:root{--bg:#f6f8fa;--paper:#fff;--text:#263744;--muted:#82909b;--line:#e7edf1;--blue:#69b3e0;--bluebg:#e9f5fc;--blueink:#317ca9;--yellow:#e2b443;--yellowbg:#fff7db;--red:#d87575;--redbg:#fceeee;--shadow:0 18px 65px #21394e14}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:14px -apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans KR",sans-serif;line-height:1.6}button,input,select,textarea{font:inherit;color:inherit}button,select{cursor:pointer}button{border:0;background:none}button:focus-visible,a:focus-visible{outline:3px solid var(--blue);outline-offset:3px}input,select,textarea{background:var(--paper);border:1px solid var(--line);border-radius:10px;outline:none}input:focus,select:focus,textarea:focus{border-color:var(--blue)}input,select{height:42px;padding:0 12px;min-width:0;max-width:100%}textarea{padding:12px;resize:vertical;max-width:100%}svg{width:19px;height:19px;stroke:currentColor;stroke-width:1.7;fill:none;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.previewbar{height:56px;background:#243743;color:#e5edf2;display:flex;justify-content:space-between;align-items:center;padding:0 28px;gap:12px;position:relative;z-index:5}.previewlabel{font-size:11px;letter-spacing:2px}.previewlabel span{color:#9fb0bc;letter-spacing:0;margin-left:12px}.seg{display:flex;gap:3px;background:#ffffff10;border-radius:9px;padding:3px}.seg button{color:#b8c7d0;padding:5px 15px;font-size:12px;border-radius:6px}.seg button.on{background:#fff;color:#2e485a}.previewtools{display:flex;align-items:center;gap:16px}.devicebtn{color:#b8c7d0;font-size:12px}.app{max-width:940px;margin:0 auto;min-height:calc(100dvh - 56px);background:var(--paper);transition:max-width .2s}.app.phone{max-width:390px;box-shadow:var(--shadow)}header{height:84px;padding:0 40px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:12px}.identity{display:flex;align-items:center;gap:9px;min-width:0}.brand{display:flex;align-items:center;gap:10px;padding:0;font-size:17px;font-weight:750;letter-spacing:-.5px;white-space:nowrap}.avatar{width:34px;height:34px;border-radius:12px;background:var(--bluebg);color:var(--blueink);display:inline-flex;align-items:center;justify-content:center;font-size:18px;font-weight:600;object-fit:cover;overflow:hidden}.avatar img{width:100%;height:100%;object-fit:cover}.iconbtn{width:34px;height:36px;display:inline-flex;align-items:center;justify-content:center;border-radius:9px;color:var(--muted)}.iconbtn:hover{background:var(--bg);color:var(--text)}.theme{display:flex;align-items:center;width:69px;height:33px;border-radius:20px;background:var(--bg);padding:3px;border:1px solid var(--line);gap:2px}.theme span{display:flex;align-items:center;justify-content:center;width:28px;height:25px;border-radius:50%;color:var(--muted)}.theme .sun{background:var(--paper);color:var(--yellow);box-shadow:0 1px 4px #00000010}.theme svg{width:16px;height:16px}main{padding:30px 40px 50px}.titleline{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:22px}h1{font-size:26px;letter-spacing:-1px;margin:0;font-weight:700}h2{font-size:21px;letter-spacing:-.6px;margin:0}p{margin:0}.eyebrow{color:var(--muted);font-size:11px;letter-spacing:1px;margin-bottom:4px}.primary,.soft,.outline{display:inline-flex;justify-content:center;align-items:center;gap:7px;border-radius:11px;min-height:41px;padding:9px 16px;font-size:13px;font-weight:600}.primary{background:var(--blueink);color:white}.soft{background:var(--bluebg);color:var(--blueink)}.outline{border:1px solid var(--line);background:var(--paper)}.soft:hover,.outline:hover{filter:brightness(.98)}.statline{display:flex;align-items:center;gap:18px;padding:12px 0 20px;color:var(--muted);font-size:12px}.statline strong{font-size:15px;color:var(--text);margin-left:5px}.statline .known strong{color:var(--blueink)}.statline .divider{width:1px;height:12px;background:var(--line)}.toolbar{display:flex;gap:10px;align-items:center;justify-content:space-between;margin-bottom:14px}.lesson{flex:1;max-width:440px;width:100%;font-weight:500;background:var(--bg);border:0;padding-right:28px}.studybtn{white-space:nowrap}.searchbox{display:flex;align-items:center;gap:9px;padding:0 12px;height:43px;border:1px solid var(--line);border-radius:11px;margin-bottom:15px;color:var(--muted)}.searchbox input{width:100%;padding:0;border:0;background:none;height:40px;font-size:13px}.filters{display:flex;gap:7px;margin-bottom:20px}.filter{height:34px;min-width:42px;display:flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:9px;font-size:19px;line-height:1}.filter.all{font-size:12px;padding:0 12px}.filter.active{border-color:var(--text);background:var(--text);color:var(--paper)}.filter[data-state="known"]{color:var(--blueink)}.filter[data-state="review"]{color:#be941b}.filter[data-state="hard"]{color:var(--red)}.filter.active[data-state="known"]{background:var(--bluebg);border-color:var(--blue);color:var(--blueink)}.filter.active[data-state="review"]{background:var(--yellowbg);border-color:var(--yellow);color:#be941b}.filter.active[data-state="hard"]{background:var(--redbg);border-color:var(--red);color:var(--red)}.tablehead,.wordrow{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1.15fr) 74px;align-items:center;gap:16px}.tablehead{font-size:11px;color:var(--muted);padding:11px 12px;background:var(--bg);border-radius:9px}.tablehead span:last-child{text-align:center}.wordrow{padding:19px 12px;border-bottom:1px solid var(--line);min-height:86px}.wordrow.own{background:#f2f9fd}.wordcell{min-width:0;overflow-wrap:anywhere}.jp{font-family:"Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;font-size:21px;line-height:1.65;letter-spacing:.03em;overflow-wrap:anywhere;cursor:pointer}.jp ruby{ruby-position:over}.jp rt{font-size:12px;color:var(--muted);font-weight:400;letter-spacing:.02em}.meaning{font-size:13px;overflow-wrap:anywhere;white-space:pre-line;line-height:1.6}.status{display:flex;justify-content:center}.badge{width:34px;height:34px;border-radius:50%;font-size:23px;line-height:1;display:flex;align-items:center;justify-content:center}.badge.known{background:var(--bluebg);color:var(--blueink)}.badge.review{background:var(--yellowbg);color:#bf951e}.badge.hard{background:var(--redbg);color:var(--red)}.resultnote{font-size:11px;color:var(--muted);text-align:right;margin-top:14px}.teacherpanel{display:none;margin-bottom:24px}.teacher .teacherpanel{display:block}.studentstrip{display:flex;gap:7px;flex-wrap:wrap;margin:0 0 18px}.studentchip{border:1px solid var(--line);background:var(--paper);border-radius:20px;padding:5px 12px;font-size:12px;display:flex;gap:6px;align-items:center;min-height:36px}.studentchip.active{background:var(--bluebg);border-color:var(--blue);color:var(--blueink)}.studentchip i{width:20px;height:20px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:var(--bg);font-size:10px;font-style:normal}.managebox{display:flex;justify-content:space-between;align-items:center;gap:8px;padding-bottom:18px;border-bottom:1px solid var(--line)}.managebox p{font-size:12px;color:var(--muted)}.managebox strong{color:var(--text);font-size:15px;display:block}.manageactions{display:flex;gap:6px}.manageactions button{padding:8px 12px;min-height:36px;font-size:12px}.teacher .newlesson{display:inline-flex}.newlesson{display:none;font-size:12px;color:var(--blueink);padding:0 0 12px}.empty{text-align:center;color:var(--muted);padding:50px 10px}.floating-menu{position:fixed;top:130px;left:50%;transform:translateX(-50%);width:min(280px,90vw);background:var(--paper);border:1px solid var(--line);box-shadow:var(--shadow);padding:8px;border-radius:15px;z-index:30}.floating-menu button{display:flex;align-items:center;width:100%;text-align:left;padding:12px;border-radius:8px;font-size:13px;gap:10px}.floating-menu button:hover{background:var(--bg)}.floating-menu p{font-size:11px;color:var(--muted);padding:8px 12px;border-bottom:1px solid var(--line);margin-bottom:4px}.shade{position:fixed;inset:0;background:#15273255;backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:40;padding:20px}.dialog{background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:25px;width:440px;max-width:100%;max-height:90dvh;overflow:auto;box-shadow:var(--shadow)}.dialogtop{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.tabs{display:flex;gap:5px;padding:4px;background:var(--bg);border-radius:10px;margin-bottom:20px}.tabs button{flex:1;font-size:12px;padding:7px;border-radius:7px;color:var(--muted)}.tabs button.active{background:var(--paper);color:var(--text);box-shadow:0 2px 4px #00000008}.field{display:block;font-size:12px;margin-top:13px;color:var(--muted)}.field input,.field textarea{display:block;width:100%;margin-top:5px;color:var(--text)}.field input{height:38px}.field textarea{height:80px;min-height:80px}.dialogbottom{display:flex;justify-content:flex-end;gap:8px;margin-top:23px}.hint{font-size:12px;color:var(--muted);line-height:1.8}.context{color:var(--blueink);font-size:11px;margin-top:-12px;margin-bottom:18px}.sharelist{display:grid;gap:8px;margin-top:16px}.shareitem{display:flex;align-items:center;gap:10px;padding:10px 12px;border:1px solid var(--line);border-radius:10px;cursor:pointer}.shareitem input{width:16px;height:16px;accent-color:var(--blueink)}.shareitem span{font-size:13px}.shareitem small{margin-left:auto;color:var(--muted);font-size:11px}.study{position:fixed;inset:0;background:var(--paper);z-index:60;display:flex;flex-direction:column;padding:env(safe-area-inset-top) 0 env(safe-area-inset-bottom)}.studyhead{display:flex;justify-content:space-between;align-items:center;padding:20px 28px;font-size:12px;color:var(--muted)}.studyhead strong{color:var(--text);font-weight:600}.studyoptions{display:flex;justify-content:center;gap:7px;padding:4px 20px;flex-wrap:wrap}.studyoptions button{font-size:11px;padding:7px 12px;border-radius:18px;border:1px solid var(--line);color:var(--muted)}.studyoptions button.selected{background:var(--bluebg);color:var(--blueink);border-color:var(--bluebg)}.studycontent{font-family:"Zen Maru Gothic",sans-serif;flex:1;min-height:0;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:28px 22px;overflow:auto;text-align:center}.example{font-size:13px;color:#91999f;line-height:1.9;max-width:560px;margin-bottom:32px}.example b{font-weight:750;color:#737e86}.prompt{font-size:clamp(34px,7vw,58px);font-family:"Zen Maru Gothic",sans-serif;letter-spacing:.04em;line-height:1.5;overflow-wrap:anywhere;max-width:100%}.answer{min-height:78px;margin-top:24px;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:7px}.answer .reading{font-size:19px;color:var(--blueink)}.answer .translation{font-size:16px}.answer .translation.jpanswer{font-family:"Zen Maru Gothic",sans-serif;font-size:clamp(32px,6vw,46px);line-height:1.5}.answer .reading{font-family:"Zen Maru Gothic",sans-serif}.studydetail{font-family:"Zen Maru Gothic",sans-serif;font-size:25px;margin-bottom:12px}.studydetail rt{font-size:13px;color:var(--muted)}.brand{max-width:100%}.brand>span:last-child{max-width:155px;overflow:hidden;text-overflow:ellipsis}.wordrow{padding-top:23px}.showanswer{margin-top:0;padding:9px 22px}.studybottom{max-width:560px;width:100%;margin:0 auto;padding:16px 20px 25px}.statusactions{display:grid;grid-template-columns:1fr 1fr 1.2fr;gap:8px}.statusactions button{border-radius:13px;padding:13px 4px;font-size:11px;display:flex;flex-direction:column;gap:4px;align-items:center}.statusactions i{font-style:normal;font-size:25px;line-height:1.2}.reviewaction{background:var(--yellowbg);color:#ad8620}.knownaction{background:var(--bluebg);color:var(--blueink)}.hardaction{background:var(--redbg);color:var(--red)}.studynav{display:flex;align-items:center;justify-content:space-between;margin-top:18px;color:var(--muted);font-size:12px}.studynav button{padding:5px 10px}.progress{height:3px;background:var(--line);position:absolute;top:0;left:0;width:100%}.progress div{height:100%;background:var(--blue);transition:width .2s}.toast{position:fixed;left:50%;bottom:30px;transform:translateX(-50%);background:#283e4b;color:white;padding:11px 20px;border-radius:12px;font-size:12px;box-shadow:var(--shadow);z-index:100;width:max-content;max-width:90vw;text-align:center}.loginview{display:flex;align-items:center;justify-content:center;min-height:70vh;padding:30px}.logincard{width:340px;text-align:center}.logincard h1{margin:18px 0 30px}.googlebutton{width:100%;background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:13px;font-size:13px;display:flex;justify-content:center;align-items:center;gap:12px}.googleletter{color:#4285f4;font-size:21px;font-weight:700}.loginhint{font-size:11px;color:var(--muted);margin-top:18px}.loginback{font-size:12px;color:var(--blueink);margin-top:24px}.bottomnote{font-size:10px;color:var(--muted);text-align:center;margin-top:28px}.phone header{padding:0 20px;height:72px}.phone main{padding:24px 20px 40px}.phone h1{font-size:23px}.phone .tablehead,.phone .wordrow{grid-template-columns:minmax(0,1fr) minmax(0,1fr) 48px;gap:10px;padding-left:9px;padding-right:9px}.phone .tablehead{font-size:10px}.phone .jp{font-size:19px}.phone .jp rt{font-size:11px}.phone .meaning{font-size:12px}.phone .toolbar{gap:8px}.phone .lesson{font-size:11px;padding-left:10px;padding-right:18px}.phone .studybtn{padding:9px 12px;font-size:12px}.phone .managebox{align-items:flex-start;flex-direction:column;gap:10px}.phone .brand{font-size:16px}.phone .studentstrip{gap:5px}.phone .studentchip{padding:4px 9px}.phone .titleline{margin-bottom:12px}.phone .statline{padding-bottom:17px}.phone .titleline .outline{font-size:12px;padding:8px 12px}.dark{--bg:#17212a;--paper:#1e2b35;--text:#e5edf2;--muted:#94a6b3;--line:#30404c;--bluebg:#243f52;--blueink:#91c8eb;--yellowbg:#443e28;--redbg:#4a3035;--red:#edaaaa}.dark .primary{background:#78bae3;color:#152c3b}.dark .wordrow.own{background:#223745}.dark .theme .sun{background:none;color:var(--muted);box-shadow:none}.dark .theme .moon{background:var(--paper);color:#b4cce4;box-shadow:0 1px 4px #0003}.dark .example{color:#9ba9b2}.dark .example b{color:#c3cdd3}[hidden]{display:none!important}@media(max-width:620px){.previewbar{padding:8px 12px;height:auto;min-height:55px;gap:6px}.previewlabel{font-size:9px;letter-spacing:1px}.previewlabel span,.devicebtn{display:none}.previewtools{gap:5px}.seg button{padding:5px 10px;font-size:11px}.app{max-width:100%}.app.phone{max-width:100%;box-shadow:none}header{padding:0 20px;height:72px}main{padding:24px 20px 40px}h1{font-size:23px}.tablehead,.wordrow{grid-template-columns:minmax(0,1fr) minmax(0,1fr) 48px;gap:10px;padding-left:9px;padding-right:9px}.tablehead{font-size:10px}.jp{font-size:19px}.jp rt{font-size:11px}.meaning{font-size:12px}.toolbar{gap:8px}.lesson{font-size:11px;padding-left:10px;padding-right:18px}.studybtn{padding:9px 12px;font-size:12px}.managebox{flex-direction:column;align-items:flex-start;gap:10px}.titleline{margin-bottom:12px}.titleline .outline{font-size:12px;padding:8px 12px}.brand{font-size:16px}.studentstrip{gap:5px}.studentchip{padding:4px 9px}.dialog{padding:20px}.shade{padding:12px}.studyhead{padding:18px}.studycontent{padding:20px}.example{font-size:12px;margin-bottom:25px}.statline{padding-bottom:17px}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}

