:root{--bg: #0b0f1c;--card: #131826;--text: #f8fafc;--muted: #94a3b8;--accent: #38bdf8;--border: rgba(148, 163, 184, .2)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial;background:radial-gradient(circle at top left,#1e293b,#0b0f1c 70%);color:var(--text);min-height:100vh}.app{max-width:1000px;margin:40px auto;padding:24px;background:#131826bf;border:1px solid var(--border);border-radius:20px;box-shadow:0 20px 60px #00000059}header{margin-bottom:24px}header h1{font-size:2rem;margin-bottom:6px}header p{color:var(--muted)}.back{display:inline-block;color:var(--accent);text-decoration:none;margin-bottom:12px;font-size:.9rem}.back:hover{text-decoration:underline}.input label{display:block;margin-bottom:8px;color:var(--muted)}textarea{width:100%;min-height:120px;border-radius:12px;border:1px solid var(--border);background:#0f172a;color:var(--text);padding:12px}.actions{display:flex;gap:12px;margin-top:12px}.panel{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px;margin-top:20px}.panel h3{margin-bottom:8px}.helper{color:var(--muted);font-size:.85rem;margin-bottom:10px}.verify-row{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:center;margin-bottom:6px}input[type=text]{width:100%;padding:10px 12px;border-radius:10px;border:1px solid var(--border);background:#0f172a;color:var(--text)}pre{background:#0f172a;border:1px solid var(--border);padding:12px;border-radius:12px;white-space:pre-wrap;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas;font-size:.9rem}.btn{border:1px solid var(--border);background:#38bdf826;color:var(--text);padding:10px 16px;border-radius:10px;cursor:pointer}.btn.primary{background:linear-gradient(135deg,#38bdf8,#22d3ee);color:#0b1220;border:none;font-weight:600}.meta{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin-top:20px}.meta-card{padding:16px;background:#0f172a;border-radius:12px;border:1px solid var(--border)}.muted{color:var(--muted);margin-top:8px}footer{text-align:center;color:var(--muted);padding:20px}footer a{color:var(--accent);text-decoration:none}footer a:hover{text-decoration:underline}