:root{--bg:#ffffff;--panel:#f3f4f4;--text:#0f1720;--muted:hwb(220 42% 50%);--accent:#0f4b70;--accent-contrast:#ffffff;--success:#16a34a;--danger:#dc2626;--glass:rgba(15,23,32,0.04);--radius:12px;--sidebar-width:300px;--transition:500ms ease;--sidebar-hover-color:#c7d6dd}:root[data-theme=dark]{--bg:#1e2225;--panel:#31343b;--text:#e6eef8;--muted:#9aa8bf;--accent:#0f4b70;--accent-contrast:#1e2225;--glass:rgba(255,255,255,0.02);--sidebar-hover-color:#56819a}*{box-sizing:border-box}#__next,body,html{height:100%}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;position:relative;transition:background-color var(--transition),color var(--transition)}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}.app-layout{display:grid;grid-template-columns:var(--sidebar-width) 1fr;grid-gap:20px;gap:20px;min-height:100vh}@media (max-width:880px){.app-layout{grid-template-columns:1fr;padding:12px}}.panel{background:var(--panel);padding:16px}.h1{font-size:1.5rem;margin:0 0 8px}.lead{color:var(--muted);margin:0 0 16px}.theme-toggle{display:inline-flex;gap:10px;align-items:center;padding:10px;border-radius:50px;background:transparent;border:1px solid rgba(255,255,255,.03)}