/* Refined compact layout */
.brand,#brandTitle{font-family:"Noto Sans JP",sans-serif;font-weight:700}.brand{gap:7px}.brand .avatar{padding:0;flex-shrink:0}.brand>div{min-width:0;display:flex;align-items:center;white-space:nowrap}.title-name{font-family:inherit;font-weight:700;font-size:inherit;color:var(--blueink);background:var(--bluebg);padding:2px 5px;border-radius:6px;max-width:100px;overflow:hidden;text-overflow:ellipsis}.title-suffix{font-family:inherit;font-weight:700;font-size:inherit;padding:0;letter-spacing:-.6px}.teacher-title{font:700 15px "Noto Sans JP",sans-serif;padding:0;white-space:nowrap}.teacher header{background:var(--yellowbg)}.teacher .avatar{background:#fff0b3;color:#a17b23}.header-right{display:flex;align-items:center;gap:7px;flex-shrink:0}.identity{gap:5px}.bell{position:relative;width:30px;flex-shrink:0}.bell svg{width:19px;height:19px}.unread-dot{position:absolute;right:3px;top:6px;width:6px;height:6px;border-radius:50%;background:#db6565;box-shadow:0 0 0 2px var(--paper)}.teacherpanel{margin-bottom:20px}.studentstrip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:7px;margin-bottom:16px;max-width:440px}.studentchip,.phone .studentchip{border-radius:9px;justify-content:center;min-height:32px;padding:4px 8px;font-size:12px}.studentchip i{display:none}.managebox,.phone .managebox{flex-direction:row;align-items:center;padding-bottom:16px;gap:5px}.managebox strong{font-size:14px}.manageactions{gap:5px}.manageactions button{padding:7px 10px;min-height:34px;font-size:11px}.statline,.phone .statline{margin:0;padding:0 0 15px;gap:12px;min-height:45px}.statline strong{font-size:13px;margin-left:4px}.statline>span{white-space:nowrap}.add-compact{margin-left:0;display:flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:9px;background:var(--bluebg);color:var(--blueink)}.add-compact svg{width:17px;height:17px;stroke-width:1.8}.filters{margin-bottom:9px}.filter{padding:0;width:40px;min-width:40px;height:33px}.filter.all{width:auto;min-width:48px}.filter svg{display:block;width:19px;height:19px;stroke-width:1.8}.badge{padding:0;flex-shrink:0}.badge svg{width:21px;height:21px;stroke-width:1.8;display:block}.statusactions i{height:30px;display:flex;align-items:center;justify-content:center;width:30px}.statusactions i svg{width:25px;height:25px;stroke-width:1.7}.statusactions button.chosen{box-shadow:inset 0 0 0 1.5px currentColor}.word-detail{text-align:center;padding:8px 4px 22px}.studydetail{line-height:2;font-size:29px;margin-bottom:9px}.studydetail rt{font-family:"Zen Maru Gothic",sans-serif;font-size:14px}.detail-meaning{font-size:15px;white-space:pre-line}.detail-example{font-family:"Zen Maru Gothic",sans-serif;font-size:14px;color:var(--muted);line-height:1.9;margin-top:21px}.detail-example b{font-weight:700;color:var(--text)}.edit-link{display:block;color:var(--muted);font-size:11px;margin:19px auto 0;padding:3px 10px}.studyoptions{max-width:620px;width:100%;margin:0 auto;padding:4px 20px;gap:6px}.studyoptions button{font-size:13px;padding:7px 13px;min-height:36px}.studyoptions .shuffle-top{background:var(--yellowbg);border-color:var(--yellow);color:#a88118;display:flex;align-items:center;gap:5px;margin-left:5px;font-size:12px;font-weight:600}.shuffle-top svg{width:15px;height:15px}.example{font-size:14px}.tap-hint{margin-top:18px;text-align:center;font-size:10px;letter-spacing:.2px;color:var(--muted)}.studycontent{cursor:pointer;touch-action:pan-y;position:relative}.studycontent button{cursor:pointer}.studycontent .example{max-width:520px}.notify-toggle{display:flex;align-items:center;gap:11px;padding:16px 12px;background:var(--yellowbg);border-radius:10px;margin-top:18px;font-size:13px;cursor:pointer}.notify-toggle input{width:17px;height:17px;accent-color:#b18a20;flex-shrink:0}.notify-toggle small{display:block;font-size:10px;color:var(--muted);margin-top:2px}.notification-tools{display:flex;justify-content:space-between;align-items:center;font-size:11px;margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--line);color:var(--muted)}.notification-tools button{color:var(--blueink);padding:3px 0}.notification-tools label{display:flex;align-items:center;gap:7px}.notification-tools input{width:16px;height:16px;accent-color:var(--blueink)}.notification-list{display:grid;gap:7px}.notification{display:flex;align-items:flex-start;gap:10px;padding:15px 12px;border-radius:11px;background:var(--bg);text-align:left;width:100%}.notification.unread{background:var(--bluebg)}.notification strong{font-size:12px;line-height:1.7;font-weight:500;display:block}.notification small{display:block;color:var(--muted);font-size:10px;margin-top:7px}.notification-bullet{width:5px;height:5px;flex-shrink:0;border-radius:50%;background:transparent;margin-top:7px}.unread .notification-bullet{background:#db6565}.notification-arrow{margin-left:auto;color:var(--muted);font-size:20px}.preview-notice{font-size:10px;color:var(--muted);margin-top:20px;text-align:center}.phone header{padding:0 16px;gap:6px}.phone .brand{font-size:14px}.phone .avatar{width:28px;height:30px;font-size:16px;border-radius:10px}.phone .identity>.iconbtn{width:26px}.phone .theme{width:60px;height:31px}.phone .theme span{width:24px;height:23px}.phone .theme svg{width:15px;height:15px}.phone main{padding-top:20px}.dark .teacher .avatar{background:#51462c;color:#dfc77d}.dark .studyoptions .shuffle-top{color:#e1c367}
@media(max-width:620px){header{padding:0 16px;gap:6px}.brand{font-size:14px}.avatar{width:28px;height:30px;font-size:16px;border-radius:10px}.identity>.iconbtn{width:26px}.theme{width:60px;height:31px}.theme span{width:24px;height:23px}.theme svg{width:15px;height:15px}main{padding-top:20px}.statline{padding:0 0 15px}.studentstrip{gap:7px}.studentchip{padding:4px 8px}.managebox{flex-direction:row;align-items:center}.example{font-size:13px}.studyoptions{gap:5px;padding:4px 12px}.studyoptions button{padding:7px 11px;font-size:12px}.studyoptions .shuffle-top{margin-left:2px;padding:7px 10px;font-size:11px}}
@media(max-width:350px){header,.phone header{padding:0 10px}.brand,.phone .brand{font-size:12px;gap:5px}.teacher-title{font-size:13px}.header-right{gap:2px}.identity{gap:2px}.title-name{max-width:75px}.manageactions button{padding:6px 8px}}


/* Study versus quiz and compact teacher workflow */
.header-right{position:relative}.notification-dropdown{position:absolute;top:calc(100% + 16px);right:0;width:320px;max-width:calc(100vw - 26px);background:var(--paper);border:1px solid var(--line);border-radius:15px;box-shadow:0 12px 40px #142b3d25;z-index:35;padding:16px}.notification-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:13px}.notification-heading strong{font-size:14px}.notification-heading button{font-size:10px;color:var(--blueink)}.push-settings{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:13px;margin-bottom:12px;font-size:11px;color:var(--muted)}.push-segment{display:flex;background:var(--bg);padding:3px;border-radius:8px;gap:2px}.push-segment button{padding:4px 11px;border-radius:6px;font-size:11px}.push-segment button.active{background:var(--bluebg);color:var(--blueink);font-weight:700}.notification-list{max-height:330px;overflow-y:auto;overscroll-behavior:contain}.learning-buttons{display:flex;gap:7px;flex-shrink:0}.teacher-add{display:none;white-space:nowrap}.teacher .teacher-add{display:flex}.teacher .learning-buttons,.teacher .newlesson{display:none}.teacher .studentstrip{grid-template-columns:repeat(7,minmax(0,1fr));max-width:none;gap:5px}.teacher .studentchip{min-width:0;font-size:11px;min-height:30px;padding:4px 0;border-radius:7px}.brand,.phone .brand{font-size:16px}.teacher-title{font-size:14px}.learning-buttons .studybtn{font-size:12px;padding:9px 12px}.toolbar{flex-wrap:wrap}.toolbar .lesson{max-width:none;flex:1 1 100%}.toolbar .learning-buttons{margin-left:auto;width:100%}.learning-buttons button{flex:1}.teacher .toolbar{flex-wrap:nowrap}.teacher .toolbar .lesson{flex:1 1 auto;width:auto}.teacher-add{font-size:12px;padding:9px 12px}.no-title .dialogtop{margin-bottom:0;justify-content:flex-end}.no-title .dialogtop h2{display:none}.student-add-hint{font-size:10px;color:var(--muted);margin-top:9px}.korean-prompt{font-family:inherit;font-size:clamp(25px,5vw,38px);max-width:550px;line-height:1.65}.learn-prompt{font-family:"Zen Maru Gothic",sans-serif;line-height:1.9}.learn-prompt rt{font-family:"Zen Maru Gothic",sans-serif;font-size:19px;color:var(--blueink);font-weight:400}.learn-meaning{font-size:21px;line-height:1.7;margin-top:20px;max-width:560px;white-space:pre-line}.learn-example{margin-top:33px;margin-bottom:0}.work-date-title{display:grid;grid-template-columns:145px minmax(0,1fr);gap:10px}.work-word-fields{display:grid;grid-template-columns:1fr 1fr;gap:10px}.work-tabs{margin-top:22px;margin-bottom:5px}.work-queue-button{font-size:11px;color:var(--blueink);background:var(--bluebg);border-radius:8px;padding:7px 10px;margin-top:12px;width:100%}.work-paste{margin-top:12px;min-height:120px;max-height:200px;overflow:auto;padding:10px;border:1px solid var(--line);border-radius:10px;font-size:12px}.work-pending{background:var(--bg);padding:12px;margin-top:16px;border-radius:9px;font-size:11px}.work-pending strong{font-weight:500;color:var(--muted)}.work-pending>div{display:flex;gap:6px;flex-wrap:wrap;margin-top:6px}.work-pending span{background:var(--paper);border:1px solid var(--line);padding:3px 7px;border-radius:5px}.work-students{border:0;border-top:1px solid var(--line);margin:24px 0 0;padding:16px 0 0}.work-students legend{font-size:12px;color:var(--muted);padding:0 6px 0 0}.work-students>div{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:7px}.work-students label{display:flex;align-items:center;justify-content:center;gap:5px;border:1px solid var(--line);border-radius:8px;padding:6px;font-size:11px;cursor:pointer}.work-students label:has(input:checked){background:var(--bluebg);border-color:var(--blue)}.work-students input{width:13px;height:13px;padding:0;accent-color:var(--blueink)}.work-footer{position:sticky;bottom:-25px;padding-top:14px;padding-bottom:4px;background:var(--paper)}.work-footer button{flex:1}.field select{display:block;width:100%;margin-top:6px}.dialog:has(#teacherWorkForm){width:550px}.phone .toolbar .learning-buttons{gap:7px}.phone .brand>div{font-size:16px}.phone .teacher-title{font-size:13px}
@media(max-width:620px){.brand{font-size:16px}.teacher-title{font-size:13px}.work-date-title{grid-template-columns:130px minmax(0,1fr);gap:8px}.work-footer{bottom:-20px}.learn-prompt rt{font-size:17px}.learn-meaning{font-size:19px}.work-students>div{gap:5px}.work-students label{padding:6px 3px}}
@media(max-width:350px){.brand,.phone .brand,.phone .brand>div{font-size:14px}.teacher-title,.phone .teacher-title{font-size:12px}.brand .avatar{width:24px}.header-right{gap:0}.theme{width:56px}.teacher .studentchip{font-size:10px}.work-date-title{grid-template-columns:1fr}}


