*{box-sizing:border-box}body{margin:0;min-height:100vh;background:#101114;color:#f5f7fb;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}#app,.buyback-feat-capture{display:grid;grid-template-columns:minmax(0,1fr) 390px;gap:14px;min-height:100vh;padding:14px}.camera-shell{position:relative;overflow:hidden;min-height:calc(100vh - 28px);background:#030406;border:1px solid #2a2e37;border-radius:8px}.buyback-feat-capture video,.buyback-feat-capture canvas{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:contain}.hud{position:absolute;left:12px;top:12px;width:min(460px,calc(100% - 24px));padding:12px;border-radius:7px;background:#000000b8;color:#f5f7fb;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}#step-title{font-size:18px;font-weight:800}#issues{display:grid;gap:4px;margin:10px 0 0;padding:0;list-style:none;color:#ffd166;font-size:13px}#issues li.ok{color:#67f08b}.side-panel{display:grid;grid-template-rows:auto auto minmax(0,1fr);gap:12px;min-height:0}.controls,.details,.side-panel section{border:1px solid #2a2e37;border-radius:8px;background:#171a20}.embedded-hidden{display:none!important}.controls{display:grid;gap:10px;padding:12px}.buyback-feat-capture button{min-height:38px;border:0;border-radius:6px;background:#2f7df6;color:#fff;font-weight:800}.buyback-feat-capture button.secondary{background:#283142}.buyback-feat-capture button:disabled{cursor:not-allowed;background:#3a3f4a;color:#9aa3b5}#submit-status{color:#c8ceda;font-size:13px;line-height:1.4}.buyback-feat-capture h2{margin:0;padding:12px 12px 0;font-size:14px}.thumb-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;padding:12px}.thumb{position:relative;overflow:hidden;aspect-ratio:1;border:1px solid #343a46;border-radius:6px;background:#101319;color:#c8ceda;font-size:11px}.thumb.current{border-color:#2f7df6;box-shadow:0 0 0 2px #2f7df647}.thumb.done{border-color:#31d06c}.thumb img{display:block;width:100%;height:100%;object-fit:cover}.thumb-label{position:absolute;inset:auto 0 0;padding:4px;background:#000000b3;color:#f5f7fb;line-height:1.2}.thumb-placeholder{display:grid;place-items:center;width:100%;height:100%;padding:8px;text-align:center}.buyback-feat-capture pre{overflow:auto;max-height:260px;margin:0;padding:12px;color:#dce3f3;font-size:12px;line-height:1.45}@media (max-width: 900px){#app,.buyback-feat-capture{grid-template-columns:1fr;grid-template-rows:minmax(0,66vh) auto;min-height:100dvh;padding:8px}.camera-shell{min-height:0}.side-panel{grid-template-rows:auto auto auto}.thumb-grid{grid-template-columns:repeat(6,minmax(0,1fr))}}