.vn-reader,.vn-admin-body{--vn-ink:#253448;--vn-muted:#6d7d90;--vn-border:#e4eaf0;--vn-bg:#f4f7fa;--vn-accent:#2366a8;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--vn-ink);font-size:15px;line-height:1.6}
.vn-reader *,.vn-admin-body *{box-sizing:border-box}
.vn-reader{position:relative;display:flex;flex-direction:column;max-width:1000px;height:min(820px,calc(100dvh - 160px));min-height:390px;margin:0 auto 1.5rem;background:#fff;border:1px solid var(--vn-border);border-radius:16px;overflow:hidden;box-shadow:0 8px 36px #243c5410}
.vn-toolbar{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;flex-shrink:0;padding:16px 22px;border-bottom:1px solid var(--vn-border);background:#fff}
.vn-toolbar>div{display:flex;align-items:center;gap:12px}.vn-reader h1,.vn-admin-body h1{font-size:21px;line-height:1.3;font-weight:650;margin:0}.vn-status{font-size:12px;color:var(--vn-muted)}
.vn-toolbar>.vn-sound-controls{display:flex;gap:6px;flex-shrink:0}
.vn-control-icon{width:18px;height:18px;flex-shrink:0;color:var(--vn-muted)}.vn-button[aria-pressed=true] .vn-control-icon{color:var(--vn-accent)}.vn-button[aria-pressed=true] .vn-control-off,.vn-button[aria-pressed=false] .vn-control-on{display:none}
@media(max-width:360px){.vn-toolbar>.vn-sound-controls{width:100%}.vn-sound-controls>.vn-button{flex:1}}
.vn-button{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:38px;padding:7px 13px;border:1px solid var(--vn-border);border-radius:8px;background:#fff;color:var(--vn-ink);font:inherit;font-size:13px;cursor:pointer;white-space:nowrap;text-decoration:none;touch-action:manipulation}
.vn-button:hover{background:#edf4fb;border-color:#b6cbe1}.vn-button:focus-visible,.vn-history:focus-visible{outline:3px solid #95bcdf;outline-offset:2px}.vn-button:disabled{opacity:.55;cursor:wait}.vn-button[aria-pressed=true]{background:#edf4fb;border-color:#b6cbe1}.vn-primary{background:var(--vn-accent);color:#fff;border-color:var(--vn-accent)}.vn-primary:hover{background:#19568f;color:#fff}
.vn-reader [hidden],.vn-admin-body [hidden]{display:none!important}
.vn-feed-stage{position:relative;display:flex;flex:1 1 auto;min-height:0;overflow:hidden;isolation:isolate}
.vn-feed{flex:1 1 auto;min-width:0;min-height:0;overflow-y:auto;overscroll-behavior:contain;overflow-anchor:none;scrollbar-gutter:stable;padding:10px 24px 24px;background:var(--vn-bg)}
.vn-watermark{position:absolute;inset:0;z-index:1;pointer-events:none;user-select:none;-webkit-user-select:none;background-repeat:repeat;background-position:center;background-size:220px 120px}
.vn-image-stage{position:relative;isolation:isolate;display:grid;place-items:center;width:min(90vw,960px);height:min(78dvh,760px);min-height:0;overflow:hidden;touch-action:none;overscroll-behavior:contain;user-select:none;-webkit-user-select:none}
.vn-image-stage[data-zoomed=true]{cursor:grab}
.vn-history{display:block;min-height:38px;margin:4px auto 18px;padding:7px 15px;background:transparent;color:var(--vn-muted);border:0;cursor:pointer;font:inherit;font-size:13px}.vn-history:hover{color:var(--vn-accent);text-decoration:underline}
.vn-message{max-width:810px;margin:22px 0 28px;content-visibility:auto;contain-intrinsic-size:auto 130px}.vn-meta{display:flex;align-items:baseline;gap:12px;font-size:12px;margin:0 0 7px 2px;color:var(--vn-muted)}.vn-meta strong{font-weight:500;color:#61768d}.vn-meta time{font-variant-numeric:tabular-nums}