.app{max-width:1000px;min-height:100dvh}.previewbar{display:none}header{position:relative}.teacher header{background:var(--yellowbg)}:root{--blue:#48a6dc;--bluebg:#d7eefc;--blueink:#2375a7;--yellow:#dfb32c;--yellowbg:#fff0b1}main{padding-top:24px}.lesson-picker{position:relative;flex:1;min-width:0}.lesson-button{width:100%;display:flex;align-items:center;justify-content:space-between;gap:10px;text-align:left;border:1px solid var(--line);border-radius:10px;background:var(--bg);padding:11px 12px;font-size:12px}.deck-popover{position:absolute;top:calc(100% + 6px);left:0;min-width:280px;width:100%;max-width:calc(100vw - 40px);padding:10px;background:var(--paper);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);z-index:25;max-height:360px;overflow:auto}.deck-choice{display:flex;gap:9px;align-items:center;padding:9px 5px;font-size:12px;cursor:pointer}.deck-choice input{height:16px;width:16px;accent-color:var(--blueink)}.deck-choice span{overflow-wrap:anywhere}.toolbar .learning-buttons{width:auto}.toolbar{flex-wrap:nowrap}.teacher .studentstrip{grid-template-columns:repeat(7,minmax(0,1fr))}.status .badge.none{background:transparent;border:1px dashed var(--line);width:27px;height:27px}.error-banner{border:1px solid var(--red);background:var(--redbg);color:var(--red);padding:12px;font-size:12px;margin-bottom:18px;border-radius:9px}.teacher-empty{color:var(--muted);font-size:12px;margin-bottom:14px}.management-links{display:flex;gap:12px;margin-top:8px;flex-wrap:wrap}.management-links button{font-size:11px;color:var(--blueink);padding:0}.teacherpanel{margin-bottom:20px}.teacher-add{display:inline-flex}.student .teacher-add{display:none}.account-card{width:min(400px,calc(100% - 32px));margin:80px auto;border:1px solid var(--line);background:var(--paper);border-radius:18px;padding:28px}.account-card h1{font-size:25px;margin-bottom:24px}.account-card button{margin-top:12px;width:100%}.account-card label{display:block;margin-top:14px;font-size:12px;color:var(--muted)}.account-card input{width:100%;margin-top:6px}.locked #app{display:none}.field input{width:100%}.notification-dropdown{right:0}.header-right{position:static}.studyoptions .loop-button{min-width:37px;font:24px/1 sans-serif;padding:3px 10px}.studyoptions .loop-button.active{background:var(--bluebg);border-color:var(--blue);color:var(--blueink)}.badge.none svg{display:none}.studycontent .learn-example{max-width:580px}.examples{display:grid;gap:10px}.print-only{display:none}.settings-section{border-top:1px solid var(--line);margin-top:20px;padding-top:16px}.settings-section h3{font-size:13px;margin:0 0 12px}.toggle-row{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:12px 0;font-size:12px}.toggle-row input{width:16px;height:16px;accent-color:var(--blueink)}.days{display:flex;gap:7px;flex-wrap:wrap}.days label{display:flex;gap:4px;font-size:11px;align-items:center}.days input{width:13px;height:13px}.push-detail{font-size:11px;color:var(--muted);line-height:1.7}.busy{opacity:.65;pointer-events:none}.view-only{padding:10px;background:var(--yellowbg);border-radius:8px;font-size:11px;margin-bottom:15px}.detail-top{display:flex;justify-content:space-between;align-items:center}.none-option{display:block;margin:13px auto 0;font-size:11px;color:var(--muted)}.export-button{font-size:11px;color:var(--muted);margin-left:auto}.student-name-select{font-size:12px}.statusactions button:disabled{opacity:.55;cursor:default}.work-students label input{flex-shrink:0}.settings-action{margin-top:15px}.student-add-hint{font-size:10px;color:var(--muted)}.badge{min-height:30px}.refreshing svg{animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}
@media(max-width:620px){.app{width:100%}.toolbar{flex-wrap:wrap}.lesson-picker{flex:1 1 100%}.toolbar .learning-buttons{width:100%}.teacher .toolbar .lesson-picker{flex:1;min-width:0}.brand{font-size:15px}.title-name{max-width:80px}.identity{gap:2px}.identity>.iconbtn{width:25px}.header-right{gap:3px}.brand .avatar{width:26px}.teacher-title{font-size:13px}.toolbar .teacher-add{padding:10px;font-size:11px}.managebox{flex-wrap:wrap}.export-button{margin-left:auto}.statline{gap:10px}.statline strong{margin-left:2px}.work-date-title{grid-template-columns:125px minmax(0,1fr)}}
@media(max-width:360px){header{padding:0 10px}.brand{font-size:13px}.header-right{gap:1px}.theme{width:52px}.theme span{width:21px}.identity>.iconbtn{width:23px}.teacher-title{font-size:11px}.brand{gap:4px}.statline{gap:7px}.export-button{font-size:10px}}
@media print{body{background:white!important;color:#111!important}body>*{display:none!important}#printArea{display:block!important;font:12px sans-serif}#printArea h1{font-size:20px;margin:0 0 18px}#printArea table{width:100%;border-collapse:collapse;table-layout:fixed}#printArea th,#printArea td{padding:12px 8px;border:1px solid #ccc;overflow-wrap:anywhere;white-space:pre-line}#printArea tr{break-inside:avoid}#printArea ruby{font-size:18px}#printArea rt{font-size:10px}#printArea thead{display:table-header-group}@page{size:A4;margin:15mm}}

.status .badge.none{border:0;background:transparent}.brand>div{font-family:"Noto Sans JP",sans-serif}.field input[type=date]{min-width:0}.prompt{white-space:pre-line}.learn-meaning{white-space:pre-line}

.field textarea.thin-input{height:38px;min-height:38px;padding:7px 12px;line-height:22px;resize:vertical}.jp{font-weight:400}.dialog::backdrop{background:#15273255;backdrop-filter:blur(3px)}

.detail-example{white-space:pre-line}

.app[data-word-size=small]{--word-size:18px;--meaning-size:12px;--reading-size:11px}.app[data-word-size=smaller]{--word-size:16px;--meaning-size:11px;--reading-size:10px}.app[data-word-size=smallest]{--word-size:14px;--meaning-size:10px;--reading-size:9px}.app[data-word-size] .wordrow .jp{font-size:var(--word-size)}.app[data-word-size] .wordrow .meaning{font-size:var(--meaning-size)}.app[data-word-size] .wordrow .jp rt{font-size:var(--reading-size)}a.primary,a.outline{text-decoration:none}.dialogbottom a{cursor:pointer}

/* v2.2: keep notices inside the active dialog and long expressions in their cells. */
.modal-notice{padding:11px 13px;border-radius:10px;margin:0 0 14px;background:var(--bluebg);color:var(--blueink);font-size:12px;overflow-wrap:anywhere}.modal-notice.error{background:var(--redbg);color:var(--red)}.student-email{display:block;font-size:11px;color:var(--muted);font-weight:400;overflow-wrap:anywhere}.pending-actions{display:flex;gap:5px;flex-shrink:0}.danger{color:var(--red)}.primary.danger{background:var(--red);color:#fff}.paste-header{display:flex;gap:7px;align-items:center;font-size:12px;margin-top:12px}.paste-header input{height:auto}.paste-columns{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.paste-sample{display:block;color:var(--muted);font-size:10px;overflow-wrap:anywhere;margin-top:4px;white-space:pre-line}.paste-preview{background:var(--bg);padding:9px;border-radius:9px;font-size:11px;overflow-wrap:anywhere;margin-top:12px}.paste-preview p+p{margin-top:6px}
.wordcell,.meaning,.wordrow>div{min-width:0}.wordcell .jp{display:block;width:100%;max-width:100%;white-space:normal;word-break:normal;overflow-wrap:anywhere}.term-reading{display:block;font-size:.55em;line-height:1.6;color:var(--muted);letter-spacing:normal;font-weight:400;white-space:pre-wrap;overflow-wrap:anywhere;margin-bottom:.25em}.term-text{display:block;white-space:pre-wrap;letter-spacing:normal;word-break:normal;overflow-wrap:anywhere}.app[data-word-size] .wordrow .term-reading{font-size:var(--reading-size)}.studydetail,.word-detail,.answer,.learn-meaning,.examples{max-width:100%;min-width:0;overflow-wrap:anywhere}.studycontent>*{flex-shrink:0;max-width:100%}.studycontent{min-width:0;overflow-x:hidden;justify-content:safe center}.studyhead,.studyoptions,.studybottom{flex-shrink:0}.prompt:not(.korean-prompt){font-size:min(var(--fit-size,56px),8vw);line-height:1.7;word-break:normal;overflow-wrap:anywhere;width:100%;max-width:680px}.study .term-reading{font-size:clamp(13px,3.7vw,20px);color:var(--blueink);margin-bottom:12px}.study .answer .jpanswer{font-size:min(var(--fit-size,46px),7vw);overflow-wrap:anywhere}.study .answer .reading{max-width:100%;white-space:pre-wrap;overflow-wrap:anywhere;letter-spacing:normal}.studydetail .term-reading{font-size:14px}.wordrow{height:auto}.meaning{word-break:normal}

/* Responsive form sizing, including Safari's intrinsic date-field width. */
.dialog{max-width:calc(100vw - 24px);max-height:calc(100dvh - 32px - env(safe-area-inset-top) - env(safe-area-inset-bottom));overflow-x:hidden}.dialog:has(#composeForm){width:560px}.dialogtop{gap:12px;align-items:flex-start}.dialogtop h2{min-width:0;overflow-wrap:anywhere}.dialogtop .iconbtn{flex-shrink:0}.dialog .field{min-width:0;max-width:100%}.dialog .field input,.dialog .field textarea,.dialog .field select{display:block;width:100%;min-width:0;max-width:100%;box-sizing:border-box}.work-date-title{grid-template-columns:minmax(0,145px) minmax(0,1fr);align-items:start}.dialog input[type=date],.dialog input[type=time]{appearance:none;-webkit-appearance:none;display:block;width:100%;min-width:0;max-width:100%;text-align:left}.dialog input::-webkit-date-and-time-value{text-align:left;min-width:0}.dialogbottom{flex-wrap:wrap}.work-footer button{min-width:0;white-space:normal}.work-students label{min-width:0;overflow-wrap:anywhere}.work-students label input{flex-shrink:0}.pending-actions{flex-wrap:wrap;justify-content:flex-end}.sharelist>div>span{min-width:0;overflow-wrap:anywhere}.dialog .toggle-row{gap:12px}.dialog .toggle-row input[type=checkbox]{width:auto;flex-shrink:0}.dialog select{white-space:nowrap;text-overflow:ellipsis}.word-detail{width:100%}
@media(max-width:480px){.dialog{padding:18px;max-width:calc(100vw - 20px);border-radius:17px}.dialogtop h2{font-size:18px;line-height:1.5}.dialog input:not([type=checkbox]):not([type=radio]),.dialog select,.dialog textarea{font-size:16px}.work-date-title{grid-template-columns:minmax(0,1fr);gap:0}.work-word-fields{grid-template-columns:minmax(0,1fr)}.work-footer{bottom:-18px;padding-bottom:8px;gap:8px}.work-footer button{font-size:12px;padding:9px 10px}.paste-columns{grid-template-columns:repeat(2,minmax(0,1fr))}.student-email{max-width:100%}.dialog .statusactions button{padding:10px 5px;font-size:10px}.identity{gap:3px}.brand{min-width:0;gap:6px}#brandTitle{min-width:0}.teacher-title{white-space:normal;line-height:1.3;text-align:left}.header-right{flex-shrink:0}.statline{gap:10px;flex-wrap:wrap}.export-button{white-space:nowrap}.dialog .pending-actions button{padding:7px 10px;font-size:11px}.studybottom{padding:12px 14px 16px}}

