*{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--bg);color:var(--text)}button,textarea,select,input{font:inherit}.shell{width:min(980px,calc(100% - 32px));margin:0 auto;padding:48px 0}.hero{margin-bottom:28px}.eyebrow{margin:0 0 12px;color:var(--accent);font-size:.78rem;font-weight:800;text-transform:uppercase}h1{margin:0;font-size:clamp(3rem,8vw,5.8rem);line-height:.94}.hero p:last-child{max-width:640px;margin:20px 0 0;color:var(--muted);font-size:1.05rem;line-height:1.6}.tool{padding:18px;border:1px solid var(--line);border-radius:8px;background:var(--panel);box-shadow:0 24px 70px rgb(19 45 35 / 8%)}.toolbar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:14px;align-items:center}button{min-height:42px;border:0;border-radius:6px;padding:0 16px;background:var(--accent);color:#fff;font-weight:800;cursor:pointer}.secondary-button{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--accent);background:#fff;color:var(--accent-strong);min-height:42px;border-radius:6px;padding:0 16px;font-weight:800;cursor:pointer}.secondary-button:hover{background:#d6ece5}.file-load{position:relative;overflow:hidden}.file-load input[type=file]{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer}.options{display:flex;flex-wrap:wrap;gap:14px 18px;margin-bottom:14px;padding:12px 14px;border:1px solid var(--line);border-radius:6px;background:var(--bg-subtle);font-size:.92rem;color:var(--muted)}.options label{display:inline-flex;align-items:center;gap:8px}.options select{min-height:34px;border:1px solid var(--line);border-radius:5px;padding:0 8px;background:#fff;color:var(--text)}.options .checkbox-option input{width:16px;height:16px}textarea{display:block;width:100%;min-height:300px;border:1px solid var(--line);border-radius:8px;padding:14px;background:var(--bg-subtle);color:var(--text);font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.95rem;line-height:1.5;resize:vertical}textarea + textarea{margin-top:14px}.status{min-height:24px;margin-top:14px;color:var(--muted)}.status.is-error{color:var(--danger)}@media(max-width:620px){.shell{width:min(100% - 24px,680px);padding:28px 0}textarea{min-height:240px}.options{font-size:.88rem}}