:root{--v5-bg:#f5f7fb;--v5-surface:#fff;--v5-surface-2:#eef3f9;--v5-text:#162033;--v5-muted:#68758a;--v5-border:#dbe3ee;--v5-accent:#1769e0;--v5-accent-2:#0f56bf;--v5-danger:#b42318;--v5-success:#087443;--v5-shadow:0 14px 38px rgba(24,39,75,.08)}
html[data-theme="dark"]{--v5-bg:#0e1420;--v5-surface:#151e2d;--v5-surface-2:#1b2739;--v5-text:#edf3fb;--v5-muted:#9badc4;--v5-border:#2b3a50;--v5-accent:#66a6ff;--v5-accent-2:#8bbcff;--v5-danger:#ff8d83;--v5-success:#65d6a0;--v5-shadow:0 16px 42px rgba(0,0,0,.25)}
@media(prefers-color-scheme:dark){html[data-theme="system"]{--v5-bg:#0e1420;--v5-surface:#151e2d;--v5-surface-2:#1b2739;--v5-text:#edf3fb;--v5-muted:#9badc4;--v5-border:#2b3a50;--v5-accent:#66a6ff;--v5-accent-2:#8bbcff;--v5-danger:#ff8d83;--v5-success:#65d6a0;--v5-shadow:0 16px 42px rgba(0,0,0,.25)}}
body{background:var(--v5-bg);color:var(--v5-text)}
a{color:var(--v5-accent)}
.site-header,.site-footer,.content-page-card,.article-card,.book-card{transition:background-color .2s ease,color .2s ease,border-color .2s ease}
.site-header-inner{gap:18px}.site-actions{display:flex;align-items:center;gap:8px;margin-left:auto}.site-action-link,.theme-toggle{border:1px solid var(--v5-border);background:var(--v5-surface);color:var(--v5-text);border-radius:10px;padding:8px 11px;font:inherit;text-decoration:none;cursor:pointer}.theme-toggle{width:40px;height:40px;padding:0;font-size:20px}.site-action-link:hover,.theme-toggle:hover{border-color:var(--v5-accent)}
.ad-slot{width:min(100% - 24px,1000px);margin:18px auto;padding:9px;border:1px dashed var(--v5-border);border-radius:12px;background:var(--v5-surface);text-align:center;overflow:hidden;min-height:42px;display:grid;place-items:center;position:relative}.ad-slot .ad-label{position:absolute;left:8px;top:4px;font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--v5-muted)}.ad-slot img{display:block;max-width:100%;height:auto;margin:auto}.ad-image-link{display:block;max-width:100%}
.article-hero-image{margin:0 0 26px}.article-hero-image img{display:block;width:100%;max-height:560px;object-fit:cover;border-radius:16px;border:1px solid var(--v5-border)}
.engagement-panel{margin:34px 0 0;padding:22px;border:1px solid var(--v5-border);border-radius:16px;background:var(--v5-surface-2)}.engagement-panel>h2{margin:0 0 14px;font-size:1.1rem}.reaction-row{display:flex;flex-wrap:wrap;gap:8px}.reaction-btn{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--v5-border);background:var(--v5-surface);color:var(--v5-text);border-radius:999px;padding:9px 13px;cursor:pointer}.reaction-btn:hover,.reaction-btn.is-active{border-color:var(--v5-accent);box-shadow:0 0 0 2px color-mix(in srgb,var(--v5-accent) 15%,transparent)}.reaction-btn strong{font-size:.82rem;color:var(--v5-muted)}.engagement-note{color:var(--v5-muted);margin:12px 0 0}.comments{margin-top:28px}.comments-head{display:flex;align-items:center;gap:10px;border-bottom:1px solid var(--v5-border);padding-bottom:10px}.comments-head h2{margin:0}.comments-head span{background:var(--v5-surface);border:1px solid var(--v5-border);border-radius:999px;padding:2px 8px;font-size:.8rem}.comment-form{margin:16px 0 20px}.comment-form textarea{width:100%;min-height:88px;resize:vertical;border:1px solid var(--v5-border);border-radius:12px;padding:12px;background:var(--v5-surface);color:var(--v5-text);font:inherit}.comment-form>div{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:8px}.comment-form button,.comment-actions button{border:0;border-radius:9px;padding:8px 12px;background:var(--v5-accent);color:#fff;cursor:pointer}.comment-item{padding:15px 0;border-bottom:1px solid var(--v5-border)}.comment-item header{display:flex;justify-content:space-between;gap:12px;color:var(--v5-muted);font-size:.85rem}.comment-item p{margin:8px 0;white-space:pre-wrap}.comment-actions{display:flex;gap:8px}.comment-actions form{display:inline}.comment-actions button{background:var(--v5-surface);color:var(--v5-text);border:1px solid var(--v5-border)}.comments-empty{color:var(--v5-muted)}
