:root{--ink:#182444;--muted:#65728c;--blue:#2c45c7;--line:#dce2ef;--paper:#fff;--bg:#f3f5fa}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 -apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif}button,select,input{font:inherit}button,a,input,select{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{opacity:.4;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #879cff;outline-offset:4px}a{color:var(--blue)}header{background:#fff;border-bottom:1px solid var(--line);padding:20px 5%;display:flex;align-items:center;justify-content:space-between;gap:22px}.brand{display:flex;align-items:center;color:var(--ink);text-decoration:none;font-size:24px;font-weight:800;letter-spacing:-1px}.brand b{background:var(--blue);color:#fff;padding:1px 11px;border-radius:9px;font:700 29px/1.4 Georgia,serif;margin-right:11px}nav{display:flex;gap:12px}nav button{background:transparent;border:0;padding:8px 12px;color:var(--muted);border-radius:8px;font-weight:600}nav button.active{background:#edf0ff;color:var(--blue)}nav span{font-size:12px;padding-left:5px}.level{font-size:12px;letter-spacing:1.5px;color:var(--muted);white-space:nowrap}.level b{font-size:14px;border:1px solid var(--line);border-radius:6px;padding:5px 8px;margin-left:8px;color:var(--ink)}main{max-width:1140px;margin:42px auto 70px;padding:0 28px;min-height:65vh}.intro{display:flex;justify-content:space-between;align-items:center;gap:18px;margin-bottom:25px}.eyebrow{font-size:12px;letter-spacing:1.8px;font-weight:700;color:var(--muted)}h1{font-size:34px;line-height:1.2;letter-spacing:-1px;margin:9px 0 0}h2{font-size:25px;letter-spacing:-.6px}h3{font-size:18px}.layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:30px}.sessionbar{display:flex;justify-content:space-between;gap:12px;font-size:13px;color:var(--muted);margin:0 3px 12px}.card{background:white;border:1px solid var(--line);border-top:4px solid var(--blue);border-radius:18px;min-height:370px;padding:32px;box-shadow:0 15px 40px #17213f08;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;position:relative;overflow-wrap:anywhere}.card .word{font:500 43px/1.25 Georgia,serif;letter-spacing:-.6px;margin:25px 0 16px;max-width:100%}.card.reverse .word{font-family:inherit;font-size:29px;font-weight:550;letter-spacing:-.4px}.card .prompt{color:var(--muted);font-size:14px;margin:10px 0}.badge{display:inline-block;font-size:12px;background:#edf0ff;color:var(--blue);border-radius:6px;padding:3px 9px;font-weight:650}.cardtop{width:100%;display:flex;justify-content:space-between;align-items:center}.speak{border:1px solid var(--line);background:#fff;color:var(--muted);border-radius:20px;font-size:13px;padding:5px 12px}.answer{width:100%;border-top:1px solid var(--line);padding-top:20px;margin-top:15px}.translation{margin:7px 0;font-size:20px}.lang{font-size:11px;color:var(--muted);border:1px solid var(--line);border-radius:4px;padding:2px 4px;margin-right:8px;vertical-align:middle}.source{font-size:13px;color:var(--muted);margin-top:18px}.source b{font-weight:500;color:#465577}.primary{background:var(--blue);color:#fff;border:0;border-radius:10px;padding:14px 25px;font-weight:650}.primary:hover{background:#2137ad}.wide{width:100%}.actions{margin-top:16px;display:flex;gap:10px}.actions>.primary{width:100%}.rate{flex:1;padding:10px 5px;background:#fff;border:1px solid var(--line);border-radius:10px;color:var(--ink);min-width:0}.rate b,.rate span{display:block}.rate span{font-size:12px;color:var(--muted);margin-top:1px}.rate.again b{color:#aa344a}.rate.good{background:#e9efff;border-color:#bfcafa}.rate.easy