin:20px 0;text-align:left}#study .answer strong{font-size:22px}#study .answer p{font-size:15px}#study .actions{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}#study .actions button{font-size:13px;padding:10px 6px}#study .actions small{display:block;font-size:10px;color:var(--muted)}#toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);background:#243f33;color:white;border-radius:12px;padding:12px 20px;z-index:20;display:none;font-size:13px;max-width:90vw}.week-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:10px;margin:22px 0}.week-grid div{text-align:center;background:#eef2e6;border-radius:10px;padding:18px 3px;color:var(--muted);font-size:12px}.week-grid div.done{background:var(--green);color:white}.week-grid strong{display:block;font-size:20px}footer{margin:0 5.5%;padding:20px 0;border-top:1px solid var(--line);font-size:11px;color:#8c9688;display:flex;justify-content:space-between}button:focus-visible,a:focus-visible{outline:3px solid #a3bd73;outline-offset:3px}.danger{color:#a04b3c}.muted{color:var(--muted);font-size:12px}
@media(min-width:1450px){main{padding-left:40px;padding-right:40px}}@media(max-width:1100px){aside{width:195px;padding:30px 20px}.shell{margin-left:195px}.layout{grid-template-columns:1fr}.panel{display:none}.translation{display:block;margin-left:0}}@media(max-width:700px){aside{width:auto;height:76px;inset:auto 0 0;z-index:10;padding:4px 8px max(4px,env(safe-area-inset-bottom));border:0;border-top:1px solid var(--line);background:#fafbf6f5;backdrop-filter:blur(10px)}aside>.brand,.side-label,.side-bottom{display:none}nav{display:flex;justify-content:space-around;gap:0}nav a{font-size:10px;flex:1;flex-direction:column;gap:0;padding:4px;border-radius:9px}nav b{font-size:20px}.shell{margin-left:0;padding-bottom:78px}header{height:70px;margin:0 22px}.mobile-brand{display:block;font-size:22px;font-weight:750;color:var(--green)}.mobile-brand span{font-size:10px;letter-spacing:1px}header>#date{display:none}main{padding:26px 20px 35px}h1{font-size:28px}.subtitle{font-size:13px;margin-bottom:22px}.hero{padding:23px;gap:12px;border-radius:18px}.hero h2{font-size:22px}.hero p{font-size:12px}.ring{width:86px;height:86px}.ring>div{width:72px;height:72px}.ring strong{font-size:23px}.ring small{font-size:9px}.hero button{min-width:0;font-size:13px;padding:10px 15px}.stats{gap:8px;margin:14px 0 25px}.stat{padding:13px 11px;border-radius:12px}.stat small{font-size:10px}.stat strong{font-size:24px}.stat strong span{display:none}.word{padding:14px 13px;gap:9px}.korean{font-size:21px}.example{overflow-wrap:anywhere}.word .badge{display:none}.word .quiet{min-width:32px}.number{min-width:15px}.section-head h2{font-size:17px}.section-head button{font-size:12px;padding:8px 12px}.plan-card{gap:12px;padding:17px}.plan-card button{padding:7px 10px;font-size:12px}.settings-card{padding:19px}footer{display:block}footer span{display:block;font-size:10px;margin-top:5px}#toast{bottom:94px}.week-grid{gap:5px}.week-grid div{padding:13px 2px}.toolbar{gap:8px}}
/* V2.1 extensions retain the existing typography and palette. */
.button,.file-button{display:inline-flex;align-items:center;justify-content:center;gap:7px;border:1px solid var(--line);background:white;border-radius:12px;padding:10px 16px;min-height:44px;font-size:13px;cursor:pointer;max-width:100%}.file-button input{width:100%;font-size:12px;margin:5px 0 0}.file-button{flex-direction:column;align-items:flex-start;margin:0}.notice{padding:17px 20px;background:#eaf0dd;border:1px solid #d8e3c7;border-radius:13px;font-size:13px;line-height:1.9;overflow-wrap:anywhere}.notice a{text-decoration:underline}.success{background:#e6f0df}.task-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:20px 0}.task-grid>a,.task-grid>div{background:#fff;border:1px solid var(--line);border-radius:13px;padding:16px;font-size:12px}.task-grid strong{display:block;font-size:26px}.filters{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:20px 0}.filters