.book-detail-shell{max-width:1120px;margin:34px auto;padding:0 18px 46px}.book-detail-card{display:grid;grid-template-columns:minmax(220px,320px) 1fr;gap:34px;padding:28px;background:var(--v5-surface);border:1px solid var(--v5-border);border-radius:20px;box-shadow:var(--v5-shadow)}.book-detail-cover img{display:block;width:100%;aspect-ratio:420/594;object-fit:cover;border-radius:12px;border:1px solid var(--v5-border)}.book-detail-main h1{font-size:clamp(2rem,4vw,3.2rem);line-height:1.08;margin:8px 0 18px}.book-detail-description{font-size:1.05rem;line-height:1.8;color:var(--v5-muted)}.book-detail-meta{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0}.book-detail-meta span{border:1px solid var(--v5-border);border-radius:999px;padding:7px 10px;background:var(--v5-surface-2)}.book-detail-actions{display:flex;gap:10px;flex-wrap:wrap}.book-detail-actions a{background:var(--v5-accent);color:#fff;text-decoration:none;padding:11px 16px;border-radius:10px}.book-detail-actions a.secondary{background:var(--v5-surface-2);color:var(--v5-text);border:1px solid var(--v5-border)}
.account-body{min-height:100vh;display:grid;place-items:center;padding:24px;background:var(--v5-bg);font-family:system-ui,-apple-system,Segoe UI,sans-serif}.account-card{width:min(100%,520px);background:var(--v5-surface);border:1px solid var(--v5-border);border-radius:20px;padding:30px;box-shadow:var(--v5-shadow)}.account-brand{font-weight:800;text-decoration:none}.account-card h1{margin:10px 0 22px}.stack-form{display:grid;gap:16px}.stack-form label,.admin-editor label,.admin-box label{display:grid;gap:7px;font-weight:600}.stack-form input,.admin-editor input,.admin-editor textarea,.admin-editor select,.admin-box input,.admin-box textarea,.admin-box select,.inline-form input{width:100%;box-sizing:border-box;border:1px solid var(--v5-border);border-radius:10px;background:var(--v5-surface);color:var(--v5-text);padding:10px 12px;font:inherit}.stack-form button,.admin-editor button,.admin-box button,.inline-form button,.admin-table-wrap button{border:0;border-radius:10px;background:var(--v5-accent);color:#fff;padding:10px 14px;font:inherit;cursor:pointer}.check{display:flex!important;grid-template-columns:auto 1fr!important;align-items:center!important;font-weight:400!important}.check input{width:auto!important}.alert{padding:12px 14px;border-radius:10px;margin:0 0 16px}.alert.success{background:color-mix(in srgb,var(--v5-success) 12%,var(--v5-surface));border:1px solid var(--v5-success)}.alert.error{background:color-mix(in srgb,var(--v5-danger) 10%,var(--v5-surface));border:1px solid var(--v5-danger)}.account-back{margin-top:22px;color:var(--v5-muted)}
.admin-body{margin:0;background:var(--v5-bg);color:var(--v5-text);font-family:system-ui,-apple-system,Segoe UI,sans-serif}.admin-top{height:62px;display:flex;align-items:center;justify-content:space-between;padding:0 22px;background:var(--v5-surface);border-bottom:1px solid var(--v5-border);position:sticky;top:0;z-index:10}.admin-top>a{font-weight:800;text-decoration:none}.admin-top nav{display:flex;gap:14px}.admin-layout{display:grid;grid-template-columns:220px minmax(0,1fr);min-height:calc(100vh - 62px)}.admin-nav{padding:20px 12px;border-right:1px solid var(--v5-border);background:var(--v5-surface);display:flex;flex-direction:column;gap:5px}.admin-nav a{padding:10px 12px;border-radius:9px;text-decoration:none;color:var(--v5-text)}.admin-nav a:hover{background:var(--v5-surface-2)}.admin-main{padding:28px;max-width:1500px;width:100%;box-sizing:border-box}.admin-main h1{margin-top:0}.admin-cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.admin-cards>div,.admin-box{background:var(--v5-surface);border:1px solid var(--v5-border);border-radius:14px;padding:18px}.admin-cards span{display:block;color:var(--v5-muted)}.admin-cards strong{display:block;font-size:2rem;margin-top:6px}.admin-table-wrap{overflow:auto;background:var(--v5-surface);border:1px