body {
            background: linear-gradient(135deg, var(--admin-primary), var(--admin-secondary));
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: 'Poppins', sans-serif;
        }
        
        .admin-login-container {
            width: 100%;
            max-width: 450px;
            background: rgba(255, 255, 255, 0.96);
            border-radius: 16px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
            backdrop-filter: blur(8px);
            padding: 2.5rem;
            animation: slideUp 0.6s ease-out;
            border: 1px solid rgba(255, 255, 255, 0.3);
        }
        
        @keyframes slideUp {
            from { opacity: 0; transform: translateY(30px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        .admin-logo {
            width: 90px;
            height: 90px;
            margin: 0 auto 1.5rem;
            display: block;
            object-fit: contain;
        }
        
        .admin-login-title {
            text-align: center;
            margin-bottom: 1rem;
            color: var(--admin-dark);
            font-weight: 700;
            font-size: 1.8rem;
            letter-spacing: -0.5px;
        }
        
        .admin-login-subtitle {
            text-align: center;
            color: #5a5c69;
            margin-bottom: 2rem;
            font-size: 1rem;
            font-weight: 400;
        }
        
        .admin-form-control {
            padding: 0.75rem 1.25rem;
            border-radius: 8px;
            border: 1px solid #d1d3e2;
            transition: all 0.3s;
            font-size: 0.95rem;
        }
        
        .admin-form-control:focus {
            border-color: var(--admin-primary);
            box-shadow: 0 0 0 0.25rem rgba(40, 167, 69, 0.25);
        }
        

        
        .btn-admin {
            background-color: var(--admin-primary);
            border: none;
            color: #ffffff;
            padding: 0.75rem;
            font-weight: 600;
            border-radius: 8px;
            transition: all 0.3s;
            letter-spacing: 0.5px;
            font-size: 1rem;
        }
        
        .btn-admin:hover {
            background-color: var(--admin-secondary);
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
        }
        
        .admin-input-icon {
            position: relative;
        }
        
        .admin-input-icon i {
            position: absolute;
            left: 15px;
            top: 50%;
            transform: translateY(-50%);
            color: #b7b9cc;
            font-size: 1rem;
        }
        
        .admin-input-icon input {
            padding-left: 45px;
        }
        
        .admin-alert {
            border-radius: 8px;
        }
        
        .admin-footer {
            text-align: center;
            margin-top: 1.5rem;
            color: #858796;
            font-size: 0.85rem;
        }
        
        .admin-footer a {
            color: var(--admin-primary);
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .admin-footer a:hover {
            color: var(--admin-secondary);
            text-decoration: underline;
        }
        
        .admin-link {
            display: block;
            text-align: center;
            margin-top: 1.5rem;
            color: var(--admin-secondary);
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .admin-link:hover {
            color: var(--accent-color);
        }
         /* Floating particles */
        .particles {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -1;
            overflow: hidden;
        }
        
        .particle {
            position: absolute;
            background: rgba(255, 255, 255, 0.6);
            border-radius: 50%;
            animation: float linear infinite;
        }
        
        @keyframes float {
            0% { transform: translateY(0) rotate(0deg); }
            100% { transform: translateY(-100vh) rotate(360deg); }
        }
        
        @media (max-width: 576px) {
            .admin-login-container {
                margin: 0 15px;
            }
            
            .login-header, .login-body {
                padding: 20px;
            }
        }
        
        /* Animation */
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        .login-container {
            animation: fadeIn 0.5s ease-out;
        }
        
        /* Shake animation */
@keyframes shake {
    0% { transform: translateX(0); }
    20% { transform: translateX(-8px); }
    40% { transform: translateX(8px); }
    60% { transform: translateX(-6px); }
    80% { transform: translateX(6px); }
    100% { transform: translateX(0); }
}

.shake {
    animation: shake 0.5s ease;
}

/* Disable button during loading */
.btn-admin.loading {
    pointer-events: none;
    opacity: 0.8;
}