:root{color-scheme:light;--ink:#1e293b;--muted:#475569;--border:#e2e8f0;--bg:#f8fafc;--accent:#0f766e}*{box-sizing:border-box}body{background:var(--bg);min-height:100vh;color:var(--ink);margin:0;font:16px/1.6 Inter,system-ui,-apple-system,PingFang TC,Microsoft JhengHei,sans-serif}.shell{width:min(100% - 2.5rem,1040px);margin-inline:auto}.site-header{border-bottom:1px solid var(--border);background:#fff}.header-inner,nav{align-items:center;gap:1.25rem;display:flex}.header-inner{justify-content:space-between;min-height:74px}nav{flex-wrap:wrap}.brand{white-space:nowrap;font-size:1.2rem;font-weight:750}.brand span{color:var(--accent)}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}h1{margin:0 0 .65rem;font-size:2rem;line-height:1.25}h2{margin:0 0 1rem;font-size:1.2rem}p{margin:.3rem 0 1rem}.muted,.account{color:var(--muted)}.account{overflow-wrap:anywhere;font-size:.875rem}main{padding-block:2.75rem 4rem}.panel{border:1px solid var(--border);background:#fff;border-radius:12px;padding:1.5rem}.page-heading{margin-bottom:2rem}.notice{border-left:3px solid var(--accent);background:#ecfdf5;margin:1rem 0;padding:1rem}.error{color:#991b1b}.list{gap:1rem;margin:0;padding:0;list-style:none;display:grid}.book-heading{flex-wrap:wrap;align-items:baseline;gap:.75rem;display:flex}.book-heading h2{margin:0}.book-meta{color:var(--muted);flex-wrap:wrap;gap:.8rem;margin-top:.75rem;font-size:.9rem;display:flex}.form-stack{gap:1rem;display:grid}.auth-panel{max-width:440px;margin-inline:auto}label{gap:.35rem;font-weight:600;display:grid}input,select,textarea{width:100%;font:inherit;color:var(--ink);background:#fff;border:1px solid #94a3b8;border-radius:7px;padding:.7rem}input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:2px}textarea{resize:vertical}.field-help{color:var(--muted);margin:-.65rem 0 0;font-size:.85rem}.create-book-panel{max-width:660px}button{cursor:pointer;font:inherit}.primary{background:var(--accent);color:#fff;border:0;border-radius:7px;padding:.7rem 1.3rem;font-weight:600}.secondary{border:1px solid var(--border);background:#fff;border-radius:7px;padding:.6rem 1rem}.text-button{color:var(--accent);background:0 0;border:0;padding:0}.footer{color:var(--muted);gap:.6rem;padding-bottom:2rem;font-size:.85rem;display:flex}@media (width<=640px){.header-inner{flex-direction:column;align-items:flex-start;gap:.3rem;padding-block:.8rem}nav{gap:.85rem;font-size:.9rem}main{padding-top:1.7rem}h1{font-size:1.75rem}}.derived-field[readonly]{color:#526763;cursor:default;background:#f1f5f4;border-color:#cbd5d1;font-family:ui-monospace,SFMono-Regular,Consolas,monospace}.derived-field[readonly]:focus-visible{outline-color:#64748b}.page-actions{flex-wrap:wrap;align-items:center;gap:.75rem;margin:.75rem 0 1rem;display:flex}.action-button{border-radius:7px;justify-content:center;align-items:center;min-height:44px;padding:.7rem 1.1rem;font-weight:600;line-height:1.2;text-decoration:none;display:inline-flex}.action-button:hover{text-decoration:none}.action-button.primary{border:1px solid var(--accent)}.action-button.secondary{color:var(--ink);border-color:#94a3b8}.action-button.secondary span{margin-left:.28rem;font-size:.92em}.book-section{margin-top:1.25rem}.upload-form{gap:1rem;max-width:620px;display:grid}.upload-form .primary{justify-self:start}.upload-form .primary:disabled{cursor:wait;opacity:.72}.upload-progress{margin:0}.attempt-list{gap:.75rem;display:grid}.attempt-row{border-top:1px solid var(--border);justify-content:space-between;gap:1rem;padding:.85rem 