:root{--bg:#0f172a;--card:#111827;--muted:#94a3b8;--text:#e5e7eb;--accent:#38bdf8;--accent2:#22d3ee}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,"Helvetica Neue",Arial}
a{color:var(--accent)}
.wrap{max-width:1100px;margin:0 auto;padding:24px}
.header{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;margin-bottom:16px;border-bottom:1px solid #1f2937;padding-bottom:12px}
.title{font-size:22px;font-weight:800}
.badge{font-size:12px;border:1px solid #1f2937;border-radius:999px;padding:4px 10px;color:var(--muted)}
.stepper{display:flex;gap:10px;flex-wrap:wrap;margin:12px 0}
.step{padding:6px 10px;border:1px solid #374151;border-radius:999px;font-size:12px;background:#0b1220;color:var(--muted)}
.step.active{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#0b1220;font-weight:800}
.card{background:var(--card);border:1px solid #1f2937;border-radius:16px;padding:16px;margin-bottom:14px}
.card h2{margin:0 0 10px;font-size:16px}
label{display:block;font-size:13px;color:#cbd5e1;margin-bottom:6px}
input,select,textarea{width:100%;padding:10px 12px;border-radius:10px;border:1px solid #374151;background:#0b1220;color:var(--text);font-size:14px;outline:none}
textarea{min-height:110px;resize:vertical;line-height:1.45}
.row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.controls{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px}
.btn{background:linear-gradient(135deg,var(--accent),var(--accent2));border:none;color:#0b1220;font-weight:800;padding:10px 14px;border-radius:12px;cursor:pointer}
.btn.secondary{background:#0b1220;color:var(--text);border:1px solid #374151}
.output{white-space:pre-wrap;background:#0b1220;border:1px solid #374151;border-radius:12px;padding:14px;min-height:240px}
.small{font-size:12px;color:#94a3b8}
.hr{height:1px;background:#1f2937;margin:12px 0}
.pill{display:inline-flex;align-items:center;gap:8px;background:#0b1220;border:1px solid #374151;border-radius:999px;padding:6px 10px;font-size:12px;color:#94a3b8;margin:4px 6px 0 0}
.grid{display:grid;grid-template-columns:1fr;gap:14px}
@media(min-width:1000px){.grid{grid-template-columns:1.15fr .85fr}}
.checkbox-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
.checkbox-row label{display:flex;align-items:center;gap:6px;border:1px solid #374151;background:#0b1220;padding:6px 10px;border-radius:999px;margin:0}