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rgba(255,255,255,.2);color:var(--text2);font-size:.9rem;width:32px;height:32px;display:flex;align-items:center;justify-content:center;cursor:pointer;border-radius:3px;transition:color .15s,border-color .15s;z-index:10000}.pdf-lightbox-close:hover{color:var(--text);border-color:#ffffff80}.pdf-lightbox-inner{max-width:min(90vw,860px);max-height:90vh;overflow:auto;cursor:default}.pdf-lightbox-inner canvas{display:block;width:100%;border-radius:6px;border:1px solid rgba(255,255,255,.1)}.pdf-slide-spinner{display:flex;align-items:center;justify-content:center;width:100%;aspect-ratio:4 / 5;background:var(--surface);border-radius:8px;border:1px solid rgba(255,255,255,.08);position:absolute;top:0;right:0;bottom:0;left:0}.pdf-spinner-ring{width:36px;height:36px;border:3px solid var(--border);border-top-color:var(--cyan);border-radius:50%;animation:pdf-spin .75s linear infinite}@keyframes pdf-spin{to{transform:rotate(360deg)}}@media (max-width: 640px){.post-card{padding:1.75rem 1.25rem}.art-back-btn{padding:1rem 1.25rem 0}.shell--article .content{border-left:none;border-right:none}}