.mode-tabs{display:flex;gap:8px;margin:20px 0 4px}.tab{background:transparent;color:#66737b;border-bottom:2px solid transparent;border-radius:0;padding:10px 4px;margin-right:18px}.tab.active{color:#16697a;border-bottom-color:#16697a}.library-head{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:26px 0 17px}.library-head h2{margin:0;font-size:27px}.library-head p{color:#6d7780;font-size:14px}.pie-wrap{display:flex;gap:13px;align-items:center}.pie{width:92px;height:92px;border-radius:50%;background:#ddd;display:grid;place-items:center;position:relative}.pie:after{content:"";position:absolute;width:62px;height:62px;background:#f3f1eb;border-radius:50%}.pie span{z-index:1;font-size:12px;text-align:center;line-height:1.2}.pie-legend{font-size:12px;color:#59666f;display:grid;gap:6px}.dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:5px}.good-dot{background:#32815c}.again-dot{background:#dc7a35}.new-dot{background:#b8c2c8}.library-toolbar{display:flex;gap:12px;flex-wrap:wrap;padding:12px 0;border-top:1px solid #e6e1d8}.library-toolbar label{display:flex;align-items:center;gap:7px;font-size:13px;color:#6d7780}.card-list{display:grid;gap:9px;margin-top:10px}.library-card{background:#fffdf8;border:1px solid #e6e1d8;border-radius:12px;padding:16px;display:grid;grid-template-columns:12px 1fr auto;gap:12px;align-items:start}.mastery-mark{width:10px;height:10px;border-radius:50%;margin-top:5px}.mark-good{background:#32815c}.mark-again{background:#dc7a35}.mark-new{background:#b8c2c8}.library-q{font-weight:700;line-height:1.5}.library-a{font-size:14px;color:#53616a;white-space:pre-line;line-height:1.55;margin-top:5px}.source-btn{font-size:12px;white-space:nowrap}.source-modal{position:fixed;inset:0;background:#192126c9;z-index:5;padding:25px;display:grid;place-items:center}.source-modal img{max-width:min(94vw,1000px);max-height:82vh;box-shadow:0 8px 38px #000}.source-modal button{position:fixed;top:18px;right:20px;background:#fff;color:#26333a}.card{transition:transform .2s ease,opacity .2s ease}.card.advance{transform:translateX(24px);opacity:.08}@media(max-width:560px){.library-head{align-items:flex-start;flex-direction:column}.library-card{grid-template-columns:10px 1fr}.source-btn{grid-column:2}.pie-wrap{align-self:stretch}.mode-tabs{margin-top:12px}}