/* v1.63: intrinsic image proportions, frontend composition and page loading. */
.card .cover,.c121,.row .cov,.row .b21{background-size:cover!important;background-position:center!important;background-repeat:no-repeat!important;}
.c121{flex:0 0 auto!important;aspect-ratio:3/1;height:auto!important;min-height:0!important;width:100%;}
.c13 .row .cov,.b2 .row .b21{aspect-ratio:16/9;align-self:start;min-height:0!important;}
.paper img,.paper video,.paper figure img{max-width:100%;height:auto;object-fit:contain;}
.paper img:not(.sm-author-card-image){height:auto!important;}
.sm-result-pages{display:flex;align-items:center;justify-content:center;gap:18px;padding:20px 0;flex-wrap:wrap;}
.sm-result-pages a,.sm-compose-dialog button{border:0;border-radius:12px;padding:10px 20px;background:var(--sm-accent-soft,#e5efed);color:var(--sky-deep,#287c80);text-decoration:none;font:inherit;font-weight:700;cursor:pointer;}
.sm-footer-right{margin-top:6px;overflow-wrap:anywhere;}
.sm-compose-dialog{position:fixed;inset:0;margin:auto;width:min(1060px,94vw);max-width:94vw;max-height:90dvh;box-sizing:border-box;overflow:auto;padding:28px;border:1px solid var(--line);border-radius:24px;background:var(--sm-surface,#fafcfb);color:var(--ink,#243b3d);box-shadow:0 24px 80px #132a3155;}
.sm-compose-dialog::backdrop{background:#10252c88;}
html.sm-compose-open{overflow:hidden!important;}
.sm-compose-heading{display:flex;gap:20px;justify-content:space-between;align-items:start;margin-bottom:18px;}
.sm-compose-heading h2{margin:0 0 8px;font-size:24px;}
.sm-compose-heading p,.sm-compose-dialog small{font-size:13px;color:var(--muted,#64817d);line-height:1.7;}
.sm-compose-heading p{margin:0;}
.sm-compose-heading button{font-size:25px;padding:0 12px;background:transparent;}
.sm-compose-dialog label{display:block;font-weight:700;margin-bottom:8px;}
.sm-compose-dialog label small{margin-left:10px;font-weight:400;}
.sm-compose-dialog input:not([type=file]),.sm-compose-dialog textarea{box-sizing:border-box;width:100%;border:1px solid var(--line,#d4e2df);border-radius:12px;background:var(--sm-soft,#eef3f0);color:inherit;padding:13px;font:inherit;line-height:1.7;}
.sm-compose-dialog input:focus,.sm-compose-dialog textarea:focus{outline:2px solid var(--sky,#398b8a);outline-offset:2px;}
.sm-compose-columns{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:24px;margin-top:22px;}
.sm-compose-writing textarea{min-height:36vh;resize:vertical;}
.sm-compose-cover input{max-width:100%;font-size:12px;margin:10px 0;}
.sm-compose-cover small{display:block;}
.sm-compose-preview{position:relative;aspect-ratio:16/10;display:grid;place-items:center;overflow:hidden;border-radius:14px;background:linear-gradient(135deg,#f9d7e3,#e1edda);color:#5c786f;font-size:12px;}
.sm-compose-preview img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.sm-compose-preview img[hidden]{display:none;}
.sm-compose-actions{display:flex;justify-content:flex-end;gap:12px;margin-top:16px;}
.sm-compose-actions #sm-compose-submit{background:var(--sky,#287c80);color:white;}
#sm-compose-result{min-height:1.5em;line-height:1.6;font-size:14px;margin-top:14px;}
.sm-compose-dialog button:disabled{opacity:.6;cursor:wait;}
.sm-compose-cover #sm-compose-remove{font-size:12px;padding:6px 10px;margin-top:10px;}
#sm-page-loading{display:none;position:fixed;inset:0;z-index:99999;box-sizing:border-box;overflow:auto;background:radial-gradient(ellipse at 50% 40%,#fffdf4,#f4f9f7 72%);color:#42736d;text-align:center;padding:20px;align-content:center;justify-items:center;}
.sm-loading #sm-page-loading{display:grid;}
.sm-loading-scene{width:min(520px,85vw);}
#sm-page-loading [hidden]{display:none!important;}
.sm-book-animation{width:100%;height:auto;display:block;overflow:visible;}
.sm-manga-title{font-family:'Yu Gothic','Hiragino Maru Gothic ProN','Microsoft YaHei',sans-serif;font-weight:900;letter-spacing:.06em;color:#53867d;text-shadow:2px 2px 0 #fff,-2px -2px 0 #fff,3px 4px 0 #c5dcd1;line-height:1.5;font-size:clamp(23px,3vw,36px);}
.sm-loading-scene p{margin:8px 0;}
.sm-loading-scene>p:last-child{font-size:13px;letter-spacing:.15em;}
@media(max-width:768px){.sm-compose-dialog{padding:20px;width:94vw;}.sm-compose-columns{grid-template-columns:1fr;gap:18px;}.sm-compose-cover{display:grid;grid-template-columns:120px minmax(0,1fr);gap:8px 12px;}.sm-compose-cover label,.sm-compose-cover small{grid-column:1/-1;}.sm-compose-cover #sm-compose-remove{margin:0;}.sm-compose-writing textarea{min-height:30vh;}}


.sm-book-animation{contain:layout paint;}