solid var(--v5-border);border-radius:14px;margin:16px 0}.admin-table-wrap table{border-collapse:collapse;width:100%;min-width:760px}.admin-table-wrap th,.admin-table-wrap td{padding:11px 12px;text-align:left;border-bottom:1px solid var(--v5-border);vertical-align:top}.admin-table-wrap th{font-size:.82rem;text-transform:uppercase;letter-spacing:.04em;color:var(--v5-muted)}.admin-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.admin-box{display:grid;gap:12px}.admin-editor{display:grid;gap:16px;max-width:1100px}.admin-editor textarea[name="body"]{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;line-height:1.5}.admin-two{display:grid;grid-template-columns:1fr 1fr;gap:14px}.admin-preview{max-width:560px;max-height:300px;object-fit:cover;border:1px solid var(--v5-border);border-radius:10px}.admin-preview.book{max-width:220px;max-height:none}.admin-primary,.admin-secondary{display:inline-block;text-decoration:none;border-radius:10px;padding:10px 14px}.admin-primary{background:var(--v5-accent);color:#fff}.admin-secondary{background:var(--v5-surface-2);border:1px solid var(--v5-border);color:var(--v5-text)}.inline-form{display:flex;gap:6px;align-items:center}.inline-form input{min-width:130px}
@media(max-width:900px){.site-header-inner{flex-wrap:wrap}.site-actions{margin-left:0}.book-detail-card{grid-template-columns:1fr}.book-detail-cover{max-width:320px;margin:auto}.admin-layout{grid-template-columns:1fr}.admin-nav{position:static;flex-direction:row;overflow:auto;border-right:0;border-bottom:1px solid var(--v5-border)}.admin-main{padding:18px}.admin-cards{grid-template-columns:repeat(2,1fr)}.admin-grid{grid-template-columns:1fr}.admin-two{grid-template-columns:1fr}}
@media(max-width:560px){.site-actions{width:100%;justify-content:flex-end}.reaction-btn{padding:8px 10px}.book-detail-card{padding:18px}.admin-cards{grid-template-columns:1fr}.account-card{padding:22px}.ad-slot{width:calc(100% - 16px)}}
.books-grid-ad{grid-column:1/-1}.books-grid-ad .ad-slot{width:100%;margin:4px 0 18px;box-sizing:border-box}
/* Make the legacy public surfaces follow the v5 theme without changing their layout. */
html[data-theme="dark"] .content-page-shell,html[data-theme="dark"] .articles-shell,html[data-theme="dark"] .books-shell{background:var(--v5-bg)!important;color:var(--v5-text)!important}
html[data-theme="dark"] .content-page-card,html[data-theme="dark"] .articles-content,html[data-theme="dark"] .article-card,html[data-theme="dark"] .book-card,html[data-theme="dark"] .books-toolbar{background:var(--v5-surface)!important;color:var(--v5-text)!important;border-color:var(--v5-border)!important}
html[data-theme="dark"] .content-page-card p,html[data-theme="dark"] .content-page-card li,html[data-theme="dark"] .article-card p,html[data-theme="dark"] .book-card p{color:var(--v5-muted)!important}
html[data-theme="dark"] .books-input,html[data-theme="dark"] .books-select{background:var(--v5-surface-2)!important;color:var(--v5-text)!important;border-color:var(--v5-border)!important}
@media(prefers-color-scheme:dark){html[data-theme="system"] .content-page-shell,html[data-theme="system"] .articles-shell,html[data-theme="system"] .books-shell{background:var(--v5-bg)!important;color:var(--v5-text)!important}html[data-theme="system"] .content-page-card,html[data-theme="system"] .articles-content,html[data-theme="system"] .article-card,html[data-theme="system"] .book-card,html[data-theme="system"] .books-toolbar{background:var(--v5-surface)!important;color:var(--v5-text)!important;border-color:var(--v5-border)!important}html[data-theme="system"] .content-page-card p,html[data-theme="system"] .content-page-card li,html[data-theme="system"] .article-card p,html[data-theme="system"] .book-card p{color:var(--v5-muted)!important}html[data-theme="system"] .books-input,html[data-theme="system"] .books-select{background:var(--v5-surface-2)!important;color:var(--v5-text)!important;border-color:var(--v5-border)!important}}