:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}.app-shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.sidebar{background:#111827;color:#e5e7eb;padding:16px;display:flex;flex-direction:column;gap:12px}.sidebar .brand{font-weight:700;margin-bottom:8px}.sidebar a{color:#e5e7eb;padding:8px 10px;border-radius:6px}.sidebar a.active{background:#374151}.main{display:grid;grid-template-rows:56px 1fr}.topbar{display:flex;align-items:center;justify-content:space-between;padding:0 16px;border-bottom:1px solid rgba(255,255,255,.1)}.content{padding:20px}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}.tile{padding:16px;border:1px solid rgba(255,255,255,.15);border-radius:10px}.tile-title{opacity:.8;margin-bottom:6px}.tile-value{font-size:24px;font-weight:700}.card{padding:16px;border:1px solid rgba(255,255,255,.15);border-radius:10px}.login-page{display:grid;place-items:center;min-height:100vh}.login-page .card{width:360px;display:grid;gap:12px}.login-page label{display:grid;gap:6px}.error{color:#ef4444}