body{margin:0;font-family:Arial,sans-serif;background:#f6f7f9;color:#1b1b1b}a{color:inherit;text-decoration:none}.layout{display:flex;min-height:100vh}.sidebar{width:240px;background:#111827;color:#fff;padding:24px}.sidebar h1{font-size:18px;margin:0 0 16px}.nav-link{display:block;padding:10px 0;color:#e5e7eb}.nav-link.active{font-weight:700;color:#fff}.content{flex:1;padding:24px 32px}.card{background:#fff;border-radius:8px;padding:16px;box-shadow:0 1px 2px #00000014;margin-bottom:16px}.header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.button{padding:8px 12px;border-radius:6px;border:1px solid #d1d5db;background:#fff;cursor:pointer}.badge{display:inline-block;padding:4px 8px;border-radius:999px;font-size:12px;background:#e5e7eb}input,select{margin:6px 8px 6px 0;padding:6px 8px;border-radius:6px;border:1px solid #d1d5db}