/* v2.3: passage reader, compact mobile status, title palette. */
#brandTitle{background:var(--title-color,var(--bluebg));border-radius:9px;padding:4px 7px;color:#263744}.teacher #brandTitle{background:var(--title-color,#ffe394)}.color-setting{border:0;padding:14px 0;margin:0}.color-setting legend{font-size:12px}.color-choices{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.color-choices label{display:flex;gap:5px;align-items:center;background:var(--swatch);border-radius:9px;padding:8px 5px;color:#263744;font-size:11px}.color-choices input{width:14px;height:14px;padding:0;margin:0;accent-color:#317ca9}.passage-button{font-size:11px;color:var(--muted);padding:5px 7px;white-space:nowrap}.passage-button:hover{color:var(--blueink)}.passage-editor{margin-top:20px;border-top:1px solid var(--line);padding-top:14px}.passage-editor summary,.passage-row summary{cursor:pointer;font-size:12px;color:var(--blueink)}.passage-row{background:var(--bg);padding:12px;border-radius:10px;margin:12px 0}.passage-row details{margin-top:9px}.passage-editor .hint{margin-top:8px}.passage-tools{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:20px}.passage-tools .toggle-row{font-size:12px}.passage-tools input{accent-color:var(--blueink);height:20px}.passage-body section+section{margin-top:23px}.passage-original{font-family:"Noto Sans JP",sans-serif;font-size:17px;line-height:2.1;white-space:pre-wrap;overflow-wrap:anywhere}.passage-translation{font-size:14px;line-height:1.9;white-space:pre-wrap;color:var(--muted);margin-top:9px}.passage-word{display:inline;padding:0;margin:0;font:inherit;line-height:inherit;text-align:inherit;color:inherit;vertical-align:baseline}.passage-word b{font-weight:700}.passage-word:focus-visible{outline:2px solid var(--blue)}.passage-choice{display:flex;width:100%;text-align:left;margin-bottom:9px;white-space:normal}.dialog:has(.passage-body){width:720px}#modalTitle:has(.register-header){display:flex;align-items:center;justify-content:space-between;gap:10px;flex:1;font-size:18px}.register-header{font-size:11px;white-space:nowrap;min-height:32px;padding:7px 9px}.naver-login{width:100%;background:#03c75a;color:#fff;border-radius:11px;min-height:43px;font-size:14px;font-weight:600;margin-top:9px}.naver-login strong{font:bold 19px sans-serif;margin-right:12px}.pending-actions{max-width:64%}.pending-actions button{font-size:11px;padding:7px 9px}
@media(max-width:620px){.tablehead,.wordrow{grid-template-columns:minmax(0,1.3fr) minmax(0,1fr) 36px;gap:8px;padding-left:4px;padding-right:0}.tablehead span:last-child{font-size:0}.status{width:36px}.status .badge{width:36px;height:44px;background:transparent}.status .badge svg{width:20px;height:20px}.wordrow{padding-top:16px;padding-bottom:16px}.passage-tools{gap:8px;flex-wrap:wrap}#modalTitle:has(.register-header){font-size:16px;gap:6px}.register-header{font-size:10px;padding:6px 7px}.passage-original{font-size:16px}.color-choices{gap:6px}.brand,.phone .brand{white-space:normal}.title-name,.title-suffix{font-size:15px}.pending-actions{max-width:62%;gap:4px}.toolbar .lesson-picker{min-width:0;flex:1}.toolbar .learning-buttons{width:100%}.teacher .toolbar{flex-wrap:wrap}.teacher .toolbar .teacher-add{margin-left:auto}}

/* v2.4: whole-passage editor and draft selection. */
#brandTitle,.teacher #brandTitle{background:transparent;padding:0;color:inherit}.avatar{width:40px;height:40px;flex:0 0 40px;border-radius:13px;font-size:21px}.tablehead,.wordrow{grid-template-columns:minmax(0,1.25fr) minmax(0,1fr) 36px;gap:12px}.tablehead span:last-child{font-size:0}.status{width:36px}.status .badge{width:36px;height:44px;background:transparent}.status .badge svg{width:20px;height:20px}.wordcell{display:flex;align-items:center;gap:7px}.wordcell .jp{flex:1;min-width:0;width:auto}.draft-check{width:15px;height:18px;flex:0 0 15px;accent-color:var(--blueink);padding:0;margin:0}.draft-actions{display:flex;gap:13px;align-items:center;flex-wrap:wrap;font-size:11px;padding:3px 0 12px}.draft-actions[hidden]{display:none}.draft-actions label{display:flex;gap:5px;align-items:center}.draft-actions input{height:16px;width:16px;padding:0;accent-color:var(--blueink)}.draft-actions button:disabled{opacity:.4}.passage-edit-open{width:100%;margin-top:18px;font-size:12px}.dialog:has(.passage-bulk){width:780px}.passage-bulk textarea{min-height:240px;max-height:60dvh;resize:vertical}.bulk-passage-columns{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:14px}.passage-input-preview{max-height:40dvh;overflow:auto;margin-top:14px}.passage-input-preview section{border-bottom:1px solid var(--line);padding:14px 0;white-space:pre-wrap;overflow-wrap:anywhere}.passage-warning{color:var(--red);font-size:12px;margin:8px 0}.passage-bulk .dialogbottom{position:sticky;bottom:-25px;background:var(--paper);padding:12px 0 6px}.identity .brand{flex:1;min-width:0}.identity>.iconbtn{flex-shrink:0}
@media(max-width:620px){.tablehead,.wordrow{gap:8px}.bulk-passage-columns{grid-template-columns:minmax(0,1fr)}.passage-bulk textarea{min-height:190px}.avatar{width:39px;height:39px;flex-basis:39px}.passage-bulk .dialogbottom{bottom:-18px}.draft-actions{gap:10px}.passage-bulk .tabs button{font-size:11px;padding:7px 5px}}
.passage-bulk textarea.passage-links{min-height:75px;height:75px}.passage-links-details{margin:14px 0}.passage-links-details summary{font-size:12px;cursor:pointer;color:var(--blueink)}

