:root{--primary:#0f172a;--primary-light:#1e293b;--secondary:#10b981;--accent:#3b82f6;--background:#f8fafc;--foreground:#0f172a;--card:#ffffff;--border:#e2e8f0;--muted:#64748b;--sidebar-width:260px;--radius:12px;--shadow-sm:0 1px 2px 0 rgb(0 0 0/0.05);--shadow:0 4px 6px -1px rgb(0 0 0/0.1),0 2px 4px -2px rgb(0 0 0/0.1)}@media (prefers-color-scheme:dark){:root{--background:#020617;--foreground:#f8fafc;--card:#0f172a;--border:#1e293b;--muted:#94a3b8}}*{box-sizing:border-box;padding:0;margin:0}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;background-color:var(--background);color:var(--foreground);min-height:100vh;-webkit-font-smoothing:antialiased}button,input,select,textarea{font-family:inherit}a{color:inherit;text-decoration:none}.card{background:var(--card);border:1px solid var(--border);padding:1.5rem;box-shadow:var(--shadow-sm)}.btn,.card{border-radius:var(--radius)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.5rem 1rem;font-weight:500;cursor:pointer;transition:all .2s;border:1px solid transparent;gap:.5rem}.btn-primary{background:var(--primary);color:white}.btn-primary:hover{background:var(--primary-light)}.btn-outline{background:transparent;border-color:var(--border)}.btn-outline:hover{background:var(--background)}