*{margin:0;padding:0;box-sizing:border-box;font-family:Poppins,sans-serif}body{background-color:#f4f6f9;color:#333;line-height:1.6}a{text-decoration:none;color:inherit}.navbar{background:#fff;padding:1rem 2rem;display:flex;justify-content:space-between;align-items:center;box-shadow:0 2px 10px #0000000d;position:sticky;top:0;z-index:1000}.logo{font-size:1.5rem;font-weight:700;color:#2563eb;letter-spacing:-1px}.nav-links{display:flex;gap:20px;list-style:none;align-items:center}.nav-link{font-weight:500;color:#555;transition:color .3s}.nav-link:hover{color:#2563eb}.btn{padding:10px 20px;border-radius:8px;font-weight:600;cursor:pointer;border:none;transition:all .3s ease;font-size:.9rem}.btn-primary{background:#2563eb;color:#fff;box-shadow:0 4px 6px #2563eb33}.btn-primary:hover{background:#1d4ed8;transform:translateY(-2px)}.btn-logout{background:#ef4444;color:#fff}.btn-logout:hover{background:#dc2626}.btn-sponsor{background:#f59e0b;color:#000;width:100%;margin-top:15px}.btn-sponsor:disabled{background:#e5e7eb;color:#9ca3af;cursor:not-allowed}.container{max-width:1200px;margin:0 auto;padding:40px 20px}.header-flex{display:flex;justify-content:space-between;align-items:center;margin-bottom:30px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:30px}.card{background:#fff;border-radius:16px;padding:25px;box-shadow:0 10px 15px -3px #0000000d;transition:transform .3s ease,box-shadow .3s ease;border:1px solid #f0f0f0}.card:hover{transform:translateY(-5px);box-shadow:0 20px 25px -5px #0000001a}.card-title{font-size:1.4rem;font-weight:700;color:#1e293b;margin-bottom:10px}.card-info{font-size:.95rem;color:#64748b;margin-bottom:8px;display:flex;align-items:center;gap:8px}.badge{display:inline-block;padding:5px 12px;background:#e0f2fe;color:#0284c7;border-radius:20px;font-size:.8rem;font-weight:600;margin-top:10px}.form-container{max-width:400px;margin:60px auto;padding:40px;background:#fff;border-radius:16px;box-shadow:0 20px 25px -5px #0000001a}.input-field{width:100%;padding:12px;margin-bottom:15px;border:2px solid #e5e7eb;border-radius:8px;font-size:1rem;transition:border-color .3s}.input-field:focus{outline:none;border-color:#2563eb}@media(max-width:768px){body{font-size:14px;padding:0;margin:0}h1{font-size:1.8rem!important}h2{font-size:1.5rem!important}h3{font-size:1.2rem!important}.navbar{padding:10px 15px}table{display:block;overflow-x:auto;white-space:nowrap}}