/* v2.4.1: brief entry motion; no bounce, continuous effects, or closing delay. */
@keyframes poli-dialog-enter{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
@keyframes poli-fade-enter{from{opacity:0}to{opacity:1}}
@media(prefers-reduced-motion:no-preference){
 .dialog[open]{animation:poli-dialog-enter 160ms cubic-bezier(.2,.7,.3,1)}
 .dialog[open]::backdrop{animation:poli-fade-enter 140ms ease-out}
 .notification-dropdown:not([hidden]),.deck-popover:not([hidden]),.floating-menu:not([hidden]){animation:poli-fade-enter 130ms ease-out}
 .toast:not([hidden]){animation:poli-fade-enter 130ms ease-out}
 .answer .reading,.answer .translation{animation:poli-fade-enter 110ms ease-out}
 button,a.primary,a.outline{transition:background-color 120ms ease-out,border-color 120ms ease-out,color 120ms ease-out}
}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}}
/* Optional beginner module, with independent student access and progress. */
.kana-entry{margin:16px 0;padding:14px 16px;border:1px solid #e4bc4d;border-radius:16px;background:var(--kana-bg,#fff8da);display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.kana-entry>span{font-weight:700}.kana-entry>div{display:flex;gap:8px;flex-wrap:wrap}.kana-entry[hidden]{display:none}.kana-members{margin:18px 0;border:1px solid var(--line);border-radius:14px;padding:12px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.kana-members label{display:flex;gap:10px;align-items:center;min-width:0}.kana-members small{display:block;font-size:12px;opacity:.7;margin-top:4px}.kana-group-tabs{display:flex;gap:6px;flex-wrap:wrap;margin:14px 0}.kana-group-tabs button{font-size:13px;padding:9px 11px}.kana-group-tabs .selected{background:#d6efff;border-color:#2582b5;color:#145c87}.kana-summary,.kana-quiz-heading{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:14px 0}.kana-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;margin-top:16px}.kana-grid.combo{grid-template-columns:repeat(3,minmax(0,1fr))}.kana-tile{position:relative;border:1px solid var(--line);border-radius:12px;min-width:0;padding:12px 4px;background:transparent;color:inherit}.kana-tile>span{font:500 32px 'Zen Maru Gothic',sans-serif;display:block}.kana-tile small{font-size:13px;opacity:.65}.kana-tile.known{background:#d9effb;border-color:#77b8db;color:#185e88}.kana-tile i{position:absolute;right:5px;top:3px;font-size:11px;font-style:normal}.kana-detail{text-align:center;padding:24px 0}.kana-detail>strong{font-size:26px}.kana-detail>p{font-size:22px;margin:10px 0 20px}.kana-detail small{display:block;font-size:12px;opacity:.6;margin-top:8px}.kana-big{font:500 clamp(72px,20vw,112px) 'Zen Maru Gothic',sans-serif;line-height:1.6;text-align:center}.kana-question{padding:12px 0}.kana-question-text,.kana-feedback{text-align:center}.kana-choices{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.kana-choices button{padding:18px;min-width:0}.kana-choices strong,.kana-choices span{display:block}.kana-choices strong{font-size:23px}.kana-choices span{margin-top:5px;font-size:15px}.kana-choices .correct{background:#daf0fc;border-color:#2783b3;color:#145b83;opacity:1}.kana-choices .incorrect{background:#fde6e6;border-color:#c96969;color:#a53f3f;opacity:1}.kana-result{text-align:center;padding:30px 0}.dark{--kana-bg:#423b23}.dark .kana-tile.known,.dark .kana-group-tabs .selected,.dark .kana-choices .correct{background:#1a425b;color:#c3e9ff}.dark .kana-choices .incorrect{background:#542c30;color:#ffd0d0}@media(max-width:480px){.kana-entry{padding:12px}.kana-entry>div{width:100%}.kana-entry>div>button{flex:1;padding:10px 8px}.kana-grid{gap:6px}.kana-tile>span{font-size:29px}.kana-members{grid-template-columns:1fr}.kana-script-tabs button{min-width:0;flex:1}}
/* v2.6 — Shiba palette. Learning status colors keep their original meanings. */
:root{--bg:#faf9f5;--paper:#fffefa;--text:#24211e;--muted:#827d76;--line:#e8e3db;--orange:#db6d27;--orangebg:#fff1df;--green:#33764f;--shadow:0 15px 45px #3d2b1612}
body{font-family:'IBM Plex Sans KR','Noto Sans JP',sans-serif;font-size:13px}.primary{background:var(--orange);color:#fff}.soft{background:var(--orangebg);color:#a74b17}.app{min-height:100dvh}.brand,.teacher-title,.title-name,.title-suffix{font-family:'Noto Sans JP','IBM Plex Sans KR',sans-serif}.teacher-title{background:var(--orangebg);color:#6e3c20}.avatar,.teacher .avatar{background:var(--orangebg);flex:0 0 42px;width:42px;height:42px}.avatar img{object-fit:contain}.avatar img[src^='data:']{object-fit:cover}.avatar{border-radius:50%}.brand{min-width:0;max-width:100%;flex:1}.identity{flex:1;min-width:0}.identity .brand{flex:1}.brand #brandTitle{display:flex;align-items:baseline;flex-wrap:wrap;min-width:0;gap:0 3px;flex:1}.title-name,.phone .title-name{max-width:none;overflow:visible;white-space:normal;overflow-wrap:anywhere;flex:0 1 auto;min-width:0;text-overflow:clip;line-height:1.5;background:var(--orangebg);color:#8a431e;padding:2px 6px;border-radius:7px}.title-suffix{white-space:nowrap;flex-shrink:0}.brand{font-size:16px}.shiba-banner{display:flex;justify-content:space-between;align-items:center;margin:0 0 20px;background:var(--orangebg);border:1px solid #f2d5b5;border-radius:14px;padding:0 22px;min-height:112px;overflow:hidden}.shiba-banner strong{font:700 clamp(22px,4vw,28px) 'Noto Sans JP',sans-serif;color:#be541c;letter-spacing:.02em}.shiba-banner img{height:110px;width:110px;object-fit:contain;align-self:flex-end;transform:translateY(4px)}.filter-line{display:flex;align-items:center;gap:8px;margin-bottom:12px}.filter-line .filters{margin:0;display:flex;gap:6px;flex:0 1 auto;min-width:0}.filter-line .filter{padding:7px 10px;min-width:34px}.filter-line .kana-compact{margin-left:auto;border:1px solid var(--line);border-radius:10px;min-width:52px;min-height:36px;white-space:nowrap;font:600 17px 'Noto Sans JP',sans-serif;background:var(--paper)}.kana-compact[hidden]{display:none}.shared-count{display:block;color:var(--muted);font-size:11px;margin-top:5px}.book-management section{border-bottom:1px solid var(--line);padding:16px 0;display:grid;gap:8px}.book-management small{color:var(--muted)}.book-management button{justify-self:start;font-size:12px}.view-only{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:11px;margin:0 0 14px;flex-wrap:wrap}.view-only[hidden]{display:none}.view-only button{background:var(--text);color:var(--paper);padding:7px 12px;border-radius:8px}.calendar-link{font-size:11px;color:var(--muted);margin-left:auto;white-space:nowrap}.push-permission-hint{font-size:11px;display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:14px;padding:10px;border:1px solid var(--line);border-radius:9px}.push-permission-hint[hidden]{display:none}.push-permission-hint .edit-link{margin:0;color:var(--orange)}.jp,.studydetail,.detail-example,.prompt,.learn-prompt,.learn-prompt rt,.study .reading,.study .translation,.study .example,.kana-big,.kana-tile>span{font-family:'Noto Sans JP','IBM Plex Sans KR',sans-serif}.study .korean-prompt{font-family:'IBM Plex Sans KR',sans-serif}.jp{font-weight:500}.quiz-direction{display:flex;flex-direction:column;align-items:flex-start;gap:3px;font-size:10px;color:var(--muted);min-width:0}.quiz-direction select{height:36px;font-size:12px;padding:0 8px}.studyoptions{flex-wrap:wrap;justify-content:center;align-items:flex-end}.showanswer{width:min(340px,85vw);min-height:44px;margin:12px auto}.kana-choices{max-width:350px;margin:0 auto;gap:9px}.kana-choices button{padding:10px 14px;min-height:60px}.kana-choices strong{font-size:19px}.kana-choices span{font-size:13px;margin-top:2px}.kana-question{padding:12px 0 0}.kana-question-text{min-height:64px;display:flex;justify-content:center;align-items:center;margin:0;font-size:13px}.kana-statusactions{margin:18px 0 8px}.kana-statusactions button{font-size:11px;min-width:0}.kana-statusactions i{font-family:Arial,sans-serif;font-size:28px;line-height:1}.kana-statusactions small{font-size:10px;line-height:1.4}.kana-tile.review{border-color:#dfb64b;background:#fff5d4;color:#937015}.kana-tile.hard{border-color:#d88989;background:#fbe6e6;color:#aa5252}.kana-choose{display:flex;gap:12px}.kana-choose button{flex:1}.calendar-header{display:flex;align-items:center;justify-content:space-between;margin:14px 0}.calendar-grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:4px}.calendar-grid small{text-align:center;color:var(--muted);font-size:11px;padding:4px}.calendar-grid>button{border:1px solid transparent;border-radius:9px;min-width:0;min-height:42px;position:relative;padding:8px 0}.calendar-grid>button.today{border-color:var(--orange)}.calendar-grid>button.selected{background:var(--orange);color:white}.calendar-grid i{position:absolute;bottom:4px;width:4px;height:4px;left:calc(50% - 2px);border-radius:50%;background:var(--green)}.calendar-grid .selected i{background:white}.calendar-tabs{display:flex;gap:6px;margin:18px 0}.calendar-tabs button{flex:1;font-size:11px;padding:8px 4px;border-radius:8px;border:1px solid var(--line)}.calendar-tabs .active{background:var(--text);color:var(--paper)}.calendar-lessons section{padding:14px 0;border-bottom:1px solid var(--line)}.calendar-lessons strong,.calendar-lessons small{display:block}.calendar-lessons strong{font-size:14px;margin:5px 0}.calendar-lessons small,.calendar-note{font-size:11px;color:var(--muted)}.calendar-lessons p{font-size:12px;white-space:pre-wrap;overflow-wrap:anywhere}.calendar-add{width:100%;margin-top:18px}.calendar-note{margin-top:15px}.loading-shiba{display:block;object-fit:contain;margin:auto}.loading-dots{display:block;text-align:center;color:var(--orange);font-size:24px;letter-spacing:8px}.account-card:has(.loading-shiba){box-shadow:none;border:0;background:transparent}.dark{--orange:#e58b4e;--orangebg:#3c2c22;--green:#68a780}.dark .shiba-banner{border-color:#624832}.dark .shiba-banner strong{color:#f4aa74}.dark .teacher-title,.dark .title-name{color:#f4c59f}.dark .kana-tile.review{background:#44391f;color:#efd17d}.dark .kana-tile.hard{background:#482e30;color:#f0b3b3}.dark .soft{color:#f2b58b}.statline{gap:12px}.statline strong{font-size:14px}.statline .export-button{font-size:11px}.tablehead{font-size:11px}.wordrow .meaning{font-size:14px}.header-right{flex-shrink:0}
@keyframes poli-profile-press{50%{transform:scale(.92)}100%{transform:scale(1)}}
@media(prefers-reduced-motion:no-preference){.profile-pressed{animation:poli-profile-press 160ms ease-out}.floating-menu:not([hidden]){animation:poli-fade-enter 150ms ease-out}}
@media(max-width:680px){header{display:grid;grid-template-columns:32px 32px minmax(0,1fr);height:auto;min-height:110px;padding:14px 18px 10px;gap:5px}.identity{display:contents}.identity .brand{grid-column:1/-1;gap:10px;margin-bottom:5px;max-width:100%;width:100%}.identity>.iconbtn{width:32px;height:32px}.header-right{justify-self:end;gap:8px}.brand #brandTitle{font-size:16px}.brand .avatar{width:42px;height:42px;flex-basis:42px}.theme{width:64px}.shiba-banner{min-height:100px;padding:0 15px;margin-bottom:16px}.shiba-banner img{height:100px;width:100px}.shiba-banner strong{font-size:24px}.student main,main{padding:20px 18px 38px}.statline{gap:8px;flex-wrap:wrap}.statline strong{font-size:13px}.statline .export-button{margin-left:auto}.work-date-title{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.work-date-title input{width:100%;min-width:0}.dialogtop h2{font-size:18px}.dialogtop{gap:10px}.dialogtop .iconbtn{flex:0 0 32px;width:32px;height:32px}.dialog{max-width:calc(100vw - 18px)}.calendar-grid{gap:2px}.calendar-grid>button{min-height:38px}.filter-line .filter{padding:7px 9px}.filter-line .filters{gap:5px}.statline .add-compact{width:32px;height:32px}.teacher .toolbar{flex-wrap:wrap}}
@media(max-width:350px){header{padding-left:12px;padding-right:12px}.brand #brandTitle{font-size:15px}main{padding-left:12px;padding-right:12px}.shiba-banner strong{font-size:21px}.filter-line{gap:5px}.filter-line .filter{padding:7px}.kana-statusactions small{font-size:9px}.work-date-title{grid-template-columns:1fr}}
/* v2.7: compact karakusa header, word updates and reading popover. */
.app>header{display:flex;position:relative;isolation:isolate;min-height:78px;height:auto;padding:16px 24px;gap:10px;background:#286343;color:#fff;border-bottom:0}.app>header::before{content:'';position:absolute;inset:0;pointer-events:none;z-index:-1;opacity:.22;background-size:116px 84px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='116' height='84' viewBox='0 0 116 84'%3E%3Cg fill='none' stroke='white' stroke-width='3' stroke-linecap='round'%3E%3Cpath d='M-8 58C8 20 50 20 47 43c-2 16-26 17-25 2 1-10 14-9 13-1M47 43C52 68 92 78 101 52c8-24-23-31-27-12-3 12 14 17 16 6M38-8c-3 34 43 38 47 14 2-12-17-16-21-5-2 6 5 12 10 7M102-3c-8 13-8 35 19 39M-8 78c26-13 47 3 38 17'/%3E%3C/g%3E%3C/svg%3E")}.app>header .identity{display:flex;flex:1;min-width:0;gap:6px}.app>header .brand{width:auto;max-width:none;flex:1;min-width:0;margin:0;gap:8px}.app>header .avatar{flex:0 0 36px;width:36px;height:36px;background:#fff8eb}.app>header #brandTitle{background:none!important;color:#fff;padding:0;flex:1;display:block;min-width:0}.app>header .title-name{color:#fff;background:#173e2b70;font-size:14px;font-weight:700;max-width:none;padding:4px 6px;line-height:1.4;white-space:normal;overflow-wrap:anywhere;text-align:left}.app>header .identity>.iconbtn,.app>header .header-right>.iconbtn{color:#fff;width:30px;height:32px;flex-shrink:0}.app>header .header-right{display:flex;gap:6px;align-items:center;flex-shrink:0}.app>header .theme{background:#f8f5ef;width:60px;height:31px}.app>header .theme span{width:24px;height:23px}.app>header .notification-dropdown{color:var(--text)}.studyhead{background:#f7ecdc;border-bottom:1px solid #ead5bb}.study-brand{display:flex;align-items:center;gap:8px;color:#7f401d}.study-brand img{object-fit:contain}.study{background:var(--paper)}.study .progress>div{background:var(--orange)}.study .studyoptions .shuffle-top{background:var(--orangebg);color:#a9521e;border-color:#dcaa7c}.study .loop-button.active{border-color:var(--green);background:#e4f0e7;color:#286343}.study-feedback{min-height:25px;margin-bottom:8px;text-align:center;color:#286343;font-size:12px;font-weight:600}.study-feedback.error{color:#b34040}.study .statusactions .chosen{box-shadow:inset 0 0 0 2px currentColor}.study .statusactions button{transition:background-color .12s,box-shadow .12s}.new-word{background:#fff5e666;box-shadow:inset 2px 0 #e7ad6d}.wordrow.own.new-word{background:#f2f9fd;box-shadow:inset 2px 0 #e7ad6d}.new-word-label{display:inline-block;margin-left:5px;padding:1px 4px;border-radius:4px;background:#f9e1c6;color:#95501e;font:600 8px 'IBM Plex Sans KR',sans-serif;letter-spacing:.03em;vertical-align:middle}.kana-assignment-list{display:grid;gap:10px;margin-top:18px}.kana-assignment-list section{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 0;border-bottom:1px solid var(--line)}.kana-assignment-list section>div{display:flex;gap:8px}.kana-switch{width:66px;padding:6px;border:1px solid var(--line);border-radius:10px;background:var(--bg);font:500 26px 'Noto Sans JP',sans-serif;line-height:1.3;color:var(--muted)}.kana-switch small{display:block;font:500 10px 'IBM Plex Sans KR',sans-serif}.kana-switch.on{background:var(--orangebg);color:#a54f19;border-color:var(--orange);box-shadow:inset 0 0 0 1px var(--orange)}#modalBody{position:relative}.passage-word,.passage-word b,.passage-original>b{color:var(--orange);font-weight:700}.passage-word-popover{position:absolute;z-index:4;width:290px;max-width:100%;padding:20px 16px 16px;border:1px solid #e9c7a4;border-radius:12px;background:var(--paper);box-shadow:0 8px 26px #44281023}.passage-word-popover[hidden]{display:none}.reader-popover-close{position:absolute;right:4px;top:4px}.passage-word-popover .studydetail{font-size:23px;padding-right:15px;margin-bottom:5px}.passage-word-popover .studydetail rt{font-size:11px}.passage-word-popover .detail-meaning{font-size:13px}.passage-word-popover .detail-example{font-size:12px;margin-top:12px}.passage-body .passage-original{font-size:20px;line-height:2}.gcal-actions{display:flex;gap:8px;flex-wrap:wrap;margin:15px 0}.gcal-mappings{margin:18px 0}.gcal-mappings section{display:grid;grid-template-columns:60px minmax(0,1fr) auto;gap:7px;align-items:center;margin:12px 0}.gcal-mappings input{width:100%;font-size:12px}.gcal-mappings strong{font-size:12px;overflow-wrap:anywhere}.gcal-mappings button{font-size:11px;padding:7px 10px;min-height:36px}.dark .studyhead{background:#32291f;border-color:#5b4633}.dark .study-brand{color:#ecc4a2}.dark .new-word{background:#49321b44}.dark .wordrow.own.new-word{background:#223745}.dark .new-word-label{background:#5e3f24;color:#f4cf9e}.dark .study-feedback{color:#8ac7a0}.dark .kana-switch.on{color:#ffd0a8}.dark .study .loop-button.active{background:#244331;color:#b9e4c8}
@keyframes study-card-in{from{opacity:.6;transform:translateY(3px)}to{opacity:1;transform:translateY(0)}}
@media(prefers-reduced-motion:no-preference){.studycontent{animation:study-card-in 130ms ease-out}.study-feedback:not(:empty){animation:poli-fade-enter 120ms ease-out}.passage-word-popover:not([hidden]){animation:study-card-in 130ms ease-out}}
@media(max-width:680px){.app>header{min-height:70px;padding:12px 12px;gap:5px}.app>header .brand{gap:6px;grid-column:auto}.app>header .identity{gap:2px}.app>header .avatar{width:32px;height:32px;flex-basis:32px}.app>header .title-name{font-size:13px;padding:3px 5px}.app>header .identity>.iconbtn,.app>header .header-right>.iconbtn{width:25px;height:30px}.app>header .identity>.iconbtn svg,.app>header .header-right>.iconbtn svg{width:17px;height:17px}.app>header .header-right{gap:3px}.app>header .theme{width:52px;height:29px;padding:2px;gap:0}.app>header .theme span{width:23px;height:23px}.app>header .theme svg{width:14px;height:14px}.studyhead{padding-left:15px;padding-right:15px}.passage-body .passage-original{font-size:18px}.gcal-mappings section{grid-template-columns:50px minmax(0,1fr) auto}}
@media(max-width:350px){.app>header{padding-left:8px;padding-right:8px}.app>header .title-name{font-size:12px}.app>header .brand{gap:4px}.app>header .avatar{width:30px;height:30px;flex-basis:30px}}
.sharelist>div:has(.pending-actions){flex-wrap:wrap}.sharelist>div:has(.pending-actions)>span{min-width:140px;flex:1;overflow-wrap:anywhere}.sharelist .edit-link{margin:0;white-space:nowrap}.sharelist .pending-actions{display:flex;flex-wrap:wrap;gap:6px;max-width:100%}.sharelist .pending-actions button{font-size:11px;padding:6px 10px}.gcal-actions .primary,.gcal-actions .outline{font-size:12px}