b{color:#24765e}.rate:hover{border-color:var(--blue);transform:translateY(-1px)}.below{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:14px;font-size:12px;color:var(--muted)}.textbtn{background:transparent;border:0;color:var(--blue);padding:0;font-size:inherit;text-decoration:underline;text-underline-offset:3px}.quiet{border:1px solid var(--line);border-radius:9px;background:#fff;color:#364567;padding:10px 15px;font-size:14px}.quiet:hover{border-color:#9caed5}.panel{padding:23px;border-radius:16px;background:#e7ecfc}.stats{display:flex;gap:22px;margin:15px 0 27px}.stats strong{display:block;font-size:34px;letter-spacing:-1px;line-height:1.2}.stats span{font-size:12px;color:#546386}.goal{font-size:12px;display:flex;justify-content:space-between;gap:5px}.goal b{font-weight:600}progress{appearance:none;width:100%;height:5px;border:0;border-radius:5px;overflow:hidden;margin:12px 0 8px}progress::-webkit-progress-bar{background:#cfdaef}progress::-webkit-progress-value{background:var(--blue)}progress::-moz-progress-bar{background:var(--blue)}.small{font-size:14px}.panel .small{font-size:12px;color:#546386}.journey{padding:28px 5px 23px;border-bottom:1px solid var(--line)}.decknumber{margin-top:8px;display:flex;align-items:baseline;gap:7px}.decknumber strong{font-size:28px}.decknumber span{color:var(--muted);font-size:13px}.journey p{font-size:14px;color:var(--muted);line-height:1.7;margin-top:9px}.journey button{font-size:14px}.savehint{display:flex;gap:10px;font-size:12px;color:var(--muted);padding:22px 5px}.savedmark{font-size:22px;color:var(--blue)}footer{max-width:1140px;margin:0 auto;padding:22px 28px;border-top:1px solid var(--line);font-size:12px;color:var(--muted);display:flex;gap:16px;flex-wrap:wrap}footer span{margin-left:auto}.filters{display:flex;gap:12px;margin-bottom:22px}.search{flex:1}input,select{padding:11px 12px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);max-width:100%}.search input{width:100%}.listhead{display:flex;justify-content:space-between;color:var(--muted);font-size:12px;margin:0 0 10px}.wordrow{display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:22px;width:100%;text-align:left;background:#fff;border:1px solid var(--line);border-bottom:0;padding:18px 22px;color:var(--ink);font-size:15px;align-items:center}.wordrow:first-child{border-radius:12px 12px 0 0}.wordrow:last-child{border-bottom:1px solid var(--line);border-radius:0 0 12px 12px}.wordrow:hover{background:#f0f3ff}.wordrow strong{font-weight:650}.wordrow span{color:#52607b}.wordrow small{display:block;font-size:12px;color:var(--muted);margin-top:5px}#moreBtn{display:block;margin:20px auto}.muted{color:var(--muted)}dialog{border:1px solid var(--line);border-radius:18px;padding:26px;max-width:560px;width:calc(100% - 32px);max-height:85vh;color:var(--ink);box-shadow:0 25px 80px #17213f30}dialog::backdrop{background:#18244465;backdrop-filter:blur(3px)}.dialoghead{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;gap:10px}.dialoghead h2{margin:0}.close{border:0;background:#edf0f7;border-radius:50%;width:34px;height:34px;font-size:24px;color:var(--muted)}.field{display:flex;flex-direction:column;gap:7px;margin:18px 0;font-weight:600;font-size:14px}.field input,.field select{font-weight:400}hr{border:0;border-top:1px solid var(--line);margin:24px 0}.row{display:flex;gap:10px;flex-wrap:wrap}.linkbutton{display:inline-block;text-decoration:none}.detailword{font:34px/1.3 Georgia,serif;margin:22px 0}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:var(--ink);color:white;max-width:calc(100% - 30px);padding:12px 