:root{--bg: #fafafa;--border: #e4e4e7;--border-hover: #d4d4d8;--text-primary: #09090b;--text-secondary: #52525b;--accent: #2563eb;--accent-hover: #1d4ed8;--accent-light: #eff6ff;--card-bg: #ffffff;--ok: #047857;--ok-bg: #ecfdf5;--err: #b91c1c;--err-bg: #fef2f2;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .03);--shadow-md: 0 4px 12px -2px rgba(9, 9, 11, .05), 0 2px 6px -1px rgba(9, 9, 11, .03);--font-sans: "Inter", system-ui, sans-serif;--font-display: "Plus Jakarta Sans", var(--font-sans);--font-mono: "JetBrains Mono", ui-monospace, monospace;--transition: all .2s cubic-bezier(.4, 0, .2, 1)}*{margin:0;padding:0;box-sizing:border-box}body{background:var(--bg);color:var(--text-primary);font-family:var(--font-sans);line-height:1.55;-webkit-font-smoothing:antialiased}.site-header{max-width:980px;margin:0 auto;padding:22px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}.back{color:var(--text-secondary);text-decoration:none;font-size:.85rem;font-weight:600;transition:var(--transition)}.back:hover{color:var(--accent)}.local-badge{display:inline-flex;align-items:center;gap:8px;background:var(--ok-bg);border:1px solid #a7f3d0;color:var(--ok);padding:6px 14px;border-radius:999px;font-size:.78rem;font-weight:600;font-family:var(--font-mono)}.local-badge .lock{font-size:.85rem}main{max-width:980px;margin:0 auto;padding:12px 24px 40px}.intro{text-align:center;margin:24px auto 36px;max-width:680px}.banner-h1{margin:0 0 18px;line-height:0}.banner-img{width:100%;max-width:720px;height:auto;border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow-md)}.intro h1{font-family:var(--font-display);font-weight:800;font-size:2.6rem;letter-spacing:-1.5px}.intro .tag{color:var(--text-secondary);font-size:1rem;margin-top:12px}.intro .tag strong{color:var(--text-primary);font-weight:600}.links{margin-top:18px;display:flex;gap:10px;justify-content:center;align-items:center}.links a{font-size:.85rem;font-weight:600;color:var(--accent);text-decoration:none;border:1px solid var(--border);background:var(--card-bg);padding:6px 14px;border-radius:8px;transition:var(--transition)}.links a:hover{border-color:var(--accent);transform:translateY(-1px)}.panel{margin-bottom:24px}.drop{background:var(--card-bg);border:1.5px dashed var(--border-hover);border-radius:16px;padding:40px 24px;text-align:center;transition:var(--transition)}.drop.over{border-color:var(--accent);background:var(--accent-light)}.drop-main{font-size:1rem}.drop code{font-family:var(--font-mono);font-size:.82rem;background:var(--bg);border:1px solid var(--border);padding:2px 7px;border-radius:6px}.link-btn{background:none;border:none;color:var(--accent);font:inherit;font-weight:600;cursor:pointer;text-decoration:underline;text-underline-offset:2px}.or{color:var(--text-secondary);font-size:.82rem;margin:18px 0 14px}.samples{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}.samples button{font-family:var(--font-mono);font-size:.8rem;font-weight:600;color:var(--text-secondary);background:var(--bg);border:1px solid var(--border);padding:8px 16px;border-radius:8px;cursor:pointer;transition:var(--transition)}.samples button:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-light)}.status{margin-top:16px;font-size:.85rem;font-family:var(--font-mono);color:var(--text-secondary);min-height:1.2em}.status.busy{color:var(--accent)}.status.ok{color:var(--ok)}.status.error{color:var(--err);background:var(--err-bg);border:1px solid #fecaca;padding:10px 14px;border-radius:8px}.meta{margin-top:16px;display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:1px;background:var(--border);border:1px solid var(--border);border-radius:10px;overflow:hidden}.meta>div{background:var(--card-bg);padding:12px 16px}.meta dt{font-size:.68rem;text-transform:uppercase;letter-spacing:.6px;color:var(--text-secondary);font-weight:700}.meta dd{font-family:var(--font-mono);font-size:.85rem;margin-top:4px;word-break:break-word}.output{background:var(--card-bg);border:1px solid var(--border);border-radius:14px;overflow:hidden;box-shadow:var(--shadow-sm)}.tabs{display:flex;align-items:center;gap:4px;padding:8px;border-bottom:1px solid var(--border);background:#fcfcfd}.tab{font:inherit;font-size:.82rem;font-weight:600;color:var(--text-secondary);background:none;border:none;padding:7px 14px;border-radius:8px;cursor:pointer;transition:var(--transition)}.tab:hover{color:var(--text-primary);background:var(--bg)}.tab[aria-selected=true]{color:var(--accent);background:var(--accent-light)}.copy{margin-left:auto;font:inherit;font-size:.78rem;font-weight:600;font-family:var(--font-mono);color:var(--text-secondary);background:var(--bg);border:1px solid var(--border);padding:6px 12px;border-radius:8px;cursor:pointer;transition:var(--transition)}.copy:hover{border-color:var(--accent);color:var(--accent)}#out{margin:0;padding:20px 22px;font-family:var(--font-mono);font-size:.82rem;line-height:1.65;white-space:pre-wrap;word-break:break-word;max-height:540px;overflow:auto;color:var(--text-primary)}#out .hint{color:var(--text-secondary);font-style:italic}.site-footer{max-width:980px;margin:0 auto;padding:28px 24px 48px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;border-top:1px solid var(--border);font-size:.8rem;color:var(--text-secondary);font-family:var(--font-mono)}.site-footer .muted{color:var(--border-hover)}@media (max-width: 600px){.intro h1{font-size:2rem}}