.oni-tool{--p:#7c3aed;--s:#06b6d4;--a:#f59e0b;--bg:#f8fafc;--surface:#fff;--text:#172033;--muted:#64748b;--border:#d9e2ec;--ok:#15803d;--err:#dc2626;color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.5}.oni-tool *{box-sizing:border-box}.oni-shell{max-width:940px;margin:2rem auto;padding:1rem;background:var(--bg);border:1px solid var(--border);border-radius:20px;box-shadow:0 18px 50px rgba(23,32,51,.08)}.oni-header{text-align:center;padding:1rem .5rem 1.25rem}.oni-header h2{margin:.25rem 0 .5rem;font-size:clamp(1.8rem,5vw,2.7rem)}.oni-header p{max-width:680px;margin:0 auto;color:var(--muted)}.oni-kicker{color:var(--p)!important;font-size:.8rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.oni-privacy{display:flex;gap:.6rem;align-items:center;padding:.8rem 1rem;border-left:4px solid var(--s);border-radius:8px;background:rgba(6,182,212,.09)}.oni-privacy p{margin:0}.oni-card,.oni-status-card,.oni-result-card,.oni-history{margin-top:1rem;padding:1rem;background:var(--surface);border:1px solid var(--border);border-radius:15px}.oni-grid{display:grid;gap:1rem}.oni-field{display:grid;gap:.4rem}.oni-field label,.oni-field-label{font-size:.9rem;font-weight:750}.oni-field input,.oni-field select{min-height:44px;width:100%;padding:.55rem .7rem;border:1px solid var(--border);border-radius:9px;background:#fff;color:var(--text);font:inherit}.oni-field-action{align-content:end}.oni-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:.7rem;margin:1rem 0}.oni-button{min-height:44px;padding:.7rem 1rem;border:1px solid transparent;border-radius:10px;font:inherit;font-weight:750;cursor:pointer}.oni-button:disabled{opacity:.5;cursor:not-allowed}.oni-button-primary{background:var(--p);color:#fff}.oni-button-danger{background:var(--err);color:#fff}.oni-button-secondary{border-color:var(--border);background:#fff;color:var(--text)}.oni-tool button:focus-visible,.oni-tool input:focus-visible,.oni-tool select:focus-visible{outline:3px solid rgba(124,58,237,.35);outline-offset:3px}.oni-error{margin:1rem 0;padding:.9rem 1rem;border:1px solid rgba(220,38,38,.25);border-radius:10px;background:rgba(220,38,38,.07);color:var(--err)}.oni-status-card span,.oni-metric span,.oni-note-hero span{display:block;color:var(--muted);font-size:.78rem;font-weight:750;text-transform:uppercase}.oni-note-hero{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1rem;border-radius:13px;background:linear-gradient(135deg,rgba(124,58,237,.1),rgba(6,182,212,.1))}.oni-note-hero h3{margin:.2rem 0;font-size:clamp(3rem,12vw,5.5rem);line-height:1}.oni-note-hero p{margin:.2rem 0 0;color:var(--muted)}.oni-confidence{display:grid;width:82px;height:82px;place-items:center;border:7px solid var(--s);border-radius:50%;font-weight:850;background:#fff}.oni-tuner{margin:1.2rem 0;text-align:center}.oni-tuner-scale{display:flex;justify-content:space-between;color:var(--muted);font-size:.75rem}.oni-tuner-track{position:relative;height:16px;margin:.35rem 0;border-radius:999px;background:linear-gradient(90deg,rgba(220,38,38,.2),rgba(21,128,61,.24),rgba(220,38,38,.2))}.oni-tuner-needle{position:absolute;top:-8px;left:50%;width:4px;height:32px;border-radius:999px;background:var(--text);transform:translateX(-50%);transition:left .08s linear}.oni-metrics{margin-top:1rem}.oni-metric{padding:.9rem;border:1px solid var(--border);border-radius:10px}.oni-metric strong{display:block;margin-top:.25rem}.oni-level{height:18px;margin-top:1rem;overflow:hidden;border-radius:999px;background:#e5e7eb}.oni-level div{width:0;height:100%;background:linear-gradient(90deg,var(--s),var(--p));transition:width .08s linear}.oni-piano-wrap{margin-top:1.25rem}.oni-piano-wrap h4{margin:0 0 .6rem}.oni-piano{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:.25rem}.oni-key{display:grid;min-height:74px;place-items:end center;padding:.35rem;border:1px solid var(--border);border-radius:0 0 8px 8px;background:#fff;font-size:.75rem;font-weight:700}.oni-key.is-black{background:#172033;color:#fff;min-height:54px}.oni-key.is-active{outline:4px solid rgba(124,58,237,.35);background:rgba(124,58,237,.15);color:var(--text)}.oni-copy-status{min-height:1.5em;color:var(--ok);text-align:center}.oni-history-header{display:flex;align-items:center;justify-content:space-between}.oni-history h3{margin:0;font-size:1.05rem}.oni-link-button{border:0;background:transparent;color:var(--p);font:inherit;font-weight:750;cursor:pointer}.oni-history-item{display:grid;grid-template-columns:1fr auto;gap:.3rem 1rem;padding:.8rem 0;border-bottom:1px solid var(--border)}.oni-history-item small,.oni-empty{color:var(--muted)}[hidden]{display:none!important}@media(min-width:640px){.oni-shell{padding:1.5rem}.oni-grid-two{grid-template-columns:repeat(2,minmax(0,1fr))}.oni-grid-three{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(prefers-reduced-motion:reduce){.oni-tool *{transition-duration:.01ms!important}}