20px;border-radius:10px;box-shadow:0 6px 20px #0002;z-index:99;font-size:14px}[hidden]{display:none!important}.completeIcon{width:60px;height:60px;background:#e8f4ee;color:#24765e;border-radius:50%;font-size:30px;display:grid;place-items:center;margin:20px}.completeTitle{font-size:27px;margin:10px 0}.empty{padding:45px;text-align:center;background:#fff;border:1px solid var(--line);border-radius:12px}@media(max-width:850px){.layout{grid-template-columns:minmax(0,1fr) 220px;gap:20px}main{padding:0 20px}.card{padding:25px}.level{display:none}h1{font-size:29px}}@media(max-width:650px){header{padding:14px 16px;gap:8px}.brand{font-size:21px}.brand b{font-size:24px;margin-right:6px}nav{gap:1px}nav button{padding:8px;font-size:13px}nav span{display:none}main{margin:26px auto 40px;padding:0 16px}.intro{align-items:flex-start}.intro .quiet{font-size:12px;padding:8px;max-width:100px}h1{font-size:26px}.layout{grid-template-columns:1fr}.card{min-height:330px;padding:23px}.card .word{font-size:36px}.card.reverse .word{font-size:25px}.translation{font-size:18px}.sessionbar{font-size:12px}.panel{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px}.panel>.eyebrow{max-width:80px}.stats{margin:0;gap:22px}.stats strong{font-size:26px}.goal,progress,.panel>.small{display:none}.journey{padding:20px 5px}.savehint{padding:16px 5px}.filters{flex-wrap:wrap}.search{flex-basis:100%}.filters select{font-size:14px}.listhead span:last-child{display:none}.wordrow{grid-template-columns:1fr;gap:4px;padding:16px}.wordrow small{display:inline;margin-left:8px}.wordrow span{font-size:14px}.below{font-size:11px}footer{padding:18px 16px;gap:10px}footer span{margin:0;flex-basis:100%}.rate{padding:10px 2px;font-size:14px}.rate span{font-size:11px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
.example{font-size:18px;line-height:1.6;color:#596784;font-style:italic;max-width:550px;margin:5px auto 16px}.keyhint{opacity:.55;margin-left:12px}.card .word{margin-bottom:12px}#detail .example{margin:20px 0}

.intro-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}.import-preview{background:#edf0ff;border:1px solid var(--line);border-radius:10px;padding:16px;margin:18px 0;overflow-wrap:anywhere}.import-preview p{margin:8px 0 0;font-size:14px}.import-error{color:#a12740;background:#fff0f2;border-radius:8px;padding:12px}.import-actions{margin-top:24px}#restoreFile{width:100%;font-size:14px}@media(max-width:650px){.intro-actions{gap:6px;max-width:110px}.intro-actions .quiet{width:100%}}

/* Phone and touch layouts. Keep study actions reachable and text comfortably sized. */
button,a,input,select{touch-action:manipulation}
.card,.study,.intro>div,.wordrow>*{min-width:0}
.detailword{overflow-wrap:anywhere;hyphens:auto}
@media (pointer:coarse){
 button,.quiet,.textbtn,.speak,nav button{min-height:44px}
 .close{min-width:44px;min-height:44px}
 #shortcut,.keyhint{display:none}
 .below{justify-content:flex-end}
 .rate:hover{transform:none}
}
@media (max-width:650px){
 header{display:grid;grid-template-columns:1fr;padding:12px max(16px,env(safe-area-inset-right)) 8px max(16px,env(safe-area-inset-left));gap:8px}
 .brand{font-size:22px;min-height:38px;justify-self:start}
 header nav{display:grid;grid-template-columns:1fr 1.4fr 1fr;width:100%;gap:6px}
 nav button{min-height:44px;font-size:15px;padding:8px 10px}
 nav span{display:inline;font-size:12px}
 main{margin:22px auto 32px;padding:0 max(16px,env(safe-area-inset-right)) 0 max(16px,env(safe-area-inset-left));min-height:0}
 .intro{display:block;margin-bottom:20px}
 h1{font-size:26px;line-height:1.25;letter-spacing:-.6px}
