html body #overlay:not([hidden]):has(.learn){display:flex!important;padding:max(12px,env(safe-area-inset-top)) max(12px,env(safe-area-inset-right)) max(16px,env(safe-area-inset-bottom)) max(12px,env(safe-area-inset-left))}
html body .modal:has(.learn){width:min(900px,100%);max-width:900px;height:min(530px,calc(100dvh - 32px));max-height:calc(100dvh - 32px);padding:18px;border-radius:24px;overflow:hidden;background:#fff8e8}
.learn{height:100%;display:grid;grid-template-rows:auto 5px minmax(0,1fr) auto;gap:12px}
.learn-head,.learn-foot,.learn-foot nav{display:flex;align-items:center;justify-content:space-between;gap:10px}
.learn-head span{font-weight:900;letter-spacing:1px;font-size:13px}.learn-head b{color:var(--blue);margin-left:10px}
.learn button{min-height:44px;padding:8px 14px;border-radius:12px;background:#fffdf7;font-weight:700;font-size:15px;margin:0}
.learn button.primary{background:var(--blue);color:white;min-width:110px}
.learn-track{display:flex;gap:5px}.learn-track i{flex:1;border-radius:8px;background:#e3dccd}.learn-track i.active{background:var(--blue)}
.learn-body{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);gap:24px;overflow:auto;min-height:0;align-items:center}
.learn-art{background:#edf3fb;border-radius:20px;padding:16px;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:14px;text-align:center;min-width:0;align-self:stretch}
.learn-art>img{width:90px;height:104px;object-fit:contain}
.learn-letters{display:flex;gap:6px;justify-content:center;flex-wrap:wrap}
.learn-letters span{min-width:38px;height:48px;display:grid;place-items:center;border:2px solid var(--blue);border-radius:9px;background:white;color:var(--blue);font-size:clamp(12px,2vw,24px);font-weight:900;padding:4px}
.learn-choice{display:flex;gap:12px}.learn-choice button{width:56px;font-size:24px;border:2px solid var(--blue)}
.learn-owned span{background:var(--blue);color:white}.learn-owned span:last-child{background:var(--red);border-color:var(--red)}
.learn-copy h2{font-size:clamp(22px,3vw,32px);line-height:1.25;margin:0 0 16px}
.learn-copy p{font-size:clamp(16px,2vw,20px);line-height:1.65;margin:0;color:var(--ink);word-break:keep-all;overflow-wrap:anywhere}
.learn-copy .learn-note{font-size:14px;line-height:1.6;color:var(--muted);margin-top:16px}
.learn-pill{border-radius:12px;background:white;padding:10px;font-weight:800}.learn-hearts{font-size:38px;color:var(--red)}.learn-refresh{font-size:64px;color:var(--blue)}
.learn-foot{border-top:1px solid var(--line);padding-top:10px}.learn-listen{color:var(--blue)}
.learn .learn-head button,.learn .learn-foot button{width:auto;flex:none;min-height:44px;margin:0;border-radius:14px;padding:10px 16px;font-size:15px;line-height:1.25}
.learn button.secondary{background:#fffdf5;border:1.5px solid var(--line);color:var(--ink);box-shadow:none}
.learn .learn-foot button.primary{background:var(--blue);border:2px solid var(--ink);color:white;box-shadow:0 4px 0 var(--ink);min-width:110px}
.learn .learn-copy .learn-note{color:var(--ink);font-size:15px;border-top:1px solid var(--line);padding-top:10px}
.learn-art{flex-shrink:0}.learn-art strong{line-height:1.45}
@media(orientation:landscape) and (max-height:440px){html .learn-art{padding:6px;gap:6px}html .learn-art>img{width:48px;height:48px}}
@media(orientation:landscape) and (max-height:440px){html body .modal:has(.learn){padding:10px 16px}.learn{gap:6px}.learn-body{gap:16px}.learn-art{padding:10px;gap:8px}.learn-art>img{width:64px;height:68px}.learn-copy h2{font-size:22px;margin-bottom:8px}.learn-copy p{font-size:16px;line-height:1.45}.learn-copy .learn-note{font-size:12px;margin-top:8px}.learn-foot{padding-top:6px}.learn-letters span{height:38px}.learn-art strong{font-size:13px}}
@media(orientation:portrait) and (max-width:600px){.learn-body{grid-template-columns:1fr;gap:16px;align-content:start}.learn-art{min-height:170px}.learn-copy h2{font-size:23px}.learn-copy p{font-size:17px}html body .modal:has(.learn){height:calc(100dvh - 32px)}.learn-head span{font-size:11px}.learn button{padding:8px 10px}.learn-art>img{height:80px}}
@media(orientation:portrait) and (max-width:900px){
 html body .modal:has(.learn){width:min(600px,100%);height:min(1000px,calc(100dvh - 32px));padding:14px}
 .learn-body{grid-template-columns:1fr;grid-template-rows:auto minmax(0,1fr);gap:12px;align-items:stretch;align-content:stretch}
 .learn-copy{grid-row:1}.learn-copy h2{font-size:22px;margin-bottom:8px}.learn-copy p{font-size:16px;line-height:1.45}.learn .learn-copy .learn-note{font-size:13px;margin-top:8px;padding-top:8px;line-height:1.4}
 .learn-art{grid-row:2;min-height:0;background:#fffdf5;border:2px solid var(--ink);outline:1px solid var(--line);outline-offset:-6px;padding:12px;gap:8px}
 .learn-art>img{width:60px;height:64px;min-height:40px;flex-shrink:1}.learn-art strong,.learn-pill{font-size:13px;line-height:1.4}.learn-pill{padding:7px}
 .learn-letters{flex-wrap:nowrap;max-width:100%;gap:5px}.learn-letters span{height:42px;min-width:36px;font-size:16px}
 .learn-foot{display:grid;grid-template-columns:44px minmax(0,1fr);gap:8px}.learn .learn-foot .learn-listen{width:44px;padding:0;font-size:0}.learn-listen:before{content:'♫';font-size:23px}
 .learn .learn-foot nav button{flex:1;min-width:0;min-height:48px;padding:8px;font-size:14px}.learn .learn-head button{padding:8px 10px;font-size:13px}
}