.rbvf { --rbvf-ink:#272520; --rbvf-paper:#f7f5f0; display:grid; grid-template-columns:minmax(230px, 300px) minmax(0,1fr); gap:28px; align-items:start; color:var(--rbvf-ink); font:inherit; }
.rbvf * { box-sizing:border-box; }
.rbvf-controls { padding:22px; background:var(--rbvf-paper); border:1px solid #e6e1d8; }
.rbvf-controls h2 { margin:0 0 8px; font-size:1.35rem; }
.rbvf-intro { margin:0 0 20px; font-size:.95rem; line-height:1.5; }
.rbvf-dimensions label { display:block; margin:14px 0; font-size:.92rem; font-weight:600; }
.rbvf-dimensions input { min-height:42px; border:1px solid #c8c2b8; border-radius:2px; padding:8px 10px; background:#fff; color:inherit; font:inherit; }
.rbvf-dimensions { display:grid; grid-template-columns:1fr 1fr; gap:12px; }
.rbvf-dimensions label { margin-bottom:0; }
.rbvf-dimensions label div { display:flex; align-items:center; margin-top:7px; }
.rbvf-dimensions input { width:100%; min-width:0; border-radius:2px 0 0 2px; }
.rbvf-dimensions span { padding:11px 10px; background:#eeeae3; border:1px solid #c8c2b8; border-left:0; font-size:.85rem; }
.rbvf-frame-info { min-height:1.6em; margin:12px 0; font-size:.85rem; color:#615c52; }
.rbvf-reset { border:0; padding:10px 14px; background:#34312b; color:#fff; cursor:pointer; font:inherit; }
.rbvf-preview-wrap { min-width:0; padding:12px; background:#eeece8; text-align:center; }
.rbvf-canvas { display:block; width:100%; height:auto; max-height:680px; background:#e3e0d9; }
.rbvf-caption { margin:9px 2px 0; color:#68645d; font-size:.78rem; text-align:left; }
.rbvf-empty { padding:12px; background:#f7f5f0; }
@media (max-width:760px) { .rbvf { grid-template-columns:1fr; gap:16px; } .rbvf-controls { padding:18px; } .rbvf-preview-wrap { padding:8px; } }

.rbvf-dimensions input[readonly] { background:#eeece8; color:#514d46; cursor:default; }

.rbvf-upload-message { display:block; margin-top:6px; color:#9b2c24; font-size:.84rem; line-height:1.35; }
.rbvf-controls h2 { margin:0 0 10px; }
.rbvf-inner-heading { margin-top:22px !important; }
.rbvf-frame-options { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:9px; max-height:390px; overflow:auto; padding:2px; }
.rbvf-frame-option { position:relative; display:flex; min-width:0; flex-direction:column; gap:4px; padding:8px; border:1px solid #d4cfc5; background:#fff; color:inherit; cursor:pointer; font-size:.82rem; line-height:1.25; }
.rbvf-frame-option:has(input:checked) { border-color:#9d322a; box-shadow:0 0 0 1px #9d322a; }
.rbvf-frame-option input { position:absolute; top:8px; right:8px; z-index:1; margin:0; accent-color:#9d322a; }
.rbvf-frame-option img { display:block; width:100%; height:62px; object-fit:contain; background:#f7f5f0; }
.rbvf-frame-option span,.rbvf-frame-option small { display:block; overflow-wrap:anywhere; }
.rbvf-frame-option span { padding-right:18px; font-weight:600; }
.rbvf-frame-option small { color:#68645d; }
.rbvf-no-inner-option { min-height:52px; justify-content:center; }
.rbvf-preview-wrap .rbvf-dimensions { max-width:430px; margin:16px auto 0; text-align:left; }
.rbvf-final-size { margin:16px 2px 0; text-align:left; }
.rbvf-final-size > span { display:block; color:#615c52; font-size:.9rem; }
.rbvf-final-size strong { display:block; margin-top:3px; font-size:1.55rem; line-height:1.2; }
.rbvf-preview-wrap .rbvf-frame-info { text-align:left; }
.rbvf-canvas { cursor:pointer; }
.rbvf-artwork-file[hidden] { display:none !important; }
.rbvf-upload-message:empty { display:none; }
.rbvf-upload-message { text-align:left; }

.rbvf-download { margin-top:6px; border:0; padding:10px 14px; background:#34312b; color:#fff; cursor:pointer; font:inherit; }
.rbvf-download:disabled { opacity:.5; cursor:not-allowed; }