 .intro-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;max-width:none;margin-top:16px}
 .intro .quiet{max-width:none;width:100%;min-height:44px;font-size:14px;padding:10px}
 .sessionbar{font-size:13px;flex-wrap:wrap;gap:4px 12px;margin-bottom:10px}
 .card{min-height:270px;padding:20px 18px;border-radius:16px}
 .cardtop{gap:10px}
 .speak{min-height:44px;font-size:14px;padding:8px 14px}
 .card .word{font-size:clamp(28px,8vw,36px);hyphens:auto;line-height:1.25;margin:20px 0 14px}
 .example{font-size:17px;line-height:1.65;margin-bottom:10px}
 .card.reverse .word{font-size:25px}
 .translation{font-size:18px;overflow-wrap:anywhere}
 .source{font-size:14px;line-height:1.6;overflow-wrap:anywhere}
 .actions{position:sticky;bottom:0;z-index:3;background:var(--bg);margin:10px -4px 0;padding:10px 4px max(10px,env(safe-area-inset-bottom));gap:8px;border-radius:12px 12px 0 0;box-shadow:0 -8px 18px #f3f5faed}
 .actions>.primary{min-height:52px;font-size:16px}
 .rate{min-height:62px;font-size:15px;padding:10px 2px;border-radius:10px}
 .rate span{font-size:12px;margin-top:3px}
 .below{margin-top:0;justify-content:flex-end;font-size:14px}
 #shortcut,.keyhint{display:none}
 .textbtn{min-height:44px;text-align:left}
 .below .textbtn{padding:8px 4px}
 .panel{padding:18px;display:grid;grid-template-columns:1fr 1.6fr;gap:14px}
 .panel>.eyebrow{max-width:none}
 .stats{justify-content:flex-end;gap:20px}
 .stats span{font-size:13px}
 .goal{display:flex;grid-column:1/-1;font-size:14px}
 progress{display:block;grid-column:1/-1;margin:0}
 .panel>.small{display:block;grid-column:1/-1;font-size:13px}
 .savehint{font-size:14px}
 .filters{gap:10px;align-items:stretch}
 .filters>label:not(.search){flex:1;min-width:0}
 .filters select{width:100%}
 input,select,.filters select,#restoreFile{font-size:16px;min-height:48px}
 .filters>.quiet{min-height:48px;font-size:14px}
 .search input{padding:12px}
 .listhead{font-size:14px}
 .wordrow{padding:18px;gap:9px}
 .wordrow strong{font-size:17px;overflow-wrap:anywhere}
 .wordrow span{font-size:16px;line-height:1.5;overflow-wrap:anywhere}
 .wordrow span[lang]::before{content:attr(lang);text-transform:uppercase;display:inline-block;min-width:27px;margin-right:6px;color:var(--muted);font-size:12px;font-weight:650}
 #moreBtn{min-height:48px;width:100%}
 dialog{width:100%;max-width:100%;max-height:calc(100vh - 20px);max-height:calc(100dvh - 20px);margin:auto 0 0;border-radius:20px 20px 0 0;padding:22px max(20px,env(safe-area-inset-right)) max(22px,env(safe-area-inset-bottom)) max(20px,env(safe-area-inset-left));overscroll-behavior:contain;overflow-y:auto}
 .dialoghead{align-items:flex-start;gap:10px}
 .dialoghead h2{font-size:24px;line-height:1.3;padding-top:5px}
 .close{width:44px;height:44px;flex-shrink:0}
 .field{font-size:16px}
 dialog .row{display:grid;grid-template-columns:1fr 1fr}
 dialog .row>button{min-height:48px;white-space:normal}
 dialog .primary{min-height:50px}
 dialog .small{font-size:15px}
 #restoreFile::file-selector-button{font:inherit;padding:8px;margin-right:8px;border:1px solid var(--line);border-radius:6px;background:#edf0ff;color:var(--ink)}
 #toast{bottom:max(18px,env(safe-area-inset-bottom));width:calc(100% - 32px)}
 footer{padding-bottom:max(20px,env(safe-area-inset-bottom))}
}
@media(max-width:360px){
 main{padding-left:12px;padding-right:12px}
 h1{font-size:24px}
 .card{padding:18px 14px}
 .panel{grid-template-columns:1fr}
 .stats{justify-content:flex-start}
 dialog .row{grid-template-columns:1fr}
}

@media(max-width:360px){nav span{display:none}}