.vn-bubble{border:1px solid #e6ecf1;border-radius:4px 13px 13px 13px;padding:15px 19px;background:#fff;box-shadow:0 2px 4px #17324a04;overflow-wrap:anywhere;word-break:normal}
.vn-content{line-height:1.8}.vn-content p{margin:0 0 .65em}.vn-content p:last-child{margin-bottom:0}.vn-content ul,.vn-content ol{padding-left:1.4em;margin:.5em 0}.vn-content blockquote{border-left:3px solid #c6d4e2;margin:.7em 0;padding-left:.8em;color:#627085}.vn-content a{color:#2265a4;text-underline-offset:3px}.vn-content img{display:block;max-width:100%;height:auto;max-height:580px;object-fit:contain;margin:.7em 0;border-radius:6px;cursor:zoom-in}.vn-content img:only-child{margin:0}.vn-edited{display:block;font-size:11px;color:var(--vn-muted);padding:5px 2px 0}
.vn-feed-footer{flex-shrink:0;display:flex;justify-content:space-between;gap:10px;padding:10px 20px;color:var(--vn-muted);border-top:1px solid var(--vn-border);font-size:11px;background:#fff}.vn-latest{position:absolute;right:22px;bottom:58px;border:1px solid #c5d7e9;background:#fff;color:var(--vn-accent);border-radius:24px;padding:9px 17px;box-shadow:0 3px 12px #273f571a;cursor:pointer;font:inherit;font-size:13px}.vn-access,.vn-empty{padding:36px 18px;text-align:center;color:var(--vn-muted)}
.vn-image-viewer{box-sizing:border-box;border:0;border-radius:10px;padding:10px;background:#fff;max-width:95vw;max-height:95dvh;overflow:hidden}.vn-image-viewer[open]{display:flex;flex-direction:column}.vn-image-viewer img{display:block;min-width:0;min-height:0;max-width:100%;max-height:100%;object-fit:contain;transform-origin:center;will-change:transform;user-select:none;-webkit-user-select:none;-webkit-user-drag:none}.vn-image-toolbar{display:flex;align-items:center;gap:8px;flex-shrink:0;margin-bottom:8px}.vn-image-toolbar span{flex:1;font-size:12px;color:#6d7d90}.vn-image-viewer button{display:block;flex-shrink:0;border:0;background:#eff3f7;border-radius:5px;padding:8px 14px;cursor:pointer;touch-action:manipulation}.vn-image-viewer button:disabled{opacity:.45;cursor:default}.vn-image-viewer::backdrop,.vn-preview-dialog::backdrop,.vn-audit-dialog::backdrop{background:#18283988}
.vn-admin-body{margin:0;background:#f4f7fa}.vn-admin-header{max-width:1460px;margin:0 auto;padding:30px 32px 25px;display:flex;align-items:center;justify-content:space-between;gap:20px}.vn-eyebrow{font-size:10px;letter-spacing:2px;color:var(--vn-muted)}.vn-admin-header h1{margin-top:5px;font-size:26px}.vn-admin-header>span{font-size:12px;color:var(--vn-muted)}
.vn-admin-grid{max-width:1460px;margin:0 auto;padding:0 32px 40px;display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,1fr);gap:24px;align-items:start}.vn-panel{background:#fff;border:1px solid var(--vn-border);border-radius:13px;padding:24px}.vn-compose{position:sticky;top:20px}.vn-section-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:15px}.vn-section-heading h2{font-size:17px;line-height:1.4;margin:0;font-weight:650}.vn-help{font-size:12px;color:var(--vn-muted);line-height:1.7}.vn-upload-bar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:12px 0;font-size:12px;color:var(--vn-muted)}.vn-file{position:relative;overflow:hidden}.vn-file input{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%}.vn-compose-actions{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-top:20px}.vn-admin-status{min-height:24px;margin:15px 0 0;font-size:13px;color:#246595}.vn-admin-status[data-error=true]{color:#bd3333}.vn-reason{display:block;font-size:13px;margin-top:15px}.vn-reason