/* v2.8: focused learning, editable imports and clear teacher workflow. */
.dialog,.study,.floating-menu{color:var(--text)}
.app>header{z-index:50;overflow:visible}.app>main{position:relative;z-index:0}
.app>header .notification-dropdown{z-index:200;background:var(--paper);max-width:calc(100vw - 24px)}
.lesson-picker,.deck-popover{z-index:10}
.wordrow>button.meaning{text-align:left;padding:0;min-width:0;color:var(--text);font:inherit;font-size:14px;white-space:pre-line}
.source-tabs{display:flex;gap:5px;padding:4px;background:var(--bg);border-radius:10px;margin:0 0 14px}.source-tabs[hidden]{display:none}.source-tabs button{flex:1;font-size:11px;padding:8px 5px;border-radius:7px}.source-tabs .active{background:var(--orangebg);color:var(--text);box-shadow:inset 0 0 0 1px var(--orange)}
.publication-tag{font:500 9px 'IBM Plex Sans KR',sans-serif;display:block;color:var(--muted);margin-top:3px}
.student-folder-filter label{font-size:11px;color:var(--muted);display:flex;align-items:center;gap:8px;margin-bottom:12px}.student-folder-filter select{font-size:12px;height:34px}
.student-management-list section{padding:12px 0;border-bottom:1px solid var(--line)}.student-name-line{display:flex;align-items:center;gap:5px}.student-name-line strong{font-size:14px;overflow-wrap:anywhere}.student-pencil{width:30px;height:30px;font-size:20px;color:var(--orange)}.student-management-list small{font-size:11px;color:var(--muted);overflow-wrap:anywhere;display:block}
.folder-management{display:flex;align-items:center;flex-wrap:wrap;gap:5px;margin-top:12px}.folder-management .edit-link{margin:0;padding:6px}.folder-chip{border:1px solid var(--line);border-radius:20px;padding:4px 9px;font-size:11px}.student-option-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}.student-option-actions .edit-link{margin:0;padding:7px 0;text-align:left;font-size:11px}.invite-waiting{font-size:11px;margin-top:15px;overflow-wrap:anywhere}.invite-waiting button{display:inline-block;margin:0;font-size:10px}
.usage-reports{display:grid;gap:12px;margin-top:20px}.usage-reports section{border:1px solid var(--line);border-radius:12px;padding:14px}.usage-reports h3{font-size:15px;margin:0}.usage-reports small{color:var(--muted);font-size:11px}.usage-reports dl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-bottom:0}.usage-reports dl div{display:flex;justify-content:space-between;gap:5px;font-size:12px}.usage-reports dt{color:var(--muted)}.usage-reports dd{margin:0;font-weight:700}
.paste-grid{overflow:auto;max-height:330px;border:1px solid var(--line);border-radius:10px;margin-top:12px;overscroll-behavior:contain}.paste-grid table{border-collapse:collapse;min-width:460px;width:100%;table-layout:fixed}.paste-grid th{font-size:10px;color:var(--muted);padding:5px;background:var(--bg);font-weight:500}.paste-grid thead{position:sticky;top:0;z-index:1}.paste-grid th:first-child{width:28px}.paste-grid td{border:1px solid var(--line);padding:0;vertical-align:top}.paste-grid textarea{display:block;border:0;border-radius:0;min-height:42px;width:100%;padding:8px;font-size:12px;resize:vertical;background:var(--paper);color:var(--text)}.paste-grid textarea:focus{outline:2px solid var(--orange);outline-offset:-2px}.paste-grid textarea[aria-invalid=true]{background:var(--redbg);box-shadow:inset 0 0 0 1px var(--red)}
.work-pending{background:var(--orangebg);border:1px solid var(--orange);padding:12px;border-radius:10px;margin-top:12px;color:var(--text);font-size:12px}.queued-words{max-height:180px;overflow:auto;margin-top:8px}.queued-words>div{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr) 24px;gap:8px;padding:6px 0;border-top:1px solid var(--line)}.queued-words span{overflow-wrap:anywhere}.queued-words button{padding:0}
.passage-tools{position:sticky;top:-1px;z-index:5;background:var(--paper);border-bottom:1px solid var(--line);padding:9px 0;display:flex;gap:10px;flex-wrap:wrap;align-items:center}.passage-tools .toggle-row{font-size:11px;gap:6px;padding:0;margin:0}.passage-tools .edit-link{margin:0 0 0 auto;padding:3px;font-size:10px}.sentence-translation-button{font-size:11px;color:var(--muted);padding:5px 0}.passage-body .passage-original rt{font-size:.55em;color:var(--muted);font-weight:400}.passage-word-popover{z-index:6}
.studyoptions{margin-top:24px;padding-top:10px;padding-bottom:12px}.studycontent{cursor:default}.statusactions{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.statusactions button{min-width:0;flex:1}.study .statusactions{display:flex;max-width:490px;margin:auto}.study .statusactions button{max-width:none}.study-feedback:empty{display:none}.study-navigation,.kana-navigation{display:flex;justify-content:center;gap:10px;margin-top:12px}.study-navigation button{min-width:90px}.studybottom{padding-bottom:max(20px,env(safe-area-inset-bottom))}.kana-detail{touch-action:pan-y}.kana-feedback{margin-top:26px!important;margin-bottom:16px!important}
.dark .dialog,.dark .study,.dark .floating-menu,.dark .word-detail,.dark .studydetail,.dark .detail-meaning,.dark .learn-meaning,.dark .prompt,.dark .translation,.dark .kana-big,.dark .kana-detail,.dark .kana-choices button,.dark .source-tabs button,.dark .queued-words,.dark .work-pending{color:var(--text)}
.dark .study .reading,.dark .detail-example,.dark .example,.dark .passage-translation,.dark .passage-body .passage-original rt{color:#bdc7ce}
.dark .study .shuffle-top,.dark .study .studyoptions .shuffle-top{color:#ffd3ad}.dark .hardaction{background:#492d31;color:#ffb0b6}.dark .knownaction{background:#233f50;color:#b6e1ff}.dark .statusactions button.chosen{box-shadow:inset 0 0 0 2px currentColor;background-color:#ffffff18}.dark .study-feedback.error,.dark .modal-notice.error{color:#ffb0b6}.dark .kana-choices .correct{background:#214933;color:#d0f1dc}.dark .kana-choices .incorrect{background:#492d31;color:#ffd1d4}.dark .passage-word,.dark .passage-word b{color:#ffb174}.dark .kana-switch.on{color:#ffd0a8}.dark .studyhead{color:var(--text)}
@media(max-width:620px){.studyoptions{margin-top:24px;padding-top:10px;padding-bottom:12px}.source-tabs button{font-size:10px}.usage-reports dl{gap:8px 12px}.study-navigation button{min-height:36px;font-size:12px}.app>header .title-name{max-width:none}.student-option-actions{flex-direction:column;gap:3px}}

