.placeholder{background:repeating-linear-gradient(45deg,#f3f4f6,#f3f4f6 10px,#e5e7eb 10px,#e5e7eb 20px);border:1px dashed #cbd5e1;border-radius:8px}
.placeholder-content{padding:1rem;color:#374151}
.placeholder-default{color:#6b7280;font-style:italic}