input:first-child{grid-column:span 2}.question-list,.more-grid{display:grid;gap:16px;grid-template-columns:repeat(2,minmax(0,1fr))}.question-card{background:white;padding:23px;border:1px solid var(--line);border-radius:16px;min-width:0}.question-card h3{font-size:19px;margin-top:16px}.question-card p{font-size:13px;color:var(--muted)}.excerpt{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.wrap{flex-wrap:wrap}.detail-block,.preview-row{padding:18px;background:white;border:1px solid var(--line);border-radius:13px;margin:13px 0;overflow-wrap:anywhere}.detail-block summary,.preview-row summary{cursor:pointer;font-weight:600;min-height:30px}.detail-block p{font-size:14px}.pre-line{white-space:pre-wrap;overflow-wrap:anywhere}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 14px}.wide{width:100%;margin-top:18px}.conflict{border-top:1px solid var(--line);padding-top:14px;margin-top:15px}.diff{display:grid;grid-template-columns:1fr 1fr;gap:12px}.diff>div{min-width:0}.diff pre{max-height:190px;overflow:auto}.checkline{display:flex;gap:10px;align-items:flex-start}.checkline input,.word-select{width:22px;min-width:22px;height:22px;margin:0;accent-color:var(--green)}.linked-word{display:flex;justify-content:space-between;gap:10px;padding:12px 0;border-bottom:1px solid var(--line)}.image-gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:18px 0}.attachment{background:#f2f4ec;border-radius:12px;padding:10px;min-width:0;overflow-wrap:anywhere}.attachment img{width:100%;height:170px;object-fit:contain;cursor:zoom-in}.attachment button{font-size:11px}.image-gallery~.toolbar{margin-top:12px}#imageViewer{width:min(96vw,1100px)}#largeImage{max-width:100%;max-height:80dvh;display:block;margin:auto}#workDialog{width:min(750px,94vw)}#questionStudy{width:min(650px,96vw)}.rating-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;position:sticky;bottom:-28px;background:#fff;padding:14px 0}.rating-grid small{display:block;font-size:10px;opacity:.7}.question-original{font-size:19px;line-height:1.9}.option{display:flex;gap:12px;padding:16px;background:#f2f5eb;border-radius:12px;align-items:flex-start;cursor:pointer}.option input{width:20px;min-width:20px;accent-color:var(--green);margin:3px 0 0}.answer{padding:20px;border-radius:14px;background:#f0f4e6;overflow-wrap:anywhere}.stat-chip{display:inline-block;background:#edf1e3;padding:9px;border-radius:6px;margin:6px 6px 0 0;font-size:12px}.qa-banner{background:#f8eab9;border:1px dashed #b99c50;border-radius:10px;padding:10px;font-size:12px}.mobile-only{display:none}aside{overflow:auto}aside nav{gap:4px}aside nav a{padding:9px 14px;font-size:13px}.side-bottom{padding-top:30px}.settings-card,main,dialog,form{min-width:0}textarea{resize:vertical}dialog{overscroll-behavior:contain}#workDialog form>.wide{position:sticky;bottom:-28px}.word{flex-wrap:wrap}.word-body{flex-basis:40%}
@media(max-width:700px){nav a.secondary-nav{display:none}nav a.mobile-only{display:flex}aside{overflow:hidden}aside nav a{font-size:10px;padding:5px 2px}nav b{line-height:1.4}.filters{grid-template-columns:1fr 1fr}.question-list,.more-grid{grid-template-columns:1fr}.question-card{padding:18px}.filters input{min-width:0}.question-card .tag{font-size:10px;letter-spacing:0}.task-grid{gap:8px}.task-grid>a,.task-grid>div{padding:13px 10px;font-size:11px}.task-grid strong{font-size:23px}.notice{padding:14px 16px;font-size:12px}.form-grid{gap:0 8px}.diff{grid-template-columns:1fr}.toolbar{align-items:stretch}.toolbar button,.toolbar .button{flex-grow:1}.image-gallery{grid-template-columns:1fr 1fr}.attachment img{height:130px}.attachment .quiet{padding:6px 2px;font-size:10px}.word .translation{font-size:12px}.word-body{flex:1;flex-basis:40%}#workDialog,#questionStudy{padding:22px 18px;max-height:92dvh}.question-original{font-size:18px}.rating-grid{bottom:-22px}.detail-block{padding:16px}.linked-word{flex-wrap:wrap}.stat strong span{display:block;margin:0;font-size:10px}.file-button{width:100%}}