html,body{color:#1f2937;-webkit-font-smoothing:antialiased;background:#f0f2f5;height:100%;margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;overflow:hidden}#root{height:100%}.app-wrapper{flex-direction:column;height:100%;display:flex}.app-header{z-index:20;background:#fff;border-bottom:1px solid #e5e7eb;flex-shrink:0;align-items:center;gap:1.5rem;height:3.25rem;padding:0 1.5rem;display:flex;box-shadow:0 1px 3px #0000000a}.app-header h1{color:#1f2937;letter-spacing:-.02em;flex-shrink:0;margin:0;font-size:1.25rem;font-weight:700}.app-nav{align-items:center;gap:.25rem;height:100%;display:flex}.nav-link{color:#6b7280;box-sizing:border-box;border-bottom:2px solid #0000;align-items:center;height:100%;padding:0 .875rem;font-size:.8125rem;font-weight:500;text-decoration:none;transition:color .15s,border-color .15s;display:inline-flex}.nav-link:hover{color:#374151}.nav-link.active{color:var(--accent,#1f2937);border-bottom-color:var(--accent,#1f2937)}.app-main{flex-direction:column;flex:1;min-height:0;display:flex}