@charset "UTF-8";:root{--font-size: 16px;@media(max-width:64rem){--font-size: 14px}}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body,html{height:100%;width:100%;font-size:var(--font-size);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,PingFang SC,Hiragino Sans GB,Microsoft YaHei,WenQuanYi Micro Hei,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow:hidden}body,html{background-color:#1f2937}body{display:flex;flex-direction:column;height:100%;width:100%;-webkit-user-select:none;user-select:none}header{display:flex;flex:0 0 auto;justify-content:space-between;align-items:center;height:3.125rem;width:100%;padding:0 .75rem;overflow:hidden;#title{font-size:2rem;color:#409eff;cursor:pointer}#clear-btn{cursor:pointer;width:1.5rem;height:1.5rem}}main{flex:1;display:flex;overflow:hidden}nav{width:6rem;height:100%;display:flex;flex-direction:column;align-items:center;overflow-x:hidden;overflow-y:auto;scrollbar-width:thin;scrollbar-color:#666 transparent;background-color:#1f2937;transition:width .3s ease;&.flag-visible{width:0}@media(max-width:768px){&.flag-visible{width:6rem}width:0}button{width:75%;background:none;border:none;border-radius:.4rem;margin:.75rem 0;padding:.4rem .8rem;font-size:.9rem;color:#fff;word-break:keep-all;text-align:center;cursor:pointer;transition:background-color .3s,border-color .3s;box-shadow:0 0 .625rem #000;&.active{background-color:#374151;color:#ffd04b}@media(hover:hover)and (pointer:fine){&:hover{background-color:#374151;color:#ffd04b}}}}#book-list{display:flex;flex:1;flex-wrap:wrap;gap:1.25rem;align-content:flex-start;background-color:#f2e8c8;padding:1.25rem;overflow-x:hidden;overflow-y:auto;scrollbar-width:auto;scrollbar-color:#666666 transparent;box-shadow:0 0 1rem #000 inset;#book-input-label{flex:0 0 auto;width:7.5rem;aspect-ratio:5/6;border:.125rem dashed #ccc;border-radius:.375rem;display:flex;justify-content:center;align-items:center;color:#ccc;font-size:3rem;cursor:pointer;transition:border-color .3s,color .3s;-webkit-user-select:none;user-select:none;@media(hover:hover)and (pointer:fine){&:hover{border-color:#409eff;color:#409eff}}}#book-input{display:none}.book{display:flex;flex:0 0 auto;width:7.5rem;aspect-ratio:5/6;background-color:#144b82;border-radius:.375rem;color:#eee;padding:.5rem;overflow:hidden;font-size:.9rem;flex-direction:column;box-shadow:0 .32rem 1rem #0009;opacity:0;transform:translateY(-1rem);transition:opacity .3s ease,transform .3s ease;&.show{opacity:1;transform:translateY(0)}@media(hover:hover)and (pointer:fine){&:hover{background-color:#397fc4;transform:translateY(-.32rem)}}.book-header{display:flex;width:100%;height:10%;justify-content:flex-end;@media(hover:hover)and (pointer:fine){.book-delete-btn{opacity:0;cursor:pointer;transition:opacity .3s;.book:hover &{opacity:1}}}}.book-body{display:flex;width:100%;height:80%;justify-content:center;align-items:center;cursor:pointer;.book-title{max-width:100%;max-height:100%;overflow:hidden;text-align:center}}.book-footer{width:100%;height:10%}}}.dialog{background:#2c2c2c;color:#f2e8c8;border:none;border-radius:.5rem;box-shadow:0 .25rem .75rem #0006;padding:0;width:20rem;user-select:none;-webkit-user-select:none;display:none;flex-direction:column;overflow:hidden;position:absolute;top:0;left:0;margin:auto;&[open]{display:flex}&::backdrop{background:#0009;backdrop-filter:blur(2px)}.header{padding:.8rem 1rem;font-size:1.2rem;font-weight:700;border-bottom:1px solid #444;display:flex;justify-content:space-between;align-items:center;.close-btn{color:#f2e8c8;cursor:pointer}}.body{padding:1.5rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.footer{padding:1rem 1.5rem;display:flex;justify-content:flex-end;gap:.75rem;border-top:.0625rem solid #444;button{padding:.6rem 1.2rem;border:none;border-radius:.325rem;font-size:1rem;cursor:pointer;transition:background-color .2s}.confirm-btn{background:#397fc4;color:#fff;&:hover{background:#4a8ed9}}.cancel-btn{background:#555;color:#fff;&:hover{background:#666}}}}.overlay{position:absolute;left:0;top:0;width:100%;height:100%;background:#0009;display:flex;flex-direction:column;justify-content:center;align-items:center;z-index:2000;color:#f2e8c8;font-size:1.2rem;user-select:none;-webkit-user-select:none;&[hidden]{display:none}.spinner{width:3.125rem;height:3.125rem;border:.375rem solid #397fc4;border-top-color:transparent;border-radius:50%;animation:spin 1s linear infinite;margin-bottom:.625rem}}@keyframes spin{to{transform:rotate(360deg)}}