input{display:block;width:100%;margin-top:5px;padding:10px;border:1px solid var(--vn-border);border-radius:7px;font:inherit}.vn-admin-message{padding:16px 0;border-bottom:1px solid var(--vn-border)}.vn-admin-message:last-child{border:0}.vn-admin-message .vn-meta{flex-wrap:wrap}.vn-admin-message .vn-content{font-size:14px;max-height:260px;overflow:auto;padding:12px;background:#f8fafc;border-radius:8px}.vn-admin-actions{display:flex;gap:8px;margin-top:10px}.vn-admin-actions .vn-button{min-height:32px;padding:4px 10px;font-size:12px}.vn-danger{color:#b23b3b}.vn-preview-dialog,.vn-audit-dialog{width:min(670px,calc(100vw - 24px));max-height:90dvh;overflow:auto;border:1px solid var(--vn-border);border-radius:14px;padding:24px;color:#253448;background:#fff}.vn-preview-dialog .vn-bubble{background:#f7f9fc;max-height:55dvh;overflow:auto}.vn-preview-dialog .vn-primary{width:100%;margin-top:10px}.vn-audit-entry{padding:16px 0;border-bottom:1px solid var(--vn-border);font-size:13px}.vn-audit-entry pre{white-space:pre-wrap;overflow-wrap:anywhere;font-size:11px;max-height:220px;overflow:auto;background:#f4f7fa;padding:10px}.vn-admin-body .tox-tinymce{border:1px solid var(--vn-border);border-radius:8px}
@media(max-width:900px){.vn-admin-grid{grid-template-columns:1fr}.vn-compose{position:static}.vn-admin-header,.vn-admin-grid{padding-left:16px;padding-right:16px}.vn-admin-header{align-items:flex-start}.vn-admin-header>span{max-width:130px;text-align:right}}
@media(max-width:600px){.vn-button,.vn-history,.vn-latest,.vn-admin-actions .vn-button,.vn-image-viewer button{min-height:44px}.vn-reader{height:calc(100dvh - 132px);min-height:350px;border-radius:10px;margin-bottom:12px}.vn-toolbar{padding:12px 14px;gap:8px}.vn-toolbar>div{display:block}.vn-reader h1{font-size:18px}.vn-status{font-size:11px}.vn-feed{padding:8px 12px 22px}.vn-message{margin:16px 0 23px}.vn-meta{font-size:11px;gap:8px}.vn-bubble{padding:12px 14px}.vn-content{font-size:15px}.vn-content img{max-height:480px}.vn-feed-footer{padding:8px 12px calc(8px + env(safe-area-inset-bottom));display:block;font-size:10px}.vn-latest{right:12px;bottom:50px}.vn-panel{padding:16px}.vn-compose-actions{flex-wrap:wrap}.vn-compose-actions>.vn-button{width:100%}.vn-preview-dialog,.vn-audit-dialog{padding:16px}.vn-admin-header h1{font-size:22px}}
/* Leave scrollable space above the platform's fixed bottom bar on phones. */
@media(max-width:600px){
.vn-image-viewer{width:100vw;height:100dvh;max-width:100vw;max-height:100dvh;margin:0;border-radius:0;padding:calc(10px + env(safe-area-inset-top,0px)) 10px calc(10px + env(safe-area-inset-bottom,0px))}.vn-image-stage{width:100%;height:auto;flex:1}.vn-image-toolbar span{font-size:11px}
body:not(.vn-embedded) .vn-reader{margin-bottom:calc(84px + env(safe-area-inset-bottom,0px))}
.vn-feed{padding-bottom:calc(84px + env(safe-area-inset-bottom,0px))}
.vn-embedded .vn-feed{padding-bottom:calc(22px + env(safe-area-inset-bottom,0px))}
}
@media(prefers-color-scheme:dark){html[data-bs-theme=dark] .vn-reader,body[data-bs-theme=dark] .vn-reader{--vn-ink:#dce4ed;--vn-muted:#9baabd;--vn-border:#354152;--vn-bg:#1d2734;background:#253142}html[data-bs-theme=dark] .vn-toolbar,html[data-bs-theme=dark] .vn-bubble,html[data-bs-theme=dark] .vn-feed-footer,html[data-bs-theme=dark] .vn-button,body[data-bs-theme=dark] .vn-toolbar,body[data-bs-theme=dark] .vn-bubble,body[data-bs-theme=dark] .vn-feed-footer,body[data-bs-theme=dark] .vn-button{background:#253142;color:#dce4ed}}