.sv-tool__runner-wrap{max-width:var(--max-w);margin:0 auto;padding:var(--section-y) 32px}.sv-tool__runner{max-width:720px;margin:0 auto;display:flex;flex-direction:column;gap:24px;padding:clamp(24px,3vw,40px);background:var(--bg-surface);border:1px solid var(--hairline);border-radius:var(--radius-lg);box-shadow:0 1px 2px var(--hairline-ink),0 12px 32px -16px var(--hairline-ink-strong);animation:sv-tool-runner-in var(--dur-panel) var(--ease-out) both}@keyframes sv-tool-runner-in{0%{opacity:0;transform:translateY(var(--reveal-y))}to{opacity:1;transform:none}}.sv-tool__controls{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px 24px}.sv-tool__control{display:flex;flex-direction:column;gap:8px;min-width:0}.sv-tool__control label{display:flex;align-items:baseline;gap:8px;font-family:var(--font-mono);font-weight:500;font-size:11px;text-transform:uppercase;letter-spacing:var(--tracking-wide);color:var(--text-muted)}.sv-tool__slice-value{color:var(--text-heading);font-variant-numeric:tabular-nums;text-transform:none;letter-spacing:0}.sv-tool__series-input{width:100%;min-height:44px;padding:10px 14px;background:var(--bg-surface);color:var(--text-heading);border:1px solid var(--border);border-radius:var(--radius-sm);font-size:14px;letter-spacing:-.005em;cursor:pointer;transition:border-color var(--dur-hover) var(--ease-out)}.sv-tool__series-input:hover{border-color:var(--ink)}.sv-tool__slice-input{width:100%;min-height:44px;accent-color:var(--accent);cursor:pointer}.sv-tool__preview{display:block;width:100%;max-width:512px;height:auto;margin:0 auto;background:var(--canvas-image);border:1px solid var(--hairline);border-radius:var(--radius-md)}.sv-tool__actions{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:12px}.sv-tool__download-btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:16px 26px;border:1px solid transparent;border-radius:var(--radius-pill);background:var(--cta);color:var(--cta-on);font-family:inherit;font-size:14px;font-weight:500;line-height:1;letter-spacing:-.005em;white-space:nowrap;text-decoration:none;cursor:pointer;transition:background var(--dur-hover) var(--ease-out),scale var(--dur-press) var(--ease-out)}.sv-tool__download-btn:hover{background:var(--cta-hover)}.sv-tool__download-btn:active{background:var(--cta-active);scale:var(--press-scale)}.sv-tool__download-btn:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:var(--radius-pill)}.sv-tool__download-btn:disabled{opacity:.55;cursor:not-allowed}.sv-tool__download-btn:disabled:hover{background:var(--cta)}.sv-tool__hint{margin:0;text-align:center;font-size:13px;line-height:1.55;color:var(--text-muted)}.sv-tool__loading{display:flex;align-items:center;justify-content:center;min-height:60vh;padding:var(--section-y) 32px;font-size:15px;color:var(--text-muted)}.sv-tool__loading p{margin:0}.sv-tool__error{max-width:560px;margin:0 auto;padding:20px 24px;background:var(--bg-surface);border:1px solid var(--status-danger);border-radius:var(--radius-md);color:var(--text-body);font-size:15px;line-height:1.55;text-align:center}