@import"https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500&family=Space+Grotesk:wght@400;500;600;700&display=swap";:root{color-scheme:light;--bg: #f4f5f7;--card: #ffffff;--text: #0f1115;--muted: #5a6170;--border: #dfe3ea;--accent: #2563eb;--accent-dark: #1e4fd3;--success: #0f766e;--warning: #b45309;--danger: #b42318;--shadow: rgba(15, 17, 21, .08);--mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace}*{box-sizing:border-box}body{margin:0;font-family:Space Grotesk,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}.page{min-height:100vh;background:radial-gradient(circle at top,#eef2ff,transparent 55%)}.container{max-width:860px;margin:0 auto;padding:56px 20px 96px}.hero{margin-bottom:32px}.eyebrow{font-size:.85rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:12px}h1{font-size:clamp(2.4rem,2vw + 2rem,3.2rem);margin:0 0 12px}.subtitle{margin:0;font-size:1.05rem;color:var(--muted)}.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:28px;box-shadow:0 18px 45px var(--shadow);margin-bottom:26px}.card.light{background:#fefefe}.card-title{font-size:1.2rem;font-weight:600;margin-bottom:10px}.card-subtitle{margin:0 0 20px;color:var(--muted)}.field{margin-bottom:18px}label{display:block;font-weight:600;margin-bottom:6px}input,textarea{width:100%;border-radius:12px;border:1px solid var(--border);padding:12px 14px;font-size:.95rem;font-family:inherit;background:#fff}textarea{resize:vertical;font-family:var(--mono);font-size:.9rem}input:focus,textarea:focus{outline:2px solid rgba(37,99,235,.25);border-color:var(--accent)}.hint{margin-top:6px;font-size:.85rem;color:var(--muted)}.segmented{display:flex;flex-wrap:wrap;gap:10px}.segmented button{border:1px solid var(--border);background:#f8f9fb;color:var(--muted);padding:10px 14px;border-radius:999px;font-size:.9rem;cursor:pointer;transition:all .2s ease}.segmented button.active{background:var(--accent);border-color:var(--accent);color:#fff}.segmented button:hover{border-color:var(--accent);color:var(--accent-dark)}.primary{background:var(--accent);color:#fff;border:none;border-radius:12px;padding:12px 18px;font-size:1rem;font-weight:600;cursor:pointer;transition:background .2s ease}.primary:hover{background:var(--accent-dark)}.notice{margin-top:16px;padding:12px 14px;border-radius:12px;background:#eef2ff;color:#1e3a8a;font-size:.95rem}.notice.error{background:#fef2f2;color:var(--danger)}.result{margin-top:18px;border-radius:14px;padding:16px;border:1px solid var(--border);background:#f8fafc}.result.success{border-color:#0f766e66;background:#0f766e14}.result.warning{border-color:#b4530959;background:#b4530914}.result-title{font-weight:600;margin-bottom:8px}.result-body{display:grid;gap:8px}.result-row{display:grid;grid-template-columns:160px 1fr;gap:12px;font-size:.9rem}.result-label{color:var(--muted)}.result-value{font-family:var(--mono);word-break:break-all}.output{margin-top:18px;background:#111827;color:#f9fafb;border-radius:12px;padding:16px}.output-label{font-size:.85rem;text-transform:uppercase;letter-spacing:.12em;margin-bottom:8px;color:#9ca3af}.output-value{font-family:var(--mono);font-size:.9rem;word-break:break-all}.code-block{font-family:var(--mono);background:#111827;color:#f9fafb;padding:12px 16px;border-radius:12px;margin:16px 0;word-break:break-all}.link{color:var(--accent);font-weight:600;text-decoration:none}.link:hover{text-decoration:underline}.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}@media (max-width: 640px){.result-row{grid-template-columns:1fr}}