:root{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,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;--primary: #646cff;--primary-hover: #535bf2;--bg-dark: #1a1a1a;--bg-card: #2a2a2a;--text-main: #ffffff;--text-muted: #a1a1aa;--border-color: #3f3f46}a{font-weight:500;color:var(--primary);text-decoration:inherit}a:hover{text-decoration:underline}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh;background-color:var(--bg-dark);color:var(--text-main)}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:var(--primary)}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff;--bg-dark: #f9fafb;--bg-card: #ffffff;--text-main: #213547;--text-muted: #6b7280;--border-color: #e5e7eb}a:hover{color:#747bff}button{background-color:#f9f9f9}}.layout{display:flex;width:100vw;height:100vh;overflow:hidden}.sidebar{width:260px;background:var(--bg-card);border-right:1px solid var(--border-color);display:flex;flex-direction:column;padding:1rem}.content{flex:1;overflow-y:auto;padding:2rem;background:var(--bg-dark)}.nav-item{display:flex;align-items:center;gap:.75rem;padding:.75rem 1rem;border-radius:.5rem;color:var(--text-muted);cursor:pointer;transition:all .2s;margin-bottom:.25rem}.nav-item:hover,.nav-item.active{background:#646cff1a;color:var(--primary)}.card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:1rem;padding:1.5rem;margin-bottom:1.5rem}