:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;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}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}#root{width:100%;min-height:100vh;text-align:left}.app-layout{display:flex;flex-wrap:wrap;align-content:flex-start;min-height:100vh}.top-nav{flex:0 0 100%;order:0;position:sticky;top:0;z-index:10;background:#fff;border-bottom:1px solid #ccc;padding:.25rem 1rem;display:flex;align-items:center;gap:1rem;min-height:2rem}.top-nav .nav-links{display:flex;gap:1rem}.top-nav .page-header{flex:1;display:flex;align-items:center;gap:.5rem;min-width:0;font-size:.95rem}.top-nav .page-title{font-weight:600;font-size:.95rem;white-space:nowrap}.top-nav .page-description{color:#666;font-size:.85rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:400px}.side-nav{flex:0 0 180px;order:1;border-right:1px solid #ccc;padding:.5rem;display:flex;flex-direction:column;gap:.25rem}.main-content{flex:1;order:2;min-width:0;padding:.25rem 1rem;max-width:900px}.top-nav a,.side-nav a{color:#646cff;text-decoration:none}.top-nav a:hover,.side-nav a:hover{text-decoration:underline}.side-nav a{padding:.25rem 0}form div{margin-bottom:1rem}form label{display:block;margin-bottom:.25rem;font-weight:500}form input,form select{padding:.4rem .6rem}input[type=number]::-webkit-inner-spin-button,input[type=number]::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}input[type=number]{-moz-appearance:textfield;appearance:textfield}form button{padding:.5rem 1rem;margin-top:.5rem;cursor:pointer}form button:disabled{opacity:.6;cursor:not-allowed}.btn-cancel{background-color:#dc3545;color:#fff;border:1px solid #dc3545}.btn-cancel:hover:not(:disabled){background-color:#c82333;border-color:#bd2130}a.btn-cancel{display:inline-block;padding:.5rem 1rem;text-decoration:none;color:#fff;border-radius:4px}a.btn-cancel:hover{background-color:#c82333;color:#fff}.btn-add{background-color:#28a745;color:#fff;border:1px solid #28a745}.btn-add:hover:not(:disabled){background-color:#218838;border-color:#1e7e34}.btn-save{background-color:#007bff;color:#fff;border:1px solid #007bff}.btn-save:hover:not(:disabled){background-color:#0069d9;border-color:#0062cc}.btn-edit{background-color:#007bff;color:#fff;border:1px solid #007bff}.btn-edit:hover:not(:disabled){background-color:#0069d9;border-color:#0062cc}.btn-delete{background-color:#dc3545;color:#fff;border:1px solid #dc3545}.btn-delete:hover:not(:disabled){background-color:#c82333;border-color:#bd2130}