0;display:flex}.attempt-row:first-child{border-top:0;padding-top:0}.attempt-row>div{gap:.2rem;display:grid}.attempt-meta{color:var(--muted);justify-items:end;font-size:.875rem}.mono{overflow-wrap:anywhere;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.85em}@media (width<=640px){.attempt-row{flex-direction:column}.attempt-meta{justify-items:start}}.preview-link{justify-content:center;justify-self:end;align-items:center;text-decoration:none;display:inline-flex}.preview-link:hover{text-decoration:none}.preview-heading{justify-content:space-between;align-items:flex-start;gap:1rem;display:flex}.preview-badge{white-space:nowrap;border:1px solid var(--border);color:var(--muted);background:#fff;border-radius:999px;padding:.35rem .7rem;font-size:.8rem}.preview-frame-shell{border:1px solid var(--border);background:#fff;border-radius:12px;overflow:hidden}.preview-frame{background:#fff;border:0;width:100%;min-height:75vh;display:block}@media (width<=640px){.preview-link{justify-self:start}.preview-heading{flex-direction:column}.preview-frame{min-height:70vh}}.release-list{gap:1rem;display:grid}.release-row{border-top:1px solid var(--border);justify-content:space-between;align-items:flex-start;gap:1.25rem;padding:1rem 0;display:flex}.release-row:first-child{border-top:0;padding-top:0}.release-main{gap:.65rem;min-width:0;display:grid}.release-heading{flex-wrap:wrap;align-items:center;gap:.65rem;display:flex}.release-identity{grid-template-columns:max-content minmax(0,1fr);align-items:baseline;gap:.35rem .75rem;font-size:.875rem;display:grid}.release-identity>span{color:var(--muted)}.release-identity code,.release-meta code{overflow-wrap:anywhere;word-break:break-all;font-family:ui-monospace,SFMono-Regular,Consolas,monospace}.release-meta{color:var(--muted);gap:.2rem;font-size:.85rem;display:grid}.release-actions{flex:none;justify-items:end;gap:.6rem;display:grid}.release-actions form{margin:0}.release-actions .primary:disabled{cursor:wait;opacity:.72}@media (width<=720px){.release-row{flex-direction:column}.release-actions{grid-template-columns:repeat(2,minmax(0,max-content));justify-items:start;width:100%}.release-identity{grid-template-columns:1fr;gap:.15rem}.release-identity>span:not(:first-child){margin-top:.35rem}}.publishing-progress{grid-template-columns:repeat(3,minmax(0,1fr));gap:.75rem;margin:1.25rem 0;display:grid}.publishing-stage{border:1px solid var(--border);background:#fff;border-radius:10px;align-items:center;gap:.7rem;min-width:0;padding:.85rem 1rem;display:flex}.publishing-stage.complete{background:#f0fdfa;border-color:#99d5cd}.publishing-stage .stage-number{border:1px solid #94a3b8;border-radius:999px;flex:none;justify-content:center;align-items:center;width:1.8rem;height:1.8rem;font-size:.82rem;font-weight:700;display:inline-flex}.publishing-stage.complete .stage-number{border-color:var(--accent);color:var(--accent)}.publishing-stage>span:last-child{min-width:0;display:grid}.publishing-stage small{color:var(--muted);font-size:.78rem}.publishing-tabs{border-bottom:1px solid var(--border);gap:.25rem;margin:1.25rem 0 0;padding:0;display:flex}.publishing-tab{min-height:44px;color:var(--muted);border-bottom:2px solid #0000;align-items:center;padding:.65rem 1rem;font-weight:600;text-decoration:none;display:inline-flex}.publishing-tab:hover{color:var(--ink);text-decoration:none}.publishing-tab.active{border-bottom-color:var(--accent);color:var(--accent)}.publishing-tabs+.book-section{margin-top:1rem}@media (width<=720px){.publishing-progress{grid-template-columns:1fr}.publishing-tabs{scrollbar-width:thin;overflow-x:auto}.publishing-tab{white-space:nowrap}}