:root{--navy: #041c2c;--navy-2: #0a2a40;--blue: #1e417b;--green: #00843d;--text: #e8edf2;--muted: #9bb0c1;--border: rgba(255, 255, 255, .12);--card: rgba(255, 255, 255, .04);--radius: 12px}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:radial-gradient(1200px 600px at 50% -10%,var(--navy-2),var(--navy));color:var(--text);min-height:100vh;-webkit-font-smoothing:antialiased}.app{max-width:760px;margin:0 auto;padding:3rem 1.25rem 4rem}.app-header{text-align:center;margin-bottom:2rem}.app-header h1{font-size:2.25rem;font-weight:700;margin:0;letter-spacing:-.02em}.subtitle{margin:.5rem 0 0;color:var(--muted);font-size:1rem}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;margin-bottom:1.25rem;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.field{display:flex;flex-direction:column;gap:.4rem;flex:1;margin-bottom:1rem}.field:last-child{margin-bottom:0}.field-row{display:flex;gap:1rem}label{font-size:.85rem;font-weight:600;color:var(--muted)}input,select,textarea{font-family:inherit;font-size:.95rem;color:var(--text);background:#00000040;border:1px solid var(--border);border-radius:8px;padding:.7rem .85rem;outline:none;transition:border-color .15s ease,box-shadow .15s ease}input::placeholder,textarea::placeholder{color:#9bb0c18c}input:focus,select:focus,textarea:focus{border-color:var(--green);box-shadow:0 0 0 3px #00843d40}.hint{font-size:.78rem;color:var(--muted)}.btn{font-family:inherit;font-size:.95rem;font-weight:600;border-radius:8px;padding:.7rem 1.1rem;cursor:pointer;border:1px solid transparent;transition:background .15s ease,color .15s ease,border-color .15s ease,opacity .15s ease}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-primary{width:100%;margin-top:1.25rem;background:var(--green);color:#fff}.btn-primary:not(:disabled):hover{background:#00a04a}.btn-ghost{background:transparent;color:var(--green);border-color:var(--green);padding:.4rem .85rem;font-size:.85rem}.btn-ghost:not(:disabled):hover{background:var(--green);color:#fff}.output-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:.75rem}.output-label{font-size:.85rem;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}textarea#display-box{display:block;width:100%;height:50vh;resize:vertical;line-height:1.5;font-family:SFMono-Regular,Menlo,Consolas,monospace;font-size:.85rem;white-space:pre}@media (max-width: 560px){.field-row{flex-direction:column;gap:0}}