:root{font-family:system-ui,-apple-system,sans-serif;line-height:1.5;font-weight:400;color:#1a1a1a;background-color:#f5f5f5}*{box-sizing:border-box;margin:0;padding:0}#root{min-height:100vh}body{margin:0}a{color:inherit;text-decoration:none}.app-shell{min-height:100vh;display:flex;flex-direction:column}.app-header{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:flex-start;gap:1rem;padding:.8rem 1rem;background:#ffffffeb;border-bottom:1px solid #e2e8f0;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);box-shadow:0 6px 16px #0f172a0f;min-height:64px;flex-wrap:nowrap;overflow:visible}.app-title{font-size:1.12rem;font-weight:700;letter-spacing:.02em;color:#0f172a;flex:0 0 auto;margin-right:.25rem}.app-nav{display:flex;align-items:center;gap:.45rem;flex-wrap:nowrap;overflow-x:auto;overflow-y:hidden;scrollbar-width:none;-ms-overflow-style:none;min-width:0;flex:1 1 auto;padding-bottom:2px;overflow:visible}.app-nav::-webkit-scrollbar{display:none}.app-nav-group{position:relative;flex:0 0 auto}.app-nav-group-trigger{display:inline-flex;align-items:center;gap:.42rem;padding:.46rem .78rem;border-radius:999px;border:1px solid #dbe2eb;background:#fff;color:#475569;font-size:.84rem;font-weight:700;letter-spacing:.01em;cursor:pointer;transition:all .16s ease}.app-nav-group-trigger:hover{border-color:#c4cfdd;background:#f8fafc;color:#1e293b}.app-nav-group-trigger.is-active{border-color:#1e293b;background:#0f172a;color:#fff;box-shadow:0 6px 14px #0f172a33}.app-nav-chevron{font-size:.68rem;line-height:1;opacity:.85}.app-nav-dropdown{position:absolute;top:calc(100% + 8px);left:0;min-width:200px;max-width:min(84vw,280px);background:#fff;border:1px solid #dbe2eb;border-radius:14px;box-shadow:0 18px 40px #0f172a29;padding:.35rem;display:none;z-index:40}.app-nav-dropdown.align-right{right:0;left:auto}.app-nav-dropdown.is-open{display:grid;gap:2px}.app-nav-dropdown-link{display:flex;align-items:center;padding:.5rem .72rem;border-radius:9px;font-size:.84rem;font-weight:600;color:#334155;transition:background .16s ease,color .16s ease}.app-nav-dropdown-link:hover{background:#f1f5f9;color:#0f172a}.app-nav-dropdown-link.is-active{background:#e2e8f0;color:#0f172a;font-weight:700}.app-main{padding:1.5rem 2rem 2.5rem;flex:1}@media (max-width: 960px){.app-header{padding:.65rem .75rem;gap:.6rem;min-height:58px}.app-title{font-size:1rem}.app-nav-group-trigger{padding:.42rem .7rem;font-size:.8rem}.app-nav-dropdown{position:fixed;top:56px;left:.75rem;right:.75rem;min-width:0;max-width:none}.app-nav-dropdown.align-right{right:.75rem;left:.75rem}.app-main{padding:1rem}}