:root{--bg:#fff;--panel:#f3f4f4;--text:#0f1720;--muted:#6b7280;--accent:#0f4b70;--accent-contrast:#fff;--success:#16a34a;--danger:#dc2626;--glass:#0f17200a;--radius:12px;--sidebar-width:300px;--transition:.5s ease;--sidebar-hover-color:#c7d6dd}:root[data-theme=dark]{--bg:#1e2225;--panel:#31343b;--text:#e6eef8;--muted:#9aa8bf;--accent:#0f4b70;--accent-contrast:#1e2225;--glass:#ffffff05;--sidebar-hover-color:#56819a}*{box-sizing:border-box}html,body,#__next{height:100%}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;transition:background-color var(--transition),color var(--transition);margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial;position:relative}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}.app-layout{grid-template-columns:var(--sidebar-width)1fr;gap:20px;min-height:100vh;display:grid}@media (max-width:880px){.app-layout{grid-template-columns:1fr;padding:12px}}.panel{background:var(--panel);padding:16px}.h1{margin:0 0 8px;font-size:1.5rem}.lead{color:var(--muted);margin:0 0 16px}.theme-toggle{background:0 0;border:1px solid #ffffff08;border-radius:50px;align-items:center;gap:10px;padding:10px;display:inline-flex}