@import "https://rsms.me/inter/inter.css";:root{--lu-ice:#eff5fa;--lu-sky:#00c1f0;--lu-navy:#001a29;--lu-ocean:#047ba8;--lu-cyan:#cdeefc;--lu-aqua:#e3ffff;--lu-gray:#494745;--lu-yellow:#fcc135;--lu-pink:#e73a6f}*{box-sizing:border-box}body,html,#root{color:var(--lu-navy);background:0 0;min-height:100vh;margin:0;padding:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.app{grid-template-columns:440px 1fr;align-items:start;gap:24px;max-width:1400px;margin:0 auto;padding:24px;display:grid}@media (width<=900px){.app{grid-template-columns:1fr}.panel.preview-panel{max-height:none;position:static}}.panel{background:var(--lu-ice);color:var(--lu-navy);border-radius:12px;padding:24px;overflow:hidden;box-shadow:0 4px 16px #00000026}.panel.preview-panel{max-height:calc(100vh - 48px);position:sticky;top:24px;overflow-y:auto}h1{color:var(--lu-navy);margin:0 0 4px;font-size:22px;font-weight:700}.subtitle{color:var(--lu-ocean);margin:0 0 20px;font-size:13px}h2{text-transform:uppercase;letter-spacing:.8px;color:var(--lu-ocean);margin:22px 0 10px;font-size:12px;font-weight:600}.field{flex-direction:column;margin-bottom:12px;display:flex}.field label{color:var(--lu-gray);margin-bottom:5px;font-size:12px;font-weight:500}.field input[type=text],.field input[type=email],.field input[type=url],.field input[type=tel],.field input[type=number],.field select,.field textarea{color:var(--lu-navy);background:#fff;border:1px solid #c8d4dd;border-radius:6px;padding:8px 12px;font-family:inherit;font-size:13px;transition:border-color .15s,box-shadow .15s}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--lu-sky);outline:none;box-shadow:0 0 0 3px #00c1f026}.field input[type=color]{cursor:pointer;height:36px;padding:2px}.field textarea{resize:vertical;min-height:60px}.row{gap:8px;display:flex}.row .field{flex:1}.color-row,.size-row{grid-template-columns:1fr 1fr 1fr;gap:8px;display:grid}.bg-row{grid-template-columns:auto 1fr;align-items:center;gap:12px;display:grid}.button{color:var(--lu-navy);cursor:pointer;background:#fff;border:1px solid #c8d4dd;border-radius:6px;padding:9px 16px;font-family:inherit;font-size:13px;font-weight:500;transition:all .15s;display:inline-block}.button:hover{border-color:var(--lu-sky);color:var(--lu-ocean)}.button.primary{background:var(--lu-sky);color:var(--lu-navy);border-color:var(--lu-sky);font-weight:600}.button.primary:hover{color:var(--lu-navy);background:#00a8d4;border-color:#00a8d4}.button-row{flex-wrap:wrap;gap:8px;margin-top:14px;display:flex}.repeat-item{align-items:center;gap:6px;margin-bottom:6px;display:flex}.repeat-item input,.repeat-item select{flex:1}.repeat-item button{padding:5px 10px;font-size:12px}.preview-frame{background:#fff;border:1px solid #c8d4dd;border-radius:8px;min-height:220px;padding:28px}.preview-label{color:var(--lu-ocean);text-transform:uppercase;letter-spacing:.8px;margin-bottom:8px;font-size:11px;font-weight:600}.html-output{background:var(--lu-navy);color:var(--lu-cyan);white-space:pre-wrap;word-break:break-all;border:1px solid #c8d4dd;border-radius:6px;max-height:220px;padding:14px;font-family:SF Mono,Monaco,Consolas,monospace;font-size:11px;overflow:auto}.client-tabs{gap:4px;margin-bottom:14px;display:flex}.client-tabs button{color:var(--lu-navy);cursor:pointer;background:#fff;border:1px solid #c8d4dd;border-radius:6px;flex:1;padding:10px;font-family:inherit;font-size:13px;font-weight:500;transition:all .15s}.client-tabs button.active{background:var(--lu-sky);color:var(--lu-navy);border-color:var(--lu-sky);font-weight:600}.toast{background:var(--lu-navy);color:var(--lu-sky);z-index:1000;border:1px solid var(--lu-ocean);border-radius:6px;padding:10px 18px;font-size:13px;font-weight:500;position:fixed;bottom:24px;left:50%;transform:translate(-50%);box-shadow:0 4px 14px #0000004d}.muted{color:var(--lu-gray);font-size:12px;line-height:1.5}.template-grid{grid-template-columns:1fr 1fr;gap:6px;display:grid}.template-grid button{text-align:left;color:var(--lu-navy);cursor:pointer;background:#fff;border:1px solid #c8d4dd;border-radius:6px;padding:10px;font-family:inherit;font-size:12px;font-weight:500;transition:all .15s}.template-grid button:hover{border-color:var(--lu-sky)}.template-grid button.active{background:var(--lu-cyan);border-color:var(--lu-sky);color:var(--lu-navy);font-weight:600}.bg-toggle{color:var(--lu-navy);cursor:pointer;align-items:center;gap:8px;font-size:13px;display:flex}.bg-toggle input[type=checkbox]{cursor:pointer;width:16px;height:16px;accent-color:var(--lu-sky)}