.pbr-wrap { max-width: 960px; margin: 0 auto; box-sizing: border-box; }
.pbr-wrap *, .pbr-wrap *::before, .pbr-wrap *::after { box-sizing: border-box; }
.pbr-drop {
display: block; width: 100%; margin: 0; font-weight: normal;
border: 2px dashed #999; border-radius: 8px; padding: 40px 20px;
text-align: center; cursor: pointer; transition: border-color .15s, background .15s;
}
.pbr-drop.is-over { border-color: #222; background: rgba(0,0,0,.04); }
.pbr-drop input { display: none; }
.pbr-drop p { margin: 0 0 8px; }
.pbr-drop small { display: block; color: #666; }
.pbr-placeholder {
display: flex; align-items: center; justify-content: center; text-align: center;
min-height: 200px; border-radius: 6px; color: #444; font-size: .95rem; padding: 16px;
background-color: #eee;
background-image:
linear-gradient(45deg, #ccc 25%, transparent 25%),
linear-gradient(-45deg, #ccc 25%, transparent 25%),
linear-gradient(45deg, transparent 75%, #ccc 75%),
linear-gradient(-45deg, transparent 75%, #ccc 75%);
background-size: 20px 20px;
background-position: 0 0, 0 10px, 10px -10px, -10px 0;
}
.pbr-placeholder span { background: rgba(255,255,255,.85); padding: 8px 14px; border-radius: 6px; }
.pbr-status { margin: 16px 0; min-height: 24px; }
.pbr-status.is-error { color: #b00020; font-weight: 600; }
.pbr-progress { width: 100%; height: 8px; margin-top: 8px; }
.pbr-compare { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 16px; }
@media (max-width: 640px) { .pbr-compare { grid-template-columns: 1fr; } }
.pbr-panel h3 { margin: 0 0 8px; font-size: 1rem; }
.pbr-panel img {
width: 100%; height: auto; display: block; border-radius: 6px;
background-color: #eee;
background-image:
linear-gradient(45deg, #ccc 25%, transparent 25%),
linear-gradient(-45deg, #ccc 25%, transparent 25%),
linear-gradient(45deg, transparent 75%, #ccc 75%),
linear-gradient(-45deg, transparent 75%, #ccc 75%);
background-size: 20px 20px;
background-position: 0 0, 0 10px, 10px -10px, -10px 0;
}
.pbr-actions { margin-top: 16px; display: flex; gap: 12px; flex-wrap: wrap; }
.pbr-btn {
display: inline-block; padding: 10px 20px; border-radius: 6px; border: 0;
background: #222; color: #fff; text-decoration: none; cursor: pointer; font-size: 1rem;
}
.pbr-btn.is-secondary { background: #666; }
.pbr-btn:hover { opacity: .9; }
.pbr-hidden { display: none !important; }