:root{font-family:Inter,Avenir,Helvetica,Arial,sans-serif;font-size:16px;line-height:24px;font-weight:400;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-text-size-adjust:100%}body{margin:0;background-color:#f2f2f2;min-height:100vh}#root{min-height:100vh}.card{padding:2em 0}@media (max-width: 500px){.card{padding:0!important}}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}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}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}.app{max-width:1280px;margin:0 auto;padding:2rem;min-height:100vh}.header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem;padding-bottom:1rem;border-bottom:1px solid #e0e0e0}.header h1{margin:0;color:#333}.user-info{display:flex;align-items:center;gap:1rem}.user-info span{color:#666}.login-button,.logout-button{background:#0078d4;color:#fff;border:none;padding:.75rem 1.5rem;border-radius:4px;cursor:pointer;font-size:1rem;transition:background .2s}.login-button:hover,.logout-button:hover{background:#106ebe}.logout-button{background:#d83b01;padding:.5rem 1rem;font-size:.875rem}.logout-button:hover{background:#c73101}.card{padding:2em;text-align:center}.content{margin-top:2rem}.actions{margin-bottom:2rem}.actions button{background:#107c10;color:#fff;border:none;padding:.75rem 1.5rem;border-radius:4px;cursor:pointer;font-size:1rem;transition:background .2s}.actions button:hover:not(:disabled){background:#0e6e0e}.actions button:disabled{background:#ccc;cursor:not-allowed}.error{background:#fde7e9;color:#d83b01;padding:1rem;border-radius:4px;margin-bottom:2rem;border:1px solid #f4c2c2}.notes-container{margin-top:2rem}.notes-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.5rem}.note-card{background:#f8f9fa;border:1px solid #e0e0e0;border-radius:8px;padding:1.5rem;transition:box-shadow .2s}.note-card:hover{box-shadow:0 4px 12px #0000001a}.note-card h3{margin:0 0 .5rem;color:#333}.note-card p{color:#666;margin-bottom:1rem}.note-meta{display:flex;justify-content:space-between;font-size:.875rem;color:#888;margin-bottom:1rem}.tags{display:flex;flex-wrap:wrap;gap:.5rem}.tag{background:#e3f2fd;color:#1976d2;padding:.25rem .5rem;border-radius:12px;font-size:.75rem;border:1px solid #bbdefb}