.background-remover-page [hidden]{display:none!important}.background-card{max-width:960px}.background-workspace{margin-top:20px}.background-preview-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.background-preview-panel{min-width:0;padding:14px;border:1px solid var(--atd-line);border-radius:18px;background:#fff;box-shadow:0 12px 28px rgba(31,41,55,.06)}.preview-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px;color:var(--atd-ink);font-size:13px}.preview-heading button{border:0;background:none;color:var(--atd-blue);font:700 12px 'DM Sans',sans-serif;cursor:pointer}.preview-heading span{color:var(--atd-muted);font-size:12px;font-weight:700}.preview-stage{display:grid;place-items:center;position:relative;overflow:hidden;min-height:280px;border:1px solid rgba(37,99,235,.15);border-radius:14px;background:#f5f7fb}.preview-stage.checkerboard{background-color:#fff;background-image:linear-gradient(45deg,#e8edf4 25%,transparent 25%),linear-gradient(-45deg,#e8edf4 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#e8edf4 75%),linear-gradient(-45deg,transparent 75%,#e8edf4 75%);background-size:24px 24px;background-position:0 0,0 12px,12px -12px,-12px 0}.preview-stage img{display:block;max-width:100%;max-height:420px;object-fit:contain}.background-preview-panel>p{min-height:18px;margin:10px 2px 0;color:var(--atd-muted);font-size:12px}.result-placeholder{display:grid;place-items:center;gap:8px;padding:28px;text-align:center;color:var(--atd-muted)}.result-placeholder span{display:grid;place-items:center;width:46px;height:46px;border-radius:50%;color:#fff;background:linear-gradient(135deg,var(--atd-blue),var(--atd-cyan));box-shadow:0 10px 24px rgba(37,99,235,.22)}.result-placeholder p{margin:0;font-size:13px;line-height:1.5}.background-options{display:grid;grid-template-columns:1fr auto;align-items:end;gap:14px;margin:18px 0;padding:15px;border:1px solid var(--atd-line);border-radius:16px;background:rgba(37,99,235,.05)}.background-options .control-block,.colour-control{display:grid;gap:8px;color:var(--atd-ink);font-size:12px;font-weight:800}.background-options select{min-height:45px;color:var(--atd-ink);border:1px solid var(--atd-line);border-radius:12px;background:#fff;padding:10px 36px 10px 12px;font:14px 'DM Sans',sans-serif}.colour-control input{width:58px;height:45px;padding:3px;border:1px solid var(--atd-line);border-radius:12px;background:#fff;cursor:pointer}.colour-control input:disabled{cursor:not-allowed;opacity:.45}.background-download{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:13px;padding:14px 17px;border-radius:12px;color:#fff!important;background:linear-gradient(100deg,#0aa68f,#0ea5e9);box-shadow:0 12px 26px rgba(10,166,143,.2);font-weight:800;text-decoration:none}.background-download span{font-size:20px}.background-card .progress-wrap{margin-top:16px}.background-card .message{min-height:22px;margin-top:12px}.background-card .message.success{color:#087f70}.background-card .message.error{color:#c2410c}@media(max-width:720px){.background-preview-grid{grid-template-columns:1fr}.preview-stage{min-height:230px}.background-options{grid-template-columns:1fr}.colour-control input{width:100%}}