:root{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}body{background:#f3f4f6;min-height:100vh;margin:0}#root{min-height:100vh}*{box-sizing:border-box;margin:0;padding:0}body{color:#1f2937;background:#f3f4f6;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.5}.app{flex-direction:column;min-height:100vh;display:flex}.app-header{z-index:10;background:#fff;border-bottom:1px solid #e5e7eb;justify-content:space-between;align-items:center;padding:12px 20px;display:flex;position:sticky;top:0}.header-title{text-align:center}.header-title h1{background:linear-gradient(135deg,#2563eb,#7c3aed);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:18px}.header-subtitle{color:#9ca3af;font-size:12px}.step-indicator{justify-content:center;align-items:center;gap:0;padding:20px;display:flex}.step{color:#9ca3af;align-items:center;gap:8px;font-size:14px;display:flex}.step.active{color:#2563eb;font-weight:600}.step.done{color:#10b981}.step-number{color:#6b7280;background:#e5e7eb;border-radius:50%;justify-content:center;align-items:center;width:28px;height:28px;font-size:13px;font-weight:700;display:flex}.step.active .step-number{color:#fff;background:#2563eb}.step.done .step-number{color:#fff;background:#10b981}.step-line{background:#e5e7eb;width:60px;height:2px;margin:0 12px}.app-main{flex:1;width:100%;max-width:900px;margin:0 auto}.app-footer{text-align:center;color:#9ca3af;border-top:1px solid #e5e7eb;margin-top:40px;padding:24px 20px;font-size:12px}.app-footer p{margin:4px 0}@media (width<=640px){.app-header{padding:10px 12px}.header-title h1{font-size:16px}.app-main{padding:0 8px}}