/* v2.9 production: compact controls, grouped students and persistent dialog close. */
.app>header #brandTitle{display:flex;align-items:center;gap:4px;min-width:0}.app>header .title-name{flex:0 1 auto;min-width:0}.streak-badge{font:600 10px 'IBM Plex Sans KR',sans-serif;color:#ffe6c2;background:#183e2a70;border-radius:20px;padding:2px 5px;display:inline-flex;align-items:center;gap:2px;white-space:nowrap;flex-shrink:0}.streak-badge>span{font-size:12px}
.floating-menu{width:242px;transform:none;z-index:300}.floating-menu:before{content:'';position:absolute;top:-5px;left:16px;width:8px;height:8px;background:var(--paper);border-top:1px solid var(--line);border-left:1px solid var(--line);transform:rotate(45deg)}
.toolbar .lesson-picker{min-width:0;flex:1;max-width:none}.toolbar .lesson-button{width:100%;max-width:none;white-space:normal;line-height:1.6}.student .toolbar{display:flex;flex-direction:column;align-items:stretch}.student .lesson-picker,.student .learning-buttons{width:100%;max-width:none}.filter-line .passage-button{margin:0;padding:5px 8px;min-height:33px;border:1px solid var(--line);border-radius:8px;font-size:10px;color:var(--muted);white-space:nowrap}.filter-line .kana-compact{margin-left:auto}
.student-folder-buttons{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:12px}.student-folder-buttons button{padding:4px 10px;min-height:30px;border:1px solid var(--line);border-radius:20px;font-size:11px}.student-folder-buttons .selected{box-shadow:inset 0 0 0 1px currentColor;font-weight:700}.studentstrip{display:flex!important;flex-wrap:wrap;gap:6px}.studentchip{flex:0 0 calc((100% - 36px)/7);min-width:38px;justify-content:center;border-radius:9px;padding:4px 3px;font-size:11px}.studentchip.active{box-shadow:inset 0 0 0 1.5px currentColor;font-weight:700}
.folder-tone-0{--folder-bg:#fff0dd;--folder-ink:#9c581d;--folder-line:#e8c294}.folder-tone-1{--folder-bg:#e8f2ea;--folder-ink:#346d4a;--folder-line:#a6c9ae}.folder-tone-2{--folder-bg:#e8f1fc;--folder-ink:#3b6491;--folder-line:#b2c9e6}.folder-tone-3{--folder-bg:#f3eafb;--folder-ink:#785294;--folder-line:#cdb7df}.folder-tone-4{--folder-bg:#fcebec;--folder-ink:#9b5058;--folder-line:#e3b9bd}.folder-tone-5{--folder-bg:var(--bg);--folder-ink:var(--muted);--folder-line:var(--line)}.studentchip[class*=folder-tone],.student-folder-buttons [class*=folder-tone]{background:var(--folder-bg);color:var(--folder-ink);border-color:var(--folder-line)}
.dark [class*=folder-tone]{--folder-bg:color-mix(in srgb,var(--folder-ink) 22%,var(--paper));--folder-line:color-mix(in srgb,var(--folder-ink) 50%,var(--line))}.dark .folder-tone-0{--folder-ink:#f3bc85}.dark .folder-tone-1{--folder-ink:#a6d6b2}.dark .folder-tone-2{--folder-ink:#a9c9ef}.dark .folder-tone-3{--folder-ink:#d2b6eb}.dark .folder-tone-4{--folder-ink:#efb7bf}
.dialog{--dialog-pad:20px;padding:var(--dialog-pad)}.dialog>.dialogtop{position:sticky;top:0;z-index:30;min-height:58px;margin:calc(-1*var(--dialog-pad)) calc(-1*var(--dialog-pad)) 16px;padding:12px var(--dialog-pad);background:var(--paper);border-bottom:1px solid var(--line);box-shadow:0 3px 8px #00000004}.dialog>.dialogtop .iconbtn{margin-left:auto;flex-shrink:0}.dialog.no-title>.dialogtop{justify-content:flex-end}.dialogtop h2{font-size:17px}.studyhead{position:sticky;top:0;z-index:30;flex-shrink:0}.studycontent{position:relative}.study-count-pill{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);background:var(--bg);border-radius:99px;padding:4px 14px;font:600 11px 'IBM Plex Sans KR',sans-serif;color:var(--muted);margin-bottom:24px;flex-shrink:0;letter-spacing:.03em}
.statusactions button.chosen{box-shadow:inset 0 0 0 3px currentColor!important;position:relative;font-weight:700;transform:scale(1.015)}.statusactions button.chosen::after{content:'✓';position:absolute;right:9px;top:5px;font:700 13px sans-serif}.knownaction.chosen{background:#bce3f5;color:#125a89}.hardaction.chosen{background:#f6c6ca;color:#a23740}.statusactions button[aria-pressed=false]{opacity:.78}.dark .knownaction.chosen{background:#284f65;color:#d2efff}.dark .hardaction.chosen{background:#60383f;color:#ffd8dd}
.tablehead>span:nth-child(-n+2),.wordcell,.wordrow>button.meaning{text-align:center}.wordcell{justify-content:center}.wordcell .jp{text-align:center!important}.wordrow>button.meaning{display:block;width:100%}.wordrow .draft-check{flex-shrink:0}
.passage-tools{position:sticky;top:calc(var(--dialog-header-height,58px) - 1px);z-index:20;gap:7px;background:var(--paper);padding:8px 0}.reader-toggle{font-size:11px;border:1px solid var(--line);border-radius:8px;padding:5px 8px;color:var(--muted);min-height:31px}.reader-toggle.active{background:var(--orangebg);color:var(--orange);border-color:var(--orange)}.reader-edit-furi{font-size:10px;color:var(--muted);padding:4px 1px}.passage-tools .edit-link{font-size:10px;padding:2px;margin-left:auto}.reader-sentence{display:grid;grid-template-columns:minmax(0,1fr) 25px;gap:4px 8px;align-items:start;padding:12px 0;border-bottom:1px solid var(--line)}.passage-body .passage-original{font-size:16px!important;line-height:1.85!important;margin:0}.reader-sentence .passage-translation{grid-column:1/-1;margin-top:0;font-size:12px;line-height:1.6}.sentence-translate{width:25px;height:27px;border:1px solid var(--line);border-radius:7px;color:var(--muted);font:600 12px 'IBM Plex Sans KR',sans-serif;margin-top:1px;padding:0}.sentence-translate.active{background:var(--orangebg);color:var(--orange);border-color:var(--orange)}.furi-edit-grid{display:grid;gap:8px}.furi-edit-grid>div{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr) 26px;align-items:center;gap:6px}.furi-edit-grid input{width:100%;font-size:12px;padding:6px 9px}.furi-edit-grid .iconbtn{width:26px}.passage-word-popover{z-index:21}
.paste-tools{display:flex;gap:8px;margin-top:10px}.paste-tools button{font-size:11px;min-height:31px;padding:5px 10px}.paste-tools button:disabled{opacity:.4;cursor:default}.paste-grid textarea{min-height:40px}.paste-grid table{user-select:text}
.kana-detail{min-height:260px;position:relative;cursor:pointer;user-select:none}.kana-edge{position:absolute;top:26%;bottom:28%;width:26px;padding:0;display:flex;align-items:center;justify-content:center;font:400 20px Arial,sans-serif;color:var(--muted);opacity:.65}.kana-edge.left{left:-14px}.kana-edge.right{right:-14px}.kana-speaker{display:inline-flex;margin:18px auto 0;border-radius:50%;min-width:42px;min-height:42px;padding:10px}.kana-speaker svg{width:21px;height:21px}.kana-speaker.playing{background:var(--orangebg);border-color:var(--orange);color:var(--orange)}.kana-assignment-list .kana-switch{width:42px;padding:3px;font-size:21px;line-height:1.25;border-radius:8px}.kana-switch small{font-size:8px}.kana-assignment-list section strong{font-size:13px}.kana-assignment-list section>div{gap:6px}.kana-group-tabs{flex-wrap:wrap}.kana-group-tabs button{font-size:10px;padding:6px 8px}.kana-quiz-select{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:11px;color:var(--muted);margin-bottom:12px}.kana-quiz-select select{height:35px;font-size:12px;min-width:145px}.kana-comparisons{display:grid;gap:10px;margin-top:16px}.kana-comparisons section{display:flex;gap:10px;padding:12px;background:var(--bg);border-radius:12px}.kana-comparisons .kana-tile{flex:1;min-height:84px}.kana-comparisons .kana-tile>span{font-size:34px}
@media(max-width:620px){.dialog{--dialog-pad:18px}.app>header .identity{gap:2px}.app>header .brand{gap:4px}.app>header .title-name{font-size:12px;padding:3px}.app>header .identity>.iconbtn,.app>header .header-right>.iconbtn{width:23px}.app>header .theme{width:46px}.app>header .theme span{width:20px}.streak-badge{font-size:9px;padding:2px 4px}.streak-badge>span{font-size:10px}.app>header .avatar{width:29px;height:29px;flex-basis:29px}.passage-body .passage-original{font-size:15px!important;line-height:1.85!important}.studentchip{font-size:10px;flex-basis:calc((100% - 36px)/7)}.student-folder-buttons{gap:5px}.student-folder-buttons button{font-size:10px;padding:4px 8px}.study-count-pill{margin-bottom:19px}}
.draft-actions{display:flex;flex-wrap:wrap;align-items:center;gap:6px 10px;padding:10px 0}.draft-actions[hidden]{display:none}.draft-actions .edit-link{display:inline-flex;align-items:center;margin:0;padding:4px 0;min-height:26px;font-size:10px}.draft-actions label{display:flex;align-items:center;gap:5px;font-size:10px}.draft-actions input{width:15px;height:15px;margin:0}
/* v3.0 foreground activity, independent modal scroll and intentional gestures. */
body.overlay-locked{position:fixed!important;overflow:hidden!important;width:100%;touch-action:auto}
.dialog{padding:0!important;overflow:hidden!important;max-height:90dvh;overscroll-behavior:contain}.dialog:not([open]){display:none}.dialog[open]{display:flex;flex-direction:column}.dialog>.dialogtop{position:relative;top:auto;margin:0!important;padding:7px 16px!important;min-height:44px;flex-shrink:0;border-bottom:1px solid var(--line);box-shadow:none;z-index:40}.dialogtop h2{font-size:15px}.dialogtop>.iconbtn{width:32px;height:32px;min-height:32px}.dialog.no-title>.dialogtop{position:absolute;top:5px;right:7px;padding:0!important;min-height:0;border:0;border-radius:50%;background:var(--paper)}.dialog.no-title>.dialogtop h2{display:none}.dialog #modalBody{padding:17px 18px 22px;overflow-y:auto;min-height:0;overscroll-behavior-y:contain;position:relative}.dialog.no-title #modalBody{padding-top:43px}.dialog #modalNotice{flex-shrink:0;margin:0 18px;padding:9px;font-size:12px}.dialog.no-title .word-detail{padding-top:0}.dialog .passage-tools{top:-17px;margin-top:-17px;padding:9px 0;z-index:22;background:var(--paper);flex-wrap:wrap}.reader-edit-furi{border:1px solid var(--line);border-radius:7px;padding:5px!important;white-space:nowrap}.dialog .passage-body .passage-original{font-size:15px!important;line-height:1.75!important}
.wordcell{justify-content:flex-start;text-align:left}.wordcell .jp{text-align:left!important}.tablehead>span:nth-child(-n+2){text-align:center}.wordrow>.meaning{text-align:center}.word-swipe{position:relative;overflow:hidden;border-radius:4px}.word-swipe>.wordrow{position:relative;background:var(--paper);will-change:transform}.word-swipe>.wordrow.own{background:var(--orangebg)}.swipe-state{position:absolute;inset:0;display:flex;align-items:center;padding:0 24px;opacity:0;pointer-events:none}.swipe-state svg{width:32px;height:32px}.word-swipe[data-drag=known]>.swipe-state{background:#d5edf9;color:#207ca9;justify-content:flex-end;opacity:1}.word-swipe[data-drag=hard]>.swipe-state{background:#f8dfe2;color:#c15460;justify-content:flex-start;opacity:1}.tablehead{user-select:none;cursor:ew-resize}.streak-badge{border:0;cursor:pointer;min-height:24px;padding:3px 5px}
.study{height:100dvh;min-height:0;display:block!important;overflow:hidden;padding:0!important}.study[hidden]{display:none!important}.study .studyhead{position:absolute;top:max(15px,env(safe-area-inset-top));left:18px;right:18px;display:flex;align-items:center;justify-content:flex-start;gap:8px;padding:0!important;background:transparent;border:0;height:36px;z-index:35}.studyhead .study-brand{white-space:nowrap;font-size:13px;gap:5px}.studyhead .study-brand img{width:25px;height:25px}.studyhead>.iconbtn{margin-left:auto}.studyhead .shuffle-top{font:600 11px 'IBM Plex Sans KR',sans-serif;padding:6px 10px;min-height:30px;border-radius:20px;background:var(--orangebg);color:var(--orange);border:1px solid var(--orange);white-space:nowrap}.studyhead .loop-button{width:32px;min-width:32px;height:32px;min-height:32px;padding:0;font-size:26px;line-height:1;border-radius:50%}.studyhead .loop-button.active{background:var(--green);color:white}.study .studyoptions{position:absolute;top:70px;left:0;right:0;display:flex;justify-content:center;padding:0;margin:0;background:transparent;z-index:25}.study .studycontent{position:absolute;top:33.333%;left:35px;right:35px;transform:translateY(-50%);display:flex;flex-direction:column;justify-content:center;align-items:center;min-height:0;padding:0!important;max-height:40dvh;text-align:center;pointer-events:none}.study.memorize-layout .studycontent{top:40%}.study .study-count-pill{margin-bottom:18px;font-size:10px;padding:3px 13px}.study .prompt{font-size:var(--fit-size,46px);line-height:1.6;margin:0;overflow-wrap:anywhere}.study .learn-meaning{margin:10px 0 0;font-size:22px;line-height:1.5}.study .example{font-size:14px;line-height:1.7;color:var(--muted);margin:10px auto}.study .examples{max-height:13dvh;overflow:hidden}.study .quiz-answer-zone{position:absolute;top:66.666%;left:30px;right:30px;transform:translateY(-50%);z-index:25;display:flex;justify-content:center;align-items:center}.study .showanswer{display:block;width:min(100%,480px);min-height:78px;padding:20px;font-size:16px;border-radius:15px}.study .revealed-answer{display:block;background:transparent;border:0;width:min(100%,600px);padding:12px;cursor:pointer;color:var(--text)}.study .answer .translation{font-size:25px;line-height:1.6;overflow-wrap:anywhere}.study .answer .jpanswer{font-family:'Zen Maru Gothic',sans-serif;font-size:38px}.study .answer .reading{font-size:20px;margin-bottom:8px}.study .studybottom{position:absolute;top:66.666%;left:25px;right:25px;transform:translateY(-50%);padding:0!important;z-index:26}.study:not(.memorize-layout) .studybottom{top:auto;bottom:20px;transform:none;pointer-events:none}.study .study-feedback:empty{display:none}.study .statusactions{max-width:470px;margin:0 auto;gap:14px}.study .statusactions button{min-height:88px;font-size:12px}.study .study-edge{position:absolute;top:48%;height:60px;width:28px;color:var(--muted);opacity:.35;padding:0;z-index:24;background:none;border:0;font-size:26px}.study .study-edge.left{left:2px}.study .study-edge.right{right:2px}.dark .word-swipe>.wordrow{background:var(--paper)}.dark .word-swipe>.wordrow.own{background:#303d31}.dark .studyhead .shuffle-top{color:#ffd0a8}.dark .study .revealed-answer{color:var(--text)}
.kana-assignment-list .kana-switch{width:auto;min-width:25px;min-height:25px;padding:2px 5px;font-size:14px;line-height:1.4;border-radius:5px}.kana-quiz-select{position:relative;margin:0 0 18px!important;min-height:38px;gap:10px;flex-wrap:wrap}.kana-quiz-select select{position:static;max-width:100%;min-width:130px}.kana-question-text{display:none}.kana-feedback{margin-top:25px!important}.kana-detail{touch-action:pan-y}
.activity-month{display:flex;align-items:center;justify-content:space-between;font-size:15px;margin-bottom:15px}.activity-calendar{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:7px 4px;text-align:center}.activity-calendar .weekday{font-size:11px;color:var(--muted);padding:6px 0}.activity-day{position:relative;font-size:12px;padding:9px 0 13px;border-radius:11px;min-width:0;border:1px solid transparent}.activity-day i{position:absolute;bottom:5px;left:calc(50% - 2px);width:4px;height:4px;border-radius:50%;background:transparent}.activity-day.visited{background:var(--orangebg);color:var(--orange)}.activity-day.visited i{background:var(--orange)}.activity-day.today{font-weight:700}.activity-day.selected{border-color:var(--orange);box-shadow:inset 0 0 0 1px var(--orange)}.activity-summary{border-top:1px solid var(--line);margin-top:18px;padding-top:18px;text-align:center}.activity-summary small{color:var(--muted);font-size:11px}.activity-summary p{font-size:18px;font-weight:700;margin:8px 0}.pdf-content-options{display:flex;gap:16px;flex-wrap:wrap;border:0;padding:0;margin:12px 0 24px}.pdf-content-options legend{font-size:12px;color:var(--muted);margin-bottom:12px}.pdf-content-options label{display:flex;align-items:center;gap:6px;font-size:14px}.pdf-content-options input{width:17px;height:17px}
@media(max-width:620px){.study .studyhead{left:12px;right:12px;gap:5px}.studyhead .study-brand{font-size:12px}.studyhead .study-brand img{width:23px;height:23px}.studyhead .shuffle-top{font-size:10px;padding:5px 8px}.studyhead>.iconbtn{width:27px;min-width:27px}.study .prompt{font-size:min(var(--fit-size,38px),42px)}.study .learn-meaning{font-size:20px}.study .example{font-size:13px}.study .showanswer{min-height:80px}.study .answer .jpanswer{font-size:33px}.study .answer .translation{font-size:23px}.study .answer .reading{font-size:17px}.study .studycontent{left:26px;right:26px}.study .quiz-answer-zone{left:27px;right:27px}.dialog{max-height:90dvh}.dialogtop h2{font-size:15px}.dialog .passage-tools .reader-edit-furi{font-size:10px}.activity-calendar{gap:5px 3px}}
@media(max-height:570px){.study .studycontent{top:35%;max-height:38dvh}.study.memorize-layout .studycontent{top:40%}.study .example{font-size:10px;margin:4px}.study .study-count-pill{margin-bottom:4px}.study .prompt{font-size:28px}.study .statusactions button{min-height:56px}.study .showanswer{min-height:52px}.study .studyhead{top:8px}.study .studyoptions{top:50px}}

