:root{--bg:#020617;--panel:#0f172a;--panel-strong:#111c34;--line:#223047;--text:#e5edf7;--muted:#9aa8ba;--faint:#64748b;--accent:#818cf8;--cyan:#22d3ee;--rose:#fb7185;--shadow:0 24px 70px #0000005c}*{box-sizing:border-box}body{background:radial-gradient(circle at 18% 10%, #818cf829, transparent 34%), radial-gradient(circle at 78% 18%, #22d3ee1a, transparent 30%), var(--bg);color:var(--text);letter-spacing:0;margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,select,textarea{font:inherit}.app-shell{width:min(1180px,100% - 32px);margin:0 auto;padding:32px 0 56px}.hero-panel{border:1px solid var(--line);box-shadow:var(--shadow);background:#0f172ad1;border-radius:8px;justify-content:space-between;gap:28px;margin-bottom:20px;padding:28px;display:flex}.eyebrow{color:var(--cyan);margin:0 0 12px;font-size:13px;font-weight:750}h1,h2,p{margin-top:0}h1{letter-spacing:0;max-width:840px;margin-bottom:12px;font-size:clamp(36px,5vw,64px);line-height:.98}.hero-copy{max-width:760px;color:var(--muted);margin-bottom:0;font-size:18px;line-height:1.55}.workspace{grid-template-columns:minmax(280px,340px) 1fr;gap:20px;display:grid}.settings-card,.main-card{border:1px solid var(--line);box-shadow:var(--shadow);background:#0f172aeb;border-radius:8px}.settings-card{align-self:start;gap:22px;padding:22px;display:grid}.card-heading{align-items:flex-start;gap:12px;display:flex}.icon{width:28px;height:28px;color:var(--accent);background:#818cf826;border-radius:8px;justify-content:center;align-items:center;font-weight:850;display:inline-flex}.card-heading h2{margin-bottom:4px;font-size:18px}.card-heading p,.field small,.toggle-row small{color:var(--muted);line-height:1.45}.field{gap:9px;display:grid}.field span,.input-panel span,.output-header span{color:var(--text);text-transform:uppercase;font-size:13px;font-weight:820}select,textarea{border:1px solid var(--line);width:100%;color:var(--text);background:#070f1f;border-radius:8px;outline:none}select{min-height:44px;padding:0 12px}textarea{resize:vertical;min-height:238px;padding:16px;line-height:1.55}select:focus,textarea:focus{border-color:#818cf8cc;box-shadow:0 0 0 3px #818cf824}.toggle-row{border:1px solid var(--line);background:#070f1f;border-radius:8px;grid-template-columns:20px 1fr;align-items:flex-start;gap:12px;padding:14px;display:grid}.toggle-row input{margin-top:3px}.toggle-row span{gap:4px;display:grid}.main-card{gap:18px;padding:22px;display:grid}.input-panel{gap:10px;display:grid}.output-panel{background:#312e8126;border:1px solid #818cf847;border-radius:8px;overflow:hidden}.output-header{border-bottom:1px solid #818cf83d;justify-content:space-between;align-items:center;gap:16px;padding:16px;display:flex}.output-header p{color:var(--muted);margin:5px 0 0;font-size:13px}button{color:#c7d2fe;cursor:pointer;background:#818cf826;border:1px solid #818cf86b;border-radius:8px;min-height:40px;padding:0 16px;font-weight:780}button:hover{background:#818cf83d}pre{color:#dbeafe;white-space:pre-wrap;max-height:520px;margin:0;padding:18px;font:14px/1.62 ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;overflow:auto}@media (width<=860px){.workspace{grid-template-columns:1fr}}@media (width<=560px){.app-shell{width:min(100% - 20px,1180px);padding-top:12px}.hero-panel,.settings-card,.main-card{padding:16px}h1{font-size:36px}.output-header{flex-direction:column;align-items:stretch}}