/* Border-radius generator */
.br-stage { display: grid; place-items: center; min-height: 300px; padding: 24px 12px; border-radius: var(--r-lg); border: 1px solid var(--line); background: var(--glass-soft); overflow: hidden; }
.br-box { max-width: 100%; background: var(--grad); box-shadow: 0 18px 40px -18px rgba(80, 70, 240, 0.7); transition: border-radius 0.12s, width 0.12s, height 0.12s; }
.br-corner { padding: 12px 14px; border-radius: var(--r); background: var(--glass-soft); border: 1px solid var(--line); }
.br-corner h4 { margin: 0 0 6px; font-size: 0.9rem; }
.dz-range { grid-template-columns: minmax(0, 1fr) auto; }
.dz-num { display: flex; align-items: center; gap: 6px; color: var(--muted); font-size: 0.82rem; font-weight: 600; }
.tool-ui .dz-num input[type='number'] { width: 76px; min-height: 36px; padding: 6px 8px; }
.br-presets { display: flex; flex-wrap: wrap; gap: 8px; }
.dz-num > span { min-width: 20px; }