.word-swipe>.wordrow.new-word{background:color-mix(in srgb,var(--orangebg) 35%,var(--paper))}
/* v3.1: opacity may change, study positioning must never be animated via transform. */
.study .studycontent,.study .quiz-answer-zone,.study .studybottom{animation:none!important;transition:none!important}
.study .studybottom{left:50%;right:auto;width:calc(100% - 50px);max-width:560px;box-sizing:border-box;transform:translate(-50%,-50%);margin:0}
.study .studybottom .statusactions{display:grid!important;grid-template-columns:repeat(2,minmax(0,1fr));width:100%;max-width:470px;gap:12px;margin:0 auto}
.study .studybottom .statusactions button{width:100%;min-width:0;max-width:100%;box-sizing:border-box;margin:0;overflow-wrap:anywhere}
.study:not(.memorize-layout) .studybottom{transform:translateX(-50%)}
.study .statusactions button.chosen{transform:none}.study{touch-action:pan-y}
.editable-reading{cursor:pointer;border-bottom:1px dotted currentColor;padding-bottom:2px;pointer-events:auto;color:var(--orange)}.editable-reading:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:2px}.passage-base{cursor:pointer}.passage-base:focus-visible{outline:2px solid var(--orange)}
@media(max-width:360px){.study .studyhead{gap:3px}.studyhead .shuffle-top{font-size:9px;padding:5px 6px}.studyhead .study-brand{font-size:11px}}
/* v3.2: app-like motion, compact controls and touch-first study flows. */
html,body{touch-action:pan-x pan-y;overscroll-behavior:none;-webkit-text-size-adjust:100%}
.loading-shiba{animation:shiba-run-in 1.15s cubic-bezier(.2,.8,.25,1) infinite;transform-origin:50% 100%;will-change:transform,filter}
@keyframes shiba-run-in{0%{transform:translateY(18px) scale(.38);filter:blur(.4px)}45%{transform:translateY(2px) scale(.78) rotate(-2deg)}60%{transform:translateY(-3px) scale(.86) rotate(2deg)}100%{transform:translateY(0) scale(1.18);filter:blur(0)}}
.streak-badge.flame-pop span{animation:flame-pop .48s cubic-bezier(.2,.9,.25,1)}
@keyframes flame-pop{0%{transform:scale(1) rotate(0)}35%{transform:scale(1.55) rotate(-10deg)}70%{transform:scale(1.2) rotate(8deg)}100%{transform:scale(1) rotate(0)}}
.streak-badge span{display:inline-block;transform-origin:50% 90%}
.activity-streak{text-align:center;background:var(--orangebg);color:var(--orange);font-weight:700;padding:9px 12px;border-radius:12px;margin:0 0 14px}
.word-swipe>.wordrow{transition:transform .26s cubic-bezier(.2,.8,.2,1),background-color .2s}.word-swipe>.wordrow:not(.settling){transition:none}.swipe-state{opacity:calc(var(--swipe-progress,0)*1);transform:scale(calc(.8 + var(--swipe-progress,0)*.2));transition:opacity .08s linear}.word-swipe.committing>.wordrow{transition:transform .22s cubic-bezier(.18,.88,.25,1)}
.wordcell,.wordrow>.meaning{align-self:stretch;display:flex;align-items:center;border-radius:9px}.wordcell{cursor:pointer}.wordcell:active,.wordrow>.meaning:active{background:color-mix(in srgb,var(--orangebg) 55%,transparent)}.wordcell .jp{width:100%;pointer-events:none}.wordcell .draft-check{pointer-events:auto}
.filter[data-state="none"]{font-size:10px;padding:0 8px;color:var(--muted)}.filter.active[data-state="none"]{background:var(--bg);color:var(--text);border-color:var(--text)}
.study .furigana-toggle{font:700 10px 'Noto Sans JP',sans-serif;border:1px solid var(--line);border-radius:16px;padding:5px 8px;color:var(--muted);white-space:nowrap}.study .furigana-toggle.active{background:var(--green);color:white;border-color:var(--green)}.study .furigana-off rt{visibility:hidden}
.study:not(.memorize-layout) .quiz-answer-zone{top:calc(33.333% + 115px);left:0;right:0;transform:none;min-height:calc(66.667% - 115px);align-items:flex-start;padding-top:12px;pointer-events:none}.study:not(.memorize-layout) .quiz-answer-zone button{pointer-events:auto}.study .showanswer{border:0!important;background:transparent!important;box-shadow:none!important;width:100%!important;max-width:none!important;min-height:72px!important;padding:20px!important;color:var(--orange);font-weight:700}.study .revealed-answer{margin-top:0}.study .study-edge{display:none!important}
.passage-choice{display:block!important;width:100%;text-align:left!important;justify-content:flex-start!important;margin:0 0 9px}.passage-choice:first-child{margin-left:0!important}
.kana-detail{overflow:hidden!important;min-height:calc(70dvh - 70px);display:flex;flex-direction:column;align-items:center;justify-content:center}.kana-edge{display:none!important}.kana-detail+.kana-statusactions{margin-top:-125px;position:relative}.kana-question{margin-top:-12px!important;padding-top:0!important}.kana-quiz-heading{margin-bottom:0!important}
.custom-select-menu{position:fixed;z-index:120;background:var(--paper);border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow);padding:4px;max-height:min(270px,45dvh);overflow:auto}.custom-select-menu button{display:block;width:100%;padding:10px 12px;text-align:left;border-radius:7px;font-size:13px}.custom-select-menu button:hover,.custom-select-menu button.selected{background:var(--orangebg);color:var(--orange)}
.dialog .example-add{margin-top:10px}.word-context{display:flex;justify-content:space-between;gap:12px;padding:11px;background:var(--bg);border-radius:10px}.word-context span{color:var(--muted)}
@media(max-width:620px){.study .studyhead{flex-wrap:nowrap}.study .furigana-toggle{padding:4px 6px;font-size:9px}.studyhead .shuffle-top{padding:5px 6px}.kana-detail{min-height:calc(82dvh - 80px)}.kana-detail+.kana-statusactions{margin-top:-118px}.kana-question{transform:translateY(-18px)}.wordrow{gap:7px!important}.tablehead,.wordrow{grid-template-columns:minmax(0,1.35fr) minmax(0,1fr) 38px!important}.badge{width:30px;height:30px}}
@media(prefers-reduced-motion:reduce){.loading-shiba,.streak-badge.flame-pop span{animation:none}.word-swipe>.wordrow{transition:none}}

/* v3.3: spreadsheet entry, study scopes and daily missions. */
.filters{flex-wrap:nowrap}.filter[data-state="none"]{white-space:nowrap;min-width:46px}
.learning-buttons{align-items:stretch}.mission-button{display:flex;align-items:center;justify-content:center;gap:5px;min-height:42px;padding:7px 11px;border:1px solid var(--orange);border-radius:11px;background:var(--orangebg);color:var(--orange);font-weight:700;white-space:nowrap}.mission-button small{font-size:9px;padding-left:5px;border-left:1px solid currentColor}.mission-button.complete{background:var(--green);border-color:var(--green);color:white}
.mission-streak,.mission-complete-streak{text-align:center;color:var(--orange);font-weight:700}.mission-summary{padding:15px;border:1px solid var(--line);border-radius:14px;background:var(--bg);margin-bottom:16px}.mission-summary>strong{display:block;text-align:center;font-size:18px}.mission-summary.complete{background:var(--orangebg);border-color:var(--orange)}.mission-summary small{display:block;text-align:center;color:var(--muted);font-size:10px;margin-top:7px}.mission-progress{height:8px;background:var(--line);border-radius:99px;overflow:hidden;margin:12px 0 0}.mission-progress i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--orange),var(--green))}
.study .studyoptions{gap:9px;align-items:flex-start;flex-wrap:wrap}.study-scope,.quiz-direction{display:flex;align-items:center;gap:6px}.study-scope span,.quiz-direction span{font-size:10px;color:var(--muted);white-space:nowrap}.study-scope select{height:35px;min-width:92px;font-size:11px}.study .study-edge{display:flex!important;align-items:center;justify-content:center;top:42%;bottom:10%;height:auto;width:44px;font-size:34px;opacity:.22;z-index:29}.study .study-edge.left{left:0}.study .study-edge.right{right:0}.study .study-complete{pointer-events:auto!important;top:50%!important}.study-complete .actions{display:flex;gap:10px;margin-top:18px;pointer-events:auto}.study-complete .actions button{min-height:44px;padding:9px 18px}.completion-shiba img{animation:completion-hop .7s cubic-bezier(.2,.9,.3,1)}@keyframes completion-hop{0%{transform:translateY(20px) scale(.75)}55%{transform:translateY(-8px) scale(1.08)}100%{transform:none}}
.study .statusactions button small{display:block;font-size:8px;opacity:.7;margin-top:2px}
.paste-grid td{position:relative}.paste-grid td.cell-selected{background:color-mix(in srgb,var(--bluebg) 72%,var(--paper));box-shadow:inset 0 0 0 1px var(--blue)}.paste-grid td.cell-anchor{box-shadow:inset 0 0 0 2px var(--blueink)}.paste-grid td.cell-selected textarea{background:transparent}.paste-grid textarea{cursor:cell}
.word-input-field{position:relative}.word-suggestions{position:absolute;z-index:80;left:0;right:0;top:100%;margin-top:3px;padding:4px;background:var(--paper);border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow);max-height:260px;overflow:auto}.word-suggestions button{display:grid;grid-template-columns:minmax(70px,.8fr) minmax(70px,.8fr) minmax(100px,1.3fr);gap:8px;width:100%;padding:9px;text-align:left;border-radius:7px}.word-suggestions button:hover,.word-suggestions button:focus{background:var(--orangebg)}.word-suggestions span,.word-suggestions small{color:var(--muted);overflow-wrap:anywhere}
.import-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:12px 0}.import-actions .passage-edit-open{margin:0}.photo-import-button{border-color:var(--orange);color:var(--orange)}.photo-import-progress{text-align:center;padding:28px 0}.photo-import-progress img{display:block;margin:0 auto 12px;animation:photo-shiba 1s ease-in-out infinite alternate}.photo-import-progress strong{display:block}@keyframes photo-shiba{to{transform:translateY(-7px) rotate(2deg)}}
.loading-shiba{animation:shiba-sprint-in 1.5s cubic-bezier(.15,.75,.22,1) infinite!important}.account-card:has(.loading-shiba)::after{content:none;display:none}@keyframes shiba-sprint-in{0%{transform:translate(-42px,24px) scale(.24) rotate(-5deg);filter:blur(1px)}22%{transform:translate(-24px,12px) scale(.48) rotate(5deg)}44%{transform:translate(-8px,-2px) scale(.72) rotate(-4deg)}66%{transform:translate(5px,3px) scale(.96) rotate(3deg)}82%{transform:translate(-2px,-5px) scale(1.12) rotate(-2deg)}100%{transform:translate(0,0) scale(1.25);filter:blur(0)}}@keyframes dust-bounce{to{transform:translateY(-5px);opacity:.35}}
.dark .word-suggestions{background:var(--paper)}
@media(max-width:620px){.learning-buttons{display:grid;grid-template-columns:1fr 1fr}.learning-buttons .mission-button{grid-column:1/-1;min-height:36px}.word-suggestions button{grid-template-columns:minmax(65px,.8fr) minmax(65px,.7fr) minmax(90px,1fr);font-size:11px}.study .studyoptions{top:66px}.study-scope span,.quiz-direction span{display:none}.study-scope select{min-width:84px}.study .study-edge{width:34px}}
@media(prefers-reduced-motion:reduce){.loading-shiba,.account-card:has(.loading-shiba)::after,.completion-shiba img{animation:none!important}}

/* v3.4 teacher mission demo */
.mission-today{width:min(620px,100%);margin:auto}.mission-word-list{display:grid;gap:8px;margin:16px 0}.mission-word-list>div{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr) 34px;align-items:center;gap:10px;padding:12px 14px;border:1px solid var(--line);border-radius:14px;background:var(--paper)}.mission-word-list ruby{font-family:'Zen Maru Gothic',sans-serif;font-size:1.05rem}.mission-word-list strong{font-weight:600}.mission-word-list i{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;font-style:normal;font-weight:800}.mission-word-list i.known{color:var(--blue);background:var(--bluebg)}.mission-word-list i.hard{color:var(--red);background:var(--redbg)}.mission-word-list i.none{color:var(--muted);background:var(--bg)}.mission-settings input{max-width:160px}.teacher .learning-buttons{grid-template-columns:1fr}.teacher .mission-button{min-height:48px}.study.mission-layout .mission-today .dialogbottom{position:static;padding:0;background:none}
@media(max-width:520px){.mission-word-list>div{grid-template-columns:minmax(0,1fr) minmax(0,.9fr) 30px;padding:10px}.mission-word-list strong{font-size:.9rem}}

/* v3.10: compact four-column editor; rows expand only when user enters long content. */
.paste-grid table{min-width:620px;table-layout:fixed}
.paste-grid textarea{box-sizing:border-box;min-height:29px;height:32px;padding:5px 7px;line-height:1.3;font-size:12px;resize:vertical}
.paste-grid th{padding:4px 5px}
.paste-grid td{vertical-align:middle}
.paste-grid tbody tr{height:auto}
.queue-order{display:inline-flex;gap:3px;margin-left:auto}
.queue-order button{min-width:25px;min-height:25px;padding:2px 6px;border:1px solid var(--line);border-radius:6px}
.queue-order button:disabled{opacity:.3}